зеркало из https://github.com/mozilla/gecko-dev.git
7857 строки
184 KiB
C
7857 строки
184 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "xp.h"
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#include "lo_ele.h"
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#include "net.h"
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#include "glhist.h"
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#include "shist.h"
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#include "merrors.h"
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#include "layout.h"
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#include "laylayer.h"
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#include "layers.h"
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#define IL_CLIENT /* XXXM12N Defined by Image Library clients */
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#include "libimg.h" /* Image Library public API. */
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#include "pa_parse.h"
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#include "edt.h"
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#include "libmocha.h"
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#ifdef DOM
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#include "lm_dom.h"
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#endif
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#include "libevent.h"
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#include "laystyle.h"
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#include "hk_funcs.h"
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#include "pics.h"
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#include "xp_ncent.h"
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#include "prefetch.h"
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#include "plvector.h"
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#include "htrdf.h"
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#ifdef LAYPROBE_API
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#include "layprobe.h"
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#endif
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/* WEBFONTS are defined only in laytags.c and layout.c */
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#define WEBFONTS
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#ifdef WEBFONTS
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#include "nf.h"
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#include "Mnffbu.h"
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#endif /* WEBFONTS */
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#ifdef HTML_CERTIFICATE_SUPPORT
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#include "cert.h"
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#endif
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#include "timing.h"
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#ifndef MAX
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#define MAX(a,b) ((a) > (b) ? (a) : (b))
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#endif
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extern int MK_OUT_OF_MEMORY;
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#ifdef PROFILE
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#pragma profile on
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#endif
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#ifdef TEST_16BIT
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#define XP_WIN16
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#endif /* TEST_16BIT */
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#ifdef XP_WIN16
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#define SIZE_LIMIT 32000
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#endif /* XP_WIN16 */
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#define DEF_LINE_HEIGHT 20
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#define URL_LIST_INC 20
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#define LINE_INC 100
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typedef struct lo_StateList_struct {
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int32 doc_id;
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lo_TopState *state;
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struct lo_StateList_struct *next;
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} lo_StateList;
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static lo_StateList *StateList = NULL;
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LO_Color lo_master_colors[] = {
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{LO_DEFAULT_BG_RED, LO_DEFAULT_BG_GREEN, LO_DEFAULT_BG_BLUE},
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{LO_DEFAULT_FG_RED, LO_DEFAULT_FG_GREEN, LO_DEFAULT_FG_BLUE},
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{LO_UNVISITED_ANCHOR_RED, LO_UNVISITED_ANCHOR_GREEN,
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LO_UNVISITED_ANCHOR_BLUE},
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{LO_VISITED_ANCHOR_RED, LO_VISITED_ANCHOR_GREEN,
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LO_VISITED_ANCHOR_BLUE},
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{LO_SELECTED_ANCHOR_RED, LO_SELECTED_ANCHOR_GREEN,
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LO_SELECTED_ANCHOR_BLUE}
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};
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static char *Master_backdrop_url = NULL;
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Bool UserOverride = FALSE;
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/********** BEGIN PROTOTYPES **************/
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static void lo_process_deferred_image_info(void *closure);
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static void lo_DisplayLine(MWContext *context, lo_DocState *state, int32 line_num,
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int32 x, int32 y, uint32 w, uint32 h);
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lo_SavedEmbedListData * lo_NewDocumentEmbedListData(void);
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lo_SavedGridData * lo_NewDocumentGridData(void);
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int32 lo_calc_push_right_for_justify(lo_DocState *state, int32 *remainder);
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void lo_BodyMargins(MWContext *context, lo_DocState *state, PA_Tag *tag);
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void lo_FinishLayout_OutOfMemory(MWContext *context, lo_DocState *state);
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#ifdef MEMORY_ARENAS
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void lo_GetRecycleList(
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MWContext* context, int32 doc_id, pa_DocData* doc_data,
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LO_Element* *recycle_list, lo_arena* *old_arena);
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#else
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void lo_GetRecycleList(
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MWContext* context, int32 doc_id, pa_DocData* doc_data,
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LO_Element* *recycle_list);
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#endif /* MEMORY_ARENAS */
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intn lo_ProcessTag_OutOfMemory(MWContext* context, LO_Element* recycle_list, lo_TopState* top_state);
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static void lo_FreeTagList( TagList *tags );
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/********** END PROTOTYPES **************/
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void
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LO_SetDefaultBackdrop(char *url)
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{
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if ((url != NULL)&&(*url != '\0'))
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{
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Master_backdrop_url = XP_STRDUP(url);
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}
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else
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{
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Master_backdrop_url = NULL;
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}
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}
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void
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LO_SetUserOverride(Bool override)
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{
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UserOverride = override;
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}
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void
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LO_SetDefaultColor(intn type, uint8 red, uint8 green, uint8 blue)
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{
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LO_Color *color;
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if (type < sizeof lo_master_colors / sizeof lo_master_colors[0])
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{
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color = &lo_master_colors[type];
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color->red = red;
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color->green = green;
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color->blue = blue;
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}
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}
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Bool
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lo_InitDocLists(MWContext *context, lo_DocLists *doc_lists)
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{
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LO_AnchorData **anchor_array;
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int32 i;
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doc_lists->embed_list = NULL;
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doc_lists->embed_list_count = 0;
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#ifdef notyet /* SHACK */
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doc_lists->builtin_list = NULL;
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doc_lists->builtin_list_count = 0;
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#endif /* SHACK */
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doc_lists->applet_list = NULL;
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doc_lists->applet_list_count = 0;
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doc_lists->name_list = NULL;
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doc_lists->image_list = doc_lists->last_image = NULL;
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doc_lists->image_list_count = 0;
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doc_lists->anchor_count = 0;
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doc_lists->form_list = NULL;
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doc_lists->current_form_num = 0;
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doc_lists->url_list =
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XP_ALLOC_BLOCK(URL_LIST_INC * sizeof(LO_AnchorData *));
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if (doc_lists->url_list == NULL)
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{
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return(FALSE);
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}
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doc_lists->url_list_size = URL_LIST_INC;
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/* url_list is a Handle of (LO_AnchorData*) so the pointer is a (LO_AnchorData**) */
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XP_LOCK_BLOCK(anchor_array, LO_AnchorData **,
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doc_lists->url_list);
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for (i=0; i < URL_LIST_INC; i++)
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{
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anchor_array[i] = NULL;
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}
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XP_UNLOCK_BLOCK(doc_lists->url_list);
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doc_lists->url_list_len = 0;
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#ifdef XP_WIN16
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{
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XP_Block *ulist_array;
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doc_lists->ulist_array = XP_ALLOC_BLOCK(sizeof(XP_Block));
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if (doc_lists->ulist_array == NULL)
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{
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XP_FREE_BLOCK(doc_lists->url_list);
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return(FALSE);
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}
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XP_LOCK_BLOCK(ulist_array, XP_Block *,
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doc_lists->ulist_array);
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ulist_array[0] = doc_lists->url_list;
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XP_UNLOCK_BLOCK(doc_lists->ulist_array);
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doc_lists->ulist_array_size = 1;
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}
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#endif /* XP_WIN16 */
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return TRUE;
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}
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lo_TopState *
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lo_NewTopState(MWContext *context, char *url)
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{
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lo_TopState *top_state;
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char *name_target;
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LO_TextAttr **text_attr_hash;
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int32 i;
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lo_LayerDocState *layer_state;
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top_state = XP_NEW_ZAP(lo_TopState);
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if (top_state == NULL)
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{
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return(NULL);
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}
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#ifdef MEMORY_ARENAS
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if ( EDT_IS_EDITOR(context) ) {
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top_state->current_arena = NULL;
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}
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else
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{
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lo_InitializeMemoryArena(top_state);
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if (top_state->first_arena == NULL)
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{
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XP_DELETE(top_state);
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return(NULL);
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}
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}
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#endif /* MEMORY_ARENAS */
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top_state->tags = NULL;
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top_state->tags_end = &top_state->tags;
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top_state->insecure_images = FALSE;
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top_state->out_of_memory = FALSE;
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top_state->force_reload = NET_DONT_RELOAD;
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top_state->script_tag_count = 0;
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top_state->script_lineno = 0;
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top_state->in_script = SCRIPT_TYPE_NOT;
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top_state->default_style_script_type = SCRIPT_TYPE_CSS;
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top_state->resize_reload = FALSE;
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top_state->version = JSVERSION_UNKNOWN;
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top_state->scriptData = NULL;
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top_state->doc_state = NULL;
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#ifdef DOM
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top_state->top_node = NULL;
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top_state->current_node = NULL;
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top_state->active_node = NULL;
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top_state->style_db = NULL;
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#endif
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if (url == NULL)
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{
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top_state->url = NULL;
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}
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else
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{
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top_state->url = XP_STRDUP(url);
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}
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top_state->base_url = NULL;
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top_state->inline_stream_blocked_base_url = NULL;
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top_state->main_stream_blocked_base_url = NULL;
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top_state->base_target = NULL;
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lo_SetBaseUrl(top_state, url, FALSE);
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/*
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* This is the special named anchor we are jumping to in this
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* document, it changes the starting display position.
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*/
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name_target = NET_ParseURL(top_state->url, GET_HASH_PART);
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if ((name_target[0] != '#')||(name_target[1] == '\0'))
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{
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XP_FREE(name_target);
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top_state->name_target = NULL;
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}
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else
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{
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top_state->name_target = name_target;
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}
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top_state->element_id = 0;
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top_state->layout_blocking_element = NULL;
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top_state->current_script = NULL;
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top_state->doc_specified_bg = FALSE;
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top_state->nothing_displayed = TRUE;
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top_state->in_head = TRUE;
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top_state->in_body = FALSE;
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top_state->body_attr = 0;
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top_state->have_title = FALSE;
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top_state->scrolling_doc = FALSE;
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top_state->is_grid = FALSE;
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top_state->ignore_tag_nest_level = 0;
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top_state->ignore_layer_nest_level = 0;
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top_state->in_applet = FALSE;
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top_state->unknown_head_tag = NULL;
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top_state->the_grid = NULL;
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top_state->old_grid = NULL;
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top_state->map_list = NULL;
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top_state->current_map = NULL;
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top_state->layers = NULL;
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top_state->current_layer_num = -1; /* incremented on layer allocation */
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top_state->num_layers_allocated = 0;
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top_state->max_layer_num = 0;
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layer_state = lo_NewLayerState(context);
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if (!layer_state) {
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XP_FREE_BLOCK(top_state);
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return NULL;
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}
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if (context->compositor)
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layer_state->layer = CL_GetCompositorRoot(context->compositor);
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lo_append_to_layer_array(context, top_state, NULL, layer_state);
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lo_PushLayerState(top_state, layer_state);
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top_state->in_form = FALSE;
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top_state->savedData.FormList = NULL;
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top_state->savedData.EmbedList = NULL;
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top_state->savedData.Grid = NULL;
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top_state->savedData.OnLoad = NULL;
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top_state->savedData.OnUnload = NULL;
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top_state->savedData.OnFocus = NULL;
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top_state->savedData.OnBlur = NULL;
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top_state->savedData.OnHelp = NULL;
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top_state->savedData.OnMouseOver = NULL;
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top_state->savedData.OnMouseOut = NULL;
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top_state->savedData.OnDragDrop = NULL;
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top_state->savedData.OnMove = NULL;
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top_state->savedData.OnResize = NULL;
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top_state->embed_count = 0;
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top_state->total_bytes = 0;
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top_state->current_bytes = 0;
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top_state->layout_bytes = 0;
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top_state->script_bytes = 0;
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top_state->layout_percent = 0;
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top_state->text_attr_hash = XP_ALLOC_BLOCK(FONT_HASH_SIZE *
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sizeof(LO_TextAttr *));
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if (top_state->text_attr_hash == NULL)
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{
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XP_DELETE(top_state);
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return(NULL);
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}
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XP_LOCK_BLOCK(text_attr_hash, LO_TextAttr **,top_state->text_attr_hash);
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for (i=0; i<FONT_HASH_SIZE; i++)
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{
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text_attr_hash[i] = NULL;
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}
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XP_UNLOCK_BLOCK(top_state->text_attr_hash);
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top_state->font_face_array = NULL;
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top_state->font_face_array_len = 0;
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top_state->font_face_array_size = 0;
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if (!lo_InitDocLists(context, &top_state->doc_lists))
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{
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XP_FREE_BLOCK(top_state->text_attr_hash);
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XP_FREE_BLOCK(top_state);
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return(NULL);
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}
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/* Document layer state keeps its doc_lists in the top_state */
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if ( layer_state->doc_lists )
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{
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lo_DeleteDocLists(context, layer_state->doc_lists);
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XP_FREE( layer_state->doc_lists );
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}
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layer_state->doc_lists = &top_state->doc_lists;
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top_state->recycle_list = NULL;
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top_state->trash = NULL;
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top_state->mocha_write_stream = NULL;
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top_state->mocha_loading_applets_count = 0;
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top_state->mocha_loading_embeds_count = 0;
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top_state->mocha_has_onload = FALSE;
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top_state->mocha_has_onunload = FALSE;
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top_state->doc_data = NULL;
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for (i = 0; i < MAX_INPUT_WRITE_LEVEL; i++)
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top_state->input_write_point[i] = NULL;
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top_state->input_write_level = 0;
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top_state->tag_from_inline_stream = FALSE;
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#ifdef HTML_CERTIFICATE_SUPPORT
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top_state->cert_list = NULL;
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#endif
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top_state->style_stack = SML_StyleStack_Factory_Create();
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if(!top_state->style_stack)
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{
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XP_FREE_BLOCK(top_state->text_attr_hash);
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XP_FREE_BLOCK(top_state->doc_lists.url_list);
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XP_DELETE(top_state);
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return(NULL);
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}
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STYLESTACK_Init(top_state->style_stack, context);
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top_state->diff_state = FALSE;
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top_state->state_pushes = 0;
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top_state->state_pops = 0;
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top_state->object_stack = NULL;
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top_state->object_cache = NULL;
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top_state->tag_count = 0;
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top_state->flushing_blockage = FALSE;
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top_state->wedged_on_mocha = FALSE;
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top_state->in_cell_relayout = FALSE; /* Used for resize without reload stuff */
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top_state->metaTags = NULL;
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top_state->LAPIprobe = NULL;
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return(top_state);
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}
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/*************************************
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* Function: lo_PushStateLevel
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*
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* Description: Record that we're going one level further
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* in the state hierarchy.
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*
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* Params: Window context.
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*************************************/
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void
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lo_PushStateLevel(MWContext *context)
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{
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lo_TopState *top_state;
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top_state = lo_FetchTopState( XP_DOCID(context) );
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top_state->state_pushes++;
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/*
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* If we've pushed back to our original state level, then we
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* need to set a flag saying that we really have a new
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* state record at the original level. We know this to
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* be true as we've just added a new state record to the
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* end of the list.
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*/
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if ( top_state->state_pushes == top_state->state_pops )
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{
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top_state->diff_state = TRUE;
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}
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}
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/*************************************
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* Function: lo_PopStateLevel
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*
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* Description: Record that we've popped one level up
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* in the state hierarchy.
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*
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* Params: Window context.
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*************************************/
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void
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lo_PopStateLevel(MWContext *context)
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{
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lo_TopState *top_state;
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top_state = lo_FetchTopState( XP_DOCID(context) );
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top_state->state_pops++;
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}
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/*************************************
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* Function: lo_GetCurrentDocLists
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*
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* Description: Get the doc_lists for the
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* "current" document i.e. from the top_state
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* in the normal case, from the layer if a
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* layer is being laid out.
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*
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* Params: DocState
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*************************************/
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lo_DocLists *
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lo_GetCurrentDocLists(lo_DocState *state)
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{
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lo_LayerDocState *layer_state = lo_CurrentLayerState(state);
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return layer_state->doc_lists;
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}
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lo_DocLists *
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lo_GetDocListsById(lo_DocState *state, int32 id)
|
|
{
|
|
lo_LayerDocState *layer_state;
|
|
|
|
if (id > state->top_state->max_layer_num)
|
|
return NULL;
|
|
|
|
layer_state = state->top_state->layers[id];
|
|
if (layer_state) {
|
|
XP_ASSERT(layer_state->doc_lists);
|
|
return layer_state->doc_lists;
|
|
}
|
|
else
|
|
return NULL;
|
|
}
|
|
|
|
/*************************************
|
|
* Function: lo_NewLayout
|
|
*
|
|
* Description: This function creates and initializes a new
|
|
* layout state structure to be used for all state information
|
|
* about this document (or sub-document) during its lifetime.
|
|
*
|
|
* Params: Window context,
|
|
* the width and height of the
|
|
* window we are formatting to.
|
|
*
|
|
* Returns: A pointer to a lo_DocState structure.
|
|
* Returns a NULL on error (such as out of memory);
|
|
*************************************/
|
|
lo_DocState *
|
|
lo_NewLayout(MWContext *context, int32 width, int32 height,
|
|
int32 margin_width, int32 margin_height, lo_DocState* clone_state )
|
|
{
|
|
lo_DocLists *doc_lists;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
#ifdef XP_WIN16
|
|
int32 i;
|
|
PA_Block *sblock_array;
|
|
#endif /* XP_WIN16 */
|
|
int32 doc_id;
|
|
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if (top_state == NULL)
|
|
{
|
|
return(NULL);
|
|
}
|
|
|
|
state = XP_NEW_ZAP(lo_DocState);
|
|
if (state == NULL)
|
|
{
|
|
top_state->out_of_memory = TRUE;
|
|
return(NULL);
|
|
}
|
|
state->top_state = top_state;
|
|
|
|
state->subdoc_tags = NULL;
|
|
state->subdoc_tags_end = NULL;
|
|
|
|
if (top_state->doc_state)
|
|
doc_lists = lo_GetCurrentDocLists(top_state->doc_state);
|
|
else
|
|
doc_lists = lo_GetCurrentDocLists(state);
|
|
|
|
if (!lo_InitDocState(state, context,
|
|
width, height, margin_width, margin_height,
|
|
clone_state, doc_lists, PR_FALSE))
|
|
{
|
|
top_state->out_of_memory = TRUE;
|
|
XP_FREE(state);
|
|
return NULL;
|
|
}
|
|
return state;
|
|
}
|
|
|
|
|
|
lo_DocState *
|
|
lo_InitDocState(lo_DocState *state, MWContext *context,
|
|
int32 width, int32 height,
|
|
int32 margin_width, int32 margin_height,
|
|
lo_DocState* clone_state,
|
|
lo_DocLists *doc_lists,
|
|
PRBool is_for_new_layer)
|
|
{
|
|
lo_TopState *top_state = state->top_state;
|
|
|
|
/*
|
|
* Set colors early so default text is correct.
|
|
*/
|
|
|
|
if( clone_state == NULL ){
|
|
state->text_fg.red = lo_master_colors[LO_COLOR_FG].red;
|
|
state->text_fg.green = lo_master_colors[LO_COLOR_FG].green;
|
|
state->text_fg.blue = lo_master_colors[LO_COLOR_FG].blue;
|
|
|
|
state->text_bg.red = lo_master_colors[LO_COLOR_BG].red;
|
|
state->text_bg.green = lo_master_colors[LO_COLOR_BG].green;
|
|
state->text_bg.blue = lo_master_colors[LO_COLOR_BG].blue;
|
|
|
|
state->anchor_color.red = lo_master_colors[LO_COLOR_LINK].red;
|
|
state->anchor_color.green = lo_master_colors[LO_COLOR_LINK].green;
|
|
state->anchor_color.blue = lo_master_colors[LO_COLOR_LINK].blue;
|
|
|
|
state->visited_anchor_color.red = lo_master_colors[LO_COLOR_VLINK].red;
|
|
state->visited_anchor_color.green = lo_master_colors[LO_COLOR_VLINK].green;
|
|
state->visited_anchor_color.blue = lo_master_colors[LO_COLOR_VLINK].blue;
|
|
|
|
state->active_anchor_color.red = lo_master_colors[LO_COLOR_ALINK].red;
|
|
state->active_anchor_color.green = lo_master_colors[LO_COLOR_ALINK].green;
|
|
state->active_anchor_color.blue = lo_master_colors[LO_COLOR_ALINK].blue;
|
|
}
|
|
else
|
|
{
|
|
state->text_fg.red = clone_state->text_fg.red;
|
|
state->text_fg.green = clone_state->text_fg.green;
|
|
state->text_fg.blue = clone_state->text_fg.blue;
|
|
|
|
state->text_bg.red = clone_state->text_bg.red;
|
|
state->text_bg.green = clone_state->text_bg.green;
|
|
state->text_bg.blue = clone_state->text_bg.blue;
|
|
|
|
state->anchor_color.red = clone_state->anchor_color.red;
|
|
state->anchor_color.green = clone_state->anchor_color.green;
|
|
state->anchor_color.blue = clone_state->anchor_color.blue;
|
|
|
|
state->visited_anchor_color.red = clone_state->visited_anchor_color.red;
|
|
state->visited_anchor_color.green = clone_state->visited_anchor_color.green;
|
|
state->visited_anchor_color.blue = clone_state->visited_anchor_color.blue;
|
|
|
|
state->active_anchor_color.red = clone_state->active_anchor_color.red;
|
|
state->active_anchor_color.green = clone_state->active_anchor_color.green;
|
|
state->active_anchor_color.blue = clone_state->active_anchor_color.blue;
|
|
}
|
|
|
|
state->win_top = margin_height;
|
|
state->win_bottom = margin_height;
|
|
state->win_width = width;
|
|
state->win_height = height;
|
|
|
|
state->base_x = 0;
|
|
state->base_y = 0;
|
|
state->x = 0;
|
|
state->y = 0;
|
|
state->width = 0;
|
|
|
|
/* Layers don't use the line array, and resetting the line_num while laying out
|
|
a layer causes display bugs when displaying the _BODY layer. */
|
|
if (!is_for_new_layer)
|
|
state->line_num = 1;
|
|
|
|
state->win_left = margin_width;
|
|
state->win_right = margin_width;
|
|
|
|
state->max_width = state->win_left + state->win_right;
|
|
state->max_height = state->win_top + state->win_bottom;
|
|
|
|
state->x = state->win_left;
|
|
state->y = state->win_top;
|
|
|
|
state->left_margin = state->win_left;
|
|
state->right_margin = state->win_width - state->win_right;
|
|
state->left_margin_stack = NULL;
|
|
state->right_margin_stack = NULL;
|
|
|
|
state->break_holder = state->x;
|
|
state->min_width = 0;
|
|
state->text_divert = P_UNKNOWN;
|
|
state->linefeed_state = 2;
|
|
state->delay_align = FALSE;
|
|
state->breakable = TRUE;
|
|
state->allow_amp_escapes = TRUE;
|
|
state->preformatted = PRE_TEXT_NO;
|
|
state->preformat_cols = 0;
|
|
|
|
state->in_paragraph = FALSE;
|
|
|
|
state->display_blocked = FALSE;
|
|
state->display_blocking_element_id = 0;
|
|
state->display_blocking_element_y = 0;
|
|
|
|
state->line_list = NULL;
|
|
state->end_last_line = NULL;
|
|
state->float_list = NULL;
|
|
|
|
/* Don't bother creating a line array for a layer. Layers don't use them. */
|
|
if (!is_for_new_layer) {
|
|
LO_Element **line_array;
|
|
|
|
state->line_array = XP_ALLOC_BLOCK(LINE_INC * sizeof(LO_Element *));
|
|
if (state->line_array == NULL)
|
|
{
|
|
return(NULL);
|
|
}
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
line_array[0] = NULL;
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
state->line_array_size = LINE_INC;
|
|
|
|
#ifdef XP_WIN16
|
|
{
|
|
XP_Block *larray_array;
|
|
|
|
state->larray_array = XP_ALLOC_BLOCK(sizeof(XP_Block));
|
|
if (state->larray_array == NULL)
|
|
{
|
|
XP_FREE_BLOCK(state->line_array);
|
|
XP_DELETE(state);
|
|
return(NULL);
|
|
}
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *, state->larray_array);
|
|
larray_array[0] = state->line_array;
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
state->larray_array_size = 1;
|
|
}
|
|
#endif /* XP_WIN16 */
|
|
}
|
|
|
|
/* XXX - No font information is reset upon entering a layer, nor
|
|
is it restored when the layer ends. Is this the right thing to do ? */
|
|
if (!is_for_new_layer || !state->font_stack) {
|
|
state->base_font_size = DEFAULT_BASE_FONT_SIZE;
|
|
state->font_stack = lo_DefaultFont(state, context);
|
|
if (state->font_stack == NULL)
|
|
{
|
|
XP_FREE_BLOCK(state->line_array);
|
|
#ifdef XP_WIN16
|
|
XP_FREE_BLOCK(state->larray_array);
|
|
#endif /* XP_WIN16 */
|
|
return(NULL);
|
|
}
|
|
state->font_stack->text_attr->size = state->base_font_size;
|
|
|
|
state->text_info.max_width = 0;
|
|
state->text_info.ascent = 0;
|
|
state->text_info.descent = 0;
|
|
state->text_info.lbearing = 0;
|
|
state->text_info.rbearing = 0;
|
|
}
|
|
|
|
state->align_stack = NULL;
|
|
state->line_height_stack = NULL;
|
|
|
|
state->list_stack = lo_DefaultList(state);
|
|
if (state->list_stack == NULL)
|
|
{
|
|
XP_FREE_BLOCK(state->line_array);
|
|
#ifdef XP_WIN16
|
|
XP_FREE_BLOCK(state->larray_array);
|
|
#endif /* XP_WIN16 */
|
|
XP_DELETE(state->font_stack);
|
|
return(NULL);
|
|
}
|
|
|
|
/*
|
|
* To initialize the default line height, we need to
|
|
* jump through hoops here to get the front end
|
|
* to tell us the default fonts line height.
|
|
*/
|
|
{
|
|
LO_TextStruct tmp_text;
|
|
unsigned char str[1];
|
|
|
|
memset (&tmp_text, 0, sizeof (tmp_text));
|
|
str[0] = ' ';
|
|
tmp_text.text = (PA_Block)str;
|
|
tmp_text.text_len = 1;
|
|
#ifdef DOM
|
|
tmp_text.text_attr = lo_GetCurrentTextAttr(state, context);
|
|
#else
|
|
tmp_text.text_attr = state->font_stack->text_attr;
|
|
#endif
|
|
FE_GetTextInfo(context, &tmp_text, &(state->text_info));
|
|
|
|
state->default_line_height = state->text_info.ascent +
|
|
state->text_info.descent;
|
|
}
|
|
if (state->default_line_height <= 0)
|
|
{
|
|
state->default_line_height = FEUNITS_Y(DEF_LINE_HEIGHT,context);
|
|
}
|
|
|
|
state->line_buf_size = 0;
|
|
state->line_buf = PA_ALLOC(LINE_BUF_INC * sizeof(char));
|
|
if (state->line_buf == NULL)
|
|
{
|
|
XP_FREE_BLOCK(state->line_array);
|
|
#ifdef XP_WIN16
|
|
XP_FREE_BLOCK(state->larray_array);
|
|
#endif /* XP_WIN16 */
|
|
XP_DELETE(state->font_stack);
|
|
return(NULL);
|
|
}
|
|
state->line_buf_size = LINE_BUF_INC;
|
|
state->line_buf_len = 0;
|
|
|
|
state->baseline = 0;
|
|
state->line_height = 0;
|
|
state->break_pos = -1;
|
|
state->break_width = 0;
|
|
state->last_char_CR = FALSE;
|
|
state->trailing_space = FALSE;
|
|
state->at_begin_line = TRUE;
|
|
state->hide_content = FALSE;
|
|
|
|
state->old_break = NULL;
|
|
state->old_break_block = NULL;
|
|
state->old_break_pos = -1;
|
|
state->old_break_width = 0;
|
|
|
|
state->current_named_anchor = NULL;
|
|
state->current_anchor = NULL;
|
|
|
|
state->cur_ele_type = LO_NONE;
|
|
state->current_ele = NULL;
|
|
state->current_java = NULL;
|
|
|
|
state->current_table = NULL;
|
|
state->current_grid = NULL;
|
|
state->current_multicol = NULL;
|
|
|
|
if (!is_for_new_layer)
|
|
state->layer_nest_level = 0;
|
|
|
|
/*
|
|
* These values are saved into the (sub)doc here
|
|
* so that if it gets Relayout() later, we know where
|
|
* to reset the from counts to.
|
|
*/
|
|
if (doc_lists->form_list != NULL)
|
|
{
|
|
lo_FormData *form_list;
|
|
|
|
form_list = doc_lists->form_list;
|
|
state->form_ele_cnt = form_list->form_ele_cnt;
|
|
state->form_id = form_list->id;
|
|
}
|
|
else
|
|
{
|
|
state->form_ele_cnt = 0;
|
|
state->form_id = 0;
|
|
}
|
|
state->start_in_form = top_state->in_form;
|
|
if (top_state->savedData.FormList != NULL)
|
|
{
|
|
lo_SavedFormListData *all_form_ele;
|
|
|
|
all_form_ele = top_state->savedData.FormList;
|
|
state->form_data_index = all_form_ele->data_index;
|
|
}
|
|
else
|
|
{
|
|
state->form_data_index = 0;
|
|
}
|
|
|
|
/*
|
|
* Remember number of embeds we had before beginning this
|
|
* (sub)doc. This information is used in laytable.c so
|
|
* it can preserve embed indices across a relayout.
|
|
*/
|
|
state->embed_count_base = top_state->embed_count;
|
|
|
|
/*
|
|
* Ditto for anchors, images, applets and embeds
|
|
*/
|
|
state->url_count_base = doc_lists->url_list_len;
|
|
state->image_list_count_base = doc_lists->image_list_count;
|
|
state->applet_list_count_base = doc_lists->applet_list_count;
|
|
state->embed_list_count_base = doc_lists->embed_list_count;
|
|
if (!is_for_new_layer) {
|
|
state->current_layer_num_base = top_state->current_layer_num;
|
|
state->current_layer_num_max = top_state->current_layer_num;
|
|
}
|
|
|
|
state->must_relayout_subdoc = FALSE;
|
|
state->allow_percent_width = TRUE;
|
|
state->allow_percent_height = TRUE;
|
|
state->is_a_subdoc = SUBDOC_NOT;
|
|
state->current_subdoc = 0;
|
|
state->sub_documents = NULL;
|
|
state->sub_state = NULL;
|
|
|
|
state->current_cell = NULL;
|
|
|
|
if (!is_for_new_layer) {
|
|
state->extending_start = FALSE;
|
|
state->selection_start = NULL;
|
|
state->selection_start_pos = 0;
|
|
state->selection_end = NULL;
|
|
state->selection_end_pos = 0;
|
|
state->selection_new = NULL;
|
|
state->selection_new_pos = 0;
|
|
state->selection_layer = NULL;
|
|
}
|
|
|
|
#ifdef EDITOR
|
|
state->edit_force_offset = FALSE;
|
|
state->edit_current_element = 0;
|
|
state->edit_current_offset = 0;
|
|
state->edit_relayout_display_blocked = FALSE;
|
|
#endif
|
|
state->in_relayout = FALSE;
|
|
state->tab_stop = DEF_TAB_WIDTH;
|
|
state->beginning_tag_count = top_state->tag_count;
|
|
|
|
state->cur_text_block = NULL;
|
|
state->need_min_width = FALSE;
|
|
|
|
return(state);
|
|
}
|
|
|
|
void LO_SetBackgroundImage( MWContext *context, char *pUrl )
|
|
{
|
|
lo_TopState* top_state;
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
top_state = lo_FetchTopState(XP_DOCID(context));
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
if (!top_state->doc_layer)
|
|
return;
|
|
|
|
top_state->doc_specified_bg = TRUE;
|
|
|
|
LO_SetLayerBackdropURL(top_state->doc_layer, pUrl);
|
|
}
|
|
|
|
static void
|
|
lo_load_user_backdrop(MWContext *context, lo_DocState *state)
|
|
{
|
|
LO_SetBackgroundImage( context, Master_backdrop_url );
|
|
}
|
|
|
|
void
|
|
LO_SetDocBgColor(MWContext *context, LO_Color *rgb)
|
|
{
|
|
lo_TopState* top_state;
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
top_state = lo_FetchTopState(XP_DOCID(context));
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!top_state->doc_layer)
|
|
return;
|
|
|
|
#ifdef XP_MAC
|
|
/* This allows the front end to set a background color for
|
|
this context only. Without this call, the color will
|
|
still be the one from the global table */
|
|
FE_GetDefaultBackgroundColor(context, rgb);
|
|
#endif
|
|
if (context->compositor)
|
|
LO_SetLayerBgColor(top_state->doc_layer, rgb);
|
|
}
|
|
|
|
int32
|
|
lo_calc_push_right_for_justify(lo_DocState *state, int32 *remainder)
|
|
{
|
|
int32 count = -1; /* start at -1 */
|
|
int32 push_right;
|
|
LO_Element *tptr;
|
|
LO_Element *last=NULL;
|
|
|
|
tptr = state->line_list;
|
|
|
|
push_right = state->right_margin - state->x;
|
|
|
|
if(push_right > (state->right_margin - state->left_margin)/4)
|
|
{
|
|
return 0; /* don't do justify if it's too large */
|
|
}
|
|
|
|
while (tptr != NULL)
|
|
{
|
|
if(tptr->type == LO_TEXT
|
|
&& tptr->lo_text.text)
|
|
count++;
|
|
last = tptr;
|
|
tptr = tptr->lo_any.next;
|
|
}
|
|
|
|
/* if the last element is a space character then
|
|
* this must be the last line of a paragraph.
|
|
* don't justify.
|
|
*/
|
|
if(last->type == LO_TEXT
|
|
&& (*last).lo_text.text
|
|
&& !XP_STRCMP((char*)last->lo_text.text, " "))
|
|
return 0;
|
|
|
|
/* the push_right is the number of pixels to add to
|
|
* each space
|
|
*/
|
|
|
|
if(count > 0)
|
|
{
|
|
*remainder = push_right % count;
|
|
return push_right/count;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#if 0
|
|
PRIVATE void
|
|
lo_add_to_y_for_all_elements_in_line(lo_DocState *state, int32 y_add)
|
|
{
|
|
LO_Element *tptr;
|
|
|
|
if(!state)
|
|
return;
|
|
|
|
tptr = state->line_list;
|
|
|
|
while (tptr != NULL)
|
|
{
|
|
tptr->lo_any.y_offset += y_add;
|
|
|
|
if (tptr->type == LO_CELL)
|
|
{
|
|
lo_ShiftCell((LO_CellStruct *)tptr, 0, y_add);
|
|
}
|
|
tptr = tptr->lo_any.next;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void
|
|
lo_use_default_doc_background(MWContext *context, lo_DocState *state)
|
|
{
|
|
lo_TopState *top_state = state->top_state;
|
|
if (top_state->doc_specified_bg == FALSE) {
|
|
if ((Master_backdrop_url != NULL) &&
|
|
(UserOverride == FALSE || context->type == MWContextDialog)) {
|
|
lo_load_user_backdrop(context, state);
|
|
} else {
|
|
/* Force an opaque solid background. */
|
|
LO_SetDocBgColor(context, &state->text_bg);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*************************************
|
|
* Function: lo_FlushLineList
|
|
*
|
|
* Description: This function adds a linefeed element to the end
|
|
* of the current line, and now that the line is done, it asks
|
|
* the front end to display the line. This function is only
|
|
* called by a hard linebreak.
|
|
*
|
|
* Params: Window context, document state, and flag for whether this is
|
|
* a breaking linefeed of not. A breaking linefeed is one inserted
|
|
* just to break a text flow to the current window width.
|
|
*
|
|
* Returns: Nothing
|
|
*************************************/
|
|
void
|
|
lo_FlushLineList(MWContext *context, lo_DocState *state, uint32 break_type, uint32 clear_type, Bool breaking)
|
|
{
|
|
|
|
LO_LinefeedStruct *linefeed;
|
|
|
|
lo_UpdateStateWhileFlushingLine( context, state );
|
|
|
|
#if 0
|
|
/* apply line-height stack mods (if exists) */
|
|
if(state->line_height_stack && state->end_last_line)
|
|
{
|
|
LO_LinefeedStruct *linefeed = (LO_LinefeedStruct*)state->end_last_line;
|
|
int32 cur_line_height;
|
|
int32 new_line_height;
|
|
int32 line_height_diff;
|
|
|
|
if(state->line_height == 0)
|
|
{
|
|
int32 new_height = state->text_info.ascent +
|
|
state->text_info.descent;
|
|
int32 new_baseline = state->text_info.ascent;
|
|
|
|
if ((new_height <= 0)&&(state->font_stack != NULL)&&
|
|
(state->font_stack->text_attr != NULL))
|
|
{
|
|
lo_fillin_text_info(context, state);
|
|
|
|
new_height = state->text_info.ascent + state->text_info.descent;
|
|
new_baseline = state->text_info.ascent;
|
|
|
|
}
|
|
|
|
if(new_height <= 0)
|
|
{
|
|
new_height = state->default_line_height;
|
|
new_baseline = state->default_line_height;
|
|
}
|
|
|
|
state->line_height = new_height;
|
|
state->baseline = new_baseline;
|
|
}
|
|
|
|
cur_line_height = (state->y + state->baseline) -
|
|
(linefeed->y + linefeed->baseline);
|
|
|
|
new_line_height = state->line_height_stack->height;
|
|
line_height_diff = new_line_height - cur_line_height;
|
|
|
|
/* only allow increasing line heights
|
|
* explicitly disallow negative diffs
|
|
*/
|
|
if(line_height_diff > 0)
|
|
{
|
|
lo_add_to_y_for_all_elements_in_line(state, line_height_diff);
|
|
|
|
state->baseline += line_height_diff;
|
|
state->line_height += line_height_diff;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Tack a linefeed element on to the end of the line list.
|
|
* Take advantage of this necessary pass thorugh the line's
|
|
* elements to set the line_height field in all
|
|
* elements, and to look and see if we have reached a
|
|
* possibly display blocking element.
|
|
*/
|
|
linefeed = lo_NewLinefeed(state, context, break_type, clear_type);
|
|
|
|
if (linefeed != NULL)
|
|
{
|
|
lo_AppendLineFeed( context, state, linefeed, breaking, TRUE );
|
|
}
|
|
else
|
|
{
|
|
return; /* ALEKS OUT OF MEMORY RETURN */
|
|
}
|
|
|
|
/*
|
|
* Nothing to flush
|
|
*/
|
|
if (state->line_list == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
lo_UpdateStateAfterFlushingLine( context, state, linefeed, FALSE );
|
|
}
|
|
|
|
|
|
/*************************************
|
|
* Function: lo_CleanTextWhitespace
|
|
*
|
|
* Description: Utility function to pass through a line an clean up
|
|
* all its whitespace. Compress multiple whitespace between
|
|
* element to a single space, and remove heading and
|
|
* trailing whitespace.
|
|
* Text is cleaned in place in the passed buffer.
|
|
*
|
|
* Params: Pointer to text to be cleand, and its length.
|
|
*
|
|
* Returns: Length of cleaned text.
|
|
*************************************/
|
|
int32
|
|
lo_CleanTextWhitespace(char *text, int32 text_len)
|
|
{
|
|
char *from_ptr;
|
|
char *to_ptr;
|
|
int32 len;
|
|
int32 new_len;
|
|
|
|
if (text == NULL)
|
|
{
|
|
return(0);
|
|
}
|
|
|
|
len = 0;
|
|
new_len = 0;
|
|
from_ptr = text;
|
|
to_ptr = text;
|
|
|
|
while (len < text_len)
|
|
{
|
|
/*
|
|
* Compress chunk of whitespace
|
|
*/
|
|
while ((len < text_len)&&(XP_IS_SPACE(*from_ptr)))
|
|
{
|
|
len++;
|
|
from_ptr++;
|
|
}
|
|
if (len == text_len)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
/*
|
|
* Skip past "good" text
|
|
*/
|
|
while ((len < text_len)&&(!XP_IS_SPACE(*from_ptr)))
|
|
{
|
|
*to_ptr++ = *from_ptr++;
|
|
len++;
|
|
new_len++;
|
|
}
|
|
|
|
/*
|
|
* Put in one space to represent the compressed spaces.
|
|
*/
|
|
if (len != text_len)
|
|
{
|
|
*to_ptr++ = ' ';
|
|
new_len++;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Remove the trailing space, and terminate string.
|
|
*/
|
|
if ((new_len > 0)&&(*(to_ptr - 1) == ' '))
|
|
{
|
|
to_ptr--;
|
|
new_len--;
|
|
}
|
|
*to_ptr = '\0';
|
|
|
|
return(new_len);
|
|
}
|
|
|
|
|
|
/*
|
|
* Used to strip white space off of HREF parameter values to make
|
|
* valid URLs out of them. Remove whitespace from both ends, and
|
|
* remove all non-space whitespace from the middle.
|
|
*/
|
|
int32
|
|
lo_StripTextWhitespace(char *text, int32 text_len)
|
|
{
|
|
char *from_ptr;
|
|
char *to_ptr;
|
|
int32 len;
|
|
int32 tail;
|
|
|
|
if ((text == NULL)||(text_len < 1))
|
|
{
|
|
return(0);
|
|
}
|
|
|
|
len = 0;
|
|
from_ptr = text;
|
|
/*
|
|
* strip leading whitespace
|
|
*/
|
|
while ((len < text_len)&&(XP_IS_SPACE(*from_ptr)))
|
|
{
|
|
len++;
|
|
from_ptr++;
|
|
}
|
|
|
|
if (len == text_len)
|
|
{
|
|
*text = '\0';
|
|
return(0);
|
|
}
|
|
|
|
tail = 0;
|
|
from_ptr = (char *)(text + text_len - 1);
|
|
/*
|
|
* Remove any trailing space
|
|
*/
|
|
while (XP_IS_SPACE(*from_ptr))
|
|
{
|
|
from_ptr--;
|
|
tail++;
|
|
}
|
|
|
|
/*
|
|
* terminate string
|
|
*/
|
|
from_ptr++;
|
|
*from_ptr = '\0';
|
|
|
|
/*
|
|
* remove all non-space whitespace from the middle of the string.
|
|
*/
|
|
from_ptr = (char *)(text + len);
|
|
len = text_len - len - tail;
|
|
to_ptr = text;
|
|
while (*from_ptr != '\0')
|
|
{
|
|
if (XP_IS_SPACE(*from_ptr) && (*from_ptr != ' '))
|
|
{
|
|
from_ptr++;
|
|
len--;
|
|
}
|
|
else
|
|
{
|
|
*to_ptr++ = *from_ptr++;
|
|
}
|
|
}
|
|
*to_ptr = '\0';
|
|
|
|
return(len);
|
|
}
|
|
|
|
|
|
LO_AnchorData *
|
|
lo_NewAnchor(lo_DocState *state, PA_Block href, PA_Block targ)
|
|
{
|
|
LO_AnchorData *anchor_data;
|
|
lo_LayerDocState *layer_state;
|
|
|
|
anchor_data = XP_NEW_ZAP(LO_AnchorData);
|
|
if (anchor_data)
|
|
{
|
|
anchor_data->anchor = href;
|
|
anchor_data->target = targ;
|
|
#ifdef DOM
|
|
/*
|
|
* XXX What if we create anchors out of order? I guess the
|
|
* lo_CurrentLayerState call below means that we can't.
|
|
*/
|
|
anchor_data->node = ACTIVE_NODE(state); /* CURRENT_NODE? */
|
|
#endif
|
|
layer_state = lo_CurrentLayerState(state);
|
|
if (layer_state )
|
|
anchor_data->layer = layer_state->layer;
|
|
}
|
|
else
|
|
{
|
|
state->top_state->out_of_memory = TRUE;
|
|
}
|
|
return anchor_data;
|
|
}
|
|
|
|
|
|
void
|
|
lo_DestroyAnchor(LO_AnchorData *anchor_data)
|
|
{
|
|
if (anchor_data->anchor != NULL)
|
|
{
|
|
PA_FREE(anchor_data->anchor);
|
|
}
|
|
if (anchor_data->target != NULL)
|
|
{
|
|
PA_FREE(anchor_data->target);
|
|
}
|
|
XP_DELETE(anchor_data);
|
|
}
|
|
|
|
|
|
/*
|
|
* Add this url's block to the list
|
|
* of all allocated urls so we can free
|
|
* it later.
|
|
*/
|
|
void
|
|
lo_AddToUrlList(MWContext *context, lo_DocState *state,
|
|
LO_AnchorData *url_buff)
|
|
{
|
|
lo_TopState *top_state;
|
|
int32 i;
|
|
LO_AnchorData **anchor_array;
|
|
intn a_url;
|
|
#ifdef XP_WIN16
|
|
intn a_size;
|
|
intn a_indx;
|
|
XP_Block *ulist_array;
|
|
#endif /* XP_WIN16 */
|
|
lo_DocLists *doc_lists;
|
|
|
|
doc_lists = lo_GetCurrentDocLists(state);
|
|
|
|
/*
|
|
* Error checking
|
|
*/
|
|
if ((url_buff == NULL)||(state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
|
|
top_state = state->top_state;
|
|
|
|
/*
|
|
* We may need to grow the url_list.
|
|
*/
|
|
#ifdef XP_WIN16
|
|
a_size = SIZE_LIMIT / sizeof(XP_Block *);
|
|
a_indx = doc_lists->url_list_len / a_size;
|
|
a_url = doc_lists->url_list_len - (a_indx * a_size);
|
|
|
|
XP_LOCK_BLOCK(ulist_array, XP_Block *, doc_lists->ulist_array);
|
|
|
|
|
|
if ((a_url == 0)&&(a_indx > 0))
|
|
{
|
|
doc_lists->url_list = XP_ALLOC_BLOCK(URL_LIST_INC *
|
|
sizeof(LO_AnchorData *));
|
|
if (doc_lists->url_list == NULL)
|
|
{
|
|
XP_UNLOCK_BLOCK(doc_lists->ulist_array);
|
|
top_state->out_of_memory = TRUE;
|
|
return;
|
|
}
|
|
doc_lists->url_list_size = URL_LIST_INC;
|
|
XP_LOCK_BLOCK(anchor_array, LO_AnchorData **,
|
|
doc_lists->url_list);
|
|
for (i=0; i < URL_LIST_INC; i++)
|
|
{
|
|
anchor_array[i] = NULL;
|
|
}
|
|
XP_UNLOCK_BLOCK(doc_lists->url_list);
|
|
|
|
doc_lists->ulist_array_size++;
|
|
XP_UNLOCK_BLOCK(doc_lists->ulist_array);
|
|
doc_lists->ulist_array = XP_REALLOC_BLOCK(
|
|
doc_lists->ulist_array, (doc_lists->ulist_array_size
|
|
* sizeof(XP_Block)));
|
|
if (doc_lists->ulist_array == NULL)
|
|
{
|
|
top_state->out_of_memory = TRUE;
|
|
return;
|
|
}
|
|
XP_LOCK_BLOCK(ulist_array, XP_Block *, doc_lists->ulist_array);
|
|
ulist_array[doc_lists->ulist_array_size - 1] = doc_lists->url_list;
|
|
doc_lists->url_list = ulist_array[a_indx];
|
|
}
|
|
else if (a_url >= doc_lists->url_list_size)
|
|
{
|
|
int32 url_list_inc;
|
|
|
|
if ((doc_lists->url_list_size / 10) > URL_LIST_INC)
|
|
{
|
|
url_list_inc = doc_lists->url_list_size / 10;
|
|
}
|
|
else
|
|
{
|
|
url_list_inc = URL_LIST_INC;
|
|
}
|
|
doc_lists->url_list_size += (intn)url_list_inc;
|
|
if (doc_lists->url_list_size > a_size)
|
|
{
|
|
doc_lists->url_list_size = a_size;
|
|
}
|
|
|
|
doc_lists->url_list = ulist_array[a_indx];
|
|
doc_lists->url_list = XP_REALLOC_BLOCK(doc_lists->url_list,
|
|
(doc_lists->url_list_size * sizeof(LO_AnchorData *)));
|
|
if (doc_lists->url_list == NULL)
|
|
{
|
|
XP_UNLOCK_BLOCK(doc_lists->ulist_array);
|
|
top_state->out_of_memory = TRUE;
|
|
return;
|
|
}
|
|
ulist_array[a_indx] = doc_lists->url_list;
|
|
/*
|
|
* Clear the new entries
|
|
*/
|
|
XP_LOCK_BLOCK(anchor_array, LO_AnchorData **,
|
|
doc_lists->url_list);
|
|
for (i = doc_lists->url_list_len; i < doc_lists->url_list_size; i++)
|
|
{
|
|
anchor_array[i] = NULL;
|
|
}
|
|
XP_UNLOCK_BLOCK(doc_lists->url_list);
|
|
}
|
|
doc_lists->url_list = ulist_array[a_indx];
|
|
#else
|
|
if (doc_lists->url_list_len ==
|
|
doc_lists->url_list_size)
|
|
{
|
|
int32 url_list_inc;
|
|
|
|
if ((doc_lists->url_list_size / 10) > URL_LIST_INC)
|
|
{
|
|
url_list_inc = doc_lists->url_list_size / 10;
|
|
}
|
|
else
|
|
{
|
|
url_list_inc = URL_LIST_INC;
|
|
}
|
|
doc_lists->url_list_size += url_list_inc;
|
|
doc_lists->url_list = XP_REALLOC_BLOCK(doc_lists->url_list,
|
|
(doc_lists->url_list_size *
|
|
sizeof(LO_AnchorData *)));
|
|
if (doc_lists->url_list == NULL)
|
|
{
|
|
top_state->out_of_memory = TRUE;
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Clear the new entries
|
|
*/
|
|
XP_LOCK_BLOCK(anchor_array, LO_AnchorData **, doc_lists->url_list);
|
|
for (i = doc_lists->url_list_len; i < doc_lists->url_list_size; i++)
|
|
{
|
|
anchor_array[i] = NULL;
|
|
}
|
|
XP_UNLOCK_BLOCK(doc_lists->url_list);
|
|
}
|
|
a_url = doc_lists->url_list_len;
|
|
#endif /* XP_WIN16 */
|
|
|
|
XP_LOCK_BLOCK(anchor_array, LO_AnchorData **, doc_lists->url_list);
|
|
if (anchor_array[a_url] != NULL)
|
|
{
|
|
lo_DestroyAnchor(anchor_array[a_url]);
|
|
}
|
|
anchor_array[a_url] = url_buff;
|
|
doc_lists->url_list_len++;
|
|
XP_UNLOCK_BLOCK(doc_lists->url_list);
|
|
}
|
|
|
|
|
|
void
|
|
lo_BodyMargins(MWContext *context, lo_DocState *state, PA_Tag *tag)
|
|
{
|
|
PA_Block buff;
|
|
char *str;
|
|
int32 margin_width;
|
|
int32 margin_height;
|
|
Bool changes;
|
|
|
|
margin_width = state->win_left;
|
|
margin_height = state->win_top;
|
|
changes = FALSE;
|
|
|
|
/*
|
|
* Get the margin width.
|
|
*/
|
|
buff = lo_FetchParamValue(context, tag, PARAM_MARGINWIDTH);
|
|
if (buff != NULL)
|
|
{
|
|
int32 val;
|
|
|
|
PA_LOCK(str, char *, buff);
|
|
val = XP_ATOI(str);
|
|
if (val < 0)
|
|
{
|
|
val = 0;
|
|
}
|
|
margin_width = val;
|
|
PA_UNLOCK(buff);
|
|
PA_FREE(buff);
|
|
margin_width = FEUNITS_X(margin_width, context);
|
|
/*
|
|
* Sanify based on window width.
|
|
*/
|
|
if (margin_width > ((state->win_width / 2) - 1))
|
|
{
|
|
margin_width = ((state->win_width / 2) - 1);
|
|
}
|
|
state->top_state->body_attr |= BODY_ATTR_MARGINS;
|
|
changes = TRUE;
|
|
}
|
|
|
|
/*
|
|
* Get the margin height.
|
|
*/
|
|
buff = lo_FetchParamValue(context, tag, PARAM_MARGINHEIGHT);
|
|
if (buff != NULL)
|
|
{
|
|
int32 val;
|
|
|
|
PA_LOCK(str, char *, buff);
|
|
val = XP_ATOI(str);
|
|
if (val < 0)
|
|
{
|
|
val = 0;
|
|
}
|
|
margin_height = val;
|
|
PA_UNLOCK(buff);
|
|
PA_FREE(buff);
|
|
margin_height = FEUNITS_Y(margin_height, context);
|
|
/*
|
|
* Sanify based on window height.
|
|
*/
|
|
if (margin_height > ((state->win_height / 2) - 1))
|
|
{
|
|
margin_height = ((state->win_height / 2) - 1);
|
|
}
|
|
state->top_state->body_attr |= BODY_ATTR_MARGINS;
|
|
changes = TRUE;
|
|
}
|
|
|
|
if (changes != FALSE)
|
|
{
|
|
state->win_top = margin_height;
|
|
state->win_bottom = margin_height;
|
|
|
|
state->win_left = margin_width;
|
|
state->win_right = margin_width;
|
|
|
|
state->max_width = state->win_left + state->win_right;
|
|
state->max_height = state->win_top + state->win_bottom;
|
|
|
|
state->x = state->win_left;
|
|
state->y = state->win_top;
|
|
|
|
state->left_margin = state->win_left;
|
|
state->right_margin = state->win_width - state->win_right;
|
|
|
|
state->break_holder = state->x;
|
|
|
|
/*
|
|
* Need to reset the margin values in the default list stack
|
|
*/
|
|
if ((state->list_stack->type == P_UNKNOWN)&&
|
|
(state->list_stack->next == NULL))
|
|
{
|
|
state->list_stack->old_left_margin = state->win_left;
|
|
state->list_stack->old_right_margin =
|
|
state->win_width - state->win_right;
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* This should never happen. If it doesm it means we somehow
|
|
* started a list without knowing that we had entered the BODY
|
|
* of the document.
|
|
*/
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
lo_ProcessBodyTag(MWContext *context, lo_DocState *state, PA_Tag *tag)
|
|
{
|
|
if (tag->is_end == FALSE)
|
|
{
|
|
if ((state->end_last_line == NULL)&&
|
|
((state->top_state->body_attr & BODY_ATTR_MARGINS) == 0))
|
|
{
|
|
lo_BodyMargins(context, state, tag);
|
|
}
|
|
if (UserOverride == FALSE || context->type == MWContextDialog)
|
|
{
|
|
lo_BodyBackground(context, state, tag, FALSE);
|
|
}
|
|
if (( !EDT_IS_EDITOR( context ) )&&
|
|
((state->top_state->body_attr & BODY_ATTR_JAVA) == 0))
|
|
{
|
|
if (lo_ProcessContextEventHandlers(context, state, tag))
|
|
{
|
|
state->top_state->body_attr |= BODY_ATTR_JAVA;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
lo_SetBaseUrl(lo_TopState *top_state, char *url, Bool is_blocked)
|
|
{
|
|
if (url)
|
|
url = XP_STRDUP(url);
|
|
|
|
if (is_blocked)
|
|
{
|
|
if (top_state->tag_from_inline_stream)
|
|
{
|
|
XP_FREEIF(top_state->inline_stream_blocked_base_url);
|
|
top_state->inline_stream_blocked_base_url = url;
|
|
}
|
|
else
|
|
{
|
|
XP_FREEIF(top_state->main_stream_blocked_base_url);
|
|
top_state->main_stream_blocked_base_url = url;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
XP_FREEIF(top_state->base_url);
|
|
top_state->base_url = url;
|
|
}
|
|
}
|
|
|
|
/*************************************
|
|
* Function: lo_BlockTag
|
|
*
|
|
* Description: This function blocks the layout of the tag, and
|
|
* saves them in the context.
|
|
*
|
|
* Params: Window context and document state, and the tag to be blocked.
|
|
*
|
|
* Returns: Nothing
|
|
*************************************/
|
|
void
|
|
lo_BlockTag(MWContext *context, lo_DocState *state, PA_Tag *tag)
|
|
{
|
|
PA_Tag ***tags_end_ptr, **tags_end; /* triple-indirect, wow! see below */
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *new_state;
|
|
char *save_base=NULL;
|
|
|
|
/*
|
|
* All blocked tags should be at the top level of state
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
new_state = lo_CurrentSubState(state);
|
|
|
|
if (top_state->tags == NULL)
|
|
PA_HoldDocData(top_state->doc_data);
|
|
|
|
/*
|
|
* For everything except BASE tags, we need to use
|
|
* the blocked base here as our real base so that
|
|
* relative URLs are processed properly.
|
|
*/
|
|
if (tag->type != P_BASE)
|
|
{
|
|
save_base = top_state->base_url;
|
|
if (top_state->tag_from_inline_stream)
|
|
{
|
|
if (top_state->inline_stream_blocked_base_url)
|
|
top_state->base_url = top_state->inline_stream_blocked_base_url;
|
|
}
|
|
else
|
|
{
|
|
if (top_state->main_stream_blocked_base_url)
|
|
top_state->base_url = top_state->main_stream_blocked_base_url;
|
|
}
|
|
}
|
|
|
|
switch (tag->type)
|
|
{
|
|
/*
|
|
* We need to process these when blocked so that
|
|
* relative URLs of images that are processed when
|
|
* blocked are correct.
|
|
*/
|
|
case P_BASE:
|
|
{
|
|
PA_Block buff;
|
|
char *url;
|
|
|
|
buff = lo_FetchParamValue(context, tag,
|
|
PARAM_HREF);
|
|
if (buff != NULL)
|
|
{
|
|
PA_LOCK(url, char *, buff);
|
|
if (url != NULL)
|
|
{
|
|
int32 len;
|
|
|
|
len = lo_StripTextWhitespace(
|
|
url, XP_STRLEN(url));
|
|
}
|
|
lo_SetBaseUrl(top_state, url, TRUE);
|
|
PA_UNLOCK(buff);
|
|
PA_FREE(buff);
|
|
}
|
|
}
|
|
break;
|
|
case P_IMAGE:
|
|
case P_NEW_IMAGE:
|
|
if (tag->is_end == FALSE)
|
|
{
|
|
/*
|
|
* For images that are part of the main document, we
|
|
* can use the doc_data's url as the base URL. For
|
|
* images that are part of a LAYER that has a SRC
|
|
* attribute, we use the top_state's version (the base_url
|
|
* is temporarily changed to that of the LAYER while
|
|
* we process tags within the layer). The input_write_level
|
|
* tells us whether the tag is part of the main document
|
|
* or the layer.
|
|
*/
|
|
lo_BlockedImageLayout(context, new_state, tag,
|
|
top_state->base_url);
|
|
}
|
|
break;
|
|
case P_SCRIPT:
|
|
case P_STYLE:
|
|
case P_LINK:
|
|
lo_BlockScriptTag(context, new_state, tag);
|
|
break;
|
|
case P_LAYER:
|
|
lo_BlockLayerTag(context, new_state, tag);
|
|
break;
|
|
case P_PARAM:
|
|
lo_ProcessParamTag(context, new_state, tag, TRUE);
|
|
break;
|
|
case P_OBJECT:
|
|
lo_ProcessObjectTag(context, new_state, tag, TRUE);
|
|
break;
|
|
}
|
|
/*
|
|
* Now restore the base that you switched if it
|
|
* wasn't a BASE tag.
|
|
*/
|
|
if (tag->type != P_BASE)
|
|
{
|
|
top_state->base_url = save_base;
|
|
}
|
|
|
|
/*
|
|
* Unify the basis and induction cases of singly-linked list insert
|
|
* using a double-indirect pointer. Instead of
|
|
*
|
|
* if (head == NULL)
|
|
* head = tail = elem;
|
|
* else
|
|
* tail = tail->next = elem;
|
|
*
|
|
* where head = tail = NULL is the empty state and elem->next = NULL,
|
|
* use a pointer to the pointer to the last element:
|
|
*
|
|
* *tail_ptr = elem;
|
|
* tail_ptr = &elem->next;
|
|
*
|
|
* where head = NULL, tail_ptr = &head is the empty state.
|
|
*
|
|
* The triple-indirection below is to avoid further splitting cases
|
|
* based on whether we're inserting at the input_write_point or
|
|
* at the end of the tags list. The
|
|
* 'if (top_state->input_write_level)' test is unavoidable, but
|
|
* once the tags_end_ptr variable is set to point at the right
|
|
* double-indirect "tail_ptr" (per above sketch), there is shared code.
|
|
*/
|
|
|
|
if (top_state->input_write_level)
|
|
{
|
|
tags_end_ptr = &top_state->input_write_point[top_state->input_write_level-1];
|
|
if (*tags_end_ptr == NULL)
|
|
{
|
|
*tags_end_ptr = top_state->tags_end;
|
|
}
|
|
if (top_state->tags_end == *tags_end_ptr)
|
|
{
|
|
*tags_end_ptr = &tag->next;
|
|
tags_end_ptr = &top_state->tags_end;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
tags_end_ptr = &top_state->tags_end;
|
|
}
|
|
tags_end = *tags_end_ptr;
|
|
tag->next = *tags_end;
|
|
*tags_end = tag;
|
|
*tags_end_ptr = &tag->next;
|
|
}
|
|
|
|
|
|
lo_DocState *
|
|
lo_TopSubState(lo_TopState *top_state)
|
|
{
|
|
lo_DocState *new_state;
|
|
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return(NULL);
|
|
}
|
|
|
|
new_state = top_state->doc_state;
|
|
while (new_state->sub_state != NULL)
|
|
{
|
|
new_state = new_state->sub_state;
|
|
}
|
|
|
|
return(new_state);
|
|
}
|
|
|
|
|
|
lo_DocState *
|
|
lo_CurrentSubState(lo_DocState *state)
|
|
{
|
|
lo_DocState *new_state;
|
|
|
|
if (state == NULL)
|
|
{
|
|
return(NULL);
|
|
}
|
|
|
|
new_state = state;
|
|
while (new_state->sub_state != NULL)
|
|
{
|
|
new_state = new_state->sub_state;
|
|
}
|
|
|
|
return(new_state);
|
|
}
|
|
|
|
|
|
/*************************************
|
|
* Function: lo_FetchTopState
|
|
*
|
|
* Description: This function uses the document ID to locate the
|
|
* lo_TopState structure for this document.
|
|
* Eventually this state will be kept somewhere in the
|
|
* Window context.
|
|
*
|
|
* Params: A unique document ID as derived from the window context.
|
|
*
|
|
* Returns: A pointer to the lo_TopState structure for this document.
|
|
* NULL on error.
|
|
*************************************/
|
|
lo_TopState *
|
|
lo_FetchTopState(int32 doc_id)
|
|
{
|
|
lo_StateList *sptr;
|
|
lo_TopState *state;
|
|
|
|
sptr = StateList;
|
|
while (sptr != NULL)
|
|
{
|
|
if (sptr->doc_id == doc_id)
|
|
{
|
|
break;
|
|
}
|
|
sptr = sptr->next;
|
|
}
|
|
if (sptr == NULL)
|
|
{
|
|
state = NULL;
|
|
}
|
|
else
|
|
{
|
|
state = sptr->state;
|
|
}
|
|
|
|
return(state);
|
|
}
|
|
|
|
|
|
static void
|
|
lo_RemoveTopState(int32 doc_id)
|
|
{
|
|
lo_StateList *state;
|
|
lo_StateList *sptr;
|
|
|
|
state = StateList;
|
|
sptr = StateList;
|
|
while (sptr != NULL)
|
|
{
|
|
if (sptr->doc_id == doc_id)
|
|
{
|
|
break;
|
|
}
|
|
state = sptr;
|
|
sptr = sptr->next;
|
|
}
|
|
if (sptr != NULL)
|
|
{
|
|
if (sptr == StateList)
|
|
{
|
|
StateList = StateList->next;
|
|
}
|
|
else
|
|
{
|
|
state->next = sptr->next;
|
|
}
|
|
XP_DELETE(sptr);
|
|
}
|
|
}
|
|
|
|
|
|
Bool
|
|
lo_StoreTopState(int32 doc_id, lo_TopState *new_state)
|
|
{
|
|
lo_StateList *sptr;
|
|
|
|
sptr = StateList;
|
|
while (sptr != NULL)
|
|
{
|
|
if (sptr->doc_id == doc_id)
|
|
{
|
|
break;
|
|
}
|
|
sptr = sptr->next;
|
|
}
|
|
|
|
if (sptr == NULL)
|
|
{
|
|
sptr = XP_NEW(lo_StateList);
|
|
if (sptr == NULL)
|
|
{
|
|
return FALSE;
|
|
}
|
|
sptr->doc_id = doc_id;
|
|
sptr->next = StateList;
|
|
StateList = sptr;
|
|
}
|
|
sptr->state = new_state;
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
void
|
|
lo_SaveSubdocTags(MWContext *context, lo_DocState *state, PA_Tag *tag)
|
|
{
|
|
PA_Tag *tag_ptr;
|
|
|
|
tag->next = NULL;
|
|
|
|
if (state->subdoc_tags_end == NULL)
|
|
{
|
|
if (state->subdoc_tags == NULL)
|
|
{
|
|
state->subdoc_tags = tag;
|
|
state->subdoc_tags_end = tag;
|
|
}
|
|
else
|
|
{
|
|
state->subdoc_tags->next = tag;
|
|
state->subdoc_tags = tag;
|
|
state->subdoc_tags_end = tag;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
tag_ptr = state->subdoc_tags_end;
|
|
tag_ptr->next = tag;
|
|
state->subdoc_tags_end = tag;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void
|
|
lo_FlushBlockage(MWContext *context, lo_DocState *state,
|
|
lo_DocState *main_doc_state)
|
|
{
|
|
PA_Tag *tag_ptr;
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *orig_state;
|
|
lo_DocState *up_state;
|
|
Bool was_blockage;
|
|
|
|
/*
|
|
* All blocked tags should be at the top level of state
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
/* Prevent re-entering */
|
|
if (top_state->flushing_blockage)
|
|
return;
|
|
top_state->flushing_blockage = TRUE;
|
|
|
|
was_blockage = (top_state->tags != NULL);
|
|
tag_ptr = top_state->tags;
|
|
|
|
orig_state = top_state->doc_state;
|
|
|
|
up_state = NULL;
|
|
state = orig_state;
|
|
while (state->sub_state != NULL)
|
|
{
|
|
up_state = state;
|
|
state = state->sub_state;
|
|
}
|
|
|
|
top_state->layout_blocking_element = NULL;
|
|
|
|
while ((tag_ptr != NULL)&&(top_state->layout_blocking_element == NULL))
|
|
{
|
|
PA_Tag *tag;
|
|
lo_DocState *new_state;
|
|
lo_DocState *new_up_state;
|
|
lo_DocState *tmp_state;
|
|
Bool may_save;
|
|
int32 state_diff;
|
|
|
|
tag = tag_ptr;
|
|
tag_ptr = tag_ptr->next;
|
|
tag->next = NULL;
|
|
|
|
/*
|
|
* Always keep top_state->tags sane
|
|
*/
|
|
top_state->tags = tag_ptr;
|
|
if (tag_ptr == NULL)
|
|
{
|
|
top_state->tags_end = &top_state->tags;
|
|
}
|
|
|
|
/*
|
|
* Since script processing is asynchronous we need to do this
|
|
* whenever we flush blockage
|
|
*/
|
|
if (lo_FilterTag(context, state, tag) == FALSE)
|
|
{
|
|
PA_FreeTag(tag);
|
|
continue;
|
|
}
|
|
|
|
if ((state->is_a_subdoc == SUBDOC_CELL)||
|
|
(state->is_a_subdoc == SUBDOC_CAPTION))
|
|
{
|
|
may_save = TRUE;
|
|
}
|
|
else
|
|
{
|
|
may_save = FALSE;
|
|
}
|
|
|
|
/*
|
|
* Reset these so we can tell if anything happened
|
|
*/
|
|
top_state->diff_state = FALSE;
|
|
top_state->state_pushes = 0;
|
|
top_state->state_pops = 0;
|
|
|
|
if (state->top_state->out_of_memory == FALSE)
|
|
{
|
|
lo_LayoutTag(context, state, tag);
|
|
if (tag->type == P_LAYER)
|
|
{
|
|
lo_UnblockLayerTag(state);
|
|
}
|
|
if(top_state->wedged_on_mocha) {
|
|
top_state->wedged_on_mocha = FALSE;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
/* how has our state level changed? */
|
|
state_diff = top_state->state_pushes - top_state->state_pops;
|
|
|
|
new_up_state = NULL;
|
|
new_state = orig_state;
|
|
while (new_state->sub_state != NULL)
|
|
{
|
|
new_up_state = new_state;
|
|
new_state = new_state->sub_state;
|
|
}
|
|
tmp_state = new_state;
|
|
if (may_save != FALSE)
|
|
{
|
|
if (state_diff == -1)
|
|
{
|
|
/*
|
|
* That tag popped us up one state level. If this new
|
|
* state is still a subdoc, save the tag there.
|
|
*/
|
|
if ((tmp_state->is_a_subdoc == SUBDOC_CELL)||
|
|
(tmp_state->is_a_subdoc == SUBDOC_CAPTION))
|
|
{
|
|
|
|
/* if we just popped a table we need to insert
|
|
* a dummy end tag to pop the dummy start tag
|
|
* we shove on the stack after createing a table
|
|
*/
|
|
PA_Tag *new_tag = LO_CreateStyleSheetDummyTag(tag);
|
|
if(new_tag)
|
|
{
|
|
lo_SaveSubdocTags(context, tmp_state, new_tag);
|
|
}
|
|
|
|
lo_SaveSubdocTags(context, tmp_state, tag);
|
|
}
|
|
else
|
|
{
|
|
PA_FreeTag(tag);
|
|
}
|
|
}
|
|
else if (( up_state != NULL ) &&
|
|
( top_state->diff_state != FALSE ) &&
|
|
( state_diff == 0 ))
|
|
{
|
|
/*
|
|
* We have returned to the same state level but
|
|
* we have a different subdoc.
|
|
*/
|
|
if ((up_state->is_a_subdoc == SUBDOC_CELL)||
|
|
(up_state->is_a_subdoc == SUBDOC_CAPTION))
|
|
{
|
|
lo_SaveSubdocTags(context, up_state, tag);
|
|
}
|
|
else
|
|
{
|
|
PA_FreeTag(tag);
|
|
}
|
|
}
|
|
else if (( top_state->diff_state == FALSE ) &&
|
|
( state_diff == 0 ))
|
|
{
|
|
/*
|
|
* We are still in the same subdoc
|
|
*/
|
|
lo_SaveSubdocTags(context, state, tag);
|
|
}
|
|
else if (( state_diff == 1 ))
|
|
{
|
|
PA_Tag *new_tag;
|
|
|
|
/*
|
|
* That tag started a new, nested subdoc.
|
|
* Add the starting tag to the parent.
|
|
*/
|
|
lo_SaveSubdocTags(context, state, tag);
|
|
/*
|
|
* Since we have extended the parent chain,
|
|
* we need to reset the child to the new
|
|
* parent end-chain.
|
|
*/
|
|
if ((tmp_state->is_a_subdoc == SUBDOC_CELL)||
|
|
(tmp_state->is_a_subdoc == SUBDOC_CAPTION))
|
|
{
|
|
tmp_state->subdoc_tags =
|
|
state->subdoc_tags_end;
|
|
|
|
/* add an aditional dummy tag so that style sheets
|
|
* can use it to query styles from for this entry
|
|
* that created a table
|
|
*/
|
|
new_tag = LO_CreateStyleSheetDummyTag(tag);
|
|
if(new_tag)
|
|
{
|
|
lo_SaveSubdocTags(context, tmp_state, new_tag);
|
|
}
|
|
}
|
|
|
|
}
|
|
/*
|
|
* This can never happen.
|
|
*/
|
|
else
|
|
{
|
|
PA_FreeTag(tag);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(state_diff == 1)
|
|
{
|
|
/* everytime a table is started we need to save the
|
|
* tag that created it so that style sheets can apply
|
|
* styles to it. So we will save even in the "dont save"
|
|
* case
|
|
*/
|
|
PA_Tag *new_tag = LO_CreateStyleSheetDummyTag(tag);
|
|
if(new_tag)
|
|
{
|
|
/* We just pushed another table into a previous table
|
|
* we need to do some table magic to make the subdoc
|
|
* list work right
|
|
*/
|
|
lo_SaveSubdocTags(context, tmp_state, new_tag);
|
|
}
|
|
}
|
|
else if(state_diff == -1)
|
|
{
|
|
/* if we just popped a table we need to insert
|
|
* a dummy end tag to pop the dummy start tag
|
|
* we shove on the stack after createing a table
|
|
*/
|
|
PA_Tag *new_tag = LO_CreateStyleSheetDummyTag(tag);
|
|
if(new_tag)
|
|
{
|
|
lo_SaveSubdocTags(context, tmp_state, new_tag);
|
|
}
|
|
|
|
lo_SaveSubdocTags(context, tmp_state, tag);
|
|
|
|
}
|
|
PA_FreeTag(tag);
|
|
}
|
|
tag_ptr = top_state->tags;
|
|
state = new_state;
|
|
up_state = new_up_state;
|
|
}
|
|
|
|
if (tag_ptr != NULL)
|
|
{
|
|
top_state->tags = tag_ptr;
|
|
}
|
|
else
|
|
{
|
|
int i;
|
|
top_state->tags = NULL;
|
|
top_state->tags_end = &top_state->tags;
|
|
for (i = 0; i < MAX_INPUT_WRITE_LEVEL; i++)
|
|
top_state->input_write_point[i] = NULL;
|
|
if (was_blockage) {
|
|
NET_StreamClass s;
|
|
s.data_object=(pa_DocData *)top_state->doc_data;
|
|
top_state->doc_data = PA_DropDocData(&s);
|
|
}
|
|
}
|
|
|
|
if ((top_state->layout_blocking_element == NULL)&&
|
|
(top_state->tags == NULL)&&
|
|
(top_state->layout_status == PA_COMPLETE) &&
|
|
!top_state->finished)
|
|
{
|
|
/*
|
|
* makes sure we are at the bottom
|
|
* of everything in the document.
|
|
*/
|
|
state = lo_CurrentSubState(main_doc_state);
|
|
lo_CloseOutLayout(context, state);
|
|
lo_FinishLayout(context, state, EVENT_LOAD);
|
|
}
|
|
done:
|
|
top_state->flushing_blockage = FALSE;
|
|
}
|
|
|
|
|
|
/*************************************
|
|
* Function: lo_DisplayLine
|
|
*
|
|
* Description: This function displays a single line
|
|
* of the document, by having the front end individually
|
|
* display each element in it.
|
|
*
|
|
* Params: Window context, docuemnt state, and an index into
|
|
* the line array.
|
|
*
|
|
* Returns: Nothing.
|
|
*************************************/
|
|
void
|
|
lo_DisplayLine(MWContext *context, lo_DocState *state, int32 line_num,
|
|
int32 x, int32 y, uint32 w, uint32 h)
|
|
{
|
|
LO_Element *tptr;
|
|
LO_Element *end_ptr;
|
|
LO_Element **line_array;
|
|
|
|
#ifdef LOCAL_DEBUG
|
|
XP_TRACE(("lo_DisplayLine(%d)\n", line_num));
|
|
#endif
|
|
if (state == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (state->display_blocked != FALSE)
|
|
{
|
|
return;
|
|
}
|
|
|
|
#ifdef XP_WIN16
|
|
{
|
|
intn a_size;
|
|
intn a_indx;
|
|
intn a_line;
|
|
XP_Block *larray_array;
|
|
|
|
a_size = SIZE_LIMIT / sizeof(LO_Element *);
|
|
a_indx = (intn)(line_num / a_size);
|
|
a_line = (intn)(line_num - (a_indx * a_size));
|
|
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *, state->larray_array);
|
|
state->line_array = larray_array[a_indx];
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
tptr = line_array[a_line];
|
|
|
|
if (line_num >= (state->line_num - 2))
|
|
{
|
|
end_ptr = NULL;
|
|
}
|
|
else
|
|
{
|
|
if ((a_line + 1) == a_size)
|
|
{
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
state->line_array = larray_array[a_indx + 1];
|
|
XP_LOCK_BLOCK(line_array, LO_Element **,
|
|
state->line_array);
|
|
end_ptr = line_array[0];
|
|
}
|
|
else
|
|
{
|
|
end_ptr = line_array[a_line + 1];
|
|
}
|
|
}
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
}
|
|
#else
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
tptr = line_array[line_num];
|
|
|
|
if (line_num >= (state->line_num - 2))
|
|
{
|
|
end_ptr = NULL;
|
|
}
|
|
else
|
|
{
|
|
end_ptr = line_array[line_num + 1];
|
|
}
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
#endif /* XP_WIN16 */
|
|
|
|
#ifdef LOCAL_DEBUG
|
|
if (tptr == NULL)
|
|
{
|
|
XP_TRACE((" line %d is NULL!\n", line_num));
|
|
}
|
|
#endif
|
|
|
|
while (tptr != NULL && tptr != end_ptr)
|
|
{
|
|
lo_DisplayElement(context, tptr,
|
|
state->base_x, state->base_y,
|
|
x, y, w, h);
|
|
|
|
tptr = tptr->lo_any.next;
|
|
}
|
|
}
|
|
|
|
/*************************************
|
|
* Function: lo_PointToLine
|
|
*
|
|
* Description: This function calculates the line which contains
|
|
* a point. It's used for tracking mouse motion and button presses.
|
|
*
|
|
* Params: Window context, x, y position of point.
|
|
*
|
|
* Returns: The line that contains the point.
|
|
* Returns -1 on error.
|
|
*************************************/
|
|
int32
|
|
lo_PointToLine (MWContext *context, lo_DocState *state, int32 x, int32 y)
|
|
{
|
|
int32 line, start, middle, end;
|
|
LO_Element **line_array;
|
|
#ifdef XP_WIN16
|
|
int32 line_add;
|
|
#endif /* XP_WIN16 */
|
|
|
|
line = -1;
|
|
|
|
/*
|
|
* No document state yet.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
return(line);
|
|
}
|
|
|
|
/*
|
|
* No laid out lines yet.
|
|
*/
|
|
if (state->line_num == 1 || !state->line_array)
|
|
{
|
|
return(line);
|
|
}
|
|
|
|
#ifdef XP_WIN16
|
|
{
|
|
intn a_size;
|
|
intn a_indx;
|
|
intn a_line;
|
|
XP_Block *larray_array;
|
|
|
|
a_size = SIZE_LIMIT / sizeof(LO_Element *);
|
|
a_indx = (intn)((state->line_num - 2) / a_size);
|
|
a_line = (intn)((state->line_num - 2) - (a_indx * a_size));
|
|
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *, state->larray_array);
|
|
while (a_indx > 0)
|
|
{
|
|
XP_LOCK_BLOCK(line_array, LO_Element **,
|
|
larray_array[a_indx]);
|
|
if (y < line_array[0]->lo_any.y)
|
|
{
|
|
XP_UNLOCK_BLOCK(larray_array[a_indx]);
|
|
a_indx--;
|
|
}
|
|
else
|
|
{
|
|
XP_UNLOCK_BLOCK(larray_array[a_indx]);
|
|
break;
|
|
}
|
|
}
|
|
state->line_array = larray_array[a_indx];
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
|
|
/*
|
|
* We are about to do a binary search through the line
|
|
* array, lock it down.
|
|
*/
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
line_add = a_indx * a_size;
|
|
start = 0;
|
|
end = ((a_indx + 1) * a_size) - 1;
|
|
if (end > (state->line_num - 2))
|
|
{
|
|
end = state->line_num - 2;
|
|
}
|
|
end = end - line_add;
|
|
}
|
|
#else
|
|
/*
|
|
* We are about to do a binary search through the line
|
|
* array, lock it down.
|
|
*/
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
start = 0;
|
|
end = (intn) state->line_num - 2;
|
|
#endif /* XP_WIN16 */
|
|
|
|
/*
|
|
* Special case if area is off the top.
|
|
*/
|
|
if (y <= 0)
|
|
{
|
|
line = 0;
|
|
}
|
|
/*
|
|
* Else another special case if area is off the bottom.
|
|
*/
|
|
else if (y >= line_array[end]->lo_any.y)
|
|
{
|
|
line = end;
|
|
}
|
|
/*
|
|
* Else a binary search through the document
|
|
* line list to find the line that contains the point.
|
|
*/
|
|
else
|
|
{
|
|
/*
|
|
* find the containing line.
|
|
*/
|
|
while ((end - start) > 0)
|
|
{
|
|
middle = (start + end + 1) / 2;
|
|
if (y < line_array[middle]->lo_any.y)
|
|
{
|
|
end = middle - 1;
|
|
}
|
|
else
|
|
{
|
|
start = middle;
|
|
}
|
|
}
|
|
line = start;
|
|
end = (intn) state->line_num - 2; /* reset end */
|
|
}
|
|
|
|
/* check for a match higher up
|
|
* if it matches find the highest matching line
|
|
*
|
|
* matches higher up can be caused by stylesheet
|
|
* negative margins
|
|
*/
|
|
while(line > 0
|
|
&& line_array[line-1]->lo_any.y <= y
|
|
&& line_array[line-1]->lo_any.y+line_array[line-1]->lo_any.height > y)
|
|
{
|
|
line--;
|
|
}
|
|
|
|
/* search through any lines that have the same Y coordinates and
|
|
* find the closes x directly to the left of the current point
|
|
*/
|
|
if(line != end
|
|
&& line_array[line+1]->lo_any.y <= y
|
|
&& line_array[line+1]->lo_any.y+line_array[line+1]->lo_any.height > y)
|
|
{
|
|
int32 closest=line;
|
|
int32 cur_line=line+1;
|
|
|
|
for(; cur_line <= end
|
|
&& line_array[cur_line]->lo_any.y <= y
|
|
&& line_array[cur_line]->lo_any.y+line_array[cur_line]->lo_any.height > y
|
|
; cur_line++)
|
|
{
|
|
if(line_array[cur_line]->lo_any.x < x
|
|
&& (line_array[closest]->lo_any.x > x
|
|
|| line_array[closest]->lo_any.x < line_array[cur_line]->lo_any.x))
|
|
{
|
|
closest = cur_line;
|
|
}
|
|
}
|
|
|
|
line = closest;
|
|
}
|
|
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
#ifdef XP_WIN16
|
|
line = line + line_add;
|
|
#endif /* XP_WIN16 */
|
|
return(line);
|
|
}
|
|
|
|
|
|
|
|
/*************************************
|
|
* Function: lo_RegionToLines
|
|
*
|
|
* Description: This function calculates the lines which intersect
|
|
* a front end drawable region. It's used for drawing and in
|
|
* calculating page breaks for printing.
|
|
*
|
|
* Params: Window context, x, y position of upper left corner,
|
|
* and width X height of the rectangle. Also pointers to
|
|
* return values. dontCrop is true if we do not want to draw lines
|
|
* which would be cropped (fall on the top/bottom region boundary).
|
|
* This is for printing.
|
|
*
|
|
* Returns: Sets top and bottom to the lines numbers
|
|
* to display. Sets them to -1 on error.
|
|
*************************************/
|
|
void
|
|
lo_RegionToLines (MWContext *context, lo_DocState *state, int32 x, int32 y,
|
|
uint32 width, uint32 height, Bool dontCrop, int32 * topLine, int32 * bottomLine)
|
|
{
|
|
LO_Element **line_array;
|
|
int32 top, bottom;
|
|
int32 y2;
|
|
int32 topCrop;
|
|
int32 bottomCrop;
|
|
|
|
/*
|
|
Set drawable lines to -1 (assuming error by default)
|
|
*/
|
|
*topLine = -1;
|
|
*bottomLine = -1;
|
|
|
|
/*
|
|
* No document state yet.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* No laid out lines yet.
|
|
*/
|
|
if (state->line_num == 1)
|
|
{
|
|
return;
|
|
}
|
|
|
|
y2 = y + height;
|
|
|
|
top = lo_PointToLine(context, state, x, y);
|
|
bottom = lo_PointToLine(context, state, x, y2);
|
|
|
|
if ( dontCrop )
|
|
{
|
|
XP_LOCK_BLOCK(line_array, LO_Element**, state->line_array );
|
|
|
|
topCrop = line_array[ top ]->lo_any.y;
|
|
bottomCrop = line_array[ bottom ]->lo_any.y + line_array[ bottom ]->lo_any.line_height;
|
|
XP_UNLOCK_BLOCK( state->line_array );
|
|
|
|
if ( y > topCrop )
|
|
{
|
|
top++;
|
|
if ( top > ( state->line_num - 2 ) )
|
|
top = -1;
|
|
}
|
|
if ( y2 < bottomCrop )
|
|
bottom--;
|
|
}
|
|
|
|
/*
|
|
* Sanity check
|
|
*/
|
|
if (bottom < top)
|
|
{
|
|
bottom = top;
|
|
}
|
|
|
|
*topLine = top;
|
|
*bottomLine = bottom;
|
|
}
|
|
|
|
/*
|
|
LO_CalcPrintArea
|
|
|
|
Takes a region and adjusts it inward so that the top and bottom lines
|
|
are not cropped. Results can be passed to LO_RefreshArea to print
|
|
one page. To calculate the next page, use y+height as the next y.
|
|
*/
|
|
intn
|
|
LO_CalcPrintArea (MWContext *context, int32 x, int32 y,
|
|
uint32 width, uint32 height,
|
|
int32 *top, int32 *bottom)
|
|
{
|
|
LO_Element **line_array;
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
int32 lineTop;
|
|
int32 lineBottom;
|
|
|
|
*top = -1;
|
|
*bottom = -1;
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return(0);
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
/*
|
|
Find which lines intersect the drawable region.
|
|
*/
|
|
lo_RegionToLines( context, state, x, y, width, height, TRUE, &lineTop, &lineBottom );
|
|
|
|
if ( lineTop != -1 && lineBottom != -1 )
|
|
{
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array );
|
|
|
|
*top = line_array[ lineTop ]->lo_any.y;
|
|
*bottom = line_array[ lineBottom ]->lo_any.y + line_array[ lineBottom ]->lo_any.line_height - 1;
|
|
|
|
XP_UNLOCK_BLOCK( state->line_array );
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
lo_CloseOutLayout(MWContext *context, lo_DocState *state)
|
|
{
|
|
lo_FlushLineBuffer(context, state);
|
|
|
|
/*
|
|
* makes sure we are at the bottom
|
|
* of everything in the document.
|
|
*
|
|
* Only close forms if we aren't in a subdoc because
|
|
* forms can span subdocs.
|
|
*/
|
|
if ((state->is_a_subdoc == SUBDOC_NOT)&&
|
|
(state->top_state->in_form != FALSE))
|
|
{
|
|
lo_EndForm(context, state);
|
|
}
|
|
|
|
lo_SetLineBreakState( context, state, FALSE, LO_LINEFEED_BREAK_SOFT, 1, FALSE);
|
|
lo_ClearToBothMargins(context, state);
|
|
|
|
/* Dummy Floating elements on a new line at the end of a document were not getting put into
|
|
the line_array. This code should ensure that anything left on the line_list gets flushed
|
|
to the line_array. */
|
|
if (state->line_list != NULL)
|
|
lo_AppendLineListToLineArray( context, state, lo_GetLastElementInList(state->line_list) );
|
|
}
|
|
|
|
/* Relayout version of lo_CloseOutLayout() */
|
|
void lo_EndLayoutDuringReflow( MWContext *context, lo_DocState *state )
|
|
{
|
|
/*
|
|
* makes sure we are at the bottom
|
|
* of everything in the document.
|
|
*
|
|
* Only close forms if we aren't in a subdoc because
|
|
* forms can span subdocs.
|
|
*/
|
|
if ((state->is_a_subdoc == SUBDOC_NOT)&&
|
|
(state->top_state->in_form != FALSE))
|
|
{
|
|
state->top_state->in_form = FALSE;
|
|
}
|
|
|
|
|
|
lo_SetLineBreakState( context, state, FALSE, LO_LINEFEED_BREAK_SOFT, 1, TRUE);
|
|
lo_ClearToBothMargins(context, state);
|
|
}
|
|
|
|
void
|
|
LO_CloseAllTags(MWContext *context)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
lo_DocState *sub_state;
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
/*
|
|
* If we are in a table, get us out.
|
|
*/
|
|
sub_state = lo_CurrentSubState(state);
|
|
while (sub_state != state)
|
|
{
|
|
lo_DocState *old_state;
|
|
|
|
lo_CloseOutTable(context, sub_state);
|
|
old_state = sub_state;
|
|
sub_state = lo_CurrentSubState(state);
|
|
/*
|
|
* If sub_state doesn't change we could be in a loop.
|
|
* break it here.
|
|
*/
|
|
if (sub_state == old_state)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
state->sub_state = NULL;
|
|
|
|
/*
|
|
* First do the normal closing.
|
|
*/
|
|
lo_CloseOutLayout(context, state);
|
|
|
|
/*
|
|
* Reset a bunch of state variables.
|
|
*/
|
|
state->text_divert = P_UNKNOWN;
|
|
state->delay_align = FALSE;
|
|
state->breakable = TRUE;
|
|
state->allow_amp_escapes = TRUE;
|
|
state->preformatted = PRE_TEXT_NO;
|
|
state->preformat_cols = 0;
|
|
state->in_paragraph = FALSE;
|
|
/*
|
|
* clear the alignment stack.
|
|
*/
|
|
while (lo_PopAlignment(state) != NULL) {;}
|
|
/*
|
|
* clear the list stack.
|
|
*/
|
|
while (lo_PopList(state, NULL) != NULL) {;}
|
|
/*
|
|
* clear all open anchors.
|
|
*/
|
|
lo_PopAllAnchors(state);
|
|
/*
|
|
* clear the font stack.
|
|
*/
|
|
while (state->font_stack->next != NULL)
|
|
{
|
|
(void)lo_PopFont(state, P_UNKNOWN);
|
|
}
|
|
state->base_font_size = DEFAULT_BASE_FONT_SIZE;
|
|
state->font_stack->text_attr->size = state->base_font_size;
|
|
state->current_anchor = NULL;
|
|
state->current_ele = NULL;
|
|
state->current_table = NULL;
|
|
state->current_cell = NULL;
|
|
state->current_java = NULL;
|
|
state->current_multicol = NULL;
|
|
state->must_relayout_subdoc = FALSE;
|
|
state->allow_percent_width = TRUE;
|
|
state->allow_percent_height = TRUE;
|
|
state->is_a_subdoc = SUBDOC_NOT;
|
|
state->current_subdoc = 0;
|
|
|
|
/*
|
|
* Escape an open script
|
|
*/
|
|
if (top_state->in_script != SCRIPT_TYPE_NOT)
|
|
{
|
|
top_state->in_script = SCRIPT_TYPE_NOT;
|
|
state->line_buf_len = 0;
|
|
lo_UnblockLayout(context, top_state);
|
|
}
|
|
|
|
/*
|
|
* Reset a few top_state variables.
|
|
*/
|
|
top_state->current_map = NULL;
|
|
top_state->in_nogrids = FALSE;
|
|
top_state->ignore_tag_nest_level = 0;
|
|
top_state->ignore_layer_nest_level = 0;
|
|
top_state->in_applet = FALSE;
|
|
}
|
|
|
|
|
|
void
|
|
lo_free_layout_state_data(MWContext *context, lo_DocState *state)
|
|
{
|
|
/*
|
|
* Short circuit out if the state was freed out from
|
|
* under us.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (state->current_table != NULL)
|
|
{
|
|
lo_FreePartialTable(context, state, state->current_table);
|
|
state->current_table = NULL;
|
|
}
|
|
|
|
if (state->left_margin_stack != NULL)
|
|
{
|
|
lo_MarginStack *mptr;
|
|
lo_MarginStack *margin;
|
|
|
|
mptr = state->left_margin_stack;
|
|
while (mptr != NULL)
|
|
{
|
|
margin = mptr;
|
|
mptr = mptr->next;
|
|
XP_DELETE(margin);
|
|
}
|
|
state->left_margin_stack = NULL;
|
|
}
|
|
if (state->right_margin_stack != NULL)
|
|
{
|
|
lo_MarginStack *mptr;
|
|
lo_MarginStack *margin;
|
|
|
|
mptr = state->right_margin_stack;
|
|
while (mptr != NULL)
|
|
{
|
|
margin = mptr;
|
|
mptr = mptr->next;
|
|
XP_DELETE(margin);
|
|
}
|
|
state->right_margin_stack = NULL;
|
|
}
|
|
|
|
if (state->line_list != NULL)
|
|
{
|
|
LO_Element *eptr;
|
|
LO_Element *element;
|
|
|
|
eptr = state->line_list;
|
|
while (eptr != NULL)
|
|
{
|
|
element = eptr;
|
|
eptr = eptr->lo_any.next;
|
|
lo_FreeElement(context, element, TRUE);
|
|
}
|
|
state->line_list = NULL;
|
|
}
|
|
|
|
if (state->font_stack != NULL)
|
|
{
|
|
lo_FontStack *fstack;
|
|
lo_FontStack *fptr;
|
|
|
|
fptr = state->font_stack;
|
|
while (fptr != NULL)
|
|
{
|
|
fstack = fptr;
|
|
fptr = fptr->next;
|
|
XP_DELETE(fstack);
|
|
}
|
|
state->font_stack = NULL;
|
|
}
|
|
|
|
if (state->align_stack != NULL)
|
|
{
|
|
lo_AlignStack *aptr;
|
|
lo_AlignStack *align;
|
|
|
|
aptr = state->align_stack;
|
|
while (aptr != NULL)
|
|
{
|
|
align = aptr;
|
|
aptr = aptr->next;
|
|
XP_DELETE(align);
|
|
}
|
|
state->align_stack = NULL;
|
|
}
|
|
|
|
if (state->list_stack != NULL)
|
|
{
|
|
lo_ListStack *lptr;
|
|
lo_ListStack *list;
|
|
|
|
lptr = state->list_stack;
|
|
while (lptr != NULL)
|
|
{
|
|
list = lptr;
|
|
lptr = lptr->next;
|
|
XP_DELETE(list);
|
|
}
|
|
state->list_stack = NULL;
|
|
}
|
|
|
|
if (state->line_height_stack != NULL)
|
|
{
|
|
lo_LineHeightStack *lptr;
|
|
lo_LineHeightStack *height;
|
|
|
|
lptr = state->line_height_stack;
|
|
while (lptr != NULL) {
|
|
height = lptr;
|
|
lptr = lptr->next;
|
|
XP_DELETE(height);
|
|
}
|
|
state->line_height_stack = NULL;
|
|
}
|
|
|
|
if (state->line_buf != NULL)
|
|
{
|
|
PA_FREE(state->line_buf);
|
|
state->line_buf = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
/* Clean up the layout data structures. This used to be inside lo_FinishLayout,
|
|
* but we needed to call it from the editor, without all of the UI code that
|
|
* lo_FinishLayout also calls.
|
|
*/
|
|
|
|
void
|
|
lo_FreeLayoutData(MWContext *context, lo_DocState *state)
|
|
{
|
|
int32 i, cnt;
|
|
|
|
/*
|
|
* Clean out the lo_DocState
|
|
*/
|
|
lo_free_layout_state_data(context, state);
|
|
|
|
/*
|
|
* Short circuit out if the state was freed out from
|
|
* under us.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
LO_LockLayout();
|
|
|
|
/*
|
|
* These are tags that were blocked instead of laid out.
|
|
* If there was an image in here, we already started the
|
|
* layout of it, we better free it now.
|
|
*/
|
|
if (state->top_state->tags != NULL)
|
|
{
|
|
PA_Tag *tptr;
|
|
PA_Tag *tag;
|
|
|
|
tptr = state->top_state->tags;
|
|
while (tptr != NULL)
|
|
{
|
|
tag = tptr;
|
|
tptr = tptr->next;
|
|
if (((tag->type == P_IMAGE)||
|
|
(tag->type == P_NEW_IMAGE))&&
|
|
(tag->lo_data != NULL))
|
|
{
|
|
LO_Element *element;
|
|
element = (LO_Element *)tag->lo_data;
|
|
lo_FreeElement(context, element, TRUE);
|
|
tag->lo_data = NULL;
|
|
}
|
|
PA_FreeTag(tag);
|
|
}
|
|
state->top_state->tags = NULL;
|
|
state->top_state->tags_end = &state->top_state->tags;
|
|
for (i = 0; i < MAX_INPUT_WRITE_LEVEL; i++)
|
|
state->top_state->input_write_point[i] = NULL;
|
|
}
|
|
|
|
/*
|
|
* If we were blocked on and image when we left this page, we need to
|
|
* free up that partially loaded image structure.
|
|
*/
|
|
if (state->top_state->layout_blocking_element != NULL)
|
|
{
|
|
LO_Element *element;
|
|
|
|
element = state->top_state->layout_blocking_element;
|
|
lo_FreeElement(context, element, TRUE);
|
|
state->top_state->layout_blocking_element = NULL;
|
|
}
|
|
|
|
/* Delete object stack */
|
|
if (state->top_state->object_stack != NULL)
|
|
{
|
|
lo_ObjectStack* top;
|
|
lo_ObjectStack* object;
|
|
|
|
top = state->top_state->object_stack;
|
|
while (top != NULL)
|
|
{
|
|
object = top;
|
|
top = top->next;
|
|
lo_DeleteObjectStack(object);
|
|
}
|
|
state->top_state->object_stack = NULL;
|
|
}
|
|
|
|
/* Delete object cache */
|
|
if (state->top_state->object_cache != NULL)
|
|
{
|
|
lo_ObjectStack* top;
|
|
lo_ObjectStack* object;
|
|
|
|
top = state->top_state->object_cache;
|
|
while (top != NULL)
|
|
{
|
|
object = top;
|
|
top = top->next;
|
|
lo_DeleteObjectStack(object);
|
|
}
|
|
state->top_state->object_cache = NULL;
|
|
}
|
|
|
|
LO_UnlockLayout();
|
|
|
|
/*
|
|
* now we're done laying out the entire document. we had saved all
|
|
* the layout structures from the previous document so we're throwing
|
|
* away unused ones.
|
|
*/
|
|
cnt = lo_FreeRecycleList(context, state->top_state->recycle_list);
|
|
#ifdef MEMORY_ARENAS
|
|
if (state->top_state->current_arena != NULL)
|
|
{
|
|
cnt = lo_FreeMemoryArena(state->top_state->current_arena->next);
|
|
state->top_state->current_arena->next = NULL;
|
|
}
|
|
#endif /* MEMORY_ARENAS */
|
|
state->top_state->recycle_list = NULL;
|
|
}
|
|
|
|
|
|
void
|
|
lo_CloseMochaWriteStream(lo_TopState *top_state, int mocha_event)
|
|
{
|
|
NET_StreamClass *stream = top_state->mocha_write_stream;
|
|
|
|
if (stream != NULL)
|
|
{
|
|
top_state->mocha_write_stream = NULL;
|
|
if (mocha_event == EVENT_LOAD)
|
|
{
|
|
stream->complete(stream);
|
|
}
|
|
else
|
|
{
|
|
stream->abort(stream, top_state->layout_status);
|
|
}
|
|
XP_DELETE(stream);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void
|
|
lo_FinishLayout_OutOfMemory(MWContext *context, lo_DocState *state)
|
|
{
|
|
lo_TopState *top_state;
|
|
lo_DocState *main_state;
|
|
lo_DocState *sub_state;
|
|
|
|
/* Reset state for force loading images. */
|
|
LO_SetForceLoadImage(NULL, FALSE);
|
|
|
|
/*
|
|
* Short circuit out if the state was freed out from
|
|
* under us.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Check for dangling sub-states, and clean them up if they exist.
|
|
*/
|
|
top_state = state->top_state;
|
|
main_state = top_state->doc_state;
|
|
sub_state = lo_TopSubState(top_state);
|
|
while ((sub_state != NULL)&&(sub_state != main_state))
|
|
{
|
|
state = main_state;
|
|
while ((state != NULL)&&(state->sub_state != sub_state))
|
|
{
|
|
state = state->sub_state;
|
|
}
|
|
if (state != NULL)
|
|
{
|
|
lo_free_layout_state_data(context, sub_state);
|
|
XP_DELETE(sub_state);
|
|
state->sub_state = NULL;
|
|
}
|
|
sub_state = lo_TopSubState(top_state);
|
|
}
|
|
state = lo_TopSubState(top_state);
|
|
|
|
lo_CloseMochaWriteStream(top_state, EVENT_ABORT);
|
|
|
|
/* Could be left over if someone forgets to close a tag */
|
|
if (state->top_state->scriptData)
|
|
lo_DestroyScriptData(state->top_state->scriptData);
|
|
|
|
/*
|
|
* Short circuit out if the state was freed out from
|
|
* under us.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
lo_free_layout_state_data(context, state);
|
|
}
|
|
|
|
|
|
void
|
|
lo_FinishLayout(MWContext *context, lo_DocState *state, int32 mocha_event)
|
|
{
|
|
lo_TopState *top_state;
|
|
lo_DocState *main_state;
|
|
lo_DocState *sub_state;
|
|
|
|
/* Close any layers (blocks) that were opened in this document, in
|
|
case the document author forgot to. */
|
|
if (state != NULL ) {
|
|
if (state->layer_nest_level) {
|
|
while (state->layer_nest_level > 0)
|
|
lo_EndLayer(context, state, PR_TRUE);
|
|
/*
|
|
* This call ensures that we flush the line list (which still might
|
|
* have something on it if we had unclosed ILAYERs).
|
|
*/
|
|
lo_CloseOutLayout(context, state);
|
|
}
|
|
}
|
|
|
|
if ((state != NULL) &&
|
|
(state->top_state != NULL))
|
|
{
|
|
lo_TopState * top_state = state->top_state;
|
|
|
|
/* only finish once, please */
|
|
XP_ASSERT(!top_state->finished);
|
|
if (top_state->finished)
|
|
return;
|
|
|
|
top_state->finished = TRUE;
|
|
lo_CloseMochaWriteStream(top_state, mocha_event);
|
|
|
|
/* Could be left over if someone forgets to close a tag */
|
|
if (top_state->scriptData)
|
|
lo_DestroyScriptData(top_state->scriptData);
|
|
|
|
/* Handle the page background for the case of a document that contains
|
|
no displayed layout elements. */
|
|
if (top_state->nothing_displayed != FALSE)
|
|
lo_use_default_doc_background(context, state);
|
|
}
|
|
|
|
#ifdef LAYPROBE_API
|
|
{
|
|
/* Send a notification when a frame has finished loading */
|
|
XP_List* pList = LAPIGetCallbackFuncList((int32)FRAME_DOCUMENT_COMPLETE);
|
|
|
|
if (pList)
|
|
{
|
|
while (pList = pList->next)
|
|
{
|
|
if (pList->object)
|
|
(*((ID_NOTIFY_PT)(pList->object)))((void*)context);
|
|
}
|
|
}
|
|
}
|
|
#endif /* LAYPROBE_API */
|
|
|
|
ET_SendLoadEvent(context, mocha_event, NULL, NULL,
|
|
LO_DOCUMENT_LAYER_ID,
|
|
(state && state->top_state)
|
|
? state->top_state->resize_reload
|
|
: FALSE);
|
|
|
|
/* Reset state for force loading images. */
|
|
LO_SetForceLoadImage(NULL, FALSE);
|
|
|
|
/*
|
|
* Short circuit out if the state was freed out from
|
|
* under us.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
#if !defined(SMOOTH_PROGRESS)
|
|
FE_SetProgressBarPercent(context, 100);
|
|
#endif /* !defined(SMOOTH_PROGRESS) */
|
|
#ifdef OLD_MSGS
|
|
FE_Progress(context, "Layout Phase Complete");
|
|
#endif /* OLD_MSGS */
|
|
|
|
/* Flush out layer callbacks so that document dimensions are correct. */
|
|
if (context->compositor)
|
|
CL_CompositeNow(context->compositor);
|
|
|
|
FE_FinishedLayout(context);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Check for dangling sub-states, and clean them up if they exist.
|
|
*/
|
|
top_state = state->top_state;
|
|
main_state = top_state->doc_state;
|
|
sub_state = lo_TopSubState(top_state);
|
|
while ((sub_state != NULL)&&(sub_state != main_state))
|
|
{
|
|
state = main_state;
|
|
while ((state != NULL)&&(state->sub_state != sub_state))
|
|
{
|
|
state = state->sub_state;
|
|
}
|
|
if (state != NULL)
|
|
{
|
|
lo_free_layout_state_data(context, sub_state);
|
|
XP_DELETE(sub_state);
|
|
state->sub_state = NULL;
|
|
}
|
|
sub_state = lo_TopSubState(top_state);
|
|
}
|
|
state = lo_TopSubState(top_state);
|
|
|
|
/*
|
|
* Short circuit out if the state was freed out from
|
|
* under us.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
#if !defined(SMOOTH_PROGRESS)
|
|
FE_SetProgressBarPercent(context, 100);
|
|
#endif /* !defined(SMOOTH_PROGRESS) */
|
|
#ifdef OLD_MSGS
|
|
FE_Progress(context, "Layout Phase Complete");
|
|
#endif /* OLD_MSGS */
|
|
|
|
/* Flush out layer callbacks so that document dimensions are correct. */
|
|
if (context->compositor)
|
|
CL_CompositeNow(context->compositor);
|
|
|
|
FE_FinishedLayout(context);
|
|
return;
|
|
}
|
|
|
|
lo_FreeLayoutData(context, state);
|
|
|
|
if (state->display_blocked != FALSE)
|
|
{
|
|
int32 y;
|
|
|
|
if (state->top_state->name_target != NULL)
|
|
{
|
|
XP_FREE(state->top_state->name_target);
|
|
state->top_state->name_target = NULL;
|
|
}
|
|
state->display_blocking_element_id = 0;
|
|
state->display_blocked = FALSE;
|
|
y = state->display_blocking_element_y;
|
|
state->display_blocking_element_y = 0;
|
|
state->y += state->win_bottom;
|
|
|
|
LO_SetDocumentDimensions(context, state->max_width, state->y);
|
|
|
|
if (y != state->win_top)
|
|
{
|
|
y = state->y - state->win_height;
|
|
if (y < 0)
|
|
{
|
|
y = 0;
|
|
}
|
|
}
|
|
FE_SetDocPosition(context, FE_VIEW, 0, y);
|
|
|
|
if (context->compositor)
|
|
{
|
|
XP_Rect rect;
|
|
|
|
rect.left = 0;
|
|
rect.top = y;
|
|
rect.right = state->win_width;
|
|
rect.bottom = y + state->win_height;
|
|
CL_UpdateDocumentRect(context->compositor,
|
|
&rect, (PRBool)FALSE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
state->y += state->win_bottom;
|
|
LO_SetDocumentDimensions(context, state->max_width, state->y);
|
|
}
|
|
|
|
/* get rid of the style stack data since it wont
|
|
* be needed any more
|
|
*/
|
|
if(top_state->style_stack)
|
|
{
|
|
/* LJM: Need to purge stack to free memory
|
|
*/
|
|
STYLESTACK_Purge(top_state->style_stack);
|
|
}
|
|
|
|
#if !defined(SMOOTH_PROGRESS)
|
|
if(!state->top_state->is_binary)
|
|
FE_SetProgressBarPercent(context, 100);
|
|
#endif /* !defined(SMOOTH_PROGRESS) */
|
|
|
|
#ifdef OLD_MSGS
|
|
FE_Progress(context, "Layout Phase Complete");
|
|
#endif /* OLD_MSGS */
|
|
|
|
/* Flush out layer callbacks so that document dimensions are correct. */
|
|
if (context->compositor)
|
|
CL_CompositeNow(context->compositor);
|
|
|
|
if (state->is_a_subdoc == SUBDOC_NOT && state->top_state && !state->top_state->have_title)
|
|
{
|
|
/* We never got a title. We better notify the FE that the title is blank */
|
|
|
|
FE_SetDocTitle(context, "");
|
|
}
|
|
|
|
FE_FinishedLayout(context);
|
|
#ifdef EDITOR
|
|
if (EDT_IS_EDITOR (context))
|
|
EDT_FinishedLayout(context);
|
|
#endif
|
|
|
|
/*
|
|
* Update the blink layers to reflect the current positions of their
|
|
* associated text elements.
|
|
*/
|
|
if (context->compositor)
|
|
lo_UpdateBlinkLayers(context);
|
|
|
|
if (top_state && top_state->metaTags)
|
|
{
|
|
/* Tell RDF HT code that layout of the current document is complete */
|
|
HT_LayoutComplete( context, top_state->metaTags, top_state->url );
|
|
|
|
/* Free the meta tag list */
|
|
lo_FreeTagList( top_state->metaTags );
|
|
top_state->metaTags = NULL;
|
|
}
|
|
|
|
/* Prefetch links of this context */
|
|
PRE_Fetch(context);
|
|
}
|
|
|
|
|
|
static void lo_FreeTagList( TagList *tags )
|
|
{
|
|
if (tags != NULL && tags->tagList != NULL)
|
|
{
|
|
PA_Tag *tag;
|
|
PA_Tag *next_tag;
|
|
|
|
tag = tags->tagList;
|
|
do
|
|
{
|
|
next_tag = tag->next;
|
|
PA_FreeTag( tag );
|
|
tag = next_tag;
|
|
|
|
} while ( tag != NULL );
|
|
XP_FREE( tags );
|
|
}
|
|
}
|
|
/*******************************************************************************
|
|
* LO_ProcessTag helper routines
|
|
******************************************************************************/
|
|
|
|
#ifdef MEMORY_ARENAS
|
|
void
|
|
lo_GetRecycleList(MWContext* context, int32 doc_id, pa_DocData* doc_data,
|
|
LO_Element* *recycle_list, lo_arena* *old_arena)
|
|
#else
|
|
void
|
|
lo_GetRecycleList(MWContext* context, int32 doc_id, pa_DocData* doc_data,
|
|
LO_Element* *recycle_list)
|
|
#endif /* MEMORY_ARENAS */
|
|
{
|
|
lo_TopState* old_top_state;
|
|
lo_DocState* old_state;
|
|
|
|
LO_LockLayout();
|
|
|
|
/*
|
|
* Free up any old document displayed in this
|
|
* window.
|
|
*/
|
|
old_top_state = lo_FetchTopState(XP_DOCID(context));
|
|
if (old_top_state == NULL)
|
|
{
|
|
old_state = NULL;
|
|
}
|
|
else
|
|
{
|
|
old_state = old_top_state->doc_state;
|
|
}
|
|
if (old_state != NULL)
|
|
{
|
|
#ifdef MEMORY_ARENAS
|
|
*old_arena = old_top_state->first_arena;
|
|
#endif /* MEMORY_ARENAS */
|
|
lo_SaveFormElementState(context, old_state, TRUE);
|
|
/*
|
|
* If this document has no session history
|
|
* there is no place to save this data.
|
|
* It will be freed by history cleanup.
|
|
*/
|
|
if (SHIST_GetCurrent(&context->hist) == NULL)
|
|
{
|
|
lo_TopState *top_state = old_state->top_state;
|
|
top_state->savedData.FormList = NULL;
|
|
top_state->savedData.EmbedList = NULL;
|
|
top_state->savedData.Grid = NULL;
|
|
}
|
|
*recycle_list =
|
|
lo_InternalDiscardDocument(context, old_state, doc_data, TRUE);
|
|
}
|
|
|
|
/* Now that we've discarded the old document, set the new doc_id. */
|
|
XP_SET_DOCID(context, doc_id);
|
|
LO_UnlockLayout();
|
|
|
|
}
|
|
|
|
intn
|
|
lo_ProcessTag_OutOfMemory(MWContext* context, LO_Element* recycle_list, lo_TopState* top_state)
|
|
{
|
|
int32 cnt;
|
|
|
|
if ((top_state != NULL)&&(top_state->doc_state != NULL))
|
|
{
|
|
lo_FinishLayout_OutOfMemory(context, top_state->doc_state);
|
|
}
|
|
|
|
cnt = lo_FreeRecycleList(context, recycle_list);
|
|
|
|
#ifdef MEMORY_ARENAS
|
|
if ((top_state != NULL)&&(top_state->first_arena != NULL))
|
|
{
|
|
cnt = lo_FreeMemoryArena(top_state->first_arena->next);
|
|
top_state->first_arena->next = NULL;
|
|
}
|
|
#endif /* MEMORY_ARENAS */
|
|
|
|
return MK_OUT_OF_MEMORY;
|
|
}
|
|
|
|
#define RESTORE_SAVED_DATA(Type, var, doc_data, recycle_list, top_state) \
|
|
{ \
|
|
var = (lo_Saved##Type##Data *) \
|
|
(doc_data->url_struct->savedData.Type); \
|
|
if (var == NULL) \
|
|
{ \
|
|
/* \
|
|
* A document we have never visited, insert a pointer \
|
|
* to a form list into its history, if it has one. \
|
|
*/ \
|
|
var = lo_NewDocument##Type##Data(); \
|
|
if (SHIST_GetCurrent(&context->hist) != NULL) \
|
|
{ \
|
|
SHIST_SetCurrentDoc##Type##Data(context, (void *)var); \
|
|
} \
|
|
/* \
|
|
* Stuff it in the url_struct as well for \
|
|
* continuous loading documents. \
|
|
*/ \
|
|
doc_data->url_struct->savedData.Type = (void *)var; \
|
|
} \
|
|
else if (doc_data->from_net != FALSE) \
|
|
{ \
|
|
lo_FreeDocument##Type##Data(context, var); \
|
|
} \
|
|
\
|
|
/* \
|
|
* If we don't have a form list, something very bad \
|
|
* has happened. Like we are out of memory. \
|
|
*/ \
|
|
if (var == NULL) \
|
|
return lo_ProcessTag_OutOfMemory(context, recycle_list, top_state); \
|
|
\
|
|
top_state->savedData.Type = var; \
|
|
}
|
|
|
|
/****************************************************************************
|
|
****************************************************************************
|
|
**
|
|
** Beginning of Public Utility Functions
|
|
**
|
|
****************************************************************************
|
|
****************************************************************************/
|
|
|
|
|
|
static void *hooked_data_object = NULL;
|
|
static intn hooked_status = 0;
|
|
static PA_Tag *hooked_tag = NULL;
|
|
|
|
#ifdef DOM
|
|
char *element_names[] = {
|
|
"NONE",
|
|
"TEXT",
|
|
"LINEFEED",
|
|
"HRULE",
|
|
"IMAGE",
|
|
"BULLET",
|
|
"FORM_ELE",
|
|
"SUBDOC",
|
|
"TABLE",
|
|
"CELL",
|
|
"EMBED",
|
|
"EDGE",
|
|
"JAVA",
|
|
"SCRIPT",
|
|
"OBJECT",
|
|
"PARAGRAPH",
|
|
"CENTER",
|
|
"MULTICOL",
|
|
"FLOAT",
|
|
"TEXTBLOCK",
|
|
"LIST",
|
|
"DESCTITLE",
|
|
"DESCTEXT",
|
|
"BLOCKQUOTE",
|
|
"LAYER",
|
|
"HEADING",
|
|
"SPAN",
|
|
"BUILTIN",
|
|
"SPACER",
|
|
"SUPER",
|
|
"SUB"
|
|
};
|
|
|
|
static void
|
|
DumpNodeElements(DOM_Node *node)
|
|
{
|
|
#ifdef DEBUG_shaver
|
|
LO_Element *eptr;
|
|
if (node->type != NODE_TYPE_ELEMENT &&
|
|
node->type != NODE_TYPE_TEXT)
|
|
return;
|
|
fprintf(stderr, "%s %s elements:",
|
|
PA_TagString(ELEMENT_PRIV(node)->tagtype),
|
|
node->name ? node->name : "");
|
|
if (ELEMENT_PRIV(node)->tagtype == P_TABLE_ROW ||
|
|
ELEMENT_PRIV(node)->tagtype == P_TABLE_DATA) {
|
|
fprintf(stderr, " <NOT REALLY AN ELEMENT>\n");
|
|
return;
|
|
}
|
|
eptr = ELEMENT_PRIV(node)->ele_start;
|
|
if (!eptr) {
|
|
fprintf(stderr, " <none> (SHOULD REMOVE FROM TREE!)\n");
|
|
return;
|
|
}
|
|
while (eptr && eptr != ELEMENT_PRIV(node)->ele_end) {
|
|
fprintf(stderr, " %s", element_names[eptr->type]);
|
|
eptr = eptr->lo_any.next;
|
|
}
|
|
if (eptr)
|
|
fprintf(stderr, " %s", element_names[eptr->type]);
|
|
fprintf(stderr, "\n");
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
/*************************************
|
|
* Function: LO_ProcessTag
|
|
*
|
|
* Description: This function is the main layout entry point.
|
|
* New tags or tag lists are sent here along with the
|
|
* status as to where they came from.
|
|
*
|
|
* Params: A blank data object from the parser, right now it
|
|
* is parse document data. The tag or list of tags to process.
|
|
* and a status field as to why it came.
|
|
*
|
|
* Returns: 1 - Done ok, continuing.
|
|
* 0 - Done ok, stopping.
|
|
* -1 - not done, error.
|
|
*************************************/
|
|
intn
|
|
LO_ProcessTag(void *data_object, PA_Tag *tag, intn status)
|
|
{
|
|
pa_DocData *doc_data;
|
|
int32 doc_id;
|
|
MWContext *context;
|
|
CL_Layer *doc_layer = NULL, *body_layer = NULL;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
lo_DocState *orig_state;
|
|
lo_DocState *up_state;
|
|
#ifdef DOM
|
|
DOM_Node *last_node;
|
|
#endif
|
|
|
|
/*
|
|
* If this call came from a hook feed
|
|
*/
|
|
if (hooked_data_object != NULL)
|
|
{
|
|
data_object = hooked_data_object;
|
|
status = hooked_status;
|
|
/*
|
|
* Ignore hooked calls with no tags.
|
|
*/
|
|
if (tag == NULL)
|
|
{
|
|
return(1);
|
|
}
|
|
if (hooked_tag != NULL)
|
|
{
|
|
tag->newline_count += hooked_tag->newline_count;
|
|
}
|
|
}
|
|
|
|
doc_data = (pa_DocData *)data_object;
|
|
doc_id = doc_data->doc_id;
|
|
top_state = (lo_TopState *)(doc_data->layout_state);
|
|
|
|
/*
|
|
* If this is an "inline" stream and we don't have a top_state
|
|
* associated with it, it's targetted at a layer in
|
|
* the current document. In this case, we need to get the
|
|
* top_state using the context and not directly from the doc_data.
|
|
*/
|
|
if ((top_state == NULL) && (doc_data->is_inline_stream == TRUE)) {
|
|
top_state = lo_FetchTopState(doc_id);
|
|
doc_data->layout_state = top_state;
|
|
if (top_state) {
|
|
top_state->doc_data = doc_data;
|
|
top_state->nurl = doc_data->url_struct;
|
|
}
|
|
}
|
|
|
|
|
|
if (top_state == NULL)
|
|
{
|
|
state = NULL;
|
|
}
|
|
else
|
|
{
|
|
state = top_state->doc_state;
|
|
}
|
|
context = doc_data->window_id;
|
|
|
|
/*
|
|
* if we get called with abort/complete then ignore oom condition
|
|
* and clean up
|
|
*/
|
|
if ((state != NULL)&&(state->top_state != NULL)&&
|
|
(state->top_state->out_of_memory != FALSE)&&(tag != NULL))
|
|
{
|
|
lo_FinishLayout_OutOfMemory(context, state);
|
|
return(MK_OUT_OF_MEMORY);
|
|
}
|
|
|
|
if ((tag != NULL)&&(context != NULL)&&(hooked_data_object == NULL)&&
|
|
(HK_IsHook(HK_TAG, (void *)tag)))
|
|
{
|
|
char *tptr;
|
|
char *in_str;
|
|
char *out_str;
|
|
XP_Bool delete_tag;
|
|
XP_Bool replace_tag;
|
|
|
|
out_str = NULL;
|
|
delete_tag = FALSE;
|
|
replace_tag = FALSE;
|
|
if (tag->type == P_TEXT)
|
|
{
|
|
PA_LOCK (tptr, char *, tag->data);
|
|
in_str = XP_ALLOC(tag->data_len + 1);
|
|
if (in_str == NULL)
|
|
{
|
|
return(MK_OUT_OF_MEMORY);
|
|
}
|
|
XP_BCOPY(tptr, in_str, tag->data_len);
|
|
in_str[tag->data_len] = '\0';
|
|
PA_UNLOCK(tag->data);
|
|
}
|
|
else if (tag->type == P_UNKNOWN)
|
|
{
|
|
int32 start;
|
|
|
|
PA_LOCK (tptr, char *, tag->data);
|
|
in_str = XP_ALLOC(tag->data_len + 3);
|
|
if (in_str == NULL)
|
|
{
|
|
return(MK_OUT_OF_MEMORY);
|
|
}
|
|
in_str[0] = '<';
|
|
start = 1;
|
|
if (tag->is_end != FALSE)
|
|
{
|
|
in_str[1] = '/';
|
|
start = 2;
|
|
}
|
|
XP_BCOPY(tptr, (char *)(in_str + start), tag->data_len);
|
|
in_str[tag->data_len + start] = '\0';
|
|
PA_UNLOCK(tag->data);
|
|
}
|
|
else
|
|
{
|
|
XP_Bool free_tag_str;
|
|
const char *tag_str;
|
|
int32 start;
|
|
|
|
free_tag_str = FALSE;
|
|
tag_str = PA_TagString((int32)tag->type);
|
|
if (tag_str == NULL)
|
|
{
|
|
tag_str = XP_STRDUP("UNKNOWN");
|
|
if (tag_str == NULL)
|
|
{
|
|
return(MK_OUT_OF_MEMORY);
|
|
}
|
|
free_tag_str = TRUE;
|
|
}
|
|
start = XP_STRLEN(tag_str);
|
|
|
|
PA_LOCK (tptr, char *, tag->data);
|
|
in_str = XP_ALLOC(tag->data_len + start + 3);
|
|
if (in_str == NULL)
|
|
{
|
|
if (free_tag_str != FALSE)
|
|
{
|
|
XP_FREE((char *)tag_str);
|
|
}
|
|
return(MK_OUT_OF_MEMORY);
|
|
}
|
|
in_str[0] = '<';
|
|
in_str[1] = '\0';
|
|
start += 1;
|
|
if (tag->is_end != FALSE)
|
|
{
|
|
in_str[1] = '/';
|
|
in_str[2] = '\0';
|
|
start += 1;
|
|
}
|
|
XP_STRCAT(in_str, tag_str);
|
|
XP_BCOPY(tptr, (char *)(in_str + start), tag->data_len);
|
|
in_str[tag->data_len + start] = '\0';
|
|
PA_UNLOCK(tag->data);
|
|
if (free_tag_str != FALSE)
|
|
{
|
|
XP_FREE((char *)tag_str);
|
|
}
|
|
}
|
|
if (HK_CallHook(HK_TAG, (void *)tag, XP_CONTEXTID(context),
|
|
in_str, &out_str))
|
|
{
|
|
/*
|
|
* out_str of NULL means change nothing.
|
|
* Returning the same string passed in also
|
|
* changes nothing.
|
|
*/
|
|
if ((out_str != NULL)&&(out_str[0] == '\0'))
|
|
{
|
|
delete_tag = TRUE;
|
|
}
|
|
else if ((out_str != NULL)&&
|
|
(XP_STRCMP(in_str, out_str) != 0))
|
|
{
|
|
replace_tag = TRUE;
|
|
}
|
|
}
|
|
XP_FREE(in_str);
|
|
|
|
if (delete_tag != FALSE)
|
|
{
|
|
PA_FreeTag(tag);
|
|
tag = NULL;
|
|
XP_FREE(out_str);
|
|
return(1);
|
|
}
|
|
else if (replace_tag != FALSE)
|
|
{
|
|
intn ok;
|
|
|
|
hooked_data_object = data_object;
|
|
hooked_status = status;
|
|
hooked_tag = tag;
|
|
|
|
ok = PA_ParseStringToTags(context,
|
|
out_str, XP_STRLEN(out_str),
|
|
(void *)LO_ProcessTag);
|
|
|
|
hooked_data_object = NULL;
|
|
|
|
/*
|
|
* This tag has been replaced, and never happened.
|
|
*/
|
|
if (ok)
|
|
{
|
|
PA_FreeTag(tag);
|
|
tag = NULL;
|
|
XP_FREE(out_str);
|
|
return(1);
|
|
}
|
|
}
|
|
if (out_str != NULL)
|
|
{
|
|
XP_FREE(out_str);
|
|
}
|
|
}
|
|
|
|
/*
|
|
Test to see if this is a new stream.
|
|
If it is, kill the old one (NET_InterruptStream(url)),
|
|
free its data, and continue.
|
|
*/
|
|
if (!state) { /* this is a new document being laid out */
|
|
/* is there already a state for this context? */
|
|
lo_TopState *top_state;
|
|
lo_DocState *old_state;
|
|
|
|
/* initialize PICS */
|
|
PICS_Init(context);
|
|
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if (top_state == NULL)
|
|
{
|
|
old_state = NULL;
|
|
}
|
|
else
|
|
{
|
|
old_state = top_state->doc_state;
|
|
}
|
|
|
|
if (old_state) {
|
|
if (top_state->nurl) { /* is it still running? */
|
|
/* ALEKS NET_InterruptStream (top_state->nurl); */
|
|
/* We've done a complete "cancel" now. We shouldn't need to do any more
|
|
work; we'll find this "old state" again and recycle it */
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* We be done.
|
|
*/
|
|
if (tag == NULL)
|
|
{
|
|
/*
|
|
* If this is an inline stream that is not the result of a
|
|
* dynamic layer src change, then don't do anything. The
|
|
* layer will be closed out by the closing </LAYER> tag
|
|
*/
|
|
if (doc_data && doc_data->is_inline_stream && (!state ||
|
|
(lo_InsideLayer(state) && !lo_IsCurrentLayerDynamic(state))))
|
|
return 0;
|
|
|
|
if (context->compositor)
|
|
CL_SetCompositorEnabled(context->compositor, PR_TRUE);
|
|
|
|
if (status == PA_ABORT)
|
|
{
|
|
#ifdef OLD_MSGS
|
|
FE_Progress (context, "Document Load Aborted");
|
|
#endif /* OLD_MSGS */
|
|
lo_process_deferred_image_info(NULL);
|
|
if (state != NULL)
|
|
{
|
|
state->top_state->layout_status = status;
|
|
}
|
|
/*
|
|
* If this is an inline stream (the result of a dynamic
|
|
* layer src change) close out the layer.
|
|
*/
|
|
if (doc_data && doc_data->is_inline_stream)
|
|
lo_FinishLayerLayout(context, state, EVENT_ABORT);
|
|
else
|
|
lo_FinishLayout(context, state, EVENT_ABORT);
|
|
}
|
|
else if (status == PA_COMPLETE)
|
|
{
|
|
orig_state = state;
|
|
state = lo_CurrentSubState(state);
|
|
|
|
/*
|
|
* If this is an inline stream (the result of a dynamic
|
|
* layer src change) close out the layer.
|
|
*/
|
|
if (doc_data && doc_data->is_inline_stream)
|
|
lo_FinishLayerLayout(context, state, EVENT_LOAD);
|
|
else
|
|
/*
|
|
* IF the document is complete, we need to flush
|
|
* out any remaining unfinished elements.
|
|
*/
|
|
if (state != NULL)
|
|
{
|
|
state->top_state->total_bytes = state->top_state->current_bytes;
|
|
|
|
if (state->top_state->layout_blocking_element != NULL)
|
|
{
|
|
#ifdef OLD_MSGS
|
|
FE_Progress(context, "Layout Phase Complete but Blocked");
|
|
#endif /* OLD_MSGS */
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* makes sure we are at the bottom
|
|
* of everything in the document.
|
|
*/
|
|
lo_CloseOutLayout(context, state);
|
|
|
|
#ifdef OLD_MSGS
|
|
FE_Progress(context, "Layout Phase Complete");
|
|
#endif /* OLD_MSGS */
|
|
|
|
lo_FinishLayout(context, state, EVENT_LOAD);
|
|
TIMING_STOPCLOCK_OBJECT("lo:doc", doc_id, context, "ok");
|
|
}
|
|
orig_state->top_state->layout_status = status;
|
|
}
|
|
else
|
|
{
|
|
LO_Element *recycle_list = NULL;
|
|
int32 cnt;
|
|
int32 width, height;
|
|
int32 margin_width, margin_height;
|
|
#ifdef MEMORY_ARENAS
|
|
lo_arena *old_arena = NULL;
|
|
|
|
lo_GetRecycleList(context, doc_id, doc_data,
|
|
&recycle_list, &old_arena);
|
|
#else
|
|
lo_GetRecycleList(context, doc_id, doc_data,
|
|
&recycle_list);
|
|
#endif /* MEMORY_ARENAS */
|
|
margin_width = 0;
|
|
margin_height = 0;
|
|
|
|
/* Because Mocha is in a separate thread, the
|
|
complete destruction of contexts is deferred until
|
|
Mocha cleans up its data structures. (See
|
|
ET_RemoveWindowContext()). If this context was
|
|
previously a frameset context, it may still have grid
|
|
children that haven't been deleted yet. Pull them
|
|
off the grid_children list so that we don't mistakenly
|
|
conclude that this context is a frameset context. */
|
|
if (context->grid_children) {
|
|
XP_ListDestroy (context->grid_children);
|
|
context->grid_children = 0;
|
|
}
|
|
FE_LayoutNewDocument(context,
|
|
doc_data->url_struct,
|
|
&width, &height,
|
|
&margin_width,
|
|
&margin_height);
|
|
|
|
if(context && doc_data && doc_data->url_struct) {
|
|
/* Tell XP NavCenter API about the new document.
|
|
*/
|
|
XP_SetNavCenterUrl(context, doc_data->url_struct->address);
|
|
}
|
|
|
|
/* see first lo_FreeRecycleList comment. safe */
|
|
cnt = lo_FreeRecycleList(context, recycle_list);
|
|
#ifdef MEMORY_ARENAS
|
|
cnt = lo_FreeMemoryArena(old_arena);
|
|
#endif /* MEMORY_ARENAS */
|
|
|
|
FE_SetDocPosition(context, FE_VIEW, 0, 0);
|
|
FE_SetDocDimension(context, FE_VIEW, 1, 1);
|
|
|
|
#ifdef OLD_MSGS
|
|
FE_Progress(context, "Layout Phase Complete");
|
|
#endif /* OLD_MSGS */
|
|
lo_FinishLayout(context, state, EVENT_LOAD);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Since lo_FinishLayout make have caused state to be
|
|
* freed if it was a dangling sub_state, we need to
|
|
* reinitialize state here so it is safe to use it.
|
|
*/
|
|
state = lo_TopSubState(top_state);
|
|
|
|
if (state != NULL)
|
|
{
|
|
/* done with netlib stream */
|
|
state->top_state->nurl = NULL;
|
|
state->top_state->doc_data = NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
* Make sure we are done with all images now.
|
|
*/
|
|
lo_NoMoreImages(context);
|
|
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* Check if this is a new document being laid out
|
|
*/
|
|
if (top_state == NULL)
|
|
{
|
|
int32 width, height;
|
|
int32 margin_width, margin_height;
|
|
lo_SavedFormListData *form_list;
|
|
lo_SavedEmbedListData *embed_list;
|
|
lo_SavedGridData *grid_data;
|
|
LO_Element *recycle_list = NULL;
|
|
int32 start_element;
|
|
|
|
#ifdef MEMORY_ARENAS
|
|
lo_arena *old_arena = NULL;
|
|
|
|
lo_GetRecycleList(context, doc_id, doc_data, &recycle_list, &old_arena); /* whh */
|
|
#else
|
|
lo_GetRecycleList(context, doc_id, doc_data, &recycle_list); /* whh */
|
|
#endif /* MEMORY_ARENAS */
|
|
|
|
TIMING_STARTCLOCK_OBJECT("lo:blank", context);
|
|
TIMING_STARTCLOCK_OBJECT("lo:doc", doc_id);
|
|
|
|
#ifdef LOCAL_DEBUG
|
|
XP_TRACE(("Initializing new doc %d\n", doc_id));
|
|
#endif /* DEBUG */
|
|
width = 1;
|
|
height = 1;
|
|
margin_width = 0;
|
|
margin_height = 0;
|
|
/*
|
|
* Grid cells can set their own margin dimensions.
|
|
*/
|
|
if (context->is_grid_cell != FALSE)
|
|
{
|
|
lo_GetGridCellMargins(context,
|
|
&margin_width, &margin_height);
|
|
}
|
|
|
|
/* Because Mocha is in a separate thread, the complete
|
|
destruction of contexts is deferred until Mocha cleans up
|
|
its data structures. (See ET_RemoveWindowContext()). If
|
|
this context was previously a frameset context, it may
|
|
still have grid children that haven't been deleted yet.
|
|
Pull them off the grid_children list so that we don't
|
|
mistakenly conclude that this context is a frameset
|
|
context. */
|
|
if (context->grid_children) {
|
|
XP_ListDestroy (context->grid_children);
|
|
context->grid_children = 0;
|
|
}
|
|
FE_LayoutNewDocument(context, doc_data->url_struct,
|
|
&width, &height, &margin_width, &margin_height);
|
|
|
|
if(context && doc_data && doc_data->url_struct) {
|
|
/* Tell XP NavCenter API about the new document.
|
|
*/
|
|
XP_SetNavCenterUrl(context, doc_data->url_struct->address);
|
|
}
|
|
|
|
if (context->compositor) {
|
|
lo_CreateDefaultLayers(context, &doc_layer, &body_layer);
|
|
CL_ScrollCompositorWindow(context->compositor, 0, 0);
|
|
|
|
/* Instead of enabling the compositor here, we do so at
|
|
the end of layout so that perceived performance increases
|
|
because blank page time is reduced. */
|
|
/* CL_SetCompositorEnabled(context->compositor, PR_TRUE); */
|
|
}
|
|
|
|
top_state = lo_NewTopState(context, doc_data->url);
|
|
if ((context->compositor && (!doc_layer || !body_layer)) ||
|
|
top_state == NULL)
|
|
{
|
|
#ifdef MEMORY_ARENAS
|
|
if (old_arena != NULL)
|
|
{
|
|
int32 cnt;
|
|
|
|
cnt = lo_FreeMemoryArena(old_arena);
|
|
}
|
|
#endif /* MEMORY_ARENAS */
|
|
return lo_ProcessTag_OutOfMemory(context, recycle_list, top_state);
|
|
}
|
|
#ifdef MEMORY_ARENAS
|
|
if ( ! EDT_IS_EDITOR(context) ) {
|
|
top_state->first_arena->next = old_arena;
|
|
}
|
|
#endif /* MEMORY_ARENAS */
|
|
|
|
/* take a special hacks from URL_Struct */
|
|
top_state->auto_scroll =(intn)doc_data->url_struct->auto_scroll;
|
|
top_state->is_binary = doc_data->url_struct->is_binary;
|
|
/*
|
|
* Security dialogs only for FO_PRESENT docs.
|
|
*/
|
|
if (CLEAR_CACHE_BIT(doc_data->format_out) == FO_PRESENT)
|
|
{
|
|
top_state->security_level =
|
|
doc_data->url_struct->security_on;
|
|
}
|
|
else
|
|
{
|
|
top_state->security_level = 0;
|
|
}
|
|
top_state->doc_layer = doc_layer;
|
|
top_state->body_layer = body_layer;
|
|
top_state->force_reload = doc_data->url_struct->force_reload;
|
|
top_state->nurl = doc_data->url_struct;
|
|
top_state->total_bytes = doc_data->url_struct->content_length;
|
|
top_state->doc_data = doc_data;
|
|
top_state->resize_reload = doc_data->url_struct->resize_reload;
|
|
|
|
if (top_state->auto_scroll != 0)
|
|
{
|
|
top_state->scrolling_doc = TRUE;
|
|
if (top_state->auto_scroll < 1)
|
|
{
|
|
top_state->auto_scroll = 1;
|
|
}
|
|
if (top_state->auto_scroll > 1000)
|
|
{
|
|
top_state->auto_scroll = 1000;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* give the parser a pointer to the layout data so we can
|
|
* get to it next time
|
|
*/
|
|
doc_data->layout_state = top_state;
|
|
|
|
/*
|
|
* Add this new top state to the global state list.
|
|
*/
|
|
if (lo_StoreTopState(doc_id, top_state) == FALSE)
|
|
{
|
|
return lo_ProcessTag_OutOfMemory(context, recycle_list,
|
|
top_state);
|
|
}
|
|
|
|
#ifdef EDITOR
|
|
/* LTNOTE: maybe this should be passed into New_Layout.
|
|
* For now, it is not.
|
|
*/
|
|
top_state->edit_buffer = doc_data->edit_buffer;
|
|
#endif
|
|
state = lo_NewLayout(context, width, height,
|
|
margin_width, margin_height, NULL);
|
|
if (state == NULL)
|
|
return lo_ProcessTag_OutOfMemory(context, recycle_list, top_state);
|
|
top_state->doc_state = state;
|
|
|
|
/* The DOCUMENT layer's height is always the height of the
|
|
window, at least for the purpose of computing percentage
|
|
heights in child layers. */
|
|
top_state->layers[LO_DOCUMENT_LAYER_ID]->height =
|
|
state->win_top + state->win_height + state->win_bottom;
|
|
|
|
/* Reset the scoping for any JavaScript to be the top-level layer. */
|
|
ET_SetActiveLayer(context, LO_DOCUMENT_LAYER_ID);
|
|
|
|
/* RESTORE style stack
|
|
*/
|
|
if(top_state->resize_reload)
|
|
{
|
|
History_entry *he = SHIST_GetCurrent(&context->hist);
|
|
if (he)
|
|
{
|
|
if(he->savedData.style_stack)
|
|
{
|
|
if(top_state->style_stack)
|
|
STYLESTACK_Delete(top_state->style_stack);
|
|
top_state->style_stack = he->savedData.style_stack;
|
|
he->savedData.style_stack = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Take care of forms.
|
|
* If we have been here before, we can pull the old form
|
|
* data out of the URL_Struct. It may be invalid if the
|
|
* form was interrupted.
|
|
*/
|
|
RESTORE_SAVED_DATA(FormList, form_list, doc_data, recycle_list, top_state);
|
|
if (!form_list->valid)
|
|
lo_FreeDocumentFormListData(context, form_list);
|
|
form_list->data_index = 0;
|
|
|
|
/*
|
|
* Take care of embeds.
|
|
* If we have been here before, we can pull the old embed
|
|
* data out of the URL_Struct.
|
|
*/
|
|
RESTORE_SAVED_DATA(EmbedList, embed_list, doc_data, recycle_list, top_state);
|
|
|
|
/*
|
|
* Take care of saved grid data.
|
|
* If we have been here before, we can pull the old
|
|
* grid data out of the URL_Struct.
|
|
*/
|
|
RESTORE_SAVED_DATA(Grid, grid_data, doc_data, recycle_list, top_state);
|
|
|
|
/* XXX just in case a grid had onLoad or onUnload handlers */
|
|
if (!doc_data->url_struct->resize_reload)
|
|
{
|
|
lo_RestoreContextEventHandlers(context, state, tag,
|
|
&doc_data->url_struct->savedData);
|
|
}
|
|
|
|
top_state->recycle_list = recycle_list;
|
|
|
|
if (state->top_state->name_target != NULL)
|
|
{
|
|
state->display_blocking_element_id = -1;
|
|
}
|
|
|
|
start_element = doc_data->url_struct->position_tag;
|
|
if (start_element == 1)
|
|
{
|
|
start_element = 0;
|
|
}
|
|
|
|
if (start_element > 0)
|
|
{
|
|
state->display_blocking_element_id = start_element;
|
|
}
|
|
|
|
if ((state->display_blocking_element_id > state->top_state->element_id)||
|
|
(state->display_blocking_element_id == -1))
|
|
{
|
|
state->display_blocked = TRUE;
|
|
}
|
|
else
|
|
{
|
|
FE_SetDocPosition(context, FE_VIEW, 0, state->base_y);
|
|
}
|
|
|
|
if ((Master_backdrop_url != NULL)&&(UserOverride != FALSE)
|
|
&&(context->type != MWContextDialog))
|
|
{
|
|
lo_load_user_backdrop(context, state);
|
|
}
|
|
|
|
/* This will be set if we ever encounter an image with no size
|
|
information, and will indicate to the FE that a reflow needs
|
|
to be done when all the connections have completed. */
|
|
context->requires_reflow = PR_FALSE;
|
|
}
|
|
|
|
if (state == NULL)
|
|
{
|
|
return(-1);
|
|
}
|
|
|
|
/*
|
|
* If we're processing an inline stream, we need to make a note of it
|
|
* so that the tag goes into the correct place.
|
|
*/
|
|
if (doc_data && doc_data->is_inline_stream &&
|
|
(top_state->doc_data != doc_data))
|
|
{
|
|
if (top_state->input_write_level >= MAX_INPUT_WRITE_LEVEL-1) {
|
|
top_state->out_of_memory = TRUE;
|
|
return (MK_OUT_OF_MEMORY);
|
|
}
|
|
top_state->input_write_level++;
|
|
top_state->tag_from_inline_stream = TRUE;
|
|
}
|
|
|
|
if (tag->data != NULL)
|
|
{
|
|
state->top_state->current_bytes += tag->data_len;
|
|
}
|
|
|
|
/*
|
|
* Divert all tags to the current sub-document if there is one.
|
|
*/
|
|
up_state = NULL;
|
|
orig_state = state;
|
|
while (state->sub_state != NULL)
|
|
{
|
|
up_state = state;
|
|
state = state->sub_state;
|
|
}
|
|
|
|
orig_state->top_state->layout_status = status;
|
|
|
|
/*
|
|
* The filter checks for all the NOFRAMES, NOEMBED, NOSCRIPT, and
|
|
* the APPLET ignore setup.
|
|
*/
|
|
if (top_state->layout_blocking_element != NULL)
|
|
{
|
|
lo_BlockTag(context, state, tag);
|
|
}
|
|
else if (lo_FilterTag(context, state, tag) == FALSE)
|
|
{
|
|
PA_FreeTag(tag);
|
|
}
|
|
else
|
|
{
|
|
lo_DocState *tmp_state;
|
|
Bool may_save;
|
|
int32 state_diff;
|
|
|
|
if ((state->is_a_subdoc == SUBDOC_CELL)||
|
|
(state->is_a_subdoc == SUBDOC_CAPTION))
|
|
{
|
|
may_save = TRUE;
|
|
}
|
|
else
|
|
{
|
|
may_save = FALSE;
|
|
}
|
|
|
|
/*
|
|
* Reset these so we can tell if anything happened
|
|
*/
|
|
top_state->diff_state = FALSE;
|
|
top_state->state_pushes = 0;
|
|
top_state->state_pops = 0;
|
|
|
|
lo_LayoutTag(context, state, tag);
|
|
|
|
if (top_state->wedged_on_mocha) {
|
|
top_state->wedged_on_mocha = FALSE;
|
|
return(1);
|
|
}
|
|
|
|
tmp_state = lo_CurrentSubState(orig_state);
|
|
|
|
/* how has our state level changed? */
|
|
state_diff = top_state->state_pushes - top_state->state_pops;
|
|
|
|
if (may_save != FALSE)
|
|
{
|
|
/*
|
|
* Store the tag in the correct subdoc.
|
|
*/
|
|
if (state_diff == -1)
|
|
{
|
|
/*
|
|
* That tag popped us up one state level. If this new
|
|
* state is still a subdoc, save the tag there.
|
|
*/
|
|
if ((tmp_state->is_a_subdoc == SUBDOC_CELL)||
|
|
(tmp_state->is_a_subdoc == SUBDOC_CAPTION))
|
|
{
|
|
/* if we just popped a table we need to insert
|
|
* a dummy end tag to pop the dummy start tag
|
|
* we shove on the stack after createing a table
|
|
*/
|
|
PA_Tag *new_tag = LO_CreateStyleSheetDummyTag(tag);
|
|
if(new_tag)
|
|
{
|
|
lo_SaveSubdocTags(context, tmp_state, new_tag);
|
|
}
|
|
|
|
lo_SaveSubdocTags(context, tmp_state, tag);
|
|
}
|
|
else
|
|
{
|
|
PA_FreeTag(tag);
|
|
}
|
|
}
|
|
else if (( up_state != NULL ) &&
|
|
( top_state->diff_state != FALSE ) &&
|
|
( state_diff == 0 ))
|
|
{
|
|
/*
|
|
* We have returned to the same state level but
|
|
* we have a different subdoc.
|
|
*/
|
|
if ((up_state->is_a_subdoc == SUBDOC_CELL)||
|
|
(up_state->is_a_subdoc == SUBDOC_CAPTION))
|
|
{
|
|
lo_SaveSubdocTags(context, up_state, tag);
|
|
}
|
|
else
|
|
{
|
|
PA_FreeTag(tag);
|
|
}
|
|
}
|
|
else if (( top_state->diff_state == FALSE ) &&
|
|
( state_diff == 0 ))
|
|
{
|
|
/*
|
|
* We are still in the same subdoc
|
|
*/
|
|
lo_SaveSubdocTags(context, state, tag);
|
|
}
|
|
else if (( state_diff == 1 ))
|
|
{
|
|
PA_Tag *new_tag;
|
|
|
|
/*
|
|
* That tag started a new, nested subdoc.
|
|
* Add the starting tag to the parent.
|
|
*/
|
|
lo_SaveSubdocTags(context, state, tag);
|
|
/*
|
|
* Since we have extended the parent chain,
|
|
* we need to reset the child to the new
|
|
* parent end-chain.
|
|
*/
|
|
if ((tmp_state->is_a_subdoc == SUBDOC_CELL)||
|
|
(tmp_state->is_a_subdoc == SUBDOC_CAPTION))
|
|
{
|
|
tmp_state->subdoc_tags =
|
|
state->subdoc_tags_end;
|
|
|
|
/* add an aditional dummy tag so that style sheets
|
|
* can use it to query styles from for this entry
|
|
* that created a table
|
|
*/
|
|
new_tag = LO_CreateStyleSheetDummyTag(tag);
|
|
if(new_tag)
|
|
{
|
|
lo_SaveSubdocTags(context, tmp_state, new_tag);
|
|
}
|
|
}
|
|
}
|
|
/*
|
|
* This can never happen.
|
|
*/
|
|
else
|
|
{
|
|
PA_FreeTag(tag);
|
|
}
|
|
|
|
state = tmp_state;
|
|
}
|
|
else
|
|
{
|
|
if(state_diff == 1)
|
|
{
|
|
/* everytime a table is started we need to save the
|
|
* tag that created it so that style sheets can apply
|
|
* styles to it. So we will save even in the "dont save"
|
|
* case
|
|
*/
|
|
PA_Tag *new_tag = LO_CreateStyleSheetDummyTag(tag);
|
|
if(new_tag)
|
|
{
|
|
/* We just pushed another table into a previous table
|
|
* we need to do some table magic to make the subdoc
|
|
* list work right
|
|
*/
|
|
lo_SaveSubdocTags(context, tmp_state, new_tag);
|
|
}
|
|
}
|
|
else if(state_diff == -1)
|
|
{
|
|
/* if we just popped a table we need to insert
|
|
* a dummy end tag to pop the dummy start tag
|
|
* we shove on the stack after createing a table
|
|
*/
|
|
PA_Tag *new_tag = LO_CreateStyleSheetDummyTag(tag);
|
|
if(new_tag)
|
|
{
|
|
lo_SaveSubdocTags(context, tmp_state, new_tag);
|
|
}
|
|
}
|
|
|
|
PA_FreeTag(tag);
|
|
}
|
|
}
|
|
|
|
if (doc_data && doc_data->is_inline_stream &&
|
|
(top_state->doc_data != doc_data))
|
|
{
|
|
top_state->input_write_level--;
|
|
}
|
|
top_state->tag_from_inline_stream = FALSE;
|
|
|
|
if (state->top_state->out_of_memory != FALSE)
|
|
{
|
|
lo_FinishLayout_OutOfMemory(context, state);
|
|
return(MK_OUT_OF_MEMORY);
|
|
}
|
|
|
|
/*
|
|
* The parser (libparse/pa_parse.c) only calls us with these status
|
|
* codes when tag is null, and we handled that case far above (in fact,
|
|
* we will crash less far above on a null tag pointer, so we can't get
|
|
* here when aborting or completing).
|
|
*/
|
|
XP_ASSERT(status != PA_ABORT && status != PA_COMPLETE);
|
|
|
|
return(1);
|
|
}
|
|
|
|
void
|
|
lo_RefreshDocumentArea(MWContext *context, lo_DocState *state, int32 x, int32 y,
|
|
uint32 width, uint32 height)
|
|
{
|
|
LO_Element *eptr;
|
|
int32 i;
|
|
int32 top, bottom;
|
|
|
|
if (state->display_blocked != FALSE)
|
|
{
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Find which lines intersect the drawable region.
|
|
*/
|
|
lo_RegionToLines (context, state, x, y, width, height, FALSE,
|
|
&top, &bottom);
|
|
|
|
/*
|
|
* Display all these lines, if there are any.
|
|
*/
|
|
if (bottom >= 0)
|
|
{
|
|
for (i=top; i <= bottom; i++)
|
|
{
|
|
lo_DisplayLine(context, state, i,
|
|
x, y, width, height);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Check the floating element list.
|
|
*/
|
|
eptr = state->float_list;
|
|
while (eptr != NULL)
|
|
{
|
|
/* I'm not sure exactly why we need to do this, but this code
|
|
has been here, in some form or another, since this file was
|
|
first created -- fur. */
|
|
if (eptr->type == LO_SUBDOC)
|
|
{
|
|
LO_SubDocStruct *subdoc;
|
|
lo_DocState *sub_state;
|
|
|
|
subdoc = (LO_SubDocStruct *)eptr;
|
|
sub_state = (lo_DocState *)subdoc->state;
|
|
|
|
if (sub_state == NULL)
|
|
break;
|
|
|
|
if (sub_state->base_y < 0)
|
|
sub_state->display_blocked = FALSE;
|
|
}
|
|
lo_DisplayElement(context, eptr,
|
|
state->base_x, state->base_y,
|
|
x, y, width, height);
|
|
eptr = eptr->lo_any.next;
|
|
}
|
|
}
|
|
|
|
|
|
/*************************************
|
|
* Function: LO_RefreshArea
|
|
*
|
|
* Description: This is a public function that allows the front end
|
|
* to ask that a particulat portion of the document be refreshed.
|
|
* The layout then finds the relevant elements, and calls
|
|
* the appropriate front end functions to display those
|
|
* elements.
|
|
*
|
|
* Params: Window context, x, y position of upper left corner,
|
|
* and width X height of the rectangle.
|
|
*
|
|
* Returns: Nothing
|
|
*************************************/
|
|
void
|
|
LO_RefreshArea(MWContext *context, int32 x, int32 y,
|
|
uint32 width, uint32 height)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
lo_RefreshDocumentArea(context, state, x, y, width, height);
|
|
}
|
|
|
|
|
|
/*************************************
|
|
* Function: lo_GetLineEnds
|
|
*
|
|
* Description: This is a private function that returns the line ends for
|
|
* a particular line.
|
|
*
|
|
* Params: Window context, line number.
|
|
*
|
|
* Returns: A pointer to the first and last elements in the line at that location,
|
|
* or NULLs if there is no matching line.
|
|
*************************************/
|
|
void
|
|
lo_GetLineEnds(MWContext *context, lo_DocState *state,
|
|
int32 line, LO_Element** retBegin, LO_Element** retEnd)
|
|
{
|
|
LO_Element **line_array;
|
|
LO_Element *begin = 0;
|
|
LO_Element *end = 0;
|
|
|
|
*retBegin = NULL;
|
|
*retEnd = NULL;
|
|
|
|
/*
|
|
* No document state yet.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (line >= 0)
|
|
#ifdef XP_WIN16
|
|
{
|
|
intn a_size;
|
|
intn a_indx;
|
|
intn a_line;
|
|
XP_Block *larray_array;
|
|
|
|
a_size = SIZE_LIMIT / sizeof(LO_Element *);
|
|
a_indx = (intn)(line / a_size);
|
|
a_line = (intn)(line - (a_indx * a_size));
|
|
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *, state->larray_array);
|
|
state->line_array = larray_array[a_indx];
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
begin = line_array[a_line];
|
|
|
|
if (line >= (state->line_num - 2))
|
|
{
|
|
end = NULL;
|
|
}
|
|
else
|
|
{
|
|
if ((a_line + 1) == a_size)
|
|
{
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
state->line_array = larray_array[a_indx + 1];
|
|
XP_LOCK_BLOCK(line_array, LO_Element **,
|
|
state->line_array);
|
|
end = line_array[0];
|
|
}
|
|
else
|
|
{
|
|
end = line_array[a_line + 1];
|
|
}
|
|
}
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
}
|
|
#else
|
|
{
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
begin = line_array[line];
|
|
if (line == (state->line_num - 2))
|
|
{
|
|
end = NULL;
|
|
}
|
|
else
|
|
{
|
|
end = line_array[line + 1];
|
|
}
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
}
|
|
#endif /* XP_WIN16 */
|
|
/* Be sure we aren't pointing to internal dummy elements */
|
|
if( begin )
|
|
{
|
|
while( begin && lo_IsDummyLayoutElement(begin) )
|
|
begin = begin->lo_any.next;
|
|
*retBegin = begin;
|
|
}
|
|
if( end )
|
|
{
|
|
while( end && lo_IsDummyLayoutElement(end) )
|
|
{
|
|
if( end->lo_any.prev )
|
|
end = end->lo_any.prev;
|
|
else
|
|
end = end->lo_any.next;
|
|
}
|
|
*retEnd = end;
|
|
}
|
|
}
|
|
|
|
Bool lo_IsDummyLayoutElement(LO_Element *ele)
|
|
{
|
|
Bool isDummy = FALSE;
|
|
switch(ele->lo_any.type)
|
|
{
|
|
case LO_PARAGRAPH:
|
|
case LO_CENTER:
|
|
case LO_MULTICOLUMN:
|
|
case LO_FLOAT:
|
|
case LO_TEXTBLOCK:
|
|
case LO_LIST:
|
|
case LO_DESCTITLE:
|
|
case LO_DESCTEXT:
|
|
case LO_BLOCKQUOTE:
|
|
case LO_LAYER:
|
|
case LO_HEADING:
|
|
case LO_SPAN:
|
|
case LO_DIV:
|
|
isDummy = TRUE;
|
|
break;
|
|
}
|
|
return isDummy;
|
|
}
|
|
|
|
/*************************************
|
|
* Function: lo_XYToDocumentElement
|
|
*
|
|
* Description: This is a public function that allows the front end
|
|
* to ask for the particular element residing at the passed
|
|
* (x, y) position in the window. This is very important
|
|
* for resolving button clicks on anchors.
|
|
*
|
|
* Params: Window context, x, y position of the window location.
|
|
*
|
|
* Returns: A pointer to the element record at that location,
|
|
* or NULL if there is no matching element.
|
|
*************************************/
|
|
LO_Element *
|
|
lo_XYToDocumentElement2(MWContext *context, lo_DocState *state,
|
|
int32 x, int32 y, Bool check_float, Bool into_cells, Bool into_ilayers,
|
|
Bool editMode, int32 *ret_x, int32 *ret_y)
|
|
{
|
|
Bool in_table, is_inflow_layer;
|
|
int32 line;
|
|
LO_Element *tptr, *eptr;
|
|
LO_Element *end_ptr;
|
|
LO_Element *tptrTable = NULL;
|
|
LO_Element *tptrCell = NULL;
|
|
|
|
/*
|
|
* No document state yet.
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
return(NULL);
|
|
}
|
|
|
|
tptr = NULL;
|
|
|
|
line = lo_PointToLine(context, state, x, y);
|
|
|
|
#ifdef LOCAL_DEBUG
|
|
XP_TRACE(("lo_PointToLine says line %d\n", line));
|
|
#endif /* LOCAL_DEBUG */
|
|
|
|
lo_GetLineEnds(context, state, line, &tptr, &end_ptr);
|
|
|
|
in_table = FALSE;
|
|
while (tptr != end_ptr)
|
|
{
|
|
int32 y2;
|
|
int32 x1;
|
|
int32 t_width, t_height;
|
|
|
|
if (lo_IsDummyLayoutElement(tptr))
|
|
{
|
|
tptr = tptr->lo_any.next;
|
|
continue;
|
|
}
|
|
|
|
x1 = tptr->lo_any.x + tptr->lo_any.x_offset;
|
|
|
|
t_width = tptr->lo_any.width;
|
|
/*
|
|
* Images need to account for border width
|
|
*/
|
|
if (tptr->type == LO_IMAGE)
|
|
{
|
|
t_width += (2 * tptr->lo_image.border_width);
|
|
/*
|
|
* If we're editing, images also account for their border space
|
|
*/
|
|
if ( editMode )
|
|
{
|
|
t_width += 2 * tptr->lo_image.border_horiz_space;
|
|
x1 -= tptr->lo_image.border_horiz_space;
|
|
}
|
|
}
|
|
else if(tptr->type == LO_CELL && editMode )
|
|
{
|
|
/* In editor, include intercell space so we
|
|
* don't "get lost" when clicking inbetween cells
|
|
* This assures a cell will be found if we are in a table
|
|
*/
|
|
t_width += tptr->lo_cell.inter_cell_space;
|
|
}
|
|
|
|
if (t_width <= 0)
|
|
{
|
|
t_width = 1;
|
|
}
|
|
|
|
t_height = tptr->lo_any.height;
|
|
/*
|
|
* Images need to account for border width
|
|
*/
|
|
if (tptr->type == LO_IMAGE)
|
|
{
|
|
t_height += (2 * tptr->lo_image.border_width);
|
|
|
|
/*
|
|
* If we're editing, images also account for their border space
|
|
*/
|
|
if ( editMode )
|
|
{
|
|
t_height += 2 * tptr->lo_image.border_vert_space;
|
|
}
|
|
}
|
|
else if(tptr->type == LO_CELL && editMode )
|
|
{
|
|
t_height += tptr->lo_cell.inter_cell_space;
|
|
}
|
|
|
|
is_inflow_layer =
|
|
(tptr->type == LO_CELL) && tptr->lo_cell.cell_inflow_layer;
|
|
|
|
if (!in_table && !is_inflow_layer)
|
|
{
|
|
y2 = tptr->lo_any.y + tptr->lo_any.line_height;
|
|
if (tptr->lo_any.line_height <= 0)
|
|
{
|
|
y2 = tptr->lo_any.y + tptr->lo_any.y_offset + t_height;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
y2 = tptr->lo_any.y + tptr->lo_any.y_offset +
|
|
t_height;
|
|
}
|
|
if ((y >= tptr->lo_any.y)&&(y < y2))
|
|
{
|
|
if (tptr->type == LO_TABLE)
|
|
{
|
|
/* Save to return if no other elements are found */
|
|
tptrTable = tptr;
|
|
}
|
|
if((x >= tptr->lo_any.x)&&
|
|
(x < (x1 + t_width)))
|
|
{
|
|
|
|
/*
|
|
* Tables are containers. Don't stop on them,
|
|
* look inside them.
|
|
*/
|
|
if (tptr->type != LO_TABLE)
|
|
{
|
|
/* Inflow layers look just like table cells, but we
|
|
always look inside them, as if the layout elements
|
|
were part of the line's list of element's. */
|
|
if (is_inflow_layer && into_ilayers) {
|
|
eptr = lo_XYToCellElement(context, state,
|
|
(LO_CellStruct *)tptr, x, y,
|
|
TRUE, into_cells, into_ilayers);
|
|
if (eptr) {
|
|
tptr = eptr;
|
|
break;
|
|
}
|
|
|
|
/* No matching element found inside cell, keep
|
|
looking on rest of line. */
|
|
} else
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
in_table = TRUE;
|
|
}
|
|
}
|
|
}
|
|
tptr = tptr->lo_any.next;
|
|
}
|
|
if (tptr == end_ptr)
|
|
{
|
|
tptr = NULL;
|
|
}
|
|
|
|
/*
|
|
* Check the floating element list.
|
|
*/
|
|
if ((tptr == NULL)&&(check_float != FALSE))
|
|
{
|
|
LO_Element *eptr;
|
|
|
|
eptr = state->float_list;
|
|
while (eptr != NULL)
|
|
{
|
|
int32 t_width, t_height;
|
|
|
|
t_width = eptr->lo_any.width;
|
|
/*
|
|
* Images need to account for border width
|
|
*/
|
|
if (eptr->type == LO_IMAGE)
|
|
{
|
|
t_width = t_width +
|
|
(2 * eptr->lo_image.border_width);
|
|
}
|
|
if (t_width <= 0)
|
|
{
|
|
t_width = 1;
|
|
}
|
|
|
|
t_height = eptr->lo_any.height;
|
|
/*
|
|
* Images need to account for border width
|
|
*/
|
|
if (eptr->type == LO_IMAGE)
|
|
{
|
|
t_height = t_height +
|
|
(2 * eptr->lo_image.border_width);
|
|
}
|
|
|
|
if ((y >= eptr->lo_any.y)&&
|
|
(y < (eptr->lo_any.y + eptr->lo_any.y_offset +
|
|
t_height)))
|
|
{
|
|
if ((x >= eptr->lo_any.x)&&
|
|
(x < (eptr->lo_any.x +
|
|
eptr->lo_any.x_offset +
|
|
t_width)))
|
|
{
|
|
/*
|
|
* Tables are containers.
|
|
* Don't stop on them,
|
|
* look inside them.
|
|
*/
|
|
if (eptr->type != LO_TABLE)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
eptr = eptr->lo_any.next;
|
|
}
|
|
tptr = eptr;
|
|
}
|
|
|
|
if ((tptr != NULL)&&(tptr->type == LO_SUBDOC))
|
|
{
|
|
LO_SubDocStruct *subdoc;
|
|
int32 new_x, new_y;
|
|
int32 ret_new_x, ret_new_y;
|
|
|
|
subdoc = (LO_SubDocStruct *)tptr;
|
|
|
|
new_x = x - (subdoc->x + subdoc->x_offset +
|
|
subdoc->border_width);
|
|
new_y = y - (subdoc->y + subdoc->y_offset +
|
|
subdoc->border_width);
|
|
tptr = lo_XYToDocumentElement(context,
|
|
(lo_DocState *)subdoc->state, new_x, new_y, check_float,
|
|
into_cells, into_ilayers, &ret_new_x, &ret_new_y);
|
|
x = ret_new_x;
|
|
y = ret_new_y;
|
|
}
|
|
else if ((tptr != NULL)&&(tptr->type == LO_CELL)&&(into_cells != FALSE))
|
|
{
|
|
/*
|
|
* Save the cell element
|
|
* to return if no other element is found
|
|
*/
|
|
tptrCell = tptr;
|
|
tptr = lo_XYToCellElement(context, state, &(tptr->lo_cell),
|
|
x, y, TRUE, into_cells, into_ilayers);
|
|
if (!tptr && editMode)
|
|
{
|
|
tptr = lo_XYToNearestCellElement(context, state,
|
|
&(tptrCell->lo_cell),
|
|
x, y);
|
|
if (!tptr)
|
|
tptr = tptrCell;
|
|
}
|
|
}
|
|
|
|
*ret_x = x;
|
|
*ret_y = y;
|
|
|
|
/* cmanske: Return table if no other element is found (we are before a table)
|
|
* or the element is a non-editable linefeed (we are after a table),
|
|
* and return this only if we are outside the table boundary
|
|
*/
|
|
if( editMode /*EDT_IS_EDITOR(context)*/ && tptrTable && !in_table &&
|
|
(tptr == 0 || (tptr->type == LO_LINEFEED && tptr->lo_linefeed.break_type == LO_LINEFEED_BREAK_SOFT)) )
|
|
{
|
|
tptr = tptrTable;
|
|
}
|
|
|
|
return(tptr);
|
|
}
|
|
|
|
LO_Element *
|
|
lo_XYToDocumentElement(MWContext *context, lo_DocState *state,
|
|
int32 x, int32 y, Bool check_float, Bool into_cells, Bool into_ilayers,
|
|
int32 *ret_x, int32 *ret_y)
|
|
{
|
|
return lo_XYToDocumentElement2(context, state, x, y, check_float, into_cells, into_ilayers, FALSE, ret_x, ret_y);
|
|
}
|
|
|
|
/*************************************
|
|
* Function: LO_XYToElement
|
|
*
|
|
* Description: This is a public function that allows the front end
|
|
* to ask for the particular element residing at the passed
|
|
* (x, y) position in the window. This is very important
|
|
* for resolving button clicks on anchors.
|
|
*
|
|
* Params: Window context, x, y position of the window location.
|
|
*
|
|
* Returns: A pointer to the element record at that location,
|
|
* or NULL if there is no matching element.
|
|
*************************************/
|
|
LO_Element *
|
|
LO_XYToElement(MWContext *context, int32 x, int32 y, CL_Layer *layer)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
LO_Element *tptr = NULL;
|
|
int32 ret_x, ret_y;
|
|
LO_CellStruct *layer_cell;
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return(NULL);
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
layer_cell = lo_GetCellFromLayer(context, layer);
|
|
|
|
if (layer_cell != NULL) {
|
|
tptr = lo_XYToCellElement(context,
|
|
state,
|
|
layer_cell,
|
|
x, y, TRUE, TRUE, TRUE);
|
|
}
|
|
else
|
|
tptr = lo_XYToDocumentElement(context, state, x, y, TRUE, TRUE, TRUE,
|
|
&ret_x, &ret_y);
|
|
|
|
if ((tptr == NULL)&&(top_state->is_grid != FALSE))
|
|
{
|
|
tptr = lo_XYToGridEdge(context, state, x, y);
|
|
}
|
|
|
|
/*
|
|
* Make sure we do not return an invisible edge.
|
|
*/
|
|
if ((tptr != NULL)&&(tptr->type == LO_EDGE)&&
|
|
(tptr->lo_edge.visible == FALSE))
|
|
{
|
|
tptr = NULL;
|
|
}
|
|
return(tptr);
|
|
}
|
|
|
|
static void
|
|
lo_set_image_info(MWContext *context, int32 ele_id, int32 width, int32 height)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *main_doc_state;
|
|
lo_DocState *state;
|
|
LO_ImageStruct *image;
|
|
|
|
#ifdef EDITOR
|
|
if ( ele_id == ED_IMAGE_LOAD_HACK_ID ){
|
|
EDT_SetImageInfo( context, ele_id, width, height );
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
main_doc_state = top_state->doc_state;
|
|
state = lo_CurrentSubState(main_doc_state);
|
|
|
|
/*
|
|
* If the font stack has already been freed, we are too far gone
|
|
* to deal with delayed images coming in. Ignore them.
|
|
*/
|
|
if (state->font_stack == NULL)
|
|
{
|
|
top_state->layout_blocking_element = NULL;
|
|
return;
|
|
}
|
|
|
|
if ((top_state->layout_blocking_element != NULL)&&
|
|
(top_state->layout_blocking_element->lo_any.ele_id == ele_id))
|
|
{
|
|
image = (LO_ImageStruct *)top_state->layout_blocking_element;
|
|
|
|
if (image->image_attr->attrmask & LO_ATTR_BACKDROP)
|
|
{
|
|
return;
|
|
}
|
|
|
|
image->width = width;
|
|
image->height = height;
|
|
lo_FinishImage(context, state, image);
|
|
|
|
TIMING_STOPCLOCK_NAME("lo:blk-img", image->image_url, context, "ok");
|
|
lo_FlushBlockage(context, state, main_doc_state);
|
|
}
|
|
else if (top_state->tags != NULL)
|
|
{
|
|
PA_Tag *tag_ptr;
|
|
|
|
tag_ptr = top_state->tags;
|
|
while (tag_ptr != NULL)
|
|
{
|
|
if (((tag_ptr->type == P_IMAGE)||
|
|
(tag_ptr->type == P_NEW_IMAGE))&&
|
|
(tag_ptr->lo_data != NULL)&&
|
|
(tag_ptr->is_end == FALSE))
|
|
{
|
|
image = (LO_ImageStruct *)tag_ptr->lo_data;
|
|
if (image->ele_id == ele_id)
|
|
{
|
|
image->width = width;
|
|
image->height = height;
|
|
break;
|
|
}
|
|
}
|
|
tag_ptr = tag_ptr->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
typedef struct setImageInfoClosure_struct
|
|
{
|
|
MWContext *context;
|
|
int32 ele_id;
|
|
int32 width;
|
|
int32 height;
|
|
struct setImageInfoClosure_struct
|
|
*next;
|
|
} setImageInfoClosure;
|
|
|
|
static int8 deferred_list_busy = 0;
|
|
static int8 destroy_deferred_list = 0;
|
|
|
|
/* List of images for which image size info is available,
|
|
but for which the layout process is deferred */
|
|
static setImageInfoClosure *image_info_deferred_list;
|
|
static void *deferred_image_info_timeout = NULL;
|
|
|
|
static void
|
|
lo_discard_unprocessed_deferred_images(MWContext *context)
|
|
{
|
|
setImageInfoClosure *c, *prev_c;
|
|
|
|
prev_c = NULL;
|
|
c = image_info_deferred_list;
|
|
if (deferred_list_busy)
|
|
{
|
|
/* set a flag to cause the list to get destroyed
|
|
* as soon as we are not reentrant
|
|
*/
|
|
destroy_deferred_list = TRUE;
|
|
return;
|
|
}
|
|
else
|
|
{
|
|
destroy_deferred_list = FALSE;
|
|
}
|
|
|
|
while (c) {
|
|
if(c->context == context) {
|
|
setImageInfoClosure *free_tmp;
|
|
|
|
if(prev_c)
|
|
prev_c->next = c->next;
|
|
else
|
|
image_info_deferred_list = c->next;
|
|
|
|
free_tmp = c;
|
|
c = c->next;
|
|
XP_FREE(free_tmp);
|
|
}
|
|
else
|
|
{
|
|
prev_c = c;
|
|
c = c->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* A helper routine that adds a context to a set of contexts ready for
|
|
reflow, but only if the context isn't already present in the
|
|
set. */
|
|
static void
|
|
lo_AddContextToReflow(PLVector* v, MWContext* context)
|
|
{
|
|
PR_ASSERT(v);
|
|
if (v) {
|
|
PRUint32 size = PL_VectorGetSize(v);
|
|
PRUint32 i;
|
|
|
|
for (i = 0; i < size; ++i) {
|
|
if (PL_VectorGet(v, i) == context)
|
|
return;
|
|
}
|
|
|
|
PL_VectorAdd(v, context);
|
|
}
|
|
}
|
|
|
|
/* Handle image dimension information that has been reported to
|
|
layout since the last time we were called. */
|
|
static void
|
|
lo_process_deferred_image_info(void *closure)
|
|
{
|
|
setImageInfoClosure *c, *next_c;
|
|
PLVector contextsToReflow;
|
|
PL_VectorInitialize(&contextsToReflow, 0, 0);
|
|
|
|
/* Don't allow reentrant calls. */
|
|
if (deferred_list_busy)
|
|
return;
|
|
|
|
deferred_list_busy = 1;
|
|
for (c = image_info_deferred_list; c; c = next_c) {
|
|
next_c = c->next;
|
|
lo_set_image_info(c->context, c->ele_id, c->width, c->height);
|
|
|
|
/* Determine if the image is visible, and if so, add the
|
|
context that contains it to the set of contexts that need
|
|
to be reflowed. */
|
|
{
|
|
lo_TopState* top_state = lo_FetchTopState(XP_DOCID(c->context));
|
|
PR_ASSERT(top_state);
|
|
|
|
/* Do not perform reflow for Aurora custom icons (MWContextIcon) */
|
|
if (top_state && (c->context->type != MWContextIcon)) {
|
|
int32 docWidth = LO_GetLayerScrollWidth(top_state->body_layer);
|
|
int32 docHeight = LO_GetLayerScrollHeight(top_state->body_layer);
|
|
int32 docX, docY;
|
|
LO_ImageStruct* image;
|
|
|
|
FE_GetDocPosition(c->context, FE_VIEW, &docX, &docY);
|
|
|
|
image = top_state->doc_lists.image_list;
|
|
while (image) {
|
|
if (image->ele_id == c->ele_id)
|
|
break;
|
|
|
|
image = image->next_image;
|
|
}
|
|
|
|
if (image
|
|
&& /* It's visible */
|
|
((image->x + c->width >= docX) &&
|
|
(image->y + c->height >= docY) &&
|
|
(image->x <= docX + docWidth) &&
|
|
(image->y <= docY + docHeight))) {
|
|
/* If the image is visible, the context needs to be reflowed */
|
|
lo_AddContextToReflow(&contextsToReflow, c->context);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(destroy_deferred_list)
|
|
{
|
|
/* discared the images for the context that just tried to
|
|
* call lo_discard_unprocessed_deferred_images. After
|
|
* that continue to pump this list until empty.
|
|
*/
|
|
image_info_deferred_list = c;
|
|
deferred_list_busy = FALSE;
|
|
lo_discard_unprocessed_deferred_images(image_info_deferred_list->context);
|
|
deferred_list_busy = TRUE;
|
|
next_c = image_info_deferred_list;
|
|
}
|
|
else
|
|
{
|
|
XP_FREE(c);
|
|
}
|
|
}
|
|
deferred_list_busy = 0;
|
|
image_info_deferred_list = NULL;
|
|
deferred_image_info_timeout = NULL;
|
|
|
|
/* Iterate through the contexts that need to be reflowed: if
|
|
layout is complete in that context, then reflow *now*: there's
|
|
an incorrectly sized, visible image. */
|
|
{
|
|
PRUint32 size = PL_VectorGetSize(&contextsToReflow);
|
|
PRUint32 i;
|
|
|
|
for (i = 0; i < size; ++i) {
|
|
lo_TopState* top_state;
|
|
MWContext* context = (MWContext*) PL_VectorGet(&contextsToReflow, i);
|
|
|
|
PR_ASSERT(context);
|
|
if (!context)
|
|
continue;
|
|
|
|
top_state = lo_FetchTopState(XP_DOCID(context));
|
|
PR_ASSERT(top_state);
|
|
if (!top_state)
|
|
continue;
|
|
|
|
/* We reflow *immediately* if layout is done. */
|
|
|
|
if (!LO_LayingOut(context))
|
|
LO_RelayoutFromElement(context, NULL);
|
|
}
|
|
|
|
PL_VectorFinalize(&contextsToReflow);
|
|
}
|
|
}
|
|
|
|
/* Tell layout the dimensions of an image. Actually, to avoid subtle
|
|
bugs involving mutual recursion between the imagelib and the
|
|
netlib, we don't process this information immediately, but rather
|
|
thread it on a list to be processed later. */
|
|
void
|
|
LO_SetImageInfo(MWContext *context, int32 ele_id, int32 width, int32 height)
|
|
{
|
|
setImageInfoClosure *c = XP_NEW(setImageInfoClosure);
|
|
|
|
if (! c)
|
|
return;
|
|
c->context = context;
|
|
c->ele_id = ele_id;
|
|
c->width = width;
|
|
c->height = height;
|
|
c->next = image_info_deferred_list;
|
|
image_info_deferred_list = c;
|
|
|
|
if (! deferred_image_info_timeout) {
|
|
deferred_image_info_timeout =
|
|
FE_SetTimeout(lo_process_deferred_image_info, NULL, 0);
|
|
}
|
|
}
|
|
|
|
void
|
|
lo_DeleteDocLists(MWContext *context, lo_DocLists *doc_lists)
|
|
{
|
|
if ( doc_lists->url_list != NULL)
|
|
{
|
|
int i;
|
|
LO_AnchorData **anchor_array;
|
|
|
|
#ifdef XP_WIN16
|
|
{
|
|
XP_Block *ulist_array;
|
|
int32 j;
|
|
intn a_size, a_indx, a_url;
|
|
|
|
a_size = SIZE_LIMIT / sizeof(XP_Block *);
|
|
a_indx = doc_lists->url_list_len / a_size;
|
|
a_url = doc_lists->url_list_len - (a_indx * a_size);
|
|
|
|
XP_LOCK_BLOCK(ulist_array, XP_Block *, doc_lists->ulist_array);
|
|
for (j=0; j < (doc_lists->ulist_array_size - 1); j++)
|
|
{
|
|
doc_lists->url_list = ulist_array[j];
|
|
XP_LOCK_BLOCK(anchor_array, LO_AnchorData **,
|
|
doc_lists->url_list);
|
|
for (i=0; i < a_size; i++)
|
|
{
|
|
if (anchor_array[i] != NULL)
|
|
{
|
|
lo_DestroyAnchor(anchor_array[i]);
|
|
}
|
|
}
|
|
XP_UNLOCK_BLOCK(doc_lists->url_list);
|
|
XP_FREE_BLOCK(doc_lists->url_list);
|
|
}
|
|
doc_lists->url_list = ulist_array[doc_lists->ulist_array_size - 1];
|
|
XP_LOCK_BLOCK(anchor_array, LO_AnchorData **,
|
|
doc_lists->url_list);
|
|
for (i=0; i < a_url; i++)
|
|
{
|
|
if (anchor_array[i] != NULL)
|
|
{
|
|
lo_DestroyAnchor(anchor_array[i]);
|
|
}
|
|
}
|
|
XP_UNLOCK_BLOCK(doc_lists->url_list);
|
|
XP_FREE_BLOCK(doc_lists->url_list);
|
|
|
|
XP_UNLOCK_BLOCK(doc_lists->ulist_array);
|
|
XP_FREE_BLOCK(doc_lists->ulist_array);
|
|
}
|
|
#else
|
|
XP_LOCK_BLOCK(anchor_array, LO_AnchorData **,
|
|
doc_lists->url_list);
|
|
for (i=0; i < doc_lists->url_list_len; i++)
|
|
{
|
|
if (anchor_array[i] != NULL)
|
|
{
|
|
lo_DestroyAnchor(anchor_array[i]);
|
|
}
|
|
}
|
|
XP_UNLOCK_BLOCK(doc_lists->url_list);
|
|
XP_FREE_BLOCK(doc_lists->url_list);
|
|
#endif /* XP_WIN16 */
|
|
doc_lists->url_list = NULL;
|
|
doc_lists->url_list_len = 0;
|
|
}
|
|
|
|
if (doc_lists->name_list != NULL)
|
|
{
|
|
lo_NameList *nptr;
|
|
|
|
nptr = doc_lists->name_list;
|
|
while (nptr != NULL)
|
|
{
|
|
lo_NameList *name_rec;
|
|
|
|
name_rec = nptr;
|
|
nptr = nptr->next;
|
|
if (name_rec->name != NULL)
|
|
{
|
|
PA_FREE(name_rec->name);
|
|
}
|
|
XP_DELETE(name_rec);
|
|
}
|
|
doc_lists->name_list = NULL;
|
|
doc_lists->anchor_count = 0;
|
|
}
|
|
|
|
if ( doc_lists->form_list != NULL)
|
|
{
|
|
lo_FormData *fptr;
|
|
|
|
fptr = doc_lists->form_list;
|
|
while (fptr != NULL)
|
|
{
|
|
lo_FormData *form;
|
|
|
|
form = fptr;
|
|
fptr = fptr->next;
|
|
if (form->name != NULL)
|
|
{
|
|
PA_FREE(form->name);
|
|
}
|
|
if (form->action != NULL)
|
|
{
|
|
PA_FREE(form->action);
|
|
}
|
|
if (form->form_elements != NULL)
|
|
{
|
|
PA_FREE(form->form_elements);
|
|
}
|
|
XP_DELETE(form);
|
|
}
|
|
doc_lists->form_list = NULL;
|
|
doc_lists->current_form_num = 0;
|
|
}
|
|
|
|
doc_lists->embed_list = NULL;
|
|
doc_lists->embed_list_count = 0;
|
|
doc_lists->applet_list = NULL;
|
|
doc_lists->applet_list_count = 0;
|
|
doc_lists->image_list = doc_lists->last_image = NULL;
|
|
doc_lists->image_list_count = 0;
|
|
}
|
|
|
|
/* XXX need to pass resize_reload through FE_FreeGridWindow */
|
|
static pa_DocData *lo_internal_doc_data;
|
|
|
|
LO_Element *
|
|
lo_InternalDiscardDocument(MWContext *context, lo_DocState *state,
|
|
pa_DocData *doc_data, Bool bWholeDoc)
|
|
{
|
|
int32 doc_id;
|
|
LO_Element *recycle_list;
|
|
LO_Element **line_array;
|
|
LO_TextAttr **text_attr_hash;
|
|
|
|
/* Look in doc_data->url_struct for the *new* document's reload flag. */
|
|
JSBool resize_reload =
|
|
(JSBool)(doc_data != NULL && doc_data->url_struct->resize_reload);
|
|
|
|
/* XXX We're not getting rid of stuff on the deferred image list when
|
|
* the editor does a relayout. The problem is that there might still be
|
|
* entries on the list that corresponds to the old state of the document.
|
|
*/
|
|
if (bWholeDoc)
|
|
lo_discard_unprocessed_deferred_images(context);
|
|
|
|
/*
|
|
* Order is crucial here: run the onunload handlers in a frames tree
|
|
* from the top down, but destroy frames bottom-up. Look for the
|
|
* LM_ReleaseDocument call below, almost at the end of this function.
|
|
* This way, onunload handlers get to use their kids' properties, and
|
|
* kids get to use their parent's properties and functions.
|
|
*/
|
|
if (bWholeDoc)
|
|
{
|
|
pa_DocData *old_doc_data;
|
|
|
|
old_doc_data = state->top_state->doc_data;
|
|
if (old_doc_data != NULL)
|
|
{
|
|
NET_StreamClass *parser_stream;
|
|
parser_stream = old_doc_data->parser_stream;
|
|
parser_stream->abort(parser_stream, 0);
|
|
state->top_state->doc_data = NULL;
|
|
}
|
|
}
|
|
|
|
#ifdef LAYPROBE_API
|
|
{
|
|
/* Send a notification when a frame unloads */
|
|
XP_List * pList = LAPIGetCallbackFuncList((int32)FRAME_ON_UNLOAD);
|
|
|
|
if (pList)
|
|
{
|
|
while (pList = pList->next)
|
|
{
|
|
if (pList->object)
|
|
(*((ID_NOTIFY_PT)pList->object))((void*)context);
|
|
}
|
|
}
|
|
|
|
/* clean up allocated memory */
|
|
if (state->top_state->LAPIprobe)
|
|
{
|
|
LAPIDestroyProbe(state->top_state->LAPIprobe);
|
|
state->top_state->LAPIprobe = NULL;
|
|
}
|
|
}
|
|
#endif /* LAYPROBE_API */
|
|
|
|
if ( state->top_state->trash != NULL)
|
|
{
|
|
lo_RecycleElements(context, state,
|
|
state->top_state->trash);
|
|
state->top_state->trash = NULL;
|
|
}
|
|
|
|
if (state->float_list != NULL)
|
|
{
|
|
lo_RecycleElements(context, state, state->float_list);
|
|
state->float_list = NULL;
|
|
}
|
|
|
|
if (state->line_array != NULL)
|
|
{
|
|
LO_Element *eptr;
|
|
LO_Element **line_array_tmp;
|
|
|
|
#ifdef XP_WIN16
|
|
{
|
|
XP_Block *larray_array;
|
|
intn cnt;
|
|
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *,
|
|
state->larray_array);
|
|
cnt = state->larray_array_size - 1;
|
|
while (cnt > 0)
|
|
{
|
|
XP_FREE_BLOCK(larray_array[cnt]);
|
|
cnt--;
|
|
}
|
|
state->line_array = larray_array[0];
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
XP_FREE_BLOCK(state->larray_array);
|
|
}
|
|
#endif /* XP_WIN16 */
|
|
|
|
eptr = NULL;
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
eptr = line_array[0];
|
|
line_array_tmp = (LO_Element **)state->line_array;
|
|
state->line_array = NULL;
|
|
|
|
/* If this is a relayout delete, the elements are already owned by the document. So
|
|
* don't recycle them.
|
|
*/
|
|
if ( bWholeDoc && eptr != NULL)
|
|
{
|
|
lo_RecycleElements(context, state, eptr);
|
|
}
|
|
XP_UNLOCK_BLOCK(line_array_tmp);
|
|
XP_FREE_BLOCK(line_array_tmp);
|
|
}
|
|
|
|
if ( bWholeDoc && state->top_state->text_attr_hash != NULL)
|
|
{
|
|
LO_TextAttr *attr;
|
|
LO_TextAttr *attr_ptr;
|
|
int i;
|
|
|
|
XP_LOCK_BLOCK(text_attr_hash, LO_TextAttr **,
|
|
state->top_state->text_attr_hash);
|
|
for (i=0; i<FONT_HASH_SIZE; i++)
|
|
{
|
|
attr_ptr = text_attr_hash[i];
|
|
while (attr_ptr != NULL)
|
|
{
|
|
attr = attr_ptr;
|
|
if (attr->FE_Data != NULL)
|
|
{
|
|
FE_ReleaseTextAttrFeData(context, attr);
|
|
attr->FE_Data = NULL;
|
|
}
|
|
attr_ptr = attr_ptr->next;
|
|
XP_DELETE(attr);
|
|
}
|
|
text_attr_hash[i] = NULL;
|
|
}
|
|
XP_UNLOCK_BLOCK(state->top_state->text_attr_hash);
|
|
XP_FREE_BLOCK(state->top_state->text_attr_hash);
|
|
state->top_state->text_attr_hash = NULL;
|
|
}
|
|
|
|
if ( bWholeDoc && state->top_state->font_face_array != NULL)
|
|
{
|
|
int i;
|
|
char **face_list;
|
|
|
|
PA_LOCK(face_list, char **, state->top_state->font_face_array);
|
|
for (i=0; i < state->top_state->font_face_array_len; i++)
|
|
{
|
|
XP_FREE(face_list[i]);
|
|
}
|
|
PA_UNLOCK(state->top_state->font_face_array);
|
|
PA_FREE(state->top_state->font_face_array);
|
|
state->top_state->font_face_array = NULL;
|
|
state->top_state->font_face_array_len = 0;
|
|
state->top_state->font_face_array_size = 0;
|
|
}
|
|
|
|
if ( bWholeDoc && state->top_state->map_list != NULL)
|
|
{
|
|
lo_MapRec *map_list;
|
|
|
|
map_list = state->top_state->map_list;
|
|
while (map_list != NULL)
|
|
{
|
|
map_list = lo_FreeMap(map_list);
|
|
}
|
|
state->top_state->map_list = NULL;
|
|
}
|
|
|
|
if (bWholeDoc)
|
|
lo_DeleteDocLists(context, &state->top_state->doc_lists);
|
|
else if (state->top_state->doc_lists.name_list != NULL)
|
|
{
|
|
lo_NameList *nptr;
|
|
|
|
nptr = state->top_state->doc_lists.name_list;
|
|
while (nptr != NULL)
|
|
{
|
|
lo_NameList *name_rec;
|
|
|
|
name_rec = nptr;
|
|
nptr = nptr->next;
|
|
if (name_rec->name != NULL)
|
|
{
|
|
PA_FREE(name_rec->name);
|
|
}
|
|
XP_DELETE(name_rec);
|
|
}
|
|
state->top_state->doc_lists.name_list = NULL;
|
|
}
|
|
|
|
if ( bWholeDoc && state->top_state->the_grid != NULL)
|
|
{
|
|
pa_DocData *save;
|
|
lo_GridRec *grid;
|
|
lo_GridCellRec *cell_ptr;
|
|
Bool incomplete;
|
|
|
|
save = lo_internal_doc_data;
|
|
lo_internal_doc_data = doc_data;
|
|
grid = state->top_state->the_grid;
|
|
cell_ptr = grid->cell_list;
|
|
/*
|
|
* If this grid document finished loading, save
|
|
* its grid data to be restored when we return through
|
|
* history.
|
|
* We still have to free the FE grid windows.
|
|
*/
|
|
incomplete = (state->top_state->layout_status != PA_COMPLETE);
|
|
if (incomplete == FALSE)
|
|
{
|
|
while (cell_ptr != NULL)
|
|
{
|
|
intn cell_status;
|
|
char *old_url;
|
|
|
|
cell_status =
|
|
lo_GetCurrentGridCellStatus(cell_ptr);
|
|
|
|
/*
|
|
* Only save cell history for COMPLETE cells.
|
|
*/
|
|
if (cell_status == PA_COMPLETE)
|
|
{
|
|
/*
|
|
* free the original url for this cell.
|
|
*/
|
|
old_url = cell_ptr->url;
|
|
if (cell_ptr->url != NULL)
|
|
{
|
|
XP_FREE(cell_ptr->url);
|
|
}
|
|
|
|
/*
|
|
* Fetch the url for the current contents
|
|
* of the cell, and save that.
|
|
*/
|
|
cell_ptr->url =
|
|
lo_GetCurrentGridCellUrl(cell_ptr);
|
|
|
|
cell_ptr->hist_list = NULL;
|
|
if (cell_ptr->context != NULL)
|
|
{
|
|
cell_ptr->hist_list = FE_FreeGridWindow(
|
|
cell_ptr->context, TRUE);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
incomplete = TRUE;
|
|
cell_ptr->hist_list = NULL;
|
|
if (cell_ptr->context != NULL)
|
|
{
|
|
(void)FE_FreeGridWindow(
|
|
cell_ptr->context, FALSE);
|
|
}
|
|
}
|
|
cell_ptr->context = NULL;
|
|
|
|
cell_ptr = cell_ptr->next;
|
|
}
|
|
}
|
|
/*
|
|
* Check again in case one or more frames were incomplete.
|
|
* Also, some special windows have no history (such as
|
|
* the document info window). We can't save grid
|
|
* data for those windows and should free it instead.
|
|
*/
|
|
if ((incomplete == FALSE)&&
|
|
(state->top_state->savedData.Grid != NULL))
|
|
{
|
|
state->top_state->savedData.Grid->the_grid =
|
|
state->top_state->the_grid;
|
|
state->top_state->savedData.Grid->main_width =
|
|
grid->main_width;
|
|
state->top_state->savedData.Grid->main_height =
|
|
grid->main_height;
|
|
}
|
|
/*
|
|
* Else free up everything now.
|
|
*/
|
|
else
|
|
{
|
|
cell_ptr = grid->cell_list;
|
|
/*
|
|
* It is important to NULL out the cell_list
|
|
* now because FE_FreeGridWindow() could lead to
|
|
* somone trying to traverse it while we are in
|
|
* the middle of deleting it.
|
|
*/
|
|
grid->cell_list = NULL;
|
|
while (cell_ptr != NULL)
|
|
{
|
|
lo_GridCellRec *tmp_cell;
|
|
|
|
if (cell_ptr->context != NULL)
|
|
{
|
|
/*
|
|
* The context still owns its history
|
|
* list, so null the cell's pointer to
|
|
* be clear. If this cell doesn't have
|
|
* a context, then it owns the history
|
|
* list and lo_FreeGridCellRec() will
|
|
* free it.
|
|
*/
|
|
cell_ptr->hist_list = NULL;
|
|
(void)FE_FreeGridWindow(
|
|
cell_ptr->context, FALSE);
|
|
}
|
|
tmp_cell = cell_ptr;
|
|
cell_ptr = cell_ptr->next;
|
|
lo_FreeGridCellRec(context, grid, tmp_cell);
|
|
}
|
|
lo_FreeGridRec(grid);
|
|
}
|
|
state->top_state->the_grid = NULL;
|
|
lo_internal_doc_data = save;
|
|
}
|
|
|
|
if ( bWholeDoc && state->top_state->url != NULL)
|
|
{
|
|
XP_FREE(state->top_state->url);
|
|
state->top_state->url = NULL;
|
|
}
|
|
|
|
if ( bWholeDoc )
|
|
{
|
|
XP_FREEIF(state->top_state->inline_stream_blocked_base_url);
|
|
XP_FREEIF(state->top_state->main_stream_blocked_base_url);
|
|
XP_FREEIF(state->top_state->base_url);
|
|
}
|
|
|
|
if ( bWholeDoc && state->top_state->base_target != NULL)
|
|
{
|
|
XP_FREE(state->top_state->base_target);
|
|
state->top_state->base_target = NULL;
|
|
}
|
|
|
|
if ( bWholeDoc && state->top_state->name_target != NULL)
|
|
{
|
|
XP_FREE(state->top_state->name_target);
|
|
state->top_state->name_target = NULL;
|
|
}
|
|
|
|
#ifdef HTML_CERTIFICATE_SUPPORT
|
|
if ( bWholeDoc && state->top_state->cert_list != NULL)
|
|
{
|
|
lo_Certificate *cptr;
|
|
|
|
cptr = state->top_state->cert_list;
|
|
while (cptr != NULL)
|
|
{
|
|
lo_Certificate *lo_cert;
|
|
|
|
lo_cert = cptr;
|
|
cptr = cptr->next;
|
|
if (lo_cert->name != NULL)
|
|
{
|
|
PA_FREE(lo_cert->name);
|
|
}
|
|
if (lo_cert->cert != NULL)
|
|
{
|
|
CERT_DestroyCertificate(lo_cert->cert);
|
|
}
|
|
XP_DELETE(lo_cert);
|
|
}
|
|
state->top_state->cert_list = NULL;
|
|
}
|
|
#endif /* HTML_CERTIFICATE_SUPPORT */
|
|
|
|
if (bWholeDoc && state->top_state->unknown_head_tag != NULL)
|
|
{
|
|
XP_FREE(state->top_state->unknown_head_tag);
|
|
state->top_state->unknown_head_tag = NULL;
|
|
}
|
|
|
|
if(resize_reload)
|
|
{
|
|
/* LJM: Save the JSS state in the hist so that we can get it
|
|
* once the resize is complete
|
|
*/
|
|
History_entry *he = SHIST_GetCurrent(&context->hist);
|
|
if (he)
|
|
{
|
|
he->savedData.style_stack = state->top_state->style_stack;
|
|
state->top_state->style_stack = 0;
|
|
}
|
|
else
|
|
{
|
|
if (state->top_state->style_stack != 0)
|
|
STYLESTACK_Delete(state->top_state->style_stack);
|
|
state->top_state->style_stack = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (state->top_state->style_stack != 0)
|
|
STYLESTACK_Delete(state->top_state->style_stack);
|
|
state->top_state->style_stack = 0;
|
|
}
|
|
|
|
/* XXX all this because grid docs are never re-parsed after first load. */
|
|
if (!resize_reload &&
|
|
((state->top_state->savedData.OnLoad != NULL)||
|
|
(state->top_state->savedData.OnUnload != NULL)||
|
|
(state->top_state->savedData.OnFocus != NULL)||
|
|
(state->top_state->savedData.OnBlur != NULL)||
|
|
(state->top_state->savedData.OnHelp != NULL)||
|
|
(state->top_state->savedData.OnMouseOver != NULL)||
|
|
(state->top_state->savedData.OnMouseOut != NULL)||
|
|
(state->top_state->savedData.OnDragDrop != NULL)||
|
|
(state->top_state->savedData.OnMove != NULL)||
|
|
(state->top_state->savedData.OnResize != NULL)))
|
|
{
|
|
History_entry *he = SHIST_GetCurrent(&context->hist);
|
|
if (he)
|
|
{
|
|
he->savedData.OnLoad = state->top_state->savedData.OnLoad;
|
|
he->savedData.OnUnload = state->top_state->savedData.OnUnload;
|
|
he->savedData.OnFocus = state->top_state->savedData.OnFocus;
|
|
he->savedData.OnBlur = state->top_state->savedData.OnBlur;
|
|
he->savedData.OnHelp = state->top_state->savedData.OnHelp;
|
|
he->savedData.OnMouseOver = state->top_state->savedData.OnMouseOver;
|
|
he->savedData.OnMouseOut = state->top_state->savedData.OnMouseOut;
|
|
he->savedData.OnDragDrop = state->top_state->savedData.OnDragDrop;
|
|
he->savedData.OnMove = state->top_state->savedData.OnMove;
|
|
he->savedData.OnResize = state->top_state->savedData.OnResize;
|
|
}
|
|
else
|
|
{
|
|
if (state->top_state->savedData.OnLoad != NULL)
|
|
PA_FREE(state->top_state->savedData.OnLoad);
|
|
if (state->top_state->savedData.OnUnload != NULL)
|
|
PA_FREE(state->top_state->savedData.OnUnload);
|
|
if (state->top_state->savedData.OnFocus != NULL)
|
|
PA_FREE(state->top_state->savedData.OnFocus);
|
|
if (state->top_state->savedData.OnBlur != NULL)
|
|
PA_FREE(state->top_state->savedData.OnBlur);
|
|
if (state->top_state->savedData.OnHelp != NULL)
|
|
PA_FREE(state->top_state->savedData.OnHelp);
|
|
if (state->top_state->savedData.OnMouseOver != NULL)
|
|
PA_FREE(state->top_state->savedData.OnMouseOver);
|
|
if (state->top_state->savedData.OnMouseOut != NULL)
|
|
PA_FREE(state->top_state->savedData.OnMouseOut);
|
|
if (state->top_state->savedData.OnDragDrop != NULL)
|
|
PA_FREE(state->top_state->savedData.OnDragDrop);
|
|
if (state->top_state->savedData.OnMove != NULL)
|
|
PA_FREE(state->top_state->savedData.OnMove);
|
|
if (state->top_state->savedData.OnResize != NULL)
|
|
PA_FREE(state->top_state->savedData.OnResize);
|
|
}
|
|
state->top_state->savedData.OnLoad = NULL;
|
|
state->top_state->savedData.OnUnload = NULL;
|
|
state->top_state->savedData.OnFocus = NULL;
|
|
state->top_state->savedData.OnBlur = NULL;
|
|
state->top_state->savedData.OnHelp = NULL;
|
|
state->top_state->savedData.OnMouseOver = NULL;
|
|
state->top_state->savedData.OnMouseOut = NULL;
|
|
state->top_state->savedData.OnDragDrop = NULL;
|
|
state->top_state->savedData.OnMove = NULL;
|
|
state->top_state->savedData.OnResize = NULL;
|
|
}
|
|
|
|
|
|
if ( bWholeDoc )
|
|
{
|
|
#ifdef WEBFONTS
|
|
/* Release webfonts loaded by this document */
|
|
if (WF_fbu && !resize_reload)
|
|
{
|
|
nffbu_ReleaseWebfonts(WF_fbu, context, NULL);
|
|
}
|
|
#endif /* WEBFONTS */
|
|
|
|
recycle_list = state->top_state->recycle_list;
|
|
|
|
/* Some lo_ImageStructs may have been reclaimed by the Memory Arenas
|
|
code without actually calling IL_DestroyImage first. This call
|
|
frees up any remaining image lib requests. */
|
|
IL_DestroyImageGroup(context->img_cx);
|
|
|
|
lo_DestroyBlinkers(context);
|
|
if (state->top_state->layers)
|
|
{
|
|
int i;
|
|
lo_TopState *top_state = state->top_state;
|
|
|
|
/* If we're resizing, prevent the GC'ing of the JS object
|
|
* associated with this layer when the layer destructor is
|
|
* called, since we want to preserve it across a resize,
|
|
* except for those layers created with JS's new operator,
|
|
* which aren't preserved across resize. */
|
|
if (resize_reload)
|
|
{
|
|
for (i = 1; i <= state->top_state->max_layer_num; i++)
|
|
{
|
|
lo_LayerDocState *layer_state = state->top_state->layers[i];
|
|
if (!layer_state || layer_state->is_constructed_layer)
|
|
continue;
|
|
|
|
layer_state->mocha_object = NULL;
|
|
state->top_state->layers[i] = NULL;
|
|
}
|
|
}
|
|
|
|
/* Delete the main document layer_state */
|
|
top_state->layers[0]->layer = NULL;
|
|
lo_DeleteLayerState(context, state, top_state->layers[0]);
|
|
|
|
top_state->num_layers_allocated = 0;
|
|
top_state->max_layer_num = 0;
|
|
|
|
lo_DeleteLayerStack(state);
|
|
}
|
|
|
|
if (context->compositor){
|
|
lo_DestroyLayers(context);
|
|
|
|
/* Reset the compositor to do on-screen compositing by default. */
|
|
CL_SetCompositorOffscreenDrawing(context->compositor,
|
|
CL_OFFSCREEN_AUTO);
|
|
CL_SetCompositorEnabled(context->compositor, PR_FALSE);
|
|
}
|
|
XP_FREEIF(state->top_state->layers);
|
|
}
|
|
|
|
if ( bWholeDoc ) {
|
|
/* throw out mocha cruft */
|
|
ET_ReleaseDocument(context, resize_reload);
|
|
|
|
XP_DELETE(state->top_state);
|
|
XP_DELETE(state);
|
|
/*
|
|
* Get the unique document ID, and remove this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
lo_RemoveTopState(doc_id);
|
|
|
|
}
|
|
else
|
|
{
|
|
XP_DELETE(state);
|
|
recycle_list = NULL;
|
|
}
|
|
return(recycle_list);
|
|
}
|
|
|
|
|
|
void
|
|
LO_DiscardDocument(MWContext *context)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
LO_Element *recycle_list;
|
|
int32 cnt;
|
|
#ifdef MEMORY_ARENAS
|
|
lo_arena *old_arena=NULL;
|
|
#endif /* MEMORY_ARENAS */
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
#ifdef MEMORY_ARENAS
|
|
if ( ! EDT_IS_EDITOR(context) ) {
|
|
old_arena = top_state->first_arena;
|
|
}
|
|
#endif /* MEMORY_ARENAS */
|
|
|
|
/*
|
|
* Order is crucial here: run the onunload handlers in a frames tree
|
|
* from the top down, but destroy frames bottom-up. Look for the
|
|
* LM_ReleaseDocument call below, almost at the end of this function.
|
|
* This way, onunload handlers get to use their kids' properties, and
|
|
* kids get to use their parent's properties and functions.
|
|
*/
|
|
ET_SendLoadEvent(context, EVENT_UNLOAD, NULL, NULL,
|
|
LO_DOCUMENT_LAYER_ID, FALSE);
|
|
|
|
/* make sure no other threads are looking at our structures */
|
|
LO_LockLayout();
|
|
|
|
lo_SaveFormElementState(context, state, TRUE);
|
|
/*
|
|
* If this document has no session history
|
|
* this data is not saved.
|
|
* It will be freed by history cleanup.
|
|
*/
|
|
if (SHIST_GetCurrent(&context->hist) == NULL)
|
|
{
|
|
top_state->savedData.FormList = NULL;
|
|
top_state->savedData.EmbedList = NULL;
|
|
top_state->savedData.Grid = NULL;
|
|
}
|
|
recycle_list =
|
|
lo_InternalDiscardDocument(context, state, lo_internal_doc_data, TRUE);
|
|
/* see first lo_FreeRecycleList comment. safe */
|
|
cnt = lo_FreeRecycleList(context, recycle_list);
|
|
#ifdef MEMORY_ARENAS
|
|
if ( ! EDT_IS_EDITOR(context) ) {
|
|
cnt = lo_FreeMemoryArena(old_arena);
|
|
}
|
|
#endif /* MEMORY_ARENAS */
|
|
|
|
/* we currently have no document loaded */
|
|
context->doc_id = 0;
|
|
|
|
/* the danger has passed. let others look up our shorts again */
|
|
LO_UnlockLayout();
|
|
|
|
}
|
|
|
|
|
|
lo_SavedFormListData *
|
|
lo_NewDocumentFormListData(void)
|
|
{
|
|
lo_SavedFormListData *fptr;
|
|
|
|
fptr = XP_NEW(lo_SavedFormListData);
|
|
if (fptr == NULL)
|
|
{
|
|
return(NULL);
|
|
}
|
|
|
|
fptr->valid = FALSE;
|
|
fptr->data_index = 0;
|
|
fptr->data_count = 0;
|
|
fptr->data_list = NULL;
|
|
fptr->next = NULL;
|
|
|
|
return(fptr);
|
|
}
|
|
|
|
|
|
void
|
|
LO_FreeDocumentFormListData(MWContext *context, void *data)
|
|
{
|
|
lo_SavedFormListData *forms = (lo_SavedFormListData *)data;
|
|
|
|
if (forms != NULL)
|
|
{
|
|
lo_FreeDocumentFormListData(context, forms);
|
|
XP_DELETE(forms);
|
|
}
|
|
}
|
|
|
|
|
|
lo_SavedGridData *
|
|
lo_NewDocumentGridData(void)
|
|
{
|
|
lo_SavedGridData *sgptr;
|
|
|
|
sgptr = XP_NEW(lo_SavedGridData);
|
|
if (sgptr == NULL)
|
|
{
|
|
return(NULL);
|
|
}
|
|
|
|
sgptr->main_width = 0;
|
|
sgptr->main_height = 0;
|
|
sgptr->the_grid = NULL;
|
|
|
|
return(sgptr);
|
|
}
|
|
|
|
|
|
void
|
|
LO_FreeDocumentGridData(MWContext *context, void *data)
|
|
{
|
|
lo_SavedGridData *sgptr = (lo_SavedGridData *)data;
|
|
|
|
if (sgptr != NULL)
|
|
{
|
|
lo_FreeDocumentGridData(context, sgptr);
|
|
XP_DELETE(sgptr);
|
|
}
|
|
}
|
|
|
|
|
|
lo_SavedEmbedListData *
|
|
lo_NewDocumentEmbedListData(void)
|
|
{
|
|
lo_SavedEmbedListData *eptr;
|
|
|
|
eptr = XP_NEW(lo_SavedEmbedListData);
|
|
if (eptr == NULL)
|
|
{
|
|
return(NULL);
|
|
}
|
|
|
|
eptr->embed_count = 0;
|
|
eptr->embed_data_list = NULL;
|
|
|
|
return(eptr);
|
|
}
|
|
|
|
|
|
void
|
|
LO_FreeDocumentEmbedListData(MWContext *context, void *data)
|
|
{
|
|
lo_SavedEmbedListData *eptr = (lo_SavedEmbedListData *)data;
|
|
|
|
if (eptr != NULL)
|
|
{
|
|
lo_FreeDocumentEmbedListData(context, eptr);
|
|
XP_DELETE(eptr);
|
|
}
|
|
}
|
|
|
|
void
|
|
LO_HighlightAnchor(MWContext *context, LO_Element *element, Bool on)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
LO_Element *start, *end;
|
|
LO_AnchorData *anchor;
|
|
|
|
/*
|
|
* Get the unique document ID, and retrieve this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
if (element == NULL)
|
|
return;
|
|
|
|
anchor = lo_GetElementAnchor(element);
|
|
if (anchor == NULL)
|
|
return;
|
|
|
|
/* Find all the preceding layout elements that share the same anchor. */
|
|
start = element;
|
|
while (start->lo_any.prev)
|
|
{
|
|
LO_AnchorData *anchor2 = lo_GetElementAnchor(start->lo_any.prev);
|
|
if (anchor != anchor2)
|
|
break;
|
|
start = start->lo_any.prev;
|
|
}
|
|
|
|
/* Find all the following layout elements that share the same anchor. */
|
|
end = element;
|
|
while (end->lo_any.next)
|
|
{
|
|
LO_AnchorData *anchor2 = lo_GetElementAnchor(end->lo_any.next);
|
|
if (anchor != anchor2)
|
|
break;
|
|
end = end->lo_any.next;
|
|
}
|
|
|
|
end = end->lo_any.next;
|
|
element = start;
|
|
while (element != end)
|
|
{
|
|
Bool restoreUnselected;
|
|
LO_Color save_fg;
|
|
|
|
element->lo_any.x += state->base_x;
|
|
element->lo_any.y += state->base_y;
|
|
|
|
restoreUnselected = FALSE;
|
|
switch (element->type)
|
|
{
|
|
case LO_IMAGE:
|
|
/* Save image selection state */
|
|
if (! (element->lo_image.ele_attrmask & LO_ELE_SELECTED))
|
|
restoreUnselected = TRUE;
|
|
|
|
/* Force display of selection rectangle. */
|
|
element->lo_image.ele_attrmask = LO_ELE_SELECTED;
|
|
|
|
/* Fall through ... */
|
|
|
|
case LO_TEXT:
|
|
case LO_SUBDOC:
|
|
|
|
/* Temporarily set element color to selection color. */
|
|
if (on) {
|
|
lo_GetElementFGColor(element, &save_fg);
|
|
lo_SetElementFGColor(element, &state->active_anchor_color);
|
|
}
|
|
|
|
/* Use the compositor to synchronously update the element's area. */
|
|
lo_RefreshElement(element, anchor->layer, TRUE);
|
|
|
|
/* Restore the element's color. */
|
|
if (on)
|
|
lo_SetElementFGColor(element, &save_fg);
|
|
|
|
/* Restore image selection state */
|
|
if (restoreUnselected)
|
|
element->lo_image.ele_attrmask &= ~(LO_ELE_SELECTED);
|
|
|
|
default:
|
|
/* No highlighting for other types of elements */
|
|
break;
|
|
}
|
|
|
|
element->lo_any.x -= state->base_x;
|
|
element->lo_any.y -= state->base_y;
|
|
|
|
element = element->lo_any.next;
|
|
}
|
|
}
|
|
|
|
LO_Element *
|
|
LO_XYToNearestElement(MWContext *context, int32 x, int32 y, CL_Layer *layer)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
LO_Element *eptr;
|
|
LO_Element **line_array;
|
|
int32 ret_x, ret_y;
|
|
LO_CellStruct *layer_cell;
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return(NULL);
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
layer_cell = lo_GetCellFromLayer(context, layer);
|
|
if (layer_cell != NULL)
|
|
{
|
|
int32 new_x, new_y;
|
|
|
|
new_y = y;
|
|
if (new_y > layer_cell->height)
|
|
new_y = layer_cell->height - 1;
|
|
if (new_y < 0)
|
|
new_y = 0;
|
|
|
|
new_x = x;
|
|
if (new_x > layer_cell->width)
|
|
new_x = layer_cell->width - 1;
|
|
if (new_x < 0)
|
|
new_x = 0;
|
|
eptr = lo_XYToNearestCellElement(context,
|
|
state,
|
|
layer_cell, new_x, new_y);
|
|
return eptr;
|
|
}
|
|
|
|
if (x <= state->win_left)
|
|
{
|
|
x = state->win_left + 1;
|
|
}
|
|
|
|
if (y < state->win_top)
|
|
{
|
|
y = state->win_top + 1;
|
|
}
|
|
|
|
eptr = lo_XYToDocumentElement(context, state, x, y, TRUE, TRUE, TRUE,
|
|
&ret_x, &ret_y);
|
|
|
|
if (eptr == NULL)
|
|
{
|
|
int32 top, bottom;
|
|
|
|
/*
|
|
* Find the nearest line.
|
|
*/
|
|
lo_RegionToLines (context, state, x, y, 1, 1, FALSE,
|
|
&top, &bottom);
|
|
|
|
if (top >= 0)
|
|
#ifdef XP_WIN16
|
|
{
|
|
intn a_size;
|
|
intn a_indx;
|
|
intn a_line;
|
|
XP_Block *larray_array;
|
|
|
|
a_size = SIZE_LIMIT / sizeof(LO_Element *);
|
|
a_indx = (intn)(top / a_size);
|
|
a_line = (intn)(top - (a_indx * a_size));
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *,
|
|
state->larray_array);
|
|
state->line_array = larray_array[a_indx];
|
|
XP_LOCK_BLOCK(line_array, LO_Element **,
|
|
state->line_array);
|
|
eptr = line_array[a_line];
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
}
|
|
#else
|
|
{
|
|
XP_LOCK_BLOCK(line_array, LO_Element **,
|
|
state->line_array);
|
|
eptr = line_array[top];
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
}
|
|
#endif /* XP_WIN16 */
|
|
|
|
/*
|
|
* The nearest line may be a table with cells. In which case
|
|
* we really need to move into that table to find the nearest
|
|
* cell, and possibly nearest element in that cell.
|
|
*/
|
|
if ((eptr != NULL)&&(eptr->type == LO_TABLE)&&
|
|
(eptr->lo_any.next->type == LO_CELL))
|
|
{
|
|
LO_Element *new_eptr;
|
|
|
|
new_eptr = eptr->lo_any.next;
|
|
/*
|
|
* Find the cell that overlaps in Y. Move to the lower
|
|
* cell if between cells.
|
|
*/
|
|
while ((new_eptr != NULL)&&(new_eptr->type == LO_CELL))
|
|
{
|
|
int32 y2;
|
|
|
|
y2 = new_eptr->lo_any.y + new_eptr->lo_any.y_offset +
|
|
new_eptr->lo_any.height +
|
|
(2 * new_eptr->lo_cell.border_width);
|
|
if (y <= y2)
|
|
{
|
|
break;
|
|
}
|
|
new_eptr = new_eptr->lo_any.next;
|
|
}
|
|
/*
|
|
* If we walked through the table to a non-cell element
|
|
* and still didn't match, match to the last cell in
|
|
* the table.
|
|
*/
|
|
if ((new_eptr != NULL)&&(new_eptr->type != LO_CELL))
|
|
{
|
|
new_eptr = new_eptr->lo_any.prev;
|
|
}
|
|
|
|
/*
|
|
* If new_eptr is not NULL it is the cell we matched.
|
|
* Move us just into that cell and see if we can match
|
|
* an element inside it.
|
|
*/
|
|
if ((new_eptr != NULL)&&(new_eptr->type == LO_CELL))
|
|
{
|
|
LO_Element *cell_eptr;
|
|
int32 new_x, new_y;
|
|
|
|
new_y = y;
|
|
if (new_y >= (new_eptr->lo_any.y +
|
|
new_eptr->lo_any.y_offset +
|
|
new_eptr->lo_cell.border_width +
|
|
new_eptr->lo_any.height))
|
|
{
|
|
new_y = new_eptr->lo_any.y +
|
|
new_eptr->lo_any.y_offset +
|
|
new_eptr->lo_cell.border_width +
|
|
new_eptr->lo_any.height - 1;
|
|
}
|
|
if (new_y < (new_eptr->lo_any.y +
|
|
new_eptr->lo_any.y_offset +
|
|
new_eptr->lo_cell.border_width))
|
|
{
|
|
new_y = new_eptr->lo_any.y +
|
|
new_eptr->lo_any.y_offset +
|
|
new_eptr->lo_cell.border_width;
|
|
}
|
|
new_x = x;
|
|
if (new_x >= (new_eptr->lo_any.x +
|
|
new_eptr->lo_any.x_offset +
|
|
new_eptr->lo_cell.border_width +
|
|
new_eptr->lo_any.width))
|
|
{
|
|
new_x = new_eptr->lo_any.x +
|
|
new_eptr->lo_any.x_offset +
|
|
new_eptr->lo_cell.border_width +
|
|
new_eptr->lo_any.width - 1;
|
|
}
|
|
if (new_x < (new_eptr->lo_any.x +
|
|
new_eptr->lo_any.x_offset +
|
|
new_eptr->lo_cell.border_width))
|
|
{
|
|
new_x = new_eptr->lo_any.x +
|
|
new_eptr->lo_any.x_offset +
|
|
new_eptr->lo_cell.border_width;
|
|
}
|
|
cell_eptr = lo_XYToNearestCellElement(context, state,
|
|
(LO_CellStruct *)new_eptr, new_x, new_y);
|
|
if (cell_eptr != NULL)
|
|
{
|
|
new_eptr = cell_eptr;
|
|
}
|
|
}
|
|
if (new_eptr != NULL)
|
|
{
|
|
eptr = new_eptr;
|
|
}
|
|
}
|
|
}
|
|
|
|
return(eptr);
|
|
}
|
|
|
|
static void
|
|
lo_RefreshCellAnchors(lo_DocState *state, LO_CellStruct *cell);
|
|
|
|
/* return TRUE if the color of the current anchor is
|
|
* one of the two default visted or unvisited colors
|
|
* it will be FALSE in the case that style sheets sets
|
|
* a specific color for the anchor
|
|
*/
|
|
static Bool
|
|
lo_is_default_anchor_color(lo_DocState *state, LO_TextAttr *tmp_attr)
|
|
{
|
|
if( (tmp_attr->fg.red == STATE_VISITED_ANCHOR_RED(state)
|
|
&& tmp_attr->fg.green == STATE_VISITED_ANCHOR_GREEN(state)
|
|
&& tmp_attr->fg.blue == STATE_VISITED_ANCHOR_BLUE(state))
|
|
|| (tmp_attr->fg.red == STATE_UNVISITED_ANCHOR_RED(state)
|
|
&& tmp_attr->fg.green == STATE_UNVISITED_ANCHOR_GREEN(state)
|
|
&& tmp_attr->fg.blue == STATE_UNVISITED_ANCHOR_BLUE(state)))
|
|
return TRUE;
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
#ifdef DOM
|
|
/* XXX honour style data here */
|
|
#endif
|
|
|
|
static void
|
|
lo_RefreshElementAnchor(lo_DocState *state, LO_Element *element)
|
|
{
|
|
LO_TextAttr tmp_attr, *new_attr, *attr;
|
|
LO_AnchorData *anchor_href;
|
|
char *url;
|
|
|
|
if (element->type == LO_CELL) {
|
|
lo_RefreshCellAnchors(state, (LO_CellStruct *)element);
|
|
return;
|
|
}
|
|
|
|
attr = lo_GetElementTextAttr(element);
|
|
if (! attr)
|
|
return;
|
|
if (! (attr->attrmask & LO_ATTR_ANCHOR))
|
|
return;
|
|
|
|
anchor_href = lo_GetElementAnchor(element);
|
|
if (!anchor_href)
|
|
return;
|
|
|
|
if(!lo_is_default_anchor_color(state, attr))
|
|
return;
|
|
|
|
lo_CopyTextAttr(attr, &tmp_attr);
|
|
|
|
url = (char*)anchor_href->anchor;
|
|
if (GH_CheckGlobalHistory(url) != -1)
|
|
{
|
|
tmp_attr.fg.red = STATE_VISITED_ANCHOR_RED(state);
|
|
tmp_attr.fg.green = STATE_VISITED_ANCHOR_GREEN(state);
|
|
tmp_attr.fg.blue = STATE_VISITED_ANCHOR_BLUE(state);
|
|
}
|
|
else
|
|
{
|
|
tmp_attr.fg.red = STATE_UNVISITED_ANCHOR_RED(state);
|
|
tmp_attr.fg.green = STATE_UNVISITED_ANCHOR_GREEN(state);
|
|
tmp_attr.fg.blue = STATE_UNVISITED_ANCHOR_BLUE(state);
|
|
}
|
|
|
|
new_attr = lo_FetchTextAttr(state, &tmp_attr);
|
|
|
|
if (new_attr != attr) {
|
|
lo_SetElementTextAttr(element, new_attr);
|
|
if (element->type == LO_TEXT || element->type == LO_IMAGE) {
|
|
element->lo_any.x += state->base_x;
|
|
element->lo_any.y += state->base_y;
|
|
lo_RefreshElement(element, anchor_href->layer, TRUE);
|
|
element->lo_any.x -= state->base_x;
|
|
element->lo_any.y -= state->base_y;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
lo_RefreshCellAnchors(lo_DocState *state, LO_CellStruct *cell)
|
|
{
|
|
LO_Element *eptr;
|
|
|
|
eptr = cell->cell_list;
|
|
while (eptr)
|
|
{
|
|
lo_RefreshElementAnchor(state, eptr);
|
|
eptr = eptr->lo_any.next;
|
|
}
|
|
|
|
eptr = cell->cell_float_list;
|
|
while (eptr)
|
|
{
|
|
lo_RefreshElementAnchor(state, eptr);
|
|
eptr = eptr->lo_any.next;
|
|
}
|
|
}
|
|
|
|
void
|
|
LO_RefreshAnchors(MWContext *context)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
LO_Element *eptr;
|
|
LO_Element **line_array;
|
|
|
|
if (!context->compositor)
|
|
return;
|
|
|
|
/*
|
|
* Get the unique document ID, and retrieve this
|
|
* document's layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
return;
|
|
state = top_state->doc_state;
|
|
|
|
/*
|
|
* line_array could be NULL when discarding the document, so
|
|
* check it and exit early to avoid dereferencing it below.
|
|
*/
|
|
if (state->line_array == NULL)
|
|
return;
|
|
|
|
#ifdef XP_WIN16
|
|
{
|
|
XP_Block *larray_array;
|
|
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *, state->larray_array);
|
|
state->line_array = larray_array[0];
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
}
|
|
#endif /* XP_WIN16 */
|
|
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
eptr = line_array[0];
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
|
|
for (; eptr; eptr = eptr->lo_any.next)
|
|
lo_RefreshElementAnchor(state, eptr);
|
|
}
|
|
|
|
static void
|
|
lo_split_named_anchor(char *url, char **cmp_url, char **cmp_name)
|
|
{
|
|
char tchar, *tptr, *tname;
|
|
|
|
*cmp_url = NULL;
|
|
|
|
if ( cmp_name )
|
|
*cmp_name = NULL;
|
|
|
|
if (url == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
tptr = url;
|
|
while (((tchar = *tptr) != '\0')&&(tchar != '#'))
|
|
{
|
|
tptr++;
|
|
}
|
|
if (tchar == '\0')
|
|
{
|
|
*cmp_url = (char *)XP_STRDUP(url);
|
|
return;
|
|
}
|
|
|
|
*tptr = '\0';
|
|
*cmp_url = (char *)XP_STRDUP(url);
|
|
*tptr = tchar;
|
|
tname = ++tptr;
|
|
while (((tchar = *tptr) != '\0')&&(tchar != '?'))
|
|
{
|
|
tptr++;
|
|
}
|
|
*tptr = '\0';
|
|
if ( cmp_name )
|
|
*cmp_name = (char *)XP_STRDUP(tname);
|
|
*tptr = tchar;
|
|
if (tchar == '?')
|
|
{
|
|
StrAllocCat(*cmp_url, tptr);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Is this anchor local to this document?
|
|
*/
|
|
Bool
|
|
lo_IsAnchorInDoc(lo_DocState *state, char *url)
|
|
{
|
|
char *cmp_url;
|
|
char *doc_url;
|
|
Bool local;
|
|
|
|
local = FALSE;
|
|
/*
|
|
* Extract the base from the name part.
|
|
*/
|
|
lo_split_named_anchor(url, &cmp_url, NULL);
|
|
|
|
/*
|
|
* Extract the base from the name part.
|
|
*/
|
|
doc_url = NULL;
|
|
lo_split_named_anchor(state->top_state->url, &doc_url, NULL);
|
|
|
|
/*
|
|
* If the document itself has no base URL (probably an error)
|
|
* then the only way we are local is if the passed in url has no
|
|
* base either.
|
|
*/
|
|
if (doc_url == NULL)
|
|
{
|
|
if (cmp_url == NULL)
|
|
{
|
|
local = TRUE;
|
|
}
|
|
}
|
|
/*
|
|
* Else if the passed in url has no base, and we have a bas, you must
|
|
* be local because you are relative to our base.
|
|
*/
|
|
else if (cmp_url == NULL)
|
|
{
|
|
local = TRUE;
|
|
}
|
|
/*
|
|
* Else if the base of the two urls is equal, you are local.
|
|
*/
|
|
else if (XP_STRCMP(cmp_url, doc_url) == 0)
|
|
{
|
|
local = TRUE;
|
|
}
|
|
|
|
if (cmp_url != NULL)
|
|
{
|
|
XP_FREE(cmp_url);
|
|
}
|
|
if (doc_url != NULL)
|
|
{
|
|
XP_FREE(doc_url);
|
|
}
|
|
return(local);
|
|
}
|
|
|
|
|
|
static LO_Element *
|
|
lo_cell_id_to_element(lo_DocState *state, int32 ele_id, LO_CellStruct *cell)
|
|
{
|
|
LO_Element *eptr;
|
|
|
|
if (cell == NULL)
|
|
{
|
|
return(NULL);
|
|
}
|
|
|
|
eptr = cell->cell_list;
|
|
while (eptr != NULL)
|
|
{
|
|
if (eptr->lo_any.ele_id == ele_id)
|
|
{
|
|
break;
|
|
}
|
|
if (eptr->type == LO_CELL)
|
|
{
|
|
LO_Element *cell_eptr;
|
|
|
|
cell_eptr = lo_cell_id_to_element(state, ele_id,
|
|
(LO_CellStruct *)eptr);
|
|
if (cell_eptr != NULL)
|
|
{
|
|
eptr = cell_eptr;
|
|
break;
|
|
}
|
|
}
|
|
if (eptr->lo_any.ele_id > ele_id)
|
|
{
|
|
break;
|
|
}
|
|
eptr = eptr->lo_any.next;
|
|
}
|
|
return(eptr);
|
|
}
|
|
|
|
|
|
/*
|
|
* Find the x, y, coords of the element id passed in, and return them.
|
|
* If can't find the exact element, return the closest (next greater)
|
|
* element id's position.
|
|
* We need to walk into cells.
|
|
* On severe error return 0, 0.
|
|
*/
|
|
static void
|
|
lo_element_id_to_xy(lo_DocState *state, int32 ele_id, int32 *xpos, int32 *ypos)
|
|
{
|
|
LO_Element *eptr;
|
|
LO_Element **line_array;
|
|
|
|
*xpos = 0;
|
|
*ypos = 0;
|
|
|
|
/*
|
|
* On error return the top
|
|
*/
|
|
if (state == NULL)
|
|
{
|
|
return;
|
|
}
|
|
|
|
#ifdef XP_WIN16
|
|
{
|
|
XP_Block *larray_array;
|
|
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *, state->larray_array);
|
|
state->line_array = larray_array[0];
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
}
|
|
#endif /* XP_WIN16 */
|
|
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
eptr = line_array[0];
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
|
|
while (eptr != NULL)
|
|
{
|
|
/*
|
|
* Exact match?
|
|
*/
|
|
if (eptr->lo_any.ele_id == ele_id)
|
|
{
|
|
*xpos = eptr->lo_any.x;
|
|
*ypos = eptr->lo_any.y;
|
|
break;
|
|
}
|
|
|
|
/*
|
|
* Look for a match in this cell
|
|
*/
|
|
if (eptr->type == LO_CELL)
|
|
{
|
|
LO_Element *cell_eptr;
|
|
|
|
cell_eptr = lo_cell_id_to_element(state, ele_id,
|
|
(LO_CellStruct *)eptr);
|
|
if (cell_eptr != NULL)
|
|
{
|
|
*xpos = cell_eptr->lo_any.x;
|
|
*ypos = cell_eptr->lo_any.y;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If we passed it, fake a match.
|
|
*/
|
|
if (eptr->lo_any.ele_id > ele_id)
|
|
{
|
|
*xpos = eptr->lo_any.x;
|
|
*ypos = eptr->lo_any.y;
|
|
break;
|
|
}
|
|
eptr = eptr->lo_any.next;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Check the current URL to see if it is the URL for this doc, and if
|
|
* so return the position of the named anchor referenced after the '#' in
|
|
* the URL. If there is no name or no match, return 0,0. In comparing URLs
|
|
* both NULL are considered equal
|
|
*/
|
|
Bool
|
|
LO_LocateNamedAnchor(MWContext *context, URL_Struct *url_struct,
|
|
int32 *xpos, int32 *ypos)
|
|
{
|
|
int i;
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
lo_NameList *nptr;
|
|
char *url;
|
|
char *cmp_url;
|
|
char *cmp_name;
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
/*
|
|
* obvious error
|
|
*/
|
|
if ((url_struct == NULL)||(url_struct->address == NULL))
|
|
{
|
|
return(FALSE);
|
|
}
|
|
|
|
/*
|
|
* Extract the URL we are going to.
|
|
*/
|
|
url = url_struct->address;
|
|
|
|
|
|
/*
|
|
* Split the passed url into the real url part
|
|
* and the name part. The parts (if non-NULL) must
|
|
* be freed.
|
|
*/
|
|
cmp_url = NULL;
|
|
cmp_name = NULL;
|
|
lo_split_named_anchor(url, &cmp_url, &cmp_name);
|
|
|
|
/*
|
|
* can't strcmp on NULL strings.
|
|
*/
|
|
if (state->top_state->url == NULL)
|
|
{
|
|
/*
|
|
* 2 NULLs are considered equal.
|
|
* If not equal fail here
|
|
*/
|
|
if (cmp_url != NULL)
|
|
{
|
|
if (cmp_name != NULL)
|
|
{
|
|
XP_FREE(cmp_name);
|
|
}
|
|
return(FALSE);
|
|
}
|
|
}
|
|
/*
|
|
* Else lets compare the 2 URLs now
|
|
*/
|
|
else
|
|
{
|
|
/*
|
|
* The current URL might itself have a name part. Lose it.
|
|
*/
|
|
char *this_url;
|
|
int same_p;
|
|
|
|
lo_split_named_anchor(state->top_state->url, &this_url, NULL);
|
|
/*
|
|
* If the 2 URLs are not equal fail out here
|
|
*/
|
|
same_p = ((this_url)&&(XP_STRCMP(cmp_url, this_url) == 0));
|
|
|
|
if (this_url != NULL)
|
|
{
|
|
XP_FREE (this_url);
|
|
}
|
|
|
|
if (!same_p)
|
|
{
|
|
XP_FREE(cmp_url);
|
|
if (cmp_name != NULL)
|
|
{
|
|
XP_FREE(cmp_name);
|
|
}
|
|
return(FALSE);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If we got here the URLs are considered equal.
|
|
* Free this one.
|
|
*/
|
|
if (cmp_url != NULL)
|
|
{
|
|
XP_FREE(cmp_url);
|
|
}
|
|
|
|
/*
|
|
* Do we have a saved element ID that is not the start
|
|
* of the document to return to because we are moving through history?
|
|
* If so, go there and return.
|
|
*/
|
|
if (url_struct->position_tag > 1)
|
|
{
|
|
lo_element_id_to_xy(state, url_struct->position_tag,
|
|
xpos, ypos);
|
|
return(TRUE);
|
|
}
|
|
|
|
/*
|
|
* Special case for going to a NULL or empty
|
|
* name to return the beginning of the
|
|
* document.
|
|
*/
|
|
if (cmp_name == NULL)
|
|
{
|
|
*xpos = 0;
|
|
*ypos = 0;
|
|
|
|
if (state->top_state->url != NULL)
|
|
{
|
|
XP_FREE(state->top_state->url);
|
|
}
|
|
state->top_state->url = XP_STRDUP(url);
|
|
return(TRUE);
|
|
}
|
|
else if (*cmp_name == '\0')
|
|
{
|
|
*xpos = 0;
|
|
*ypos = 0;
|
|
XP_FREE(cmp_name);
|
|
|
|
if (state->top_state->url != NULL)
|
|
{
|
|
XP_FREE(state->top_state->url);
|
|
}
|
|
state->top_state->url = XP_STRDUP(url);
|
|
return(TRUE);
|
|
}
|
|
|
|
/*
|
|
* Actually search the name list for a matching name.
|
|
*/
|
|
for (i = 0; i <= state->top_state->max_layer_num; i++)
|
|
{
|
|
lo_LayerDocState *layer_state = state->top_state->layers[i];
|
|
CL_Layer *layer;
|
|
if (!layer_state)
|
|
continue;
|
|
layer = layer_state->layer;
|
|
nptr = layer_state->doc_lists->name_list;
|
|
|
|
while (nptr != NULL)
|
|
{
|
|
char *name;
|
|
|
|
PA_LOCK(name, char *, nptr->name);
|
|
/*
|
|
* If this is a match, return success
|
|
* here.
|
|
*/
|
|
if (XP_STRCMP(cmp_name, name) == 0)
|
|
{
|
|
PA_UNLOCK(nptr->name);
|
|
if (nptr->element == NULL)
|
|
{
|
|
*xpos = 0;
|
|
*ypos = 0;
|
|
}
|
|
else
|
|
{
|
|
/* Convert from element coordinates to document coordinates */
|
|
lo_GetLayerXYShift(layer, xpos, ypos);
|
|
*xpos = - *xpos;
|
|
*ypos = - *ypos;
|
|
*xpos += nptr->element->lo_any.x + CL_GetLayerXOrigin(layer);
|
|
*ypos += nptr->element->lo_any.y + CL_GetLayerYOrigin(layer);
|
|
}
|
|
XP_FREE(cmp_name);
|
|
|
|
if (state->top_state->url != NULL)
|
|
{
|
|
XP_FREE(state->top_state->url);
|
|
}
|
|
state->top_state->url = XP_STRDUP(url);
|
|
LM_SendOnLocate(context, nptr);
|
|
return(TRUE);
|
|
}
|
|
PA_UNLOCK(nptr->name);
|
|
nptr = nptr->next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Failed to find the matchng name.
|
|
* If no match return the top of the doc.
|
|
*/
|
|
XP_FREE(cmp_name);
|
|
*xpos = 0;
|
|
*ypos = 0;
|
|
|
|
if (state->top_state->url != NULL)
|
|
{
|
|
XP_FREE(state->top_state->url);
|
|
}
|
|
state->top_state->url = XP_STRDUP(url);
|
|
return(TRUE);
|
|
}
|
|
|
|
|
|
Bool
|
|
LO_HasBGImage(MWContext *context)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if (top_state == NULL)
|
|
return(FALSE);
|
|
|
|
#ifdef XP_WIN
|
|
/*
|
|
* Evil hack alert.
|
|
* We don't want print context's under windows to use backdrops
|
|
* currently as it causes bad display (black in the transparent
|
|
* area due to drawing problems under windows).
|
|
*/
|
|
if(context->type == MWContextPrint || context->type == MWContextMetaFile)
|
|
{
|
|
return(FALSE);
|
|
}
|
|
#endif
|
|
|
|
return (LO_GetLayerBackdropURL(top_state->doc_layer) != NULL);
|
|
}
|
|
|
|
void
|
|
LO_GetDocumentMargins(MWContext *context,
|
|
int32 *margin_width, int32 *margin_height)
|
|
{
|
|
int32 doc_id;
|
|
lo_TopState *top_state;
|
|
lo_DocState *state;
|
|
|
|
/*
|
|
* Get the unique document ID, and retreive this
|
|
* documents layout state.
|
|
*/
|
|
doc_id = XP_DOCID(context);
|
|
top_state = lo_FetchTopState(doc_id);
|
|
if ((top_state == NULL)||(top_state->doc_state == NULL))
|
|
{
|
|
return;
|
|
}
|
|
state = top_state->doc_state;
|
|
|
|
*margin_width = state->win_left;
|
|
*margin_height = state->win_top;
|
|
}
|
|
|
|
|
|
/*
|
|
* Provide a way for the parser to see if the currently loaded
|
|
* document who might need a call to mocha to unload
|
|
*/
|
|
Bool
|
|
LO_CheckForUnload(MWContext *context)
|
|
{
|
|
lo_TopState *top_state;
|
|
|
|
top_state = lo_FetchTopState(XP_DOCID(context));
|
|
if (!top_state)
|
|
return FALSE;
|
|
|
|
return top_state->mocha_has_onunload;
|
|
}
|
|
|
|
/*
|
|
* netlib is done sending data to the parser
|
|
*/
|
|
void
|
|
LO_NetlibComplete(MWContext * context)
|
|
{
|
|
lo_TopState *top_state;
|
|
|
|
top_state = lo_FetchTopState(XP_DOCID(context));
|
|
if (!top_state)
|
|
return;
|
|
top_state->nurl = NULL;
|
|
}
|
|
|
|
/*
|
|
* Even though netlib is idle someone could be shoving data
|
|
* through layout/libparse. Provide a way for people on
|
|
* the outside to tell if this is the case or not.
|
|
*/
|
|
|
|
Bool
|
|
LO_LayingOut(MWContext * context)
|
|
{
|
|
lo_TopState *top_state;
|
|
|
|
top_state = lo_FetchTopState(XP_DOCID(context));
|
|
if (!top_state)
|
|
return FALSE;
|
|
return (top_state->doc_data != NULL);
|
|
}
|
|
|
|
|
|
void lo_UpdateStateWhileFlushingLine( MWContext *context, lo_DocState *state )
|
|
{
|
|
int32 justification_remainder=0;
|
|
|
|
if (state->top_state->nothing_displayed != FALSE) {
|
|
/*
|
|
* If we are displaying elements we are
|
|
* no longer in the HEAD section of the HTML
|
|
* we are in the BODY section.
|
|
*/
|
|
state->top_state->in_head = FALSE;
|
|
state->top_state->in_body = TRUE;
|
|
|
|
lo_use_default_doc_background(context, state);
|
|
state->top_state->nothing_displayed = FALSE;
|
|
}
|
|
|
|
/*
|
|
* There is a break at the end of this line.
|
|
* this may change min_width.
|
|
*/
|
|
{
|
|
int32 new_break_holder;
|
|
int32 min_width;
|
|
int32 indent;
|
|
|
|
new_break_holder = state->x;
|
|
min_width = new_break_holder - state->break_holder;
|
|
indent = state->list_stack->old_left_margin - state->win_left;
|
|
min_width += indent;
|
|
if (min_width > state->min_width)
|
|
{
|
|
state->min_width = min_width;
|
|
}
|
|
/* If we are not within <NOBR> content, allow break_holder
|
|
* to be set to the new position where a line break can occur.
|
|
* This fixes BUG #70782
|
|
*/
|
|
if (state->breakable != FALSE) {
|
|
state->break_holder = new_break_holder;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If in a division centering or right aligning this line
|
|
*/
|
|
if ((state->align_stack != NULL)&&(state->delay_align == FALSE))
|
|
{
|
|
int32 push_right;
|
|
LO_Element *tptr;
|
|
|
|
if (state->align_stack->alignment == LO_ALIGN_CENTER)
|
|
{
|
|
push_right = (state->right_margin - state->x) / 2;
|
|
}
|
|
else if (state->align_stack->alignment == LO_ALIGN_RIGHT)
|
|
{
|
|
push_right = state->right_margin - state->x;
|
|
}
|
|
else if(state->align_stack->alignment == LO_ALIGN_JUSTIFY)
|
|
{
|
|
push_right = lo_calc_push_right_for_justify(state, &justification_remainder);
|
|
}
|
|
else
|
|
{
|
|
push_right = 0;
|
|
}
|
|
|
|
if ((push_right > 0 || justification_remainder)
|
|
&&(state->line_list != NULL))
|
|
{
|
|
int32 count = 0;
|
|
int32 move_delta;
|
|
tptr = state->line_list;
|
|
|
|
if(state->align_stack->alignment == LO_ALIGN_JUSTIFY)
|
|
move_delta = 0;
|
|
else
|
|
move_delta = push_right;
|
|
|
|
while (tptr != NULL)
|
|
{
|
|
/*
|
|
* We don't shift over inflow layers, since their contents
|
|
* have already been shifted over.
|
|
*/
|
|
/*
|
|
* We also don't shift bullets of type BULLET_MQUOTE.
|
|
*/
|
|
if (((tptr->type != LO_CELL)||
|
|
(!tptr->lo_cell.cell_inflow_layer))&&
|
|
((tptr->type != LO_BULLET)||
|
|
((tptr->type == LO_BULLET)&&
|
|
(tptr->lo_bullet.bullet_type != BULLET_MQUOTE))))
|
|
{
|
|
tptr->lo_any.x += move_delta;
|
|
}
|
|
|
|
{
|
|
CL_Layer *layer = NULL;
|
|
int32 x, y;
|
|
int32 border_width;
|
|
int32 x_offset, y_offset;
|
|
|
|
border_width = 0;
|
|
x = tptr->lo_any.x;
|
|
y = tptr->lo_any.y;
|
|
x_offset = tptr->lo_any.x_offset;
|
|
y_offset = tptr->lo_any.y_offset;
|
|
|
|
switch (tptr->type)
|
|
{
|
|
case LO_IMAGE:
|
|
layer = tptr->lo_image.layer;
|
|
border_width = tptr->lo_image.border_width;
|
|
break;
|
|
#ifdef JAVA
|
|
case LO_JAVA:
|
|
layer = tptr->lo_java.objTag.layer;
|
|
border_width = tptr->lo_java.objTag.border_width;
|
|
break;
|
|
#endif
|
|
case LO_BUILTIN:
|
|
layer = tptr->lo_builtin.layer;
|
|
border_width = tptr->lo_builtin.border_width;
|
|
break;
|
|
case LO_EMBED:
|
|
layer = tptr->lo_embed.objTag.layer;
|
|
border_width = tptr->lo_embed.objTag.border_width;
|
|
break;
|
|
case LO_FORM_ELE:
|
|
layer = tptr->lo_form.layer;
|
|
break;
|
|
default:
|
|
layer = NULL;
|
|
break;
|
|
}
|
|
|
|
if (layer)
|
|
CL_MoveLayer(layer,
|
|
x + x_offset + border_width,
|
|
y + y_offset + border_width);
|
|
}
|
|
|
|
/* justification push_rights are additive */
|
|
if(state->align_stack->alignment == LO_ALIGN_JUSTIFY)
|
|
{
|
|
move_delta += push_right;
|
|
|
|
/* if there is a justification remainder, add a pixel
|
|
* to the first n word breaks
|
|
*/
|
|
if(count < justification_remainder)
|
|
move_delta++;
|
|
}
|
|
|
|
/*
|
|
* Note that if this is an inflow layer, we don't want
|
|
* to shift it since the alignment has already propogated
|
|
* to its contents.
|
|
*/
|
|
if ((tptr->type == LO_CELL) &&
|
|
!tptr->lo_cell.cell_inflow_layer)
|
|
{
|
|
lo_ShiftCell((LO_CellStruct *)tptr, move_delta, 0);
|
|
}
|
|
tptr = tptr->lo_any.next;
|
|
|
|
count++;
|
|
}
|
|
|
|
if(state->align_stack->alignment == LO_ALIGN_JUSTIFY)
|
|
state->x = state->right_margin;
|
|
else
|
|
state->x += push_right;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Add line feed to line list, update doc state, and set line height of
|
|
other elements on that line */
|
|
void lo_AppendLineFeed( MWContext *context, lo_DocState *state, LO_LinefeedStruct *linefeed, int32 breaking, Bool updateFE )
|
|
{
|
|
LO_Element *tptr;
|
|
|
|
if (breaking != FALSE)
|
|
{
|
|
linefeed->ele_attrmask |= LO_ELE_BREAKING;
|
|
}
|
|
|
|
/*
|
|
* Horrible bitflag overuse!!! For multicolumn text
|
|
* we need to know if a line of text can be used for
|
|
* a column break, or if it cannot because it is wrapped
|
|
* around some object in the margin. For lines that can be
|
|
* used for column breaks, we will set the BREAKABLE
|
|
* flag in their element mask.
|
|
*/
|
|
if ((state->left_margin_stack == NULL)&&
|
|
(state->right_margin_stack == NULL))
|
|
{
|
|
linefeed->ele_attrmask |= LO_ELE_BREAKABLE;
|
|
}
|
|
|
|
if ((state->align_stack != NULL)&&
|
|
(state->delay_align != FALSE)&&
|
|
(state->align_stack->alignment != LO_ALIGN_LEFT))
|
|
{
|
|
if (state->align_stack->alignment == LO_ALIGN_CENTER)
|
|
{
|
|
linefeed->ele_attrmask |= LO_ELE_DELAY_CENTER;
|
|
}
|
|
else if (state->align_stack->alignment == LO_ALIGN_RIGHT)
|
|
{
|
|
linefeed->ele_attrmask |= LO_ELE_DELAY_RIGHT;
|
|
}
|
|
}
|
|
|
|
tptr = state->line_list;
|
|
|
|
if (tptr == NULL)
|
|
{
|
|
state->line_list = (LO_Element *)linefeed;
|
|
linefeed->prev = NULL;
|
|
}
|
|
else
|
|
{
|
|
LO_Element *next_tptr = tptr;
|
|
do
|
|
{
|
|
tptr = next_tptr;
|
|
if (updateFE)
|
|
{
|
|
/*
|
|
* If the display is blocked for an element
|
|
* we havn't reached yet, check to see if
|
|
* it is in this line, and if so, save its
|
|
* y position.
|
|
*/
|
|
if ((state->display_blocked != FALSE)&&
|
|
#ifdef EDITOR
|
|
(!state->edit_relayout_display_blocked)&&
|
|
#endif
|
|
(state->is_a_subdoc == SUBDOC_NOT)&&
|
|
(state->display_blocking_element_y == 0)&&
|
|
(state->display_blocking_element_id != -1)&&
|
|
(tptr->lo_any.ele_id >=
|
|
state->display_blocking_element_id))
|
|
{
|
|
state->display_blocking_element_y =
|
|
state->y;
|
|
/*
|
|
* Special case, if the blocking element
|
|
* is on the first line, no blocking
|
|
* at all needs to happen.
|
|
*/
|
|
if (state->y == state->win_top)
|
|
{
|
|
state->display_blocked = FALSE;
|
|
FE_SetDocPosition(context,
|
|
FE_VIEW, 0, state->base_y);
|
|
if (context->compositor)
|
|
{
|
|
XP_Rect rect;
|
|
|
|
rect.left = 0;
|
|
rect.top = 0;
|
|
rect.right = state->win_width;
|
|
rect.bottom = state->win_height;
|
|
CL_UpdateDocumentRect(context->compositor,
|
|
&rect, (PRBool)FALSE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
tptr->lo_any.line_height = state->line_height;
|
|
/*
|
|
* Special for bullets of type BULLET_MQUOTE
|
|
* They should always be as tall as the line.
|
|
*/
|
|
if ((tptr->type == LO_BULLET)&&
|
|
(tptr->lo_bullet.bullet_type ==
|
|
BULLET_MQUOTE))
|
|
{
|
|
tptr->lo_any.y_offset = 0;
|
|
tptr->lo_any.height =
|
|
tptr->lo_any.line_height;
|
|
}
|
|
|
|
if ( (next_tptr = tptr->lo_any.next) == NULL )
|
|
{
|
|
tptr->lo_any.next = (LO_Element*)linefeed;
|
|
linefeed->prev = tptr;
|
|
}
|
|
} while( next_tptr != NULL );
|
|
}
|
|
state->x += linefeed->width;
|
|
}
|
|
|
|
void lo_AppendLineListToLineArray( MWContext *context, lo_DocState *state, LO_Element *lastElementOnLineList)
|
|
{
|
|
LO_Element **line_array;
|
|
#ifdef XP_WIN16
|
|
int32 a_size;
|
|
int32 a_indx;
|
|
int32 a_line;
|
|
XP_Block *larray_array;
|
|
#endif /* XP_WIN16 */
|
|
|
|
/*
|
|
* If necessary, grow the line array to hold more lines.
|
|
*/
|
|
#ifdef XP_WIN16
|
|
a_size = SIZE_LIMIT / sizeof(LO_Element *);
|
|
a_indx = (state->line_num - 1) / a_size;
|
|
a_line = state->line_num - (a_indx * a_size);
|
|
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *, state->larray_array);
|
|
state->line_array = larray_array[a_indx];
|
|
|
|
if (a_line == a_size)
|
|
{
|
|
state->line_array = XP_ALLOC_BLOCK(LINE_INC *
|
|
sizeof(LO_Element *));
|
|
if (state->line_array == NULL)
|
|
{
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
state->top_state->out_of_memory = TRUE;
|
|
return;
|
|
}
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
line_array[0] = NULL;
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
state->line_array_size = LINE_INC;
|
|
|
|
state->larray_array_size++;
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
state->larray_array = XP_REALLOC_BLOCK(
|
|
state->larray_array, (state->larray_array_size
|
|
* sizeof(XP_Block)));
|
|
if (state->larray_array == NULL)
|
|
{
|
|
state->top_state->out_of_memory = TRUE;
|
|
return;
|
|
}
|
|
XP_LOCK_BLOCK(larray_array, XP_Block *, state->larray_array);
|
|
larray_array[state->larray_array_size - 1] = state->line_array;
|
|
state->line_array = larray_array[a_indx];
|
|
}
|
|
else if (a_line >= state->line_array_size)
|
|
{
|
|
state->line_array_size += LINE_INC;
|
|
if (state->line_array_size > a_size)
|
|
{
|
|
state->line_array_size = (intn)a_size;
|
|
}
|
|
state->line_array = XP_REALLOC_BLOCK(state->line_array,
|
|
(state->line_array_size * sizeof(LO_Element *)));
|
|
if (state->line_array == NULL)
|
|
{
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
state->top_state->out_of_memory = TRUE;
|
|
return;
|
|
}
|
|
larray_array[a_indx] = state->line_array;
|
|
}
|
|
|
|
/*
|
|
* Place this line of elements into the line array.
|
|
*/
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
line_array[a_line - 1] = state->line_list;
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
|
|
XP_UNLOCK_BLOCK(state->larray_array);
|
|
#else
|
|
if (state->line_num > state->line_array_size)
|
|
{
|
|
int32 line_inc;
|
|
|
|
if (state->line_array_size > (LINE_INC * 10))
|
|
{
|
|
line_inc = state->line_array_size / 10;
|
|
}
|
|
else
|
|
{
|
|
line_inc = LINE_INC;
|
|
}
|
|
|
|
state->line_array = XP_REALLOC_BLOCK(state->line_array,
|
|
((state->line_array_size + line_inc) *
|
|
sizeof(LO_Element *)));
|
|
if (state->line_array == NULL)
|
|
{
|
|
state->top_state->out_of_memory = TRUE;
|
|
return;
|
|
}
|
|
state->line_array_size += line_inc;
|
|
}
|
|
|
|
/*
|
|
* Place this line of elements into the line array.
|
|
*/
|
|
XP_LOCK_BLOCK(line_array, LO_Element **, state->line_array);
|
|
line_array[state->line_num - 1] = state->line_list;
|
|
XP_UNLOCK_BLOCK(state->line_array);
|
|
#endif /* XP_WIN16 */
|
|
|
|
/*
|
|
* connect the complete doubly linked list between this line
|
|
* and the last one.
|
|
*/
|
|
if (state->end_last_line != NULL)
|
|
{
|
|
state->end_last_line->lo_any.next = state->line_list;
|
|
state->line_list->lo_any.prev = state->end_last_line;
|
|
}
|
|
|
|
state->end_last_line = lastElementOnLineList;
|
|
|
|
state->line_list = NULL;
|
|
state->line_num++;
|
|
}
|
|
|
|
void lo_UpdateStateAfterFlushingLine( MWContext *context, lo_DocState *state, LO_LinefeedStruct *linefeed, Bool inRelayout )
|
|
{
|
|
/* LO_LinefeedStruct *linefeed; */
|
|
|
|
/*
|
|
* We are in a layer within this (sub)doc, stuff the line there instead.
|
|
*/
|
|
if (state->layer_nest_level > 0)
|
|
{
|
|
lo_AddLineListToLayer(context, state, (LO_Element *)linefeed);
|
|
state->line_list = NULL;
|
|
state->old_break = NULL;
|
|
state->old_break_block = NULL;
|
|
state->old_break_pos = -1;
|
|
state->old_break_width = 0;
|
|
state->baseline = 0;
|
|
return;
|
|
}
|
|
|
|
lo_AppendLineListToLineArray( context, state, (LO_Element *) linefeed );
|
|
|
|
/*
|
|
*Don't draw if we're doing layers...we'll just refresh when the
|
|
* the layer size increases.
|
|
*/
|
|
/*
|
|
* Have the front end display this line.
|
|
*/
|
|
/* For layers, only draw if a compositor doesn't exist */
|
|
if (!context->compositor && !inRelayout)
|
|
/* We need to supply a display rectangle that is guaranteed to
|
|
encompass all elements on the line. The special 0x3fffffff
|
|
value is approximately half the range of a 32-bit int, so
|
|
it leaves room for overflow if arithmetic is done on these
|
|
values. */
|
|
lo_DisplayLine(context, state, (state->line_num - 2),
|
|
0, 0, 0x3fffffffL, 0x3fffffffL);
|
|
|
|
/*
|
|
* We are starting a new line. Clear any old break
|
|
* positions left over, clear the line_list, and increase
|
|
* the line number.
|
|
*/
|
|
state->old_break = NULL;
|
|
state->old_break_block = NULL;
|
|
state->old_break_pos = -1;
|
|
state->old_break_width = 0;
|
|
state->baseline = 0;
|
|
}
|
|
|
|
#ifdef TEST_16BIT
|
|
#undef XP_WIN16
|
|
#endif /* TEST_16BIT */
|
|
|
|
#ifdef PROFILE
|
|
#pragma profile off
|
|
#endif
|