401 строка
11 KiB
C
401 строка
11 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stephen Mak <smak@sun.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* npshell.c
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*
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* Netscape Client Plugin API
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* - Function that need to be implemented by plugin developers
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*
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* This file defines a "shell" plugin that plugin developers can use
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* as the basis for a real plugin. This shell just provides empty
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* implementations of all functions that the plugin can implement
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* that will be called by Netscape (the NPP_xxx methods defined in
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* npapi.h).
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*
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* dp Suresh <dp@netscape.com>
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* updated 5/1998 <pollmann@netscape.com>
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* updated 9/2000 <smak@sun.com>
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* updated 3/2004 <dantifer.dang@sun.com>
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include "npapi.h"
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#include "printplugin.h"
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#include "strings.h"
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#include "plstr.h"
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/***********************************************************************
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*
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* Implementations of plugin API functions
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*
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***********************************************************************/
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char*
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NPP_GetMIMEDescription(void)
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{
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return(MIME_TYPES_HANDLED);
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}
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NPError
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NPP_GetValue(NPP instance, NPPVariable variable, void *value)
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{
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NPError err = NPERR_NO_ERROR;
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switch (variable) {
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case NPPVpluginNameString:
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*((char **)value) = PLUGIN_NAME;
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break;
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case NPPVpluginDescriptionString:
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*((char **)value) = PLUGIN_DESCRIPTION;
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break;
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default:
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err = NPERR_GENERIC_ERROR;
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}
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return err;
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}
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NPError
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NPP_Initialize(void)
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{
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return NPERR_NO_ERROR;
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}
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#ifdef OJI
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jref
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NPP_GetJavaClass()
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{
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return NULL;
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}
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#endif
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void
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NPP_Shutdown(void)
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{
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}
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NPError
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NPP_New(NPMIMEType pluginType,
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NPP instance,
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uint16 mode,
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int16 argc,
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char* argn[],
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char* argv[],
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NPSavedData* saved)
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{
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PluginInstance* This;
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if (instance == NULL)
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return NPERR_INVALID_INSTANCE_ERROR;
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instance->pdata = NPN_MemAlloc(sizeof(PluginInstance));
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This = (PluginInstance*) instance->pdata;
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if (This == NULL)
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{
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return NPERR_OUT_OF_MEMORY_ERROR;
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}
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memset(This, 0, sizeof(PluginInstance));
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/* mode is NP_EMBED, NP_FULL, or NP_BACKGROUND (see npapi.h) */
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This->mode = mode;
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This->type = dupMimeType(pluginType);
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This->instance = instance;
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This->pluginsPrintMessage = NULL;
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This->exists = FALSE;
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/* Parse argument list passed to plugin instance */
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/* We are interested in these arguments
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* PLUGINSPAGE = <url>
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*/
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while (argc > 0)
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{
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argc --;
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if (argv[argc] != NULL)
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{
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if (!PL_strcasecmp(argn[argc], "PRINTMSG"))
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This->pluginsPrintMessage = strdup(argv[argc]);
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else if (!PL_strcasecmp(argn[argc], "HIDDEN"))
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This->pluginsHidden = (!PL_strcasecmp(argv[argc],
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"TRUE"));
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}
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}
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return NPERR_NO_ERROR;
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}
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NPError
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NPP_Destroy(NPP instance, NPSavedData** save)
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{
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PluginInstance* This;
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if (instance == NULL)
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return NPERR_INVALID_INSTANCE_ERROR;
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This = (PluginInstance*) instance->pdata;
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if (This != NULL) {
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if (This->type)
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NPN_MemFree(This->type);
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if (This->pluginsPrintMessage)
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NPN_MemFree(This->pluginsPrintMessage);
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NPN_MemFree(instance->pdata);
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instance->pdata = NULL;
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}
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return NPERR_NO_ERROR;
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}
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NPError
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NPP_SetWindow(NPP instance, NPWindow* window)
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{
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PluginInstance* This;
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NPSetWindowCallbackStruct *ws_info;
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if (instance == NULL)
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return NPERR_INVALID_INSTANCE_ERROR;
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This = (PluginInstance*) instance->pdata;
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if (This == NULL)
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return NPERR_INVALID_INSTANCE_ERROR;
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ws_info = (NPSetWindowCallbackStruct *)window->ws_info;
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#ifdef MOZ_X11
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if (This->window == (Window) window->window) {
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/* The page with the plugin is being resized.
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Save any UI information because the next time
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around expect a SetWindow with a new window
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id.
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*/
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#ifdef DEBUG
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fprintf(stderr, "Printplugin: plugin received window resize.\n");
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fprintf(stderr, "Window=(%i)\n", (int)window);
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if (window) {
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fprintf(stderr, "W=(%i) H=(%i)\n",
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(int)window->width, (int)window->height);
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}
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#endif
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return NPERR_NO_ERROR;
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} else {
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This->window = (Window) window->window;
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This->x = window->x;
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This->y = window->y;
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This->width = window->width;
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This->height = window->height;
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This->display = ws_info->display;
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This->visual = ws_info->visual;
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This->depth = ws_info->depth;
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This->colormap = ws_info->colormap;
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printScreenMessage(This);
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}
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#endif /* #ifdef MOZ_X11 */
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return NPERR_NO_ERROR;
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}
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NPError
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NPP_NewStream(NPP instance,
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NPMIMEType type,
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NPStream *stream,
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NPBool seekable,
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uint16 *stype)
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{
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if (instance == NULL)
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return NPERR_INVALID_INSTANCE_ERROR;
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return NPERR_NO_ERROR;
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}
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int32
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NPP_WriteReady(NPP instance, NPStream *stream)
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{
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if (instance == NULL)
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return NPERR_INVALID_INSTANCE_ERROR;
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/* We don't want any data, kill the stream */
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NPN_DestroyStream(instance, stream, NPRES_DONE);
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/* Number of bytes ready to accept in NPP_Write() */
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return -1L; /* don't accept any bytes in NPP_Write() */
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}
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int32
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NPP_Write(NPP instance, NPStream *stream, int32 offset, int32 len, void *buffer)
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{
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if (instance == NULL)
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return NPERR_INVALID_INSTANCE_ERROR;
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/* We don't want any data, kill the stream */
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NPN_DestroyStream(instance, stream, NPRES_DONE);
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return -1L; /* don't accept any bytes in NPP_Write() */
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}
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NPError
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NPP_DestroyStream(NPP instance, NPStream *stream, NPError reason)
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{
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if (instance == NULL)
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return NPERR_INVALID_INSTANCE_ERROR;
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/***** Insert NPP_DestroyStream code here *****\
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PluginInstance* This;
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This = (PluginInstance*) instance->pdata;
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\**********************************************/
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return NPERR_NO_ERROR;
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}
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void
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NPP_StreamAsFile(NPP instance, NPStream *stream, const char* fname)
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{
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/***** Insert NPP_StreamAsFile code here *****\
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PluginInstance* This;
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if (instance != NULL)
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This = (PluginInstance*) instance->pdata;
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\*********************************************/
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}
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void
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NPP_URLNotify(NPP instance, const char* url,
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NPReason reason, void* notifyData)
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{
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/***** Insert NPP_URLNotify code here *****\
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PluginInstance* This;
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if (instance != NULL)
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This = (PluginInstance*) instance->pdata;
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\*********************************************/
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}
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void
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NPP_Print(NPP instance, NPPrint* printInfo)
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{
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if(printInfo == NULL)
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return;
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if (instance != NULL) {
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/***** Insert NPP_Print code here *****\
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PluginInstance* This = (PluginInstance*) instance->pdata;
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\**************************************/
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if (printInfo->mode == NP_FULL) {
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/*
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* PLUGIN DEVELOPERS:
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* If your plugin would like to take over
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* printing completely when it is in full-screen mode,
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* set printInfo->pluginPrinted to TRUE and print your
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* plugin as you see fit. If your plugin wants Netscape
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* to handle printing in this case, set
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* printInfo->pluginPrinted to FALSE (the default) and
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* do nothing. If you do want to handle printing
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* yourself, printOne is true if the print button
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* (as opposed to the print menu) was clicked.
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* On the Macintosh, platformPrint is a THPrint; on
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* Windows, platformPrint is a structure
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* (defined in npapi.h) containing the printer name, port,
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* etc.
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*/
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/***** Insert NPP_Print code here *****\
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void* platformPrint =
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printInfo->print.fullPrint.platformPrint;
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NPBool printOne =
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printInfo->print.fullPrint.printOne;
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\**************************************/
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/* Do the default*/
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printInfo->print.fullPrint.pluginPrinted = FALSE;
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}
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else { /* If not fullscreen, we must be embedded */
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/*
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* PLUGIN DEVELOPERS:
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* If your plugin is embedded, or is full-screen
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* but you returned false in pluginPrinted above, NPP_Print
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* will be called with mode == NP_EMBED. The NPWindow
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* in the printInfo gives the location and dimensions of
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* the embedded plugin on the printed page. On the
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* Macintosh, platformPrint is the printer port; on
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* Windows, platformPrint is the handle to the printing
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* device context.
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*/
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/***** Insert NPP_Print code here *****\
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NPWindow* printWindow =
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&(printInfo->print.embedPrint.window);
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void* platformPrint =
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printInfo->print.embedPrint.platformPrint;
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\**************************************/
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PluginInstance* This;
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NPPrintCallbackStruct* platformPrint;
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FILE *output;
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platformPrint =
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(NPPrintCallbackStruct *)(printInfo->print.embedPrint.platformPrint);
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output = (FILE*)(platformPrint->fp);
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if (output == NULL)
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return;
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This = (PluginInstance*) instance->pdata;
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if (This == NULL)
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return;
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printEPSMessage(This, output, printInfo->print.embedPrint.window);
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}
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}
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}
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