зеркало из https://github.com/mozilla/pjs.git
306 строки
13 KiB
C++
306 строки
13 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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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#ifndef _MsgView_H_
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#define _MsgView_H_
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typedef uint32 MSG_ViewIndex;
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const uint32 kViewIndexNone = MSG_VIEWINDEXNONE;
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#include "msg.h"
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#include "msgdb.h"
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#include "idarray.h"
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#include "bytearr.h"
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#include "errcode.h"
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#include "chngntfy.h"
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#include "abcom.h"
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class XPStringObj;
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class ViewChangeListener : public ChangeListener
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{
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public:
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ViewChangeListener(MessageDBView *view);
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virtual ~ViewChangeListener();
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virtual void OnViewChange(MSG_ViewIndex startIndex, int32 numChanged,
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MSG_NOTIFY_CODE changeType,
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ChangeListener *instigator);
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virtual void OnViewStartChange(MSG_ViewIndex startIndex, int32 numChanged,
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MSG_NOTIFY_CODE changeType,
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ChangeListener *instigator);
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virtual void OnViewEndChange(MSG_ViewIndex startIndex, int32 numChanged,
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MSG_NOTIFY_CODE changeType,
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ChangeListener *instigator);
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virtual void OnKeyChange(MessageKey keyChanged, int32 flags,
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ChangeListener *instigator);
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virtual void OnAnnouncerGoingAway (ChangeAnnouncer *instigator);
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protected:
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MessageDBView *m_dbView;
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};
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typedef int32 ViewFlags;
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// flags for GetViewFlags
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const int kOutlineDisplay = 0x1;
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const int kFlatDisplay = 0x2;
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const int kShowIgnored = 0x8;
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const int kUnreadOnly = 0x10;
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class MessageDBView : public ChangeAnnouncer
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{
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friend class ViewChangeListener;
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public:
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MessageDBView();
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// Open and close methods
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static MsgERR OpenURL(const char * url, MSG_Master *master,
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ViewType viewType, MessageDBView **view, XP_Bool openInForeground);
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static MsgERR OpenViewOnDB(MessageDB *msgDB, ViewType viewType,
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MessageDBView ** pRetView,
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XP_Bool runInForeground = TRUE);
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virtual MsgERR Open(MessageDB *messageDB, ViewType viewType,
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uint32* pCount, XP_Bool runInForeground = TRUE);
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virtual MsgERR Close();
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virtual MsgERR Init(uint32 *pCount, XP_Bool runInForeground = TRUE);
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virtual MsgERR InitSort(SortType sortType, SortOrder sortOrder);
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virtual int32 AddKeys(MessageKey *pOutput, int32 *pFlags, char *pLevels, SortType sortType, int numListed);
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// Methods dealing with adding headers
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// this is for background loading and indicates to the view that no
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// more headers are coming. For example, the view of only threads with
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// new documents could throw away all threads not having new at this point,
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// and whatever data structures it no longer needs
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virtual MsgERR FinishedAddingHeaders();
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// this tells the view that we've added a chunk and we need to add them to
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// the db and view. For threaded views, we want to do threading in chunks.
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virtual MsgERR AddNewMessages() = 0;
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// for news, xover line, potentially, for IMAP, imap line...
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virtual MsgERR AddHdrFromServerLine(char *line, MessageKey *msgId) = 0;
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virtual MsgERR AddHdr(DBMessageHdr *msgHdr);
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virtual MsgERR InsertHdrAt(DBMessageHdr *msgHdr, MSG_ViewIndex index);
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virtual MsgERR OnNewHeader(MessageKey newKey, XP_Bool ensureListed);
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virtual XP_Bool WantsThisThread(DBThreadMessageHdr *threadHdr);
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public:
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// accessors
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virtual ViewType GetViewType(void) {return m_viewType;}
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XP_Bool GetShowingIgnored();
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void SetShowingIgnored(XP_Bool bShowIgnored);
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MessageDB *GetDB() {return m_messageDB;}
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virtual void SetInitialSortState(void) = 0;
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virtual const char * GetViewName(void) = 0;
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MsgERR ListThreads(MessageKey *pMessageNums, int numToList,
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MessageHdrStruct *pOutput, int *pNumListed);
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MsgERR ListThreadsShort(MessageKey *pMessageNums, int numToList,
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MSG_MessageLine *pOutput, int *pNumListed);
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// list the headers of the top-level thread ids
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MsgERR ListThreadIds(MessageKey *startMsg, MessageKey *pOutput,
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int numToList, int *numListed);
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MsgERR ListThreadIds(ListContext *context, MessageKey *pOutput,
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int numToList, int *numListed);
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// return the list header information for the documents in a thread.
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MsgERR ListThread(MessageKey threadId, MessageKey startMsg,
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int numToList, MessageHdrStruct *pOutput,
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int *pNumListed);
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MsgERR ListThreadShort(MessageKey threadId, MessageKey startMsg,
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int numToList, MSG_MessageLine *pOutput,
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int *pNumListed);
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// list headers by index
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virtual MsgERR ListShortMsgHdrByIndex(MSG_ViewIndex startIndex,
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int numToList,
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MSG_MessageLine *pOutput,
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int *pNumListed);
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virtual MsgERR ListMsgHdrByIndex(MSG_ViewIndex startIndex,
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int numToList, MessageHdrStruct *pOutput,
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int *pNumListed);
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MsgERR GetMsgLevelByIndex(MSG_ViewIndex index, int &level);
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// view modification by index.
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MsgERR ToggleIgnored(MSG_ViewIndex* indices, int32 numIndices, XP_Bool *resultToggleState);
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MsgERR ToggleWatched(MSG_ViewIndex* indices, int32 numIndices);
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MsgERR ExpansionDelta(MSG_ViewIndex index, int32 *expansionDelta);
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MsgERR ToggleExpansion(MSG_ViewIndex index, uint32 *numChanged);
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MsgERR ExpandByIndex(MSG_ViewIndex index, uint32 *numExpanded);
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MsgERR CollapseByIndex(MSG_ViewIndex index, uint32 *numCollapsed);
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MsgERR ExpandAll();
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MsgERR CollapseAll();
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// navigation routines
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// This can cause a thread to be expanded. Maybe caller doesn't care...
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// But we'll return the index of any expanded thread, if asked, and the
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// index where we landed..
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MsgERR Navigate(MSG_ViewIndex startIndex, MSG_MotionType motion,
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MessageKey *pResultKey, MSG_ViewIndex *resultIndex,
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MSG_ViewIndex *pThreadIndex, XP_Bool wrap = TRUE);
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// Data navigate has no side effects - could be used to see if navigate
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// is valid...
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MsgERR DataNavigate(MessageKey startKey, MSG_MotionType motion,
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MessageKey *pResultKey, MessageKey *pThreadKey);
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MsgERR GetNavigateStatus(MSG_MotionType motion, MSG_ViewIndex index,
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XP_Bool *selectable_p,
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const char **display_string);
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MsgERR FindNextUnread(MessageKey startId, MessageKey *resultId,
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MessageKey *resultThreadId);
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MsgERR FindPrevUnread(MessageKey startKey, MessageKey *pResultKey,
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MessageKey *resultThreadId = NULL);
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MsgERR FindFirstFlagged(MSG_ViewIndex * pResultIndex);
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MsgERR FindPrevFlagged(MSG_ViewIndex startIndex, MSG_ViewIndex *pResultIndex);
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MsgERR FindNextFlagged(MSG_ViewIndex startIndex, MSG_ViewIndex *pResultIndex);
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MsgERR FindFirstNew(MSG_ViewIndex *pResultIndex);
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// view modifications methods by index
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MsgERR ToggleReadByIndex(MSG_ViewIndex index);
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MsgERR SetReadByIndex(MSG_ViewIndex index, XP_Bool read);
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MsgERR SetThreadOfMsgReadByIndex(MSG_ViewIndex index, XP_Bool read);
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MsgERR ToggleThreadIgnored(DBThreadMessageHdr *thread, MSG_ViewIndex index);
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MsgERR SetThreadIgnored(DBThreadMessageHdr *thread, MSG_ViewIndex index,
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XP_Bool ignored);
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MsgERR MarkMarkedByIndex(MSG_ViewIndex index, XP_Bool mark);
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MsgERR ToggleThreadWatched(DBThreadMessageHdr *thread, MSG_ViewIndex index);
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MsgERR SetThreadWatched(DBThreadMessageHdr *thread, MSG_ViewIndex index,
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XP_Bool watched);
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MsgERR SetKeyByIndex(MSG_ViewIndex index, MessageKey id);
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virtual MsgERR RemoveByIndex(MSG_ViewIndex index);
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MsgERR InsertByIndex(MSG_ViewIndex index, MessageKey id);
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MsgERR DeleteMessagesByIndex(MSG_ViewIndex *indices, int32 numIndices, XP_Bool removeFromDB);
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virtual MsgERR DeleteMsgByIndex(MSG_ViewIndex index, XP_Bool removeFromDB);
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/* these are the old methods....delete these once everyone in Nova is using the new address book */
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MsgERR AddSenderToABByIndex(MWContext* context, MSG_ViewIndex index, XP_Bool lastOneToAdd, XP_Bool displayRecip);
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MsgERR AddAllToABByIndex(MWContext* context, MSG_ViewIndex index, XP_Bool lastOneToAdd);
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/* new address book APIs require a destination container */
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MsgERR AddSenderToABByIndex(MSG_Pane * pane, MWContext* context, MSG_ViewIndex index, XP_Bool lastOneToAdd, XP_Bool displayRecip, AB_ContainerInfo * destAB);
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MsgERR AddAllToABByIndex(MSG_Pane * pane, MWContext* context, MSG_ViewIndex index, XP_Bool lastOneToAdd, AB_ContainerInfo * destAB);
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// view modifications methods by ID - returned index can be useful to
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// caller.
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MsgERR SetReadByID(MessageKey id, XP_Bool read, MSG_ViewIndex* pIndex);
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MsgERR InsertByID(MessageKey id, MessageKey newId, MSG_ViewIndex* pIndex);
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// make sure the passed key is "in" the view (e.g., for a threaded sort, this
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// may just mean the parent thread is in the view).
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virtual void EnsureListed(MessageKey key);
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void EnableChangeUpdates();
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void DisableChangeUpdates();
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void NoteChange(MSG_ViewIndex firstlineChanged, int numChanged,
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MSG_NOTIFY_CODE changeType);
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void NoteStartChange(MSG_ViewIndex firstlineChanged, int numChanged,
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MSG_NOTIFY_CODE changeType);
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void NoteEndChange(MSG_ViewIndex firstlineChanged, int numChanged,
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MSG_NOTIFY_CODE changeType);
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// array accessors
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MessageKey GetAt(MSG_ViewIndex index) ;
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MSG_ViewIndex FindViewIndex(MessageKey key)
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{return (MSG_ViewIndex) (m_idArray.FindIndex(key));}
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virtual MSG_ViewIndex FindKey(MessageKey key, XP_Bool expand);
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int GetSize(void) {return(m_idArray.GetSize());}
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virtual MsgViewIndex GetThreadFromMsgIndex(MsgViewIndex index,
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DBThreadMessageHdr **threadHdr);
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virtual MSG_ViewIndex ThreadIndexOfMsg(MessageKey msgKey,
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MSG_ViewIndex msgIndex = kViewIndexNone,
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int32 *pThreadCount = NULL,
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uint32 *pFlags = NULL);
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// public methods dealing with sorting
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virtual MsgERR Sort(SortType sortType, SortOrder sortOrder);
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virtual MsgERR ExternalSort(SortType sort_key,
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XP_Bool sort_forward_p);
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SortType GetSortType(void) {return(m_sortType);}
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SortOrder GetSortOrder(void) {return m_sortOrder;}
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enum eFieldType {
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kString,
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kU16,
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kU32
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};
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MSG_ViewIndex GetInsertIndex(DBMessageHdr *msgHdr);
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// methods dealing with view flags
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virtual MsgERR OrExtraFlag(MSG_ViewIndex index, char orflag);
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virtual MsgERR AndExtraFlag(MSG_ViewIndex index, char andflag);
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virtual MsgERR SetExtraFlag(MSG_ViewIndex index, char setflag);
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virtual MsgERR GetExtraFlag(MSG_ViewIndex, char *extraFlag);
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virtual void SetExtraFlagsFromDBFlags(uint32 messageFlags,
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MSG_ViewIndex index);
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static void CopyExtraFlagsToDBFlags(char flags,
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uint32 *messageFlags);
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static void CopyDBFlagsToExtraFlags(uint32 messageFlags,
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char *extraFlags);
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static void CopyExtraFlagsToPublicFlags(char flags,
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uint32 *messageFlags);
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virtual XPByteArray *GetFlagsArray() {return &m_flags;}
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int32 AddReference ();
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protected:
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static void InitNavigateCommands();
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virtual void OnHeaderAddedOrDeleted() {}
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virtual void OnExtraFlagChanged(MSG_ViewIndex /*index*/, char /*extraFlag*/) {}
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virtual XP_Bool IsValidIndex(MSG_ViewIndex index);
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virtual MSG_ViewIndex GetIndexOfFirstDisplayedKeyInThread(DBThreadMessageHdr *threadHdr);
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virtual DBMessageHdr *GetFirstDisplayedHdrInThread(DBThreadMessageHdr *threadHdr);
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virtual DBMessageHdr *GetFirstMessageHdrToDisplayInThread(DBThreadMessageHdr *threadHdr);
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virtual int32 CountExpandedThread(MSG_ViewIndex index);
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virtual MsgERR MarkThreadOfMsgRead(MessageKey msgId, MSG_ViewIndex msgIndex,
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XP_Bool bRead);
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virtual MsgERR MarkThreadRead(DBThreadMessageHdr *threadHdr,
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MSG_ViewIndex threadIndex, XP_Bool bRead);
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virtual MsgERR SortInternal(SortType sortType, SortOrder sortOrder);
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void ReverseSort();
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virtual MsgERR ReverseThreads();
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// helper routines for internal sort
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char *GetStringField(DBMessageHdr *msgHdr, SortType sortType, int16 csid, XPStringObj &string);
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uint32 GetLongField(DBMessageHdr *msgHdr, SortType sortType);
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eFieldType GetFieldTypeAndLenForSort(SortType sortType, uint16 *pMaxLen);
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uint32 GetStatusSortValue(DBMessageHdr *msgHdr);
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static MessageDBView *CacheLookup (MessageDB *, ViewType);
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static XP_List *m_viewCache;
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void CacheAdd ();
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void CacheRemove ();
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virtual ~MessageDBView();
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int32 m_refCount;
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protected:
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static uint32 m_publicEquivOfExtraFlags;
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SortType m_sortType;
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SortOrder m_sortOrder;
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ViewType m_viewType;
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ViewFlags m_viewFlags;
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IDArray m_idArray;
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XPByteArray m_flags;
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XPByteArray m_levels;
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MessageDB *m_messageDB;
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ViewChangeListener m_changeListener;
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XP_Bool m_sortValid; // has id array been added to since we sorted?
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} ;
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#endif
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