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/*
Miranda IM: the free IM client for Microsoft* Windows*
Copyright 2000-2008 Miranda ICQ/IM project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* Author Artem Shpynov aka FYR
* Copyright 2000-2008 Artem Shpynov
*/
//////////////////////////////////////////////////////////////////////////
// Module to async parsing of texts
#include "hdr/modern_commonheaders.h"
#include "hdr/modern_gettextasync.h"
#include "newpluginapi.h"
#include "hdr/modern_sync.h"
int CLUI_SyncSetPDNCE(WPARAM wParam, LPARAM lParam);
int CLUI_SyncGetShortData(WPARAM wParam, LPARAM lParam);
#define gtalock EnterCriticalSection(>aCS)
#define gtaunlock LeaveCriticalSection( >aCS )
typedef struct _GetTextAsyncItem {
HANDLE hContact;
struct ClcData *dat;
struct _GetTextAsyncItem *Next;
} GTACHAINITEM;
static GTACHAINITEM * gtaFirstItem = NULL;
static GTACHAINITEM * gtaLastItem = NULL;
static CRITICAL_SECTION gtaCS;
static HANDLE hgtaWakeupEvent = NULL;
static BOOL gtaGetItem(GTACHAINITEM * mpChain)
{
gtalock;
if ( !gtaFirstItem)
{
gtaunlock;
return FALSE;
}
else if (mpChain)
{
GTACHAINITEM * ch;
ch = gtaFirstItem;
*mpChain = *ch;
gtaFirstItem = (GTACHAINITEM *)ch->Next;
if ( !gtaFirstItem) gtaLastItem = NULL;
free(ch);
gtaunlock;
return TRUE;
}
gtaunlock;
return FALSE;
}
static int gtaThreadProc(void * lpParam)
{
BOOL exit = FALSE;
HWND hwnd = pcli->hwndContactList;
struct SHORTDATA data = {0};
struct SHORTDATA * dat;
while (!MirandaExiting())
{
Sync(CLUI_SyncGetShortData,(WPARAM)pcli->hwndContactTree,(LPARAM)&data);
do
{
if ( !MirandaExiting())
SleepEx(0,TRUE); //1000 contacts per second
if (MirandaExiting())
{
g_dwGetTextAsyncThreadID = 0;
return 0;
}
else
{
GTACHAINITEM mpChain = {0};
struct SHORTDATA dat2 = {0};
if ( !gtaGetItem(&mpChain)) break;
if (mpChain.dat == NULL || (!IsBadReadPtr(mpChain.dat,sizeof(mpChain.dat)) && mpChain.dat->hWnd == data.hWnd)) dat = &data;
else
{
Sync(CLUI_SyncGetShortData,(WPARAM)mpChain.dat->hWnd,(LPARAM)&dat2);
dat = &dat2;
}
if ( !MirandaExiting())
{
ClcCacheEntry cacheEntry;
memset( &cacheEntry, 0, sizeof(cacheEntry));
cacheEntry.hContact = mpChain.hContact;
if ( !Sync(CLUI_SyncGetPDNCE, (WPARAM) 0,(LPARAM)&cacheEntry))
{
if ( !MirandaExiting())
Cache_GetSecondLineText(dat, &cacheEntry);
if ( !MirandaExiting())
Cache_GetThirdLineText(dat, &cacheEntry);
if ( !MirandaExiting())
Sync(CLUI_SyncSetPDNCE, (WPARAM) CCI_LINES,(LPARAM)&cacheEntry);
CListSettings_FreeCacheItemData(&cacheEntry);
}
}
else
{
g_dwGetTextAsyncThreadID = 0;
return 0;
}
KillTimer(dat->hWnd,TIMERID_INVALIDATE_FULL);
CLUI_SafeSetTimer(dat->hWnd,TIMERID_INVALIDATE_FULL,500,NULL);
}
}
while (!exit);
WaitForSingleObjectEx(hgtaWakeupEvent, INFINITE, FALSE );
ResetEvent(hgtaWakeupEvent);
}
g_dwGetTextAsyncThreadID = 0;
return 1;
}
BOOL gtaWakeThread()
{
if (hgtaWakeupEvent && g_dwGetTextAsyncThreadID)
{
SetEvent(hgtaWakeupEvent);
return TRUE;
}
return FALSE;
}
int gtaAddRequest(struct ClcData *dat,ClcContact *contact,HANDLE hContact)
{
if (MirandaExiting()) return 0;
gtalock;
{
GTACHAINITEM * mpChain = (GTACHAINITEM *)malloc(sizeof(GTACHAINITEM));
mpChain->hContact = hContact;
mpChain->dat = dat;
mpChain->Next = NULL;
if (gtaLastItem)
{
gtaLastItem->Next = (GTACHAINITEM *)mpChain;
gtaLastItem = mpChain;
}
else
{
gtaFirstItem = mpChain;
gtaLastItem = mpChain;
SetEvent(hgtaWakeupEvent);
}
}
gtaunlock;
return FALSE;
}
void gtaRenewText(HANDLE hContact)
{
gtaAddRequest(NULL,NULL, hContact);
}
int gtaOnModulesUnload(WPARAM wParam,LPARAM lParam)
{
SetEvent(hgtaWakeupEvent);
return 0;
}
void InitCacheAsync()
{
InitializeCriticalSection(>aCS);
hgtaWakeupEvent = CreateEvent(NULL,FALSE,FALSE,NULL);
g_dwGetTextAsyncThreadID = (DWORD)mir_forkthread((pThreadFunc)gtaThreadProc,0);
HookEvent(ME_SYSTEM_PRESHUTDOWN, gtaOnModulesUnload);
}
void UninitCacheAsync()
{
GTACHAINITEM mpChain;
SetEvent(hgtaWakeupEvent);
CloseHandle(hgtaWakeupEvent);
gtalock;
while(gtaGetItem(&mpChain));
gtaunlock;
DeleteCriticalSection(>aCS);
}
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