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/*
Miranda IM Country Flags Plugin
Copyright (C) 2006-1007 H. Herkenrath
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 (Flags-License.txt); if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "flags.h"
/************************* Buffered Functions *********************/
struct BufferedCallData {
DWORD startTick;
UINT uElapse;
BUFFEREDPROC pfnBuffProc;
LPARAM lParam;
#ifdef _DEBUG
const char *pszProcName;
#endif
};
static UINT idBufferedTimer;
static struct BufferedCallData *callList;
static int nCallListCount;
// always gets called in main message loop
static void CALLBACK BufferedProcTimer(HWND hwnd,UINT msg,UINT_PTR idTimer,DWORD currentTick)
{
int i;
struct BufferedCallData *buf;
UINT uElapsed,uElapseNext=USER_TIMER_MAXIMUM;
BUFFEREDPROC pfnBuffProc;
LPARAM lParam;
#ifdef _DEBUG
char szDbgLine[256];
const char *pszProcName;
#endif
UNREFERENCED_PARAMETER(msg);
for(i=0;i<nCallListCount;++i) {
/* find elapsed procs */
uElapsed=currentTick-callList[i].startTick; /* wraparound works */
if ((uElapsed+USER_TIMER_MINIMUM)>=callList[i].uElapse) {
/* call elapsed proc */
pfnBuffProc=callList[i].pfnBuffProc;
lParam=callList[i].lParam;
#ifdef _DEBUG
pszProcName=callList[i].pszProcName;
#endif
/* resize storage array */
if ((i+1)<nCallListCount)
MoveMemory(&callList[i],&callList[i+1],((nCallListCount-i-1)*sizeof(struct BufferedCallData)));
--nCallListCount;
--i; /* reiterate current */
if(nCallListCount) {
buf=(struct BufferedCallData*)mir_realloc(callList,nCallListCount*sizeof(struct BufferedCallData));
if(buf!=NULL) callList=buf;
} else {
mir_free(callList);
callList=NULL;
}
#ifdef _DEBUG
mir_snprintf(szDbgLine,sizeof(szDbgLine),"buffered call: %s(0x%X)\n",pszProcName,lParam); /* all ascii */
OutputDebugStringA(szDbgLine);
#endif
CallFunctionAsync((void (CALLBACK *)(void*))pfnBuffProc,(void*)lParam); /* compatible */
}
/* find next timer delay */
else if ((callList[i].uElapse-uElapsed)<uElapseNext)
uElapseNext=callList[i].uElapse-uElapsed;
}
/* set next timer */
if(nCallListCount) {
#ifdef _DEBUG
mir_snprintf(szDbgLine,sizeof(szDbgLine),"next buffered timeout: %ums\n",uElapseNext); /* all ascii */
OutputDebugStringA(szDbgLine);
#endif
idBufferedTimer=SetTimer(hwnd,idBufferedTimer,uElapseNext,BufferedProcTimer); /* will be reset */
} else {
KillTimer(hwnd,idTimer);
idBufferedTimer=0;
#ifdef _DEBUG
OutputDebugStringA("empty buffered queue\n");
#endif
}
}
// assumes to be called in context of main thread
#ifdef _DEBUG
void _CallFunctionBuffered(BUFFEREDPROC pfnBuffProc,const char *pszProcName,LPARAM lParam,BOOL fAccumulateSameParam,UINT uElapse)
#else
void _CallFunctionBuffered(BUFFEREDPROC pfnBuffProc,LPARAM lParam,BOOL fAccumulateSameParam,UINT uElapse)
#endif
{
struct BufferedCallData *data=NULL;
int i;
/* find existing */
for(i=0;i<nCallListCount;++i)
if(callList[i].pfnBuffProc==pfnBuffProc)
if (!fAccumulateSameParam || callList[i].lParam==lParam) {
data=&callList[i];
break;
}
/* append new */
if(data==NULL) {
/* resize storage array */
data=(struct BufferedCallData*)mir_realloc(callList,(nCallListCount+1)*sizeof(struct BufferedCallData));
if(data==NULL) return;
callList=data;
data=&callList[nCallListCount];
++nCallListCount;
}
/* set delay */
data->startTick=GetTickCount();
data->uElapse=uElapse;
data->lParam=lParam;
data->pfnBuffProc=pfnBuffProc;
#ifdef _DEBUG
{ char szDbgLine[256];
data->pszProcName=pszProcName;
mir_snprintf(szDbgLine,sizeof(szDbgLine),"buffered queue: %s(0x%X)\n",pszProcName,lParam); /* all ascii */
OutputDebugStringA(szDbgLine);
if (!idBufferedTimer) {
mir_snprintf(szDbgLine,sizeof(szDbgLine),"next buffered timeout: %ums\n",uElapse); /* all ascii */
OutputDebugStringA(szDbgLine);
}
}
#endif
/* set next timer */
if(idBufferedTimer) uElapse=USER_TIMER_MINIMUM; /* will get recalculated */
idBufferedTimer=SetTimer(NULL,idBufferedTimer,uElapse,BufferedProcTimer);
}
// assumes to be called in context of main thread
void PrepareBufferedFunctions(void)
{
idBufferedTimer=0;
nCallListCount=0;
callList=NULL;
}
// assumes to be called in context of main thread
void KillBufferedFunctions(void)
{
if(idBufferedTimer) KillTimer(NULL,idBufferedTimer);
nCallListCount=0;
mir_free(callList); /* does NULL check */
}
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