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//***************************************************************************************
//
// Google Extension plugin for the Miranda IM's Jabber protocol
// Copyright (c) 2011 bems@jabber.org, George Hazan (ghazan@jabber.ru)
//
// 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.
//
//***************************************************************************************
#include "stdafx.h"
#include "avatar.h"
#include "resources.h"
#include "options.h"
static const LPSTR AVA_FILE_NAME_FORMAT = "%s\\%s\\AvatarCache\\Jabber\\" SHORT_PLUGIN_NAME ".pseudoava.png";
static const LPTSTR AVA_RES_TYPE = _T("PNG");
static const LPSTR SRMM_MODULE_NAME = "SRMM";
static const LPSTR SRMM_AVATAR_SETTING_NAME = "Avatar";
static const int SET_AVATAR_INTERVAL = 2000;
void ForceDir(LPSTR dir, int len)
{
if (GetFileAttributesA(dir) != INVALID_FILE_ATTRIBUTES) return;
for (int i = len - 1; i >= 0; i--)
if ('\\' == dir[i]) {
dir[i] = 0;
__try {
ForceDir(dir, i);
}
__finally {
dir[i] = '\\';
}
CreateDirectoryA(dir, NULL);
}
}
void ForceFileDir(LPSTR file)
{
for (int i = lstrlenA(file) - 1; i >= 0; i--)
if ('\\' == file[i]) {
file[i] = 0;
__try {
ForceDir(file, i);
}
__finally {
file[i] = '\\';
}
break;
}
}
LPSTR CreateAvaFile(HANDLE *hFile)
{
char name[MAX_PATH + 2];
char path[MAX_PATH + 2];
char full[MAX_PATH + 2];
if (CallService(MS_DB_GETPROFILENAME, (WPARAM)sizeof(name), (LPARAM)&name))
return NULL;
for (int i = lstrlenA(name); i >= 0; i--)
if ('.' == name[i]) {
name[i] = 0;
break;
}
if (CallService(MS_DB_GETPROFILEPATH, (WPARAM)sizeof(path), (LPARAM)&path))
return NULL;
sprintf(&full[0], AVA_FILE_NAME_FORMAT, path, name);
ForceFileDir(&full[0]);
HANDLE h = 0;
__try {
h = CreateFileA(&full[0], GENERIC_WRITE, FILE_SHARE_READ, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
if (INVALID_HANDLE_VALUE == h) return NULL;
if (hFile) *hFile = h; else CloseHandle(h);
h = 0;
return _strdup(&full[0]);
}
__finally {
CloseHandle(h);
}
}
extern HINSTANCE hInst;
BOOL SaveAvatar(HANDLE hFile)
{
HRSRC hres = FindResource(hInst, MAKEINTRESOURCE(IDI_PSEUDOAVA), AVA_RES_TYPE);
if (!hres) return FALSE;
HGLOBAL hglob = LoadResource(hInst, hres);
if (!hglob) return FALSE;
PVOID p = LockResource(hglob);
if (!p) return FALSE;
DWORD l = SizeofResource(hInst, hres);
if (!l) return FALSE;
DWORD written;
if (!WriteFile(hFile, p, l, &written, NULL)) return FALSE;
return written == l;
}
struct AVACHANGED {
HANDLE hTimer;
HANDLE hContact;
};
VOID CALLBACK CallSetAvatar(PVOID lpParameter, BOOLEAN TimerOrWaitFired)
{
Thread_Push(0);
__try {
AVACHANGED *ach = (AVACHANGED*)lpParameter;
__try {
SetAvatar(ach->hContact);
DeleteTimerQueueTimer(NULL, ach->hTimer, NULL);
}
__finally {
free(ach);
}
}
__finally {
Thread_Pop();
}
}
int AvaChanged(WPARAM wParam, LPARAM lParam)
{
if (!lParam && DBGetContactSettingByte((HANDLE)wParam, SHORT_PLUGIN_NAME, PSEUDOCONTACT_FLAG, 0)) {
BOOL enqueued = FALSE;
AVACHANGED *ach = (AVACHANGED*)malloc(sizeof(AVACHANGED));
__try {
ach->hContact = (HANDLE)wParam;
enqueued = CreateTimerQueueTimer(&ach->hTimer, NULL, CallSetAvatar, ach, SET_AVATAR_INTERVAL, 0, WT_EXECUTEONLYONCE);
}
__finally {
if (!enqueued) free(ach);
}
}
return 0;
}
CRITICAL_SECTION g_csSetAvatar;
HANDLE hAvaChanged = 0;
BOOL initialized = FALSE;
BOOL InitAvaUnit(BOOL init)
{
if (init) {
hAvaChanged = HookEvent(ME_AV_AVATARCHANGED, AvaChanged);
InitializeCriticalSection(&g_csSetAvatar);
initialized = TRUE;
return hAvaChanged != 0;
}
else {
if (initialized) {
initialized = FALSE;
DeleteCriticalSection(&g_csSetAvatar);
}
if (hAvaChanged) {
UnhookEvent(hAvaChanged);
hAvaChanged = 0;
}
return TRUE;
}
}
void SetAvatar(HANDLE hContact)
{
EnterCriticalSection(&g_csSetAvatar);
__try {
avatarCacheEntry *ava = (avatarCacheEntry*)CallService(MS_AV_GETAVATARBITMAP, (WPARAM)hContact, 0);
if (ava && GetFileAttributes(&ava->szFilename[0]) != INVALID_FILE_ATTRIBUTES)
return;
HANDLE hFile;
LPSTR avaFile = CreateAvaFile(&hFile);
if (avaFile)
__try {
BOOL saved = SaveAvatar(hFile);
CloseHandle(hFile); hFile = 0;
if (saved){
if (ava) CallService(MS_AV_SETAVATAR, (WPARAM)hContact, (LPARAM)"");
CallService(MS_AV_SETAVATAR, (WPARAM)hContact, (LPARAM)avaFile);
DBWriteContactSettingString(hContact, SRMM_MODULE_NAME, SRMM_AVATAR_SETTING_NAME, avaFile);
}
}
__finally {
free(avaFile);
CloseHandle(hFile);
}
}
__finally {
LeaveCriticalSection(&g_csSetAvatar);
}
}
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