/**************************************************************************\

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.

****************************************************************************

Created: Mar 9, 2007

Author:  Artem Shpynov aka FYR:  ashpynov@gmail.com

****************************************************************************

File contains implementation of animated avatars in contact list

\**************************************************************************/

#include "hdr/modern_commonheaders.h"

#define IMMEDIATE_DRAW (!AniAva.bSeparateWindow)

void GDIPlus_ExtractAnimatedGIF (TCHAR * szName, int width, int height, HBITMAP  * pBmp, int ** pframesDelay, int * pframesCount, SIZE * sizeAvatar);
BOOL GDIPlus_IsAnimatedGif (TCHAR * szName);

/* Next is module */
#define ANIAVAWINDOWCLASS _T("MirandaModernAniAvatar")
#define aacheck if ( !AniAva.bModuleStarted) return
#define aalock EnterCriticalSection(&AniAva.CS)
#define aaunlock LeaveCriticalSection(&AniAva.CS)

#define AAO_HAS_BORDER	  0x01
#define AAO_ROUND_CORNERS 0x02
#define AAO_HAS_OVERLAY	  0x04
#define AAO_OPAQUE		  0x08
//messages
enum {
	AAM_FIRST = WM_USER,
	AAM_SETAVATAR ,					//sync		WPARAM: TCHAR * filename, LPARAM: SIZE * size, RESULT: actual size
	AAM_SETPOSITION,				//async		LPARAM: pointer to set pos info - the handler will empty it, RESULT: 0
	AAM_REDRAW,						//async
	AAM_STOP,						//async		stops animation, timer, hide window - prepeare for deleting
	AAM_PAUSE,						//sync		keep timer and window, but do not process painting -need before graphics change
	AAM_RESUME,						//async		remobe previous flag. repaints if required
	AAM_REMOVEAVATAR,				//sync		WPARAM: if y more then wParam, LPARAM: shift up to lParam( remove if values is same)
	AAM_SETPARENT,					//async	    WPARAM: handle of new parent window
	AAM_SELFDESTROY,				//sync
	AAM_RENDER,						//sync
	AAM_LAST,
};

typedef struct _tagAniAva_Object
{
	HANDLE  hContact;
	HWND	hWindow;
	BOOL	bInvalidPos;
	BOOL	bToBeDeleted;
	DWORD	dwAvatarUniqId;
	SIZE	ObjectSize;
} ANIAVA_OBJECT;

typedef struct _tagAniAva_Info
{
	DWORD	dwAvatarUniqId;
	TCHAR * tcsFilename;
	int		nRefCount;
	int		nStripTop;
	int		nFrameCount;
	int *	pFrameDelays;
	SIZE	FrameSize;
} ANIAVA_INFO;

typedef struct _tagAniAva_WindowInfo
{
	HWND	hWindow;
	RECT	rcPos;
	SIZE	sizeAvatar;
	BOOL	StopTimer;
	int		TimerId;
	int		nFramesCount;
	int *	delaysInterval;
	int		currentFrame;

	POINT   ptFromPoint;

	BOOL	bPlaying;
	int		overlayIconIdx;
	BYTE	bAlpha;
	BOOL	bOrderTop;

	BOOL	bPaused;			// was request do not draw
	BOOL	bPended;			// till do not draw - was painting - need to be repaint
} ANIAVA_WINDOWINFO;
typedef struct _tagAniAva_PosInfo
{
	RECT rcPos;
	int idxOverlay;
	BYTE bAlpha;
} ANIAVA_POSINFO;
typedef struct _tagAniAvaSyncCallItem
{
	WPARAM  wParam;
	LPARAM  lParam;
	INT_PTR nResult;
	HANDLE  hDoneEvent;
	PSYNCCALLBACKPROC pfnProc;
} ANIAVA_SYNCCALLITEM;
typedef struct _tagAniAvatarImageInfo
{
	POINT ptImagePos;
	int	nFramesCount;
	int * pFrameDelays;
	SIZE	szSize;
} ANIAVATARIMAGEINFO;

//main structure to handle global
typedef struct _tagAniAva
{
	//protection
	BOOL bModuleStarted;
	CRITICAL_SECTION CS;
	//options
	BYTE		bFlags;				// 0x1 has border, 0x2 has round corners, 0x4 has overlay, 0x8 background color
	COLORREF	borderColor;
	BYTE		cornerRadius;
	COLORREF	bkgColor;
	HIMAGELIST	overlayIconImageList;
	//animations
	HDC hAniAvaDC;
	HBITMAP hAniAvaBitmap;
	HBITMAP hAniAvaOldBitmap;
	int width;
	int height;
	SortedList * AniAvatarList;
	DWORD AnimationThreadID;
	HANDLE AnimationThreadHandle;
	HANDLE hExitEvent;
	//Objects
	SortedList * Objects;
	BOOL bSeparateWindow;
} ANIAVA;

//module static declarations
static void		__AniAva_DebugRenderStrip();

static void		_AniAva_DestroyAvatarWindow( HWND hwnd);
static void		_AniAva_Clear_ANIAVA_WINDOWINFO(ANIAVA_WINDOWINFO * pavwi );
static void     _AniAva_RenderAvatar(ANIAVA_WINDOWINFO * dat, HDC hdcParent = NULL, RECT * rcInParent = NULL );
static void		_AniAva_PausePainting();
static void		_AniAva_ResumePainting();
static void		_AniAva_LoadOptions();
static void		_AniAva_ReduceAvatarImages(int startY, int dY, BOOL bDestroyWindow);
static void		_AniAva_AnimationTreadProc(HANDLE hExitEvent);
static void		_AniAva_RemoveAniAvaDC(ANIAVA * pAniAva);
static void		_AniAva_RealRemoveAvatar(DWORD UniqueID);
static int		_AniAva_LoadAvatarFromImage(TCHAR * szFileName, int width, int height, ANIAVATARIMAGEINFO * pRetAII);
static int		_AniAva_SortAvatarInfo(void * first, void * last);
static BOOL		_AniAva_GetAvatarImageInfo(DWORD dwAvatarUniqId, ANIAVATARIMAGEINFO * avii);
static HWND		_AniAva_CreateAvatarWindowSync(TCHAR *szFileName);

static LRESULT CALLBACK _AniAva_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);

//module variables
static ANIAVA AniAva = {0};

///	IMPLEMENTATION


int _AniAva_OnModulesUnload(WPARAM wParam,LPARAM lParam)
{
	SetEvent(AniAva.hExitEvent);
	return 0;
}


// Init AniAva module
int AniAva_InitModule()
{
	memset(&AniAva,0,sizeof(AniAva));
	if (g_CluiData.fGDIPlusFail) return 0;
	if ( !( db_get_b(NULL,"CList","AvatarsAnimated",(ServiceExists(MS_AV_GETAVATARBITMAP) && !g_CluiData.fGDIPlusFail))
		 &&  db_get_b(NULL,"CList","AvatarsShow",SETTINGS_SHOWAVATARS_DEFAULT))) return 0;
	{
		WNDCLASSEX wc;
		ZeroMemory(&wc, sizeof(wc));
		wc.cbSize         = sizeof(wc);
		wc.lpszClassName  = ANIAVAWINDOWCLASS;
		wc.lpfnWndProc    = _AniAva_WndProc;
		wc.hCursor        = LoadCursor(NULL, IDC_ARROW);
		wc.cbWndExtra     = sizeof(ANIAVA_WINDOWINFO*);
		wc.hbrBackground  = 0;
		wc.style          = CS_GLOBALCLASS;
		RegisterClassEx(&wc);
	}
	InitializeCriticalSection(&AniAva.CS);
	AniAva.Objects = List_Create(0,2);
	AniAva.AniAvatarList = List_Create(0,1);
	AniAva.AniAvatarList->sortFunc = _AniAva_SortAvatarInfo;
	AniAva.bModuleStarted = TRUE;
	AniAva.hExitEvent = CreateEvent(NULL,FALSE,FALSE,NULL);
	AniAva.AnimationThreadID = (DWORD)mir_forkthread(_AniAva_AnimationTreadProc, (void*)AniAva.hExitEvent);
	HookEvent(ME_SYSTEM_PRESHUTDOWN,  _AniAva_OnModulesUnload);

	_AniAva_LoadOptions();

	return 1;
}

// Unload AniAva module
int AniAva_UnloadModule()
{
	aacheck 0;
	aalock;
	{
		int i;
		AniAva.bModuleStarted = FALSE;
		for (i=0; i < AniAva.Objects->realCount; i++)
		{
			if (AniAva.Objects->items[i])
				_AniAva_DestroyAvatarWindow(((ANIAVA_OBJECT*)AniAva.Objects->items[i])->hWindow);

			mir_free(AniAva.Objects->items[i]);
		}
		List_Destroy(AniAva.Objects);
		mir_free(AniAva.Objects);

		for (i=0; i < AniAva.AniAvatarList->realCount; i++)
		{
			ANIAVA_INFO * aai = (ANIAVA_INFO *)AniAva.AniAvatarList->items[i];
			mir_free(aai->tcsFilename);
			if (aai->pFrameDelays) free(aai->pFrameDelays);
			mir_free(aai);
		}
		List_Destroy(AniAva.AniAvatarList);
		mir_free(AniAva.AniAvatarList);
		_AniAva_RemoveAniAvaDC(&AniAva);
		SetEvent(AniAva.hExitEvent);
		CloseHandle(AniAva.hExitEvent);
	}
	aaunlock;
	DeleteCriticalSection(&AniAva.CS);
	return 1;
}
// Update options
int AniAva_UpdateOptions()
{
	BOOL bReloadAvatars = FALSE;
	BOOL bBeEnabled = (!g_CluiData.fGDIPlusFail
		 &&  db_get_b(NULL,"CList","AvatarsAnimated",(ServiceExists(MS_AV_GETAVATARBITMAP) && !g_CluiData.fGDIPlusFail))
		 &&  db_get_b(NULL,"CList","AvatarsShow",SETTINGS_SHOWAVATARS_DEFAULT));
	if (bBeEnabled && !AniAva.bModuleStarted)
	{
		AniAva_InitModule();
		bReloadAvatars = TRUE;
	}
	else if ( !bBeEnabled && AniAva.bModuleStarted)
	{
		AniAva_UnloadModule();
		bReloadAvatars = TRUE;
	}
	BOOL oldSeparate = AniAva.bSeparateWindow;
	_AniAva_LoadOptions();
	if ( oldSeparate != AniAva.bSeparateWindow )
	{
		AniAva_InvalidateAvatarPositions(NULL);
		AniAva_RemoveInvalidatedAvatars();
	}
	if ( bReloadAvatars ) PostMessage(pcli->hwndContactTree,INTM_AVATARCHANGED,0,0);
	else AniAva_RedrawAllAvatars(TRUE);
	return 0;
}
// adds avatars to be displayed
int AniAva_AddAvatar(HANDLE hContact, TCHAR * szFilename, int width, int heigth)
{
	int res = 0;
	aacheck 0;
	if ( !GDIPlus_IsAnimatedGif (szFilename))
		return 0;
	aalock;
	{
		//first try to find window for contact avatar
		HWND hwnd = NULL;
		int i;
		ANIAVA_OBJECT * pavi;
		ANIAVATARIMAGEINFO avii = {0};
		SIZE szAva = { width, heigth };
		for (i=0; i < AniAva.Objects->realCount; i++)
		{
			pavi = (ANIAVA_OBJECT *)AniAva.Objects->items[i];
			if (pavi->hContact == hContact)
			{
				if (pavi->ObjectSize.cx == width && pavi->ObjectSize.cy == heigth)
				{
					hwnd = pavi->hWindow;
					break;
				}
				else
				{

					_AniAva_DestroyAvatarWindow(pavi->hWindow);
					pavi->hWindow = NULL;
					_AniAva_RealRemoveAvatar(pavi->dwAvatarUniqId);
					pavi->dwAvatarUniqId = 0;
					break;
				}
			}
		}
		if (i == AniAva.Objects->realCount)
		{
			pavi = (ANIAVA_OBJECT *) mir_calloc( sizeof(ANIAVA_OBJECT));
			pavi->hWindow		 = NULL;
			pavi->hContact		 = hContact;
			pavi->bInvalidPos	 = 0;
			List_Insert( AniAva.Objects, pavi, AniAva.Objects->realCount);
		}
		//change avatar
		pavi->bToBeDeleted = FALSE;
		pavi->bInvalidPos	 = 0;
		// now CreateAvatar
		if (pavi->dwAvatarUniqId)
			_AniAva_GetAvatarImageInfo(pavi->dwAvatarUniqId,&avii);
		else
			pavi->dwAvatarUniqId = _AniAva_LoadAvatarFromImage(szFilename, width, heigth, &avii);
		if (hwnd)
			SendMessage(hwnd, AAM_SETAVATAR, (WPARAM)&avii, (LPARAM) 0);
		pavi->ObjectSize = avii.szSize;
		res = MAKELONG(avii.szSize.cx, avii.szSize.cy);
	}
	aaunlock;
	return res;
}

// call windows to set they parent in order to ensure valid zorder
void AniAva_UpdateParent()
{
	aacheck;
	aalock;
	{
		int i;
		HWND parent = fnGetAncestor(pcli->hwndContactList,GA_PARENT);
		for (i=0; i < AniAva.Objects->realCount; i++)
		{
			ANIAVA_OBJECT * pai = (ANIAVA_OBJECT *)AniAva.Objects->items[i];
			SendMessage(pai->hWindow, AAM_SETPARENT, (WPARAM)parent,0);
		}
	}
	aaunlock;
}
ANIAVA_OBJECT * FindAvatarByContact( HANDLE hContact )
{
	for ( int i=0; i < AniAva.Objects->realCount; i++)
	{
		ANIAVA_OBJECT * pai = ((ANIAVA_OBJECT *)AniAva.Objects->items[i]);
		if (pai->hContact == hContact)
			return pai;
	}
	return NULL;
}

int AniAva_RenderAvatar( HANDLE hContact, HDC hdcMem, RECT * rc )
{
	aacheck 0;
	aalock;
	ANIAVA_OBJECT * pai = FindAvatarByContact( hContact );
	if ( pai )
		SendMessage(pai->hWindow, AAM_RENDER, (WPARAM)hdcMem, (LPARAM) rc);
	aaunlock;
	return 0;
}
// update avatars pos
int AniAva_SetAvatarPos(HANDLE hContact, RECT * rc, int overlayIdx, BYTE bAlpha)
{
	aacheck 0;
	aalock;
	if (AniAva.CS.LockCount>0)
	{
		aaunlock;
		return 0;
	}
	{
		ANIAVA_OBJECT * pai = FindAvatarByContact( hContact );
		if ( pai )
		{
			ANIAVA_POSINFO * api = (ANIAVA_POSINFO *)malloc(sizeof(ANIAVA_POSINFO));
			if ( !pai->hWindow)
				{
					HWND hwnd;
					HWND parent;
					ANIAVATARIMAGEINFO avii = {0};
					//not found -> create window
					char szName[150] = "AniAvaWnd_";
					TCHAR * tszName;
					_itoa((int)hContact,szName+10,16);

					tszName = mir_a2t( szName );
					hwnd = _AniAva_CreateAvatarWindowSync(tszName);
					mir_free( tszName );
					parent = fnGetAncestor(pcli->hwndContactList,GA_PARENT);
					pai->hWindow = hwnd;
					SendMessage(hwnd,AAM_SETPARENT,(WPARAM)parent,0);
					if (_AniAva_GetAvatarImageInfo(pai->dwAvatarUniqId,&avii))
						SendMessage(pai->hWindow, AAM_SETAVATAR, (WPARAM)&avii, (LPARAM) 0);
				}
			api->bAlpha = bAlpha;
			api->idxOverlay = overlayIdx;
			api->rcPos = *rc;
			SendNotifyMessage(pai->hWindow, AAM_SETPOSITION, 0, (LPARAM) api);
			// the AAM_SETPOSITION is responsible to destroy memory under api
			pai->bInvalidPos = FALSE;
			pai->bToBeDeleted = FALSE;
		}
	}
	aaunlock;
	return 1;
}
// remove avatar
int AniAva_RemoveAvatar(HANDLE hContact)
{
	aacheck 0;
	aalock;
	{
		int i;
		for (i=0; i < AniAva.Objects->realCount; i++)
		{
			ANIAVA_OBJECT * pai = (ANIAVA_OBJECT *)AniAva.Objects->items[i];
			if (pai->hContact == hContact)
			{
				pai->bToBeDeleted = TRUE;
				break;
			}
		}
	}
	aaunlock;
	return 1;
}
// reset positions of avatars to be drawn (still be painted at same place)
int AniAva_InvalidateAvatarPositions(HANDLE hContact)
{
	int i;
	aacheck 0;
	aalock;
	for (i=0; i < AniAva.Objects->realCount; i++)
	{
		ANIAVA_OBJECT * pai = (ANIAVA_OBJECT *)AniAva.Objects->items[i];
		if (pai->hContact == hContact || !hContact)
		{
			pai->bInvalidPos++;
			if (hContact) break;
		}
	}
	aaunlock;
	return 1;
}
// all avatars without validated position will be stop painted and probably removed
int AniAva_RemoveInvalidatedAvatars()
{
	BOOL keepAvatar = FALSE;
	aacheck 0;
	aalock;

	{
		int i;
		for (i=0; i < AniAva.Objects->realCount; i++)
		{
			ANIAVA_OBJECT * pai = (ANIAVA_OBJECT *)AniAva.Objects->items[i];
			if (pai->hWindow && (pai->bInvalidPos))
			{
				SendMessage(pai->hWindow,AAM_STOP,0,0);
				if (pai->bInvalidPos)//>3)
				{
					//keepAvatar = TRUE;
					//pai->bToBeDeleted = TRUE;
					pai->bInvalidPos = 0;
					_AniAva_DestroyAvatarWindow(pai->hWindow);
					pai->hWindow = NULL;
				}
			}
			if (pai->bToBeDeleted)
			{
				if (pai->hWindow) _AniAva_DestroyAvatarWindow(pai->hWindow);
				pai->hWindow = NULL;
				if ( !keepAvatar) _AniAva_RealRemoveAvatar(pai->dwAvatarUniqId);
				mir_free(pai);
				List_Remove(AniAva.Objects,i);
				i--;
			}
		}
	}
	aaunlock;
	return 1;
}

// repaint all avatars at positions (eg on main window movement)
int AniAva_RedrawAllAvatars(BOOL updateZOrder)
{
	int i;
	aacheck 0;
	aalock;
	updateZOrder = 1;
	for (i=0; i < AniAva.Objects->realCount; i++)
	{
		ANIAVA_OBJECT * pai = (ANIAVA_OBJECT *)AniAva.Objects->items[i];
		if (updateZOrder)
			SendMessage(pai->hWindow,AAM_REDRAW,(WPARAM)updateZOrder,0);
		else
			SendNotifyMessage(pai->hWindow,AAM_REDRAW,(WPARAM)updateZOrder,0);
	}
	aaunlock;
	return 1;
}

//Static procedures
static void CALLBACK _AniAva_SyncCallerUserAPCProc(DWORD_PTR dwParam)
{
	ANIAVA_SYNCCALLITEM* item = (ANIAVA_SYNCCALLITEM*) dwParam;
	item->nResult = item->pfnProc(item->wParam, item->lParam);
	SetEvent(item->hDoneEvent);
}
static INT_PTR _AniAva_CreateAvatarWindowSync_Worker(WPARAM tszName, LPARAM lParam)
{
	HWND hwnd = CreateWindowEx( WS_EX_TOPMOST | WS_EX_TRANSPARENT | WS_EX_NOPARENTNOTIFY,ANIAVAWINDOWCLASS,(TCHAR*)tszName,WS_POPUP,
		0,0,1,1,pcli->hwndContactList, NULL, pcli->hInst, NULL );
	return (INT_PTR)hwnd;
}

static HWND _AniAva_CreateAvatarWindowSync(TCHAR *szFileName)
{
	ANIAVA_SYNCCALLITEM item = {0};
	int res = 0;
	if ( !AniAva.AnimationThreadHandle) return NULL;
	if (AniAva.AnimationThreadID == 0) return NULL;
	item.wParam = (WPARAM) szFileName;
	item.lParam = 0;
	item.pfnProc = _AniAva_CreateAvatarWindowSync_Worker;
	item.hDoneEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
	if (GetCurrentThreadId() != AniAva.AnimationThreadID)
		QueueUserAPC(_AniAva_SyncCallerUserAPCProc, AniAva.AnimationThreadHandle, (DWORD_PTR) &item);
	else
		_AniAva_SyncCallerUserAPCProc((DWORD_PTR) &item);
	WaitForSingleObject(item.hDoneEvent, INFINITE);
	CloseHandle(item.hDoneEvent);
	return (HWND)item.nResult;
}

static void _AniAva_RealRemoveAvatar(DWORD UniqueID)
{
	int j,k;
	for (j = 0; j < AniAva.AniAvatarList->realCount; j++)
	{
		ANIAVA_INFO * aai = (ANIAVA_INFO *) AniAva.AniAvatarList->items[j];
		if (aai->dwAvatarUniqId == UniqueID)
		{
			aai->nRefCount--;
			if (aai->nRefCount == 0)
			{
				_AniAva_PausePainting();
				#ifdef _DEBUG
					__AniAva_DebugRenderStrip();
				#endif
				mir_free(aai->tcsFilename);
				if (aai->pFrameDelays) free(aai->pFrameDelays);
				_AniAva_ReduceAvatarImages(aai->nStripTop,aai->FrameSize.cx*aai->nFrameCount, FALSE);
				for (k = 0; k < AniAva.AniAvatarList->realCount; k++)
					if (k != j)	{
						ANIAVA_INFO * taai = (ANIAVA_INFO *) AniAva.AniAvatarList->items[k];
						if (taai->nStripTop>aai->nStripTop)
							taai->nStripTop -= aai->FrameSize.cx*aai->nFrameCount;
					}
				if (AniAva.AniAvatarList->realCount>0)
				{
					//lets create hNewDC
					HDC	 hNewDC;
					HBITMAP	 hNewBmp, hNewOldBmp;

					int newWidth = AniAva.width-aai->FrameSize.cx*aai->nFrameCount;
					int newHeight = 0;
					int i;
					for (i=0; i < AniAva.AniAvatarList->realCount; i++)
						if (i != j)
						{
							newHeight = max(newHeight,((ANIAVA_INFO *) AniAva.AniAvatarList->items[i])->FrameSize.cy);
						}

					hNewDC = CreateCompatibleDC(NULL);
					hNewBmp = ske_CreateDIB32(newWidth,newHeight);
					hNewOldBmp = (HBITMAP)SelectObject(hNewDC,hNewBmp);
					// copy from old and from new strip
					if (aai->nStripTop>0)
						BitBlt(hNewDC,0,0,aai->nStripTop,newHeight,AniAva.hAniAvaDC,0,0, SRCCOPY);
					if (aai->nStripTop+aai->FrameSize.cx*aai->nFrameCount < AniAva.width)
						BitBlt(hNewDC,aai->nStripTop,0,AniAva.width-(aai->nStripTop+aai->FrameSize.cx*aai->nFrameCount),newHeight,AniAva.hAniAvaDC,aai->nStripTop+aai->FrameSize.cx*aai->nFrameCount,0, SRCCOPY);

					_AniAva_RemoveAniAvaDC(&AniAva);
					AniAva.hAniAvaDC		 = hNewDC;
					AniAva.hAniAvaBitmap	 = hNewBmp;
					AniAva.hAniAvaOldBitmap	 = hNewOldBmp;
					AniAva.width			 = newWidth;
					AniAva.height			 = newHeight;

				}
				else
				{
					_AniAva_RemoveAniAvaDC(&AniAva);
				}
				#ifdef _DEBUG
					__AniAva_DebugRenderStrip();
				#endif
				List_Remove(AniAva.AniAvatarList, j);
				mir_free(aai);
				_AniAva_ResumePainting();
				break;
			}
		}
	}
}
static void _AniAva_RemoveAniAvaDC(ANIAVA * pAniAva)
{
	if (pAniAva->hAniAvaDC)
	{
		SelectObject(pAniAva->hAniAvaDC, pAniAva->hAniAvaOldBitmap);
		DeleteObject(pAniAva->hAniAvaBitmap);
		DeleteDC(pAniAva->hAniAvaDC);
		pAniAva->hAniAvaDC = NULL;
		pAniAva->height = 0;
		pAniAva->width = 0;
		pAniAva->hAniAvaBitmap = NULL;
	}
};

static void _AniAva_DestroyAvatarWindow( HWND hwnd)
{
	SendMessage(hwnd,AAM_SELFDESTROY,0,0);
}
static int	_AniAva_LoadAvatarFromImage(TCHAR * szFileName, int width, int height, ANIAVATARIMAGEINFO * pRetAII)
{
	ANIAVA_INFO aai = {0};
	ANIAVA_INFO * paai = NULL;
	BOOL fNeedInsertToList = FALSE;
	int idx = 0;
	aai.tcsFilename = szFileName;
	aai.FrameSize.cx = width;
	aai.FrameSize.cy = height;

	if ( !List_GetIndex(AniAva.AniAvatarList,(void*)&aai,&idx)) idx = -1;
	if (idx == -1)	//item not present in list
	{
		HBITMAP hBitmap = NULL;
		HDC hTempDC;
		HBITMAP hOldBitmap;
		HDC hNewDC;
		HBITMAP hNewBmp;
		HBITMAP hNewOldBmp;
		int newWidth;
		int newHeight;

		paai = (ANIAVA_INFO *)mir_calloc(sizeof(ANIAVA_INFO));
		paai->tcsFilename = mir_tstrdup(szFileName);
		paai->dwAvatarUniqId = rand();
		fNeedInsertToList = TRUE;
		//get image strip
		GDIPlus_ExtractAnimatedGIF (szFileName, width, height, &hBitmap, &(paai->pFrameDelays), &(paai->nFrameCount), &(paai->FrameSize));

		//copy image to temp DC
		hTempDC = CreateCompatibleDC(NULL);
		hOldBitmap = (HBITMAP)SelectObject(hTempDC,hBitmap);

		//lets create hNewDC
		/*
		newWidth = max(paai->FrameSize.cx*paai->nFrameCount,AniAva.width);
		newHeight = AniAva.height+paai->FrameSize.cy;
		*/
		newWidth = AniAva.width+paai->FrameSize.cx*paai->nFrameCount;
		newHeight = max(paai->FrameSize.cy,AniAva.height);

		hNewDC = CreateCompatibleDC(NULL);
		hNewBmp = ske_CreateDIB32(newWidth,newHeight);
		hNewOldBmp = (HBITMAP)SelectObject(hNewDC,hNewBmp);

		_AniAva_PausePainting();
		GdiFlush();
		// copy from old and from new strip
		BitBlt(hNewDC,0,0,AniAva.width,AniAva.height,AniAva.hAniAvaDC,0,0, SRCCOPY);
		BitBlt(hNewDC,AniAva.width,0,paai->FrameSize.cx*paai->nFrameCount,paai->FrameSize.cy,hTempDC,0,0, SRCCOPY);
		
		paai->nStripTop = AniAva.width;
		
		GdiFlush();
		//remove temp DC
		SelectObject(hTempDC,hOldBitmap);
		DeleteObject(hNewBmp);
		DeleteDC(hTempDC);
        DeleteObject(hBitmap);


		//delete old
		_AniAva_RemoveAniAvaDC(&AniAva);
		//setNewDC;
		AniAva.hAniAvaDC		 = hNewDC;
		AniAva.hAniAvaBitmap	 = hNewBmp;
		AniAva.hAniAvaOldBitmap	 = hNewOldBmp;
		AniAva.width			 = newWidth;
		AniAva.height			 = newHeight;
		GdiFlush();
		_AniAva_ResumePainting();
	}
	else
	{
		paai = (ANIAVA_INFO *)AniAva.AniAvatarList->items[idx];
	}
	if (paai)
	{
		paai->nRefCount++;
		pRetAII->nFramesCount = paai->nFrameCount;
		pRetAII->pFrameDelays = paai->pFrameDelays;
		pRetAII->ptImagePos.x = paai->nStripTop;
		pRetAII->ptImagePos.y = 0;
		pRetAII->szSize = paai->FrameSize;
		if (fNeedInsertToList)
		{
			//add to list
			int idx = AniAva.AniAvatarList->realCount;
			List_GetIndex(AniAva.AniAvatarList, paai,&idx);
			List_Insert(AniAva.AniAvatarList, (void*)paai, idx);
		}
		return paai->dwAvatarUniqId;
	}
	return 0;
}
static BOOL _AniAva_GetAvatarImageInfo(DWORD dwAvatarUniqId, ANIAVATARIMAGEINFO * avii)
{
	int j;
	BOOL res = FALSE;
	for (j = 0; j < AniAva.AniAvatarList->realCount; j++)
	{
		ANIAVA_INFO * aai = (ANIAVA_INFO *) AniAva.AniAvatarList->items[j];
		if (aai->dwAvatarUniqId == dwAvatarUniqId)
		{
			avii->nFramesCount = aai->nFrameCount;
			avii->pFrameDelays = aai->pFrameDelays;
			avii->ptImagePos.x = aai->nStripTop;
			avii->ptImagePos.y = 0;
			avii->szSize = aai->FrameSize;
			res = TRUE;
			break;
		}
	}
	return res;
}
static void _AniAva_Clear_ANIAVA_WINDOWINFO(ANIAVA_WINDOWINFO * pavwi )
{
	pavwi->delaysInterval = NULL;
	pavwi->nFramesCount = 0;
	KillTimer(pavwi->hWindow,2);
	pavwi->bPlaying  = FALSE;
	pavwi->TimerId = 0;
}
static void __AniAva_DebugRenderStrip()
{	
	return;
	#ifdef _DEBUG
	{
		HDC hDC_debug = GetDC(NULL);
		BitBlt(hDC_debug,0,0,AniAva.width, AniAva.height,AniAva.hAniAvaDC,0,0,SRCCOPY);
		DeleteDC(hDC_debug);
	}
	#endif
}

static void _AniAva_RenderAvatar(ANIAVA_WINDOWINFO * dat, HDC hdcParent /*= NULL*/, RECT * rcInParent /*= NULL */ )
{
	if (dat->bPaused>0)	{	dat->bPended = TRUE;	return; 	}
	else dat->bPended = FALSE;
	
	if ( IMMEDIATE_DRAW && hdcParent == NULL ) return;
	GdiFlush();
#ifdef _DEBUG
	__AniAva_DebugRenderStrip();
#endif
	if (dat->bPlaying && IsWindowVisible(dat->hWindow))
	{
		POINT ptWnd = {0};
		SIZE szWnd = {dat->rcPos.right-dat->rcPos.left,dat->rcPos.bottom-dat->rcPos.top};
		BLENDFUNCTION bf = {AC_SRC_OVER, 0,g_CluiData.bCurrentAlpha*dat->bAlpha/256, AC_SRC_ALPHA };
		POINT pt_from = {0,0};
		HDC hDC_animation = GetDC(NULL);
		HDC copyFromDC;
		RECT clistRect;
		HDC tempDC = NULL;
		HBITMAP hBmp;
		HBITMAP hOldBmp;

		/*
		int x = bf.SourceConstantAlpha;
		x = (49152/(383-x))-129;
		x = min(x,255);	x = max(x,0);
		bf.SourceConstantAlpha = x;
		*/
		if ( AniAva.bFlags == 0 ) //simple and fastest method - no borders, round corners and etc. just copy
		{
			pt_from.x = dat->ptFromPoint.x+dat->currentFrame*dat->sizeAvatar.cx;
			pt_from.y = dat->ptFromPoint.y;
			copyFromDC = AniAva.hAniAvaDC;
		}
		else
		{
			// ... need to create additional hDC_animation
			HRGN hRgn = NULL;
			int cornerRadius = AniAva.cornerRadius;
			tempDC	 = CreateCompatibleDC( NULL );
			hBmp	 = ske_CreateDIB32( szWnd.cx, szWnd.cy );
			hOldBmp	 = (HBITMAP)SelectObject(tempDC,hBmp);
			if ( AniAva.bFlags & AAO_ROUND_CORNERS )
			{
				if ( !cornerRadius)  //auto radius
					cornerRadius = min(szWnd.cx, szWnd.cy )/5;
			}
			if ( AniAva.bFlags & AAO_HAS_BORDER )
			{
				// if has borders - create region (round corners) and fill it, remember internal as clipping
				HBRUSH hBrush = CreateSolidBrush( AniAva.borderColor );
				HBRUSH hOldBrush = (HBRUSH)SelectObject( tempDC, hBrush );
				HRGN rgnOutside = CreateRoundRectRgn( 0, 0, szWnd.cx+1, szWnd.cy+1, cornerRadius << 1, cornerRadius << 1);
				hRgn = CreateRoundRectRgn( 1, 1, szWnd.cx, szWnd.cy, cornerRadius << 1, cornerRadius << 1);
				CombineRgn( rgnOutside,rgnOutside,hRgn,RGN_DIFF);
				FillRgn( tempDC, rgnOutside, hBrush);
				ske_SetRgnOpaque( tempDC, rgnOutside, TRUE);
				SelectObject(tempDC, hOldBrush);
				DeleteObject(hBrush);
				DeleteObject(rgnOutside);
			} 
			else if ( cornerRadius > 0 )
			{
				// else create clipping area (round corners)
				hRgn = CreateRoundRectRgn(0, 0, szWnd.cx+1, szWnd.cy+1, cornerRadius << 1, cornerRadius << 1);
			}
			else
			{
				hRgn = CreateRectRgn(0, 0, szWnd.cx+1, szWnd.cy+1);
			}
			// select clip area
			if ( hRgn )
				ExtSelectClipRgn(tempDC, hRgn, RGN_AND);

			if ( AniAva.bFlags & AAO_OPAQUE)
			{
				// if back color - fill clipping area
				HBRUSH hBrush = CreateSolidBrush( AniAva.bkgColor );
				HBRUSH hOldBrush = (HBRUSH)SelectObject( tempDC, hBrush );
				FillRgn( tempDC, hRgn, hBrush );
				ske_SetRgnOpaque( tempDC, hRgn, TRUE );
			}
			// draw avatar
			if ( !(AniAva.bFlags & AAO_OPAQUE))
				BitBlt(tempDC,0, 0, szWnd.cx, szWnd.cy , AniAva.hAniAvaDC , dat->ptFromPoint.x+dat->sizeAvatar.cx*dat->currentFrame, dat->ptFromPoint.y, SRCCOPY);
			else
			{
				BLENDFUNCTION abf = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA };
				ske_AlphaBlend(tempDC,0, 0, szWnd.cx, szWnd.cy , AniAva.hAniAvaDC, dat->ptFromPoint.x+dat->sizeAvatar.cx*dat->currentFrame, dat->ptFromPoint.y, szWnd.cx, szWnd.cy, abf);
			}
			// reset clip area
			if ( hRgn )
			{
				DeleteObject(hRgn);
				hRgn = CreateRectRgn(0, 0, szWnd.cx, szWnd.cy);
				SelectClipRgn(tempDC, hRgn);
				DeleteObject(hRgn);
			}

			if (( AniAva.bFlags & AAO_HAS_OVERLAY )
				  && ( dat->overlayIconIdx != -1 )
				  && ( AniAva.overlayIconImageList ))
			{
				// if overlay - draw overlay icon
				// position - on avatar
				int x = szWnd.cx-ICON_WIDTH;
				int y = szWnd.cy-ICON_HEIGHT;
				ske_ImageList_DrawEx(AniAva.overlayIconImageList,
					dat->overlayIconIdx&0xFFFF,
					tempDC, x, y, ICON_WIDTH, ICON_HEIGHT,
					CLR_NONE, CLR_NONE, ILD_NORMAL);
			}
			copyFromDC = tempDC;
		}
		// intersect visible area
		// update layered window
		GetWindowRect(pcli->hwndContactTree, &clistRect);
		if (dat->rcPos.top < 0)
		{
			pt_from.y += -dat->rcPos.top;
			szWnd.cy += dat->rcPos.top;
		}
		if (dat->rcPos.bottom>clistRect.bottom-clistRect.top)
			szWnd.cy -= (dat->rcPos.bottom-(clistRect.bottom-clistRect.top));

		ptWnd.x = dat->rcPos.left+clistRect.left;
		ptWnd.y = (dat->rcPos.top>0 ? dat->rcPos.top :0)+clistRect.top;
		if (szWnd.cy>0)
		{
			if ( hdcParent && rcInParent && IMMEDIATE_DRAW )
			{
				if ( AniAva.bFlags & AAO_OPAQUE )
					BitBlt( hdcParent, rcInParent->left, rcInParent->top, szWnd.cx, szWnd.cy, copyFromDC, pt_from.x, pt_from.y, SRCCOPY);
				else
				{
					BLENDFUNCTION abf = {AC_SRC_OVER, 0, 255, AC_SRC_ALPHA };
					ske_AlphaBlend( hdcParent, rcInParent->left, rcInParent->top, szWnd.cx, szWnd.cy, copyFromDC, pt_from.x, pt_from.y, szWnd.cx, szWnd.cy, abf);
				}
			}
			else if ( !g_proc_UpdateLayeredWindow(dat->hWindow, hDC_animation, &ptWnd, &szWnd, copyFromDC, &pt_from, RGB(0,0,0), &bf, ULW_ALPHA ))
			{
				LONG exStyle;
				exStyle = GetWindowLongPtr(dat->hWindow,GWL_EXSTYLE);
				exStyle |= WS_EX_LAYERED;
				SetWindowLongPtr(dat->hWindow,GWL_EXSTYLE,exStyle);
				if ( !IMMEDIATE_DRAW )
					SetWindowPos( pcli->hwndContactTree, dat->hWindow, 0, 0, 0, 0, SWP_ASYNCWINDOWPOS | SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE | SWP_NOSENDCHANGING );
				g_proc_UpdateLayeredWindow(dat->hWindow, hDC_animation, &ptWnd, &szWnd, copyFromDC, &pt_from, RGB(0,0,0), &bf, ULW_ALPHA );
			}

			g_CluiData.fAeroGlass = false;
			CLUI_UpdateAeroGlass();
		}
		else
		{
			dat->bPlaying = FALSE;
		}
		ReleaseDC(NULL,hDC_animation);
		if (tempDC)
		{
			SelectObject(tempDC, hOldBmp);
			DeleteObject(hBmp);
			DeleteDC(tempDC);
		}
	}
	if ( !dat->bPlaying)
	{
		ShowWindow(dat->hWindow, SW_HIDE);
		KillTimer(dat->hWindow,2);  //stop animation till set pos will be called
	}
	GdiFlush();
}
static void _AniAva_PausePainting()
{
	int i;
	for (i=0; i < AniAva.Objects->realCount; i++)
	{
		ANIAVA_OBJECT * pai = (ANIAVA_OBJECT *)AniAva.Objects->items[i];
		SendMessage(pai->hWindow,AAM_PAUSE,0,0);
	}
}
static void _AniAva_ResumePainting()
{
	int i;
	for (i=0; i < AniAva.Objects->realCount; i++)
	{
		ANIAVA_OBJECT * pai = (ANIAVA_OBJECT *)AniAva.Objects->items[i];
		SendNotifyMessage(pai->hWindow,AAM_RESUME,0,0);
	}
}

static void _AniAva_ReduceAvatarImages(int startY, int dY, BOOL bDestroyWindow)
{
	int i;
	for (i=0; i < AniAva.Objects->realCount; i++)
	{
		ANIAVA_OBJECT * pai = (ANIAVA_OBJECT *)AniAva.Objects->items[i];
		int res = SendMessage(pai->hWindow,AAM_REMOVEAVATAR,(WPARAM)startY,(LPARAM)dY);
		if (res == 0xDEAD && bDestroyWindow)
		{
			_AniAva_DestroyAvatarWindow(pai->hWindow);
			mir_free(pai);
			List_Remove(AniAva.Objects,i);
			i--;
		}
	}
}


static void _AniAva_LoadOptions()
{
	aacheck;
	aalock;
	{
		AniAva.bFlags = (db_get_b(NULL,"CList","AvatarsDrawBorders",SETTINGS_AVATARDRAWBORDER_DEFAULT)?	AAO_HAS_BORDER		:0) |
			(db_get_b(NULL,"CList","AvatarsRoundCorners",SETTINGS_AVATARROUNDCORNERS_DEFAULT)?	AAO_ROUND_CORNERS	:0) |	
			(db_get_b(NULL,"CList","AvatarsDrawOverlay",SETTINGS_AVATARDRAWOVERLAY_DEFAULT)?	AAO_HAS_OVERLAY		:0) |
			((0) ? AAO_OPAQUE :0);

		if (AniAva.bFlags & AAO_HAS_BORDER)
			AniAva.borderColor = (COLORREF)db_get_dw(NULL,"CList","AvatarsBorderColor",SETTINGS_AVATARBORDERCOLOR_DEFAULT);;
		if (AniAva.bFlags & AAO_ROUND_CORNERS)
			AniAva.cornerRadius = db_get_b(NULL,"CList","AvatarsUseCustomCornerSize",SETTINGS_AVATARUSECUTOMCORNERSIZE_DEFAULT)? db_get_w(NULL,"CList","AvatarsCustomCornerSize",SETTINGS_AVATARCORNERSIZE_DEFAULT) : 0;
		if (AniAva.bFlags & AAO_HAS_OVERLAY)
		{
			//check image list
			BYTE type = db_get_b(NULL,"CList","AvatarsOverlayType",SETTINGS_AVATAROVERLAYTYPE_DEFAULT);
			switch(type)
			{
			case SETTING_AVATAR_OVERLAY_TYPE_NORMAL:
				AniAva.overlayIconImageList = hAvatarOverlays;
				break;
			case SETTING_AVATAR_OVERLAY_TYPE_PROTOCOL:
			case SETTING_AVATAR_OVERLAY_TYPE_CONTACT:
				AniAva.overlayIconImageList = g_himlCListClc;
				break;
			default:
				AniAva.overlayIconImageList = NULL;
			}
		}
		if (AniAva.bFlags & AAO_OPAQUE)
			AniAva.bkgColor = 0;
		AniAva.bSeparateWindow = db_get_b(NULL,"CList","AvatarsInSeparateWnd",SETTINGS_AVATARINSEPARATE_DEFAULT); 

	}
	aaunlock;
}
static void _AniAva_AnimationTreadProc(HANDLE hExitEvent)
{
	//wait forever till hExitEvent signalled
	DWORD rc;
	HANDLE hThread = 0;
	DuplicateHandle(GetCurrentProcess(),GetCurrentThread(),GetCurrentProcess(),&hThread,0,FALSE,DUPLICATE_SAME_ACCESS);
	AniAva.AnimationThreadHandle = hThread;
	SetThreadPriority(hThread,THREAD_PRIORITY_LOWEST);
	for (;;)
	{
		if ( fnMsgWaitForMultipleObjectsEx )
			rc = fnMsgWaitForMultipleObjectsEx(1,&hExitEvent, INFINITE, QS_ALLINPUT, MWMO_ALERTABLE);
		else
			rc = MsgWaitForMultipleObjects(1,&hExitEvent, FALSE, INFINITE, QS_ALLINPUT);

		ResetEvent(hExitEvent);
		if ( rc == WAIT_OBJECT_0 + 1 )
		{
			MSG msg;
			while ( PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
			{
				if ( IsDialogMessage(msg.hwnd, &msg)) continue;
				TranslateMessage(&msg);
				DispatchMessage(&msg);
			}
		}
		else if ( rc == WAIT_OBJECT_0 )
		{
			break;
		}
	}
	CloseHandle(AniAva.AnimationThreadHandle);
	AniAva.AnimationThreadHandle = NULL;
}

static int	_AniAva_SortAvatarInfo(void * first, void * last)
{
	int res = 0;
	ANIAVA_INFO * aai1 = (ANIAVA_INFO *)first;
	ANIAVA_INFO * aai2 = (ANIAVA_INFO *)last;
	if (aai1 && aai1->tcsFilename  && 
		aai2 && aai2->tcsFilename)
	{
		res = _tcsicmp(aai2->tcsFilename, aai1->tcsFilename);
	}
	else
	{
		int a1 = (aai1 && aai1->tcsFilename)? 1:0;
		int a2 = (aai2 && aai2->tcsFilename)? 1:0;
		res = a1-a2;
	}

	if (res == 0)
	{
		if ( aai1->FrameSize.cx == aai2->FrameSize.cx && aai1->FrameSize.cy == aai2->FrameSize.cy )
			return 0;
		else
			return 1;
	}
	else
		return res;
}

void _AniAva_InvalidateParent(ANIAVA_WINDOWINFO * dat)
{
	if ( !IMMEDIATE_DRAW ) return;
	HWND hwndParent = pcli->hwndContactTree;
	RECT rcPos = dat->rcPos;
	pcli->pfnInvalidateRect( hwndParent, &rcPos, FALSE );
}

static LRESULT CALLBACK _AniAva_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	ANIAVA_WINDOWINFO * dat = NULL;
	if (msg == WM_TIMER || msg == WM_DESTROY  || 	(msg>AAM_FIRST && msg < AAM_LAST))
		dat = (ANIAVA_WINDOWINFO *)GetWindowLongPtr(hwnd, GWLP_USERDATA);

	switch (msg)
	{
	case AAM_REMOVEAVATAR:
		if (dat->ptFromPoint.x == (int)wParam) return 0xDEAD;	 //need to destroy window
		else if (dat->ptFromPoint.x>(int)wParam) dat->ptFromPoint.x -= (int)lParam;
		return 0;

	case AAM_PAUSE:
		dat->bPaused++;
		return 0;

	case AAM_RESUME:
		dat->bPaused--;
		if (dat->bPaused) return 0;
		if (dat->bPended) 
		{
			if ( !IMMEDIATE_DRAW )
				_AniAva_RenderAvatar(dat);
		}
		dat->bPended = FALSE;
		return 0;

	case AAM_STOP:
		if (dat->bPlaying)
		{
			dat->bPlaying = FALSE;
			KillTimer(hwnd,2);
			ShowWindow(hwnd, SW_HIDE);
		}
		return 0;

	case AAM_SETAVATAR:
		{
			ANIAVATARIMAGEINFO *paaii = (ANIAVATARIMAGEINFO*)wParam;
			_AniAva_Clear_ANIAVA_WINDOWINFO(dat);
			dat->nFramesCount = paaii->nFramesCount;
			dat->delaysInterval = paaii->pFrameDelays;
			dat->sizeAvatar = paaii->szSize;
			dat->ptFromPoint = paaii->ptImagePos;
			dat->currentFrame = 0;
			dat->bPlaying = FALSE;
			return MAKELONG(dat->sizeAvatar.cx,dat->sizeAvatar.cy);
		}

	case AAM_SETPOSITION:
		{
			ANIAVA_POSINFO * papi = (ANIAVA_POSINFO *)lParam;
			if ( !dat->delaysInterval) return 0;
			if ( !papi) return 0;
			dat->rcPos = papi->rcPos;
			dat->overlayIconIdx = papi->idxOverlay;
			dat->bAlpha = papi->bAlpha;
			free(papi);
			if ( !dat->bPlaying)
			{
				dat->bPlaying = TRUE;
				ShowWindow(hwnd,SW_SHOWNA);
				dat->currentFrame = 0;
				KillTimer(hwnd,2);
				SetTimer(hwnd,2,dat->delaysInterval[0],NULL);
			}
			if ( !IMMEDIATE_DRAW )
				_AniAva_RenderAvatar(dat);
			return 0;
		}
	case AAM_SETPARENT:
		if ( IMMEDIATE_DRAW ) return 0;
		dat->bOrderTop = ((HWND)wParam != GetDesktopWindow());
		SetParent(hwnd,(HWND)wParam);
		if (dat->bOrderTop)
		{
			SetWindowPos(hwnd,HWND_TOP,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE|SWP_ASYNCWINDOWPOS);
		}
		else
		{
			LONG exStyle;
			exStyle = GetWindowLongPtr(pcli->hwndContactList,GWL_EXSTYLE);
			SetWindowPos(pcli->hwndContactList,hwnd,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE/*|SWP_ASYNCWINDOWPOS*/);			
			if ( !(exStyle&WS_EX_TOPMOST))
				SetWindowPos(pcli->hwndContactList,HWND_NOTOPMOST,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE/*|SWP_ASYNCWINDOWPOS*/);
		}
		return 0;

	case AAM_REDRAW:
		if ( IMMEDIATE_DRAW )
			return 0;
		if ( wParam )
		{
			if (dat->bOrderTop)
			{
				SetWindowPos(hwnd,HWND_TOP,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE|SWP_ASYNCWINDOWPOS);
			}
			else
			{
				LONG exStyle;
				exStyle = GetWindowLongPtr(pcli->hwndContactList,GWL_EXSTYLE);
				SetWindowPos(pcli->hwndContactList,hwnd,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE/*|SWP_ASYNCWINDOWPOS*/);
				if ( !(exStyle&WS_EX_TOPMOST))
					SetWindowPos(pcli->hwndContactList,HWND_NOTOPMOST,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE/*|SWP_ASYNCWINDOWPOS*/);
			}
		}

		_AniAva_RenderAvatar( dat );
		return 0;


	case AAM_RENDER:
		{
			HDC hdc = ( HDC )wParam;
			RECT* rect = ( RECT* )lParam;
			_AniAva_RenderAvatar( dat, hdc, rect );
		}
		return 0;

	case AAM_SELFDESTROY:
		return DestroyWindow(hwnd);

	case WM_CREATE:
		{
			LONG exStyle;
			ANIAVA_WINDOWINFO * dat = (ANIAVA_WINDOWINFO *) mir_calloc(sizeof (ANIAVA_WINDOWINFO));
			SetWindowLongPtr(hwnd,GWLP_USERDATA,(LONG_PTR)dat);
			dat->hWindow = hwnd;
			//ShowWindow(dat->hWindow,SW_SHOW);
			//change layered mode
			exStyle = GetWindowLongPtr(dat->hWindow,GWL_EXSTYLE);
			exStyle |= WS_EX_LAYERED;
			SetWindowLongPtr(dat->hWindow,GWL_EXSTYLE,exStyle);
			exStyle = GetWindowLongPtr(dat->hWindow,GWL_STYLE);
			exStyle &= ~WS_POPUP;
			exStyle |= WS_CHILD;
			SetWindowLongPtr(dat->hWindow,GWL_STYLE,exStyle);
			break;
		}
	case WM_TIMER:
		{
			if ( !IsWindowVisible(hwnd))
			{
				DestroyWindow(hwnd);
				return 0;
			}
			dat->currentFrame++;
			if (dat->currentFrame >= dat->nFramesCount)
				dat->currentFrame = 0;

			if ( !IMMEDIATE_DRAW ) 
				_AniAva_RenderAvatar( dat );
			else
				_AniAva_InvalidateParent( dat );

			KillTimer(hwnd,2);
			SetTimer(hwnd,2,dat->delaysInterval[dat->currentFrame]+1,NULL);
			return 0;
		}
	case WM_DESTROY:
		{
			_AniAva_Clear_ANIAVA_WINDOWINFO(dat);
			mir_free(dat);
			SetWindowLongPtr(hwnd,GWLP_USERDATA,(LONG_PTR)NULL);
			break;
		}

	}
	return DefWindowProc(hwnd, msg, wParam, lParam);
}

#undef aacheck
#undef aalock
#undef aaunlock

/////////////////////////////////////////////////////////////////
// some stub

HWND WINAPI MyGetAncestor( HWND hWnd, UINT option )
{
	if ( option == GA_PARENT )
		return GetParent( hWnd );

	if ( option == GA_ROOTOWNER ) {
		HWND result = hWnd;
		while( true ) {
			HWND hParent = GetParent( result );
			if ( !hParent )
				return result;

			result = hParent;
		}
	}

	return NULL;
}