/*

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.
*/
#ifndef modern_clui_h__
#define modern_clui_h__

#include "windowsX.h"
#define HANDLE_MESSAGE( _message, _fn)    \
	case (_message): return This->_fn((_message), (wParam), (lParam))

class CLUI
{
public:
	static HWND   m_hWnd;
	static CLUI * m_pCLUI;
	static BOOL   m_fMainMenuInited;

private:
	CLUI();			// is protected use InitClui to initialize instead

public:
	~CLUI();

	static HRESULT InitClui()         { m_pCLUI = new CLUI(); return S_OK; };
	static HWND&   ClcWnd()           { return pcli->hwndContactTree; }
	static HWND&   CluiWnd()          { return pcli->hwndContactList; }
	static CLUI *  GetClui()          { return m_pCLUI; } 
	static BOOL    IsMainMenuInited() { return CLUI::m_fMainMenuInited; }

	CLINTERFACE void cliOnCreateClc();

	EVENTHOOK( OnEvent_ModulesLoaded );
	EVENTHOOK( OnEvent_ContactMenuPreBuild );
	EVENTHOOK( OnEvent_FontReload );
	
	SERVICE( Service_ShowMainMenu );
	SERVICE( Service_ShowStatusMenu );
	SERVICE( Service_Menu_ShowContactAvatar );
	SERVICE( Service_Menu_HideContactAvatar );

	static LRESULT CALLBACK cli_ContactListWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
	{
		CLUI * This = m_pCLUI;
		if ( !m_hWnd ) m_hWnd = hwnd;

		BOOL bHandled = FALSE;
		LRESULT lRes= This->PreProcessWndProc( msg, wParam, lParam, bHandled ); 
		if ( bHandled ) return lRes;

		switch ( msg )
		{
			HANDLE_MESSAGE( WM_NCCREATE,				OnNcCreate );
			HANDLE_MESSAGE( WM_CREATE,					OnCreate );
			HANDLE_MESSAGE( UM_CREATECLC,				OnCreateClc );
			HANDLE_MESSAGE( UM_SETALLEXTRAICONS,		OnSetAllExtraIcons );
			HANDLE_MESSAGE( WM_INITMENU,				OnInitMenu );
			HANDLE_MESSAGE( WM_SIZE,					OnSizingMoving );
			HANDLE_MESSAGE( WM_SIZING,					OnSizingMoving );
			HANDLE_MESSAGE( WM_MOVE,					OnSizingMoving );
			HANDLE_MESSAGE( WM_EXITSIZEMOVE,			OnSizingMoving );
			HANDLE_MESSAGE( WM_WINDOWPOSCHANGING,		OnSizingMoving );
			HANDLE_MESSAGE( WM_DISPLAYCHANGE,			OnSizingMoving );
			HANDLE_MESSAGE( WM_THEMECHANGED,			OnThemeChanged );
			HANDLE_MESSAGE( WM_DWMCOMPOSITIONCHANGED,	OnDwmCompositionChanged );
			HANDLE_MESSAGE( UM_SYNCCALL,				OnSyncCall );
			HANDLE_MESSAGE( UM_UPDATE,					OnUpdate );
			HANDLE_MESSAGE( WM_NCACTIVATE,				OnNcPaint );
			HANDLE_MESSAGE( WM_PRINT,					OnNcPaint );
			HANDLE_MESSAGE( WM_NCPAINT,					OnNcPaint );
			HANDLE_MESSAGE( WM_ERASEBKGND,				OnEraseBkgnd );
			HANDLE_MESSAGE( WM_PAINT,					OnPaint );
			HANDLE_MESSAGE( WM_LBUTTONDOWN,				OnLButtonDown );
			HANDLE_MESSAGE( WM_PARENTNOTIFY,			OnParentNotify );
			HANDLE_MESSAGE( WM_SETFOCUS,				OnSetFocus );
			HANDLE_MESSAGE( WM_TIMER,					OnTimer );
			HANDLE_MESSAGE( WM_ACTIVATE,				OnActivate );
			HANDLE_MESSAGE( WM_SETCURSOR,				OnSetCursor );
			HANDLE_MESSAGE( WM_MOUSEACTIVATE,			OnMouseActivate );
			HANDLE_MESSAGE( WM_NCLBUTTONDOWN,			OnNcLButtonDown );
			HANDLE_MESSAGE( WM_NCLBUTTONDBLCLK,			OnNcLButtonDblClk );
			HANDLE_MESSAGE( WM_NCHITTEST,				OnNcHitTest );
			HANDLE_MESSAGE( WM_SHOWWINDOW,				OnShowWindow );
			HANDLE_MESSAGE( WM_SYSCOMMAND,				OnSysCommand );
			HANDLE_MESSAGE( WM_KEYDOWN,					OnKeyDown );
			HANDLE_MESSAGE( WM_GETMINMAXINFO,			OnGetMinMaxInfo );
			HANDLE_MESSAGE( WM_MOVING,					OnMoving );
			HANDLE_MESSAGE( WM_NOTIFY,					OnNotify );
			HANDLE_MESSAGE( WM_CONTEXTMENU,				OnContextMenu );
			HANDLE_MESSAGE( WM_MEASUREITEM,				OnMeasureItem );
			HANDLE_MESSAGE( WM_DRAWITEM,				OnDrawItem );
			HANDLE_MESSAGE( WM_DESTROY,					OnDestroy );
		default:
			return This->DefCluiWndProc(msg, wParam, lParam);
		}
		return FALSE;
	}


	//////////////////////////////////////////////////////////////////////////
	// METHODS
	//
private:
	HRESULT CreateCLC();
	HRESULT FillAlphaChannel( HDC hDC, RECT* prcParent, BYTE bAlpha);
	HRESULT SnappingToEdge( WINDOWPOS * lpWindowPos );
	HRESULT LoadDllsRuntime();
	HRESULT RegisterAvatarMenu();  // TODO move to CLC class
	HRESULT CreateCluiFrames();
	HRESULT CreateCLCWindow(const HWND parent);
	HRESULT CreateUIFrames();

	LRESULT DefCluiWndProc(UINT msg, WPARAM wParam, LPARAM lParam)
	{
		return corecli.pfnContactListWndProc( m_hWnd, msg, wParam, lParam);
	}

	// MessageMap
	LRESULT PreProcessWndProc(UINT msg, WPARAM wParam, LPARAM lParam, BOOL& bHandled );
	LRESULT OnSizingMoving(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnThemeChanged(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnDwmCompositionChanged(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnSyncCall(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnUpdate(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnInitMenu(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnNcPaint(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnEraseBkgnd(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnNcCreate(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnPaint(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnCreate(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnSetAllExtraIcons(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnCreateClc(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnLButtonDown(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnParentNotify(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnSetFocus(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnTimer(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnStatusBarUpdateTimer(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnAutoAlphaTimer(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnSmoothAlphaTransitionTimer(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnDelayedSizingTimer(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnBringOutTimer(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnBringInTimer(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnUpdateBringTimer(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnActivate(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnSetCursor(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnMouseActivate(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnNcLButtonDown(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnNcLButtonDblClk(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnNcHitTest(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnShowWindow(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnSysCommand(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnKeyDown(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnGetMinMaxInfo(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnMoving(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnNotify(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnListSizeChangeNotify(NMCLISTCONTROL *pnmc);
	LRESULT OnClickNotify(NMCLISTCONTROL *pnmc);
	LRESULT OnContextMenu(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnMeasureItem(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnDrawItem(UINT msg, WPARAM wParam, LPARAM lParam);
	LRESULT OnDestroy(UINT msg, WPARAM wParam, LPARAM lParam);

protected:
	HMODULE m_hDwmapiDll;
	HMODULE m_hUserDll;

	enum { SNAPTOEDGESENSIVITY = 30 };
};

#endif // modern_clui_h__