/************************************************************************
	Copy Handler 1.x - program for copying data	in Microsoft Windows
						 systems.
	Copyright (C) 2001-2004 Ixen Gerthannes (copyhandler@o2.pl)

	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., 675 Mass Ave, Cambridge, MA 02139, USA.
*************************************************************************/
#include "stdafx.h"
#include "Theme Helpers.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

CUxThemeSupport::CUxThemeSupport()
{
	m_hThemesDll=LoadLibrary(_T("UxTheme.dll"));
}

CUxThemeSupport::~CUxThemeSupport()
{
	if (m_hThemesDll)
		FreeLibrary(m_hThemesDll);
}

HTHEME CUxThemeSupport::OpenThemeData(HWND hwnd, LPCWSTR pszClassList)
{
	ASSERT(m_hThemesDll);

	PFNOPENTHEMEDATA pfnProc=(PFNOPENTHEMEDATA)GetProcAddress(m_hThemesDll, _T("OpenThemeData"));

	if (pfnProc)
		return (*pfnProc)(hwnd, pszClassList);
	else
		return NULL;
}

HRESULT CUxThemeSupport::CloseThemeData(HTHEME hTheme)
{
	ASSERT(m_hThemesDll);

	PFNCLOSETHEMEDATA pfnProc=(PFNCLOSETHEMEDATA)GetProcAddress(m_hThemesDll, _T("CloseThemeData"));

	if (pfnProc)
		return (*pfnProc)(hTheme);
	else
		return E_UNEXPECTED;
}

HRESULT CUxThemeSupport::DrawThemeEdge(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT* pDestRect, UINT uEdge, UINT uFlags, RECT* pContentRect)
{
	ASSERT(m_hThemesDll);

	PFNDRAWTHEMEEDGE pfnProc=(PFNDRAWTHEMEEDGE)GetProcAddress(m_hThemesDll, _T("DrawThemeEdge"));

	if (pfnProc)
		return (*pfnProc)(hTheme, hdc, iPartId, iStateId, pDestRect, uEdge, uFlags, pContentRect);
	else
		return E_UNEXPECTED;
}

HRESULT CUxThemeSupport::DrawThemeBackground(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pRect, OPTIONAL const RECT *pClipRect)
{
	ASSERT(m_hThemesDll);

	PFNDRAWTHEMEBACKGROUND pfnProc=(PFNDRAWTHEMEBACKGROUND)GetProcAddress(m_hThemesDll, _T("DrawThemeBackground"));

	if (pfnProc)
		return (*pfnProc)(hTheme, hdc, iPartId, iStateId, pRect, pClipRect);
	else
		return E_UNEXPECTED;
}

HRESULT CUxThemeSupport::DrawThemeParentBackground(HWND hwnd, HDC hdc, RECT* prc)
{
	ASSERT(m_hThemesDll);

	PFNDRAWTHEMEPARENTBACKGROUND pfnProc=(PFNDRAWTHEMEPARENTBACKGROUND)GetProcAddress(m_hThemesDll, _T("DrawThemeParentBackground"));

	if (pfnProc)
		return (*pfnProc)(hwnd, hdc, prc);
	else
		return E_UNEXPECTED;
}

BOOL CUxThemeSupport::IsAppThemed()
{
	ASSERT(m_hThemesDll);

	PFNISAPPTHEMED pfnProc=(PFNISAPPTHEMED)GetProcAddress(m_hThemesDll, _T("IsAppThemed"));

	if (pfnProc)
		return (*pfnProc)();
	else
		return FALSE;
}