D:/opendownloadmanager/ODM-1.x/vmsTheme.cpp

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/*
  Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
  Open Download Manager Copyright (c) 2008-2010 OpenDownloadManager.ORG
*/        

#include "stdafx.h"
#include "vmsTheme.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif        

vmsTheme::vmsTheme()
{
        m_hThemeDLL = LoadLibrary ("UxTheme.dll");
        
        if (m_hThemeDLL)
        {
                m_pfnOpenThemeData = (fntOpenThemeData)GetProcAddress (m_hThemeDLL, "OpenThemeData");
                m_pfnDrawThemeBackground = (fntDrawThemeBackground)GetProcAddress (m_hThemeDLL, "DrawThemeBackground");
                m_pfnCloseThemeData = (fntCloseThemeData)GetProcAddress (m_hThemeDLL, "CloseThemeData");
                m_pfnIsThemeActive = (fntIsThemeActive)GetProcAddress (m_hThemeDLL, "IsThemeActive");
                m_pfnSetWindowTheme = (fntSetWindowTheme)GetProcAddress (m_hThemeDLL, "SetWindowTheme");
        }
        else
        {
                m_pfnOpenThemeData = NULL;
                m_pfnDrawThemeBackground = NULL;
                m_pfnCloseThemeData = NULL;
                m_pfnIsThemeActive = NULL;
                m_pfnSetWindowTheme = NULL;
        }
}

vmsTheme::~vmsTheme()
{
        if (m_hThemeDLL)
                FreeLibrary (m_hThemeDLL);
}

HTHEME vmsTheme::OpenThemeData(HWND hwnd, LPCWSTR pszClassList)
{
        if (m_pfnOpenThemeData)
                return m_pfnOpenThemeData (hwnd, pszClassList);
        else
                return NULL;
}

HRESULT vmsTheme::DrawThemeBackground(HTHEME hTheme, HDC hdc, int iPartId, int iStateId, const RECT *pRect, const RECT *pClipRect)
{
        if (m_pfnDrawThemeBackground)
                return m_pfnDrawThemeBackground (hTheme, hdc, iPartId, iStateId, pRect, pClipRect);
        else
                return E_NOTIMPL;
}

HRESULT vmsTheme::CloseThemeData(HTHEME hTheme)
{
        if (m_pfnCloseThemeData)
                return m_pfnCloseThemeData (hTheme);
        else
                return E_NOTIMPL;
}

BOOL vmsTheme::IsThemeActive()
{
        return m_pfnIsThemeActive ? m_pfnIsThemeActive () : FALSE;
}

HRESULT vmsTheme::SetWindowTheme(HWND hwnd, LPCWSTR pszSubAppName, LPCWSTR pszSubIdList)
{
        if (m_pfnCloseThemeData)
                return m_pfnSetWindowTheme (hwnd, pszSubAppName, pszSubIdList);
        else
                return E_NOTIMPL;
}

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