Source code of Windows XP (NT5)
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74 lines
2.3 KiB

//---------------------------------------------------------------------------
// AppInfo.h - manages app-level theme information (thread safe)
//---------------------------------------------------------------------------
#pragma once
//---------------------------------------------------------------------------
#include "ThemeFile.h"
//---------------------------------------------------------------------------
struct THEME_FILE_ENTRY
{
int iRefCount;
CUxThemeFile *pThemeFile;
};
//---------------------------------------------------------------------------
class CAppInfo
{
public:
//---- public methods ----
CAppInfo();
~CAppInfo();
void ClosePreviewThemeFile();
BOOL CompositingEnabled();
BOOL AppIsThemed();
BOOL CustomAppTheme();
BOOL WindowHasTheme(HWND hwnd);
HRESULT OpenWindowThemeFile(HWND hwnd, CUxThemeFile **ppThemeFile);
HRESULT LoadCustomAppThemeIfFound();
DWORD GetAppFlags();
HWND PreviewHwnd();
void SetAppFlags(DWORD dwFlags);
void SetPreviewThemeFile(HANDLE handle, HWND hwnd);
void ResetAppTheme(int iChangeNum, BOOL fMsgCheck, BOOL *pfChanged, BOOL *pfFirstMsg);
BOOL IsSystemThemeActive();
//---- themefile obj list ----
HRESULT OpenThemeFile(HANDLE handle, CUxThemeFile **ppThemeFile);
HRESULT BumpRefCount(CUxThemeFile *pThemeFile);
void CloseThemeFile(CUxThemeFile *pThemeFile);
//---- foreign window tracking ----
BOOL GetForeignWindows(HWND **ppHwnds, int *piCount);
BOOL OnWindowDestroyed(HWND hwnd);
BOOL HasThemeChanged();
#ifdef DEBUG
void DumpFileHolders();
#endif
protected:
//---- helper methods ----
BOOL TrackForeignWindow(HWND hwnd);
//---- data ----
BOOL _fCustomAppTheme;
CUxThemeFile *_pPreviewThemeFile;
HWND _hwndPreview;
CUxThemeFile *_pAppThemeFile;
int _iChangeNum; // last change number from theme service
int _iFirstMsgChangeNum; // last change number from WM_THEMECHANGED_TRIGGER msg
BOOL _fCompositing;
BOOL _fFirstTimeHooksOn;
BOOL _fNewThemeDiscovered;
DWORD _dwAppFlags;
//---- file list ----
CSimpleArray<THEME_FILE_ENTRY> _ThemeEntries;
//---- foreign window list ----
CSimpleArray<HWND> _ForeignWindows;
CRITICAL_SECTION _csAppInfo;
};
//---------------------------------------------------------------------------