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