51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
#ifndef _INETNOT_H
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#define _INETNOT_H
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//+-------------------------------------------------------------------------
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// Wininet currently only support sending notifications of changes to the
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// cache to one window. This class creates one top-level window per process
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// for receiving and re-broadcasting these notifications. When the
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// process shuts down, we look for another window to take over these
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// messages.
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//
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// This is an imperfect solution. It would have been much easier if the
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// wininet guys could have been convinced to call SHChangeNotify instead.
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// However, they are planning to enhace this later. (stevepro))
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//--------------------------------------------------------------------------
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class CWinInetNotify
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{
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public:
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CWinInetNotify();
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~CWinInetNotify();
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void Enable(BOOL fEnable = TRUE);
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static void GlobalEnable();
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static void GlobalDisable();
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protected:
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void _EnterMutex();
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void _LeaveMutex();
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static void _HookInetNotifications(HWND hwnd);
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static void _OnNotify(DWORD_PTR dwFlags);
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static LRESULT CALLBACK _WndProc(HWND hwnd, UINT uMessage, WPARAM wParam, LPARAM lParam);
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static BOOL CALLBACK EnumWindowsProc(HWND hwnd, LPARAM lParam);
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enum
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{
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CWM_WININETNOTIFY = WM_USER + 410
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};
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HANDLE _hMutex;
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BOOL _fEnabled;
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static HWND s_hwnd;
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static ULONG s_ulEnabled;
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static CWinInetNotify* s_pWinInetNotify;
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};
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#define CWinInetNotify_szWindowClass TEXT("Inet Notify_Hidden")
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#endif //_INETNOT_H
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