barrier/platform/CMSWindowsScreenSaver.h

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#ifndef CMSWINDOWSSCREENSAVER_H
#define CMSWINDOWSSCREENSAVER_H
#include "IScreenSaver.h"
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
class CThread;
class CMSWindowsScreenSaver : public IScreenSaver {
public:
CMSWindowsScreenSaver();
virtual ~CMSWindowsScreenSaver();
// manipulators
// check if the screen saver really started. returns false if it
// hasn't, true otherwise. when the screen saver stops msg will
// be posted to the current thread's message queue with the given
// parameters.
bool checkStarted(UINT msg, WPARAM, LPARAM);
// IScreenSaver overrides
virtual void enable();
virtual void disable();
virtual void activate();
virtual void deactivate();
virtual bool isActive() const;
private:
class CFindScreenSaverInfo {
public:
HDESK m_desktop;
HWND m_window;
};
static BOOL CALLBACK findScreenSaverFunc(HWND hwnd, LPARAM lParam);
static BOOL CALLBACK killScreenSaverFunc(HWND hwnd, LPARAM lParam);
HWND findScreenSaver();
void watchProcess(HANDLE process);
void unwatchProcess();
void watchProcessThread(void*);
private:
bool m_is95Family;
bool m_is95;
bool m_isNT;
BOOL m_wasEnabled;
HANDLE m_process;
CThread* m_watch;
DWORD m_threadID;
UINT m_msg;
WPARAM m_wParam;
LPARAM m_lParam;
};
#endif