barrier/lib/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;
//! Microsoft windows screen saver implementation
class CMSWindowsScreenSaver : public IScreenSaver {
public:
CMSWindowsScreenSaver();
virtual ~CMSWindowsScreenSaver();
//! @name manipulators
//@{
//! Check if screen saver started
/*!
Check if the screen saver really started. Returns false if it
hasn't, true otherwise. When the screen saver stops, \c 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