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Diffstat (limited to 'src/lib/platform/MSWindowsScreenSaver.h')
| -rw-r--r-- | src/lib/platform/MSWindowsScreenSaver.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/src/lib/platform/MSWindowsScreenSaver.h b/src/lib/platform/MSWindowsScreenSaver.h new file mode 100644 index 0000000..91df181 --- /dev/null +++ b/src/lib/platform/MSWindowsScreenSaver.h @@ -0,0 +1,89 @@ +/* + * barrier -- mouse and keyboard sharing utility + * Copyright (C) 2012-2016 Symless Ltd. + * Copyright (C) 2002 Chris Schoeneman + * + * This package is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * found in the file LICENSE that should have accompanied this file. + * + * This package is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#pragma once + +#include "barrier/IScreenSaver.h" +#include "base/String.h" + +#define WIN32_LEAN_AND_MEAN +#include <Windows.h> + +class Thread; + +//! Microsoft windows screen saver implementation +class MSWindowsScreenSaver : public IScreenSaver { +public: + MSWindowsScreenSaver(); + virtual ~MSWindowsScreenSaver(); + + //! @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 FindScreenSaverInfo { + public: + HDESK m_desktop; + HWND m_window; + }; + + static BOOL CALLBACK killScreenSaverFunc(HWND hwnd, LPARAM lParam); + + void watchDesktop(); + void watchProcess(HANDLE process); + void unwatchProcess(); + void watchDesktopThread(void*); + void watchProcessThread(void*); + + void setSecure(bool secure, bool saveSecureAsInt); + bool isSecure(bool* wasSecureAnInt) const; + +private: + BOOL m_wasEnabled; + bool m_wasSecure; + bool m_wasSecureAnInt; + + HANDLE m_process; + Thread* m_watch; + DWORD m_threadID; + UINT m_msg; + WPARAM m_wParam; + LPARAM m_lParam; + + // checkActive state. true if the screen saver is being watched + // for deactivation (and is therefore active). + bool m_active; +}; |
