Import Upstream version 2.0.0+dfsgupstream/2.0.0+dfsg

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;
+};