--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tvout/tvoutengine/inc/glxwindowvisibilitymonitor.h Tue Aug 31 15:14:51 2010 +0300
@@ -0,0 +1,95 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Class definition that monitors tv window visibility
+*
+*/
+
+
+#ifndef __GLXWINVISIBILITYMONITOR_H__
+#define __GLXWINVISIBILITYMONITOR_H__
+
+// External Includes
+#include <e32base.h> // for CBase
+#include <AknWsEventObserver.h> // for MAknWsEventObserver
+
+
+// Forward Declarations
+class MGlxWindowVisibilityObserver;
+
+
+/**
+ * Class Description
+ * An Active object derived class is used to monitor the visibility of the
+ * TV out window.
+ */
+NONSHARABLE_CLASS(CGlxWindowVisibilityMonitor) : public CBase,
+ public MAknWsEventObserver
+ {
+public:
+ /**
+ * Static Symbian 2 stage constructor.
+ */
+ static CGlxWindowVisibilityMonitor* NewL(
+ MGlxWindowVisibilityObserver& aVisibilityObserver );
+
+ /**
+ * Destructor.
+ */
+ ~CGlxWindowVisibilityMonitor();
+
+
+ /**
+ * Close.
+ */
+ void Close();
+
+private:
+
+ /**
+ * Standard C++ constructor
+ */
+ CGlxWindowVisibilityMonitor(
+ MGlxWindowVisibilityObserver& aVisibilityObserver );
+
+ /*
+ * Symbian second stage construction
+ */
+ void ConstructL();
+
+public: /// class member functions
+
+ /**
+ * Provides the caller with the current visible state
+ * @return ETrue if the window is visible or false otherwise
+ */
+ TBool IsVisible() const;
+
+public: // from MAknWsEventObserver
+
+ void HandleWsEventL( const TWsEvent& aEvent, CCoeControl* aDestination );
+
+private: /// class member data
+ /// Not ownded: The Akn event monitor
+ CAknWsEventMonitor* iAknEventMonitor;
+
+ /// Not owned: Window visibility observer
+ MGlxWindowVisibilityObserver& iVisibilityObserver;
+
+ /// The visible state
+ TBool iIsVisible;
+ };
+
+
+
+#endif // __GLXWINVISIBILITYMONITOR_H__