mulwidgets/gesturehelper/src/pointercapturer.h
branchRCL_3
changeset 26 0e9bb658ef58
parent 0 e83bab7cf002
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mulwidgets/gesturehelper/src/pointercapturer.h	Wed Sep 01 12:23:18 2010 +0100
@@ -0,0 +1,68 @@
+/*
+* Copyright (c) 2008 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:  Responsible for capturing pointer events
+*
+*/
+
+#ifndef _POINTERCAPTURER_H_
+#define _POINTERCAPTURER_H_
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+
+class CAlfControl;
+class CAlfControlGroup;
+class CAlfEnv;
+class CAlfDisplay;
+
+// CLASS DECLARATION
+
+namespace GestureHelper 
+{
+
+class CGestureHelperImpl;
+class CPointerCaptureControl;
+
+/**
+ * CPointerCaptureControl
+ * Gesture control own a gesture helper, and captures any pointer events that 
+ * no other control captures. After it captures pointer down event, it will 
+ * capture all pointer events until pointer up. It does this by bringing its
+ * control group to the top upon pointer down, and lowering the control group
+ * to the botton upon pointer up.
+ */
+NONSHARABLE_CLASS( CPointerCapturer ) : public CBase
+    {
+public: 
+    /** Two-phased constructor */
+    static CPointerCapturer* NewL();
+    /** Destructor */
+    ~CPointerCapturer();
+    
+    void InitForAlfredL( CGestureHelperImpl& aHelper, CAlfEnv& aEnv, 
+        CAlfDisplay& aDisplay, TInt aControlGroupId );
+
+    void StartL();
+    void Stop();
+    
+private:    
+    /// 
+    CPointerCaptureControl* iCaptureControl;
+    TInt iControlGroupId;
+    };
+
+} // namespace GestureHelper
+    
+#endif // _POINTERCAPTURER_H_