--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/inc/fstreecontrol.h Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,160 @@
+/*
+* Copyright (c) 2007 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: CFsTreeControl is a HUI control that handles UI events for
+ * tree list.
+ *
+*/
+
+
+#ifndef C_FSTREECONTROL_H
+#define C_FSTREECONTROL_H
+
+//////SYSTEM INCLUDES
+#include <e32base.h>
+
+//////PROJECT INCLUDES
+//<cmail> removed __FS_ALFRED_SUPPORT flag
+//#include <fsconfig.h>
+//</cmail> removed __FS_ALFRED_SUPPORT flag
+
+//////TOOLKIT INCLUDES
+//<cmail> SF
+#include <alf/alfcontrol.h>
+//</cmail>
+
+//////TOOLKIT CLASSES
+class TAlfEvent;
+class CAlfVisual;
+
+//////PROJECT CLASSES
+class CFsTree;
+class MFsTreeVisualizer;
+
+/**
+ * CFsTreeControl is a HUI control that handles UI events for the tree list.
+ *
+ * The control is a lightweight class mostly mediating events between other
+ * classes. When receiving an event, the Control checks the event type and
+ * does one of the following actions:
+ * - Ignores the event
+ * - Forwards the event to the MFsTreeVisualizer interface
+ *
+ * @code
+ *
+ * @endcode
+ *
+ * @lib
+ */
+NONSHARABLE_CLASS( CFsTreeControl ): public CAlfControl
+ {
+public: // Construction
+
+ /**
+ * Two-phased constructor
+ *
+ * @param aEnv Reference to the UI toolkit environment
+ * @param aTree Tree data model.
+ * @param aVisualizer Tree's visualizer.
+ */
+ IMPORT_C static CFsTreeControl* NewL( CAlfEnv& aEnv,
+ CFsTree& aTree,
+ MFsTreeVisualizer& aVisualizer );
+
+ /**
+ * C++ destructor
+ */
+ virtual ~CFsTreeControl();
+
+ /**
+ * From CHuiControl
+ * Called when an input event is being offered to the control.
+ *
+ * @param aEvent Event to be handled.
+ *
+ * @return <code>ETrue</code>, if the event was handled.
+ * Otherwise <code>EFalse</code>.
+ */
+ IMPORT_C TBool OfferEventL(const TAlfEvent& aEvent);
+
+ /**
+ * Sets focus state of list component
+ * @param aFocused status of the focus to be set
+ */
+
+ void SetFocused( const TBool aFocused );
+ /**
+ * Returns state of the focus
+ * @return State of the focus
+ */
+
+ TBool IsFocused() const;
+
+ /**
+ */
+ void VisualPrepareDrawFailed(CAlfVisual& aVisual, TInt aErrorCode);
+
+protected:
+ /**
+ * From CAlfControl
+ */
+ void NotifyControlVisibility( TBool aIsVisible, CAlfDisplay& aDisplay );
+
+private: //Construction
+
+ /**
+ * Default C++ constructor.
+ *
+ * @param aEnv Reference to the UI toolkit environment
+ * @param aTree Tree data model.
+ * @param aVisualizer Tree's visualizer.
+ */
+ CFsTreeControl( //CAlfEnv& aEnv,
+ CFsTree& aTree,
+ MFsTreeVisualizer& aVisualizer );
+
+ /**
+ * Second phase constructor.
+ *
+ */
+ void ConstructL( CAlfEnv& aEnv );
+
+ void SetDragEvents(TBool aEnable);
+
+private: // data
+
+ /**
+ * Tree data model.
+ */
+ CFsTree& iTree;
+
+ /**
+ * Tree visualizer.
+ */
+ MFsTreeVisualizer& iTreeVisualizer;
+
+ /*
+ * Determines if list is focused or not
+ */
+ TBool iFocused;
+
+// <cmail> Touch
+ /*
+ * Control getting extra touch events
+ */
+ TBool iGetExtraPointerEvents;
+// </cmail>
+ };
+
+#endif // C_FSTREECONTROL_H
+