--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/inc/fstreeplainrootvisualizer.h	Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,163 @@
+/*
+* 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:  A visualizer for empty tree root's data.
+*
+*/
+
+
+#ifndef FSTREEPLAINROOTVISUALIZER_H_
+#define FSTREEPLAINROOTVISUALIZER_H_
+
+
+#include <e32base.h>
+//<cmail> removed __FS_ALFRED_SUPPORT flag
+//#include <fsconfig.h>
+//</cmail> removed __FS_ALFRED_SUPPORT flag
+
+#include "fstreenodevisualizerbase.h"
+
+class CAlfTextVisual;
+
+class MFsTreeItemData;
+class CFsTreeList;
+class CFsLayoutManager;
+
+/**
+ * CFsTreePlainRootVisualizer is a visualizer for the empty tree root's data.
+ *
+ * Thic class is a concrete implementation for the MFsTreeNodeVisualizer 
+ * interface. It provides visualization for the empty tree root's data. This 
+ * visualizer is used when the list is empty. The list may for example display
+ * "empty" text then.
+ * 
+ * @code
+ *
+ * @endcode
+ *
+ * @lib 
+ */
+NONSHARABLE_CLASS( CFsTreePlainRootVisualizer ): 
+                                            public CFsTreeNodeVisualizerBase
+    {
+public:
+
+    /**
+     * Two-phased constructor
+     * 
+     * @param aOwnerControl Owner control.
+     */
+    IMPORT_C static CFsTreePlainRootVisualizer* NewL( 
+                                                  CAlfControl& aOwnerControl);
+    
+    /**
+    * C++ destructor
+    */
+    virtual ~CFsTreePlainRootVisualizer();
+    
+    
+    /**
+     * Returns the type of the item's visualizer.
+     */
+    virtual TFsTreeItemVisualizerType Type() const;
+
+
+public: // from base class MFsTreeItemVisualizer
+
+    
+    /**
+     * From MFsTreeItemVisualizer.
+     * A call to this function means that the visualization of empty root 
+     * becomes visible and should draw itself within specified parent layout. 
+     * Data to be visualized is passed as an argument. 
+     * 
+     * Parameter descriptions will be added when the final function prototype
+     * is ready.
+     */
+    virtual void ShowL( CAlfLayout& aParentLayout,
+            const TUint aTimeout = 0 );
+
+    /**
+    * A call to this function means that the item is requested to update its
+    * visual content.
+    */
+    virtual void UpdateL( const MFsTreeItemData& aData,
+                  TBool aFocused,
+                  const TUint aLevel,
+                  CAlfTexture*& aMarkIcon,
+                  CAlfTexture*& aMenuIcon,                
+                  const TUint aTimeout = 0,
+                  TBool aUpdateData = ETrue);
+    
+    /**
+     * From MFsTreeItemVisualizer.
+     * A call to this function means that the the empty root visualization 
+     * should become hidden.The visualizer should destroy all its visuals to 
+     * save memory.
+     */
+    virtual void Hide( const TInt aTimeout = 0 );
+    
+    /**
+     * From MFsTreeItemVisualizer.
+     * This method marquees the text in tree item if it is too long.
+     * 
+     * @param aMarqueeType Type of marquee.
+     * @param aMarqueeSpeed Speed of marquee in pixels per second.
+     * @param aMarqueeStartDelay Marquee's start delay in miliseconds.
+     * @param aMarqueeCycleStartDelay Marquee cycle's start delay.
+     * @param aMarqueeRepetitions Number of marquee's cycles.
+     */
+    virtual void MarqueeL(const TFsTextMarqueeType aMarqueeType,
+                          const TUint aMarqueeSpeed,
+                          const TInt aMarqueeStartDelay,
+                          const TInt aMarqueeCycleStartDelay,
+                          const TInt aMarqueeRepetitions);
+
+
+protected:
+
+    /**
+     * C++ constructor
+     * 
+     * @param aOwnerControl Owner control.
+     */
+    CFsTreePlainRootVisualizer( CAlfControl& aOwnerControl );
+    
+    /**
+     * Second phase constructor
+     *
+     */
+    void ConstructL( );
+    
+private:
+    
+    /**
+     * Updates the layout metrics using layout manager that was set by 
+     * tree visualizer. 
+     * 
+     * @param aLayoutManager Reference to the layout manager.
+     */
+    virtual void UpdateLayout( );
+
+private: // member data
+    
+    
+    /**
+     * Text visual.
+     * Own.
+     */
+    CAlfTextVisual* iTextVisual;  
+
+    };
+
+#endif /*FSTREEPLAINROOTVISUALIZER_H_*/