--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/uicomponents/inc/fstreerichitemvisualizer.h Thu Dec 17 08:39:21 2009 +0200
@@ -0,0 +1,218 @@
+/*
+* 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 data items with rich text.
+*
+*/
+
+
+
+#ifndef C_FSTREERICHITEMVISUALIZER_H
+#define C_FSTREERICHITEMVISUALIZER_H
+
+
+#include <e32base.h>
+//<cmail> removed __FS_ALFRED_SUPPORT flag
+//#include <fsconfig.h>
+//</cmail> removed __FS_ALFRED_SUPPORT flag
+
+
+#include "fstreeitemvisualizerbase.h"
+
+class CAlfControl;
+class CAlfLayout;
+class CAlfTexture;
+class CAlfFlowLayout;
+class CAlfViewportLayout;
+class CAlfTextVisual;
+class CAlfImageVisual;
+
+
+class CFsTreeRichItemData;
+class CFsTreeList;
+class CFsTextStyleManager;
+class CFsLayoutManager;
+
+/**
+ * CFsTreeRichItemVisualizer is a visualizer for data items with rich text.
+ *
+ * Thic class is a concrete implementation for the MFsTreeItemVisualizer
+ * interface. It provides visualization for data items with rich text.
+ *
+ * @code
+ *
+ * @endcode
+ *
+ * @lib
+ */
+NONSHARABLE_CLASS( CFsTreeRichItemVisualizer )
+ : public CFsTreeItemVisualizerBase
+ {
+
+public:
+
+ /**
+ * Two-phased constructor
+ *
+ * @param aOwnerControl Owner control.
+ * @param aTextStyleManager Text style manager.
+ */
+ IMPORT_C static CFsTreeRichItemVisualizer* NewL(
+ CAlfControl& aOwnerControl, CFsAlfTextStyleManager& aTextStyleManager );
+
+ /**
+ * Destructor.
+ */
+ virtual ~CFsTreeRichItemVisualizer();
+
+ /**
+ * Returns the type of the item's visualizer.
+ */
+ virtual TFsTreeItemVisualizerType Type() const;
+
+ /**
+ * Create a visual based on the text object.
+ *
+ * @param aOwnerControl Owner control.
+ * @param aParentLayout Layout for the text.
+ * @param aText Contains the text.
+ * @param aSize Size where to fit the text.
+ */
+ CAlfFlowLayout* CreateTextLineL( CAlfControl& aOwnerControl,
+ CAlfLayout* aParentLayout, const CFsTreeRichItemData* aText,
+ TSize aSize );
+
+ /**
+ * Create a font style.
+ *
+ * @param charFormat Contains character format attributes.
+ */
+ TInt CreateStyleL( TCharFormat& charFormat );
+
+// from base class MFsTreeItemVisualizer
+
+ /**
+ * From MFsTreeItemVisualizer.
+ * A call to this function means that the item is requested to 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 );
+
+ /**
+ * From MFsTreeItemVisualizer.
+ * 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 item goes out of the visible
+ * items scope. 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.
+ * @param aTextStyleManager Text style manager.
+ */
+ CFsTreeRichItemVisualizer(
+ CAlfControl& aOwnerControl, CFsAlfTextStyleManager& aTextStyleManager );
+
+ /**
+ * Second phase constructor
+ *
+ */
+ void ConstructL( );
+
+private:
+
+ /**
+ * Updates the layout metrics using layout manager that was set by
+ * tree visualizer.
+ */
+ virtual void UpdateLayout(
+ const CFsTreeRichItemData* aData,
+ const TInt aIndentation );
+
+private:
+
+ /**
+ * Layout for the richtext.
+ * Own.
+ */
+ CAlfFlowLayout* iTextLayout;
+
+ /**
+ * Viewport layouut containing text visual. Used for text marquee.
+ * Own.
+ */
+ CAlfViewportLayout* iViewportLayout;
+
+ /**
+ * Text visual.
+ * Own.
+ */
+ CAlfTextVisual* iTextVisual;
+
+ /**
+ * Visual for an icon.
+ */
+ CAlfImageVisual* iIconVisual;
+
+ /**
+ * Visual for a mark icon.
+ */
+ CAlfImageVisual* iIconMarked;
+
+ /**
+ * Visual for a menu icon.
+ */
+ CAlfImageVisual* iIconMenu;
+
+ };
+
+
+#endif // C_FSTREERICHITEMVISUALIZER_H