--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/inc/alf/alfreferencetovisual.h	Thu Dec 17 08:56:02 2009 +0200
@@ -0,0 +1,116 @@
+/*
+* 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:  Visual class for alfred widget model.
+      This class queries the visual by name and ID.
+*
+*/
+
+
+#ifndef ALFREFERENCETOVISUAL_H
+#define ALFREFERENCETOVISUAL_H
+
+//INCLUDES
+#include <osn/osndefines.h>
+#include <osn/ustring.h>
+// FORWARD DECLARATIONS
+class CAlfControl;
+class CAlfVisual;
+
+
+using namespace osncore;
+
+namespace Alf
+    {
+class CAlfWidgetControl;
+
+/** @class AlfReferenceToVisual alfreferencetovisual.h "alf/alfreferencetovisual.h"
+ * A class for finding a specific visual according to
+ * the name of the visual, name of the parent element,
+ * and the associated data ID. The number of visual
+ * trees created by an element may depend on the data.
+ * Therefore, the visual structure is not always known
+ * beforehand. CAlfControl::FindElement() and MAlfElement::FindVisual
+ * can be used to find elements and visuals even in dynamic
+ * conditions.
+ *
+ *  @lib alfwidgetmodel.lib
+ *  @since S60 ?S60_version
+ *  @status Draft
+ */
+class AlfReferenceToVisual
+    {
+public:
+
+    /**
+     * constructor.
+     *
+	 * @exception std::bad_alloc     
+     * @since S60 ?S60_version
+     * @param aElementName The name of the element that is responsible
+    *      for creating the visual.
+     * @param aVisualName The name of the visual.
+     * @param aUseDataID Deprecated and not used. The given data ID is always
+     * used when resolving the visual. Only if the visual is not found with
+     * the given data ID, then the data ID zero is tested for global visuals.
+     * @return New object.
+     */
+    OSN_IMPORT static AlfReferenceToVisual* create(
+        const char* aElementName,const char* aVisualName, bool aUseDataID);
+
+    /** Destructor. No derived classes, therefore not virtual. */
+    OSN_IMPORT ~AlfReferenceToVisual();
+
+
+    /**
+     * Find the referenced visual according to the given data ID.
+     *
+     * @exception osncore::AlfVisualException Thrown with the error code osncore::ECommonError\n 
+     *										  when some operation performed on visual fails.
+     * @since S60 ?S60_version
+     * @param aControl  The control containing the associated element.
+     * @param aDataID  The data ID used to create the visual. The caller
+     *      is responsible for determining what data ID
+     *      is related to this reference. If the visual is not found with
+     * the given data ID, then the data ID zero is tried for global visuals.
+     * @return The resolved visual.
+     */
+    OSN_IMPORT CAlfVisual* resolve(CAlfWidgetControl& aControl, unsigned int aDataID);
+
+    /**
+     * Finds the referenced visual according to given pointer to visual
+     *
+        * @since S60 ?S60_version
+        * @param aControl      The control containing the associated element.
+        * @param aSourceVisual  Pointer to visual that needs to be queried.
+        */
+    OSN_IMPORT CAlfVisual* resolve(CAlfWidgetControl &aControl, CAlfVisual* aSourceVisual);
+private:
+    /**
+     * constructor
+     */
+    AlfReferenceToVisual(const char* aElementName,const char* aVisualName, bool aUseDataID);
+
+private:
+    // The element name. Owned.
+    UString mElementName;
+    // The visual name. Owned.
+    UString mVisualName;
+    // The associated data ID.
+    bool mUseDataID;
+    };
+
+    } // namespace Alf
+
+#endif //ALFREFERENCETOVISUAL_H
+