--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/photosgallery/viewframework/commandhandlers/commandhandlerbase/inc/glxcommandhandler.h	Wed Sep 01 12:33:26 2010 +0100
@@ -0,0 +1,117 @@
+/*
+* Copyright (c) 2006-2006 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:    Command Handler Base
+*
+*/
+
+
+
+
+#ifndef __C_GLXCOMMANDHANDLER_H__
+#define __C_GLXCOMMANDHANDLER_H__
+
+#include <e32base.h>
+#include <coedef.h>
+#include <w32std.h>
+#include <mpxattribute.h>
+
+class CEikMenuPane;
+
+
+/**
+ * CGlxCommandHandler
+ * 
+ * Command handler base
+ */
+class CGlxCommandHandler: public CBase
+	{
+public:
+
+	IMPORT_C CGlxCommandHandler( TBool aHasToolbarItem = EFalse );	
+	
+	/**
+	 * Execute the command, if applicable
+	 * @param aCommand The command to handle
+	 * @return ETrue iff command was handled
+	 */
+	virtual TBool ExecuteL(TInt aCommand) = 0;
+	
+	/**
+	 * Modify a menu before it is displayed.
+	 * @param aResourceId The resource ID of the menu
+	 * @param aMenuPane The in-memory representation of the menu pane
+ 	 * @param aIsBrowseMode ETrue if in grid view
+	 */
+	virtual void DynInitMenuPaneL(TInt aResourceId, CEikMenuPane* aMenuPane,
+                                   TBool aIsBrowseMode) = 0;
+
+	/**
+	 * Called when the owning view is activated
+	 * @param aViewId The ID of the view
+	 */
+	IMPORT_C void ActivateL(TInt aViewId);	
+
+	/**
+	 * Called when the owning view is deactivated
+	 */
+	virtual void Deactivate() = 0;
+	
+	/**
+	 * Offers key events to the command handler
+	 * @param aKeyEvent The key event. 
+	 * @param aType The type of key event: EEventKey, EEventKeyUp or EEventKeyDown
+	 * @return Indicates whether or not the key event was used by this control. EKeyWasNotConsumed or EKeyWasConsumed
+	 */
+	virtual TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType) = 0;
+
+	/**
+	 * Perform any actions needed before the options menu is displayed.
+	 * The view calling this must first arrange a wait dialog to be displayed, as this operation may take
+	 * a long time to complete
+     * @param aResourceId Menu resource id
+	 */
+	virtual void PreDynInitMenuPaneL( TInt aResourceId ) = 0;
+	
+	/**
+	 * Deriving classes should append required attributes to aAttributes
+	 * @param aAttributes array to append attributes to.
+	 * @param aFilterUsingSelection If ETrue, the deriving class should only append
+	 *        attributes relevant to the current selection, If EFalse all attributes
+	 *        should be appended.
+	 * @param aFilterUsingCommandId If ETrue, only attributes relevant
+	 *        to the command id specified by aCommandId will be appended
+	 * @param aCommandId if aFilterUsingCommandId is ETrue, only
+	 *        attributes relevant to aCommandId will be appened.
+	 */
+    virtual void GetRequiredAttributesL(RArray< TMPXAttribute >& aAttributes, 
+    		                            TBool aFilterUsingSelection,
+    		                            TBool aFilterUsingCommandId,
+    		                            TInt aCommandId = 0) const = 0;
+    
+    /**
+	 * Destructor
+	 */
+	IMPORT_C virtual ~CGlxCommandHandler();
+	
+protected:
+	IMPORT_C virtual void DoActivateL(TInt aViewId);
+	IMPORT_C virtual void PopulateToolbarL();
+    
+private:
+	/** Whether the command should be enabled as a toolbar command*/
+	TBool iHasToolbarItem;    
+	};
+	
+
+#endif // __C_GLXCOMMANDHANDLER_H__