menufw/hierarchynavigator/hnpresentationmodel/inc/hnextbmpiconholder.h
changeset 0 f72a12da539e
child 50 137ebc85284b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/hierarchynavigator/hnpresentationmodel/inc/hnextbmpiconholder.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,70 @@
+/*
+* Copyright (c) 2009 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:  
+*
+*/
+
+
+#ifndef MMEXTBMPICONHOLDER_H
+#define MMEXTBMPICONHOLDER_H
+
+#include "hniconholder.h"
+
+class CLiwBitmapBuffer;
+
+/**
+ * This is an extended version of @c CHnIconHolder which holds a CGulIcon that does
+ * not own the bitmaps and CLiwBitmapBuffer objects that do.
+ * 
+ * Such class was needed because some of the bitmaps for icons are obtained from
+ * CLiwBitmapBuffer objects and there is no way to transfer ownership of that
+ * bitmaps from them. It is not possible to make copies of that bitmaps either,
+ * because some of them are not CFbsBitmaps but CAknBitmaps.
+ */
+class CHnExtBmpIconHolder: public CHnIconHolder
+    {
+public:
+    /**
+     * Sets the icon to be stored in this icon holder along with the bitmap buffers.
+     * This method should be called only once. If you want to store another icon
+     * simply call Close() on this icon holder and then create a new icon holder
+     * to store the new icon.
+     * 
+     * @param aGulIcon Icon to store in this icon holder.
+     * @param aBmpBuffer The buffer that owns the primary bitmap.
+     * @param aMaskBuffer The buffer that owns the mask bitmap. 
+     */
+    IMPORT_C void SetGulIcon( CGulIcon* aGulIcon, CLiwBitmapBuffer* aBmpBuffer, CLiwBitmapBuffer* aMaskBuffer );
+    
+    /**
+     * Standard C++ virtual destructor.
+     */
+    virtual ~CHnExtBmpIconHolder();
+
+private: // data
+    
+    /**
+     * Liw bitmap buffer that owns the primary bitmap for the icon.
+     * Co-owns (CLiwBitmapBuffer are ref-counted).
+     */
+    CLiwBitmapBuffer* iBmpBuffer;
+    
+    /**
+     * Liw bitmap buffer that owns the mask bitmap for the icon.
+     * Co-owns (CLiwBitmapBuffer are ref-counted).
+     */
+    CLiwBitmapBuffer* iMaskBuffer;
+    };
+
+#endif // MMEXTBMPICONHOLDER_H