--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/menufw/hierarchynavigator/hnpresentationmodel/inc/hnattrimgprovider.h Wed Sep 01 12:32:46 2010 +0100
@@ -0,0 +1,147 @@
+/*
+* Copyright (c) 2007-2008 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: base class for all image providers
+*
+*/
+
+
+
+#ifndef C_HNATTRIMGPROVIDER_H
+#define C_HNATTRIMGPROVIDER_H
+
+#include <e32base.h>
+#include <gulicon.h>
+#include <AknUtils.h>
+#include "SVGRequestObserver.h"
+#include "hniconholder.h"
+
+
+/**
+ * Allows for removing an item from a cleanup stack without using
+ * CleanupStack::Pop().
+ * This is useful when an item must be removed from the cleanup stack
+ * but it is not possible to use Pop() because some other items have
+ * been pushed onto cleanup stack after that item.
+ */
+NONSHARABLE_CLASS( TDismissableCleaner )
+ {
+public:
+ /**
+ * Constructor.
+ *
+ * @param aToBeDeletedOnLeave pointer to a memory to be freed on leave.
+ */
+ TDismissableCleaner( TAny* aToBeDeletedOnLeave );
+
+ /**
+ * The Close method - to be called during the cleanup process.
+ * It simply deletes the object passed as parameter to constructor
+ * unless Dismiss() has been called.
+ */
+ void Close();
+
+ /**
+ * Dismiss the deletion.
+ * Call this method to prevent the memory freeing on leave.
+ * This is an equivalent of removing item from cleanup stack with Pop().
+ */
+ void Dismiss();
+private:
+ /**
+ * Pointer to memory to be deleted on leave.
+ * Not own.
+ */
+ TAny* mToBeDeletedOnLeave;
+ };
+
+/**
+ * Image provider class interface.
+ * Interface for attribute image classes. Provides methods
+ * for obtainnig values and icons.
+ *
+ * @lib hnpresentationmodel
+ * @since S60 5.0
+ * @ingroup group_hnpresentationmodel
+ */
+NONSHARABLE_CLASS( CHnAttrImgProvider ) : public CBase
+ {
+
+public:
+
+ /**
+ * Standard destructor.
+ *
+ * @since S60 5.0
+ */
+ ~CHnAttrImgProvider();
+
+ /**
+ * Gets icon.
+ *
+ * @since S60 5.0
+ * @param aDesiredSize Desired size of the icon.
+ * @return Icon as a CGulIcon pointer.
+ */
+ virtual CGulIcon* GetIcon( TSize* aDesiredIconSize );
+
+ /**
+ * Gets icon holder which contains the icon that GetIcon returns.
+ *
+ * @param aDesiredSize Desired size of the icon.
+ * @return icon hoder that contains the icon (may return NULL).
+ */
+ virtual CHnIconHolder* GetIconHolder( TSize* aDesiredIconSize );
+
+ /**
+ * Removes all LIW objects owned by this object.
+ *
+ * LIW objects owned by non-LIW objects that are owned by
+ * this object are also removed.
+ * @since S60 5.0
+ */
+ virtual void RemoveLiwObjects();
+
+protected:
+
+ /**
+ * Standard constructor.
+ *
+ * @since S60 5.0
+ */
+ CHnAttrImgProvider();
+
+ /**
+ * Creates icon.
+ *
+ * @since S60 5.0
+ * @param aBitmap bitmap
+ * @param aMask mask
+ */
+ void CreateIconL( CFbsBitmap* aBitmap, CFbsBitmap* aMask );
+
+
+protected:
+
+ /**
+ * Icon holder - the object that owns the CGulIcon that this
+ * provider creates.
+ * Co-own(CHnIconHolder is ref-counted).
+ */
+ CHnIconHolder* iIconHolder;
+
+ };
+
+
+#endif // C_HNATTRIMGPROVIDER_H
+