photosgallery/slideshow/engine/coresrc/shwthumbnailloader.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 21 Jun 2010 15:40:32 +0300
branchRCL_3
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Revision: 201023 Kit: 2010125
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/*
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    Utility that contains HUI related slideshow code
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 *
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*/
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// INCLUDES
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#include "shwthumbnailloader.h"
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// DEPENDENCIES
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#include <mpxattributespecs.h>
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#include <mpxmediadrmdefs.h>
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#include <glxlog.h>
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#include <glxtracer.h>
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#include <glxmedialistiterator.h>
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#include <mglxmedialistobserver.h>
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#include <mglxmedialist.h>
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#include <glxthumbnailcontext.h>
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#include <glxattributecontext.h>
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#include <glxmediageneraldefs.h>
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#include <glxattributeretriever.h>
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#include "shwslideshowenginepanic.h"
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#include "shwthumbnailcontext.h"
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#include "shwcallback.h"
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#include "shwconstants.h"   // for context priorities
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using namespace NShwSlideshow;
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/**
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 * CShwThumbnailLoaderImpl
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 * Implementation dependencies for the thumbnail loading
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 */
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NONSHARABLE_CLASS( CShwThumbnailLoader::CShwThumbnailLoaderImpl )
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	: public CBase,
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	public MGlxMediaListObserver
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	{
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	public:
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		/**
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		 * Constructor
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		 * inlined as only ever called inside this cpp
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		 * @param aMedialist the media list
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		 */
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		inline CShwThumbnailLoaderImpl( 
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			MGlxMediaList& aMedialist, 
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			MShwThumbnailLoadObserver& aErrorHandler );
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		/**
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		 * Destructor. 
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		 * inlined as only ever called inside this cpp
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		 */
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		inline ~CShwThumbnailLoaderImpl();
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		/**
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		 * 2nd phase constructor
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		 * inlined as only ever called inside this cpp
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		 */
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		inline void ConstructL();
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		/** 
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		 * @ref CShwThumbnailLoader::LoadAndNotifyL
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		 * inlined as only ever called inside this cpp
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		 */
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		inline void LoadAndNotifyL( TInt aIndex, TSize aSize );
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		/** 
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		 * @ref CShwThumbnailLoader::Unload
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		 * inlined as only ever called inside this cpp
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		 */
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		inline void Unload( TInt aIndex );
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		/** 
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		 * @ref CShwThumbnailLoader::ImageSizeL
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		 * inlined as only ever called inside this cpp
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		 */
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		inline TSize ImageSizeL( TInt aIndex );
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	public: // from MGlxMediaListObserver
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		/// @ref MGlxMediaListObserver::HandleItemAddedL
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		void HandleItemAddedL( 
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			TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList );
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		/// @ref MGlxMediaListObserver::HandleMediaL
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		void HandleMediaL( 
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			TInt aListIndex, MGlxMediaList* aList );
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		/// @ref MGlxMediaListObserver::HandleItemRemovedL
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		void HandleItemRemovedL( 
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			TInt aStartIndex, TInt aEndIndex, MGlxMediaList* aList );
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		/// @ref MGlxMediaListObserver::HandleItemModifiedL
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		void HandleItemModifiedL( 
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			const RArray<TInt>& aItemIndexes, MGlxMediaList* aList );	
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		/// @ref MGlxMediaListObserver::HandleAttributesAvailableL
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		void HandleAttributesAvailableL(
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			TInt aItemIndex, 
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			const RArray<TMPXAttribute>& aAttributes, 
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			MGlxMediaList* aList );
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		/// @ref MGlxMediaListObserver::HandleFocusChangedL
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		void HandleFocusChangedL( 
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			NGlxListDefs::TFocusChangeType aType, 
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			TInt aNewIndex, 
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			TInt aOldIndex, 
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			MGlxMediaList* aList );
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		/// @ref MGlxMediaListObserver::HandleItemSelectedL
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		void HandleItemSelectedL( 
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			TInt aIndex, TBool aSelected, MGlxMediaList* aList );
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		/// @ref MGlxMediaListObserver::HandleMessageL
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		void HandleMessageL( 
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			const CMPXMessage& aMessage, MGlxMediaList* aList );
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		/// @ref MGlxMediaListObserver::HandleError
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		void HandleError( TInt aError );
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	private: // Implementation
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        // implementation of the error handler
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        inline void DoHandleErrorL();
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		// Helper functions to find an element in the array given an index
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		// used in three places, load, unload and handleattributes available
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		// @param the index of the element to find
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		// @return the index of the element in the array, KErrNotFound otherwise
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		inline TInt Find( TInt aIndex );		
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		// @return the context if found, NULL otherwise
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		inline CShwThumbnailContext* FindContext( TInt aIndex );
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		// Helper function to create the size context
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		inline void AddSizeContextL();
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        /// Helper function to notify client of successfull or failed thumbnail load
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        inline void NofifyClientIfInterestedL( TInt aIndex, TBool aSuccess );
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		// Helper function to remove high quality context from given index
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		inline void RemoveHighQualityContext( TInt aIndex );
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	public: // TCallBack API
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		// Helper function to notify thumbnail completion asynchronously
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		inline TInt CompletedNotifyL();
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		// Helper function to notify thumbnail failure asynchronously
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		inline TInt ErrorNotifyL();
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		// Helper function to handle the error
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		inline TInt AsyncErrorHandleL();
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	private:	// Implementation & Data
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		/// Ref: the media list
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		MGlxMediaList& iMedialist;
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		/// Ref: the error handler
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		MShwThumbnailLoadObserver& iThumbnailObserver;
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		/// Own: the array for the thumbnail notifications
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		RArray< TInt > iNotificationIndexes;
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		/// Own: the array for already completed indexes
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		RArray< TInt > iCompletedIndexes;
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		/// Own: the array for already faulty indexes
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		RArray< TInt > iErrorIndexes;
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		/// Own: the array of high quality contexts
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		RPointerArray< CShwThumbnailContext > iHighQualityContexts;
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		/// Own: the size context
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		CGlxDefaultAttributeContext* iSizeContext;
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		/// Own: async callback needed in case image is already loaded
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		CAsyncCallBack* iCompletedCallBack;
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		/// Own: async callback needed in case image had already an error
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		CAsyncCallBack* iErrorCallBack;
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		/// Own: async callback for showing the out of memory system dialog
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		CAsyncCallBack* iErrorHandlerCallBack;
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		/// Own: the error code
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		TInt iError;
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	};
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// -----------------------------------------------------------------------------
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// C++ Constructor. Save a few bits of rom with inlining
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// -----------------------------------------------------------------------------
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inline CShwThumbnailLoader::CShwThumbnailLoader()
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	{
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	}
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// -----------------------------------------------------------------------------
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// NewL. Static construction
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// -----------------------------------------------------------------------------
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CShwThumbnailLoader* CShwThumbnailLoader::NewL(
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	MGlxMediaList& aMedialist, MShwThumbnailLoadObserver& aErrorHandler )
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	{
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	TRACER("CShwThumbnailLoader::NewLs");
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	CShwThumbnailLoader* self = new( ELeave ) CShwThumbnailLoader;
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	CleanupStack::PushL( self );
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// 2nd phase >>
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	// create implementation
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	self->iImpl = 
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		new( ELeave ) CShwThumbnailLoaderImpl( aMedialist, aErrorHandler );
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	// call 2nd phase
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	self->iImpl->ConstructL();
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// << 2nd phase
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	// pop the stack
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	CleanupStack::Pop( self );
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	return self;
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	}
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// -----------------------------------------------------------------------------
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// Destructor
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// -----------------------------------------------------------------------------
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CShwThumbnailLoader::~CShwThumbnailLoader()
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	{
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	TRACER("CShwThumbnailLoader::~CShwThumbnailLoader");
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	delete iImpl;
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	}
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// -----------------------------------------------------------------------------
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// LoadThumbnailAndNotifyL.
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// -----------------------------------------------------------------------------
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void CShwThumbnailLoader::LoadAndNotifyL( TInt aIndex, TSize aSize )
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	{
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	TRACER("CShwThumbnailLoader::LoadAndNotifyL");
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	// forward
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	iImpl->LoadAndNotifyL( aIndex, aSize );
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	}
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// -----------------------------------------------------------------------------
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// Unload.
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// -----------------------------------------------------------------------------
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void CShwThumbnailLoader::Unload( TInt aIndex )
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	{
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	TRACER("CShwThumbnailLoader::Unload");
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	// forward
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	iImpl->Unload( aIndex );
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	}
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// -----------------------------------------------------------------------------
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// CShwThumbnailLoaderImpl::ImageSizeL.
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// -----------------------------------------------------------------------------
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TSize CShwThumbnailLoader::ImageSizeL( TInt aIndex )
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	{
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	TRACER("CShwThumbnailLoader::ImageSizeL");
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	// forward
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	return iImpl->ImageSizeL( aIndex );
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	}
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// -----------------------------------------------------------------------------
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// CShwThumbnailLoaderImpl::C++ Constructor. Save a few bits of rom with inlining
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// -----------------------------------------------------------------------------
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inline CShwThumbnailLoader::CShwThumbnailLoaderImpl::CShwThumbnailLoaderImpl(
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	MGlxMediaList& aMedialist, MShwThumbnailLoadObserver& aErrorHandler )
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	: iMedialist( aMedialist ),
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	iThumbnailObserver( aErrorHandler )
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	{
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	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::CShwThumbnailLoaderImpl()");
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	}
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// -----------------------------------------------------------------------------
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// CShwThumbnailLoaderImpl::Destructor.
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// -----------------------------------------------------------------------------
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inline CShwThumbnailLoader::CShwThumbnailLoaderImpl::~CShwThumbnailLoaderImpl()
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    {
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    TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::~CShwThumbnailLoaderImpl()");
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    // delete asynch callbacks, delete also cancels them
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    delete iCompletedCallBack;
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    delete iErrorCallBack;
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    delete iErrorHandlerCallBack;
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    // size context, remove NULL does nothing
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    iMedialist.RemoveContext( iSizeContext );
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    delete iSizeContext;
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    // Remove all contexts from the media list
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    TInt count = iHighQualityContexts.Count();
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    while ( count-- > 0 )
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        {
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        // get the fetch context so that we can remove it from the media list
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        MGlxFetchContext* context = iHighQualityContexts[ count ]->Context();
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        // high quality context, remove NULL does nothing
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        iMedialist.RemoveContext( context );
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        };
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    // delete the contexts array, this deletes the CShwThumbnailContexts
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    iHighQualityContexts.ResetAndDestroy();
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   288
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    // remove us from media list observers
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    iMedialist.RemoveMediaListObserver( this );
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   291
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    // close notification indexes array
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    iNotificationIndexes.Close();
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    // close also the already completed indexes array
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    iCompletedIndexes.Close();
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    // close also the errornous indexes array
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    iErrorIndexes.Close();
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    }
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   299
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// -----------------------------------------------------------------------------
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// CShwThumbnailLoaderImpl::ConstructL
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// -----------------------------------------------------------------------------
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inline void CShwThumbnailLoader::CShwThumbnailLoaderImpl::ConstructL()
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    {
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    TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::ConstructL");
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    // retrieve the size of images with own context
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    AddSizeContextL();
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   308
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    // add us as media list observer
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    iMedialist.AddMediaListObserverL( this );
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   311
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    // create async callback object to give 
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    // callbacks once scheduler runs, give this high priority so that it 
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    // is faster than the timers we have
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    iCompletedCallBack = new( ELeave ) CAsyncCallBack( CActive::EPriorityHigh );
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    // set the callback
25
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    iCompletedCallBack->Set(TShwCallBack<CShwThumbnailLoaderImpl,
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            &CShwThumbnailLoaderImpl::CompletedNotifyL> (this));
0
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   319
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    // create async callback to give error callbacks once scheduler runs
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   321
    iErrorCallBack = new( ELeave ) CAsyncCallBack( CActive::EPriorityHigh );
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    // set the callback
25
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   323
    iErrorCallBack->Set(TShwCallBack<CShwThumbnailLoaderImpl,
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            &CShwThumbnailLoaderImpl::ErrorNotifyL> (this));
0
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   325
        
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   326
    // create async callback to give callback once we run onto errors
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   327
    iErrorHandlerCallBack = new( ELeave ) CAsyncCallBack( CActive::EPriorityHigh );
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    // set the callback
25
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   329
    iErrorHandlerCallBack->Set(TShwCallBack<CShwThumbnailLoaderImpl,
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            &CShwThumbnailLoaderImpl::AsyncErrorHandleL> (this));
0
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   331
    }
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   332
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   333
// -----------------------------------------------------------------------------
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   334
// CShwThumbnailLoaderImpl::ImageSizeL.
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
inline TSize CShwThumbnailLoader::CShwThumbnailLoaderImpl::ImageSizeL( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
	TInt aIndex )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
    TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::ImageSizeL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
    GLX_LOG_INFO1( "CShwThumbnailLoader::ImageSizeL for index %d", aIndex );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
	// default to KErrNotFound
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
	TSize size( KErrNotFound, KErrNotFound );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
    // get the media item
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
    TGlxMedia item = iMedialist.Item( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
    // get its dimensions, if they are not available, size is not modified
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
    // if size is not available, GetDimensions returns EFalse
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
    if( !item.GetDimensions( size ) )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
        {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
        // size was not available so try to fetch it with attribute retriever
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
        (void)GlxAttributeRetriever::RetrieveL(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
            *iSizeContext, iMedialist, 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
            EFalse /*aShowDialog*/ );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
        // get the media item again since its just a copy and the old one
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
        // might not have had the CGlxMedia* set
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
        item = iMedialist.Item( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
        // cast to (void) tells the compiler we ignore
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
        // the fetcher error as there is nothing to do if the fetch fails
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
        // in that case the size will be (KErrNotFound,KErrNotFound)
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
        // try getting the dimensions again
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
        (void)item.GetDimensions( size );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
        }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
    GLX_LOG_INFO2( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
        "CShwThumbnailLoader::ImageSizeL (%d,%d)", size.iWidth, size.iHeight );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
    return size;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
// CShwThumbnailLoaderImpl::LoadAndNotifyL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
inline void CShwThumbnailLoader::CShwThumbnailLoaderImpl::LoadAndNotifyL( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
	TInt aIndex, TSize aSize )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::LoadAndNotifyL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
	GLX_LOG_INFO1( "CShwThumbnailLoader::LoadAndNotifyL %d", aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
	// check whether a context already exists for this index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
	CShwThumbnailContext* context = FindContext( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
	if( !context )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
		{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
		// create new context for the index with the given size
47
f9e827349359 Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 25
diff changeset
   385
		context = CShwThumbnailContext::NewLC( aIndex, aSize, iMedialist );
0
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
		iHighQualityContexts.AppendL( context );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
		CleanupStack::Pop( context );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
		// add the context to the medialist with priority
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
		iMedialist.AddContextL( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
			context->Context(), KHighQualityContextPriority );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
    // add the index to notifications array so that we know to give 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
    // either success or error notification once for the request
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
	// Note that we can have multiple requests for same index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
	iNotificationIndexes.InsertInOrderAllowRepeatsL( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
	// need to check if the thumbnail is already loaded
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
	// when request count is zero (KErrNone) the thumbnail is fully loaded
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
	TInt requestCount = context->RequestCountL( &iMedialist );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
	if( requestCount == KErrNone )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
		{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
		// thumbnail is already there
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
		// we cant give the callback right away as the client is expecting
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
		// this method to be always asynchronous
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
		GLX_LOG_INFO1( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
			"CShwThumbnailLoader::Thumbnail already loaded %d", aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
    	// insert index to completed array
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
    	// Note that we can have multiple requests for same index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
    	iCompletedIndexes.InsertInOrderAllowRepeatsL( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
		// cancel the old callback
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
		iCompletedCallBack->Cancel();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
		// make the callback
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
		iCompletedCallBack->CallBack();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
	else if ( requestCount < KErrNone )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
		{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
		// thumbnail had already and error
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
		GLX_LOG_INFO2( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
			"CShwThumbnailLoader::Thumbnail error %d at index, %d", 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
			    requestCount, aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
		// we cant give the callback right away as the client is expecting
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
		// this method to be always asynchronous
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
    	// Note that we can have multiple requests for same index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
    	iErrorIndexes.InsertInOrderAllowRepeatsL( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
		// cancel the old callback
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
		iErrorCallBack->Cancel();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
		// make the callback
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
		iErrorCallBack->CallBack();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
// CShwThumbnailLoaderImpl::Unload
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
inline void CShwThumbnailLoader::CShwThumbnailLoaderImpl::Unload( TInt aIndex )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::Unload");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
	GLX_LOG_INFO1( "CShwThumbnailLoader::Unload %d", aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
    
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
    // client is no longer interested on this indes so remove it from the
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
    // notifications
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
	TInt index;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
	while( ( index = iNotificationIndexes.Find( aIndex ) ) != KErrNotFound )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
		{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
		// remove the index from array
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
		iNotificationIndexes.Remove( index );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
    // remove context for this index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
    RemoveHighQualityContext( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
// CShwThumbnailLoaderImpl::HandleItemAddedL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleItemAddedL(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
	TInt /*aStartIndex*/, TInt /*aEndIndex*/, MGlxMediaList* /*aList*/ )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
// CShwThumbnailLoaderImpl::HandleMediaL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleMediaL(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
	TInt /*aListIndex*/, MGlxMediaList* /*aList*/ )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
// CShwThumbnailLoaderImpl::HandleItemRemovedL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleItemRemovedL(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
	TInt /*aStartIndex*/, TInt /*aEndIndex*/, MGlxMediaList* /*aList*/ )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleItemRemovedL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
	// check if we still got some items to show
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
	if( iMedialist.Count() < 1 )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
	    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
		// the media list is empty so call our error handler
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
		iThumbnailObserver.HandleMediaListEmpty();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
	    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
// CShwThumbnailLoaderImpl::HandleItemModifiedL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleItemModifiedL( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
	const RArray<TInt>& /*aItemIndexes*/, MGlxMediaList* /*aList*/ )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
// CShwThumbnailLoaderImpl::HandleAttributesAvailableL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleAttributesAvailableL(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
	TInt aItemIndex, const RArray<TMPXAttribute>& aAttributes/**/, 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
	MGlxMediaList* /*aList*/ )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleAttributesAvailableL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
	//done to verify context availability
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
	TInt attributeCount = aAttributes.Count();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
	for(TInt i = 0; i < attributeCount; i++ )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
		{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
		TMPXAttribute attr = aAttributes[i];	
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
		
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
	GLX_LOG_INFO1( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
	    "CShwThumbnailLoader::HandleAttributesAvailableL %d", aItemIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
	// check if the thumbnail was fully loaded, first find the related context
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
	CShwThumbnailContext* context = FindContext( aItemIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
	if( context )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
		{
18
bcb43dc84c44 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   513
		// Check if there was an error
0
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
		TInt requestCount = context->RequestCountL( &iMedialist );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
		if ( requestCount == KErrNone )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
			{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
			// no error, notify client
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
			GLX_LOG_INFO1( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
				"CShwThumbnailLoader::Thumbnail loaded %d", aItemIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
			// notidy client of success if it is interested on this index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
			NofifyClientIfInterestedL( aItemIndex, ETrue );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   522
			}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
		else if ( requestCount < 0 )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
			{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
			GLX_LOG_INFO1( 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
				"CShwThumbnailLoader::Thumbnail load failed %d", aItemIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
    		// remove the context since there is an error in loading it
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
    		// need to remove first as error handler may add new contexts
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   529
    		RemoveHighQualityContext( aItemIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
			// notidy client of error if it is interested on this index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
			NofifyClientIfInterestedL( aItemIndex, EFalse );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
			}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   533
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   537
// CShwThumbnailLoaderImpl::HandleFocusChangedL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleFocusChangedL(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
	NGlxListDefs::TFocusChangeType /*aType*/, TInt /*aNewIndex*/, 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   541
	TInt /*aOldIndex*/, MGlxMediaList* /*aList*/ )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   544
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
// CShwThumbnailLoaderImpl::HandleItemSelectedL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   548
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleItemSelectedL(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
	TInt /*aIndex*/, TBool /*aSelected*/, MGlxMediaList* /*aList*/ )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
// CShwThumbnailLoaderImpl::HandleMessageL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleMessageL(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
	const CMPXMessage& /*aMessage*/, MGlxMediaList* /*aList*/ )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
// CShwThumbnailLoaderImpl::HandleError.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleError(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
    TInt aError )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleError");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
	GLX_LOG_INFO1( "CShwThumbnailLoader::CShwThumbnailLoaderImpl::HandleError %d", aError );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
	// need to remember the error
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
	iError = aError;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
	// make asynch callback since we cant leave, this is the perfect way to 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
	// handle error as the real processing will be in RunL so it can leave and
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
	// can show a system error note. It is safe to call CallBack even is previous
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   574
	// one did not complete
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
    iErrorHandlerCallBack->CallBack();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
// CShwThumbnailLoaderImpl::DoHandleErrorL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::DoHandleErrorL()
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::DoHandleErrorL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
	GLX_LOG_INFO1( "CShwThumbnailLoader::DoHandleError %d", iError );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
	// variable to tell if the error was in some of our fetch contexts
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
	TBool errorInHighQualityContexts = EFalse;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
	// check if it was any of our high quality fetch contexts 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   588
	TInt count = iHighQualityContexts.Count();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
	// ask all high quality contexts
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
	while ( count-- > 0 )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
		{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   592
		CShwThumbnailContext* context = iHighQualityContexts[ count ];
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   593
		// need to TRAP in case RequestCountL leaves, since if it does
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   594
		// we need to tell our observer that there is a problem
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   595
		// requestCount needs to be volatile so that it does get
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   596
		// optimized to a register and get its initial value returned in leave
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   597
		volatile TInt requestCount = KErrNone;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   598
		TRAPD( error, requestCount = context->RequestCountL( &iMedialist ) );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   599
		// ask if this context had an error or RequestCountL did leave
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
		if( ( requestCount < KErrNone )|| 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
		    ( error != KErrNone ) )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
			{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
			// take the index as cant use context once it is removed
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
			TInt index = context->Index();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
			// remove the context since there is an error in loading it
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
    		// need to remove first as error handler may add new contexts
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
			RemoveHighQualityContext( index );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
			// notidy client of error if it is interested on this index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
			NofifyClientIfInterestedL( index, EFalse );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
			// set the flag to tell that there was an error in context
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
			errorInHighQualityContexts = ETrue;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
			}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
	// check if it was out of memory and in our contexts
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
	if( KErrNoMemory == iError && errorInHighQualityContexts )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
	    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
    	// just leave with KErrNoMemory, system will then show the dialog
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
    	User::Leave( KErrNoMemory );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
	    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
// CShwThumbnailLoaderImpl::Find.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
inline TInt CShwThumbnailLoader::CShwThumbnailLoaderImpl::Find( TInt aIndex )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::Find");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
	GLX_LOG_INFO1( "CShwThumbnailLoader::Find %d", aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
	// take the count
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
	TInt index = iHighQualityContexts.Count();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
	// browse through all indexes ( count-1 -> 0 )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
	while ( index-- > 0 )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
		{
18
bcb43dc84c44 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   634
		// Check if the index belongs to the array
0
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
		CShwThumbnailContext* context = iHighQualityContexts[ index ];
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
		if ( context->Index() == aIndex )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
			{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
			break;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
			}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
	// if match was not found, index is -1 which is KErrNotFound
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
	return index;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
// CShwThumbnailLoaderImpl::FindContext.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
inline CShwThumbnailContext* 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
	CShwThumbnailLoader::CShwThumbnailLoaderImpl::FindContext( TInt aIndex )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::FindContext");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
	GLX_LOG_INFO1( "CShwThumbnailLoader::FindContext %d", aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
	// by default return NULL
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
	CShwThumbnailContext* context = NULL;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
	// reuse the Find
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
	TInt index = Find( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
	// if it was found
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
	if( index != KErrNotFound )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
		{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
		// set the context
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
		context = iHighQualityContexts[ index ];
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
	// and return it
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
	return context;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
// CShwThumbnailLoaderImpl::AddSizeContextL
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   669
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   670
inline void CShwThumbnailLoader::CShwThumbnailLoaderImpl::AddSizeContextL()
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
	{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
	TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::AddSizeContextL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   673
	// Create the fetch context to retrieve the attribute
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   674
	iSizeContext = CGlxDefaultAttributeContext::NewL();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
    // Set the range offsets relative to the focus item
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   676
    // e.g. 0, 1, [2], 3, 4. Focus @ 2 => frontOffset = 2, rearOffset = 2
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   677
	iSizeContext->SetRangeOffsets( KSizeContextOffset, KSizeContextOffset );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
	// Add the size attribute to the context
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   680
	iSizeContext->AddAttributeL( KGlxMediaGeneralDimensions );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
    // Add Drm attribute to the context, 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
	// By default Drm attrib would be ETrue if not fetched already and 
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
	// shall result in reduced thumbnail size request
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
	iSizeContext->AddAttributeL(KMPXMediaDrmProtected);
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
	// add the context with its priority
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
	iMedialist.AddContextL( iSizeContext, KSizeContextPriority );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
	}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   690
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   691
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   692
// CShwThumbnailLoaderImpl::NofifyClientIfInterestedL.
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   693
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   694
void CShwThumbnailLoader::CShwThumbnailLoaderImpl::NofifyClientIfInterestedL(
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   695
    TInt aIndex, TBool aSuccess )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
    TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::NofifyClientIfInterestedL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
    GLX_LOG_INFO1( "CShwThumbnailLoaderImpl::NofifyClientIfInterestedL %d", aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
	// go through all the notification indexes
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
	TInt arrayIndex = iNotificationIndexes.Find( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
	if( KErrNotFound != arrayIndex )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   702
	    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   703
	    // need to remove the index first as handle may insert new ones
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   704
		// remove the index from array so we dont call twice
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   705
		iNotificationIndexes.Remove( arrayIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   706
		if( aSuccess )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   707
		    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   708
    	    // let the client know that the thumbnail is there
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
    	    iThumbnailObserver.HandleThumbnailLoadedL( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
		    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   711
		else
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   712
		    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   713
    	    // let the client know that there was an error
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   714
    	    iThumbnailObserver.HandleThumbnailLoadFailureL( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   715
		    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   716
	    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   717
    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   718
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   719
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   720
// CShwThumbnailLoaderImpl::RemoveHighQualityContext
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   721
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   722
inline void CShwThumbnailLoader::CShwThumbnailLoaderImpl::
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   723
    RemoveHighQualityContext( TInt aIndex )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   724
    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   725
    TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::RemoveHighQualityContext");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   726
    GLX_LOG_INFO1( "CShwThumbnailLoaderImpl::RemoveHighQualityContext %d", aIndex );
18
bcb43dc84c44 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   727
	// check if there is a context for this index
0
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   728
	TInt arrayIndex = Find( aIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   729
	if( KErrNotFound != arrayIndex )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   730
		{
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   731
		// get the context
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   732
		CShwThumbnailContext* context = iHighQualityContexts[ arrayIndex ];
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   733
		// remove the context from the media list
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   734
		iMedialist.RemoveContext( context->Context() );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   735
		// and remove the context from the array
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   736
		iHighQualityContexts.Remove( arrayIndex );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   737
		// finally delete the context
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   738
		delete context;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   739
		}
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   740
    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   741
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   742
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   743
// CShwThumbnailLoaderImpl::CompletedNotifyL
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   744
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   745
inline TInt CShwThumbnailLoader::CShwThumbnailLoaderImpl::CompletedNotifyL()
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   746
    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   747
    TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::CompletedNotifyL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   748
    // then we need to also remove all notifications for the given index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   749
    TInt count = iCompletedIndexes.Count();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   750
    while( count-- > 0 )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   751
        {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   752
        // take the index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   753
        TInt index = iCompletedIndexes[ count ];
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   754
        // remove the index from array before calling observer as observer
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   755
        // may add new indexes to the array
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   756
        iCompletedIndexes.Remove( count );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   757
		// notidy client of success if it is interested on this index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   758
		NofifyClientIfInterestedL( index, ETrue );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   759
        }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   760
    // need to return value to please TCallBack API
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   761
    return KErrNone;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   762
    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   763
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   764
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   765
// CShwThumbnailLoaderImpl::ErrorNotifyL
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   766
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   767
inline TInt CShwThumbnailLoader::CShwThumbnailLoaderImpl::ErrorNotifyL()
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   768
    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   769
    TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::ErrorNotifyL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   770
    // then we need to also remove all notifications for the given index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   771
    TInt count = iErrorIndexes.Count();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   772
    while( count-- > 0 )
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   773
        {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   774
        // take the index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   775
        TInt index = iErrorIndexes[ count ];
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   776
        // remove the index from array before calling observer as observer
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   777
        // may add new indexes to the array
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   778
        iErrorIndexes.Remove( count );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   779
		// remove the context since there is an error in loading it
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   780
		// need to remove first as error handler may add new contexts
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   781
		RemoveHighQualityContext( index );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   782
		// notidy client of error if it is interested on this index
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   783
		NofifyClientIfInterestedL( index, EFalse );
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   784
        }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   785
    // need to return value to please TCallBack API
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   786
    return KErrNone;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   787
    }
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   788
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   789
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   790
// CShwThumbnailLoaderImpl::AsyncErrorHandleL
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   791
// -----------------------------------------------------------------------------
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   792
inline TInt CShwThumbnailLoader::CShwThumbnailLoaderImpl::AsyncErrorHandleL()
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   793
    {
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   794
    TRACER("CShwThumbnailLoader::CShwThumbnailLoaderImpl::AsyncErrorHandleL");
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   795
    // handle the error
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   796
	DoHandleErrorL();
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   797
    // need to return value to please TCallBack API
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   798
    return KErrNone;
4e91876724a2 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   799
    }