author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Mar 2010 09:28:59 +0200 | |
changeset 23 | 74c9f037fd5d |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 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: Task used for thumbnail availability filter. |
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* |
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*/ |
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/** |
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* @internal reviewed 30/07/2007 by Simon Brooks |
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*/ |
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#ifndef C_GLXTNFILTERAVAILABLETASK_H |
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#define C_GLXTNFILTERAVAILABLETASK_H |
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#include "glxtntask.h" |
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// Forward declarations |
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class CGlxtnFileInfo; |
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/** |
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* Task to filter a list of media item IDs to include only those which don't |
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* have a high quality thumbnail of a given size. |
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* |
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* @author Dan Rhodes |
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* @ingroup glx_thumbnail_creator |
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*/ |
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NONSHARABLE_CLASS(CGlxtnFilterAvailableTask) : public CGlxtnClientTask |
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{ |
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public: |
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/** |
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* Two-phased constructor. |
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* @param aItemArray Array of item IDs, from which those with thumbnails |
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* should be removed. |
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* @param aSize Size of thumbnail required. |
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* @param aClient Client initiating the request. |
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*/ |
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static CGlxtnFilterAvailableTask* NewL( |
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const TArray<TGlxMediaId>& aItemArray, const TSize& aSize, |
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MGlxtnThumbnailCreatorClient& aClient); |
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/** |
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* Destructor. |
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*/ |
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~CGlxtnFilterAvailableTask(); |
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protected: // From CGlxtnTask |
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TBool DoStartL(TRequestStatus& aStatus); |
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void DoCancel(); |
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TBool DoRunL(TRequestStatus& aStatus); |
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TBool DoRunError(TInt aError); |
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private: |
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/** |
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* C++ default constructor. |
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* @param aSize Size of thumbnail required. |
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* @param aClient Client initiating the request. |
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*/ |
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CGlxtnFilterAvailableTask(const TSize& aSize, |
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MGlxtnThumbnailCreatorClient& aClient); |
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/** |
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* Symbian 2nd phase constructor. |
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* @param aItemArray Array of item IDs, from which those with thumbnails |
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* should be removed. |
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*/ |
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void ConstructL(const TArray<TGlxMediaId>& aItemArray); |
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/** |
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* Start asynchronous request for file information for an item. |
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* @param aStatus Request status for the asynchronous operation. |
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*/ |
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TBool GetFileInfoL(TRequestStatus& aStatus); |
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/** |
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* Start asynchronous check for thumbnail in persistent storage. |
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* @param aStatus Request status for the asynchronous operation. |
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*/ |
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TBool CheckIdL(TRequestStatus& aStatus); |
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private: |
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enum TFilterState |
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{ |
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EStateFetchingUri, EStateChecking |
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}; |
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/** Size of thumbnail for which to check */ |
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TSize iSize; |
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/** Array of media IDs from which those with thumbnails are removed */ |
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RArray<TGlxMediaId> iIdArray; |
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/** Current task state */ |
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TFilterState iState; |
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/** Current index in Id array */ |
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TInt iIndex; |
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/** File info for current item */ |
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CGlxtnFileInfo* iFileInfo; |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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}; |
74c9f037fd5d
Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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107 |
|
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Revision: 201007
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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108 |
#endif // C_GLXTNFILTERAVAILABLETASK_H |