author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 15 Mar 2010 12:40:11 +0200 | |
branch | RCL_3 |
changeset 12 | 171e07ac910f |
parent 11 | 943ff5625028 |
child 15 | a1247965635c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006 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: Thumbnail loader |
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* |
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*/ |
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#ifndef MPXCOLLECTIONVIEWHGTNLOADER_H_ |
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#define MPXCOLLECTIONVIEWHGTNLOADER_H_ |
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#include <e32base.h> |
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#include <thumbnailmanager.h> // needs to be included here because of a bug in thumbnailmanagerobserver.h |
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#include <thumbnailmanagerobserver.h> |
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class CThumbnailManager; |
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class CFbsBitmap; |
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class CAsyncCallBack; |
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/** |
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* Observer iface |
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*/ |
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class MMpxTNLoaderObserver |
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{ |
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public: |
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virtual void TNReadyL(TInt aError, CFbsBitmap* aBitmap, CFbsBitmap* aMask, TInt aIndex) = 0; |
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}; |
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/** |
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* TN Loader |
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*/ |
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NONSHARABLE_CLASS( CMpxTNLoader ) : public CBase, public MThumbnailManagerObserver |
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{ |
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public: // CONSTRUCTORS & DESCTRUCTOR |
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static CMpxTNLoader* NewL(MMpxTNLoaderObserver& aObserver, TThumbnailSize aSize ); |
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virtual ~CMpxTNLoader(); |
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public: // NEW FUNCTIONS |
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void LoadThumbL(TInt aIndex, const TDesC& aFileName ); |
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void CancelThumb( TInt aIndex ); |
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void CancelAll(); |
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void SetSizeL( TThumbnailSize aSize ); |
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void Pause( TTimeIntervalMicroSeconds32 aDelay ); |
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void Resume(); |
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private: // From MThumbnailManagerObserver |
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void ThumbnailPreviewReady( MThumbnailData& aThumbnail, |
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TThumbnailRequestId aId ); |
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void ThumbnailReady( TInt aError, MThumbnailData& aThumbnail, |
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TThumbnailRequestId aId ); |
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private: // CONSTRUCTORS |
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CMpxTNLoader(MMpxTNLoaderObserver& aObserver, |
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TThumbnailSize aSize ); |
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void ConstructL(); |
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private: // NEW FUNCTIONS |
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TInt FindLoadingById(TThumbnailRequestId aId, TBool aRemove = EFalse); |
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TInt FindLoadingByIndex(TInt aIndex, TBool aRemove = EFalse); |
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static TInt LoadThumbnail( TAny* aSelf ); |
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void LoadNextTN(); |
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static TInt ResumeCallback(TAny* aPtr); |
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private: // DATA |
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MMpxTNLoaderObserver& iObserver; |
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CThumbnailManager* iTnEngine; // Own |
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// Loading information |
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class TLoadingTN |
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{ |
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public: |
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TLoadingTN(TThumbnailRequestId aId, TInt aIndex, const TDesC& aFileName ) |
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: iId(aId), iIndex(aIndex), iFileName( aFileName ) |
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{ |
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} |
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TThumbnailRequestId iId; |
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TInt iIndex; |
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TFileName iFileName; |
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}; |
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RPointerArray<TLoadingTN> iLoading; // Loading Thubmbs |
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CAsyncCallBack* iAsyncCallBack; |
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TThumbnailSize iSize; |
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TBool iPaused; |
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CPeriodic* iPauseTimer; |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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}; |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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106 |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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#endif // MPXCOLLECTIONVIEWHGTNLOADER_H_ |