author | Mikko Sunikka <mikko.sunikka@nokia.com> |
Fri, 06 Nov 2009 13:15:00 +0200 | |
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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 the License "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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* Description: |
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* |
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*/ |
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#ifndef ANIMATIONDECODER_H |
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#define ANIMATIONDECODER_H |
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// INCLUDES |
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#include "AnimationDecoderWrapped.h" |
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// CLASS DECLARATION |
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/** |
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* CAnimationDecoder |
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* |
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* Proxy for implementation of file based image class. |
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* @lib IHL.lib |
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* @since 3.0 |
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* |
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* This class is a proxy for CAnimationDecoderWrapped |
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* |
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* We needed to wrap animation decoding in a proxy because sometimes the cache gets cleared when decoding |
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* is in progress; when that happens the animation gets deleted while it's in the middle (which causes all sorts |
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* of crashes and memory stomping). Now, the cache can delete the proxy while the animation is decoding; the proxy |
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* will pass on the delete request to the decoder which will cleanup (delete itself) when it's safe to do so. |
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*/ |
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class CAnimationDecoder |
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{ |
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public: // Constructors and destructor |
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/** |
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* Two-phased constructor. |
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*/ |
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static CAnimationDecoder* NewL(WebCore::ImageObserver* aObs); |
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/* |
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* Virtual destructor. |
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*/ |
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virtual ~CAnimationDecoder(); |
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public: |
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/* |
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* From MIHLFileImage, see base class header. |
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*/ |
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void OpenL( const TDesC8& aData, TDesC* aMIMEType, TBool aIsComplete ); |
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/* |
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* From MIHLFileImage, see base class header. |
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*/ |
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TSize Size() const; |
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/* |
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* From MIHLFileImage, see base class header. |
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*/ |
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TInt AnimationFrameCount() const; |
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/* |
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* From MIHLFileImage, see base class header. |
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*/ |
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TInt LoadFrame( TInt aFrameIndex ); |
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//funtions related to Loop count of animation image. |
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TInt16 getLoopCount(); |
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CMaskedBitmap* Destination(); |
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TBool isSizeAvailable() const; |
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TBool decodeInProgress() const; |
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private: // Private constructors |
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CAnimationDecoder(CAnimationDecoderWrapped *aDecoder); |
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void ConstructL( ); |
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private: // Data |
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CAnimationDecoderWrapped *iWrapped; |
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}; |
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#endif // CAnimationDecoder_H |
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// End of File |