author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 02 Feb 2010 10:12:18 +0200 | |
changeset 0 | 5e5d6b214f4f |
child 3 | 3aab497fdbb7 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 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 class for asynchronously decoding the header thumbnail image |
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* |
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*/ |
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|
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|
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#include "cvimpstdetailsimagedecoder.h" |
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|
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#include "cvimpstdetailsheadercontrol.h" |
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#include <cbsbitmap.h> |
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#include <imageconversion.h> |
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// --------------------------------------------------------------------------- |
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// CVIMPSTDetailsImageDecoder::NewL |
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// Two-phase construction |
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// --------------------------------------------------------------------------- |
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// |
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CVIMPSTDetailsImageDecoder* CVIMPSTDetailsImageDecoder::NewL(CVIMPSTDetailsHeaderControl& aHeader, const TDesC8& aBitmapData) |
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{ |
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CVIMPSTDetailsImageDecoder* self = new (ELeave) CVIMPSTDetailsImageDecoder(aHeader); |
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CleanupStack::PushL(self); |
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self->ConstructL(aBitmapData); |
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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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// --------------------------------------------------------------------------- |
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// CVIMPSTDetailsImageDecoder::CVIMPSTDetailsImageDecoder |
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// First phase (C++) constructor |
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// --------------------------------------------------------------------------- |
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// |
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CVIMPSTDetailsImageDecoder::CVIMPSTDetailsImageDecoder(CVIMPSTDetailsHeaderControl& aHeader) : |
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CActive( CActive::EPriorityStandard ), iHeader(aHeader) |
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{ |
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CActiveScheduler::Add(this); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// CVIMPSTDetailsImageDecoder::ConstructL |
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// ConstructL, second phase constructor |
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// --------------------------------------------------------------------------- |
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// |
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void CVIMPSTDetailsImageDecoder::ConstructL(const TDesC8& aBitmapData) |
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{ |
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iBitmapData = aBitmapData.AllocL(); |
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User::LeaveIfError( iFs.Connect() ); |
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iImgDecoder = CImageDecoder::DataNewL( iFs, *iBitmapData ); |
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TFrameInfo info = iImgDecoder->FrameInfo(); |
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iBitmap = new ( ELeave ) CFbsBitmap; |
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User::LeaveIfError( iBitmap->Create( info.iOverallSizeInPixels, info.iFrameDisplayMode )); |
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} |
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|
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// --------------------------------------------------------------------------- |
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// CVIMPSTDetailsImageDecoder::~CVIMPSTDetailsImageDecoder |
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// --------------------------------------------------------------------------- |
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// |
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CVIMPSTDetailsImageDecoder::~CVIMPSTDetailsImageDecoder() |
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{ |
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DoCancel(); |
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if (iImgDecoder) |
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{ |
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delete iImgDecoder; |
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iImgDecoder = NULL; |
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} |
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if (iBitmap) |
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{ |
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delete iBitmap; |
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iBitmap = NULL; |
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} |
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if (iBitmapData) |
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{ |
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delete iBitmapData; |
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iBitmapData = NULL; |
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} |
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iFs.Close(); |
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} |
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// --------------------------------------------------------------------------- |
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// CVIMPSTDetailsImageDecoder::Start |
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// Starts the decoding process |
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// --------------------------------------------------------------------------- |
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// |
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void CVIMPSTDetailsImageDecoder::Start() |
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{ |
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iStatus = KRequestPending; |
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iImgDecoder->Convert( &iStatus, *iBitmap ); |
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SetActive(); |
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} |
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// --------------------------------------------------------------------------- |
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// CVIMPSTDetailsImageDecoder::RunL |
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// Called by the active object framework when the decoding (request) is |
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// completed. |
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// --------------------------------------------------------------------------- |
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// |
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void CVIMPSTDetailsImageDecoder::RunL() |
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{ |
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User::LeaveIfError( iStatus.Int() ); |
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// Ownership of the bitmap is transferred |
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iHeader.SetBitmap(iBitmap, NULL ); |
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iBitmap = NULL; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// CVIMPSTDetailsImageDecoder::DoCancel |
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// Called when the decoding (request) is cancelled for some reason. |
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// --------------------------------------------------------------------------- |
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// |
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void CVIMPSTDetailsImageDecoder::DoCancel() |
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{ |
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iImgDecoder->Cancel(); |
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} |
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|
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// end of file |