| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Mon, 26 Oct 2009 08:28:45 +0200 | |
| changeset 15 | 60c5402cb945 |
| parent 11 | c8a366e56285 |
| child 18 | a758fa0cb043 |
| permissions | -rw-r--r-- |
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/* |
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* ============================================================================== |
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* Copyright (c) 2006, Nokia Corporation |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of the Nokia Corporation nor the names of its |
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* contributors may be used to endorse or promote products derived |
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* from this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* ============================================================================== |
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*/ |
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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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*/ |
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// INCLUDE FILES |
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#include "config.h" |
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#include "AnimationDecoder.h" |
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using namespace WebCore; |
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// ============================ MEMBER FUNCTIONS =============================== |
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// ----------------------------------------------------------------------------- |
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// |
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// C++ default constructor can NOT contain any code, that |
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// might leave. |
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// ----------------------------------------------------------------------------- |
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CAnimationDecoder::CAnimationDecoder( CAnimationDecoderWrapped* aDecoder ) |
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: iWrapped(aDecoder) |
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{
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// Two-phased constructor. |
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// ----------------------------------------------------------------------------- |
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CAnimationDecoder* CAnimationDecoder::NewL( ImageObserver* aObs ) |
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{
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CAnimationDecoderWrapped* aDecoder = CAnimationDecoderWrapped::NewL( aObs ); |
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CAnimationDecoder* self = new (ELeave) CAnimationDecoder( aDecoder ); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// |
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// Symbian constructor can leave. |
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// ----------------------------------------------------------------------------- |
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void CAnimationDecoder::ConstructL( ) |
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{
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} |
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// ----------------------------------------------------------------------------- |
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// Destructor |
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// ----------------------------------------------------------------------------- |
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CAnimationDecoder::~CAnimationDecoder() |
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{
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if (iWrapped) {
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iWrapped->Invalidate(); |
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iWrapped = NULL; |
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} |
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} |
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CMaskedBitmap* CAnimationDecoder::Destination() |
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{
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if (iWrapped) |
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return(iWrapped->Destination()); |
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return(NULL); |
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} |
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// ----------------------------------------------------------------------------- |
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// OpenL |
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// ----------------------------------------------------------------------------- |
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void CAnimationDecoder::OpenL( const TDesC8& aData, TDesC* aMIMEType, TBool aIsComplete ) |
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{
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if (!iWrapped) {
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return; |
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} |
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TRAPD(err, iWrapped->OpenL(aData, aMIMEType, aIsComplete)); |
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if (err != KErrNone) {
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delete iWrapped; |
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iWrapped = NULL; |
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} |
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User::LeaveIfError(err); |
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} |
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116 |
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TSize CAnimationDecoder::Size() const |
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{
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if (iWrapped) |
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return(iWrapped->Size()); |
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TSize t; |
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return(t); |
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} |
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TInt CAnimationDecoder::AnimationFrameCount() const |
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{
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if (iWrapped) |
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return(iWrapped->AnimationFrameCount()); |
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return(-1); |
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} |
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TInt16 CAnimationDecoder::getLoopCount() |
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{
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if (iWrapped) |
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return(iWrapped->getLoopCount()); |
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return(-1); |
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} |
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TBool CAnimationDecoder::isSizeAvailable() const |
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{
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if (iWrapped) |
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return(iWrapped->isSizeAvailable()); |
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return(EFalse); |
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} |
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TInt CAnimationDecoder::LoadFrame(TInt aFrameIndex) |
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{
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if (iWrapped) |
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return(iWrapped->LoadFrame(aFrameIndex)); |
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return(-1); |
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} |
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TBool CAnimationDecoder::decodeInProgress() const |
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{
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if (iWrapped) |
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return(iWrapped->decodeInProgress()); |
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return(EFalse); |
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} |
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// End of File |