author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 21 Jun 2010 15:40:32 +0300 | |
branch | RCL_3 |
changeset 47 | f9e827349359 |
parent 18 | bcb43dc84c44 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007-2008 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: Slideshow specific thumbnail context |
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* |
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*/ |
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// INCLUDES |
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#include "shwthumbnailcontext.h" |
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#include <glxthumbnailinfo.h> |
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#include <glxthumbnailattributeinfo.h> |
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#include <glxerrormanager.h> |
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#include <mglxmedialist.h> |
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#include <glxlog.h> |
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#include <glxtracer.h> |
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// DEPENDENCIES |
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// ----------------------------------------------------------------------------- |
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// Constructor. |
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// ----------------------------------------------------------------------------- |
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inline CShwThumbnailContext::CShwThumbnailContext(TInt aIndex, TSize aSize, |
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MGlxMediaList& aList) : |
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iSize(aSize), iCurrentIndex(aIndex), iList(aList) |
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{ |
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} |
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// ----------------------------------------------------------------------------- |
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// NewLC. |
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// ----------------------------------------------------------------------------- |
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CShwThumbnailContext* CShwThumbnailContext::NewLC(TInt aIndex, TSize aSize, |
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MGlxMediaList& aList) |
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{ |
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TRACER("CShwThumbnailContext::NewLC"); |
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GLX_LOG_INFO1( "CShwThumbnailContext::NewL, aIndex=%d", aIndex ); |
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CShwThumbnailContext* self = |
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new (ELeave) CShwThumbnailContext( aIndex, aSize, aList ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// ConstructL. |
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// ----------------------------------------------------------------------------- |
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void CShwThumbnailContext::ConstructL() |
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{ |
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TRACER("CShwThumbnailContext::ConstructL"); |
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// Create the high quality / slower context |
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iHighQualityContext = CGlxThumbnailContext::NewL( this ); |
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// Call both setdefault and add |
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iHighQualityContext->SetDefaultSpec( iSize.iWidth, iSize.iHeight ); |
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iHighQualityContext->AddSpecForItemL( iSize.iWidth, iSize.iHeight, |
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iCurrentIndex ); |
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// we want to only load high quality with this context |
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iHighQualityContext->SetHighQualityOnly( ETrue ); |
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} |
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// ----------------------------------------------------------------------------- |
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// Destructor. |
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// ----------------------------------------------------------------------------- |
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CShwThumbnailContext::~CShwThumbnailContext() |
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{ |
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TRACER("CShwThumbnailContext::~CShwThumbnailContext"); |
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delete iHighQualityContext; |
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} |
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// ----------------------------------------------------------------------------- |
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// SetToFirst. |
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// ----------------------------------------------------------------------------- |
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void CShwThumbnailContext::SetToFirst( const MGlxMediaList* /*aList*/ ) |
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{ |
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TRACER("CShwThumbnailContext::SetToFirst"); |
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// reset iterator state |
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iIterated = EFalse; |
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} |
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// ----------------------------------------------------------------------------- |
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// CShwThumbnailLoaderImpl::operator++. |
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// ----------------------------------------------------------------------------- |
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TInt CShwThumbnailContext::operator++( TInt ) |
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{ |
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TRACER("CShwThumbnailContext::operator++"); |
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// we want to load all the thumbnails our clients have requested |
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// notification on, nothing else |
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// by default tell the thumbnail that we dont have any interesting indexes |
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TInt wantedIndex = KErrNotFound; |
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TInt count = iList.Count(); |
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// check if we were asked already and guard conditions |
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if( !iIterated && (count > 0) && (iCurrentIndex < count)) |
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106 |
{ |
0
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wantedIndex = iCurrentIndex; |
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iIterated = ETrue; |
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109 |
} |
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110 |
// finally return the index that was wanted |
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GLX_LOG_INFO1("CShwThumbnailContext::operator++ wantedIndex %d",wantedIndex); |
0
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return wantedIndex; |
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113 |
} |
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114 |
|
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115 |
// ----------------------------------------------------------------------------- |
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116 |
// InRange. |
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// ----------------------------------------------------------------------------- |
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TBool CShwThumbnailContext::InRange( TInt aIndex ) const |
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119 |
{ |
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TRACER("CShwThumbnailContext::InRange"); |
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// if we got notifications |
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if ( aIndex == iCurrentIndex ) |
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123 |
{ |
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// is in range so dont remove the item :) |
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// cache removes thumbnails that are no longer in range |
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return ETrue; |
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127 |
} |
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// not in our range |
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return EFalse; |
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130 |
} |
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131 |
|
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132 |
// ----------------------------------------------------------------------------- |
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133 |
// RequestCountL. |
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134 |
// ----------------------------------------------------------------------------- |
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TInt CShwThumbnailContext::RequestCountL(const MGlxMediaList* aList) const |
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136 |
{ |
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TRACER("CShwThumbnailContext::RequestCountL"); |
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return iHighQualityContext->RequestCountL( aList ); |
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} |
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140 |
|
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141 |
// ----------------------------------------------------------------------------- |
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// Index. |
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// ----------------------------------------------------------------------------- |
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TInt CShwThumbnailContext::Index() |
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145 |
{ |
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TRACER("CShwThumbnailContext::Index"); |
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GLX_LOG_INFO1( "CShwThumbnailContext::Index %d", iCurrentIndex ); |
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return iCurrentIndex; |
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} |
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150 |
|
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// ----------------------------------------------------------------------------- |
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// Context. |
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// ----------------------------------------------------------------------------- |
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MGlxFetchContext* CShwThumbnailContext::Context() |
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{ |
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TRACER("CShwThumbnailContext::Context"); |
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return iHighQualityContext; |
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} |