author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:45:05 +0200 | |
changeset 0 | ff3acec5bc43 |
child 14 | 943ff5625028 |
permissions | -rw-r--r-- |
0
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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 implementation |
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* |
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*/ |
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|
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|
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#include <thumbnaildata.h> |
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#include <AknIconUtils.h> |
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#include "mpxcollectionviewhgtnloader.h" |
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#include "mpxlog.h" |
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_LIT( KMPXAlbumMimeType, "audio/mpeg3" ); |
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|
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// ----------------------------------------------------------------------------- |
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// CODEScrollerTNLoader::NewL() |
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// ----------------------------------------------------------------------------- |
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// |
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CMpxTNLoader* CMpxTNLoader::NewL ( |
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MMpxTNLoaderObserver& aObserver, TThumbnailSize aSize ) |
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{ |
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CMpxTNLoader* self = new (ELeave) CMpxTNLoader(aObserver, aSize ); |
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CleanupStack::PushL(self); |
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self->ConstructL(); |
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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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// CMpxTNLoader:~CMpxTNLoader() |
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// ----------------------------------------------------------------------------- |
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// |
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CMpxTNLoader::~CMpxTNLoader ( ) |
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{ |
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// cancel outstanding requests |
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if(iTnEngine) |
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{ |
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// CancelAll(); |
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} |
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iLoading.ResetAndDestroy(); |
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delete iTnEngine; |
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if( iAsyncCallBack ) |
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iAsyncCallBack->Cancel(); |
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delete iAsyncCallBack; |
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} |
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TInt CMpxTNLoader::LoadThumbnail( TAny* aSelf ) |
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{ |
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CMpxTNLoader* self = (CMpxTNLoader*)aSelf; |
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self->LoadNextTN(); |
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return KErrNone; |
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} |
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|
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void CMpxTNLoader::LoadNextTN() |
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{ |
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if( iLoading.Count() > 0 ) |
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{ |
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TInt index = iLoading[0]->iIndex; |
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if( index >= 0 && iLoading[0]->iId == 0) |
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{ |
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CThumbnailObjectSource* source = CThumbnailObjectSource::NewLC(iLoading[0]->iFileName, KMPXAlbumMimeType); |
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TRAPD(err, iLoading[0]->iId = iTnEngine->GetThumbnailL( *source, NULL, 0 ); ) |
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MPX_DEBUG4( "GetThumbnailL: %d [%d,%d]", err, index, iLoading[0]->iId); |
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CleanupStack::PopAndDestroy(source); |
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} |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMpxTNLoader::ThumbnailPreviewReady() |
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// ----------------------------------------------------------------------------- |
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// |
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void CMpxTNLoader::ThumbnailPreviewReady (MThumbnailData& /*aThumbnail*/, |
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TThumbnailRequestId /*aId*/ ) |
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{ |
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// Previews not currently used |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CMpxTNLoader::ThumbnailReady() |
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// ----------------------------------------------------------------------------- |
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// |
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void CMpxTNLoader::ThumbnailReady (TInt aError, |
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MThumbnailData& aThumbnail, TThumbnailRequestId aId ) |
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{ |
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TInt index = FindLoadingById(aId, ETrue); |
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MPX_DEBUG4( "ThumbnailReady: %d [%d,%d]", aError, index, aId ); |
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|
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if( index != KErrNotFound ) |
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{ |
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|
106 |
CFbsBitmap* bitmap = (aError == KErrNone ? aThumbnail.DetachBitmap() : NULL); |
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|
107 |
|
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|
108 |
TRAP_IGNORE(iObserver.TNReadyL(aError, bitmap, NULL, index)); |
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|
109 |
|
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110 |
if( iLoading.Count() > 0 ) |
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111 |
{ |
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112 |
if(!iAsyncCallBack->IsActive()) |
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113 |
iAsyncCallBack->CallBack(); |
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114 |
} |
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115 |
} |
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116 |
} |
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117 |
|
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118 |
// ----------------------------------------------------------------------------- |
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119 |
// CMpxTNLoader::CMpxTNLoader() |
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120 |
// ----------------------------------------------------------------------------- |
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121 |
// |
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122 |
CMpxTNLoader::CMpxTNLoader (MMpxTNLoaderObserver& aObserver, TThumbnailSize aSize ) |
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123 |
: iObserver( aObserver ), iSize(aSize) |
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124 |
{ |
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125 |
|
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126 |
} |
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127 |
|
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128 |
// ----------------------------------------------------------------------------- |
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129 |
// CMpxTNLoader::ConstructL() |
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130 |
// ----------------------------------------------------------------------------- |
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131 |
// |
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132 |
void CMpxTNLoader::ConstructL () |
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133 |
{ |
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134 |
iTnEngine = CThumbnailManager::NewL( *this ); |
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135 |
iTnEngine->SetFlagsL( CThumbnailManager::EDefaultFlags ); |
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|
136 |
iTnEngine->SetQualityPreferenceL( CThumbnailManager::EOptimizeForQuality ); |
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|
137 |
iTnEngine->SetThumbnailSizeL( iSize ); |
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|
138 |
TCallBack callback(CMpxTNLoader::LoadThumbnail, this); |
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|
139 |
iAsyncCallBack = new (ELeave) CAsyncCallBack( CActive::EPriorityStandard ); |
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|
140 |
iAsyncCallBack->Set(callback); |
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|
141 |
} |
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|
142 |
|
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143 |
// ----------------------------------------------------------------------------- |
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144 |
// CMpxTNLoader::FindLoading() |
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145 |
// ----------------------------------------------------------------------------- |
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|
146 |
// |
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147 |
TInt CMpxTNLoader::FindLoadingById(TThumbnailRequestId aId, TBool aRemove) |
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|
148 |
{ |
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|
149 |
TInt index = KErrNotFound; |
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150 |
for(TInt i = 0; i < iLoading.Count(); ++i) |
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|
151 |
{ |
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152 |
if(iLoading[i]->iId == aId) |
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|
153 |
{ |
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154 |
index = iLoading[i]->iIndex; |
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155 |
if(aRemove) |
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|
156 |
{ |
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|
157 |
delete iLoading[i]; |
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|
158 |
iLoading.Remove(i); |
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|
159 |
} |
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|
160 |
break; |
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|
161 |
} |
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|
162 |
} |
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|
163 |
return index; |
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|
164 |
} |
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|
165 |
|
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|
166 |
// ----------------------------------------------------------------------------- |
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|
167 |
// CMpxTNLoader::FindLoading() |
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|
168 |
// ----------------------------------------------------------------------------- |
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|
169 |
// |
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|
170 |
TInt CMpxTNLoader::FindLoadingByIndex(TInt aIndex, TBool aRemove) |
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|
171 |
{ |
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|
172 |
TInt index = KErrNotFound; |
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|
173 |
for(TInt i = 0; i < iLoading.Count(); ++i) |
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|
174 |
{ |
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|
175 |
if(iLoading[i]->iIndex == aIndex) |
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|
176 |
{ |
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|
177 |
index = i; |
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|
178 |
if(aRemove) |
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|
179 |
{ |
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|
180 |
delete iLoading[i]; |
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|
181 |
iLoading.Remove(i); |
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|
182 |
} |
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Revision: 200949
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|
183 |
break; |
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Revision: 200949
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|
184 |
} |
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|
185 |
} |
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|
186 |
return index; |
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|
187 |
} |
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|
188 |
|
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|
189 |
// ----------------------------------------------------------------------------- |
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|
190 |
// CMpxTNLoader::LoadThumbL() |
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|
191 |
// ----------------------------------------------------------------------------- |
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|
192 |
// |
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|
193 |
void CMpxTNLoader::LoadThumbL( TInt aIndex, const TDesC& aFileName ) |
ff3acec5bc43
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|
194 |
{ |
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Revision: 200949
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|
195 |
if( FindLoadingByIndex(aIndex) == KErrNotFound ) |
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|
196 |
{ |
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Revision: 200949
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|
197 |
iLoading.Append( new (ELeave) TLoadingTN( 0, aIndex, aFileName ) ); |
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|
198 |
if( !iAsyncCallBack->IsActive() ) |
ff3acec5bc43
Revision: 200949
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|
199 |
iAsyncCallBack->CallBack(); |
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Revision: 200949
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|
200 |
} |
ff3acec5bc43
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|
201 |
} |
ff3acec5bc43
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diff
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|
202 |
|
ff3acec5bc43
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|
203 |
// ----------------------------------------------------------------------------- |
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|
204 |
// CMpxTNLoader::CancelThumb() |
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|
205 |
// ----------------------------------------------------------------------------- |
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|
206 |
// |
ff3acec5bc43
Revision: 200949
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|
207 |
void CMpxTNLoader::CancelThumb( TInt aIndex ) |
ff3acec5bc43
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|
208 |
{ |
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Revision: 200949
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|
209 |
TInt loadingIndex = FindLoadingByIndex( aIndex ); |
ff3acec5bc43
Revision: 200949
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|
210 |
if(loadingIndex != KErrNotFound) |
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Revision: 200949
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diff
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|
211 |
{ |
ff3acec5bc43
Revision: 200949
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diff
changeset
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// Current thumbnail manager has bugs in thumbnail request cancelation. |
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// There is a fix coming in near future but until that we cannot cancel requests |
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// since after that we dont get any thumbnails from server. |
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// if( iLoading[loadingIndex]->iId != 0 ) |
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// { |
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// RDebug::Print(_L("!!CANCEL REQUEST!!")); |
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// iTnEngine->CancelRequest( iLoading[loadingIndex]->iId ); |
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// } |
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delete iLoading[loadingIndex]; |
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iLoading.Remove(loadingIndex); |
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} |
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} |
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|
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void CMpxTNLoader::CancelAll() |
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{ |
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iLoading.ResetAndDestroy(); |
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return; |
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// Current thumbnail manager has bugs in thumbnail request cancelation. |
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// There is a fix coming in near future but until that we cannot cancel requests |
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// since after that we dont get any thumbnails from server. |
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while ( iLoading.Count() > 0 ) |
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{ |
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if( iLoading[0]->iId != 0 ) |
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iTnEngine->CancelRequest( iLoading[0]->iId ); |
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delete iLoading[0]; |
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iLoading.Remove(0); |
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} |
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} |
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|
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void CMpxTNLoader::SetSizeL( TThumbnailSize aSize ) |
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{ |
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iTnEngine->SetThumbnailSizeL( aSize ); |
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} |