author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 17 Dec 2009 08:45:44 +0200 | |
changeset 0 | 4e91876724a2 |
child 2 | 7d9067c6fcb1 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008-2009 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 : Class defination for preview thumbnail in list view |
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* |
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*/ |
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|
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|
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#include <mglxmedialist.h> |
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#include <glxthumbnailcontext.h> |
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#include <glxfilterfactory.h> // For TGlxFilterFactory |
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#include <glxthumbnailattributeinfo.h> |
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#include "glxpreviewthumbnailbinding.h" |
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#include "glxgeneraluiutilities.h" |
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#include <glxuiutility.h> // For UiUtility instance |
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#include <glxtracer.h> |
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#include <glxlog.h> |
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#include <glxuistd.h> // Fetch context priority def'ns |
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|
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const TInt KInitialThumbnailsTimeDelay(100000); |
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const TInt KWaitCount(5); |
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const TInt KThumbnailStartTimeDelay(2000000); |
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const TInt KThumbnailIntervalTimeDelay(2000000); |
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const TInt KPreviewThumbnailFetchCount(18); |
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|
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// ---------------------------------------------------------------------------- |
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// NewL |
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// ---------------------------------------------------------------------------- |
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// |
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CGlxPreviewThumbnailBinding* CGlxPreviewThumbnailBinding::NewL( |
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MPreviewTNObserver& aObserver) |
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{ |
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TRACER("CGlxPreviewThumbnailBinding::NewL"); |
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CGlxPreviewThumbnailBinding* self = CGlxPreviewThumbnailBinding::NewLC(aObserver); |
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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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// NewLC |
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// ---------------------------------------------------------------------------- |
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// |
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CGlxPreviewThumbnailBinding* CGlxPreviewThumbnailBinding::NewLC( |
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MPreviewTNObserver& aObserver) |
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{ |
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TRACER("CGlxPreviewThumbnailBinding::NewLC"); |
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CGlxPreviewThumbnailBinding* self = new(ELeave)CGlxPreviewThumbnailBinding(aObserver); |
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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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// ---------------------------------------------------------------------------- |
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// Constructor |
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// ---------------------------------------------------------------------------- |
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// |
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CGlxPreviewThumbnailBinding::CGlxPreviewThumbnailBinding( |
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MPreviewTNObserver& aObserver) |
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: iObserver(aObserver) |
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{ |
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} |
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|
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// ---------------------------------------------------------------------------- |
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// ConstructL |
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// ---------------------------------------------------------------------------- |
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// |
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void CGlxPreviewThumbnailBinding::ConstructL() |
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{ |
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TRACER("CGlxPreviewThumbnailBinding::ConstructL"); |
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iTimer = CPeriodic::NewL( CActive::EPriorityStandard ); |
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CGlxUiUtility* uiUtility = CGlxUiUtility::UtilityL(); |
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iGridIconSize = uiUtility->GetGridIconSize(); |
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uiUtility->Close() ; |
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} |
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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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// |
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CGlxPreviewThumbnailBinding::~CGlxPreviewThumbnailBinding() |
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{ |
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TRACER("CGlxPreviewThumbnailBinding::~CGlxPreviewThumbnailBinding"); |
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// close any medialist that exist |
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if( iMediaList ) |
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{ |
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iMediaList->RemoveMediaListObserver( this ); |
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iMediaList->RemoveContext(iThumbnailContext); |
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delete iThumbnailContext; |
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iMediaList->Close(); |
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iMediaList = NULL; |
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|
104 |
} |
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|
105 |
|
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|
106 |
// cancel any outstanding request of the timer |
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|
107 |
if(iTimer->IsActive()) |
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|
108 |
{ |
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|
109 |
iTimer->Cancel(); |
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|
110 |
} |
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|
111 |
delete iTimer; |
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|
112 |
iTimer = NULL; |
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|
113 |
iPreviewItemCount.Close(); |
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|
114 |
} |
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|
115 |
|
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116 |
// ---------------------------------------------------------------------------- |
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117 |
// TimerTickedL: we need to update only when required i.e, when the thumbnail count |
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|
118 |
// has not reached till the max limit to be shown |
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119 |
// ---------------------------------------------------------------------------- |
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120 |
// |
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121 |
void CGlxPreviewThumbnailBinding::TimerTickedL() |
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122 |
{ |
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123 |
TRACER("CGlxPreviewThumbnailBinding::TimerTickedL"); |
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|
124 |
|
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|
125 |
if(iMediaList && iMediaList->Count() && iPreviewItemCount.Count() ) |
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|
126 |
{ |
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|
127 |
TInt thumbnailIndex = iPreviewItemCount[iProgressIndex]; |
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|
128 |
if(thumbnailIndex < iMediaList->Count()) |
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|
129 |
{ |
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130 |
const TGlxMedia& item = iMediaList->Item(thumbnailIndex); |
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|
131 |
TMPXAttribute thumbnailAttribute(KGlxMediaIdThumbnail, |
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|
132 |
GlxFullThumbnailAttributeId( ETrue, iGridIconSize.iWidth, |
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|
133 |
iGridIconSize.iHeight ) ); |
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|
134 |
|
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|
135 |
const CGlxThumbnailAttribute* value = item.ThumbnailAttribute( |
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|
136 |
thumbnailAttribute ); |
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|
137 |
if (value) |
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|
138 |
{ |
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|
139 |
CFbsBitmap* bitmap = new (ELeave) CFbsBitmap; |
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|
140 |
bitmap->Duplicate( value->iBitmap->Handle()); |
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|
141 |
iObserver.PreviewTNReadyL(bitmap, NULL,iProgressIndex); |
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|
142 |
iProgressIndex++; |
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parents:
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|
143 |
if (iProgressIndex >= KPreviewThumbnailFetchCount || |
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|
144 |
iProgressIndex >= iPreviewItemCount.Count() || |
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|
145 |
iProgressIndex >= iMediaList->Count()) |
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|
146 |
{ |
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Revision: 200949
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|
147 |
iProgressIndex = 0; |
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|
148 |
} |
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|
149 |
} |
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|
150 |
} |
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|
151 |
} |
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Revision: 200949
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|
152 |
else if (iPopulateListTNs && iMediaList && iMediaList->Count() == 0) |
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|
153 |
{ |
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Revision: 200949
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parents:
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|
154 |
if (iTrial == KWaitCount) |
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Revision: 200949
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parents:
diff
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|
155 |
{ |
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Revision: 200949
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diff
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|
156 |
iObserver.PreviewTNReadyL(NULL, NULL, KErrNotFound); |
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Revision: 200949
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|
157 |
iTrial=0; |
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Revision: 200949
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|
158 |
return; |
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diff
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|
159 |
} |
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Revision: 200949
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diff
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|
160 |
iTrial++; |
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Revision: 200949
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diff
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|
161 |
} |
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Revision: 200949
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parents:
diff
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|
162 |
else if(iMediaList && iMediaList->Count() ) |
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Revision: 200949
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parents:
diff
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|
163 |
{ |
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Revision: 200949
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parents:
diff
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|
164 |
if(iProgressIndex > iMediaList->Count()-1 ) |
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Revision: 200949
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parents:
diff
changeset
|
165 |
{ |
4e91876724a2
Revision: 200949
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parents:
diff
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|
166 |
iProgressIndex = 0; |
4e91876724a2
Revision: 200949
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parents:
diff
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|
167 |
} |
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Revision: 200949
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parents:
diff
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|
168 |
const TGlxMedia& item = iMediaList->Item(iProgressIndex); |
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Revision: 200949
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parents:
diff
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|
169 |
TMPXAttribute thumbnailAttribute(KGlxMediaIdThumbnail, |
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Revision: 200949
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parents:
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|
170 |
GlxFullThumbnailAttributeId( ETrue, iGridIconSize.iWidth, |
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Revision: 200949
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parents:
diff
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|
171 |
iGridIconSize.iHeight ) ); |
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Revision: 200949
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parents:
diff
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|
172 |
|
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Revision: 200949
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parents:
diff
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|
173 |
const CGlxThumbnailAttribute* value = item.ThumbnailAttribute( |
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Revision: 200949
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parents:
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|
174 |
thumbnailAttribute ); |
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Revision: 200949
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parents:
diff
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|
175 |
if (value) |
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Revision: 200949
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parents:
diff
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|
176 |
{ |
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Revision: 200949
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parents:
diff
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|
177 |
CFbsBitmap* bitmap = new (ELeave) CFbsBitmap; |
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Revision: 200949
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parents:
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|
178 |
bitmap->Duplicate( value->iBitmap->Handle()); |
4e91876724a2
Revision: 200949
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parents:
diff
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|
179 |
iObserver.PreviewTNReadyL(bitmap, NULL,iProgressIndex); |
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Revision: 200949
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parents:
diff
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|
180 |
iProgressIndex++; |
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Revision: 200949
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parents:
diff
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|
181 |
if (iProgressIndex >= KPreviewThumbnailFetchCount || |
4e91876724a2
Revision: 200949
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parents:
diff
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|
182 |
iProgressIndex >= iMediaList->Count()) |
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Revision: 200949
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parents:
diff
changeset
|
183 |
{ |
4e91876724a2
Revision: 200949
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parents:
diff
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|
184 |
iProgressIndex = 0; |
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Revision: 200949
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parents:
diff
changeset
|
185 |
} |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
186 |
} |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
187 |
else |
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Revision: 200949
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parents:
diff
changeset
|
188 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
189 |
if (iTrialCount == KWaitCount) |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
190 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
191 |
iObserver.PreviewTNReadyL(NULL, NULL, KErrNotFound); |
4e91876724a2
Revision: 200949
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parents:
diff
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|
192 |
iTrialCount=0; |
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Revision: 200949
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parents:
diff
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|
193 |
return; |
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Revision: 200949
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parents:
diff
changeset
|
194 |
} |
4e91876724a2
Revision: 200949
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parents:
diff
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|
195 |
iTrialCount++; |
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Revision: 200949
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parents:
diff
changeset
|
196 |
} |
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Revision: 200949
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parents:
diff
changeset
|
197 |
} |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
198 |
} |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
199 |
// ---------------------------------------------------------------------------- |
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Revision: 200949
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parents:
diff
changeset
|
200 |
// IsTimeL callback function invoked when timer expires |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
201 |
// ---------------------------------------------------------------------------- |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
202 |
// |
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Revision: 200949
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parents:
diff
changeset
|
203 |
TInt CGlxPreviewThumbnailBinding::IsTimeL( TAny* aSelf ) |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
204 |
{ |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
205 |
TRACER("CGlxPreviewThumbnailBinding::IsTimeL"); |
4e91876724a2
Revision: 200949
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parents:
diff
changeset
|
206 |
if (aSelf) |
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Revision: 200949
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parents:
diff
changeset
|
207 |
{ |
4e91876724a2
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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TRACER("CGlxPreviewThumbnailBinding::IsTimeL"); |
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CGlxPreviewThumbnailBinding* self = static_cast<CGlxPreviewThumbnailBinding*>(aSelf); |
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if(self) |
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211 |
{ |
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self->TimerTickedL(); |
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} |
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} |
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return KErrNone; |
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} |
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217 |
|
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218 |
|
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// ---------------------------------------------------------------------------- |
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// HandleItemChangedL |
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// This function basically closes the old medialist if any for ex. Tags, |
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// Captured.. and then opens a new medialist with teh required filter. |
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// ---------------------------------------------------------------------------- |
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// |
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void CGlxPreviewThumbnailBinding::HandleItemChangedL(const CMPXCollectionPath& aPath, |
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TBool aPopulateListTNs ) |
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227 |
{ |
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TRACER("CGlxPreviewThumbnailBinding::HandleItemChangedL"); |
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iTimerTicked = EFalse; |
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iPopulateListTNs = aPopulateListTNs; |
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iProgressIndex = KErrNone; |
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232 |
|
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// remove and close old medialist |
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if( iMediaList ) |
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235 |
{ |
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// Reset the trial and the trialCount to 0 while deleting the medialist |
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iTrial = 0; |
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iTrialCount = 0; |
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iMediaList->RemoveMediaListObserver( this ); |
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iMediaList->RemoveContext(iThumbnailContext); |
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delete iThumbnailContext; |
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iThumbnailContext = NULL; |
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iMediaList->Close(); |
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iMediaList = NULL; |
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} |
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246 |
|
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// Filter that filters out any GIF, corrupted images |
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CMPXFilter* filter = NULL; |
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filter = TGlxFilterFactory::CreatePreviewFilterL(); |
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CleanupStack::PushL( filter ); |
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// create new medialist with the required filter which filters out all DRM, GIFS and corrupt |
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// thumbnial |
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iMediaList = MGlxMediaList::InstanceL( aPath ,KGlxIdNone, filter); |
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iThumbnailContext = CGlxThumbnailContext::NewL( &iThumbnailIterator ); // set the thumbnail context |
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iThumbnailIterator.SetRange( KPreviewThumbnailFetchCount ); // request for fifiteen thumbnails |
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iThumbnailContext->SetDefaultSpec( iGridIconSize.iWidth,iGridIconSize.iHeight ); |
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iMediaList->AddContextL(iThumbnailContext ,KGlxFetchContextPriorityNormal ); |
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// adding the medialist to observ any changes or updates done |
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iMediaList->AddMediaListObserverL(this); |
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CleanupStack::PopAndDestroy( filter ); |
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261 |
|
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//Start the timer |
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StartTimer(iPopulateListTNs); |
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264 |
} |
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265 |
|
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266 |
// ---------------------------------------------------------------------------- |
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// StartTimer - Starts the timer based on the flag populateListTN's |
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// where the flag will be true, when initially the first thumbnails in the list |
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// are populated. |
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// ---------------------------------------------------------------------------- |
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271 |
// |
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void CGlxPreviewThumbnailBinding::StartTimer(TBool aPopulateListTNs) |
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273 |
{ |
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TRACER("CGlxPreviewThumbnailBinding::StartTimer"); |
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275 |
|
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iPopulateListTNs = aPopulateListTNs; |
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277 |
|
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if (iTimer) |
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279 |
{ |
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iTimer->Cancel(); |
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281 |
} |
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282 |
|
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if (iPopulateListTNs) |
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284 |
{ |
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iTimer->Start(KInitialThumbnailsTimeDelay, KInitialThumbnailsTimeDelay, |
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TCallBack(IsTimeL,this)); |
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287 |
} |
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288 |
else |
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289 |
{ |
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iTimer->Start(KThumbnailStartTimeDelay, KThumbnailIntervalTimeDelay, |
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TCallBack(IsTimeL,this)); |
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292 |
} |
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293 |
} |
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294 |
|
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// ---------------------------------------------------------------------------- |
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// HasFirstThumbnail |
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297 |
// ---------------------------------------------------------------------------- |
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298 |
// |
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TBool CGlxPreviewThumbnailBinding::HasFirstThumbnail( const RArray< TMPXAttribute >& aAttributes ) |
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300 |
{ |
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TRACER("CGlxPreviewThumbnailBinding::HasFirstThumbnail"); |
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TMPXAttribute thumbnailAttribute(KGlxMediaIdThumbnail, |
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GlxFullThumbnailAttributeId( ETrue, |
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iGridIconSize.iWidth, |
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iGridIconSize.iHeight) ); |
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306 |
|
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TIdentityRelation< TMPXAttribute > match ( &TMPXAttribute::Match ); |
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return ( KErrNotFound != aAttributes.Find( thumbnailAttribute, match ) ); |
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309 |
} |
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310 |
// ---------------------------------------------------------------------------- |
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// HandleItemAddedL |
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// ---------------------------------------------------------------------------- |
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// |
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void CGlxPreviewThumbnailBinding::HandleItemAddedL( TInt /*aStartIndex*/, TInt |
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/*aEndIndex*/, MGlxMediaList* /*aList*/ ) |
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{ |
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} |
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|
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// ---------------------------------------------------------------------------- |
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// HandleItemRemoved |
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// ---------------------------------------------------------------------------- |
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// |
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void CGlxPreviewThumbnailBinding::HandleItemRemovedL( TInt /*aStartIndex*/, TInt |
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/*aEndIndex*/, MGlxMediaList* /*aList*/ ) |
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{ |
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|
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} |
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|
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// ---------------------------------------------------------------------------- |
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// HandleAttributesAvailableL |
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// Inside this function we are going to append the index for which we have valid |
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// thumbnails and when the number of available thumbnails become equal to the |
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// number of slots where thumbnail to be shown we go for updating them to visual |
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// item. |
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// ---------------------------------------------------------------------------- |
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// |
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void CGlxPreviewThumbnailBinding::HandleAttributesAvailableL( TInt aItemIndex, |
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const RArray<TMPXAttribute>& aAttributes, MGlxMediaList* /*aList*/ ) |
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{ |
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TRACER("CGlxPreviewThumbnailBinding::HandleAttributesAvailableL"); |
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341 |
|
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TMPXAttribute thumbnailAttribute(KGlxMediaIdThumbnail, |
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GlxFullThumbnailAttributeId( ETrue, iGridIconSize.iWidth, |
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iGridIconSize.iHeight ) ); |
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345 |
|
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TIdentityRelation< TMPXAttribute > match ( &TMPXAttribute::Match ); |
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347 |
|
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if (KErrNotFound != aAttributes.Find( thumbnailAttribute, match )) |
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{ |
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const TGlxMedia& item = iMediaList->Item( aItemIndex ); |
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const CGlxThumbnailAttribute* value = item.ThumbnailAttribute( |
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thumbnailAttribute ); |
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if (value) |
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{ |
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iPreviewItemCount.AppendL( aItemIndex ); |
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} |
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} |
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} |
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359 |
|
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// ---------------------------------------------------------------------------- |
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// HandleFocusChangedL |
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// ---------------------------------------------------------------------------- |
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// |
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void CGlxPreviewThumbnailBinding::HandleFocusChangedL( NGlxListDefs:: |
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TFocusChangeType /*aType*/, TInt /*aNewIndex*/, TInt /*aOldIndex*/, |
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MGlxMediaList* /*aList*/ ) |
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{ |
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|
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} |
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370 |
|
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// ---------- ------------------------------------------------------------------ |
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// HandleItemSelected |
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// ---------------------------------------------------------------------------- |
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374 |
// |
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void CGlxPreviewThumbnailBinding::HandleItemSelectedL(TInt /*aIndex*/, |
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TBool /*aSelected*/, MGlxMediaList* /*aList*/ ) |
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377 |
{ |
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|
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} |
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380 |
|
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// ---------------------------------------------------------------------------- |
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// HandleMessageL |
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// ---------------------------------------------------------------------------- |
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384 |
// |
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void CGlxPreviewThumbnailBinding::HandleMessageL( const CMPXMessage& /*aMessage*/, |
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MGlxMediaList* /*aList*/ ) |
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387 |
{ |
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388 |
|
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389 |
} |
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390 |
|
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// ---------------------------------------------------------------------------- |
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// HandleError |
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// ---------------------------------------------------------------------------- |
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394 |
// |
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void CGlxPreviewThumbnailBinding::HandleError( TInt /*aError*/ ) |
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396 |
{ |
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397 |
|
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398 |
} |
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399 |
|
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400 |
// ---------------------------------------------------------------------------- |
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// HandleCommandCompleteL |
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// ---------------------------------------------------------------------------- |
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403 |
// |
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void CGlxPreviewThumbnailBinding::HandleCommandCompleteL( CMPXCommand* |
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/*aCommandResult*/, |
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TInt /*aError*/, MGlxMediaList* /*aList*/ ) |
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407 |
{ |
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408 |
|
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409 |
} |
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410 |
|
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411 |
// ---------------------------------------------------------------------------- |
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412 |
// HandleMediaL |
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413 |
// ---------------------------------------------------------------------------- |
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414 |
// |
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415 |
void CGlxPreviewThumbnailBinding::HandleMediaL( TInt /*aListIndex*/, |
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416 |
MGlxMediaList* /*aList*/ ) |
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// ---------------------------------------------------------------------------- |
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// HandleItemModifiedL |
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// ---------------------------------------------------------------------------- |
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// |
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void CGlxPreviewThumbnailBinding::HandleItemModifiedL( const RArray<TInt>& |
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/*aItemIndexes*/, |
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MGlxMediaList* /*aList*/ ) |
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} |