author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Feb 2010 22:50:26 +0200 | |
branch | RCL_3 |
changeset 3 | 8871b09be73b |
parent 0 | 5f000ab63145 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2002 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 loading implementation. |
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* |
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*/ |
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|
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|
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// INCLUDE FILES |
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#include "CPhCntThumbnailLoaderImpl.h" |
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#include "MPhoneCntPbkOwner.h" |
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#include "MPhCntThumbnailLoaderObserver.h" |
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#include "cphcntcontactid.h" |
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#include "cphcntpbkcontactid.h" |
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#include "cphcntpbkthumbnailloader.h" |
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|
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#include <CPbkContactItem.h> |
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#include <CPbkContactEngine.h> |
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#include <CPbkThumbnailManager.h> |
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#include <fbs.h> |
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|
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// CONSTANTS |
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|
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// Granularity of thumbnail array. |
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const TInt KPhoneThumbnailArrayGranularity = 5; |
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|
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// Maximum amount of thumbnails. |
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const TInt KPhoneThumbnailMax = 20; |
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|
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// Panic literal for thumbnail related panics. |
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_LIT( KPhCntThumbnailLoaderPanic, "PhCntThumb" ); |
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// ============================ MEMBER FUNCTIONS =============================== |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::NewL |
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// Two-phased constructor. |
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// ----------------------------------------------------------------------------- |
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// |
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CPhCntThumbnailLoaderImpl* CPhCntThumbnailLoaderImpl::NewL( |
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MPhCntThumbnailLoaderObserver& aObserver, |
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MPhoneCntPbkOwner& aPbkOwner, |
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MPhCntThumbnailLoader& aLoader ) |
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{ |
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CPhCntThumbnailLoaderImpl* self = |
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new ( ELeave ) CPhCntThumbnailLoaderImpl( |
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aObserver, |
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aPbkOwner, |
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aLoader ); |
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|
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CleanupStack::PushL( self ); |
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self->ConstructL( aPbkOwner ); |
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CleanupStack::Pop(); |
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return self; |
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} |
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::~CPhCntThumbnailLoaderImpl |
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// ----------------------------------------------------------------------------- |
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// |
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CPhCntThumbnailLoaderImpl::~CPhCntThumbnailLoaderImpl() |
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{ |
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delete iBitmap; |
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ClearThumbnailArray(); |
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iArray.Close(); |
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delete iLoader; |
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delete iBridge; |
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} |
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::Load |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CPhCntThumbnailLoaderImpl::Load( |
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TThumbnailId& aId, |
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const CPhCntContactId& aContactId ) |
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{ |
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// If condition doesn't hold, then definitely something is badly |
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// wrong. |
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if ( iArray.Count() < KPhoneThumbnailMax ) |
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{ |
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TRAPD( err, AttemptLoadL( aId, aContactId ) ); |
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if ( err != KErrNone ) |
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{ |
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aId = KPhCntThumbnailNullId; |
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} |
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return err; |
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} |
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else |
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{ |
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aId = KPhCntThumbnailNullId; |
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return KErrNotFound; |
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} |
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} |
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::Cancel |
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// ----------------------------------------------------------------------------- |
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// |
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void CPhCntThumbnailLoaderImpl::Cancel( |
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TThumbnailId aId ) |
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{ |
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TInt index = FindById( aId ); |
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|
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// If not found, then we can ignore the call. |
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if ( index == KErrNotFound ) |
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{ |
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return; |
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} |
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123 |
|
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// Remove thumbnail loading information from array. |
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RemoveThumbnailArrayEntry( index ); |
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126 |
|
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// If we are currently loading this, then cancel loading. |
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if ( iCurrent != KPhCntThumbnailNullId && aId == iCurrent ) |
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{ |
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CancelLoad(); |
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} |
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132 |
|
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if ( iCurrent == KPhCntThumbnailNullId && iArray.Count() ) |
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{ |
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Start( ELoadFromContact ); |
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} |
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} |
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138 |
|
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void CPhCntThumbnailLoaderImpl::LoadingCompleted( |
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CFbsBitmap* aBitmap, |
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TInt aResult ) |
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{ |
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if( aResult == KErrNone ) |
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{ |
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if ( iCurrent != KPhCntThumbnailNullId ) |
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{ |
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|
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iBitmap = aBitmap; |
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Start( EProcessResult ); |
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} |
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else |
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152 |
{ |
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delete aBitmap; |
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} |
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} |
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else |
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157 |
{ |
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if ( iCurrent != KPhCntThumbnailNullId ) |
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{ |
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TThumbnailId old = iCurrent; |
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|
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Cancel( old ); |
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Notify( old, aResult, NULL ); |
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} |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::CPhCntThumbnailLoaderImpl |
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// C++ constructor can NOT contain any code, that |
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// might leave. |
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// ----------------------------------------------------------------------------- |
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// |
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CPhCntThumbnailLoaderImpl::CPhCntThumbnailLoaderImpl( |
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MPhCntThumbnailLoaderObserver& aObserver, |
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MPhoneCntPbkOwner& /*aPbkOwner*/, |
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MPhCntThumbnailLoader& aLoader ) |
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: iObserver( aObserver ), |
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iArray( KPhoneThumbnailArrayGranularity ), |
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iCurrent( KPhCntThumbnailNullId ), |
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iLoader( &aLoader ) |
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{ |
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} |
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184 |
|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::ConstructL |
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// Symbian 2nd phase constructor can leave. |
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// ----------------------------------------------------------------------------- |
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189 |
// |
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void CPhCntThumbnailLoaderImpl::ConstructL( |
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MPhoneCntPbkOwner& /*aPbkOwner*/ ) |
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{ |
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iBridge = |
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CIdle::NewL( |
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CActive::EPriorityStandard ); |
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} |
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197 |
|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::AttemptLoadL |
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// ----------------------------------------------------------------------------- |
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201 |
// |
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void CPhCntThumbnailLoaderImpl::AttemptLoadL( |
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TThumbnailId aId, |
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const CPhCntContactId& aContactId ) |
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{ |
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// Create new thumbnail information. |
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TThumbnailInfo info; |
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info.iId = aId; |
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info.iContactId = aContactId.CloneL(); |
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User::LeaveIfError( iArray.Append( info ) ); |
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211 |
|
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// If there were no items, then we can start loading the first image. |
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if ( iCurrent == KPhCntThumbnailNullId ) |
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{ |
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Start( ELoadFromContact ); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::StartLoadL |
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// ----------------------------------------------------------------------------- |
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// |
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void CPhCntThumbnailLoaderImpl::StartLoadL() |
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{ |
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if ( !iArray.Count() ) |
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{ |
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return; |
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} |
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|
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TThumbnailInfo& info = iArray[ 0 ]; // first |
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iCurrent = info.iId; |
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|
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// Clear pbk |
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ClearPbk( ETrue ); |
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|
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iLoader->LoadL( *info.iContactId, *this ); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::CancelLoad |
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// ----------------------------------------------------------------------------- |
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// |
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void CPhCntThumbnailLoaderImpl::CancelLoad() |
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{ |
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iCurrent = KPhCntThumbnailNullId; |
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|
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delete iBitmap; |
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iBitmap = NULL; |
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|
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ClearPbk( iArray.Count() ); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::ProcessResultL |
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// ----------------------------------------------------------------------------- |
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// |
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void CPhCntThumbnailLoaderImpl::ProcessResultL() |
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{ |
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if ( iCurrent == KPhCntThumbnailNullId ) |
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{ |
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return; |
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} |
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263 |
|
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if ( !iBitmap ) |
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{ |
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User::Leave( KErrNotFound ); |
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} |
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else |
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269 |
{ |
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CFbsBitmap* bitmap = iBitmap; |
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iBitmap = NULL; |
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TThumbnailId old = iCurrent; |
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Cancel( iCurrent ); |
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Notify( old, KErrNone, bitmap ); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::HandleStartL |
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// ----------------------------------------------------------------------------- |
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281 |
// |
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void CPhCntThumbnailLoaderImpl::HandleStartL() |
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283 |
{ |
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switch ( iState ) |
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285 |
{ |
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case ELoadFromContact: |
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StartLoadL(); |
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break; |
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289 |
|
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case EProcessResult: |
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ProcessResultL(); |
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break; |
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293 |
|
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default: |
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295 |
Panic( EPanicInvalidState ); |
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break; |
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297 |
} |
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298 |
} |
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299 |
|
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300 |
// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::HandleStart |
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302 |
// ----------------------------------------------------------------------------- |
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303 |
// |
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void CPhCntThumbnailLoaderImpl::HandleStart() |
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305 |
{ |
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TRAPD( err, HandleStartL() ); |
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307 |
|
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if ( err != KErrNone && iCurrent != KPhCntThumbnailNullId ) |
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309 |
{ |
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TThumbnailId old = iCurrent; |
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Cancel( iCurrent ); |
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Notify( old, err, NULL ); |
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313 |
} |
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314 |
} |
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315 |
|
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316 |
// ----------------------------------------------------------------------------- |
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317 |
// CPhCntThumbnailLoaderImpl::Start |
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318 |
// ----------------------------------------------------------------------------- |
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319 |
// |
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void CPhCntThumbnailLoaderImpl::Start( TState aState ) |
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321 |
{ |
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iState = aState; |
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323 |
iBridge->Cancel(); |
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iBridge->Start( TCallBack( DoStart, this ) ); |
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325 |
} |
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326 |
|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::DoStart |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CPhCntThumbnailLoaderImpl::DoStart( TAny* aAny ) |
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{ |
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CPhCntThumbnailLoaderImpl* loader = |
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static_cast< CPhCntThumbnailLoaderImpl* >( aAny ); |
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|
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loader->HandleStart(); |
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|
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return KErrNone; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::Notify |
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// ----------------------------------------------------------------------------- |
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// |
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void CPhCntThumbnailLoaderImpl::Notify( |
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TThumbnailId aId, |
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TInt aResult, |
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CFbsBitmap* aBitmap ) |
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{ |
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iObserver.MpctloThumbnailLoaded( aId, aResult, aBitmap ); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::ClearPbk |
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// ----------------------------------------------------------------------------- |
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// |
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void CPhCntThumbnailLoaderImpl::ClearPbk( TBool aMore ) |
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{ |
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|
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iLoader->Cancel(); |
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|
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if ( !aMore ) |
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{ |
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iLoader->Release(); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::FindById |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CPhCntThumbnailLoaderImpl::FindById( TThumbnailId aId ) |
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{ |
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TThumbnailInfo info; |
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info.iId = aId; |
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// info.iContactId doesn't matter. |
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|
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return |
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iArray.Find( |
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info, |
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TIdentityRelation<TThumbnailInfo>( CompareIds ) ); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::CompareIds |
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// ----------------------------------------------------------------------------- |
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// |
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TBool CPhCntThumbnailLoaderImpl::CompareIds( |
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const TThumbnailInfo& aFirst, |
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const TThumbnailInfo& aSecond ) |
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{ |
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return aFirst.iId == aSecond.iId; |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::Panic |
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// ----------------------------------------------------------------------------- |
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// |
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void CPhCntThumbnailLoaderImpl::Panic( |
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TPanicReason aReason ) |
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{ |
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User::Panic( KPhCntThumbnailLoaderPanic, aReason ); |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::ClearThumbnailArray |
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// ----------------------------------------------------------------------------- |
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408 |
// |
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void CPhCntThumbnailLoaderImpl::ClearThumbnailArray() |
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{ |
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const TInt count( iArray.Count() ); |
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for( TInt i = 0; i < count; i++ ) |
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{ |
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RemoveThumbnailArrayEntry( i ); |
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} |
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CPhCntThumbnailLoaderImpl::ClearThumbnailArrayEntry |
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// ----------------------------------------------------------------------------- |
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421 |
// |
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void CPhCntThumbnailLoaderImpl::RemoveThumbnailArrayEntry( TInt aIndex ) |
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{ |
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TThumbnailInfo info = iArray[aIndex]; |
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delete info.iContactId; |
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iArray.Remove( aIndex ); |
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} |
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|
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429 |
// End of File |