author | hgs |
Mon, 23 Aug 2010 13:32:17 +0300 | |
changeset 39 | 1a8af2cd6858 |
parent 30 | b67379558a75 |
child 41 | 9d4d3445ce6e |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2006-2007 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: Base class for thumbnail server tasks |
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* |
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*/ |
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#include <e32base.h> |
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#include <fbs.h> |
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#include "thumbnailtask.h" |
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#include "thumbnailtaskprocessor.h" |
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#include "thumbnailprovider.h" |
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#include "thumbnaillog.h" |
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#include "thumbnailpanic.h" |
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#include "thumbnailserversession.h" // ConvertSqlErrToE32Err() |
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#include "thumbnailmanagerconstants.h" |
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#include "OstTraceDefinitions.h" |
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#ifdef OST_TRACE_COMPILER_IN_USE |
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#include "thumbnailtaskTraces.h" |
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#endif |
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// ======== MEMBER FUNCTIONS ======== |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::CThumbnailTask() |
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// C++ default constructor can NOT contain any code, that might leave. |
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// --------------------------------------------------------------------------- |
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// |
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CThumbnailTask::CThumbnailTask( CThumbnailTaskProcessor& aProcessor, TInt |
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aPriority ): CActive( EPriorityStandard ), iProcessor( aProcessor ), |
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iPriority( aPriority ), iState( EIdle ) |
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{ |
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TN_DEBUG2( "CThumbnailTask(0x%08x)::CThumbnailTask()", this); |
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CActiveScheduler::Add( this ); |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::~CThumbnailTask() |
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// Destructor. |
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// --------------------------------------------------------------------------- |
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// |
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CThumbnailTask::~CThumbnailTask() |
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{ |
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Cancel(); |
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CancelMessage(); |
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iClientThread.Close(); |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::Priority() |
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// Returns priority of task. |
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// --------------------------------------------------------------------------- |
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// |
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TInt CThumbnailTask::Priority()const |
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{ |
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return iPriority; |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::State() |
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// Returns state of task. |
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// --------------------------------------------------------------------------- |
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// |
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CThumbnailTask::TTaskState CThumbnailTask::State()const |
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{ |
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return iState; |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::StartL() |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::StartL() |
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{ |
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TN_DEBUG3( "CThumbnailTask(0x%08x)::StartL() iState == %d ", this, iState ); |
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OstTrace1( TRACE_NORMAL, CTHUMBNAILTASK_STARTL, "CThumbnailTask::StartL;this=%o", this ); |
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OstTrace1( TRACE_NORMAL, DUP1_CTHUMBNAILTASK_STARTL, "CThumbnailTask::StartL;iState=%u", iState ); |
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__ASSERT_DEBUG(( iState != ERunning ), ThumbnailPanic( EThumbnailAlreadyRunning )); |
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iState = ERunning; |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::DoCancel() |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::DoCancel() |
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{ |
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// No implementation required |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::Complete() |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::Complete( TInt aReason ) |
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{ |
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TN_DEBUG4( "CThumbnailTask(0x%08x)::Complete(aReason=%d) iState was %d", |
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this, aReason, iState ); |
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OstTrace1( TRACE_NORMAL, CTHUMBNAILTASK_COMPLETE, "CThumbnailTask::Complete;this=%o", this ); |
120 |
OstTraceExt2( TRACE_NORMAL, DUP1_CTHUMBNAILTASK_COMPLETE, "CThumbnailTask::Complete;aReason=%d;iState=%u", aReason, iState ); |
|
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if ( iState != EComplete ) |
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{ |
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iState = EComplete; |
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if ( ClientThreadAlive() ) |
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{ |
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if( iMessage.Identity() == KDaemonUid ) |
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{ |
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iProcessor.SetDaemonAsProcess(ETrue); |
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} |
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else |
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{ |
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iProcessor.SetDaemonAsProcess(EFalse); |
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} |
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|
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iMessage.Complete( CThumbnailServerSession::ConvertSqlErrToE32Err( aReason )); |
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} |
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ResetMessageData(); |
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|
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iProcessor.TaskComplete( this ); |
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} |
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} |
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|
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::Continue() |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::Continue() |
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{ |
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if ( iState != EComplete ) |
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{ |
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iState = EIdle; |
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} |
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|
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iProcessor.TaskComplete( this ); |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::StartError() |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::StartError( TInt aError ) |
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{ |
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// This is called if StartL() left. Complete this task with an error and |
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// continue processing. |
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TN_DEBUG3( "CThumbnailTask(0x%08x)::StartError(aError=%d)", this, aError ); |
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OstTrace1( TRACE_NORMAL, CTHUMBNAILTASK_STARTERROR, "CThumbnailTask::StartError;this=%o", this ); |
170 |
OstTrace1( TRACE_NORMAL, DUP1_CTHUMBNAILTASK_STARTERROR, "CThumbnailTask::StartError;aError=%d", aError ); |
|
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||
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Complete( aError ); |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::ChangeTaskPriority() |
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// Changes priority of the task. |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::ChangeTaskPriority( TInt aNewPriority ) |
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{ |
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iPriority = aNewPriority; |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::SetMessageData() |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::SetMessageData( const TThumbnailServerRequestId& |
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aRequestId, const RMessage2& aMessage, const RThread& aClientThread ) |
0
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{ |
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iMessage = aMessage; |
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iRequestId = aRequestId; |
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|
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if ( iMessage.Handle()) |
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{ |
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// copy client thread handle |
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iClientThread.Duplicate(aClientThread); |
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} |
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else |
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{ |
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TN_DEBUG2( "CThumbnailTask(0x%08x)::ClientThreadAlive() - message null", this); |
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OstTrace1( TRACE_NORMAL, CTHUMBNAILTASK_SETMESSAGEDATA, "CThumbnailTask::SetMessageData - message null;this=%o", this ); |
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} |
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} |
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|
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::SetMessageData() |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::SetMessageData( const TThumbnailServerRequestId& |
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aRequestId ) |
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{ |
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iMessage = RMessage2(); |
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iRequestId = aRequestId; |
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} |
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|
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|
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::ResetMessageData() |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::ResetMessageData() |
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{ |
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iMessage = RMessage2(); |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::ResetMessageData() |
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// Returns id of specific task. |
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// --------------------------------------------------------------------------- |
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// |
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TThumbnailServerRequestId CThumbnailTask::RequestId()const |
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{ |
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return iRequestId; |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::CancelMessage() |
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// --------------------------------------------------------------------------- |
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// |
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void CThumbnailTask::CancelMessage() |
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{ |
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if ( ClientThreadAlive() ) |
0
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{ |
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iMessage.Complete( KErrCancel ); |
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} |
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ResetMessageData(); |
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} |
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// --------------------------------------------------------------------------- |
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// CThumbnailTask::ClientThreadAlive() |
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// Checks if client thread is still alive and RMessage2 handle valid. |
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// --------------------------------------------------------------------------- |
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// |
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TBool CThumbnailTask::ClientThreadAlive(const TBool aGetThread) |
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{ |
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TN_DEBUG1( "CThumbnailTask::ClientThreadAlive()"); |
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OstTrace0( TRACE_NORMAL, CTHUMBNAILTASK_CLIENTTHREADALIVE, "CThumbnailTask::ClientThreadAlive" ); |
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if ( iMessage.Handle()) |
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{ |
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if (aGetThread) |
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{ |
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// get client thread |
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TInt err = iMessage.Client( iClientThread ); |
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if (err != KErrNone) |
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{ |
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TN_DEBUG2( "CThumbnailTask(0x%08x)::ClientThreadAlive() - client thread not found", this); |
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OstTrace1( TRACE_NORMAL, DUP1_CTHUMBNAILTASK_CLIENTTHREADALIVE, "CThumbnailTask::ClientThreadAlive - client thread not found;this=%o", this ); |
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ResetMessageData(); |
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return EFalse; |
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} |
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} |
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|
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// check if client thread alive |
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TExitType exitType = iClientThread.ExitType(); |
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if( exitType != EExitPending ) |
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{ |
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TN_DEBUG2( "CThumbnailTask(0x%08x)::ClientThreadAlive() - client thread died", this); |
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OstTrace1( TRACE_NORMAL, DUP2_CTHUMBNAILTASK_CLIENTTHREADALIVE, "CThumbnailTask::ClientThreadAlive - client thread died;this=%o", this ); |
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|
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ResetMessageData(); |
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|
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return EFalse; |
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} |
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else |
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{ |
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// all OK |
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return ETrue; |
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} |
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} |
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else |
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{ |
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return EFalse; |
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} |
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} |
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|
0
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// End of file |