author | hgs |
Fri, 16 Apr 2010 18:13:14 +0300 | |
changeset 36 | 8aed59de29f9 |
parent 34 | bbb98528c666 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 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 the License "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: Active object to split up long running db tasks* |
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*/ |
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|
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// INCLUDE FILES |
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#include <e32base.h> |
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#include <mpxlog.h> |
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#include "vcxmyvideosactivetask.h" |
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// ============================ MEMBER FUNCTIONS ============================= |
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// --------------------------------------------------------------------------- |
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// Constructor |
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// --------------------------------------------------------------------------- |
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// |
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CVcxMyVideosActiveTask::CVcxMyVideosActiveTask( MVcxMyVideosActiveTaskObserver& aObserver ) : |
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CActive( CActive::EPriorityStandard ), |
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iObserver( aObserver ) |
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{ |
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CActiveScheduler::Add( this ); |
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} |
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// --------------------------------------------------------------------------- |
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// 2nd-phase constructor |
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// --------------------------------------------------------------------------- |
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// |
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void CVcxMyVideosActiveTask::ConstructL() |
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{ |
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} |
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// --------------------------------------------------------------------------- |
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// Two-Phase Constructor |
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// --------------------------------------------------------------------------- |
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// |
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CVcxMyVideosActiveTask* CVcxMyVideosActiveTask::NewL( MVcxMyVideosActiveTaskObserver& aObserver ) |
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{ |
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CVcxMyVideosActiveTask* self = new(ELeave) CVcxMyVideosActiveTask( aObserver); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop( self ); |
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return self; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Destructor |
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// --------------------------------------------------------------------------- |
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// |
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CVcxMyVideosActiveTask::~CVcxMyVideosActiveTask() |
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{ |
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Cancel(); |
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delete iCurCommand; |
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} |
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// --------------------------------------------------------------------------- |
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// Start the operation |
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// --------------------------------------------------------------------------- |
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// |
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void CVcxMyVideosActiveTask::StartL( TMPXCommandId aTask, const CMPXCommand& aCommand ) |
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{ |
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delete iCurCommand; |
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iCurCommand = NULL; |
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iCurCommand = CMPXMedia::NewL( aCommand ); |
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iCurTask = aTask; |
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iCurStep = 0; |
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// Start the AO |
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iStatus = KRequestPending; |
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MPX_DEBUG1("CVcxMyVideosActiveTask::StartL SetActive"); |
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SetActive(); |
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TRequestStatus* status = &iStatus; |
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User::RequestComplete( status, KErrNone ); |
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} |
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// --------------------------------------------------------------------------- |
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// Get the current step |
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// --------------------------------------------------------------------------- |
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// |
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TInt CVcxMyVideosActiveTask::GetStep() |
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{ |
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return iCurStep; |
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} |
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// --------------------------------------------------------------------------- |
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// Get the current task |
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// --------------------------------------------------------------------------- |
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// |
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TMPXCommandId CVcxMyVideosActiveTask::GetTask() |
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{ |
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return iCurTask; |
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} |
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// --------------------------------------------------------------------------- |
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// Get the current media |
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// --------------------------------------------------------------------------- |
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// |
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CMPXMedia& CVcxMyVideosActiveTask::GetCommand() |
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{ |
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return *iCurCommand; |
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} |
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|
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// --------------------------------------------------------------------------- |
34 | 116 |
// Get the current media |
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// --------------------------------------------------------------------------- |
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// |
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CMPXMedia* CVcxMyVideosActiveTask::Command() |
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{ |
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return iCurCommand; |
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} |
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||
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// --------------------------------------------------------------------------- |
|
0
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// From CActive |
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// --------------------------------------------------------------------------- |
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// |
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void CVcxMyVideosActiveTask::RunL() |
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{ |
36 | 130 |
MPX_DEBUG1("CVcxMyVideosActiveTask::RunL() start"); |
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||
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switch ( iObserver.HandleStepL() ) |
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{ |
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case MVcxMyVideosActiveTaskObserver::EDone: |
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Done(); |
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break; |
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||
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case MVcxMyVideosActiveTaskObserver::EMoreToCome: |
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ContinueStepping(); |
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break; |
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||
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//observer is responsible for calling Done, Cancel or ContinueStepping |
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case MVcxMyVideosActiveTaskObserver::EStopStepping: |
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MPX_DEBUG1("CVcxMyVideosActiveTask::RunL stopped stepping"); |
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iStopped = ETrue; |
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break; |
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} |
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MPX_DEBUG1("CVcxMyVideosActiveTask::RunL() exit"); |
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} |
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// --------------------------------------------------------------------------- |
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// CVcxMyVideosActiveTask::Done |
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// --------------------------------------------------------------------------- |
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// |
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void CVcxMyVideosActiveTask::Done() |
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{ |
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MPX_DEBUG1("CVcxMyVideosActiveTask::Done() start"); |
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iObserver.HandleOperationCompleted( KErrNone ); |
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delete iCurCommand; |
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iCurCommand = NULL; |
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iStopped = EFalse; |
34 | 163 |
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MPX_DEBUG1("CVcxMyVideosActiveTask::Done() exit"); |
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} |
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||
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// --------------------------------------------------------------------------- |
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// CVcxMyVideosActiveTask::ContinueStepping |
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// --------------------------------------------------------------------------- |
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// |
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void CVcxMyVideosActiveTask::ContinueStepping() |
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{ |
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++iCurStep; |
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iStatus = KRequestPending; |
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36 | 175 |
MPX_DEBUG1("CVcxMyVideosActiveTask::ContinueStepping SetActive"); |
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SetActive(); |
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iStopped = EFalse; |
34 | 178 |
TRequestStatus* status = &iStatus; |
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User::RequestComplete( status, KErrNone ); |
|
0
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} |
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|
36 | 182 |
void CVcxMyVideosActiveTask::Cancel() |
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{ |
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if ( iStopped && !IsActive() ) |
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{ |
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MPX_DEBUG1("CVcxMyVideosActiveTask:: was paused, calling DoCancel()"); |
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DoCancel(); |
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} |
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else |
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{ |
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MPX_DEBUG1("CVcxMyVideosActiveTask:: wasn't paused, calling CActive::Cancel() normally"); |
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CActive::Cancel(); |
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} |
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} |
|
0
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// --------------------------------------------------------------------------- |
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// From CActive |
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// --------------------------------------------------------------------------- |
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// |
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void CVcxMyVideosActiveTask::DoCancel() |
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{ |
36 | 201 |
MPX_DEBUG1("CVcxMyVideosActiveTask::DoCancel() start"); |
0
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// Callback and cleanup |
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iObserver.HandleOperationCompleted( KErrCancel ); |
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delete iCurCommand; |
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iCurCommand = NULL; |
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iStopped = EFalse; |
207 |
MPX_DEBUG1("CVcxMyVideosActiveTask::DoCancel() exit"); |
|
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} |
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|
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// --------------------------------------------------------------------------- |
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// From CActive |
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// --------------------------------------------------------------------------- |
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// |
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TInt CVcxMyVideosActiveTask::RunError( TInt aError ) |
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{ |
36 | 216 |
MPX_DEBUG1("CVcxMyVideosActiveTask::RunError() start"); |
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||
0
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// Callback and cleanup |
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iObserver.HandleOperationCompleted( aError ); |
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delete iCurCommand; |
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iCurCommand = NULL; |
36 | 222 |
iStopped = EFalse; |
0
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|
36 | 224 |
MPX_DEBUG1("CVcxMyVideosActiveTask::RunError() exit"); |
0
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return KErrNone; |
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} |
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|
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// END OF FILE |