author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Mar 2010 09:28:13 +0200 | |
changeset 19 | 4e84c994a771 |
permissions | -rw-r--r-- |
19
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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 "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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|
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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 "mpxdbactivetask.h" |
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|
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// ============================ MEMBER FUNCTIONS ============================= |
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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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CMPXDbActiveTask::CMPXDbActiveTask( MMPXDbActiveTaskObserver& aObserver ) : |
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CActive( CActive::EPriorityStandard ), |
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iObserver( aObserver ) |
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{ |
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MPX_FUNC("CMPXDbActiveTask::CMPXDbActiveTask"); |
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CActiveScheduler::Add( this ); |
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} |
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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 CMPXDbActiveTask::ConstructL() |
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{ |
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MPX_FUNC("CMPXDbActiveTask::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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EXPORT_C CMPXDbActiveTask* CMPXDbActiveTask::NewL( MMPXDbActiveTaskObserver& aObserver ) |
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{ |
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MPX_FUNC("CMPXDbActiveTask::NewL"); |
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|
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CMPXDbActiveTask* self = new(ELeave) CMPXDbActiveTask( 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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EXPORT_C CMPXDbActiveTask::~CMPXDbActiveTask() |
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{ |
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MPX_FUNC("CMPXDbActiveTask::~CMPXDbActiveTask"); |
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|
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Cancel(); |
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delete iChangeMessages; |
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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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EXPORT_C void CMPXDbActiveTask::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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delete iChangeMessages; |
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iChangeMessages = NULL; |
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iChangeMessages = CMPXMessageArray::NewL(); |
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iCurVisibleChange = ENotVisibile; |
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|
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// Start the AO |
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iStatus = KRequestPending; |
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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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// --------------------------------------------------------------------------- |
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// Get the current step |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C TInt CMPXDbActiveTask::GetStep() |
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{ |
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MPX_FUNC("CMPXDbActiveTask::GetStep"); |
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return iCurStep; |
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} |
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107 |
|
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// --------------------------------------------------------------------------- |
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// Get the current task |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C TMPXCommandId CMPXDbActiveTask::GetTask() |
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{ |
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MPX_FUNC("CMPXDbActiveTask::GetTask"); |
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return iCurTask; |
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} |
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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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EXPORT_C CMPXMedia& CMPXDbActiveTask::GetCommand() |
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{ |
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MPX_FUNC("CMPXDbActiveTask::GetCommand"); |
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return *iCurCommand; |
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} |
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127 |
|
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// --------------------------------------------------------------------------- |
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// Get the current change messages |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C CMPXMessageArray& CMPXDbActiveTask::GetChangeMessages() |
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{ |
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MPX_FUNC("CMPXDbActiveTask::GetChangeMessages"); |
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return *iChangeMessages; |
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} |
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137 |
|
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// --------------------------------------------------------------------------- |
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// Set the visible change flag |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C void CMPXDbActiveTask::SetVisibleChange( TChangeVisibility aChange ) |
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{ |
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MPX_FUNC("CMPXDbActiveTask::SetVisibleChange"); |
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iCurVisibleChange = aChange; |
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} |
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|
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// --------------------------------------------------------------------------- |
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// Get the visible change flag |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C CMPXDbActiveTask::TChangeVisibility CMPXDbActiveTask::GetVisibleChange() |
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{ |
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MPX_FUNC("CMPXDbActiveTask::GetVisibleChange"); |
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return iCurVisibleChange; |
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} |
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157 |
|
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// --------------------------------------------------------------------------- |
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// From CActive |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C void CMPXDbActiveTask::RunL() |
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{ |
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MPX_FUNC("CMPXDbActiveTask::RunL"); |
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|
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// ETrue is done, EFalse is more to do |
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// |
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if( iObserver.HandleStepL() ) |
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{ |
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iObserver.HandleOperationCompleted( KErrNone ); |
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delete iCurCommand; |
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iCurCommand = NULL; |
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delete iChangeMessages; |
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iChangeMessages = NULL; |
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} |
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else |
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{ |
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++iCurStep; |
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iStatus = KRequestPending; |
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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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|
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// --------------------------------------------------------------------------- |
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// From CActive |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C void CMPXDbActiveTask::DoCancel() |
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{ |
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MPX_FUNC("CMPXDbActiveTask::DoCancel"); |
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|
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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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iChangeMessages->Reset(); |
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} |
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200 |
|
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// --------------------------------------------------------------------------- |
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// From CActive |
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// --------------------------------------------------------------------------- |
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// |
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EXPORT_C TInt CMPXDbActiveTask::RunError( TInt aError ) |
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{ |
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MPX_FUNC("CMPXDbActiveTask::RunError"); |
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|
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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; |
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iChangeMessages->Reset(); |
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214 |
|
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return KErrNone; |
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} |
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|
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// END OF FILE |