--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mpserviceplugins/mpxsqlitedbcommon/src/mpxdbactivetask.cpp Fri Mar 19 09:28:13 2010 +0200
@@ -0,0 +1,218 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Active object to split up long running db tasks
+*
+*/
+
+
+// INCLUDE FILES
+#include <e32base.h>
+#include <mpxlog.h>
+#include "mpxdbactivetask.h"
+
+// ============================ MEMBER FUNCTIONS =============================
+
+// ---------------------------------------------------------------------------
+// Constructor
+// ---------------------------------------------------------------------------
+//
+CMPXDbActiveTask::CMPXDbActiveTask( MMPXDbActiveTaskObserver& aObserver ) :
+ CActive( CActive::EPriorityStandard ),
+ iObserver( aObserver )
+ {
+ MPX_FUNC("CMPXDbActiveTask::CMPXDbActiveTask");
+ CActiveScheduler::Add( this );
+ }
+
+// ---------------------------------------------------------------------------
+// 2nd-phase constructor
+// ---------------------------------------------------------------------------
+//
+void CMPXDbActiveTask::ConstructL()
+ {
+ MPX_FUNC("CMPXDbActiveTask::ConstructL");
+ }
+
+// ---------------------------------------------------------------------------
+// Two-Phase Constructor
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CMPXDbActiveTask* CMPXDbActiveTask::NewL( MMPXDbActiveTaskObserver& aObserver )
+ {
+ MPX_FUNC("CMPXDbActiveTask::NewL");
+
+ CMPXDbActiveTask* self = new(ELeave) CMPXDbActiveTask( aObserver);
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// ---------------------------------------------------------------------------
+// Destructor
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CMPXDbActiveTask::~CMPXDbActiveTask()
+ {
+ MPX_FUNC("CMPXDbActiveTask::~CMPXDbActiveTask");
+
+ Cancel();
+ delete iChangeMessages;
+ delete iCurCommand;
+ }
+
+// ---------------------------------------------------------------------------
+// Start the operation
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CMPXDbActiveTask::StartL( TMPXCommandId aTask, const CMPXCommand& aCommand )
+ {
+ delete iCurCommand;
+ iCurCommand = NULL;
+ iCurCommand = CMPXMedia::NewL( aCommand );
+ iCurTask = aTask;
+ iCurStep = 0;
+ delete iChangeMessages;
+ iChangeMessages = NULL;
+ iChangeMessages = CMPXMessageArray::NewL();
+ iCurVisibleChange = ENotVisibile;
+
+ // Start the AO
+ iStatus = KRequestPending;
+ SetActive();
+ TRequestStatus* status = &iStatus;
+ User::RequestComplete( status, KErrNone );
+ }
+
+// ---------------------------------------------------------------------------
+// Get the current step
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CMPXDbActiveTask::GetStep()
+ {
+ MPX_FUNC("CMPXDbActiveTask::GetStep");
+ return iCurStep;
+ }
+
+// ---------------------------------------------------------------------------
+// Get the current task
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TMPXCommandId CMPXDbActiveTask::GetTask()
+ {
+ MPX_FUNC("CMPXDbActiveTask::GetTask");
+ return iCurTask;
+ }
+
+// ---------------------------------------------------------------------------
+// Get the current media
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CMPXMedia& CMPXDbActiveTask::GetCommand()
+ {
+ MPX_FUNC("CMPXDbActiveTask::GetCommand");
+ return *iCurCommand;
+ }
+
+// ---------------------------------------------------------------------------
+// Get the current change messages
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CMPXMessageArray& CMPXDbActiveTask::GetChangeMessages()
+ {
+ MPX_FUNC("CMPXDbActiveTask::GetChangeMessages");
+ return *iChangeMessages;
+ }
+
+// ---------------------------------------------------------------------------
+// Set the visible change flag
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CMPXDbActiveTask::SetVisibleChange( TChangeVisibility aChange )
+ {
+ MPX_FUNC("CMPXDbActiveTask::SetVisibleChange");
+ iCurVisibleChange = aChange;
+ }
+
+// ---------------------------------------------------------------------------
+// Get the visible change flag
+// ---------------------------------------------------------------------------
+//
+EXPORT_C CMPXDbActiveTask::TChangeVisibility CMPXDbActiveTask::GetVisibleChange()
+ {
+ MPX_FUNC("CMPXDbActiveTask::GetVisibleChange");
+ return iCurVisibleChange;
+ }
+
+// ---------------------------------------------------------------------------
+// From CActive
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CMPXDbActiveTask::RunL()
+ {
+ MPX_FUNC("CMPXDbActiveTask::RunL");
+
+ // ETrue is done, EFalse is more to do
+ //
+ if( iObserver.HandleStepL() )
+ {
+ iObserver.HandleOperationCompleted( KErrNone );
+ delete iCurCommand;
+ iCurCommand = NULL;
+ delete iChangeMessages;
+ iChangeMessages = NULL;
+ }
+ else
+ {
+ ++iCurStep;
+ iStatus = KRequestPending;
+ SetActive();
+ TRequestStatus* status = &iStatus;
+ User::RequestComplete( status, KErrNone );
+ }
+ }
+
+// ---------------------------------------------------------------------------
+// From CActive
+// ---------------------------------------------------------------------------
+//
+EXPORT_C void CMPXDbActiveTask::DoCancel()
+ {
+ MPX_FUNC("CMPXDbActiveTask::DoCancel");
+
+ // Callback and cleanup
+ iObserver.HandleOperationCompleted( KErrCancel );
+ delete iCurCommand;
+ iCurCommand = NULL;
+ iChangeMessages->Reset();
+ }
+
+// ---------------------------------------------------------------------------
+// From CActive
+// ---------------------------------------------------------------------------
+//
+EXPORT_C TInt CMPXDbActiveTask::RunError( TInt aError )
+ {
+ MPX_FUNC("CMPXDbActiveTask::RunError");
+
+ // Callback and cleanup
+ iObserver.HandleOperationCompleted( aError );
+ delete iCurCommand;
+ iCurCommand = NULL;
+ iChangeMessages->Reset();
+
+ return KErrNone;
+ }
+
+// END OF FILE