--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvuieng/EngSrc/CCABackgroundTask.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,281 @@
+/*
+* Copyright (c) 2002-2005 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:  This is encapsulation of a background task, part of CCARequestMapper
+*
+*/
+
+
+// INCLUDE FILES
+#include "CCABackgroundTask.h"			// Own header
+#include "MCABackgroundCallback.h"
+#include "MCABackgroundTask.h"
+
+#include <e32base.h>
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCABackgroundTask* CCABackgroundTask::NewL(
+    MCABackgroundCallback* aParent
+    , MCABackgroundTask* aBackgroundTask
+    , MCABackgroundInterface::TCABackgroundTasks aTask
+    , TInt aSubTasks
+)
+    {
+
+    CCABackgroundTask* self = CCABackgroundTask::NewLC( aParent
+                                                        , aBackgroundTask
+                                                        , aTask
+                                                        , aSubTasks
+                                                      );
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CCABackgroundTask* CCABackgroundTask::NewLC(
+    MCABackgroundCallback* aParent
+    , MCABackgroundTask* aBackgroundTask
+    , MCABackgroundInterface::TCABackgroundTasks aTask
+    , TInt aSubTasks
+)
+    {
+    if ( aSubTasks <= 0 )
+        {
+        User::Leave( KErrArgument );
+        }
+    CCABackgroundTask* self = new( ELeave ) CCABackgroundTask( aParent
+                                                               , aBackgroundTask
+                                                               , aTask
+                                                               , aSubTasks
+                                                             );
+
+    CleanupStack::PushL( self );
+    self->ConstructL();
+
+    return self;
+    }
+
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::~CCABackgroundTask
+// Destructor
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+CCABackgroundTask::~CCABackgroundTask()
+    {
+    if ( iIdle )
+        {
+        iIdle->Cancel();
+        delete iIdle;
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::Start
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCABackgroundTask::Start()
+    {
+    if ( !iIdle->IsActive() )
+        {
+        iIdle->Start( TCallBack( BackgroundTask, this ) );
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::Cancel
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCABackgroundTask::Cancel()
+    {
+    iIdle->Cancel();
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::Identity
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TBool CCABackgroundTask::Identity( const CCABackgroundTask& aA
+                                   , const CCABackgroundTask& aB
+                                 )
+    {
+    return ( aA.iTask == aB.iTask );
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::SubTasks
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CCABackgroundTask::SubTasks()
+    {
+    return iSubTasks;
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::TaskState
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+MCABackgroundInterface::TCABackgroundStatus CCABackgroundTask::TaskState()
+    {
+    return iTaskState;
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::SetTaskState
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCABackgroundTask::SetTaskState(
+    MCABackgroundInterface::TCABackgroundStatus aTaskState )
+    {
+    iTaskState = aTaskState;
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::More
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TBool CCABackgroundTask::More()
+    {
+    if ( iSubTasks > 1 )
+        {
+        iSubTasks--;
+        return ETrue;
+        }
+    iSubTasks = 0;
+    return EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::TaskId
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+MCABackgroundInterface::TCABackgroundTasks CCABackgroundTask::TaskId()
+    {
+    return iTask;
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::BackgroundTask
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+MCABackgroundTask* CCABackgroundTask::BackgroundTask()
+    {
+    return iBackgroundTask;
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::ExecuteTaskL
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+void CCABackgroundTask::ExecuteTaskL()
+    {
+    iBackgroundTask->HandleBackgroundTaskL( iSubTasks );
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::Pending
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TBool CCABackgroundTask::Pending()
+    {
+    return iIdle->IsActive();
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::CCABackgroundTask
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CCABackgroundTask::CCABackgroundTask(
+    MCABackgroundCallback* aParent
+    , MCABackgroundTask* aBackgroundTask
+    , MCABackgroundInterface::TCABackgroundTasks aTask
+    , TInt aSubTasks
+) :
+        iParent( aParent ),
+        iBackgroundTask( aBackgroundTask ),
+        iTask( aTask ),
+        iSubTasks( aSubTasks ),
+        iTaskState( MCABackgroundInterface::EUnknown )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CCABackgroundTask::ConstructL()
+    {
+    iIdle = CIdle::NewL( CActive::EPriorityIdle );
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::BackgroundTask
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CCABackgroundTask::BackgroundTask( TAny *aInstance )
+    {
+    return static_cast<CCABackgroundTask*>( aInstance )->DoBackgroundTask();
+    }
+
+// -----------------------------------------------------------------------------
+// CCABackgroundTask::DoBackgroundTask
+//
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+//
+TInt CCABackgroundTask::DoBackgroundTask()
+    {
+    return iParent->HandleBackgroundTask( iTask );
+    }
+
+//  End of File