--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/psln/Src/pslnidletaskcreateviews.cpp Wed Sep 01 12:16:19 2010 +0100
@@ -0,0 +1,148 @@
+/*
+* Copyright (c) 2006-2007 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: Background task for creating views.
+*
+*/
+
+
+#include "pslnidletaskcreateviews.h"
+#include "PslnUi.h"
+#include "PslnConst.h"
+#include "PslnModel.h"
+
+// First step is to create tabgroup.
+const TInt KPslnCreateTabs = 0;
+// Second step is to create parts of the model.
+const TInt KPslnFullUpdateModel = 1;
+// Third step is to create general theme view.
+const TInt KPslnCreateGeneralView = 2;
+// Fourth step is to create wallpaper view.
+const TInt KPslnCreateWallpaperView = 3;
+// Fifth (and final) step is to create screensaver view.
+const TInt KPslnCreateScreensaverView = 4;
+
+// ---------------------------------------------------------------------------
+// C++ constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------------------------
+//
+CPslnIdleTaskCreateViews::CPslnIdleTaskCreateViews( CPslnUi* aPslnUi ) :
+ iPslnUi( aPslnUi ), iDone( EFalse ), iIdleStep( KPslnCreateTabs )
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CPslnIdleTaskCreateViews* CPslnIdleTaskCreateViews::NewL( CPslnUi* aPslnUi )
+ {
+ CPslnIdleTaskCreateViews* self =
+ new( ELeave ) CPslnIdleTaskCreateViews( aPslnUi );
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CPslnIdleTaskCreateViews::ConstructL()
+ {
+ iIdleTask = CIdle::NewL( CActive::EPriorityIdle );
+ iIdleTask->Start( TCallBack( DoHandleIdleTimeL, this ) );
+ }
+
+// Destructor
+CPslnIdleTaskCreateViews::~CPslnIdleTaskCreateViews()
+ {
+ if ( iIdleTask )
+ {
+ iIdleTask->Cancel();
+ }
+ delete iIdleTask;
+ }
+
+// ---------------------------------------------------------------------------
+// Informs when task is finished.
+// ---------------------------------------------------------------------------
+//
+TBool CPslnIdleTaskCreateViews::IsFinished() const
+ {
+ return iDone;
+ }
+
+// -----------------------------------------------------------------------------
+// Callback function when application is idle.
+// -----------------------------------------------------------------------------
+//
+TInt CPslnIdleTaskCreateViews::DoHandleIdleTimeL( TAny* aAny )
+ {
+ static_cast< CPslnIdleTaskCreateViews* >( aAny )->HandleIdleTimeL();
+ return KErrNone;
+ }
+
+// -----------------------------------------------------------------------------
+// Handles idle time. With each step a new view is created.
+// -----------------------------------------------------------------------------
+//
+void CPslnIdleTaskCreateViews::HandleIdleTimeL()
+ {
+ if ( !IsFinished() )
+ {
+ TUid viewToCreate = KPslnGeneralView; //just initialise
+ switch( iIdleStep )
+ {
+ case KPslnCreateTabs:
+ iPslnUi->ConstructTabGroupL();
+ break;
+ case KPslnFullUpdateModel:
+ if ( iPslnUi->Model() &&
+ iPslnUi->Model()->ActiveSkinIndex() == KErrNotFound )
+ {
+ iPslnUi->Model()->PerformCompleteUpdateL();
+ }
+ break;
+ case KPslnCreateGeneralView:
+ viewToCreate = KPslnGeneralView;
+ break;
+ case KPslnCreateWallpaperView:
+ viewToCreate = KPslnWallpaperView;
+ break;
+ case KPslnCreateScreensaverView:
+ viewToCreate = KPslnScreenSaverView;
+ iDone = ETrue;
+ break;
+ default:
+ User::Leave( KErrArgument );
+ break;
+ }
+ if ( iIdleStep != KPslnCreateTabs && iIdleStep != KPslnFullUpdateModel )
+ {
+ iPslnUi->CreateViewL( viewToCreate );
+ }
+ iIdleStep++;
+ if ( !iDone )
+ {
+ if ( iIdleTask && !iIdleTask->IsActive() )
+ {
+ iIdleTask->Start( TCallBack( DoHandleIdleTimeL, this ) );
+ }
+ }
+ }
+ }
+
+// End of file