--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/contextengine/tsfswpreviewprovider/src/tspropertylistener.cpp Tue Jan 26 11:48:23 2010 +0200
@@ -0,0 +1,147 @@
+/*
+* Copyright (c) 2008 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".
+*/
+
+#include "tspropertylistener.h"
+#include "previewproviderlogging.h"
+
+
+
+// --------------------------------------------------------------------------
+// CTsPropertyListener::~CTsPropertyListener
+// --------------------------------------------------------------------------
+//
+CTsPropertyListener::~CTsPropertyListener()
+ {
+ Cancel();
+ iProperty.Close();
+ }
+
+// --------------------------------------------------------------------------
+// CTsPropertyListener::CTsPropertyListener
+// --------------------------------------------------------------------------
+//
+CTsPropertyListener::CTsPropertyListener( MTsFastSwapPreviewObserver& aObs ) :
+ CActive( CActive::EPriorityHigh ), iObs( aObs )
+ {
+ }
+
+// --------------------------------------------------------------------------
+// CTsPropertyListener::NewL
+// --------------------------------------------------------------------------
+//
+CTsPropertyListener* CTsPropertyListener::NewL( MTsFastSwapPreviewObserver& aObs )
+ {
+ CTsPropertyListener* self = new ( ELeave ) CTsPropertyListener( aObs );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// --------------------------------------------------------------------------
+// CTsPropertyListener::RunL
+// --------------------------------------------------------------------------
+//
+void CTsPropertyListener::RunL()
+ {
+ // Resubscribe before processing new value to prevent missing updates
+ Subscribe();
+
+ // Read all properties to member variables
+ ReadPropertiesL();
+
+ // Do the callback
+ switch( iOperation )
+ {
+ case EOperationUnregister:
+ {
+ iObs.HandleFswPpApplicationUnregistered( iWgId );
+ break;
+ }
+ case EOperationBitmapUpdated:
+ {
+ iObs.HandleFswPpApplicationChange( iWgId, iFbsBitmapId );
+ break;
+ }
+ default:
+ break;
+ }
+ }
+
+// --------------------------------------------------------------------------
+// CTsPropertyListener::DoCancel
+// --------------------------------------------------------------------------
+//
+void CTsPropertyListener::DoCancel()
+ {
+ iProperty.Cancel();
+ }
+
+// --------------------------------------------------------------------------
+// CTsPropertyListener::ReadProperties
+// --------------------------------------------------------------------------
+//
+void CTsPropertyListener::ReadPropertiesL()
+ {
+ // Read all properties
+ User::LeaveIfError( iProperty.Get( KPSUidPreviewProvider, KPSKeyWgId, iWgId ) );
+ User::LeaveIfError( iProperty.Get( KPSUidPreviewProvider, KPSKeyFbsBitmapId, iFbsBitmapId ) );
+ TInt operation( 0 );
+ User::LeaveIfError( iProperty.Get( KPSUidPreviewProvider, KPSKeyOperation, operation ) );
+ iOperation = static_cast<TPreviewOperation>( operation );
+ }
+
+// --------------------------------------------------------------------------
+// CTsPropertyListener::DefinePropertyL
+// --------------------------------------------------------------------------
+//
+void CTsPropertyListener::DefinePropertyL( TInt aPSKey )
+ {
+ TInt err = RProperty::Define( KPSUidPreviewProvider, aPSKey, RProperty::EInt );
+ // Don't mind the already exists error
+ if ( err != KErrAlreadyExists && err != KErrPermissionDenied )
+ {
+ User::LeaveIfError( err );
+ }
+ }
+
+// --------------------------------------------------------------------------
+// CTsPropertyListener::Subscribe
+// --------------------------------------------------------------------------
+//
+void CTsPropertyListener::Subscribe()
+ {
+ iProperty.Subscribe( iStatus );
+ SetActive();
+ }
+
+// --------------------------------------------------------------------------
+// CTsPropertyListener::ConstructL
+// --------------------------------------------------------------------------
+//
+void CTsPropertyListener::ConstructL()
+ {
+ TSLOG_CONTEXT( ConstructL, TSLOG_LOCAL );
+ TSLOG_IN();
+
+ DefinePropertyL( KPSKeyWgId );
+ DefinePropertyL( KPSKeyFbsBitmapId );
+ DefinePropertyL( KPSKeyOperation );
+
+ User::LeaveIfError( iProperty.Attach( KPSUidPreviewProvider, KPSKeyWgId ) );
+ CActiveScheduler::Add( this );
+
+ // initial subscription
+ Subscribe();
+
+ TSLOG_OUT();
+ }
+
+// End of file
+