--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/plugins/alfcrpplugin/src/alfsynchronizer.cpp Fri Mar 19 09:43:21 2010 +0200
@@ -0,0 +1,153 @@
+/*
+* Copyright (c) 2010 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: AlfSynchronizer waits for synchronization to complete
+*
+*/
+
+
+#include "alfsynchronizer.h"
+#include "alfrenderstageutils.h"
+
+// Timeout in microseconds - 500 ms.
+const TInt KAlfSyncTimeout = 500000;
+
+// --------------------------------------------------------------------------
+// CAlfSynchronizer::NewL
+// --------------------------------------------------------------------------
+//
+CAlfSynchronizer* CAlfSynchronizer::NewL()
+ {
+ CAlfSynchronizer* self = new (ELeave) CAlfSynchronizer;
+ CleanupStack::PushL(self);
+ self->ConstructL();
+ CleanupStack::Pop(self);
+ return self;
+ }
+
+// --------------------------------------------------------------------------
+// CAlfSynchronizer::~CAlfSynchronizer
+// --------------------------------------------------------------------------
+//
+CAlfSynchronizer::~CAlfSynchronizer()
+ {
+ Cancel();
+
+ iProperty.Close();
+
+ delete iWait;
+ delete iTimeout;
+ }
+
+// --------------------------------------------------------------------------
+// CAlfSynchronizer::Start
+// --------------------------------------------------------------------------
+//
+void CAlfSynchronizer::Start(TInt aId)
+ {
+ iProperty.Subscribe( iStatus );
+ SetActive();
+
+ TInt value = 0;
+ iProperty.Get(value);
+
+ if ( value != aId )
+ {
+ // Launch timeout AO in case there happens to be deadlock in coretoolkit etc.
+ iTimeout->Start( KAlfSyncTimeout, KAlfSyncTimeout,
+ TCallBack( CallbackSyncTimeout, this ) );
+
+ // Start wait
+ iSynchId = aId;
+ iWait->Start();
+ }
+ }
+
+// --------------------------------------------------------------------------
+// CAlfSynchronizer::RunL
+// --------------------------------------------------------------------------
+//
+void CAlfSynchronizer::RunL()
+ {
+ if ( !iAsyncStopDone && iStatus.Int() == KErrNone )
+ {
+ iProperty.Subscribe( iStatus );
+ SetActive();
+ }
+
+ TInt value = 0;
+ iProperty.Get(value);
+
+ if ( !iAsyncStopDone && value == iSynchId )
+ {
+ iWait->AsyncStop();
+ iAsyncStopDone = ETrue;
+ }
+ }
+
+// --------------------------------------------------------------------------
+// CAlfSynchronizer::CallbackSyncTimeout
+// --------------------------------------------------------------------------
+//
+TInt CAlfSynchronizer::CallbackSyncTimeout( TAny* aPtr )
+ {
+ ((CAlfSynchronizer*)aPtr)->DoCallbackSyncTimeout();
+ return KErrNone;
+ }
+
+// --------------------------------------------------------------------------
+// CAlfSynchronizer::DoCallbackSyncTimeout
+// --------------------------------------------------------------------------
+//
+void CAlfSynchronizer::DoCallbackSyncTimeout()
+ {
+ iTimeout->Cancel();
+
+ if (!iAsyncStopDone)
+ {
+ iWait->AsyncStop();
+ iAsyncStopDone = ETrue;
+ }
+ }
+
+// --------------------------------------------------------------------------
+// CAlfSynchronizer::DoCancel
+// --------------------------------------------------------------------------
+//
+void CAlfSynchronizer::DoCancel()
+ {
+ iProperty.Cancel();
+ }
+
+// --------------------------------------------------------------------------
+// CAlfSynchronizer::CAlfSynchronizer
+// --------------------------------------------------------------------------
+//
+CAlfSynchronizer::CAlfSynchronizer()
+ : CActive( EPriorityHigh )
+ {
+ CActiveScheduler::Add(this);
+ }
+
+// --------------------------------------------------------------------------
+// CAlfSynchronizer::ConstructL
+// --------------------------------------------------------------------------
+//
+void CAlfSynchronizer::ConstructL()
+ {
+ User::LeaveIfError( iProperty.Attach( KAlfPSUidSynchronizer, KAlfPSKeySynchronizer ) );
+
+ iWait = new (ELeave) CActiveSchedulerWait;
+
+ iTimeout = CPeriodic::NewL( CActive::EPriorityHigh );
+ }