--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/nssvasapi/nssvascore/src/nssvasctrainingactiontracker.cpp Thu Dec 17 08:46:30 2009 +0200
@@ -0,0 +1,112 @@
+/*
+* Copyright (c) 2006 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: Implements the buffer timeout logic specific to the speech item
+* trainer. Is notified about the speech item trainer action requests,
+* and decides when to actually fire the buffered actions
+*
+*/
+
+
+#include "nssvasctrainingactiontracker.h"
+#include "rubydebug.h"
+
+const TInt KDelayInMicroseconds = 500000;
+
+
+CNssTrainingActionTracker* CNssTrainingActionTracker::NewL( MDelayedNotifiable& aNotifiable )
+ {
+ CNssTrainingActionTracker* self = new (ELeave) CNssTrainingActionTracker( aNotifiable );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+CNssTrainingActionTracker::CNssTrainingActionTracker( MDelayedNotifiable& aNotifiable ) :
+ CTimer( EPriorityStandard ), iHost( aNotifiable )
+ {
+ // empty
+ }
+
+CNssTrainingActionTracker::~CNssTrainingActionTracker()
+ {
+ delete iAsyncCallback;
+ }
+
+/**
+ * Is called by the client to notify tracker about the request to
+ * perform a potentially bufferable action. It is up to tracker
+ * when to stop recording the action requests and fire the
+ * delayed actions via MDelayedNotifiable::DoBufferedActionsL
+ *
+ * DoBufferedActionsL is always called asynchronously. Even if tracker
+ * decides to fire the delayable actions immediately
+ */
+void CNssTrainingActionTracker::ActionRequestedL()
+ {
+ RUBY_DEBUG_BLOCK("");
+ iUnfiredActions = ETrue;
+ if ( !IsActive() )
+ {
+ RUBY_DEBUG0( "The first event in a sequence" );
+ iAsyncCallback->CallBack();
+ }
+ RestartTimer();
+ }
+
+void CNssTrainingActionTracker::RestartTimer()
+ {
+ if( IsActive() )
+ {
+ Cancel();
+ }
+ After( TTimeIntervalMicroSeconds32( KDelayInMicroseconds ) );
+ }
+
+
+void CNssTrainingActionTracker::ConstructL()
+ {
+ CTimer::ConstructL();
+ CActiveScheduler::Add( this );
+ iAsyncCallback = new (ELeave) CAsyncCallBack( TCallBack(FireActionsImmediately, this ),
+ CActive::EPriorityStandard );
+ }
+
+void CNssTrainingActionTracker::RunL()
+ {
+ // timeout happened
+ if( iUnfiredActions )
+ {
+ RUBY_DEBUG0("Unfired actions in the buffeer");
+ DoFireActionsL();
+ }
+ }
+
+TInt CNssTrainingActionTracker::FireActionsImmediately( TAny* pX )
+ {
+ TRAPD( err, static_cast<CNssTrainingActionTracker*>(pX)->DoFireActionsL() );
+ return err;
+ }
+
+
+void CNssTrainingActionTracker::DoFireActionsL()
+ {
+ RUBY_DEBUG_BLOCK("");
+ // Whatever is requested after RunBufferedActionsL or *during* RunBufferedActionsL
+ // has to be fired later
+ iUnfiredActions = EFalse;
+ iHost.RunBufferedActionsL();
+ }
+
+// End of file