javauis/mmapi_akn/baseline/src/cmmadurationupdater.cpp
changeset 21 2a9601315dfc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/baseline/src/cmmadurationupdater.cpp	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,73 @@
+/*
+* 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:  Send update duration event if needed when player state changes
+*
+*/
+
+
+//  INCLUDE FILES
+#include <jdebug.h>
+
+#include "cmmadurationupdater.h"
+
+CMMADurationUpdater* CMMADurationUpdater::NewL(CMMAPlayer& aPlayer)
+{
+    CMMADurationUpdater* self = new(ELeave) CMMADurationUpdater(aPlayer);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+}
+
+CMMADurationUpdater::CMMADurationUpdater(CMMAPlayer& aPlayer)
+        : iPlayer(aPlayer), iDuration(KErrNotFound), iSecondStart(EFalse)
+{
+}
+
+void CMMADurationUpdater::ConstructL()
+{
+    iPlayer.AddStateListenerL(this);
+}
+
+CMMADurationUpdater::~CMMADurationUpdater()
+{
+    iPlayer.RemoveStateListener(this);
+}
+
+void CMMADurationUpdater::StateChanged(TInt aState)
+{
+    TInt64 duration = 0;
+    iPlayer.GetDuration(&duration);
+
+    if ((duration >= KErrNotFound) && (duration != iDuration))
+    {
+        // Send DURATION_UPDATED
+        iDuration = duration;
+        iPlayer.PostLongEvent(CMMAPlayerEvent::EDurationUpdated, iDuration);
+    }
+    else if (duration == KErrNotFound && aState == CMMAPlayer::EStarted && !iSecondStart)
+    {
+        // for medias whose duration is unknown (e.g. streaming audio amr)
+        // must post EDurationUpdated event with duration -1 in first start
+        iPlayer.PostLongEvent(CMMAPlayerEvent::EDurationUpdated, iDuration);
+        iSecondStart = ETrue;
+    }
+
+    if (aState == CMMAPlayer::ERealized)
+    {
+        iSecondStart = EFalse;
+    }
+}
+
+//  END OF FILE