javauis/mmapi_akn/baseline/src/cmmammfratecontrol.cpp
changeset 21 2a9601315dfc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/baseline/src/cmmammfratecontrol.cpp	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,114 @@
+/*
+* Copyright (c) 2002 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:  This class implements generic RateControl functionality.
+*
+*/
+
+
+//  INCLUDE FILES
+#include <jdebug.h>
+#include <e32base.h>
+
+#include "cmmammfratecontrol.h"
+
+namespace
+{
+const TInt KErrorMessageSize = 32;
+_LIT(KErrDefaultError, "Symbian OS Error: %d");
+}
+
+CMMAMMFRateControl* CMMAMMFRateControl::NewL(CMMAMMFPlayerBase* aPlayer)
+{
+    CMMAMMFRateControl* self = new(ELeave) CMMAMMFRateControl(aPlayer);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+}
+
+CMMAMMFRateControl::~CMMAMMFRateControl()
+{
+    DEBUG("MMA:CMMAMMFRateControl::~CMMAMMFRateControl");
+}
+
+CMMAMMFRateControl::CMMAMMFRateControl(CMMAMMFPlayerBase* aPlayer) :
+        iPlayer(aPlayer), iCurrentRate(KMMADefaultRate)
+{
+    DEBUG("MMA:CMMAMMFRateControl::CMMAMMFRateControl");
+}
+
+void CMMAMMFRateControl::ConstructL()
+{
+    iPlayer->AddStateListenerL(this);
+}
+
+void CMMAMMFRateControl::StateChanged(TInt aState)
+{
+    DEBUG("MMA:CMMAMMFRateControl::StateChanged");
+    if (aState == CMMAPlayer::EStarted && iCurrentRate == KMMAMinRate)
+    {
+        RMMFController& controller = iPlayer->Controller();
+        TInt err = controller.Pause();
+        if ((err != KErrNone) && (err != KErrNotReady))
+        {
+            DEBUG_INT("CMMAMMFRateControl::StateChanged: Pause error %d", err);
+            TBuf<KErrorMessageSize> errorMessage;
+            errorMessage.Format(KErrDefaultError, err);
+            iPlayer->PostStringEvent(CMMAPlayerEvent::EError, errorMessage);
+        }
+    }
+}
+
+TInt CMMAMMFRateControl::SetRateL(TInt aRate)
+{
+    DEBUG("MMA:CMMAMMFRateControl::SetRateL");
+    RMMFController& controller = iPlayer->Controller();
+
+    TInt newRate;
+    if (aRate <= KMMAMinRate)
+    {
+        newRate = KMMAMinRate;
+    }
+    else
+    {
+        newRate = KMMADefaultRate;
+    }
+
+    if ((iPlayer->State() == CMMAPlayer::EStarted) &&
+            (newRate != iCurrentRate))
+    {
+        if (newRate == KMMAMinRate)
+        {
+            TInt err = controller.Pause();
+            if ((err != KErrNone) && (err != KErrNotReady))
+            {
+                User::Leave(err);
+            }
+        }
+        else
+        {
+            User::LeaveIfError(controller.Play());
+        }
+    }
+    iCurrentRate = newRate;
+    return iCurrentRate;
+}
+
+TInt CMMAMMFRateControl::RateL()
+{
+    return iCurrentRate;
+}
+
+
+//  END OF FILE