--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/amms_qt/mmacontrol/src/cammsspectatordopplercontrol.cpp	Tue May 11 16:07:20 2010 +0300
@@ -0,0 +1,122 @@
+/*
+* Copyright (c) 2005 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:  Manipulates the doppler effect of the spectator.
+*
+*/
+
+
+
+// INCLUDE FILES
+#include <logger.h>
+#include "cammsspectatordopplercontrol.h"
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CAMMSSpectatorDopplerControl::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+CAMMSSpectatorDopplerControl* CAMMSSpectatorDopplerControl::NewLC(
+    CMMAPlayer* aPlayer)
+{
+    CAMMSSpectatorDopplerControl* self =
+        new(ELeave)CAMMSSpectatorDopplerControl(aPlayer);
+
+    CleanupStack::PushL(self);
+
+    return self;
+}
+
+// Destructor
+CAMMSSpectatorDopplerControl::~CAMMSSpectatorDopplerControl()
+{
+    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSSpectatorDopplerControl::~CAMMSSpectatorDopplerControl");
+
+    // Perform DeallocateControl, if the state change has not yet performed it.
+    DeallocateControl();
+    delete(CAudioEffect*)iDopplerEffect;
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSSpectatorDopplerControl::PrepareControlL
+// Function which is called after the correct state is set in Player.
+// -----------------------------------------------------------------------------
+//
+void CAMMSSpectatorDopplerControl::PrepareControlL()
+{
+    // Perform the action only for the first time, skip if called afterwards
+    if (!iDopplerEffect)
+    {
+        LOG( EJavaAMMS, EInfo, "AMMS::CAMMSSpectatorDopplerControl::PrepareControlL");
+
+        CCustomCommandUtility* customCommandUtility =
+            CreateCustomCommandUtilityL();
+
+        // Set the base class doppler effect as CListenerDoppler
+        // Effect API takes the ownership of customCommandUtility.
+        iDopplerEffect = CListenerDoppler::NewL(customCommandUtility);
+    }
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSSpectatorDopplerControl::DeallocateControl
+// Function which is called after the correct state is set in Player.
+// -----------------------------------------------------------------------------
+//
+void CAMMSSpectatorDopplerControl::DeallocateControl()
+{
+    if (iDopplerEffect)
+    {
+        LOG( EJavaAMMS, EInfo, "AMMS::CAMMSSpectatorDopplerControl::DeallocateControl");
+
+        // Doppler for Spectator is always enabled (JSR-234 mandates it)
+        // so the disabling is needed here
+        TRAPD(err, iDopplerEffect->DisableL());
+        if (err != KErrNone)
+        {
+            // The only even theoritically possible error code here would be
+            // KErrAccessDenied which is a result from Effect API calling ApplyL
+            // method without having update rights, but since the Effect
+            // is already created, that situation can be discarded here.
+        }
+
+        // Delete the Effect API class (it deletes CustomCommandUtility)
+        // The class that is derived from CDoppler is casted here to the
+        // base class CAudioEffect, since CDoppler has the destructor
+        // defined as protected, but the derived class and the base class
+        // have it defined as public.
+        delete(CAudioEffect*)iDopplerEffect;
+        iDopplerEffect = NULL;
+    }
+}
+
+const TDesC& CAMMSSpectatorDopplerControl::ClassName() const
+{
+    return KAMMSSpectatorDopplerControl;
+}
+
+// -----------------------------------------------------------------------------
+// CAMMSSpectatorDopplerControl::CAMMSSpectatorDopplerControl
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+CAMMSSpectatorDopplerControl::CAMMSSpectatorDopplerControl(
+    CMMAPlayer* aPlayer)
+        : CAMMSDopplerControl(aPlayer)
+{
+}
+
+
+//  End of File