javauis/mmapi_qt/baseline/src/cmmamidivolumecontrol.cpp
changeset 23 98ccebc37403
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/src/cmmamidivolumecontrol.cpp	Fri May 14 15:47:24 2010 +0300
@@ -0,0 +1,59 @@
+/*
+* Copyright (c) 2002-2007 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:  This class is used for setting volume to audio player
+*
+*/
+
+
+#include <logger.h>
+#include "cmmamidivolumecontrol.h"
+#include "cmmamidiplayer.h"
+
+CMMAMIDIVolumeControl::CMMAMIDIVolumeControl(CMMAMIDIPlayer* aPlayer)
+        : CMMAVolumeControl(aPlayer)
+{
+    iPlayer = aPlayer;
+}
+
+void CMMAMIDIVolumeControl::ConstructL()
+{
+    ConstructBaseL();
+}
+
+CMMAMIDIVolumeControl* CMMAMIDIVolumeControl::NewL(CMMAMIDIPlayer* aPlayer)
+{
+    CMMAMIDIVolumeControl* self = new(ELeave)CMMAMIDIVolumeControl(aPlayer);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+}
+
+void CMMAMIDIVolumeControl::DoSetLevelL(TInt aLevel)
+{
+    CMidiClientUtility* midi = iPlayer->MidiClient();
+    TInt maxVolume = midi->MaxVolumeL();
+    midi->SetVolumeL(aLevel * maxVolume / KMMAVolumeMaxLevel);
+}
+
+TInt CMMAMIDIVolumeControl::DoGetLevelL()
+{
+    CMidiClientUtility* midi = iPlayer->MidiClient();
+    // result is in range 0..100
+    return (midi->VolumeL() * KMMAVolumeMaxLevel / midi->MaxVolumeL());
+}
+
+
+//  END OF FILE
+