--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_qt/baseline/inc/cmmavolumecontrol.h Tue Aug 31 15:09:22 2010 +0300
@@ -0,0 +1,131 @@
+/*
+* 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 volume setting
+*
+*/
+
+
+#ifndef CMMAVOLUMECONTROL_H
+#define CMMAVOLUMECONTROL_H
+
+// INCLUDES
+#include "cmmacontrol.h"
+#include "mmmaplayerstatelistener.h"
+
+// CONSTANS
+_LIT(KMMAVolumeControlName, "VolumeControl");
+const TInt KMMAVolumeMaxLevel = 100;
+
+class CMMAPlayer;
+
+// CLASS DECLARATION
+/**
+* This class is used for volume setting
+*
+*
+*/
+
+class CMMAVolumeControl : public CMMAControl,
+ public MMMAPlayerStateListener
+{
+public:
+ static void StaticSetLevelL(CMMAVolumeControl* aVolumeControl,
+ TInt aLevel);
+ static void StaticGetLevelL(CMMAVolumeControl* aVolumeControl,
+ TInt* aLevel);
+
+ ~CMMAVolumeControl();
+
+protected:
+ CMMAVolumeControl(CMMAPlayer* aPlayer);
+ void ConstructBaseL();
+
+ /**
+ * Sets the level to player.
+ * @param aLevel Sound level to set.
+ */
+ virtual void DoSetLevelL(TInt aLevel) = 0;
+
+ /**
+ * Get volume level from player.
+ * @return Current level.
+ */
+ virtual TInt DoGetLevelL() = 0;
+
+public: // From CMMAControl
+ const TDesC& ClassName() const;
+
+ /**
+ * Refresh volume control.
+ */
+ void RefreshControl();
+
+public: // From MMMAPlayerStateListener
+ void StateChanged(TInt aState);
+
+
+public: // New methods
+ /**
+ * Adds new volume level to volume control. Actual volume level will
+ * be calculated using all levels added to the control.
+ * @return Index for new level.
+ */
+ IMPORT_C TInt AddLevelL();
+
+ /**
+ * Sets new volume level for certain level index. After level is set
+ * new actual level is calculated and commited to player in derived
+ * class.
+ * @param aLevelIndex Level's index
+ * @param aVolumeLevel New volume level for level index. Level must be
+ * between 0 and 100.
+ */
+ IMPORT_C void SetVolumeLevelL(TInt aLevelIndex,
+ TInt aVolumeLevel);
+ void GetVolumeLevelL(TInt aLevelIndex,
+ TInt* aVolumeLevel);
+
+
+
+private: // New methods
+
+ /**
+ * Refresh volume level, basically set the volume level again.
+ */
+ void RefreshVolume();
+
+ /**
+ * Sets level if player is started and sends java event level
+ * changed.
+ * @param aLevel Sound level to set.
+ */
+ void SetLevelL(TInt aLevel);
+
+ /**
+ * Calculates new overall level using all values in iLevels array.
+ * @return Current level.
+ */
+ TInt CalculateLevel();
+protected: // data
+ CMMAPlayer* iPlayer;
+
+ // Previous level setted to player. Used to check if level is changed.
+ TInt iLevel;
+
+ // Array containing all levels.
+ RArray< TInt > iLevels;
+
+};
+
+#endif // CMMAVOLUMECONTROL_H