javauis/amms_qt/mmacontrol/inc/cammsvolumecontrol.h
branchRCL_3
changeset 24 0fd27995241b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/amms_qt/mmacontrol/inc/cammsvolumecontrol.h	Tue May 11 16:07:20 2010 +0300
@@ -0,0 +1,100 @@
+/*
+* 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:  Controls the volume of a CMMAVolumeControl.
+*
+*/
+
+
+#ifndef CAMMSVOLUMECONTROL_H
+#define CAMMSVOLUMECONTROL_H
+
+//  INCLUDES
+#include <e32base.h>
+#include "cammscontrol.h"
+
+// FORWARD DECLARATIONS
+class CMMAVolumeControl;
+
+// CONSTANTS
+const TInt KAMMSMAXVolume = 100;
+
+// CLASS DECLARATION
+
+/**
+*
+*  Controls the volume of a CMMAVolumeControl.
+*  This class delegates SetVolumeL method calls to CMMAVolumeControl
+*  given in constructor.
+*
+*  @since 3.0
+*/
+NONSHARABLE_CLASS(CAMMSVolumeControl): public CAMMSControl
+{
+public:  // Constructors and destructor
+
+    /**
+    * Two-phased constructor.
+    * @param aControlName Class name for this control.
+    * @param aVolumeControl Delegated control.
+    * @param aPlayer Player that has this control.
+    */
+    static CAMMSVolumeControl* NewLC(const TDesC& aControlName,
+    CMMAVolumeControl* aVolumeControl,
+    CMMAPlayer* aPlayer);
+
+    /**
+    * Destructor.
+    */
+    ~CAMMSVolumeControl();
+
+public: // New functions
+    /**
+    * Sets the volume..
+    *
+    * @param aVolume The new volume to be set.
+    */
+    void SetVolumeL(TInt aVolume);
+
+public: // Functions from base classes
+    const TDesC& ClassName() const;
+
+private:
+    /**
+    * C++ constructor.
+    * @param aControlName Class name for this control.
+    * @param aVolumeControl Delegated control.
+    * @param aPlayer Player that has this control.
+    */
+    CAMMSVolumeControl(const TDesC& aControlName,
+                       CMMAVolumeControl* aVolumeControl,
+                       CMMAPlayer* aPlayer);
+
+    /**
+    * By default Symbian 2nd phase constructor is private.
+    */
+    void ConstructL();
+
+private:  // Data
+    const TDesC& iClassName;
+
+    // Not owned mma volume control.
+    CMMAVolumeControl* iVolumeControl;
+
+    // Index in iVolumeControl
+    TInt iControlLevelIndex;
+};
+
+#endif // CAMMSVOLUMECONTROL_H
+
+