javauis/amms_akn/mmacontrol/inc/cammsprioritycontrol.h
branchRCL_3
changeset 19 04becd199f91
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/amms_akn/mmacontrol/inc/cammsprioritycontrol.h	Tue Apr 27 16:30:29 2010 +0300
@@ -0,0 +1,113 @@
+/*
+* 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 priority of a Player.
+*
+*/
+
+
+#ifndef CAMMSPRIORITYCONTROL_H
+#define CAMMSPRIORITYCONTROL_H
+
+//  INCLUDES
+#include "cammscontrol.h"
+#include <mmmaplayerstatelistener.h>
+
+// CONSTANTS
+_LIT(KAMMSPriorityControl, "PriorityControl");
+
+// CLASS DECLARATION
+
+/**
+*
+*  Controls for the priority.
+*  This class delegates priority setting calls to RMMFController.
+*
+*
+*  @since 3.0
+*/
+NONSHARABLE_CLASS(CAMMSPriorityControl)
+        : public CAMMSControl, public MMMAPlayerStateListener
+{
+public:  // Constructors and destructor
+
+    /**
+    * Two-phased constructor.
+    * @param aPlayer Player that has this control.
+    */
+    static CAMMSPriorityControl* NewLC(CMMAPlayer* aPlayer);
+
+    /**
+    * Destructor.
+    */
+    ~CAMMSPriorityControl();
+
+public: // New functions
+
+    /**
+    * Sets the priority.
+    *
+    * @param aPriority The new priority to be set.
+    */
+    void SetPriorityL(TInt aPriority);
+
+    /**
+    * Gets the priority.
+    *
+    * @return The set priority.
+    */
+    TInt Priority();
+
+public:  // From MMMAPlayerStateListener
+
+    void StateChanged(TInt aState);
+
+public: // Functions from base classes
+
+    const TDesC& ClassName() const;
+
+protected:  // New functions
+
+    /**
+     * Scales the given AMMS priority to MMF priority
+     * and sets it to MMF if the priority has changed.
+     * @param aAmmsPriority AMMS priority to be set.
+     */
+    void SetPriorityToMmfL(TInt aAmmsPriority);
+
+private:
+    /**
+    * C++ constructor.
+    * @param aPlayer Player that has this control.
+    */
+    CAMMSPriorityControl(CMMAPlayer* aPlayer);
+
+    /**
+     * Symbian 2nd phase constructor.
+     */
+    void ConstructL();
+
+private:  // data
+
+    // Priority cannot be set if player is REALIZED. The priority is set
+    // when the player is prefetched.
+
+    TInt iVisiblePriority;  // Priority visible in AMMS.
+
+    TInt iActualPriority;   // Priority set in MMF.
+
+};
+
+#endif // CAMMSPRIORITYCONTROL_H
+
+