/*

* Copyright (c) 2009 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 audio output mode.

*

*/

#ifndef CAMMSAUDIOOUTPUTCONTROL_H

#define CAMMSAUDIOOUTPUTCONTROL_H

//  INCLUDES

#include "cammscontrol.h"

#include <cmmamidiplayer.h>

#include <mmmaplayerstatelistener.h>

// for audio routing control

#include <AudioOutput.h>

// for audio routing observers

#include <MAudioOutputObserver.h>

#include <AccMonitor.h>

#include <AccMonitorInfo.h>

// CONSTANTS

_LIT(KAMMSAudioOutputControl, "AudioOutputControl");

// CLASS DECLARATION

/**

*

*  Controls for the Audio Routing.

*  This class delegates Audio Routing setting calls to RMMFController.

*

*

*  @since X.X

*/

NONSHARABLE_CLASS(CAMMSAudioOutputControl)

{

public:

    // Constructors and destructor

    /**

    * Two-phased constructor.

    * @param aPlayer Player that has this control.

    */

    static CAMMSAudioOutputControl* NewLC(CMMAPlayer* aPlayer);

    /**

    * Destructor.

    */

    ~CAMMSAudioOutputControl();

public:

    // New functions

    /**

    * Sets the AudioOutput.

    *

    * @param aPreference The new AudioOutput to be set.

    */

    TInt SetAudioOutput(TInt aPreference);

    /**

    * Gets the Audio Routing preference.

    *

    * @return The previously set Audio Routing preference.

    */

    TInt GetAudioOutput();

    /**

    * Reset the AudioOutput java object with changed value of current

    */

    void GetCurrentPreference();

    /**

    * Gets the Audio Routing preference.

    *

    * @return The previously set Audio Routing preference. and if not set retruns the device default

    */

    TInt GetCurrentPrefInt();

    /**

    * Gets the Audio Routing Device Default.

    *

    * @returns the device default

    */

    TInt GetDeviceDefaultPreference();

    /**

    * Create an Observer to get the notification for the Headset state.

    * Also initializes iCurrentActualPreference with CAudioOutput::EPrivate if headset is connected.

    * @returns the device default

    */

    void CreateHeadsetStateObserverL();

    /**

    * Actual native control is created using this function

    */

    void CreateNativeAudioOutputControlL();

    /**

    * seting java object used to send as callback event

    */

    void SetJavaAudioOutputObject(jobject object);

    /**

    * Reset the value of java object with current values

    */

    void ResetJavaAudioOutputObject();

    /**

    * Check if there is any change in Current output Mode,It sends a event to java

    * If there is no change it returns silently

    */

    void NotifyJavaOnChange();

public:

    // From MMMAPlayerStateListener

    void StateChanged(TInt aState);

public:

    // From MAudioOutputObserver

    void DisconnectedL(CAccMonitorInfo *aAccessoryInfo);

    void ConnectedL(CAccMonitorInfo* aAccessoryInfo);

    void AccMonitorObserverError(TInt aError);

public:

    // Functions from base classes

    const TDesC& ClassName() const;

protected:

    // New functions

    /**

    * @param aAmmsPreference AMMS preference to be set.

    */

    TInt SetAudioOutputToMmf(CAudioOutput::TAudioOutputPreference aAmmsPreference);

private:

    /**

    * C++ constructor.

    * @param aPlayer Player that has this control.

    */

    CAMMSAudioOutputControl(CMMAPlayer* aPlayer);

    /**

    * Symbian 2nd phase constructor.

    */

    void ConstructL();

private:

    //Data

    // Preference visible in AMMS.

    CAudioOutput::TAudioOutputPreference iRoutingUserPreference;

    // Preference of the device changes by inserting/removing Jack.

    CAudioOutput::TAudioOutputPreference iDefaultDevicePreference;

    // Preference of the device changes by inserting/removing Jack.

    TInt iCurrentPreference;

    // owned

    CAudioOutput* iAudioOutput;

    CAccMonitor *iAccMonitor;

    jobject iJavaAudioOutputObj;

    JNIEnv* iJni;

};

#endif // CAMMSAUDIOOUTPUTCONTROL_H