/*

* 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.

*

*/

// INCLUDE FILES

#include <AudioPreference.h>

#include <logger.h>

#include "cammsaudiooutputcontrol.h"

#include <cmmaplayerevent.h>

#include <cmmaaudioplayer.h>

#include <cmmavideoplayer.h>

#include <midiclientutility.h>

#include <cammscustomcommandutility.h>

#include <JniEnvWrapper.h>

// CONSTANTS

_LIT(KErrAudioOutputControlError, "AMMS AudioOutputControl error: %d");

const TInt KEventMessageSize = 64;

const TInt KNoPriference = 0;

const TInt KAllSpeakers = 1;

const TInt KNoAudioOutput = 2;

const TInt KAudioEarpiece = 3;

const TInt KAudioLoudspeaker = 4;

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CAMMSAudioOutputControl::NewLC

// Two-phased constructor.

// -----------------------------------------------------------------------------

CAMMSAudioOutputControl* CAMMSAudioOutputControl::NewLC(CMMAPlayer* aPlayer)

{

    CAMMSAudioOutputControl* self = new(ELeave) CAMMSAudioOutputControl(aPlayer);

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

}

// Destructor

CAMMSAudioOutputControl::~CAMMSAudioOutputControl()

{

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::~");

    if (iAudioOutput)

    {

        iAudioOutput->UnregisterObserver(*this);

        delete iAudioOutput;

    }

    if (iAccMonitor)

    {

        iAccMonitor ->StopObserving();

        delete iAccMonitor;

    }

}

//set java AudioOutput object

void CAMMSAudioOutputControl::SetJavaAudioOutputObject(jobject object)

{

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::SetJavaAudioOutputObject ");

    iJavaAudioOutputObj = object;

    // JNI interface pointer can't be passed to different thread, so

    // it is needed to get valid JNI interface pointer for Event Server thread

  //  iJni = JniEnvWrapper::GetValidJniRef();

}

void CAMMSAudioOutputControl::ResetJavaAudioOutputObject()

{

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::ResetJavaAudioOutputObject ");

    jmethodID setOutputModeID = iJni->GetMethodID(

                                    iJni->GetObjectClass(iJavaAudioOutputObj),

                                    "setOutputMode",

                                    "(I)V");

    jint jpref = (jint)GetCurrentPrefInt();

    iJni->CallVoidMethod(iJavaAudioOutputObj,setOutputModeID,jpref);

}

// -----------------------------------------------------------------------------

// CAMMSAudioOutputControl::SetAudioOutput

// Sets the preference using a linear point scale between 0 and 4.

// -----------------------------------------------------------------------------

//

TInt CAMMSAudioOutputControl::SetAudioOutput(TInt aPreference)

{

    LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::SetAudioOutputL %d", aPreference);

    TInt temppreference = 0;

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::SetAudioOutputL  After __ASSERT_DEBUG");

    // Set a new preference only if it differs from the previous one.

    if (aPreference != iRoutingUserPreference)

    {

        switch (aPreference)

        {

        case KNoPriference:

        {

            temppreference = SetAudioOutputToMmf(CAudioOutput::ENoPreference);

        }

        break;

        case KAllSpeakers:

        {

            temppreference = SetAudioOutputToMmf(CAudioOutput::EAll);

        }

        break;

        case KNoAudioOutput:

        {

            temppreference = SetAudioOutputToMmf(CAudioOutput::ENoOutput);

        }

        break;

        case KAudioEarpiece:

        {

            temppreference = SetAudioOutputToMmf(CAudioOutput::EPrivate);

        }

        break;

        case KAudioLoudspeaker:

        {

            temppreference = SetAudioOutputToMmf(CAudioOutput::EPublic);

        }

        break;

        default:

            break;

        }

    }

    LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::SetAudioOutputL - = %d", temppreference);

    return temppreference;

}

// -----------------------------------------------------------------------------

// CAMMSAudioOutputControl::GetAudioOutput

// Gets the preference.

// -----------------------------------------------------------------------------

TInt CAMMSAudioOutputControl::GetAudioOutput()

{

    LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::GetAudioOutput %d", (TInt)iRoutingUserPreference);

    return (TInt)iRoutingUserPreference;

}

// ----------------------------------------------------------------------------------------

// CAMMSAudioOutputControl::GetCurrentPreference

// Gets the preference.if user preference is not set return the current device preference

// ----------------------------------------------------------------------------------------

void CAMMSAudioOutputControl::GetCurrentPreference()

{

    // reset the java AudioOutput object with current mode

    ResetJavaAudioOutputObject();

}

// ----------------------------------------------------------------------------------------

// CAMMSAudioOutputControl::GetCurrentPrefInt

// Gets the preference.if user preference is not set return the current device preference in TInt form

// ----------------------------------------------------------------------------------------

TInt CAMMSAudioOutputControl::GetCurrentPrefInt()

{

    TInt pref ;

    // get the value of current preference

    if (iRoutingUserPreference == CAudioOutput::ENoPreference)

    {

        LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::GetCurrentPrefInt_if %d", (TInt)iDefaultDevicePreference);

        pref = GetDeviceDefaultPreference();

    }

    else

    {

        LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::GetCurrentPrefInt_else %d", (TInt)iRoutingUserPreference);

        pref = (TInt)iRoutingUserPreference;

    }

    return pref;

}

// ----------------------------------------------------------------------------------------

// CAMMSAudioOutputControl::GetDeviceDefaultPreference

// Gets the current device preference used as default

// ----------------------------------------------------------------------------------------

TInt CAMMSAudioOutputControl::GetDeviceDefaultPreference()

{

    LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::GetDeviceDefaultPreference %d", (TInt)iDefaultDevicePreference);

    array.Reset();

    TInt temp = 0;

    TRAPD(err,iAccMonitor->GetConnectedAccessoriesL(array));

    if (err)

    {

        temp = -1;

    }

    TInt count = array.Count();

    if (count == 0)

    {

        temp = (TInt)CAudioOutput::EPublic;

    }

    LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::GetDeviceDefaultPreference :RConnectedAccessories count = %d",count);

    for (TInt i = 0; i != count; i++)

    {

        TAccMonCapability deviceType = array[ i ]->AccDeviceType();

        if ((deviceType == KAccMonHeadset)||(deviceType == KAccMonBluetooth))

        {

            LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::CreateHeadsetStateObserverL info = Headset Connected  ");

            temp = (TInt)CAudioOutput::EPrivate;

            break;

        }

    }

    return temp;

}

// -----------------------------------------------------------------------------

// CAMMSAudioOutputControl::StateChanged

// Called when player state is changed.

// -----------------------------------------------------------------------------

void CAMMSAudioOutputControl::StateChanged(TInt aState)

{

    LOG1( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::StateChanged +, state = %d",  aState);

    playerState = (CMMAPlayer::TPlayerState)aState;

    if (aState == CMMAPlayer::EStarted)

    {

        NotifyJavaOnChange();

    }

}

const TDesC& CAMMSAudioOutputControl::ClassName() const

{

    LOG( EJavaAMMS, EInfo, "CAMMSAudioOutputControl::ClassName");

    return KAMMSAudioOutputControl;

}

// -----------------------------------------------------------------------------

// CAMMSAudioOutputControl::SetPriorityToMmf

// Scales the given AMMS priority to MMF priority and sets it to MMF.

// -----------------------------------------------------------------------------

TInt CAMMSAudioOutputControl::SetAudioOutputToMmf(CAudioOutput::TAudioOutputPreference aPref)

{

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::SetAudioOutputToMmfL +");

    CAudioOutput::TAudioOutputPreference tempPreference = iRoutingUserPreference ;

    iRoutingUserPreference = aPref;

    TRAPD(err,CreateNativeAudioOutputControlL();

          iAudioOutput->SetAudioOutputL(aPref));

    if (KErrNone != err)

    {

        iRoutingUserPreference = tempPreference;

        TBuf<KEventMessageSize> errorMessage;

        errorMessage.Format(KErrAudioOutputControlError, err);

        iPlayer->PostStringEvent(CMMAPlayerEvent::EError, errorMessage);

    }

    // if during play user set a preference event should be sent to java

    if (playerState == CMMAPlayer::EStarted)

    {

        NotifyJavaOnChange();

    }

    return (TInt)iRoutingUserPreference;

}

// -----------------------------------------------------------------------------

// CAMMSAudioOutputControl::DefaultAudioOutputChanged

// MAudioOutputObserver's function is implemented to notify about the change in routing preference

// -----------------------------------------------------------------------------

void CAMMSAudioOutputControl::DefaultAudioOutputChanged(CAudioOutput& /*aAudioOutput*/,

        CAudioOutput::TAudioOutputPreference /*aNewDefault*/)

{

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::DefaultAudioOutputChanged ");

}

void CAMMSAudioOutputControl::NotifyJavaOnChange()

{

    TInt tempPref = GetCurrentPrefInt();

    if (iCurrentPreference == tempPref)

    {

        LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::NotifyJavaOnChange - No Event ");

        return;

    }

    //reset the java side object with the current iCurrentActualPreference

    ResetJavaAudioOutputObject();

    iCurrentPreference = tempPref;

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::NotifyJavaOnChange - Sending Event ");

    iPlayer->PostObjectEvent(CMMAPlayerEvent::EAudioOutputPreferenceChangeEvent, iJavaAudioOutputObj);

}

void CAMMSAudioOutputControl::AccMonitorObserverError(TInt /*aError*/)

{

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::AccMonitorObserverError");

}

// -----------------------------------------------------------------------------

// CAMMSAudioOutputControl::CAMMSAudioOutputControl

// C++ default constructor can NOT contain any code, that

// might leave.

// -----------------------------------------------------------------------------

CAMMSAudioOutputControl::CAMMSAudioOutputControl(CMMAPlayer* aPlayer)

        : CAMMSControl(aPlayer),

        iRoutingUserPreference(CAudioOutput::ENoPreference)

{

}

// HEADSET CONNECTED OR NOT

void CAMMSAudioOutputControl::ConnectedL(CAccMonitorInfo* aAccessoryInfo)

{    // Reserve memory for the accessory information instance if necessary

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::ConnectedL +");

    if (!iAccessoryInfo)

    {

        iAccessoryInfo = CAccMonitorInfo::NewL();

        LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::ConnectedL iAccessoryInfo created");

    }

    // Otherwise just reset accessory information instance

    else

    {

        iAccessoryInfo->Reset();

    }

    iAccessoryInfo->CopyL(aAccessoryInfo);

    TAccMonCapability deviceType = iAccessoryInfo->AccDeviceType() ;

    if ((deviceType == KAccMonHeadset) || (deviceType == KAccMonBluetooth))

    {

        LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::DisconnectedL: Headset connected");

        //send a callback

        if (iRoutingUserPreference == (TInt)(CAudioOutput::ENoPreference))

        {

            NotifyJavaOnChange();

        }

    }

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::ConnectedL -");

}

void CAMMSAudioOutputControl::DisconnectedL(CAccMonitorInfo*  aAccessoryInfo)

{   // Reserve memory for the accessory information instance if necessary

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::DisconnectedL +");

    if (!iAccessoryInfo)

    {

        iAccessoryInfo = CAccMonitorInfo::NewL();

        LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::DisconnectedL: iAccessoryInfo created");

    }

    else

    {

        iAccessoryInfo->Reset();

    }

    iAccessoryInfo->CopyL(aAccessoryInfo);

    TAccMonCapability deviceType = iAccessoryInfo->AccDeviceType();

    if ((deviceType == KAccMonHeadset)||(deviceType == KAccMonBluetooth))

    {

        LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::DisconnectedL: Headset Disconnected");

        //send a callback

        if (iRoutingUserPreference == (TInt)(CAudioOutput::ENoPreference))

        {

            NotifyJavaOnChange();

        }

    }

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::DisconnectedL -");

}

// start observing headset connection disconnection

void CAMMSAudioOutputControl::CreateHeadsetStateObserverL()

{

    // Headset connection and disconnection

    iAccessoryInfo = NULL;

    capabilityArray.Append(KAccMonHeadset);

    capabilityArray.Append(KAccMonBluetooth);

    iAccMonitor = CAccMonitor::NewL();

    iDefaultDevicePreference = (CAudioOutput::TAudioOutputPreference)GetDeviceDefaultPreference();

    iCurrentPreference = (TInt)iDefaultDevicePreference;

    TBool isObserving = iAccMonitor->IsObserving();

    if (!isObserving)

    {

        iAccMonitor->StartObservingL(this, capabilityArray);

    }

}

// end CreateHeadsetStateObserver

// -----------------------------------------------------------------------------

// CAMMSPlayerStateListener::ConstructL

// 2nd phase constructor.

// (other items were commented in a header).

// -----------------------------------------------------------------------------

void CAMMSAudioOutputControl::ConstructL()

{

    LOG( EJavaAMMS, EInfo, "AMMS::CAMMSAudioOutputControl::ConstructL +");

    // create an observer to notify the state of headset

    //and initialize iDefaultDevicePreference with CAudioOutput::EPrivate if headset is connected.

    CreateHeadsetStateObserverL();

    iPlayer->AddStateListenerL(this);

}

void CAMMSAudioOutputControl::CreateNativeAudioOutputControlL()

{

    if (iAudioOutput)

    {

        return;

    }

    if (iPlayer->Type() == KMMAMIDIPlayer)

    {

        CMMAMIDIPlayer* mmaMIDIPlayer =

            reinterpret_cast< CMMAMIDIPlayer* >(iPlayer);

        iAudioOutput = CAudioOutput::NewL(*(mmaMIDIPlayer->MidiClient()));

    }

    else if (iPlayer->Type() == KMMAAudioPlayer)

    {

        MCustomCommand* customCommandUtility = (MCustomCommand *)CreateCustomCommandUtilityL();

        // Create the CAudioOutput Object to handle the audio routing

        iAudioOutput = CAudioOutput::NewL(*customCommandUtility);

    }

    else if (iPlayer->Type() == KMMAVideoPlayer)

    {

        CMMAVideoPlayer* mmaVideoPlayer =

            reinterpret_cast< CMMAVideoPlayer* >(iPlayer);

        RMMFController& mmfController = mmaVideoPlayer->Controller();

        MCustomCommand* customCommandUtility =

            CAMMSCustomCommandUtility::NewL(mmfController);

        iAudioOutput = CAudioOutput::NewL(*customCommandUtility);

    }

    if(iAudioOutput)

    {

   		iAudioOutput->RegisterObserverL(*this);

  	}

    else

    {

    	User::Leave(KErrNotSupported);

    }	

}

//  End of File