/*

* Copyright (c) 2008 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 launchs music player, then send play command

*                to the player at 2 seconds timeout.

*

*/

// INCLUDE FILES

#include <apacmdln.h>

#include <apgcli.h>

#include <e32property.h>

#include <remconcoreapitarget.h>

#include "btrccplayerstarter.h"

#include "btaudioremconpskeys.h"

#include "debug.h"

// MODULE DATA STRUCTURES

// mpx playeris name is mpx.exe in 5.0.

// it is musicplayer.exe in 3.2.

_LIT(KMpxPlayerExeName, "mpx.exe");

_LIT(KMpxPlayerSearchPatternBySID, "*102072c3*");

static const TInt KPlayCmdToPlayerDelay = 6000000; // value will be tuned later 

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

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

// CPlayerStarter::NewL

// Two-phased constructor.

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

//

CPlayerStarter* CPlayerStarter::NewL()

	{

	CPlayerStarter* self = new (ELeave) CPlayerStarter();

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

void CPlayerStarter::SetCoreTarget(CRemConCoreApiTarget& aTarget)

    {

    iCoreTarget = &aTarget;

    }

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

// CPlayerStarter::CPlayerStarter

// C++ constructor.

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

//

CPlayerStarter::CPlayerStarter()

  :CActive(EPriorityNormal)

    {

    CActiveScheduler::Add(this);

    }

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

// CPlayerStarter::ConstructL

// Symbian 2nd phase constructor.

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

//

void CPlayerStarter::ConstructL()

    {

    TRACE_FUNC

    iTimer.CreateLocal();

    }

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

// Destructor.

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

//

CPlayerStarter::~CPlayerStarter()

	{

	TRACE_FUNC

	// Starting player is not finished yet, send play command. Just wish the player 

	// can receive it.

	if (IsActive() && iState != ERespondPlayNok)

	    {

        RProperty::Set(KBTAudioRemCon, KBTAudioPlayerControl, 

                EBTAudioResumePlayer);	    

	    }

	Cancel();

	iTimer.Close();

	}

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

// CPlayerStarter::RunL

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

//

void CPlayerStarter::RunL()

    {

    TRACE_INFO((_L("CPlayerStarter::RunL() state %d, status %d"), iState, iStatus.Int()));

    if (iStatus != KErrNone)

        {

        iState = EIdle;

        return;

        }

    switch (iState)

        {

        case ERespondPlayOk:

            {

            // Response OK has been sent to the remote device, start timer waiting

            // for player's initialization.

            iTimer.After(iStatus, KPlayCmdToPlayerDelay);

            SetActive();

            iState = EPlayMusicTiming;

            TRACE_INFO(_L("schedule PLAY command ..."));

            break;

            }

        case EPlayMusicTiming:

            {

            // Player should have fully up and running. Send PLAY command to it

            // through our internal Play API.

            RProperty::Set(KBTAudioRemCon, KBTAudioPlayerControl, 

                    EBTAudioResumePlayer);

            TRACE_INFO(_L("PLAY command sent to btmonobearer"));

            iState = EIdle;

            break;

            }

        default:

            {

            iState = EIdle;

            break;

            }

        }

    }

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

// CPlayerStarter::RunError

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

//

TInt CPlayerStarter::RunError(TInt aError)

    {

    TRACE_FUNC

    (void) aError;

    return KErrNone;

    }

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

// CPlayerStarter::DoCancel

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

//

void CPlayerStarter::DoCancel()

    {

    TRACE_FUNC

    switch (iState)

        {

        case ERespondPlayOk:

        case ERespondPlayNok:

            {

            // This cancel won't cancel the response sending to the remote 

            // device. (RemCon FW's cancel mechanism is only completing client's request.

            // the real operation in its server side won't be stopped.)

            iCoreTarget->Cancel();

            break;

            }

        case EPlayMusicTiming:

            {

            iTimer.Cancel();

            break;

            }

        }

    }

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

// A 'play' command has been received.

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

//

void CPlayerStarter::MrccatoPlay(

    TRemConCoreApiPlaybackSpeed /* aSpeed */,

    TRemConCoreApiButtonAction aButtonAct )

    {

    TRACE_FUNC

    if ( ( aButtonAct == ERemConCoreApiButtonClick ) ||

        ( aButtonAct == ERemConCoreApiButtonPress ) )

        {

        StartPlayIfNeeded();

        }

    }

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

// A command has been received.

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

//

void CPlayerStarter::MrccatoCommand(

    TRemConCoreApiOperationId aOperationId,

    TRemConCoreApiButtonAction aButtonAct )

    {

    TRACE_INFO((_L("CPlayerStarter::MrccatoCommand opId %d, button %d"), 

        aOperationId, aButtonAct));

    switch (aOperationId)

        {

        case ERemConCoreApiPlay:

            {

            if ( ( aButtonAct == ERemConCoreApiButtonClick ) ||

                ( aButtonAct == ERemConCoreApiButtonPress ) )

                {

                StartPlayIfNeeded();

                }

            break;

            }

        case ERemConCoreApiStop:

        case ERemConCoreApiPause:

            {

            if ( ( aButtonAct == ERemConCoreApiButtonClick ) ||

                ( aButtonAct == ERemConCoreApiButtonPress ) )

                {

                // if starting player is ongoing, possibly PLAY command has been scheduled

                // need to abort it.

                Cancel();

                }

            break;

            }

        default:

            {

            break;

            }

        }

    }

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

// CPlayerStarter::StartPlayIfNeeded

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

//

void CPlayerStarter::StartPlayIfNeeded() 

    {

    TRACE_FUNC

    // unfinished business ongoing, eat the event.

    if (IsActive())

        {

        return;

        }

    if (!IsMusicPlayerRunning())

         {

         TRAPD(err, LaunchMusicPlayerL());

         // Send the response of play command to remote device

         iCoreTarget->PlayResponse(iStatus, err);

         SetActive();

         iState = (err) ? ERespondPlayNok : ERespondPlayOk;

         }

    }

TBool CPlayerStarter::IsMusicPlayerRunning()

    {

    TRACE_FUNC

    // Music player is running if we can find a thread whose name contains 

    // S60 Music Player's SID.

    TFindThread findt(KMpxPlayerSearchPatternBySID);

    TFullName result;

    TBool running(EFalse);

    if (!findt.Next(result))

        {

        TRACE_INFO((_L("Thread '%S'is found"), &result));

        running = ETrue;

        }

    return running;

    }

void CPlayerStarter::LaunchMusicPlayerL()

    {

    RApaLsSession ls;

    User::LeaveIfError(ls.Connect());

    CleanupClosePushL(ls);

    CApaCommandLine* cmd = CApaCommandLine::NewL();

    CleanupStack::PushL(cmd);

    cmd->SetExecutableNameL( KMpxPlayerExeName );

    cmd->SetCommandL( EApaCommandOpen );

    User::LeaveIfError(ls.StartApp( *cmd ));

    CleanupStack::PopAndDestroy(2); // cmd, ls

    }

//  End of File