/*

* Copyright (c) 2002-2007 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 is base class for all players.

*

*/

//  INCLUDE FILES

#include <jdebug.h>

#include <JniEnvWrapper.h>

#include "cmmaplayer.h"

#include "cmmaeventsource.h"

#include "cmmadurationupdater.h"

#include "cmmavolumecontrol.h"

// CONSTANTS

_LIT(KPanicOutOfMem, "out of memory");

#ifdef _DEBUG // Needed only in ASSER_DEBUG statements.

_LIT(KPanicMethod, "method not found");

#endif

CMMAPlayer::~CMMAPlayer()

{

    DEBUG("CMMAPlayer::~CMMAPlayer()");

    iSourceStreams.ResetAndDestroy();

    if (iControls.Count() > 0)

        iControls.ResetAndDestroy();

    iStateListeners.Reset();

    delete iActionCompletedEvent;

    delete iOOMErrorEvent;

    delete iDurationUpdater;

    delete iContentType;

}

CMMAPlayer::CMMAPlayer():

        iRepeatNumberOfTimes(0),

        iRepeatForever(EFalse),

        iRepeatCount(0),

        iDuration(KTimeUnknown),

        iState(EUnrealized)

{

}

void CMMAPlayer::ConstructL()

{

    DEBUG("MMA::CMMAPlayer::ConstructL + ");

    iDurationUpdater = CMMADurationUpdater::NewL(*this);

    DEBUG("MMA::CMMAPlayer::ConstructL - ");

}

void CMMAPlayer::StaticAddSourceStreamL(JNIEnv* aJniEnv,

                                        CMMAPlayer* aPlayer,

                                        CMMAEventSource* aEventSource,

                                        jobject aReader,

                                        CMMASourceStream** aSourceStream)

{

    DEBUG("MMA::CMMAPlayer::StaticAddSourceStreamL +");

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

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

    aJniEnv = JniEnvWrapper::GetValidJniRef();

    *aSourceStream = aPlayer->AddSourceStreamL(aJniEnv,

                     aEventSource,

                     aReader);

    DEBUG("MMA::CMMAPlayer::StaticAddSourceStreamL -");

}

void CMMAPlayer::StaticSetPlayerListenerObjectL(CMMAPlayer* aPlayer,

        jobject aListenerObject,

        JNIEnv* aJni,

        MMMAEventPoster* aPoster)

{

    DEBUG("MMA::CMMAPlayer::StaticSetPlayerListenerObjectL +");

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

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

    aJni = JniEnvWrapper::GetValidJniRef();

    aPlayer->SetPlayerListenerObjectL(aListenerObject, aJni, aPoster);

    DEBUG("MMA::CMMAPlayer::StaticSetPlayerListenerObjectL -");

}

void CMMAPlayer::StaticInitPlayerL(CMMAPlayer* aPlayer,

                                   jobject aPlayerObject,

                                   JNIEnv* aJni)

{

    DEBUG("MMA::CMMAPlayer::StaticInitPlayerL +");

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

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

    aJni = JniEnvWrapper::GetValidJniRef();

    jmethodID actionCompletedMethod = aJni->GetMethodID(

                                          aJni->GetObjectClass(aPlayerObject),

                                          "actionCompleted",

                                          "(I)V");

    // Sanity Check, something is really wrong if methods cannot be found

    __ASSERT_DEBUG(actionCompletedMethod,

                   User::Panic(KPanicMethod, KErrGeneral));

    aPlayer->iActionCompletedEvent = new(ELeave) CMMAEvent(

        aPlayerObject,

        actionCompletedMethod,

        CMMAEvent::EReusableEvent);

    DEBUG("MMA::CMMAPlayer::StaticInitPlayerL -");

}

CMMAControl* CMMAPlayer::StaticControl(CMMAPlayer* aPlayer, TInt aIndex)

{

    DEBUG("MMA::CMMAPlayer::StaticControl +");

    return aPlayer->Control(aIndex);

}

void CMMAPlayer::RealizeL()

{

    DEBUG("MMA::CMMAPlayer::RealizeL +");

    ChangeState(ERealized);

}

void CMMAPlayer::CloseL()

{

    DEBUG("MMA::CMMAPlayer::CloseL ");

    PostObjectEvent(CMMAPlayerEvent::EClosed, NULL);

    ChangeState(EClosed);

}

void CMMAPlayer::GetDuration(TInt64* aDuration)

{

    DEBUG("MMA::CMMAPlayer::GetDuration ");

    *aDuration = iDuration;

}

void CMMAPlayer::SetMediaTimeL(TInt64* aTime)

{

    DEBUG("MMA::CMMAPlayer::SetMediaTimeL ");

    *aTime = KErrNotSupported;

}

void CMMAPlayer::GetMediaTime(TInt64* aMediaTime)

{

    DEBUG("MMA::CMMAPlayer::GetMediaTime ");

    *aMediaTime = KErrNotSupported;

}

EXPORT_C void CMMAPlayer::SetLoopCount(TInt aCount)

{

    DEBUG("MMA::CMMAPlayer::SetLoopCount ");

    iRepeatForever = (aCount == KJavaRepeatForever);

    iRepeatNumberOfTimes = aCount;

    iRepeatCount = 0;

}

HBufC* CMMAPlayer::ContentType() const

{

    DEBUG("MMA::CMMAPlayer::ContentType ");

    return iContentType;

}

void CMMAPlayer::SetPlayerListenerObjectL(jobject aListenerObject,

        JNIEnv* aJni,

        MMMAEventPoster* aEventPoster)

{

    DEBUG("MMA::CMMAPlayer::SetPlayerListenerObjectL +");

    iListenerObject = aListenerObject;

    iEventPoster = aEventPoster;

    jclass listenerClass = aJni->GetObjectClass(aListenerObject);

    iPostEvent = aJni->GetMethodID(

                     listenerClass,

                     "postEvent",

                     "(Ljava/lang/String;Ljava/lang/Object;)V");

    iPostObjectEvent = aJni->GetMethodID(listenerClass,

                                         "postObjectEvent",

                                         "(ILjava/lang/Object;)V");

    iPostLongEvent = aJni->GetMethodID(listenerClass,

                                       "postLongEvent",

                                       "(IJ)V");

    iPostStringEvent = aJni->GetMethodID(listenerClass,

                                         "postStringEvent",

                                         "(ILjava/lang/String;)V");

    iPostControlEvent = aJni->GetMethodID(listenerClass,

                                          "postControlEvent",

                                          "(ILjava/lang/String;)V");

    // Sanity Check, something is really wrong if methods cannot be found

    __ASSERT_DEBUG(iPostEvent &&

                   iPostObjectEvent &&

                   iPostLongEvent &&

                   iPostStringEvent &&

                   iPostControlEvent,

                   User::Panic(KPanicMethod, KErrGeneral));

    iOOMErrorEvent = new(ELeave) CMMAPlayerEvent(iListenerObject,

            iPostStringEvent,

            CMMAEvent::EReusableEvent);

    iOOMErrorEvent->SetStringEventL(CMMAPlayerEvent::EError,

                                    KPanicOutOfMem);

    DEBUG("MMA::CMMAPlayer::SetPlayerListenerObjectL -");

}

EXPORT_C TInt CMMAPlayer::ControlCount()

{

    return iControls.Count();

}

EXPORT_C CMMAControl* CMMAPlayer::Control(TInt aIndex)

{

    return iControls[ aIndex ];

}

void CMMAPlayer::RefreshControls()

{

    for (TInt index = 0; index < iControls.Count(); index++)

    {

        CMMAControl* control = iControls[ index ];

        control->RefreshControl();

    }

}

EXPORT_C  void CMMAPlayer::AddStateListenerL(MMMAPlayerStateListener* aListener)

{

    User::LeaveIfError(iStateListeners.Append(aListener));

}

EXPORT_C void CMMAPlayer::RemoveStateListener(MMMAPlayerStateListener* aListener)

{

    TInt index = iStateListeners.Find(aListener);

    if (index != KErrNotFound)

    {

        iStateListeners.Remove(index);

    }

}

const TDesC& CMMAPlayer::Type()

{

    // by default player has not the type

    return KNullDesC;

}

void CMMAPlayer::SetContentType(HBufC* aContentType)

{

    delete iContentType;

    iContentType = aContentType;

}

void CMMAPlayer::ResetSourceStreams()

{

    DEBUG("MMA::CMMAPlayer::ResetSourceStreams +");

    int sourceStreamsCount = iSourceStreams.Count();

    for (int i = 0; i < sourceStreamsCount; i++)

    {

        iSourceStreams[ i ]->ResetData();

    }

    DEBUG("MMA::CMMAPlayer::ResetSourceStreams -");

}

EXPORT_C void CMMAPlayer::AddControlL(CMMAControl* aControl)

{

    User::LeaveIfError(iControls.Append(aControl));

}

void CMMAPlayer::PostLongEvent(CMMAPlayerEvent::TEventType aEventType,

                               const TInt64& aLongEventData)

{

    DEBUG("MMA::CMMAPlayer::PostLongEvent ");

    if (!iListenerObject || !iEventPoster)

    {

        DEBUG("MMA::CMMAPlayer::PostLongEvent No listener");

        // return since player is not ready for posting any events and is not initialized

        return;

    }

    CMMAPlayerEvent* playerEvent = new CMMAPlayerEvent(iListenerObject,

            iPostLongEvent);

    if (!playerEvent)

    {

        // creation of player event failed, informing Java

        iEventPoster->PostEvent(iOOMErrorEvent);

        return;

    }

    playerEvent->SetLongEvent(aEventType, aLongEventData);

    // event poster takes ownership of event

    iEventPoster->PostEvent(playerEvent);

}

EXPORT_C void CMMAPlayer::PostStringEvent(CMMAPlayerEvent::TEventType aEventType,

        const TDesC& aStringEventData)

{

    DEBUG("MMA::CMMAPlayer::PostStringEvent ");

    if (!iListenerObject || !iEventPoster)

    {

        DEBUG("MMA::CMMAPlayer::PostStringEvent No listener");

        // return since player is not ready for posting any events and is not initialized

        return;

    }

    CMMAPlayerEvent* playerEvent = new CMMAPlayerEvent(iListenerObject,

            iPostStringEvent);

    if (!playerEvent)

    {

        // creation of player event failed, informing Java

        iEventPoster->PostEvent(iOOMErrorEvent);

        return;

    }

    TRAPD(err, playerEvent->SetStringEventL(aEventType, aStringEventData));

    if (err != KErrNone)

    {

        // string setting failed, informing Java

        iEventPoster->PostEvent(iOOMErrorEvent);

        return;

    }

    // event poster takes ownership of event

    iEventPoster->PostEvent(playerEvent);

}

EXPORT_C void CMMAPlayer::PostObjectEvent(CMMAPlayerEvent::TEventType aEventType,

        const jobject aEventData)

{

    DEBUG("MMA::CMMAPlayer::PostObjectEvent ");

    if (!iListenerObject || !iEventPoster)

    {

        DEBUG("MMA::CMMAPlayer::PostObjectEvent No listener");

        // return since player is not ready for posting any events and is not initialized

        return;

    }

    CMMAPlayerEvent* playerEvent = new CMMAPlayerEvent(iListenerObject,

            iPostObjectEvent);

    if (!playerEvent)

    {

        // creation of player event failed, informing Java

        iEventPoster->PostEvent(iOOMErrorEvent);

        return;

    }

    TRAPD(err, playerEvent->SetObjectEventL(aEventType, aEventData));

    if (err != KErrNone)

    {

        // creation of player event failed, informing Java

        iEventPoster->PostEvent(iOOMErrorEvent);

        return;

    }

    // event poster takes ownership of event

    iEventPoster->PostEvent(playerEvent);

}

EXPORT_C CMMASourceStream* CMMAPlayer::AddSourceStreamL(JNIEnv* aJNIEnv,

        CMMAEventSource* aEventSource,

        jobject aReader)

{

    DEBUG("MMA::CMMAPlayer::AddSourceStreamL ");

    CMMASourceStream* sourceStream = CMMASourceStream::NewL(aJNIEnv,

                                     aEventSource,

                                     aReader,

                                     this);

    CleanupStack::PushL(sourceStream);

    User::LeaveIfError(iSourceStreams.Append(sourceStream));

    CleanupStack::Pop(); // sourceStream

    return sourceStream;

}

void CMMAPlayer::PostActionCompleted(TInt aError)

{

    iActionCompletedEvent->SetEventData(aError);

    iEventPoster->PostEvent(iActionCompletedEvent,

                            CMMAEvent::ENotifyPriority);

}

void CMMAPlayer::ChangeState(TPlayerState aState)

{

    iState = aState;

    DEBUG_INT("MMA::CMMAPlayer::ChangeState - iStateListeners count is %d", iStateListeners.Count());

    for (TInt i(0); i<iStateListeners.Count(); i++)

    {

        iStateListeners[ i ]->StateChanged(aState);

    }

    DEBUG_INT("MMA::CMMAPlayer::ChangeState - State changed to %d", iState);

}

void CMMAPlayer::ReadCompletedL(TInt /*aStatus*/, const TDesC8& /*aData*/)

{

    // empty implementation

    DEBUG("MMA::CMMAPlayer::ReadCompletedL ");

}

void CMMAPlayer:: DeleteControls()

{

    if (iControls.Count() > 0)

    {

        iControls.ResetAndDestroy();

    }

}

//  END OF FILE