/*
* Copyright (c) 2006 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: Music Player stautus observer
*
*/
#include <mpxplaybackutility.h>
#include <mpxplaybackmessage.h>
#include <mpxmedia.h>
#include <mpxmediageneraldefs.h>
#include <mpxmediamusicdefs.h>
#include <mpxmessagegeneraldefs.h>
#include <mpxplaybackmessagedefs.h>
#include <mpxalbumartutil.h>
#include <mpxlog.h>
#include "aiplayerpluginengine.h"
const TInt KMPXOneSecInMilliSecs( 1000 );
const TUid KMusicPlayerAppUid = { 0x102072C3 };
// ======== MEMBER FUNCTIONS ========
// ---------------------------------------------------------------------------
// CAiPlayerPluginEngine::ConstructL
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::ConstructL()
{
MPX_DEBUG1("CAiPlayerPluginEngine::ConstructL");
// Get the playback utility instance from engine.
//iPlaybackUtility = MMPXPlaybackUtility::NewL( KPbModeActivePlayer, this );
iPlaybackUtility = MMPXPlaybackUtility::NewL( KMusicPlayerAppUid, this );
iAlbumArtUtil = CMPXAlbumArtUtil::NewL();
if (iPlaybackUtility->StateL() == EPbStatePlaying)
{
RequestMediaL();
}
}
// ---------------------------------------------------------------------------
// CAiPlayerPluginEngine::NewL
// ---------------------------------------------------------------------------
//
CAiPlayerPluginEngine* CAiPlayerPluginEngine::NewL(
MAiPlayerPluginEngineObserver& aObserver )
{
MPX_DEBUG1("CAiPlayerPluginEngine::NewL");
CAiPlayerPluginEngine* self = new ( ELeave )
CAiPlayerPluginEngine( aObserver );
CleanupStack::PushL( self );
self->ConstructL();
CleanupStack::Pop( self );
return self;
}
// ---------------------------------------------------------------------------
// CAiPlayerPluginEngine::CAiPlayerPluginEngine
// ---------------------------------------------------------------------------
//
CAiPlayerPluginEngine::CAiPlayerPluginEngine(
MAiPlayerPluginEngineObserver& aObserver )
: iObserver( &aObserver ),
iPlaybackUtility( NULL ),
iTitle( NULL ),
iArtist( NULL ),
iUri( NULL ),
iMedia( NULL ),
iPosition( KErrNotFound ),
iDuration( KErrNotFound ),
iExtractingAlbumArt( EFalse ),
iSkipping( EFalse )
{
}
// ---------------------------------------------------------------------------
// CAiPlayerPluginEngine::~CAiPlayerPluginEngine
// ---------------------------------------------------------------------------
//
CAiPlayerPluginEngine::~CAiPlayerPluginEngine()
{
MPX_DEBUG1("CAiPlayerPluginEngine::~CAiPlayerPluginEngine");
if ( iPlaybackUtility )
{
iPlaybackUtility->Close();
}
delete iMedia;
delete iAlbumArtUtil;
delete iTitle;
delete iArtist;
delete iUri;
}
// ---------------------------------------------------------------------------
// From MMPXPlaybackObserver
// Handle playback message.
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::HandlePlaybackMessage( CMPXMessage* aMessage,
TInt aError )
{
if ( aError == KErrNone && aMessage )
{
TRAP_IGNORE( DoHandlePlaybackMessageL( *aMessage ) );
}
}
// ---------------------------------------------------------------------------
// From MMPXPlaybackCallback
// Handle playback property.
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::HandlePropertyL( TMPXPlaybackProperty aProperty,
TInt aValue, TInt aError )
{
DoHandlePropertyL( aProperty, aValue, aError );
}
// ---------------------------------------------------------------------------
// From MMPXPlaybackCallback
// Method is called continously until aComplete=ETrue, signifying that
// it is done and there will be no more callbacks
// Only new items are passed each time
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::HandleSubPlayerNamesL(
TUid /* aPlayer */,
const MDesCArray* /* aSubPlayers */,
TBool /* aComplete */,
TInt /* aError */ )
{
// do nothing
}
// ---------------------------------------------------------------------------
// From MMPXPlaybackCallback
// Handle media
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::HandleMediaL( const CMPXMedia& aMedia,
TInt aError )
{
MPX_DEBUG1("CAiPlayerPluginEngine::HandleMediaL");
if ( KErrNone == aError )
{
delete iUri;
iUri = NULL;
if (aMedia.IsSupported(KMPXMediaGeneralUri))
{
TParsePtrC filePath(aMedia.ValueText(KMPXMediaGeneralUri) );
iUri = filePath.FullName().AllocL();
}
delete iTitle;
iTitle = NULL;
if ( aMedia.IsSupported( KMPXMediaGeneralTitle ) )
{
iTitle = ( aMedia.ValueText( KMPXMediaGeneralTitle ) ).AllocL();
}
else if ( aMedia.IsSupported( KMPXMediaGeneralUri ) )
{
TParsePtrC filePath( aMedia.ValueText( KMPXMediaGeneralUri ) );
iTitle = (filePath.Name()).AllocL();
}
delete iArtist;
iArtist = NULL;
if ( aMedia.IsSupported( KMPXMediaMusicArtist ) )
{
iArtist = ( aMedia.ValueText( KMPXMediaMusicArtist ) ).AllocL();
}
iObserver->TrackInfoChanged(iTitle ? *iTitle : KNullDesC(), iArtist ? *iArtist : KNullDesC());
if (!iSkipping)
{
if (iExtractingAlbumArt)
{
iAlbumArtUtil->CancelRequest();
iExtractingAlbumArt=EFalse;
}
if ( aMedia.IsSupported( KMPXMediaMusicAlbumArtFileName ) )
{
delete iMedia;
iMedia=NULL;
iMedia = CMPXMedia::NewL( aMedia );
TRAPD(err,iAlbumArtUtil->ExtractAlbumArtL(
*iMedia,
*this,
TSize(70,70),
EFalse));
if (err != KErrNone)
{
iObserver->AlbumArtChanged(NULL);
}
}
else
{
iObserver->AlbumArtChanged(NULL);
}
}
else
{
iObserver->AlbumArtChanged(NULL);
}
}
}
// ---------------------------------------------------------------------------
// From MMPXPlaybackCallback
// Handle completion of a asynchronous command
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::HandlePlaybackCommandComplete(
CMPXCommand* /*aCommandResult*/, TInt /*aError*/ )
{
// do nothing
}
// ---------------------------------------------------------------------------
// From MMPXAlbumArtUtilObserver
// Notify that extraction of album art started.
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::ExtractAlbumArtStarted()
{
iExtractingAlbumArt = ETrue;
}
// ---------------------------------------------------------------------------
// From MMPXAlbumArtUtilObserver
// Notify that the extraction of album art has completed.
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::ExtractAlbumArtCompleted(
CFbsBitmap* aBitmap,
TInt aErr )
{
if (aErr == KErrNone)
{
iObserver->AlbumArtChanged(aBitmap);
}
else
{
iObserver->AlbumArtChanged(NULL);
}
iExtractingAlbumArt = EFalse;
}
// ---------------------------------------------------------------------------
// Get the current state of the active player
// ---------------------------------------------------------------------------
//
TMPlayerState CAiPlayerPluginEngine::PlayerState()
{
MPX_DEBUG1( "CAiPlayerPluginEngine::PlayerState" );
TMPXPlaybackState state( EPbStateNotInitialised );
TRAP_IGNORE( state = iPlaybackUtility->StateL() );
return MapState( state );
}
// ---------------------------------------------------------------------------
// CAiPlayerPluginEngine::TitleL
// ---------------------------------------------------------------------------
//
const TDesC& CAiPlayerPluginEngine::TitleL()
{
if ( iTitle )
{
return *iTitle;
}
else
{
RequestMediaL();
return KNullDesC;
}
}
// ---------------------------------------------------------------------------
// CAiPlayerPluginEngine::Artist
// ---------------------------------------------------------------------------
//
const TDesC& CAiPlayerPluginEngine::Artist()
{
if ( iArtist )
{
return *iArtist;
}
else
{
return KNullDesC;
}
}
// ---------------------------------------------------------------------------
// CAiPlayerPluginEngine::Artist
// ---------------------------------------------------------------------------
//
const TDesC& CAiPlayerPluginEngine::Uri()
{
if ( iUri )
{
return *iUri;
}
else
{
return KNullDesC;
}
}
// ----------------------------------------------------
// CAiPlayerPluginEngine::Position
// ----------------------------------------------------
//
TInt CAiPlayerPluginEngine::Position()
{
return iPosition;
}
// ----------------------------------------------------
// CAiPlayerPluginEngine::Duration
// ----------------------------------------------------
//
TInt CAiPlayerPluginEngine::Duration()
{
return iDuration;
}
// ---------------------------------------------------------------------------
// Handle playback message.
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::DoHandlePlaybackMessageL(
const CMPXMessage& aMessage )
{
MPX_DEBUG1("CAiPlayerPluginEngine::DoHandlePlaybackMessageL");
TMPXMessageId id(
aMessage.ValueTObjectL<TMPXMessageId>( KMPXMessageGeneralId ) );
if ( KMPXMessageGeneral == id )
{
TInt event( aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralEvent ) );
MPX_DEBUG2( "CAiPlayerPluginEngine::DoHandlePlaybackMessageL(%d)",
event );
switch ( event )
{
case TMPXPlaybackMessage::EPropertyChanged:
{
TInt error( KErrNone );
DoHandlePropertyL(
aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralType ),
aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralData ),
error );
break;
}
case TMPXPlaybackMessage::EStateChanged:
{
TMPXPlaybackState state(
aMessage.ValueTObjectL<TMPXPlaybackState>(
KMPXMessageGeneralType ));
MPX_DEBUG2("CAiPlayerPluginEngine::HandlePlaybackMessageL - E"
"StateChanged(%d)", state);
DoHandleStateChangedL( state );
break;
}
case TMPXPlaybackMessage::EMediaChanged:
case TMPXPlaybackMessage::EPlaylistUpdated:
{
iPlaybackUtility->PropertyL( *this, EPbPropertyPosition );
iPlaybackUtility->PropertyL( *this, EPbPropertyDuration );
RequestMediaL();
break;
}
case TMPXPlaybackMessage::ECommandReceived:
{
MPX_DEBUG2("CAiPlayerPluginEngine::HandlePlaybackMessageL - E"
"CommandReceived(%d)",
aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralType ) );
break;
}
case TMPXPlaybackMessage::EActivePlayerChanged:
{
MPX_DEBUG3("CAiPlayerPluginEngine::HandlePlaybackMessageL - E"
"ActivePlayerChanged(%d, %d)",
aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralType ),
aMessage.ValueTObjectL<TInt>( KMPXMessageGeneralData ) );
iPlaybackUtility->PropertyL( *this, EPbPropertyPosition );
iPlaybackUtility->PropertyL( *this, EPbPropertyDuration );
DoHandleStateChangedL( iPlaybackUtility->StateL() );
// refresh media property
RequestMediaL();
break;
}
case TMPXPlaybackMessage::ESkipping:
{
MPX_DEBUG1( "CAiPlayerPluginEngine::DoHandlePlaybackMessageL - ESkipping");
iAlbumArtUtil->CancelRequest();
iObserver->Opening();
iSkipping =ETrue;
break;
}
case TMPXPlaybackMessage::ESkipEnd:
{
MPX_DEBUG1( "CAiPlayerPluginEngine::DoHandlePlaybackMessageL - ESkipEnd()");
iSkipping = EFalse;
break;
}
default:
{
break;
}
}
}
}
// ---------------------------------------------------------------------------
// Handle playback property.
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::DoHandlePropertyL( TInt aProperty, TInt aValue,
TInt aError )
{
MPX_DEBUG4("CAiPlayerPluginEngine::DoHandlePropertyL - Property(%d); Valu"
"e(%d); Error(%d)", aProperty, aValue, aError );
if ( KErrNone == aError )
{
switch ( aProperty )
{
case EPbPropertyPosition:
{
iPosition = aValue / KMPXOneSecInMilliSecs;
iObserver->PlaybackPositionChanged( iPosition );
break;
}
case EPbPropertyDuration:
{
iDuration = aValue / KMPXOneSecInMilliSecs;
break;
}
default:
{
break;
}
}
}
}
// ---------------------------------------------------------------------------
// Handle playback state changed.
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::DoHandleStateChangedL( TMPXPlaybackState aState )
{
TMPlayerState state = MapState( aState );
MPX_DEBUG3("CAiPlayerPluginEngine::DoHandleStateChangedL - State mapped "
"from (%d) to (%d)", aState, state );
if (state != EMPlayerStateStarting)
{
iObserver->PlayerStateChanged(state);
}
else
{
iObserver->Opening();
}
}
// ---------------------------------------------------------------------------
// Displays error notes.
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::HandleErrorL( TInt aError )
{
MPX_DEBUG2("CAiPlayerPluginEngine::HandleErrorL(%d)", aError );
}
// ---------------------------------------------------------------------------
// Map states from TMPXPlaybackState to TMPlayerState
// ---------------------------------------------------------------------------
//
TMPlayerState CAiPlayerPluginEngine::MapState( TMPXPlaybackState aState )
{
TMPlayerState state = EMPlayerStateOther;
switch ( aState )
{
case EPbStatePlaying:
state = EMPlayerStatePlaying;
break;
case EPbStatePaused:
state = EMPlayerStatePaused;
break;
case EPbStateSeekingForward:
case EPbStateSeekingBackward:
state = EMPlayerStateSeeking;
break;
case EPbStateNotInitialised:
case EPbStateInitialising:
state = EMPlayerStateStarting;
break;
case EPbStateStopped:
state = EMPlayerStateStopped;
break;
default:
break;
}
return state;
}
// ---------------------------------------------------------------------------
// Requests Media.
// ---------------------------------------------------------------------------
//
void CAiPlayerPluginEngine::RequestMediaL()
{
MPX_DEBUG1( "CAiPlayerPluginEngine::RequestMediaL" );
MMPXSource* s = iPlaybackUtility->Source();
if ( s )
{
RArray<TMPXAttribute> attrs;
CleanupClosePushL(attrs);
attrs.Append( KMPXMediaGeneralUri );
attrs.Append( KMPXMediaGeneralTitle );
attrs.Append( KMPXMediaMusicArtist );
attrs.Append( KMPXMediaMusicAlbumArtFileName );
s->MediaL( attrs.Array(), *this );
CleanupStack::PopAndDestroy( &attrs );
}
else
{
iObserver->PlaylisIsEmpty();
}
}
// End of File