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MetaTypeExporter.cpp
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MetaTypeExporter.cpp
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/****************************************************************************************
* Copyright (c) 2008 Peter ZHOU <peterzhoulei@gmail.com> *
* Copyright (c) 2008 Ian Monroe <ian@monroe.nu> *
* *
* This program is free software; you can redistribute it and/or modify it under *
* the terms of the GNU General Public License as published by the Free Software *
* Foundation; either version 2 of the License, or (at your option) any later *
* version. *
* *
* This program is distributed in the hope that it will be useful, but WITHOUT ANY *
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A *
* PARTICULAR PURPOSE. See the GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* this program. If not, see <http://www.gnu.org/licenses/>. *
****************************************************************************************/
#include "MetaTypeExporter.h"
#include "core/support/Debug.h"
#include "core/meta/Meta.h"
#include "core/meta/support/MetaConstants.h"
#include "core/meta/Statistics.h"
#include "core/meta/TrackEditor.h"
#include "core-impl/collections/support/CollectionManager.h"
#include "core-impl/collections/support/jobs/WriteTagsJob.h"
#include "core-impl/meta/proxy/MetaProxy.h"
#include "MetaTagLib.h"
#include "scripting/scriptengine/ScriptingDefines.h"
#include <ThreadWeaver/Queue>
#include <ThreadWeaver/Job>
#include <QJSEngine>
Q_DECLARE_METATYPE( StringMap )
using namespace AmarokScript;
#define CHECK_TRACK( X ) if( !m_track ){ warning() << "Invalid track!"; return X; };
#define GET_TRACK_EC( X ) CHECK_TRACK() \
Meta::TrackEditorPtr ec = m_track->editor(); \
if( ec ) \
{ \
X; \
}
MetaTrackPrototypeWrapper::MetaTrackPrototypeWrapper( QJSEngine *engine )
: QObject( engine )
, m_engine( engine )
{
}
QJSValue
MetaTrackPrototypeWrapper::trackCtor( QJSValue arg )
{
QUrl url( qjsvalue_cast<QUrl>( arg ) );
if( !url.isValid() ) {
QJSValue errorObj = m_engine->newErrorObject( QJSValue::TypeError, QStringLiteral("Invalid QUrl") );
m_engine->throwError( errorObj.errorType(), errorObj.toString() );
return errorObj;
}
MetaProxy::TrackPtr proxyTrack( new MetaProxy::Track( url ) );
proxyTrack->setTitle( url.fileName() ); // set temporary name
return m_engine->newQObject( new MetaTrackPrototype( Meta::TrackPtr( proxyTrack.data() ) ) );
}
void
MetaTrackPrototype::init( QJSEngine *engine )
{
qRegisterMetaType<Meta::TrackPtr>();
QMetaType::registerConverter<Meta::TrackPtr, QJSValue>( [=] (Meta::TrackPtr trackPtr) { return toScriptValue<Meta::TrackPtr, MetaTrackPrototype>( engine, trackPtr ); } );
QMetaType::registerConverter<QJSValue, Meta::TrackPtr>( [] (QJSValue jsValue) {
Meta::TrackPtr trackPtr;
fromScriptValue<Meta::TrackPtr, MetaTrackPrototype>( jsValue, trackPtr );
return trackPtr;
} );
qRegisterMetaType<Meta::TrackList>();
QMetaType::registerConverter<Meta::TrackList,QJSValue>( [=] (Meta::TrackList trackList) { return toScriptArray<Meta::TrackList>( engine, trackList); } );
QMetaType::registerConverter<QJSValue,Meta::TrackList>( [] (QJSValue jsValue) {
Meta::TrackList trackList;
fromScriptArray<Meta::TrackList>( jsValue, trackList );
return trackList;
} );
qRegisterMetaType<StringMap>();
QMetaType::registerConverter<StringMap,QJSValue>( [=] (StringMap stringMap) { return toScriptMap<StringMap>( engine, stringMap); } );
QMetaType::registerConverter<QJSValue,StringMap>( [] (QJSValue jsValue) {
StringMap stringMap;
fromScriptMap<StringMap>( jsValue, stringMap );
return stringMap;
} );
qRegisterMetaType<Meta::FieldHash>();
QMetaType::registerConverter<Meta::FieldHash,QJSValue>( [=] (Meta::FieldHash fieldHash) { return toScriptTagMap( engine, fieldHash); } );
QMetaType::registerConverter<QJSValue,Meta::FieldHash>( [] (QJSValue jsValue) {
Meta::FieldHash fieldHash;
fromScriptTagMap( jsValue, fieldHash );
return fieldHash;
} );
QJSValue scriptObj = engine->newQObject( new MetaTrackPrototypeWrapper( engine ) );
engine->globalObject().setProperty( QStringLiteral("Track"), scriptObj.property("trackCtor"));
}
MetaTrackPrototype::MetaTrackPrototype( const Meta::TrackPtr &track )
: QObject( nullptr )
, m_track( track )
{
}
Meta::FieldHash
MetaTrackPrototype::tags() const
{
if( !isLoadedAndLocal() )
return Meta::FieldHash();
return Meta::Tag::readTags( m_track->playableUrl().path() );
}
int
MetaTrackPrototype::sampleRate() const
{
CHECK_TRACK( 0 )
return m_track->sampleRate();
}
int
MetaTrackPrototype::bitrate() const
{
CHECK_TRACK( 0 )
return m_track->bitrate();
}
double
MetaTrackPrototype::score() const
{
CHECK_TRACK( 0.0 )
return m_track->statistics()->score();
}
int
MetaTrackPrototype::rating() const
{
CHECK_TRACK( 0 )
return m_track->statistics()->rating();
}
bool
MetaTrackPrototype::inCollection() const
{
CHECK_TRACK( false )
return m_track->inCollection();
}
QString
MetaTrackPrototype::type() const
{
CHECK_TRACK( QString() )
return m_track->type();
}
qint64
MetaTrackPrototype::length() const
{
CHECK_TRACK( 0 )
return m_track->length();
}
int
MetaTrackPrototype::fileSize() const
{
CHECK_TRACK( 0 )
return m_track->filesize();
}
int
MetaTrackPrototype::trackNumber() const
{
CHECK_TRACK( 0 )
return m_track->trackNumber();
}
int
MetaTrackPrototype::discNumber() const
{
CHECK_TRACK( 0 )
return m_track->discNumber();
}
int
MetaTrackPrototype::playCount() const
{
CHECK_TRACK( 0 )
return m_track->statistics()->playCount();
}
bool
MetaTrackPrototype::playable() const
{
CHECK_TRACK( false )
return m_track->isPlayable();
}
QString
MetaTrackPrototype::album() const
{
CHECK_TRACK( QString() )
return m_track->album() ? m_track->album()->prettyName() : QString();
}
QString
MetaTrackPrototype::artist() const
{
CHECK_TRACK( QString() )
return m_track->artist() ? m_track->artist()->prettyName() : QString();
}
QString
MetaTrackPrototype::composer() const
{
CHECK_TRACK( QString() )
return m_track->composer() ? m_track->composer()->prettyName() : QString();
}
QString
MetaTrackPrototype::genre() const
{
CHECK_TRACK( QString() )
return m_track->genre() ? m_track->genre()->prettyName() : QString();
}
int
MetaTrackPrototype::year() const
{
CHECK_TRACK( 0 )
return m_track->year() ? m_track->year()->year() : 0;
}
QString
MetaTrackPrototype::comment() const
{
CHECK_TRACK( QString() )
return m_track->comment();
}
QString
MetaTrackPrototype::path() const
{
CHECK_TRACK( QString() )
return m_track->playableUrl().path();
}
QString
MetaTrackPrototype::title() const
{
CHECK_TRACK ( QString() )
return m_track->prettyName();
}
QString
MetaTrackPrototype::imageUrl() const
{
CHECK_TRACK( QString() )
return m_track->album() ? m_track->album()->imageLocation().toDisplayString() : QString();
}
QString
MetaTrackPrototype::url() const
{
CHECK_TRACK( QString() )
return m_track->playableUrl().url();
}
double
MetaTrackPrototype::bpm() const
{
CHECK_TRACK( 0.0 )
return m_track->bpm();
}
bool
MetaTrackPrototype::isLoaded() const
{
MetaProxy::TrackPtr proxyTrack = MetaProxy::TrackPtr::dynamicCast( m_track );
if( proxyTrack && !proxyTrack->isResolved() )
{
const_cast<MetaTrackPrototype*>( this )->Observer::subscribeTo( m_track );
return false;
}
return true;
}
QJSValue
MetaTrackPrototype::imagePixmap( int size ) const
{
CHECK_TRACK( QJSValue() )
return m_track->album() ? m_engine->toScriptValue( m_track->album()->image( size ) ) : QJSValue();
}
bool
MetaTrackPrototype::isValid() const
{
return m_track;
}
bool
MetaTrackPrototype::isEditable()
{
CHECK_TRACK( false )
return m_track->editor(); // converts to bool nicely
}
QString
MetaTrackPrototype::lyrics() const
{
CHECK_TRACK( QString() )
return m_track->cachedLyrics();
}
void
MetaTrackPrototype::setScore( double score )
{
CHECK_TRACK()
m_track->statistics()->setScore( score );
}
void
MetaTrackPrototype::setRating( int rating )
{
CHECK_TRACK()
m_track->statistics()->setRating( rating );
}
void
MetaTrackPrototype::setTrackNumber( int number )
{
GET_TRACK_EC( ec->setTrackNumber( number ) )
}
void
MetaTrackPrototype::setDiscNumber( int number )
{
GET_TRACK_EC( ec->setDiscNumber( number ) )
}
void
MetaTrackPrototype::setAlbum( const QString &album )
{
GET_TRACK_EC( ec->setAlbum( album ) )
}
void
MetaTrackPrototype::setArtist( const QString &artist )
{
GET_TRACK_EC( ec->setArtist( artist ) )
}
void
MetaTrackPrototype::setComposer( const QString &composer )
{
GET_TRACK_EC( ec->setComposer( composer ) )
}
void
MetaTrackPrototype::setGenre( const QString &genre )
{
GET_TRACK_EC( ec->setGenre( genre ) )
}
void
MetaTrackPrototype::setYear( int year )
{
GET_TRACK_EC( ec->setYear( year ) )
}
void
MetaTrackPrototype::setComment( const QString &comment )
{
GET_TRACK_EC( ec->setComment( comment ) )
}
void
MetaTrackPrototype::setLyrics( const QString &lyrics )
{
CHECK_TRACK()
m_track->setCachedLyrics( lyrics );
}
void
MetaTrackPrototype::setTitle( const QString& title )
{
GET_TRACK_EC( ec->setTitle( title ) )
}
void
MetaTrackPrototype::setImageUrl( const QString& imageUrl )
{
CHECK_TRACK()
if( m_track->album() )
m_track->album()->setImage( QImage(imageUrl) );
}
void
MetaTrackPrototype::metadataChanged(const Meta::TrackPtr &track )
{
Observer::unsubscribeFrom( track );
debug() << "Loaded track: " << track->prettyName();
Q_EMIT loaded( track );
}
void
MetaTrackPrototype::fromScriptTagMap( const QJSValue &value, Meta::FieldHash &map )
{
QJSValueIterator it( value );
while( it.hasNext() )
{
it.next();
map[Meta::fieldForName( it.name() )] = it.value().toVariant();
}
}
QJSValue
MetaTrackPrototype::toScriptTagMap( QJSEngine *engine, const Meta::FieldHash &map )
{
QJSValue scriptMap = engine->newObject();
for( typename Meta::FieldHash::const_iterator it( map.constBegin() ); it != map.constEnd(); ++it )
scriptMap.setProperty( Meta::nameForField( it.key() ), engine->toScriptValue( it.value() ) );
return scriptMap;
}
void
MetaTrackPrototype::changeTags( const Meta::FieldHash &changes, bool respectConfig )
{
if( !isLoadedAndLocal() )
return;
if( changes.isEmpty() )
return;
WriteTagsJob *job = new WriteTagsJob( m_track->playableUrl().path(), changes, respectConfig );
connect( job, &WriteTagsJob::done, job, &QObject::deleteLater );
ThreadWeaver::Queue::instance()->enqueue( QSharedPointer<ThreadWeaver::Job>(job) );
}
QImage
MetaTrackPrototype::embeddedCover() const
{
if( isLoadedAndLocal() )
return QImage();
return Meta::Tag::embeddedCover( m_track->playableUrl().path() );
}
void
MetaTrackPrototype::setEmbeddedCover( const QImage &image )
{
if( image.isNull() )
return;
}
bool
MetaTrackPrototype::isLoadedAndLocal() const
{
CHECK_TRACK( false );
if( !isLoaded() )
{
debug() << "Track for url " << m_track->prettyUrl() << " not loaded yet!";
return false;
}
if( !m_track->playableUrl().isLocalFile() )
{
debug() << m_track->prettyName() + " is not a local file!";
return false;
}
return true;
}
#undef GET_TRACK
#undef CHECK_TRACK
#undef GET_TRACK_EC