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* Added QtScriptResolver class. A JavaScript interpeter for Tomahawk.

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This commit is contained in:
Christian Muehlhaeuser
2011-03-16 11:23:08 +01:00
parent ebd5930781
commit 1624e098ab
9 changed files with 220 additions and 30 deletions
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4
include/tomahawk/tomahawkapp.h
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@@ -19,10 +19,10 @@
#include "tomahawk/tomahawkplugin.h"
#include "typedefs.h"
#include "playlist.h"
#include "resolver.h"
#include "utils/tomahawkutils.h"
class ScriptResolver;
class AudioEngine;
class Database;
class SipHandler;
@@ -92,7 +92,7 @@ private:
QList<Tomahawk::collection_ptr> m_collections;
QList<TomahawkPlugin*> m_plugins;
QList<ScriptResolver*> m_scriptResolvers;
QList<Tomahawk::ExternalResolver*> m_scriptResolvers;
Database* m_database;
AudioEngine* m_audioEngine;

13
src/CMakeLists.txt
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@@ -7,6 +7,7 @@ ENDIF()
SET( QT_USE_QTSQL TRUE )
SET( QT_USE_QTNETWORK TRUE )
SET( QT_USE_QTXML TRUE )
SET( QT_USE_QTWEBKIT TRUE )
INCLUDE( ${QT_USE_FILE} )
INCLUDE( ${CMAKE_MODULE_PATH}/AddAppIconMacro.cmake )
@@ -39,10 +40,11 @@ SET( tomahawkSources ${tomahawkSources}
web/api_v1.cpp
musicscanner.cpp
scriptresolver.cpp
shortcuthandler.cpp
resolvers/scriptresolver.cpp
resolvers/qtscriptresolver.cpp
musicscanner.cpp
shortcuthandler.cpp
scanmanager.cpp
tomahawkapp.cpp
main.cpp
@@ -77,11 +79,12 @@ SET( tomahawkHeaders ${tomahawkHeaders}
infosystem/infoplugins/echonestplugin.h
infosystem/infoplugins/musixmatchplugin.h
web/api_v1.h
resolvers/scriptresolver.h
resolvers/qtscriptresolver.h
musicscanner.h
scriptresolver.h
scanmanager.h
shortcuthandler.h
)

2
src/libtomahawk/playlist/infobar/infobar.cpp
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@@ -71,7 +71,7 @@ InfoBar::changeEvent( QEvent* e )
switch ( e->type() )
{
case QEvent::LanguageChange:
ui->retranslateUi( this );
// ui->retranslateUi( this );
break;
default:

18
src/libtomahawk/resolver.h
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@@ -24,7 +24,7 @@ class DLLEXPORT Resolver : public QObject
Q_OBJECT
public:
Resolver() {};
Resolver() {}
virtual QString name() const = 0;
virtual unsigned int weight() const = 0;
@@ -41,6 +41,22 @@ private:
PluginAPI * m_api;
};
class DLLEXPORT ExternalResolver : public Resolver
{
Q_OBJECT
public:
ExternalResolver( const QString& filePath ) { m_filePath = filePath; }
virtual QString filePath() const { return m_filePath; }
public slots:
virtual void stop() = 0;
private:
QString m_filePath;
};
}; //ns
#endif // RESOLVER_H

101
src/resolvers/qtscriptresolver.cpp Normal file
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@@ -0,0 +1,101 @@
#include "qtscriptresolver.h"
#include "artist.h"
#include "album.h"
#include "pipeline.h"
#include "sourcelist.h"
#include "utils/tomahawkutils.h"
QtScriptResolver::QtScriptResolver( const QString& scriptPath )
: Tomahawk::ExternalResolver( scriptPath )
, m_engine( new ScriptEngine( this ) )
, m_ready( false )
, m_stopped( false )
{
qDebug() << Q_FUNC_INFO << scriptPath;
QFile scriptFile( scriptPath );
scriptFile.open( QIODevice::ReadOnly );
m_engine->mainFrame()->setHtml( "<html><body></body></html>" );
m_engine->mainFrame()->evaluateJavaScript( scriptFile.readAll() );
scriptFile.close();
QVariantMap m = m_engine->mainFrame()->evaluateJavaScript( "getSettings();" ).toMap();
m_name = m.value( "name" ).toString();
m_weight = m.value( "weight", 0 ).toUInt();
m_timeout = m.value( "timeout", 25 ).toUInt() * 1000;
m_preference = m.value( "preference", 0 ).toUInt();
qDebug() << "QTSCRIPT" << filePath() << "READY," << endl
<< "name" << m_name << endl
<< "weight" << m_weight << endl
<< "timeout" << m_timeout << endl
<< "preference" << m_preference;
m_ready = true;
Tomahawk::Pipeline::instance()->addResolver( this );
}
QtScriptResolver::~QtScriptResolver()
{
Tomahawk::Pipeline::instance()->removeResolver( this );
}
void
QtScriptResolver::resolve( const Tomahawk::query_ptr& query )
{
qDebug() << Q_FUNC_INFO << query->toString();
QString eval = QString( "resolve( '%1', '%2', '%3', '%4' );" )
.arg( query->id().replace( "'", "\\'" ) )
.arg( query->artist().replace( "'", "\\'" ) )
.arg( query->album().replace( "'", "\\'" ) )
.arg( query->track().replace( "'", "\\'" ) );
QList< Tomahawk::result_ptr > results;
QVariantMap m = m_engine->mainFrame()->evaluateJavaScript( eval ).toMap();
qDebug() << "JavaScript Result:" << m;
const QString qid = m.value( "qid" ).toString();
const QVariantList reslist = m.value( "results" ).toList();
foreach( const QVariant& rv, reslist )
{
QVariantMap m = rv.toMap();
qDebug() << "RES" << m;
Tomahawk::result_ptr rp( new Tomahawk::Result() );
Tomahawk::artist_ptr ap = Tomahawk::Artist::get( 0, m.value( "artist" ).toString() );
rp->setArtist( ap );
rp->setAlbum( Tomahawk::Album::get( 0, m.value( "album" ).toString(), ap ) );
rp->setTrack( m.value( "track" ).toString() );
rp->setDuration( m.value( "duration" ).toUInt() );
rp->setBitrate( m.value( "bitrate" ).toUInt() );
rp->setUrl( m.value( "url" ).toString() );
rp->setSize( m.value( "size" ).toUInt() );
rp->setScore( m.value( "score" ).toFloat() * ( (float)weight() / 100.0 ) );
rp->setRID( uuid() );
rp->setFriendlySource( m_name );
rp->setMimetype( m.value( "mimetype" ).toString() );
if ( rp->mimetype().isEmpty() )
{
rp->setMimetype( TomahawkUtils::extensionToMimetype( m.value( "extension" ).toString() ) );
Q_ASSERT( !rp->mimetype().isEmpty() );
}
results << rp;
}
Tomahawk::Pipeline::instance()->reportResults( qid, results );
}
void
QtScriptResolver::stop()
{
m_stopped = true;
}

64
src/resolvers/qtscriptresolver.h Normal file
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@@ -0,0 +1,64 @@
#ifndef QTSCRIPTRESOLVER_H
#define QTSCRIPTRESOLVER_H
#include "resolver.h"
#include "query.h"
#include "result.h"
#include <QApplication>
#include <QDebug>
#include <QFile>
#include <QtWebKit/QWebPage>
#include <QtWebKit/QWebFrame>
class ScriptEngine : public QWebPage
{
Q_OBJECT
public:
explicit ScriptEngine( QObject* parent )
: QWebPage( parent )
{}
public slots:
bool shouldInterruptJavaScript()
{
QApplication::processEvents( QEventLoop::AllEvents, 42 );
return false;
}
protected:
virtual void javaScriptConsoleMessage( const QString & message, int lineNumber, const QString & sourceID )
{ qDebug() << "JAVASCRIPT ERROR:" << message << lineNumber << sourceID; }
};
class QtScriptResolver : public Tomahawk::ExternalResolver
{
Q_OBJECT
public:
explicit QtScriptResolver( const QString& scriptPath );
virtual ~QtScriptResolver();
virtual QString name() const { return m_name; }
virtual unsigned int weight() const { return m_weight; }
virtual unsigned int preference() const { return m_preference; }
virtual unsigned int timeout() const { return m_timeout; }
virtual void resolve( const Tomahawk::query_ptr& query );
public slots:
virtual void stop();
private slots:
private:
ScriptEngine* m_engine;
QString m_name;
unsigned int m_weight, m_preference, m_timeout;
bool m_ready, m_stopped;
};
#endif // QTSCRIPTRESOLVER_H

13
src/scriptresolver.cpp → src/resolvers/scriptresolver.cpp
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@@ -11,8 +11,7 @@
ScriptResolver::ScriptResolver( const QString& exe )
: Tomahawk::Resolver()
, m_cmd( exe )
: Tomahawk::ExternalResolver( exe )
, m_num_restarts( 0 )
, m_msgsize( 0 )
, m_ready( false )
@@ -23,7 +22,7 @@ ScriptResolver::ScriptResolver( const QString& exe )
connect( &m_proc, SIGNAL( readyReadStandardOutput() ), SLOT( readStdout() ) );
connect( &m_proc, SIGNAL( finished( int, QProcess::ExitStatus ) ), SLOT( cmdExited( int, QProcess::ExitStatus ) ) );
m_proc.start( m_cmd );
m_proc.start( filePath() );
}
@@ -36,7 +35,7 @@ ScriptResolver::~ScriptResolver()
void
ScriptResolver::readStderr()
{
qDebug() << "SCRIPT_STDERR" << m_cmd << m_proc.readAllStandardError();
qDebug() << "SCRIPT_STDERR" << filePath() << m_proc.readAllStandardError();
}
@@ -155,7 +154,7 @@ void
ScriptResolver::cmdExited( int code, QProcess::ExitStatus status )
{
m_ready = false;
qDebug() << Q_FUNC_INFO << "SCRIPT EXITED, code" << code << "status" << status << m_cmd;
qDebug() << Q_FUNC_INFO << "SCRIPT EXITED, code" << code << "status" << status << filePath();
Tomahawk::Pipeline::instance()->removeResolver( this );
if( m_stopped )
@@ -170,7 +169,7 @@ ScriptResolver::cmdExited( int code, QProcess::ExitStatus status )
{
m_num_restarts++;
qDebug() << "*** Restart num" << m_num_restarts;
m_proc.start( m_cmd );
m_proc.start( filePath() );
}
else
{
@@ -205,7 +204,7 @@ ScriptResolver::doSetup( const QVariantMap& m )
m_weight = m.value( "weight", 0 ).toUInt();
m_timeout = m.value( "timeout", 25 ).toUInt() * 1000;
m_preference = m.value( "preference", 0 ).toUInt();
qDebug() << "SCRIPT" << m_cmd << "READY," << endl
qDebug() << "SCRIPT" << filePath() << "READY," << endl
<< "name" << m_name << endl
<< "weight" << m_weight << endl
<< "timeout" << m_timeout << endl

9
src/scriptresolver.h → src/resolvers/scriptresolver.h
View File

@@ -11,7 +11,7 @@
#include "query.h"
#include "result.h"
class ScriptResolver : public Tomahawk::Resolver
class ScriptResolver : public Tomahawk::ExternalResolver
{
Q_OBJECT
@@ -26,14 +26,11 @@ public:
virtual void resolve( const Tomahawk::query_ptr& query );
void stop();
QString exe() const { return m_cmd; }
signals:
void finished();
public slots:
virtual void stop();
private slots:
void readStderr();
@@ -48,7 +45,7 @@ private:
void doSetup( const QVariantMap& m );
QProcess m_proc;
QString m_name, m_cmd;
QString m_name;
unsigned int m_weight, m_preference, m_timeout, m_num_restarts;
quint32 m_msgsize;

26
src/tomahawkapp.cpp
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@@ -24,7 +24,8 @@
#include "playlist/dynamic/echonest/EchonestGenerator.h"
#include "utils/tomahawkutils.h"
#include "web/api_v1.h"
#include "scriptresolver.h"
#include "resolvers/scriptresolver.h"
#include "resolvers/qtscriptresolver.h"
#include "sourcelist.h"
#include "shortcuthandler.h"
#include "scanmanager.h"
@@ -246,10 +247,10 @@ TomahawkApp::TomahawkApp( int& argc, char *argv[] )
}
#endif
qDebug() << "Init Pipeline.";
setupPipeline();
qDebug() << "Init Local Collection.";
initLocalCollection();
qDebug() << "Init Pipeline.";
setupPipeline();
qDebug() << "Init Servent.";
startServent();
//loadPlugins();
@@ -389,23 +390,31 @@ TomahawkApp::setupPipeline()
{
// setup resolvers for local content, and (cached) remote collection content
Pipeline::instance()->addResolver( new DatabaseResolver( 100 ) );
// load script resolvers
foreach( QString resolver,TomahawkSettings::instance()->scriptResolvers() )
foreach( QString resolver, TomahawkSettings::instance()->scriptResolvers() )
addScriptResolver( resolver );
}
void
TomahawkApp::addScriptResolver( const QString& path )
{
m_scriptResolvers << new ScriptResolver( path );
const QFileInfo fi( path );
if ( fi.suffix() == "js" || fi.suffix() == "script" )
m_scriptResolvers << new QtScriptResolver( path );
else
m_scriptResolvers << new ScriptResolver( path );
}
void
TomahawkApp::removeScriptResolver( const QString& path )
{
foreach( ScriptResolver* r, m_scriptResolvers ) {
if( r->exe() == path ) {
foreach( Tomahawk::ExternalResolver* r, m_scriptResolvers )
{
if( r->filePath() == path )
{
m_scriptResolvers.removeAll( r );
connect( r, SIGNAL( finished() ), r, SLOT( deleteLater() ) );
r->stop();
@@ -414,6 +423,7 @@ TomahawkApp::removeScriptResolver( const QString& path )
}
}
void
TomahawkApp::initLocalCollection()
{