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Code Issues Releases Wiki Activity

* Threaded QtScriptResolver so it doesn't block the GUI thread anymore.

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This commit is contained in:
Christian Muehlhaeuser
2011-03-16 14:45:09 +01:00
parent 848b28d2cc
commit f711c39c13
2 changed files with 24 additions and 12 deletions
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22
src/resolvers/qtscriptresolver.cpp
View File

@@ -10,11 +10,15 @@
QtScriptResolver::QtScriptResolver( const QString& scriptPath )
: Tomahawk::ExternalResolver( scriptPath )
, m_engine( new ScriptEngine( this ) )
, m_thread( new QThread( this ) )
, m_ready( false )
, m_stopped( false )
{
qDebug() << Q_FUNC_INFO << scriptPath;
m_engine->moveToThread( m_thread );
m_thread->start();
QFile scriptFile( scriptPath );
scriptFile.open( QIODevice::ReadOnly );
m_engine->mainFrame()->setHtml( "<html><body></body></html>" );
@@ -47,13 +51,13 @@ QtScriptResolver::~QtScriptResolver()
void
QtScriptResolver::resolve( const Tomahawk::query_ptr& query )
{
if ( QThread::currentThread() != thread() )
{
qDebug() << "Reinvoking in correct thread:" << Q_FUNC_INFO;
QMetaObject::invokeMethod( this, "resolve", Qt::QueuedConnection, Q_ARG( Tomahawk::query_ptr, query ) );
return;
}
QMetaObject::invokeMethod( m_engine, "resolve", Qt::QueuedConnection, Q_ARG( Tomahawk::query_ptr, query ) );
}
void
ScriptEngine::resolve( const Tomahawk::query_ptr& query )
{
qDebug() << Q_FUNC_INFO << query->toString();
QString eval = QString( "resolve( '%1', '%2', '%3', '%4' );" )
.arg( query->id().replace( "'", "\\'" ) )
@@ -63,7 +67,7 @@ QtScriptResolver::resolve( const Tomahawk::query_ptr& query )
QList< Tomahawk::result_ptr > results;
QVariantMap m = m_engine->mainFrame()->evaluateJavaScript( eval ).toMap();
QVariantMap m = mainFrame()->evaluateJavaScript( eval ).toMap();
qDebug() << "JavaScript Result:" << m;
const QString qid = m.value( "qid" ).toString();
@@ -83,9 +87,9 @@ QtScriptResolver::resolve( const Tomahawk::query_ptr& query )
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->setScore( m.value( "score" ).toFloat() * ( (float)m_parent->weight() / 100.0 ) );
rp->setRID( uuid() );
rp->setFriendlySource( m_name );
rp->setFriendlySource( m_parent->name() );
rp->setMimetype( m.value( "mimetype" ).toString() );
if ( rp->mimetype().isEmpty() )

14
src/resolvers/qtscriptresolver.h
View File

@@ -11,25 +11,32 @@
#include <QtWebKit/QWebPage>
#include <QtWebKit/QWebFrame>
class QtScriptResolver;
class ScriptEngine : public QWebPage
{
Q_OBJECT
public:
explicit ScriptEngine( QObject* parent )
: QWebPage( parent )
explicit ScriptEngine( QtScriptResolver* parent )
: QWebPage( (QObject*)parent )
, m_parent( parent )
{}
public slots:
void resolve( const Tomahawk::query_ptr& query );
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; }
private:
QtScriptResolver* m_parent;
};
class QtScriptResolver : public Tomahawk::ExternalResolver
@@ -53,6 +60,7 @@ private slots:
private:
ScriptEngine* m_engine;
QThread* m_thread;
QString m_name;
unsigned int m_weight, m_preference, m_timeout;