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C++ result_ptr::isNull方法代码示例

本文整理汇总了C++中tomahawk::result_ptr::isNull方法的典型用法代码示例。如果您正苦于以下问题：C++ result_ptr::isNull方法的具体用法？C++ result_ptr::isNull怎么用？C++ result_ptr::isNull使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tomahawk::result_ptr的用法示例。


在下文中一共展示了result_ptr::isNull方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: if

void
AudioEngine::playItem( Tomahawk::playlistinterface_ptr playlist, const Tomahawk::result_ptr& result, const Tomahawk::query_ptr& fromQuery )
{
    tDebug( LOGEXTRA ) << Q_FUNC_INFO << ( result.isNull() ? QString() : result->url() );

    if ( !m_playlist.isNull() )
        m_playlist.data()->reset();

    setPlaylist( playlist );

    if ( playlist.isNull() && !fromQuery.isNull() )
        m_currentTrackPlaylist = playlistinterface_ptr( new SingleTrackPlaylistInterface( fromQuery ) );
    else
        m_currentTrackPlaylist = playlist;

    if ( !result.isNull() )
    {
        loadTrack( result );
    }
    else if ( !m_playlist.isNull() && m_playlist.data()->retryMode() == PlaylistModes::Retry )
    {
        m_waitingOnNewTrack = true;
        if ( isStopped() )
            emit sendWaitingNotification();
        else
            stop();
    }
}
开发者ID:eowemanuel，项目名称:tomahawk，代码行数:28，代码来源:AudioEngine.cpp

示例2: tDebug

void
AudioEngine::loadTrack( const Tomahawk::result_ptr& result )
{
    Q_D( AudioEngine );
    tDebug( LOGEXTRA ) << Q_FUNC_INFO << ( result.isNull() ? QString() : result->url() );

    if ( result.isNull() )
    {
        stop();
        return;
    }

    setCurrentTrack( result );

    if ( !TomahawkUtils::isLocalResult( d->currentTrack->url() ) && !TomahawkUtils::isHttpResult( d->currentTrack->url() )
         && !TomahawkUtils::isRtmpResult( d->currentTrack->url() ) )
    {
        boost::function< void ( QSharedPointer< QIODevice >& ) > callback =
                boost::bind( &AudioEngine::performLoadTrack, this, result, _1 );
        Servent::instance()->getIODeviceForUrl( d->currentTrack, callback );
    }
    else
    {
        QSharedPointer< QIODevice > io;
        performLoadTrack( result, io );
    }
}
开发者ID:Knarf64，项目名称:tomahawk，代码行数:27，代码来源:AudioEngine.cpp

示例3: tDebug

void
AudioEngine::loadTrack( const Tomahawk::result_ptr& result )
{
    Q_D( AudioEngine );
    tDebug( LOGEXTRA ) << Q_FUNC_INFO << ( result.isNull() ? QString() : result->url() );

    if ( result.isNull() )
    {
        stop();
        return;
    }

    setCurrentTrack( result );

    if ( !TomahawkUtils::isLocalResult( d->currentTrack->url() ) && !TomahawkUtils::isHttpResult( d->currentTrack->url() )
         && !TomahawkUtils::isRtmpResult( d->currentTrack->url() ) )
    {
        performLoadIODevice( d->currentTrack, d->currentTrack->url() );
    }
    else
    {
        QSharedPointer< QIODevice > io;
        performLoadTrack( result, result->url(), io );
    }
}
开发者ID:AidedPolecat6，项目名称:tomahawk，代码行数:25，代码来源:AudioEngine.cpp

示例4: tDebug

void
AudioEngine::loadNextTrack()
{
    tDebug( LOGEXTRA ) << Q_FUNC_INFO;

    Tomahawk::result_ptr result;

    if ( m_queue && m_queue->trackCount() )
    {
        result = m_queue->nextItem();
    }

    if ( !m_playlist.isNull() && result.isNull() )
    {
        result = m_playlist.data()->nextItem();
    }

    if ( !result.isNull() )
        loadTrack( result );
    else
    {
        if ( !m_playlist.isNull() && m_playlist.data()->retryMode() == Tomahawk::PlaylistInterface::Retry )
            m_waitingOnNewTrack = true;
        stop();
    }
}
开发者ID:xevix，项目名称:tomahawk，代码行数:26，代码来源:audioengine.cpp

示例5: tDebug

void
AudioEngine::loadNextTrack()
{
    tDebug( LOGEXTRA ) << Q_FUNC_INFO;

    Tomahawk::result_ptr result;

    if ( !m_stopAfterTrack.isNull() && !m_currentTrack.isNull() )
    {
        if ( m_stopAfterTrack->equals( m_currentTrack->toQuery() ) )
        {
            m_stopAfterTrack.clear();
            stop();
            return;
        }
    }

    if ( m_queue && m_queue->trackCount() )
    {
        query_ptr query = m_queue->tracks().first();
        if ( query && query->numResults() )
            result = query->results().first();
    }

    if ( !m_playlist.isNull() && result.isNull() )
    {
        tDebug( LOGVERBOSE ) << Q_FUNC_INFO << "Loading playlist's next item" << m_playlist.data() << m_playlist->shuffled();

        if ( m_playlist.data()->nextResult() )
        {
            result = m_playlist.data()->nextResult();
            m_currentTrackPlaylist = m_playlist;
        }
    }

    if ( !result.isNull() )
    {
        tDebug( LOGVERBOSE ) << Q_FUNC_INFO << "Got next item, loading track";
        loadTrack( result );
    }
    else
    {
        if ( !m_playlist.isNull() && m_playlist.data()->retryMode() == Tomahawk::PlaylistModes::Retry )
            m_waitingOnNewTrack = true;

        stop();
    }
}
开发者ID:eowemanuel，项目名称:tomahawk，代码行数:48，代码来源:AudioEngine.cpp

示例6: onPlaybackLoading

void
AudioControls::onPlaybackStarted( const Tomahawk::result_ptr& result )
{
    if ( result.isNull() )
        return;

    if ( m_currentTrack.isNull() || ( !m_currentTrack.isNull() && m_currentTrack.data()->id() != result.data()->id() ) )
        onPlaybackLoading( result );

    qint64 duration = AudioEngine::instance()->currentTrackTotalTime();

    if ( duration == -1 )
        duration = result.data()->duration() * 1000;

    ui->seekSlider->setRange( 0, duration );
    ui->seekSlider->setValue( 0 );

    m_phononTickCheckTimer.stop();

    m_sliderTimeLine.stop();
    m_sliderTimeLine.setDuration( duration );
    m_sliderTimeLine.setFrameRange( 0, duration );
    m_sliderTimeLine.setCurrentTime( 0 );
    m_seekMsecs = -1;

    ui->seekSlider->setVisible( true );

    m_noTimeChange = false;
    m_lastSliderCheck = 0;
}
开发者ID:andrix，项目名称:tomahawk，代码行数:30，代码来源:audiocontrols.cpp

示例7: tDebug

void
AudioEngine::loadTrack( const Tomahawk::result_ptr& result )
{
    Q_D( AudioEngine );
    tDebug( LOGEXTRA ) << Q_FUNC_INFO << ( result.isNull() ? QString() : result->url() );

    if ( !result )
    {
        stop();
        return;
    }

    // We do this to stop the audio as soon as a user activated another track
    // If we don't block the audioOutput signals, the state change will trigger
    // loading yet another track
    d->audioOutput->blockSignals( true );
    d->audioOutput->stop();
    d->audioOutput->blockSignals( false );

    setCurrentTrack( result );

    if ( !TomahawkUtils::isLocalResult( d->currentTrack->url() ) && !TomahawkUtils::isHttpResult( d->currentTrack->url() )
         && !TomahawkUtils::isRtmpResult( d->currentTrack->url() ) )
    {
        performLoadIODevice( d->currentTrack, d->currentTrack->url() );
    }
    else
    {
        QSharedPointer< QIODevice > io;
        performLoadTrack( result, result->url(), io );
    }
}
开发者ID:EQ4，项目名称:tomahawk，代码行数:32，代码来源:AudioEngine.cpp

示例8: updated

void
StreamConnection::startSending( const Tomahawk::result_ptr& result )
{
    if ( result.isNull() )
    {
        qDebug() << "Can't handle invalid result!";
        shutdown();
        return;
    }

    m_result = result;
    qDebug() << "Starting to transmit" << m_result->url();

    QSharedPointer<QIODevice> io = Servent::instance()->getIODeviceForUrl( m_result );
    if( !io )
    {
        qDebug() << "Couldn't read from source:" << m_result->url();
        shutdown();
        return;
    }

    m_readdev = QSharedPointer<QIODevice>( io );
    sendSome();

    emit updated();
}
开发者ID:ralepinski，项目名称:tomahawk，代码行数:26，代码来源:streamconnection.cpp

示例9: tDebug

void
AudioEngine::loadTrack( const Tomahawk::result_ptr& result )
{
    Q_D( AudioEngine );
    tDebug( LOGEXTRA ) << Q_FUNC_INFO << ( result.isNull() ? QString() : result->url() );

    if ( !result )
    {
        stop();
        return;
    }

    // We do this to stop the audio as soon as a user activated another track
    // If we don't block the audioOutput signals, the state change will trigger
    // loading yet another track
    d->audioOutput->blockSignals( true );
    d->audioOutput->stop();
    d->audioOutput->blockSignals( false );

    setCurrentTrack( result );

    ScriptJob* job = result->resolvedBy()->getStreamUrl( result );
    connect( job, SIGNAL( done( QVariantMap ) ), SLOT( gotStreamUrl( QVariantMap ) ) );
    job->setProperty( "result", QVariant::fromValue( result ) );
    job->start();
}
开发者ID:nhtua，项目名称:tomahawk，代码行数:26，代码来源:AudioEngine.cpp

示例10: textChanged

void
QueryLabel::setResult( const Tomahawk::result_ptr& result )
{
    if ( result.isNull() )
        return;

    if ( !m_text.isEmpty() && contentsMargins().left() != 0 ) // FIXME: hacky
        m_textMargins = contentsMargins();

    setContentsMargins( BOXMARGIN * 2, BOXMARGIN / 2, BOXMARGIN * 2, BOXMARGIN / 2);

    if ( m_result.isNull() || m_result.data() != result.data() )
    {
        m_result = result;

        m_query = m_result->toQuery();
        QList<Tomahawk::result_ptr> rl;
        rl << m_result;
        m_query->addResults( rl );

        updateLabel();

        emit textChanged( text() );
        emit resultChanged( m_result );
    }
}
开发者ID:LittleForker，项目名称:tomahawk，代码行数:26，代码来源:querylabel.cpp

示例11: onPlaybackLoading

void
AudioControls::onPlaybackStarted( const Tomahawk::result_ptr result )
{
    if ( result.isNull() )
        return;

    if ( m_currentTrack.isNull() || ( !m_currentTrack.isNull() && m_currentTrack.data()->id() != result.data()->id() ) )
        onPlaybackLoading( result );

    qint64 duration = AudioEngine::instance()->currentTrackTotalTime();

    if ( duration <= 0 )
        duration = result.data()->track()->duration() * 1000;

    ui->seekSlider->setRange( 0, duration );
    ui->seekSlider->setValue( 0 );
    ui->seekSlider->setEnabled( AudioEngine::instance()->canSeek() );

    ui->timeLabel->setText( TomahawkUtils::timeToString( 0 ) );
    ui->timeLeftLabel->setText( "-" + TomahawkUtils::timeToString( 0 ) );

    tLog() << Q_FUNC_INFO << duration;
    m_sliderTimeLine.setDuration( duration );
    m_sliderTimeLine.setFrameRange( 0, duration );
    m_sliderTimeLine.setCurveShape( QTimeLine::LinearCurve );
    m_sliderTimeLine.setCurrentTime( 0 );
    m_seeked = false;

    int updateRate = (double)1000 / ( (double)ui->seekSlider->contentsRect().width() / (double)( duration / 1000 ) );
    m_sliderTimeLine.setUpdateInterval( qBound( 40, updateRate, 500 ) );

    m_lastSliderCheck = 0;
    m_phononTickCheckTimer.start( 500 );
}
开发者ID:Teriq，项目名称:tomahawk，代码行数:34，代码来源:AudioControls.cpp

示例12: results

void
DatabaseCommand_Resolve::exec( DatabaseImpl* lib )
{
    /*
     *        Resolving is a 2 stage process.
     *        1) find list of trk/art/alb IDs that are reasonable matches to the metadata given
     *        2) find files in database by permitted sources and calculate score, ignoring
     *           results that are less than MINSCORE
     */

    if ( !m_query->resultHint().isEmpty() )
    {
        qDebug() << "Using result-hint to speed up resolving:" << m_query->resultHint();

        Tomahawk::result_ptr result = lib->resultFromHint( m_query );
        if ( !result.isNull() && ( result->collection().isNull() || result->collection()->source()->isOnline() ) )
        {
            QList<Tomahawk::result_ptr> res;
            res << result;
            emit results( m_query->id(), res );
            return;
        }
    }

    if ( m_query->isFullTextQuery() )
        fullTextResolve( lib );
    else
        resolve( lib );
}
开发者ID:ricjon，项目名称:tomahawk，代码行数:29，代码来源:DatabaseCommand_Resolve.cpp

示例13: itemFromIndex

bool
TrackProxyModel::filterAcceptsRow( int sourceRow, const QModelIndex& sourceParent ) const
{
    TrackModelItem* pi = itemFromIndex( sourceModel()->index( sourceRow, 0, sourceParent ) );
    if ( !pi )
        return false;

    const Tomahawk::query_ptr& q = pi->query();
    if( q.isNull() ) // uh oh? filter out invalid queries i guess
        return false;

    Tomahawk::result_ptr r;
    if ( q->numResults() )
        r = q->results().first();

    if ( !m_showOfflineResults && !r.isNull() && !r->collection()->source()->isOnline() )
        return false;

    if ( filterRegExp().isEmpty() )
        return true;

    QStringList sl = filterRegExp().pattern().split( " ", QString::SkipEmptyParts );
    foreach( QString s, sl )
    {
        s = s.toLower();
        if ( !r.isNull() )
        {
            if ( !r->artist()->name().toLower().contains( s ) &&
                 !r->album()->name().toLower().contains( s ) &&
                 !r->track().toLower().contains( s ) )
            {
                return false;
            }
        }
        else
        {
            if ( !q->artist().toLower().contains( s ) &&
                 !q->album().toLower().contains( s ) &&
                 !q->track().toLower().contains( s ) )
            {
                return false;
            }
        }
    }
开发者ID:LittleForker，项目名称:tomahawk，代码行数:44，代码来源:trackproxymodel.cpp

示例14: if

void
AudioEngine::playItem( Tomahawk::PlaylistInterface* playlist, const Tomahawk::result_ptr& result )
{
    tDebug( LOGEXTRA ) << Q_FUNC_INFO << ( result.isNull() ? QString() : result->url() );

    if ( !m_playlist.isNull() )
        m_playlist.data()->reset();

    setPlaylist( playlist );
    m_currentTrackPlaylist = playlist->getSharedPointer();

    if ( !result.isNull() )
        loadTrack( result );
    else if ( !m_playlist.isNull() && m_playlist.data()->retryMode() == PlaylistInterface::Retry )
    {
        m_waitingOnNewTrack = true;
        stop();
    }
}
开发者ID:xevix，项目名称:tomahawk，代码行数:19，代码来源:audioengine.cpp

示例15: itemFromIndex

bool
PlayableProxyModel::filterAcceptsRow( int sourceRow, const QModelIndex& sourceParent ) const
{
    PlayableItem* pi = itemFromIndex( sourceModel()->index( sourceRow, 0, sourceParent ) );
    if ( !pi )
        return false;

    if ( m_maxVisibleItems >= 0 && sourceRow > m_maxVisibleItems - 1 )
        return false;

    if ( m_hideDupeItems )
    {
        for ( int i = 0; i < sourceRow; i++ )
        {
            PlayableItem* di = itemFromIndex( sourceModel()->index( i, 0, sourceParent ) );
            if ( !di )
                continue;

            bool b = ( pi->query() && pi->query()->equals( di->query() ) ) ||
                     ( pi->album() && pi->album() == di->album() ) ||
                     ( pi->artist() && pi->artist()->name() == di->artist()->name() );

            if ( b && filterAcceptsRow( i, sourceParent ) )
                return false;
        }
    }

    if ( pi->query() )
    {
        const Tomahawk::query_ptr& q = pi->query()->displayQuery();
        if ( q.isNull() ) // uh oh? filter out invalid queries i guess
            return false;

        Tomahawk::result_ptr r;
        if ( q->numResults() )
            r = q->results().first();

        if ( !m_showOfflineResults && ( r.isNull() || !r->isOnline() ) )
            return false;

        if ( filterRegExp().isEmpty() )
            return true;

        QStringList sl = filterRegExp().pattern().split( " ", QString::SkipEmptyParts );
        foreach( QString s, sl )
        {
            s = s.toLower();
            if ( !q->artist().toLower().contains( s ) &&
                    !q->album().toLower().contains( s ) &&
                    !q->track().toLower().contains( s ) )
            {
                return false;
            }
        }
    }
开发者ID:keithmadsen，项目名称:tomahawk，代码行数:55，代码来源:PlayableProxyModel.cpp


注：本文中的tomahawk::result_ptr::isNull方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。