C++ RunnerContext::isValid方法代码示例

void ActivityRunner::match(Plasma::RunnerContext &context)
{
    if (!m_enabled) {
        return;
    }

    const QString term = context.query().trimmed();
    bool list = false;
    QString name;

    if (term.startsWith(m_keywordi18n, Qt::CaseInsensitive)) {
        if (term.size() == m_keywordi18n.size()) {
            list = true;
        } else {
            name = term.right(term.size() - m_keywordi18n.size()).trimmed();
            list = name.isEmpty();
        }
    } else if (term.startsWith(m_keyword, Qt::CaseInsensitive)) {
        if (term.size() == m_keyword.size()) {
            list = true;
        } else {
            name = term.right(term.size() - m_keyword.size()).trimmed();
            list = name.isEmpty();
        }
    } else if (context.singleRunnerQueryMode()) {
        name = term;
    } else {
        return;
    }

    QList<Plasma::QueryMatch> matches;
    QStringList activities = m_activities->listActivities();
    qSort(activities);

    const QString current = m_activities->currentActivity();

    if (!context.isValid()) {
        return;
    }

    if (list) {
        foreach (const QString &activity, activities) {
            if (current == activity) {
                continue;
            }

            KActivities::Info info(activity);
            addMatch(info, matches);

            if (!context.isValid()) {
                return;
            }
        }
    } else {

void RecentDocuments::match(Plasma::RunnerContext &context)
{
    if (m_recentdocuments.isEmpty()) {
        return;
    }

    const QString term = context.query();
    if (term.length() < 3) {
        return;
    }

    foreach (const QString &document, m_recentdocuments) {
        if (!context.isValid()) {
            return;
        }

        if (document.contains(term, Qt::CaseInsensitive)) {
            KConfig _config( document, KConfig::SimpleConfig );
            KConfigGroup config(&_config, "Desktop Entry" );
            QString niceName =  config.readEntry( "Name" );
            Plasma::QueryMatch match(this);
            match.setType(Plasma::QueryMatch::PossibleMatch);
            match.setRelevance(1.0);
            match.setIcon(QIcon::fromTheme(config.readEntry("Icon")));
            match.setData(document); // TODO: Read URL[$e], or can we just pass the path to the .desktop file?
            match.setText(niceName);
            match.setSubtext(i18n("Recent Document"));
            context.addMatch(match);
        }
    }
}

void RecentDocuments::match(Plasma::RunnerContext &context)
{
    if (m_recentdocuments.isEmpty()) {
        return;
    }

    const QString term = context.query();
    if (term.length() < 3) {
        return;
    }

    foreach (const QString &document, m_recentdocuments) {
        if (!context.isValid()) {
            return;
        }

        if (document.contains(term, Qt::CaseInsensitive)) {
            KDesktopFile config(document);
            Plasma::QueryMatch match(this);
            match.setType(Plasma::QueryMatch::PossibleMatch);
            match.setRelevance(1.0);
            match.setIcon(QIcon::fromTheme(config.readIcon()));
            match.setData(config.readUrl());
            match.setText(config.readName());
            match.setSubtext(i18n("Recent Document"));
            context.addMatch(match);
        }
    }
}

void WebshortcutRunner::match(Plasma::RunnerContext &context)
{
    const QString term = context.query();

    if (term.length() < 3 || !term.contains(m_delimiter))
        return;

    // qDebug() << "checking term" << term;

    const int delimIndex = term.indexOf(m_delimiter);
    if (delimIndex == term.length() - 1)
        return;

    const QString key = term.left(delimIndex);

    if (key == m_lastFailedKey) {
        return;    // we already know it's going to suck ;)
    }

    if (!context.isValid()) {
        qDebug() << "invalid context";
        return;
    }

    // Do a fake user feedback text update if the keyword has not changed.
    // There is no point filtering the request on every key stroke.
    // filtering
    if (m_lastKey == key) {
        m_filterBeforeRun = true;
        m_match.setText(i18n("Search %1 for %2", m_lastProvider, term.mid(delimIndex + 1)));
        context.addMatch(m_match);
        return;
    }

    KUriFilterData filterData(term);
    if (!KUriFilter::self()->filterSearchUri(filterData, KUriFilter::WebShortcutFilter)) {
        m_lastFailedKey = key;
        return;
    }

    m_lastFailedKey.clear();
    m_lastKey = key;
    m_lastProvider = filterData.searchProvider();

    m_match.setData(filterData.uri().url());
    m_match.setId("WebShortcut:" + key);

    m_match.setIcon(QIcon::fromTheme(filterData.iconName()));
    m_match.setText(i18n("Search %1 for %2", m_lastProvider, filterData.searchTerm()));
    context.addMatch(m_match);
}

void Translator::match(Plasma::RunnerContext &context)
{
    const QString term = context.query();
    QString text;
    QPair<QString, QString> language;
    
    
    if (!parseTerm(term, text, language)) return;
    if (!context.isValid()) return;
    
    if (text.contains(" ")) {
        if(m_yandexPhrase) {
            QEventLoop loop;
            Yandex yandex(this, context, text, language, m_yandexKey);
            connect(&yandex, SIGNAL(finished()), &loop, SLOT(quit()));
            loop.exec();
        }
        if(m_glosbePhrase) {
            if(m_glosbeExamples) {
                QEventLoop loop;
                Glosbe glosbe(this, context, text, language, m_glosbeExamples);
                connect(&glosbe, SIGNAL(finished()), &loop, SLOT(quit()));
                loop.exec();
            }
            QEventLoop loop;
            Glosbe glosbe(this, context, text, language);
            connect(&glosbe, SIGNAL(finished()), &loop, SLOT(quit()));
            loop.exec();
        }
    } else {
        if(m_yandexWord) {
            QEventLoop loop;
            Yandex yandex(this, context, text, language, m_yandexKey);
            connect(&yandex, SIGNAL(finished()), &loop, SLOT(quit()));
            loop.exec();
        }
        if(m_glosbeWord) {
            if(m_glosbeExamples) {
                QEventLoop loop;
                Glosbe glosbe(this, context, text, language, m_glosbeExamples);
                connect(&glosbe, SIGNAL(finished()), &loop, SLOT(quit()));
                loop.exec();
            }
            QEventLoop loop;
            Glosbe glosbe(this, context, text, language);
            connect(&glosbe, SIGNAL(finished()), &loop, SLOT(quit()));
            loop.exec();
        }
    }
}

void BookmarksRunner::match(Plasma::RunnerContext &context)
{
    if(! m_browser) return;
    const QString term = context.query();
    if ((term.length() < 3) && (!context.singleRunnerQueryMode())) {
        return;
    }

    bool allBookmarks = term.compare(i18nc("list of all konqueror bookmarks", "bookmarks"),
                                     Qt::CaseInsensitive) == 0;
                                     
    QList<BookmarkMatch> matches = m_browser->match(term, allBookmarks);
    foreach(BookmarkMatch match, matches) {
        if(!context.isValid())
            return;
        context.addMatch(match.asQueryMatch(this));
    }
}

void RecentDocuments::match(Plasma::RunnerContext &context)
{
    if (m_recentdocuments.isEmpty()) {
        return;
    }

    const QString term = context.query();
    if (term.length() < 3) {
        return;
    }

    const QString homePath = QDir::homePath();

    foreach (const QString &document, m_recentdocuments) {
        if (!context.isValid()) {
            return;
        }

        if (document.contains(term, Qt::CaseInsensitive)) {
            KDesktopFile config(document);
            Plasma::QueryMatch match(this);
            match.setType(Plasma::QueryMatch::PossibleMatch);
            match.setRelevance(1.0);
            match.setIconName(config.readIcon());
            match.setData(config.readUrl());
            match.setText(config.readName());

            QUrl folderUrl = QUrl(config.readUrl()).adjusted(QUrl::RemoveFilename | QUrl::StripTrailingSlash);
            if (folderUrl.isLocalFile()) {
                QString folderPath = folderUrl.toLocalFile();
                if (folderPath.startsWith(homePath)) {
                    folderPath.replace(0, homePath.length(), QStringLiteral("~"));
                }
                match.setSubtext(folderPath);
            } else {
                match.setSubtext(folderUrl.toDisplayString());
            }

            context.addMatch(match);
        }
    }
}

void Translator::match(Plasma::RunnerContext& context)
{
    QString term = context.query();
    QString text;
    QPair<QString, QString> language;

    if (!parseTerm(term, text, language)) {
        return;
    }

    if (!context.isValid()) {
        return;
    }

    QEventLoop loop;
    TranslatorJob job(text, language);
    connect(&job, SIGNAL(finished()), &loop, SLOT(quit()));
    loop.exec();

    parseResult(job.result(), context, text);
}

void AudioPlayerControlRunner::match(Plasma::RunnerContext &context)
{
    if (context.query().length() < 3) {
        return;
    }

    const QString term = context.query();

    QList<Plasma::QueryMatch> matches;

    if (m_useCommands) {
        /* DBus paths that are used in the command executes */
        /* The data variable looks like this:
         * "/PlayerQLatin1String( " " )org.freedesktop.MediaPlayerQLatin1String( " " )PlayQLatin1String( " " )actionsQLatin1String( " " )start" args...
         * <path>    <interface>                 <method> <actions> <start player>
         * <actions> is NONE if no action is needed
         */

        QVariantList playcontrol;
        playcontrol  << QLatin1String( "/Player" ) << QLatin1String( "org.freedesktop.MediaPlayer" );

        /* The commands */

        //Play
        if (context.isValid() && m_comPlay.startsWith(term, Qt::CaseInsensitive) &&
	    (!m_running || m_songsInPlaylist)) {
            QVariantList data = playcontrol;
            data << ((currentSong() == -1) ? QLatin1String( "Next" ) : QLatin1String( "Play" )) << NONE << QLatin1String( "start" );
            matches << createMatch(this, i18n("Start playing"), i18n("Audio player control"), QLatin1String( "play" ),
                                   KIcon( QLatin1String( "media-playback-start" )), data, 1.0);
        }

        if (!context.isValid() || !m_running) {
            //The interface of the player is not availalbe, so the rest of the commands
            //is not needed
            context.addMatches(matches);
            return;
        }

        if (context.isValid() && m_songsInPlaylist) {
            //The playlist isn't empty
            //Next song
            if (m_comNext.startsWith(term,Qt::CaseInsensitive)
                    && m_nextSongAvailable) {
                QVariantList data = playcontrol;
                data << QLatin1String( "Next" ) << NONE << QLatin1String( "nostart" );
                matches << createMatch(this, i18n("Play next song"), i18n("Audio player control"),
                                       QLatin1String( "next" ), KIcon( QLatin1String( "media-skip-forward" )), data, 1.0);
            }

            //Previous song
            if (context.isValid() && m_comPrev.startsWith(term,Qt::CaseInsensitive)
                    && m_prevSongAvailable) {
                QVariantList data = playcontrol;
                data << QLatin1String( "Prev" ) << NONE << QLatin1String( "nostart" );
                matches << createMatch(this, i18n("Play previous song"), i18n("Audio player control") ,
                                       QLatin1String( "previous" ), KIcon( QLatin1String( "media-skip-backward" )), data, 1.0);
            }
        }//--- if (m_songsInPlaylist)

        //Pause
        if (context.isValid() && m_comPause.startsWith(term,Qt::CaseInsensitive)) {
            QVariantList data = playcontrol;
            data << QLatin1String( "Pause" ) << NONE << QLatin1String( "nostart" );
            matches << createMatch(this, i18n("Pause playing"), i18n("Audio player control"),
                                   QLatin1String( "pause" ), KIcon( QLatin1String( "media-playback-pause" )), data, 1.0);
        }

        //Stop
        if (context.isValid() && m_comStop.startsWith(term,Qt::CaseInsensitive)) {
            QVariantList data = playcontrol;
            data << QLatin1String( "Stop" ) << NONE << QLatin1String( "nostart" );
            matches << createMatch(this, i18n("Stop playing"), i18n("Audio player control"),
                                   QLatin1String( "stop" ), KIcon( QLatin1String( "media-playback-stop" )), data, 1.0);
        }

        //Increase
        if (context.isValid() && m_comIncrease.startsWith(term,Qt::CaseInsensitive)) {
            QVariantList data = playcontrol;
            data << QLatin1String( "VolumeUp" ) << NONE << QLatin1String( "nostart" ) << m_increaseBy;
            matches << createMatch(this, i18n("Increase volume by %1" , m_increaseBy),
                                   QLatin1String( "volumeup" ), i18n("Audio player control"), KIcon(QLatin1String( "audio-volume-high" )), data, 1.0);
        } else if (context.isValid() && equals(term, QRegExp( m_comIncrease + QLatin1String( " \\d{1,2}0{0,1}" ) ) ) ) {
            int volumeChange = getNumber(term, ' ' );
            QVariantList data = playcontrol;
            data << QLatin1String( "VolumeUp" ) << NONE << QLatin1String( "nostart" ) << volumeChange;
            matches << createMatch(this, i18n("Increase volume by %1" , volumeChange),
                                   QLatin1String( "volumeup" ), i18n("Audio player control"), KIcon(QLatin1String( "audio-volume-high" )), data, 1.0);
        }

        //Decrease
        if (context.isValid() && m_comDecrease.startsWith(term,Qt::CaseInsensitive)) {
            QVariantList data = playcontrol;
            data << QLatin1String( "VolumeDown" ) << NONE << QLatin1String( "nostart" ) << m_decreaseBy;
            matches << createMatch(this, i18n("Reduce volume by %1", m_decreaseBy),
                                   QLatin1String( "volumedown" ), i18n("Audio player control"), KIcon(QLatin1String( "audio-volume-low" )), data, 1.0);
        } else if (context.isValid() && equals(term, QRegExp( m_comDecrease + QLatin1String( " \\d{1,2}0{0,1}" ) ) ) ) {
            int volumeChange = getNumber(term, ' ');
            QVariantList data = playcontrol;
            data << QLatin1String( "VolumeDown" ) << NONE << QLatin1String( "nostart" ) << volumeChange;
//.........这里部分代码省略.........