C++ List::erase方法代码示例

KService::Ptr ArkViewer::getViewer(const QString &mimeType)
{
    // No point in even trying to find anything for application/octet-stream
    if (mimeType == QStringLiteral("application/octet-stream")) {
        return KService::Ptr();
    }

    // Try to get a read-only kpart for the internal viewer
    KService::List offers = KMimeTypeTrader::self()->query(mimeType, QStringLiteral("KParts/ReadOnlyPart"));

    auto arkPartIt = std::find_if(offers.begin(), offers.end(), [](KService::Ptr service) {
        return service->storageId() == QLatin1String("ark_part.desktop");
    });

    // Use the Ark part only when the mime type matches an archive type directly.
    // Many file types (e.g. Open Document) are technically just archives
    // but browsing their internals is typically not what the user wants.
    if (arkPartIt != offers.end()) {
        // Not using hasMimeType() as we're explicitly not interested in inheritance.
        if (!(*arkPartIt)->mimeTypes().contains(mimeType)) {
            offers.erase(arkPartIt);
        }
    }

    // If we can't find a kpart, try to get an external application
    if (offers.isEmpty()) {
        offers = KMimeTypeTrader::self()->query(mimeType, QStringLiteral("Application"));
    }

    if (!offers.isEmpty()) {
        return offers.first();
    } else {
        return KService::Ptr();
    }
}

ToggleViewGUIClient::ToggleViewGUIClient( KonqMainWindow *mainWindow )
: QObject( mainWindow )
{
  m_mainWindow = mainWindow;

  KService::List offers = KServiceTypeTrader::self()->query( "Browser/View" );
  KService::List::Iterator it = offers.begin();
  while ( it != offers.end() )
  {
    QVariant prop = (*it)->property( "X-KDE-BrowserView-Toggable" );
    QVariant orientation = (*it)->property( "X-KDE-BrowserView-ToggableView-Orientation" );

    if ( !prop.isValid() || !prop.toBool() ||
         !orientation.isValid() || orientation.toString().isEmpty() )
    {
      offers.erase( it );
      it = offers.begin();
    }
    else
      ++it;
  }

  m_empty = ( offers.count() == 0 );

  if ( m_empty )
    return;

  KService::List::ConstIterator cIt = offers.constBegin();
  KService::List::ConstIterator cEnd = offers.constEnd();
  for (; cIt != cEnd; ++cIt )
  {
    QString description = i18n( "Show %1" ,  (*cIt)->name() );
    QString name = (*cIt)->desktopEntryName();
    //kDebug() << "ToggleViewGUIClient: name=" << name;
    KToggleAction *action = new KToggleAction( description, this );
    mainWindow->actionCollection()->addAction( name.toLatin1(), action );

    // HACK
    if ( (*cIt)->icon() != "unknown" )
      action->setIcon( KIcon((*cIt)->icon()) );

    connect( action, SIGNAL(toggled(bool)),
             this, SLOT(slotToggleView(bool)) );

    m_actions.insert( name, action );

    QVariant orientation = (*cIt)->property( "X-KDE-BrowserView-ToggableView-Orientation" );
    bool horizontal = orientation.toString().toLower() == "horizontal";
    m_mapOrientation.insert( name, horizontal );
  }

  connect( m_mainWindow, SIGNAL(viewAdded(KonqView*)),
           this, SLOT(slotViewAdded(KonqView*)) );
  connect( m_mainWindow, SIGNAL(viewRemoved(KonqView*)),
           this, SLOT(slotViewRemoved(KonqView*)) );
}

void KJiebaRunner::match(Plasma::RunnerContext &context)
{
    const QString term = context.query();
    QList<Plasma::QueryMatch> matches;
    QSet<QString> seen;

    if (term.length() > 1) {
#if DEBUG
        qDebug() << "DEBUG:" << __PRETTY_FUNCTION__ << term;
#endif
        KService::List services = KServiceTypeTrader::self()->query("Application");
        services.erase(std::remove_if(services.begin(),
                                      services.end(),
                                      [=](QExplicitlySharedDataPointer<KService> it) {
            return it->exec().isEmpty() ||
                   (!kjiebaPtr->query(it->genericName()).contains(term)             &&
                    !kjiebaPtr->topinyin(it->genericName()).contains(term)          &&
                    !kjiebaPtr->topinyin(it->genericName(), false).contains(term)   &&
                    !kjiebaPtr->query(it->name()).contains(term)                    &&
                    !kjiebaPtr->topinyin(it->name()).contains(term)                 &&
                    !kjiebaPtr->topinyin(it->name(), false).contains(term));
        }), services.end());

		if (!services.isEmpty()) {
            Q_FOREACH (const KService::Ptr &service, services) {
                if (!service->noDisplay() &&
                    service->property(QStringLiteral("NotShowIn"), QVariant::String) != "KDE") {
                    Plasma::QueryMatch match(this);
                    match.setType(Plasma::QueryMatch::ExactMatch);

					const QString name = service->name();
#if DEBUG
                    qDebug() << "DEBUG:" << name;
#endif
                    match.setText(name);
                    match.setData(service->storageId());

                    if (!service->genericName().isEmpty() && service->genericName() != name)
                        match.setSubtext(service->genericName());
                    else if (!service->comment().isEmpty())
                        match.setSubtext(service->comment());
                   
                    if (!service->icon().isEmpty())
                        match.setIcon(QIcon::fromTheme(service->icon()));

                    match.setRelevance(1);
                    matches << match;
                    seen.insert(service->storageId());
                    seen.insert(service->exec());
                }
            }
        }

KService::List FileOperation::servicesForOpenWith(const QList<QUrl>& urls)
{
    // This code is inspired by KonqMenuActions:
    // kdebase/apps/lib/konq/konq_menuactions.cpp

    QStringList    mimeTypes;
    KService::List offers;

    foreach(const QUrl& item, urls)
    {
        const QString mimeType = QMimeDatabase().mimeTypeForFile(item.path(), QMimeDatabase::MatchExtension).name();

        if (!mimeTypes.contains(mimeType))
        {
            mimeTypes << mimeType;
        }
    }

    if (!mimeTypes.isEmpty())
    {
        // Query trader
        const QString firstMimeType      = mimeTypes.takeFirst();
        const QString constraintTemplate = QLatin1String("'%1' in ServiceTypes");
        QStringList constraints;

        foreach(const QString& mimeType, mimeTypes)
        {
            constraints << constraintTemplate.arg(mimeType);
        }

        offers = KMimeTypeTrader::self()->query(firstMimeType, QLatin1String("Application"), constraints.join(QLatin1String(" and ")));

        // remove duplicate service entries
        QSet<QString> seenApps;

        for (KService::List::iterator it = offers.begin(); it != offers.end();)
        {
            const QString appName((*it)->name());

            if (!seenApps.contains(appName))
            {
                seenApps.insert(appName);
                ++it;
            }
            else
            {
                it = offers.erase(it);
            }
        }
    }