C++ kservice::List类代码示例

void PluginManager::loadPlugins()
{
    DEBUG_FUNC_NAME
    KConfigGroup group = KGlobal::config()->group( "Plugins" );
    KService::List offers = KServiceTypeTrader::self()->query(
                                QString::fromLatin1( "GluonCreator/Plugin" ),
                                QString( "[X-KDE-GluonCreatorPluginVersion] == %1" ).arg( GLUONCREATOR_PLUGIN_VERSION ) );

    KService::List::const_iterator iter;
    for( iter = offers.begin(); iter < offers.end(); ++iter )
    {
        QString error;
        KService::Ptr service = *iter;

        QString serviceName = service->desktopEntryName();
        bool loadPlugin = group.readEntry<bool>( QString( "%1Enabled" ).arg( serviceName ), true );

        if( !d->loadedPlugins.contains( serviceName ) && loadPlugin )
        {
            KPluginFactory* factory = KPluginLoader( service->library() ).factory();

            if( !factory )
            {
                DEBUG_TEXT( QString( "KPluginFactory could not load the plugin: %1" ).arg( service->library() ) );
                continue;
            }

            Plugin* plugin = factory->create<Plugin>( this );

            if( plugin )
            {
                DEBUG_TEXT( QString( "Load plugin: %1" ).arg( service->name() ) );
                plugin->load( d->mainWindow );
                d->loadedPlugins.insert( serviceName, plugin );
            }
            else
            {
                DEBUG_TEXT( error );
            }
        }
        else if( !loadPlugin && d->loadedPlugins.contains( serviceName ) )
        {
            Plugin* plugin = d->loadedPlugins.value( serviceName );
            plugin->unload( d->mainWindow );
            delete plugin;
            d->loadedPlugins.remove( serviceName );
        }
    }
}

void BackendSelection::loadServices(const KService::List &offers)
{
    m_services.clear();
    m_select->clear();

    KService::List::const_iterator it = offers.begin();
    const KService::List::const_iterator end = offers.end();
    for (; it != end; ++it)
    {
        KService::Ptr service = *it;
        m_select->addItem(service->name());
        m_services[service->name()] = service;
    }
    m_select->setItemSelected(m_select->item(0), true);
}

bool PartController::canCreatePart(const KUrl& url)
{
    if (!url.isValid()) return false;

    QString mimeType;
    if ( url.isEmpty() )
        mimeType = QString::fromLatin1("text/plain");
    else
        mimeType = KMimeType::findByUrl( url )->name();

    KService::List offers = KMimeTypeTrader::self()->query(
                                mimeType,
                                "KParts/ReadOnlyPart" );

    return offers.count() > 0;
}

// Helper method for all the trader tests
static bool offerListHasService(const KService::List &offers,
                                const QString &entryPath)
{
    bool found = false;
    KService::List::const_iterator it = offers.begin();
    for (; it != offers.end(); ++it) {
        if ((*it)->entryPath() == entryPath) {
            if (found) {  // should be there only once
                qWarning("ERROR: %s was found twice in the list", qPrintable(entryPath));
                return false; // make test fail
            }
            found = true;
        }
    }
    return found;
}

void KonqPopupMenuPrivate::addPlugins()
{
    QString commonMimeType = m_popupItemProperties.mimeType();
    if (commonMimeType.isEmpty()) {
        commonMimeType = QLatin1String("application/octet-stream");
    }

    const KService::List fileItemPlugins = KMimeTypeTrader::self()->query(commonMimeType, QStringLiteral("KFileItemAction/Plugin"), QStringLiteral("exist Library"));
    if (!fileItemPlugins.isEmpty()) {
        const KConfig config(QStringLiteral("kservicemenurc"), KConfig::NoGlobals);
        const KConfigGroup showGroup = config.group("Show");

        foreach (const auto &service, fileItemPlugins) {
            if (!showGroup.readEntry(service->desktopEntryName(), true)) {
                // The plugin has been disabled
                continue;
            }

            KAbstractFileItemActionPlugin *abstractPlugin = service->createInstance<KAbstractFileItemActionPlugin>();
            if (abstractPlugin) {
                abstractPlugin->setParent(q);
                q->addActions(abstractPlugin->actions(m_popupItemProperties, m_parentWidget));
            }
        }
    }
}

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 KMimeTypeTest::testMimeTypeTraderForAlias()
{
    if (!KSycoca::isAvailable()) {
        QSKIP("ksycoca not available");
    }

    const KService::List referenceOffers = KMimeTypeTrader::self()->query("application/xml", "KParts/ReadOnlyPart");
    QVERIFY(offerListHasService(referenceOffers, "faketextpart.desktop"));
    QVERIFY(!offerListHasService(referenceOffers, "fakepatchpart.desktop"));

    // Querying mimetype trader for services associated with text/xml, which is an alias for application/xml
    const KService::List offers = KMimeTypeTrader::self()->query("text/xml", "KParts/ReadOnlyPart");
    QVERIFY(offerListHasService(offers, "faketextpart.desktop"));
    QVERIFY(!offerListHasService(offers, "fakepatchpart.desktop"));

    QCOMPARE(offers.count(), referenceOffers.count());
}

void FileOperation::openFilesWithDefaultApplication(const QList<QUrl>& urls, QWidget* const parentWidget)
{
    if (urls.isEmpty())
    {
        return;
    }

    // Create a map of service depending of type mimes to route and start only one instance of relevant application with all same type mime files.

    QMap<KService::Ptr, QList<QUrl>> servicesMap;

    foreach (const QUrl& url, urls)
    {
        const QString mimeType = QMimeDatabase().mimeTypeForFile(url.path(), QMimeDatabase::MatchExtension).name();
        KService::List offers  = KMimeTypeTrader::self()->query(mimeType, QLatin1String("Application"));

        if (offers.isEmpty())
        {
            return;
        }

        KService::Ptr ptr                                   = offers.first();
        QMap<KService::Ptr, QList<QUrl>>::const_iterator it = servicesMap.constFind(ptr);

        if (it != servicesMap.constEnd())
        {
            servicesMap[ptr] << url;
        }
        else
        {
            servicesMap.insert(ptr, QList<QUrl>() << url);
        }
    }

    for (QMap<KService::Ptr, QList<QUrl>>::const_iterator it = servicesMap.constBegin();
         it != servicesMap.constEnd(); ++it)
    {
        // Run the dedicated app to open the item.

#if KIO_VERSION < QT_VERSION_CHECK(5,6,0)
        KRun::run(*it.key(), it.value(), parentWidget);
#else
        KRun::runService(*it.key(), it.value(), parentWidget);
#endif
    }
}

STDMETHODIMP CShellExt::QueryContextMenu(HMENU hMenu, UINT indexMenu, UINT idCmdFirst, UINT idCmdLast, UINT uFlags)
{
    UINT idCmd = idCmdFirst;
    BOOL bAppendItems=TRUE;
    TCHAR szFileUserClickedOn[MAX_PATH];

    FORMATETC fmte = {
        CF_HDROP,
        (DVTARGETDEVICE FAR *)NULL,
        DVASPECT_CONTENT,
        -1,
        TYMED_HGLOBAL
    };

    HRESULT hres = m_pDataObj->GetData(&fmte, &m_stgMedium);

    if (SUCCEEDED(hres)) {
        if (m_stgMedium.hGlobal)
            m_cbFiles = DragQueryFile((HDROP)m_stgMedium.hGlobal, (UINT)-1, 0, 0);
            qDebug() << "number of files:" << m_cbFiles;
            for (unsigned i = 0; i < m_cbFiles; i++) {
                DragQueryFile((HDROP)m_stgMedium.hGlobal, i, szFileUserClickedOn, MAX_PATH);
                qDebug() << "file to open:" << lptstr2QString(szFileUserClickedOn);
            }
    }
    QString path = lptstr2QString(szFileUserClickedOn);

    UINT nIndex = indexMenu++;
    
    KMimeType::Ptr ptr = KMimeType::findByPath(path);

    KService::List lst = KMimeTypeTrader::self()->query(ptr->name(), "Application");
    
    if(lst.size() > 0)
    {
        TCHAR str[256];
        wsprintf(str, TEXT("Open with %s"), (LPTSTR)lst.at(0)->name().utf16());
        InsertMenu(hMenu, nIndex, MF_STRING|MF_BYPOSITION, idCmd++, str );

        if (m_hKdeLogoBmp) {
            SetMenuItemBitmaps(hMenu, nIndex, MF_BYPOSITION, m_hKdeLogoBmp, m_hKdeLogoBmp);
        }
    }

    return ResultFromShort(idCmd-idCmdFirst);
}

QString ibanBicData::iban2Bic(const QString& iban)
{
  Q_ASSERT(iban.length() < 1 || iban.at(0).isLetterOrNumber());
  Q_ASSERT(iban.length() < 2 || iban.at(1).isLetterOrNumber());
  Q_ASSERT(iban == payeeIdentifiers::ibanBic::ibanToElectronic(iban));

  if (iban.length() <= 4)   // This iban is to short to extract a BIC
    return QString("");

  // Get bank identifier
  const QString bankCode = extractBankIdentifier(iban);
  if (bankCode.isEmpty())
    return bankCode; // keep .isEmpty() or .isNull()

  // Get countryCode
  const QString countryCode = iban.left(2);

  // Get services which support iban2bic and have a database entry
  KService::List services = KServiceTypeTrader::self()->query("KMyMoney/IbanBicData",
                            QString("(\'%1' ~in [X-KMyMoney-CountryCodes] or '*' in [X-KMyMoney-CountryCodes]) and true == [X-KMyMoney-IBAN-2-BIC-supported] and exist [X-KMyMoney-Bankdata-Database]").arg(countryCode)
                                                             );

  if (services.isEmpty())
    return QString();

  QSqlDatabase db = createDatabaseConnection(services.first()->property(QLatin1String("X-KMyMoney-Bankdata-Database"), QVariant::String).toString());
  if (!db.isOpen())   // This is an error
    return QString();

  QSqlQuery query = QSqlQuery(db);
  query.prepare("SELECT bic FROM institutions WHERE bankcode=? and country=?");
  query.bindValue(0, bankCode);
  query.bindValue(1, countryCode);

  if (!query.exec()) {
    qWarning() << QString("Could not execute query on \"%1\" to receive BIC. Error: %2").arg(db.databaseName()).arg(query.lastError().text());
    return QString();
  }

  if (query.next()) {
    return query.value(0).toString();
  }

  return QString("");
}

void FilterOptions::load()
{
  KConfig config(KURISearchFilterEngine::self()->name() + QStringLiteral("rc"), KConfig::NoGlobals);
  KConfigGroup group = config.group("General");

  const QString defaultSearchEngine = group.readEntry("DefaultWebShortcut");
  const QStringList favoriteEngines = group.readEntry("PreferredWebShortcuts", DEFAULT_PREFERRED_SEARCH_PROVIDERS);

  QList<SearchProvider*> providers;
  const KService::List services = KServiceTypeTrader::self()->query(QStringLiteral("SearchProvider"));
  int defaultProviderIndex = services.size(); //default is "None", it is last in the list

  Q_FOREACH(const KService::Ptr &service, services)
  {
    SearchProvider* provider = new SearchProvider(service);
    if (defaultSearchEngine == provider->desktopEntryName())
      defaultProviderIndex = providers.size();
    providers.append(provider);
  }

//---------------------------------------------------------------------------
//
// Read the command line needed to run the screensaver given a .desktop file.
//
void ScreenSaverWindow::readSaver()
{
    if (!m_saver.isEmpty())
    {
        QString entryName = m_saver;
        if( entryName.endsWith( QLatin1String( ".desktop" ) ))
            entryName = entryName.left( entryName.length() - 8 ); // strip it
        const KService::List offers = KServiceTypeTrader::self()->query( QLatin1String( "ScreenSaver" ),
            QLatin1String( "DesktopEntryName == '" ) + entryName.toLower() + QLatin1Char( '\'' ) );
        if( offers.isEmpty() )
        {
            kDebug(1204) << "Cannot find screesaver: " << m_saver;
            return;
        }
        const QString file = KStandardDirs::locate("services", offers.first()->entryPath());

        const bool opengl = KAuthorized::authorizeKAction(QLatin1String( "opengl_screensavers" ));
        const bool manipulatescreen = KAuthorized::authorizeKAction(QLatin1String( "manipulatescreen_screensavers" ));
        KDesktopFile config( file );
        KConfigGroup desktopGroup = config.desktopGroup();
        foreach (const QString &type, desktopGroup.readEntry("X-KDE-Type").split(QLatin1Char(';'))) {
            if (type == QLatin1String("ManipulateScreen")) {
                if (!manipulatescreen) {
                    kDebug(1204) << "Screensaver is type ManipulateScreen and ManipulateScreen is forbidden";
                    m_forbidden = true;
                }
            } else if (type == QLatin1String("OpenGL")) {
                m_openGLVisual = true;
                if (!opengl) {
                    kDebug(1204) << "Screensaver is type OpenGL and OpenGL is forbidden";
                    m_forbidden = true;
                }
            }
        }

        kDebug(1204) << "m_forbidden: " << (m_forbidden ? "true" : "false");

        if (config.hasActionGroup(QLatin1String( "InWindow" )))
        {
            m_saverExec = config.actionGroup(QLatin1String( "InWindow" )).readPathEntry("Exec", QString());
        }
    }

bool ClientApp::kde_open(const KUrl& url, const QString& mimeType, bool allowExec)
{
    if ( mimeType.isEmpty() ) {
        kDebug() << url;
        KRun * run = new KRun( url, 0 );
        run->setRunExecutables(allowExec);
        QObject::connect( run, SIGNAL( finished() ), this, SLOT( delayedQuit() ));
        QObject::connect( run, SIGNAL( error() ), this, SLOT( delayedQuit() ));
        this->exec();
        return !krun_has_error;
    } else {
        KUrl::List urls;
        urls.append( url );
        const KService::List offers = KMimeTypeTrader::self()->query(
            mimeType, QLatin1String( "Application" ) );
        if (offers.isEmpty()) return 1;
        KService::Ptr serv = offers.first();
        return KRun::run( *serv, urls, 0 );
    }
}

void KMimeTypeTest::testMimeTypeTraderForTextPlain()
{
    if ( !KSycoca::isAvailable() )
        QSKIP( "ksycoca not available", SkipAll );

    // Querying mimetype trader for services associated with text/plain
    KService::List offers = KMimeTypeTrader::self()->query("text/plain", "KParts/ReadOnlyPart");
    QVERIFY( offerListHasService( offers, "katepart.desktop" ) );
    QVERIFY( offerListHasService( offers, "faketextpart.desktop" ) );

    offers = KMimeTypeTrader::self()->query("text/plain", "KTextEditor/Plugin");
    QVERIFY( offers.count() > 0 );

    // We should have at least the fake text plugin that we created for this.
    // (The actual plugins from kdelibs don't mention text/plain anymore)
    QVERIFY( offerListHasService( offers, "faketextplugin.desktop" ) );

    // We shouldn't have non-plugins
    QVERIFY( !offerListHasService( offers, "katepart.desktop" ) );
}

QVariantList createListForFileItem(const KFileItem &fileItem)
{
    QVariantList list;
    if (fileItem.url() == KUrl("trash:/")) {
        list << createEmptyTrashItem() << createSeparatorActionItem();
    }
    KService::List services = KMimeTypeTrader::self()->query(fileItem.mimetype(), "Application");
    if (!services.isEmpty()) {
        list << createTitleActionItem(i18n("Open with:"));
        Q_FOREACH(const KService::Ptr service, services) {
            const QString text = service->name().replace('&', "&&");
            QVariantMap item = createActionItem(text, "_homerun_fileItem_openWith", service->entryPath());
            QString iconName = service->icon();
            if (!iconName.isEmpty()) {
                item["icon"] = KIcon(service->icon());
            }
            list << item;
        }
        list << createSeparatorActionItem();
    }