C++ QMimeDatabase::mimeTypeForUrl方法代码示例

bool DocumentationViewer::urlSelected(const QString &url, int button, int state, const QString &_target, const KParts::OpenUrlArguments &args, const KParts::BrowserArguments & /* browserArgs */)
{
	QUrl cURL = completeURL(url);
	QMimeDatabase db;
	QString mime = db.mimeTypeForUrl(cURL).name();

	//load this URL in the embedded viewer if KHTML can handle it, or when mimetype detection failed
	KService::Ptr service = KService::serviceByDesktopName("khtml");
	if (db.mimeTypeForUrl(cURL).isDefault() || (service && service->hasServiceType(mime))) {
		KHTMLPart::urlSelected(url, button, state, _target, args);
		openUrl(cURL);
		addToHistory(cURL.url());
	}
	//KHTML can't handle it, look for an appropriate application
	else {
		KService::List offers = KMimeTypeTrader::self()->query(mime, "Type == 'Application'");
		if(offers.isEmpty()) {
			KMessageBox::error(view(), i18n("No KDE service found for the MIME type \"%1\".", mime));
			return false;
		}
		QList<QUrl> lst;
		lst.append(cURL);
		KRun::runService(*(offers.first()), lst, view());
	}
	return true;
}

void ProjectView::slotClicked(QTreeWidgetItem *item)
{
	if(!item) {
		item = currentItem();
	}

	ProjectViewItem *itm = static_cast<ProjectViewItem*>(item);
	if(itm) {
		if(itm->type() == KileType::File) {
			emit(fileSelected(itm->url()));
		}
		else if(itm->type() == KileType::ProjectItem) {
			emit(fileSelected(itm->projectItem()));
		}
		else if(itm->type() != KileType::Folder) {
			// don't open project configuration files (*.kilepr)
			if(itm->url().toLocalFile().right(7) != ".kilepr") {
				//determine mimeType and open file with preferred application
				QMimeDatabase db;
				QMimeType pMime = db.mimeTypeForUrl(itm->url());
				if(pMime.name().startsWith("text/")) {
					emit(fileSelected(itm->url()));
				}
				else {
					KRun::runUrl(itm->url(), pMime.name(), this);
				}
			}
		}
		clearSelection();
	}
}

const QString& vfile::vfile_getMime()
{
    if (vfile_mimeType.isEmpty()) {
        if(vfile_isdir)
            vfile_mimeType = "inode/directory";
        else if(vfile_isBrokenLink())
            vfile_mimeType = "unknown";
        else {
            QMimeDatabase db;
            QMimeType mt = db.mimeTypeForUrl(vfile_getUrl());
            vfile_mimeType = mt.isValid() ? mt.name() : "unknown";
            if (mt.isValid())
                vfile_icon = mt.iconName();
            if (vfile_mimeType == "inode/directory") {
                vfile_perm[0] = 'd';
                vfile_isdir = true;
            }
        }

        if (vfile_isdir && vfile_userDefinedFolderIcons) {
            QUrl url = vfile_getUrl();
            if (url.isLocalFile()) {
                QString file = url.toLocalFile() + "/.directory";
                KDesktopFile cfg(file);
                QString icon = cfg.readIcon();
                if(icon.startsWith(QLatin1String("./"))) // relative path
                    icon = url.toLocalFile() + '/' + icon;
                if (!icon.isEmpty())
                    vfile_icon = icon;
            }
        }
    }
    return vfile_mimeType;
}

QString AnimationResult::mimeType()
{
    QMimeDatabase db;
    QMimeType type = db.mimeTypeForUrl(d->url);

    return type.name();
}

QMimeType KFileItem::determineMimeType() const
{
    if (!d) {
        return QMimeType();
    }

    if (!d->m_mimeType.isValid() || !d->m_bMimeTypeKnown) {
        QMimeDatabase db;
        if (isDir()) {
            d->m_mimeType = db.mimeTypeForName(QStringLiteral("inode/directory"));
        } else {
            bool isLocalUrl;
            const QUrl url = mostLocalUrl(&isLocalUrl);
            d->m_mimeType = db.mimeTypeForUrl(url);
            // was:  d->m_mimeType = KMimeType::findByUrl( url, d->m_fileMode, isLocalUrl );
            // => we are no longer using d->m_fileMode for remote URLs.
            Q_ASSERT(d->m_mimeType.isValid());
            //qDebug() << d << "finding final mimetype for" << url << ":" << d->m_mimeType.name();
        }
        d->m_bMimeTypeKnown = true;
    }

    if (d->m_delayedMimeTypes) { // if we delayed getting the iconName up till now, this is the right point in time to do so
        d->m_delayedMimeTypes = false;
        d->m_useIconNameCache = false;
        (void)iconName();
    }

    return d->m_mimeType;
}

void PlacesItemEditDialog::initialize()
{
    QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Cancel);
    m_okButton = buttonBox->button(QDialogButtonBox::Ok);
    m_okButton->setDefault(true);
    m_okButton->setShortcut(Qt::CTRL | Qt::Key_Return);
    connect(buttonBox, &QDialogButtonBox::accepted, this, &PlacesItemEditDialog::accept);
    connect(buttonBox, &QDialogButtonBox::rejected, this, &PlacesItemEditDialog::reject);
    setModal(true);
    m_okButton->setDefault(true);

    QVBoxLayout *mainLayout = new QVBoxLayout;
    setLayout(mainLayout);
    QWidget* mainWidget = new QWidget(this);
    mainLayout->addWidget(mainWidget);
    mainLayout->addWidget(buttonBox);

    QVBoxLayout* vBox = new QVBoxLayout(mainWidget);

    QFormLayout* formLayout = new QFormLayout();
    vBox->addLayout( formLayout );

    m_textEdit = new QLineEdit(mainWidget);
    formLayout->addRow(i18nc("@label", "Label:"), m_textEdit);
    m_textEdit->setText(m_text);
    m_textEdit->setPlaceholderText(i18n("Enter descriptive label here"));

    m_urlEdit = new KUrlRequester(m_url, mainWidget);
    m_urlEdit->setMode(KFile::Directory);
    formLayout->addRow(i18nc("@label", "Location:"), m_urlEdit);
    // Provide room for at least 40 chars (average char width is half of height)
    m_urlEdit->setMinimumWidth(m_urlEdit->fontMetrics().height() * (40 / 2));
    connect(m_urlEdit, &KUrlRequester::textChanged, this, &PlacesItemEditDialog::slotUrlChanged);

    m_iconButton = new KIconButton(mainWidget);
    formLayout->addRow(i18nc("@label", "Choose an icon:"), m_iconButton);
    m_iconButton->setIconSize(IconSize(KIconLoader::Desktop));
    m_iconButton->setIconType(KIconLoader::NoGroup, KIconLoader::Place);
    if (m_icon.isEmpty()) {
        QMimeDatabase db;
        m_iconButton->setIcon(db.mimeTypeForUrl(m_url).iconName());
    } else {
        m_iconButton->setIcon(m_icon);
    }

    if (m_allowGlobal) {
        const QString appName = KAboutData::applicationData().displayName();
        m_appLocal = new QCheckBox( i18n("&Only show when using this application (%1)",  appName ), mainWidget );
        m_appLocal->setChecked(false);
        vBox->addWidget(m_appLocal);
    }

    if (m_text.isEmpty()) {
        m_urlEdit->setFocus();
    } else {
        m_textEdit->setFocus();
    }

}

QString ExportManager::makeSaveMimetype(const QUrl &url)
{
    QMimeDatabase mimedb;
    QString type = mimedb.mimeTypeForUrl(url).preferredSuffix();

    if (type.isEmpty()) {
        return QStringLiteral("png");
    }
    return type;
}

void DappLoader::downloadComplete(QNetworkReply* _reply)
{
	QUrl requestUrl = _reply->request().url();
	if (m_pageUrls.count(requestUrl) != 0)
	{
		//inject web3 js
		QByteArray content = "<script>\n";
		content.append(web3Content());
		content.append("</script>\n");
		content.append(_reply->readAll());
		QString contentType = _reply->header(QNetworkRequest::ContentTypeHeader).toString();
		if (contentType.isEmpty())
		{
			QMimeDatabase db;
			contentType = db.mimeTypeForUrl(requestUrl).name();
		}
		pageReady(content, contentType, requestUrl);
		return;
	}

	try
	{
		//try to interpret as rlp
		QByteArray data = _reply->readAll();
		_reply->deleteLater();

		h256 expected = m_uriHashes[requestUrl];
		bytes package(reinterpret_cast<unsigned char const*>(data.constData()), reinterpret_cast<unsigned char const*>(data.constData() + data.size()));
		Secp256k1 dec;
		dec.decrypt(expected, package);
		h256 got = sha3(package);
		if (got != expected)
		{
			//try base64
			data = QByteArray::fromBase64(data);
			package = bytes(reinterpret_cast<unsigned char const*>(data.constData()), reinterpret_cast<unsigned char const*>(data.constData() + data.size()));
			dec.decrypt(expected, package);
			got = sha3(package);
			if (got != expected)
				throw dev::Exception() << errinfo_comment("Dapp content hash does not match");
		}

		RLP rlp(package);
		loadDapp(rlp);
	}
	catch (...)
	{
		qWarning() << tr("Error downloading DApp: ") << boost::current_exception_diagnostic_information().c_str();
		emit dappError();
	}

}

void KUrlNavigatorPlacesSelector::dropEvent(QDropEvent *event)
{
    setDisplayHintEnabled(DraggedHint, false);
    update();

    QMimeDatabase db;
    const QList<QUrl> urlList = KUrlMimeData::urlsFromMimeData(event->mimeData());
    foreach (const QUrl &url, urlList) {
        QMimeType mimetype = db.mimeTypeForUrl(url);
        if (mimetype.inherits(QStringLiteral("inode/directory"))) {
            m_placesModel->addPlace(url.fileName(), url);
        }
    }

MessageCore::AttachmentFromUrlBaseJob *AttachmentFromUrlUtils::createAttachmentJob(const QUrl &url, QObject *parent)
{
    MessageCore::AttachmentFromUrlBaseJob *ajob = 0;
    QMimeDatabase db;
    if (db.mimeTypeForUrl(url).name() == QLatin1String("inode/directory")) {
        qCDebug(MESSAGECORE_LOG) << "Creating attachment from folder";
        ajob = new MessageCore::AttachmentFromFolderJob(url, parent);
    } else {
        ajob = new MessageCore::AttachmentFromUrlJob(url, parent);
        qCDebug(MESSAGECORE_LOG) << "Creating attachment from file";
    }
    if (MessageCore::MessageCoreSettings::maximumAttachmentSize() > 0) {
        ajob->setMaximumAllowedSize(MessageCore::MessageCoreSettings::maximumAttachmentSize());
    }
    return ajob;
}

void ProjectView::contextMenuEvent(QContextMenuEvent *event)
{
	QSignalMapper signalMapper, serviceSignalMapper;
	QMenu popup;
	QAction *action = Q_NULLPTR;

	QTreeWidgetItem* treeWidgetItem = itemAt(event->pos());
	if(!treeWidgetItem) {
		return;
	}

	ProjectViewItem *projectViewItem = dynamic_cast<ProjectViewItem*>(treeWidgetItem);
	if(!projectViewItem) {
		return;
	}

	if(projectViewItem->type() == KileType::Folder) {
		return;
	}

	bool insertsep = false;
	bool isKilePrFile = false;
	if(projectViewItem->type() != KileType::Project && projectViewItem->projectItem()
	                                                && projectViewItem->projectItem()->project()) {
		isKilePrFile = projectViewItem->projectItem()->project()->url() == projectViewItem->url();
	}

	if(projectViewItem->type() == KileType::ProjectExtra && !isKilePrFile) {
		QMenu *servicesMenu = popup.addMenu(QIcon::fromTheme("fork"), i18n("&Open With"));
		connect(&serviceSignalMapper, SIGNAL(mapped(int)), this, SLOT(slotRun(int)));
QMimeDatabase db;
		m_offerList = KMimeTypeTrader::self()->query(db.mimeTypeForUrl(projectViewItem->url()).name(), "Application");
		for (int i = 0; i < m_offerList.count(); ++i) {
			action = new QAction(servicesMenu);
			action->setIcon(QIcon::fromTheme(m_offerList[i]->icon()));
			action->setText(m_offerList[i]->name());
			connect(action, SIGNAL(triggered()), &serviceSignalMapper, SLOT(map()));
			serviceSignalMapper.setMapping(action, i + 1);
			servicesMenu->addAction(action);
		}

		servicesMenu->addSeparator();
		action = servicesMenu->addAction(i18n("Other..."), &serviceSignalMapper, SLOT(map()));
		serviceSignalMapper.setMapping(action, 0);
		insertsep = true;
	}

bool DropHandler::handleURL(const QList<QUrl>& urls_) {
  bool hasUnknown = false;
  QList<QUrl> tc, pdf, bib, ris, ciw;
  foreach(const QUrl& url, urls_) {
    QMimeType ptr;
    // findByURL doesn't work for http, so actually query
    // the url itself
    if(url.scheme() != QLatin1String("http")) {
      QMimeDatabase db;
      ptr = db.mimeTypeForUrl(url);
    } else {
      KIO::MimetypeJob* job = KIO::mimetype(url, KIO::HideProgressInfo);
      KJobWidgets::setWindow(job, GUI::Proxy::widget());
      job->exec();
      QMimeDatabase db;
      ptr = db.mimeTypeForName(job->mimetype());
    }
    if(ptr.inherits(QLatin1String("application/x-tellico"))) {
      tc << url;
    } else if(ptr.inherits(QLatin1String("application/pdf"))) {
      pdf << url;
    } else if(ptr.inherits(QLatin1String("text/x-bibtex")) ||
              ptr.inherits(QLatin1String("application/x-bibtex")) ||
              ptr.inherits(QLatin1String("application/bibtex"))) {
      bib << url;
    } else if(ptr.inherits(QLatin1String("application/x-research-info-systems"))) {
      ris << url;
    } else if(url.fileName().endsWith(QLatin1String(".bib"))) {
      bib << url;
    } else if(url.fileName().endsWith(QLatin1String(".ris"))) {
      ris << url;
    } else if(url.fileName().endsWith(QLatin1String(".ciw"))) {
      ciw << url;
    } else if(ptr.inherits(QLatin1String("text/plain")) && Import::BibtexImporter::maybeBibtex(url)) {
      bib << url;
    } else if(ptr.inherits(QLatin1String("text/plain")) && Import::RISImporter::maybeRIS(url)) {
      ris << url;
    } else if(ptr.inherits(QLatin1String("text/plain")) && Import::CIWImporter::maybeCIW(url)) {
      ciw << url;
    } else {
      myDebug() << "unrecognized type: " << ptr.name() << " (" << url << ")";
      hasUnknown = true;
    }
  }

/*!
  \brief Returns id of the default program that is capable to open given \a url.
*/
QString QDefaultProgram::defaultProgram(const QUrl &url)
{
    QMimeDatabase db;
    QMimeType mimeType = db.mimeTypeForUrl(url);

//    if (!mimeType.isValid())
//        return;

//    QMimeType mt = mimeType;
//    while (mt.isValid()) {
//        qDebug() << mt.name();
//        qDebug() << QDefaultProgram::defaultProgram(mt.name());
//        if (mt.parentMimeTypes().isEmpty())
//            break;
//        mt = db.mimeTypeForName(mt.parentMimeTypes().first());
//    }

    return defaultProgram(mimeType.name());
}

void TwitterMicroBlog::createPostWithAttachment(Choqok::Account *theAccount, Choqok::Post *post,
        const QString &mediumToAttach)
{
    if (mediumToAttach.isEmpty()) {
        TwitterApiMicroBlog::createPost(theAccount, post);
    } else {
        const QUrl picUrl = QUrl::fromUserInput(mediumToAttach);
        KIO::StoredTransferJob *picJob = KIO::storedGet(picUrl, KIO::Reload, KIO::HideProgressInfo);
        picJob->exec();
        if (picJob->error()) {
            qCCritical(CHOQOK) << "Job error:" << picJob->errorString();
            KMessageBox::detailedError(Choqok::UI::Global::mainWindow(),
                                       i18n("Uploading medium failed: cannot read the medium file."),
                                       picJob->errorString());
            return;
        }
        const QByteArray picData = picJob->data();
        if (picData.count() == 0) {
            qCCritical(CHOQOK) << "Cannot read the media file, please check if it exists.";
            KMessageBox::error(Choqok::UI::Global::mainWindow(),
                               i18n("Uploading medium failed: cannot read the medium file."));
            return;
        }

        TwitterAccount *account = qobject_cast<TwitterAccount *>(theAccount);
        QUrl url = account->uploadUrl();
        url.setPath(url.path() + QStringLiteral("/statuses/update_with_media.%1").arg(format));
        const QMimeDatabase db;
        QByteArray fileContentType = db.mimeTypeForUrl(picUrl).name().toUtf8();

        QMap<QString, QByteArray> formdata;
        formdata[QLatin1String("status")] = post->content.toUtf8();
        if (!post->replyToPostId.isEmpty()) {
            formdata[QLatin1String("in_reply_to_status_id")] = post->replyToPostId.toLatin1();
        }
        formdata[QLatin1String("source")] = QCoreApplication::applicationName().toLatin1();

        QMap<QString, QByteArray> mediafile;
        mediafile[QLatin1String("name")] = "media[]";
        mediafile[QLatin1String("filename")] = picUrl.fileName().toUtf8();
        mediafile[QLatin1String("mediumType")] = fileContentType;
        mediafile[QLatin1String("medium")] = picData;
        QList< QMap<QString, QByteArray> > listMediafiles;
        listMediafiles.append(mediafile);

        QByteArray data = Choqok::MediaManager::createMultipartFormData(formdata, listMediafiles);

        KIO::StoredTransferJob *job = KIO::storedHttpPost(data, url, KIO::HideProgressInfo) ;
        if (!job) {
            qCCritical(CHOQOK) << "Cannot create a http POST request!";
            return;
        }
        job->addMetaData(QStringLiteral("content-type"),
                         QStringLiteral("Content-Type: multipart/form-data; boundary=AaB03x"));
        job->addMetaData(QStringLiteral("customHTTPHeader"),
                         QStringLiteral("Authorization: ") +
                         QLatin1String(authorizationHeader(account, url, QOAuth::POST)));
        mCreatePostMap[ job ] = post;
        mJobsAccount[job] = theAccount;
        connect(job, SIGNAL(result(KJob*)),
                SLOT(slotCreatePost(KJob*)));
        job->start();
    }
}

void TestBuddies::testDUChainBuddy()
{
    enableBuddies();
    enableOpenAfterCurrent();

    QTemporaryDir dirA;

    TestFile header("void myfunction();\n", "h", nullptr, dirA.path());
    TestFile other("void otherfunction() {}\n", "cpp", nullptr, dirA.path());
    TestFile source(
        QString("#include \"%1\"\nvoid myfunction() {}\n").arg(header.url().toUrl().fileName()),
        "cpp", nullptr, dirA.path()
    );

    header.parseAndWait();
    other.parseAndWait();
    source.parseAndWait();

    // Test IBuddyDocumentFinder::getPotentialBuddies()
    QMimeDatabase db;
    IBuddyDocumentFinder* sourceBuddyFinder = IBuddyDocumentFinder::finderForMimeType(db.mimeTypeForUrl(source.url().toUrl()).name());
    QVector< QUrl > sourceBuddies = sourceBuddyFinder->getPotentialBuddies(source.url().toUrl());
    if (!sourceBuddies.contains(header.url().toUrl())) {
        qDebug() << "got source buddies: " << sourceBuddies;
        qDebug() << "expected: " << header.url().toUrl();
        QFAIL("Failed to find buddy for source file");
    }
    QVERIFY2(!sourceBuddies.contains(other.url().toUrl()), "source buddy list contains unrelated file");

    IBuddyDocumentFinder* headerBuddyFinder = IBuddyDocumentFinder::finderForMimeType(db.mimeTypeForUrl(header.url().toUrl()).name());
    QVector< QUrl > headerBuddies = headerBuddyFinder->getPotentialBuddies(header.url().toUrl());
    if (!headerBuddies.contains(source.url().toUrl())) {
        qDebug() << "got header buddies: " << headerBuddies;
        qDebug() << "expected: " << source.url().toUrl();
        QFAIL("Failed to find buddy for header file");
    }
    QVERIFY2(!headerBuddies.contains(other.url().toUrl()), "header buddy list contains unrelated file");

    // Test IBuddyDocumentFinder::areBuddies()
    QVERIFY(sourceBuddyFinder->areBuddies(source.url().toUrl(), header.url().toUrl()));
}