src/views/draganddrophelper.cpp

   1 /*
   2  * SPDX-FileCopyrightText: 2007-2011 Peter Penz <peter.penz19@gmail.com>
   3  * SPDX-FileCopyrightText: 2007 David Faure <faure@kde.org>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 #include "draganddrophelper.h"
   9
  10 #include <KIO/DropJob>
  11 #include <KJobWidgets>
  12
  13 #include <QDBusConnection>
  14 #include <QDBusMessage>
  15 #include <QDropEvent>
  16 #include <QMimeData>
  17
  18 QHash<QUrl, bool> DragAndDropHelper::m_urlListMatchesUrlCache;
  19
  20 bool DragAndDropHelper::urlListMatchesUrl(const QList<QUrl>& urls, const QUrl& destUrl)
  21 {
  22     auto iteratorResult = m_urlListMatchesUrlCache.constFind(destUrl);
  23     if (iteratorResult != m_urlListMatchesUrlCache.constEnd()) {
  24         return *iteratorResult;
  25     }
  26
  27     const bool destUrlMatches =
  28         std::find_if(urls.constBegin(), urls.constEnd(), [destUrl](const QUrl& url) {
  29             return url.matches(destUrl, QUrl::StripTrailingSlash);
  30         }) != urls.constEnd();
  31
  32     return *m_urlListMatchesUrlCache.insert(destUrl, destUrlMatches);
  33 }
  34
  35 KIO::DropJob* DragAndDropHelper::dropUrls(const QUrl& destUrl, QDropEvent* event, QWidget* window)
  36 {
  37     const QMimeData* mimeData = event->mimeData();
  38     if (isArkDndMimeType(mimeData)) {
  39         const QString remoteDBusClient = mimeData->data(arkDndServiceMimeType());
  40         const QString remoteDBusPath = mimeData->data(arkDndPathMimeType());
  41
  42         QDBusMessage message = QDBusMessage::createMethodCall(remoteDBusClient, remoteDBusPath,
  43                                                               QStringLiteral("org.kde.ark.DndExtract"), QStringLiteral("extractSelectedFilesTo"));
  44         message.setArguments({destUrl.toDisplayString(QUrl::PreferLocalFile)});
  45         QDBusConnection::sessionBus().call(message);
  46     } else {
  47         if (urlListMatchesUrl(event->mimeData()->urls(), destUrl)) {
  48             return nullptr;
  49         }
  50
  51         // Drop into a directory or a desktop-file
  52         KIO::DropJob *job = KIO::drop(event, destUrl);
  53         KJobWidgets::setWindow(job, window);
  54         return job;
  55     }
  56
  57     return nullptr;
  58 }
  59
  60 void DragAndDropHelper::clearUrlListMatchesUrlCache()
  61 {
  62     DragAndDropHelper::m_urlListMatchesUrlCache.clear();
  63 }
  64
  65 bool DragAndDropHelper::isArkDndMimeType(const QMimeData *mimeData)
  66 {
  67     return mimeData->hasFormat(arkDndServiceMimeType())
  68             && mimeData->hasFormat(arkDndPathMimeType());
  69 }