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 = std::find_if(urls.constBegin(),
  28                                              urls.constEnd(),
  29                                              [destUrl](const QUrl &url) {
  30                                                  return url.matches(destUrl, QUrl::StripTrailingSlash);
  31                                              })
  32         != urls.constEnd();
  33
  34     return *m_urlListMatchesUrlCache.insert(destUrl, destUrlMatches);
  35 }
  36
  37 KIO::DropJob *DragAndDropHelper::dropUrls(const QUrl &destUrl, QDropEvent *event, QWidget *window)
  38 {
  39     const QMimeData *mimeData = event->mimeData();
  40     if (isArkDndMimeType(mimeData)) {
  41         const QString remoteDBusClient = mimeData->data(arkDndServiceMimeType());
  42         const QString remoteDBusPath = mimeData->data(arkDndPathMimeType());
  43
  44         QDBusMessage message = QDBusMessage::createMethodCall(remoteDBusClient,
  45                                                               remoteDBusPath,
  46                                                               QStringLiteral("org.kde.ark.DndExtract"),
  47                                                               QStringLiteral("extractSelectedFilesTo"));
  48         message.setArguments({destUrl.toDisplayString(QUrl::PreferLocalFile)});
  49         QDBusConnection::sessionBus().call(message);
  50     } else {
  51         if (urlListMatchesUrl(event->mimeData()->urls(), destUrl)) {
  52             return nullptr;
  53         }
  54
  55         // Drop into a directory or a desktop-file
  56         KIO::DropJob *job = KIO::drop(event, destUrl);
  57         KJobWidgets::setWindow(job, window);
  58         return job;
  59     }
  60
  61     return nullptr;
  62 }
  63
  64 void DragAndDropHelper::clearUrlListMatchesUrlCache()
  65 {
  66     DragAndDropHelper::m_urlListMatchesUrlCache.clear();
  67 }
  68
  69 bool DragAndDropHelper::isArkDndMimeType(const QMimeData *mimeData)
  70 {
  71     return mimeData->hasFormat(arkDndServiceMimeType()) && mimeData->hasFormat(arkDndPathMimeType());
  72 }