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path: root/src/views/draganddrophelper.cpp
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/*
 * SPDX-FileCopyrightText: 2007-2011 Peter Penz <[email protected]>
 * SPDX-FileCopyrightText: 2007 David Faure <[email protected]>
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */

#include "draganddrophelper.h"

#include <KIO/DropJob>
#include <KJobWidgets>

#include <QDBusConnection>
#include <QDBusMessage>
#include <QDropEvent>
#include <QMimeData>

QHash<QUrl, bool> DragAndDropHelper::m_urlListMatchesUrlCache;

bool DragAndDropHelper::urlListMatchesUrl(const QList<QUrl>& urls, const QUrl& destUrl)
{
    auto iteratorResult = m_urlListMatchesUrlCache.constFind(destUrl);
    if (iteratorResult != m_urlListMatchesUrlCache.constEnd()) {
        return *iteratorResult;
    }

    const bool destUrlMatches =
        std::find_if(urls.constBegin(), urls.constEnd(), [destUrl](const QUrl& url) {
            return url.matches(destUrl, QUrl::StripTrailingSlash);
        }) != urls.constEnd();

    return *m_urlListMatchesUrlCache.insert(destUrl, destUrlMatches);
}

KIO::DropJob* DragAndDropHelper::dropUrls(const QUrl& destUrl, QDropEvent* event, QWidget* window)
{
    const QMimeData* mimeData = event->mimeData();
    if (isArkDndMimeType(mimeData)) {
        const QString remoteDBusClient = mimeData->data(arkDndServiceMimeType());
        const QString remoteDBusPath = mimeData->data(arkDndPathMimeType());

        QDBusMessage message = QDBusMessage::createMethodCall(remoteDBusClient, remoteDBusPath,
                                                              QStringLiteral("org.kde.ark.DndExtract"), QStringLiteral("extractSelectedFilesTo"));
        message.setArguments({destUrl.toDisplayString(QUrl::PreferLocalFile)});
        QDBusConnection::sessionBus().call(message);
    } else {
        if (urlListMatchesUrl(event->mimeData()->urls(), destUrl)) {
            return nullptr;
        }

        // Drop into a directory or a desktop-file
        KIO::DropJob *job = KIO::drop(event, destUrl);
        KJobWidgets::setWindow(job, window);
        return job;
    }

    return nullptr;
}

void DragAndDropHelper::clearUrlListMatchesUrlCache()
{
    DragAndDropHelper::m_urlListMatchesUrlCache.clear();
}

bool DragAndDropHelper::isArkDndMimeType(const QMimeData *mimeData)
{
    return mimeData->hasFormat(arkDndServiceMimeType())
            && mimeData->hasFormat(arkDndPathMimeType());
}