-/***************************************************************************
- * Copyright (C) 2007 by Peter Penz <peter.penz@gmx.at> *
- * Copyright (C) 2007 by David Faure <faure@kde.org> *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2007-2011 Peter Penz <peter.penz19@gmail.com>
+ * SPDX-FileCopyrightText: 2007 David Faure <faure@kde.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
#ifndef DRAGANDDROPHELPER_H
#define DRAGANDDROPHELPER_H
-#include "libdolphin_export.h"
-#include <QObject>
-#include <QPixmap>
+#include "dolphin_export.h"
+
+#include <QList>
+#include <QString>
+#include <QUrl>
-class DolphinViewController;
-class KFileItem;
-class KUrl;
class QDropEvent;
-class QAbstractItemView;
class QMimeData;
class QWidget;
-
-/**
- * @brief Helper class for having a common drag and drop behavior.
- *
- * The class is used by DolphinIconsView, DolphinDetailsView,
- * DolphinColumnView and PanelTreeView to have a consistent
- * drag and drop behavior between all views.
- */
-class LIBDOLPHINPRIVATE_EXPORT DragAndDropHelper : public QObject
+namespace KIO
{
- Q_OBJECT
+class DropJob;
+}
+class DOLPHIN_EXPORT DragAndDropHelper
+{
public:
- static DragAndDropHelper& instance();
-
/**
- * Returns true, if Dolphin supports the dragging of
- * the given mime data.
+ * Handles the dropping of URLs to the given destination. A context menu
+ * with the options 'Move Here', 'Copy Here', 'Link Here' and 'Cancel' is
+ * offered to the user. The drag destination must represent a directory or
+ * a desktop-file, otherwise the dropping gets ignored.
+ *
+ * @param destUrl URL of the item destination. Is used only if destItem::isNull()
+ * is true.
+ * @param event Drop event.
+ * @param window Widget where the drop happened, will be used as parent of the drop menu.
+ * @return KIO::DropJob pointer or null in case the destUrl is contained
+ * in the mimeData url list.
*/
- bool isMimeDataSupported(const QMimeData* mimeData) const;
+ static KIO::DropJob *dropUrls(const QUrl &destUrl, QDropEvent *event, QWidget *window);
/**
- * Creates a drag object for the view \a itemView for all selected items.
+ * @return True if destUrl is contained in the urls parameter.
*/
- void startDrag(QAbstractItemView* itemView,
- Qt::DropActions supportedActions,
- DolphinViewController* dolphinViewController = 0);
+ static bool urlListMatchesUrl(const QList<QUrl> &urls, const QUrl &destUrl);
/**
- * Returns true if and only if the view \a itemView was the last view to
- * be passed to startDrag(...), and that drag is still in progress.
+ * @return True if mimeData contains Ark's drag and drop mime types.
*/
- bool isDragSource(QAbstractItemView* itemView) const;
+ static bool isArkDndMimeType(const QMimeData *mimeData);
+ static QString arkDndServiceMimeType()
+ {
+ return QStringLiteral("application/x-kde-ark-dndextract-service");
+ }
+ static QString arkDndPathMimeType()
+ {
+ return QStringLiteral("application/x-kde-ark-dndextract-path");
+ }
/**
- * Handles the dropping of URLs to the given
- * destination. A context menu with the options
- * 'Move Here', 'Copy Here', 'Link Here' and
- * 'Cancel' is offered to the user.
- * @param destItem Item of the destination (can be null, see KFileItem::isNull()).
- * @param destPath Path of the destination.
- * @param event Drop event.
- * @param widget Source widget where the dragging has been started.
+ * clear the internal cache.
*/
- void dropUrls(const KFileItem& destItem,
- const KUrl& destPath,
- QDropEvent* event,
- QWidget* widget);
-signals:
- void errorMessage(const QString& msg);
+ static void clearUrlListMatchesUrlCache();
private:
- DragAndDropHelper();
-
/**
- * Creates a pixmap the contains the all icons of the items
- * that are dragged.
+ * Stores the results of the expensive checks made in urlListMatchesUrl.
*/
- QPixmap createDragPixmap(QAbstractItemView* itemView) const;
-
- // The last view passed in startDrag(...), or 0 if
- // no startDrag(...) initiated drag is in progress.
- QAbstractItemView *m_dragSource;
-
- friend class DragAndDropHelperSingleton;
+ static QHash<QUrl, bool> m_urlListMatchesUrlCache;
};
#endif
projects / dolphin.git / blobdiff