Add Trash (empty, isEmpty, emptinessChanged)

Summary: Add `Trash` class to handle all trash operations.

Reviewers: elvisangelaccio, markg, ngraham

Reviewed By: elvisangelaccio, markg, ngraham

Subscribers: ngraham, markg, rkflx, elvisangelaccio, #dolphin

Differential Revision: https://phabricator.kde.org/D11012

1 files changed, 54 insertions, 0 deletions

diff --git a/src/trash/dolphintrash.h b/src/trash/dolphintrash.h
new file mode 100644
index 000000000..76da4a5e0
--- /dev/null
+++ b/src/trash/dolphintrash.h
@@ -0,0 +1,54 @@
+/***************************************************************************
+ *   Copyright (C) 2012 by Peter Penz <[email protected]>             *
+ *   Copyright (C) 2018 by Roman Inflianskas <[email protected]>           *
+ *                                                                         *
+ *   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            *
+ ***************************************************************************/
+
+#ifndef DOLPHINTRASH_H
+#define DOLPHINTRASH_H
+
+#include <QWidget>
+
+#include <KIO/EmptyTrashJob>
+#include <KIOWidgets/KDirLister>
+
+class Trash: public QObject
+{
+    Q_OBJECT
+
+public:
+    // delete copy and move constructors and assign operators
+    Trash(Trash const&) = delete;
+    Trash(Trash&&) = delete;
+    Trash& operator=(Trash const&) = delete;
+    Trash& operator=(Trash &&) = delete;
+
+    static Trash& instance();
+    static KIO::Job* empty(QWidget *window);
+    static bool isEmpty();
+
+signals:
+    void emptinessChanged(bool isEmpty);
+
+private:
+    KDirLister *m_trashDirLister;
+
+    Trash();
+    ~Trash();
+};
+
+#endif // DOLPHINTRASH_H