jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#pragma once
28
29#include <AK/OwnPtr.h>
30#include <LibCore/Object.h>
31#include <LibGUI/Forward.h>
32#include <LibGfx/Forward.h>
33
34namespace GUI {
35
36class DragOperation : public Core::Object {
37 C_OBJECT(DragOperation)
38public:
39 enum class Outcome {
40 None,
41 Accepted,
42 Cancelled,
43 };
44
45 virtual ~DragOperation() override;
46
47 void set_text(const String& text) { m_text = text; }
48 void set_bitmap(const Gfx::Bitmap* bitmap) { m_bitmap = bitmap; }
49 void set_data(const String& data_type, const String& data)
50 {
51 m_data_type = data_type;
52 m_data = data;
53 }
54
55 Outcome exec();
56 Outcome outcome() const { return m_outcome; }
57
58 static void notify_accepted(Badge<WindowServerConnection>);
59 static void notify_cancelled(Badge<WindowServerConnection>);
60
61protected:
62 explicit DragOperation(Core::Object* parent = nullptr);
63
64private:
65 void done(Outcome);
66
67 OwnPtr<Core::EventLoop> m_event_loop;
68 Outcome m_outcome { Outcome::None };
69 String m_text;
70 String m_data_type;
71 String m_data;
72 RefPtr<Gfx::Bitmap> m_bitmap;
73};
74
75}