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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#include <WindowServer/Clipboard.h>
28
29namespace WindowServer {
30
31Clipboard& Clipboard::the()
32{
33 static Clipboard* s_the;
34 if (!s_the)
35 s_the = new Clipboard;
36 return *s_the;
37}
38
39Clipboard::Clipboard()
40{
41}
42
43Clipboard::~Clipboard()
44{
45}
46
47const u8* Clipboard::data() const
48{
49 if (!m_shared_buffer)
50 return nullptr;
51 return (const u8*)m_shared_buffer->data();
52}
53
54int Clipboard::size() const
55{
56 if (!m_shared_buffer)
57 return 0;
58 return m_contents_size;
59}
60
61void Clipboard::clear()
62{
63 m_shared_buffer = nullptr;
64 m_contents_size = 0;
65}
66
67void Clipboard::set_data(NonnullRefPtr<SharedBuffer>&& data, int contents_size, const String& data_type)
68{
69 dbg() << "Clipboard::set_data <- [" << data_type << "] " << data->data() << " (" << contents_size << " bytes)";
70 m_shared_buffer = move(data);
71 m_contents_size = contents_size;
72 m_data_type = data_type;
73
74 if (on_content_change)
75 on_content_change();
76}
77
78}