1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/Badge.h>
#include <AK/SharedBuffer.h>
#include <Clipboard/ClipboardClientEndpoint.h>
#include <Clipboard/ClipboardServerEndpoint.h>
#include <LibGUI/Clipboard.h>
#include <LibIPC/ServerConnection.h>
namespace GUI {
class ClipboardServerConnection : public IPC::ServerConnection<ClipboardClientEndpoint, ClipboardServerEndpoint>
, public ClipboardClientEndpoint {
C_OBJECT(ClipboardServerConnection);
public:
virtual void handshake() override
{
auto response = send_sync<Messages::ClipboardServer::Greet>();
set_my_client_id(response->client_id());
}
private:
ClipboardServerConnection()
: IPC::ServerConnection<ClipboardClientEndpoint, ClipboardServerEndpoint>(*this, "/tmp/portal/clipboard")
{
}
virtual void handle(const Messages::ClipboardClient::ClipboardDataChanged&) override;
};
Clipboard& Clipboard::the()
{
static Clipboard* s_the;
if (!s_the)
s_the = new Clipboard;
return *s_the;
}
ClipboardServerConnection* s_connection;
static ClipboardServerConnection& connection()
{
return *s_connection;
}
void Clipboard::initialize(Badge<Application>)
{
s_connection = &ClipboardServerConnection::construct().leak_ref();
}
Clipboard::Clipboard()
{
}
Clipboard::DataAndType Clipboard::data_and_type() const
{
auto response = connection().send_sync<Messages::ClipboardServer::GetClipboardData>();
if (response->shbuf_id() < 0)
return {};
auto shared_buffer = SharedBuffer::create_from_shbuf_id(response->shbuf_id());
if (!shared_buffer) {
dbgprintf("GUI::Clipboard::data() failed to attach to the shared buffer\n");
return {};
}
if (response->data_size() > shared_buffer->size()) {
dbgprintf("GUI::Clipboard::data() clipping contents size is greater than shared buffer size\n");
return {};
}
auto data = String((const char*)shared_buffer->data(), response->data_size());
auto type = response->mime_type();
return { data, type };
}
void Clipboard::set_data(const StringView& data, const String& type)
{
auto shared_buffer = SharedBuffer::create_with_size(data.length() + 1);
if (!shared_buffer) {
dbgprintf("GUI::Clipboard::set_data() failed to create a shared buffer\n");
return;
}
if (!data.is_empty())
memcpy(shared_buffer->data(), data.characters_without_null_termination(), data.length() + 1);
else
((u8*)shared_buffer->data())[0] = '\0';
shared_buffer->seal();
shared_buffer->share_with(connection().server_pid());
connection().send_sync<Messages::ClipboardServer::SetClipboardData>(shared_buffer->shbuf_id(), data.length(), type);
}
void ClipboardServerConnection::handle(const Messages::ClipboardClient::ClipboardDataChanged& message)
{
auto& clipboard = Clipboard::the();
if (clipboard.on_change)
clipboard.on_change(message.mime_type());
}
}
|
