forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
clipboard_x11.cc
117 lines (90 loc) · 3.43 KB
/
clipboard_x11.cc
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
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/host/clipboard.h"
#include "base/memory/ptr_util.h"
#include "base/bind.h"
#include "base/files/file_descriptor_watcher_posix.h"
#include "base/logging.h"
#include "base/macros.h"
#include "remoting/host/linux/x_server_clipboard.h"
#include "remoting/proto/event.pb.h"
#include "remoting/protocol/clipboard_stub.h"
#include "ui/gfx/x/connection.h"
#include "ui/gfx/x/xproto_types.h"
namespace remoting {
// This code is expected to be called on the desktop thread only.
class ClipboardX11 : public Clipboard, public x11::Connection::Delegate {
public:
ClipboardX11();
~ClipboardX11() override;
// Clipboard interface.
void Start(
std::unique_ptr<protocol::ClipboardStub> client_clipboard) override;
void InjectClipboardEvent(const protocol::ClipboardEvent& event) override;
private:
void OnClipboardChanged(const std::string& mime_type,
const std::string& data);
void PumpXEvents();
// x11::Connection::Delegate:
bool ShouldContinueStream() const override;
void DispatchXEvent(x11::Event* event) override;
std::unique_ptr<protocol::ClipboardStub> client_clipboard_;
// Underlying X11 clipboard implementation.
XServerClipboard x_server_clipboard_;
// Connection to the X server, used by |x_server_clipboard_|. This is created
// and owned by this class.
std::unique_ptr<x11::Connection> connection_;
// Watcher used to handle X11 events from |display_|.
std::unique_ptr<base::FileDescriptorWatcher::Controller>
x_connection_watch_controller_;
DISALLOW_COPY_AND_ASSIGN(ClipboardX11);
};
ClipboardX11::ClipboardX11() = default;
ClipboardX11::~ClipboardX11() {
x_connection_watch_controller_ = nullptr;
}
void ClipboardX11::Start(
std::unique_ptr<protocol::ClipboardStub> client_clipboard) {
// TODO(lambroslambrou): Share the X connection with InputInjector.
DCHECK(!connection_);
connection_ = std::make_unique<x11::Connection>();
if (!connection_->Ready()) {
LOG(ERROR) << "Couldn't open X display";
return;
}
client_clipboard_.swap(client_clipboard);
x_server_clipboard_.Init(
connection_.get(), base::BindRepeating(&ClipboardX11::OnClipboardChanged,
base::Unretained(this)));
x_connection_watch_controller_ = base::FileDescriptorWatcher::WatchReadable(
connection_->GetFd(),
base::BindRepeating(&ClipboardX11::PumpXEvents, base::Unretained(this)));
PumpXEvents();
}
void ClipboardX11::InjectClipboardEvent(const protocol::ClipboardEvent& event) {
x_server_clipboard_.SetClipboard(event.mime_type(), event.data());
}
void ClipboardX11::OnClipboardChanged(const std::string& mime_type,
const std::string& data) {
protocol::ClipboardEvent event;
event.set_mime_type(mime_type);
event.set_data(data);
if (client_clipboard_.get()) {
client_clipboard_->InjectClipboardEvent(event);
}
}
void ClipboardX11::PumpXEvents() {
DCHECK(connection_->Ready());
connection_->Dispatch(this);
}
bool ClipboardX11::ShouldContinueStream() const {
return true;
}
void ClipboardX11::DispatchXEvent(x11::Event* event) {
x_server_clipboard_.ProcessXEvent(*event);
}
std::unique_ptr<Clipboard> Clipboard::Create() {
return base::WrapUnique(new ClipboardX11());
}
} // namespace remoting