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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
// 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/client/chromoting_client.h"
#include "base/bind.h"
#include "remoting/base/capabilities.h"
#include "remoting/client/audio_decode_scheduler.h"
#include "remoting/client/audio_player.h"
#include "remoting/client/client_context.h"
#include "remoting/client/client_user_interface.h"
#include "remoting/client/video_renderer.h"
#include "remoting/proto/audio.pb.h"
#include "remoting/proto/video.pb.h"
#include "remoting/protocol/authentication_method.h"
#include "remoting/protocol/connection_to_host.h"
#include "remoting/protocol/host_stub.h"
#include "remoting/protocol/negotiating_client_authenticator.h"
#include "remoting/protocol/session_config.h"
#include "remoting/protocol/transport.h"
namespace remoting {
using protocol::AuthenticationMethod;
ChromotingClient::ChromotingClient(
const ClientConfig& config,
ClientContext* client_context,
protocol::ConnectionToHost* connection,
ClientUserInterface* user_interface,
VideoRenderer* video_renderer,
scoped_ptr<AudioPlayer> audio_player)
: config_(config),
task_runner_(client_context->main_task_runner()),
connection_(connection),
user_interface_(user_interface),
video_renderer_(video_renderer),
host_capabilities_received_(false),
weak_factory_(this) {
if (audio_player) {
audio_decode_scheduler_.reset(new AudioDecodeScheduler(
client_context->main_task_runner(),
client_context->audio_decode_task_runner(),
audio_player.Pass()));
}
}
ChromotingClient::~ChromotingClient() {
}
void ChromotingClient::Start(
SignalStrategy* signal_strategy,
scoped_ptr<protocol::TransportFactory> transport_factory) {
DCHECK(task_runner_->BelongsToCurrentThread());
scoped_ptr<protocol::Authenticator> authenticator(
new protocol::NegotiatingClientAuthenticator(
config_.client_pairing_id,
config_.client_paired_secret,
config_.authentication_tag,
config_.fetch_secret_callback,
user_interface_->GetTokenFetcher(config_.host_public_key),
config_.authentication_methods));
// Create a WeakPtr to ourself for to use for all posted tasks.
weak_ptr_ = weak_factory_.GetWeakPtr();
connection_->Connect(signal_strategy,
config_.host_jid,
config_.host_public_key,
transport_factory.Pass(),
authenticator.Pass(),
this,
this,
this,
video_renderer_,
audio_decode_scheduler_.get());
}
void ChromotingClient::SetCapabilities(
const protocol::Capabilities& capabilities) {
DCHECK(task_runner_->BelongsToCurrentThread());
// Only accept the first |protocol::Capabilities| message.
if (host_capabilities_received_) {
LOG(WARNING) << "protocol::Capabilities has been received already.";
return;
}
host_capabilities_received_ = true;
if (capabilities.has_capabilities())
host_capabilities_ = capabilities.capabilities();
VLOG(1) << "Host capabilities: " << host_capabilities_;
// Calculate the set of capabilities enabled by both client and host and pass
// it to the webapp.
user_interface_->SetCapabilities(
IntersectCapabilities(config_.capabilities, host_capabilities_));
}
void ChromotingClient::SetPairingResponse(
const protocol::PairingResponse& pairing_response) {
DCHECK(task_runner_->BelongsToCurrentThread());
user_interface_->SetPairingResponse(pairing_response);
}
void ChromotingClient::DeliverHostMessage(
const protocol::ExtensionMessage& message) {
DCHECK(task_runner_->BelongsToCurrentThread());
user_interface_->DeliverHostMessage(message);
}
void ChromotingClient::InjectClipboardEvent(
const protocol::ClipboardEvent& event) {
DCHECK(task_runner_->BelongsToCurrentThread());
user_interface_->GetClipboardStub()->InjectClipboardEvent(event);
}
void ChromotingClient::SetCursorShape(
const protocol::CursorShapeInfo& cursor_shape) {
DCHECK(task_runner_->BelongsToCurrentThread());
user_interface_->GetCursorShapeStub()->SetCursorShape(cursor_shape);
}
void ChromotingClient::OnConnectionState(
protocol::ConnectionToHost::State state,
protocol::ErrorCode error) {
DCHECK(task_runner_->BelongsToCurrentThread());
VLOG(1) << "ChromotingClient::OnConnectionState(" << state << ")";
if (state == protocol::ConnectionToHost::AUTHENTICATED) {
OnAuthenticated();
} else if (state == protocol::ConnectionToHost::CONNECTED) {
OnChannelsConnected();
}
user_interface_->OnConnectionState(state, error);
}
void ChromotingClient::OnConnectionReady(bool ready) {
VLOG(1) << "ChromotingClient::OnConnectionReady(" << ready << ")";
user_interface_->OnConnectionReady(ready);
}
void ChromotingClient::OnRouteChanged(const std::string& channel_name,
const protocol::TransportRoute& route) {
VLOG(0) << "Using " << protocol::TransportRoute::GetTypeString(route.type)
<< " connection for " << channel_name << " channel";
user_interface_->OnRouteChanged(channel_name, route);
}
void ChromotingClient::OnAuthenticated() {
DCHECK(task_runner_->BelongsToCurrentThread());
// Initialize the decoder.
video_renderer_->Initialize(connection_->config());
if (connection_->config().is_audio_enabled())
audio_decode_scheduler_->Initialize(connection_->config());
// Do not negotiate capabilities with the host if the host does not support
// them.
if (!connection_->config().SupportsCapabilities()) {
VLOG(1) << "The host does not support any capabilities.";
host_capabilities_received_ = true;
user_interface_->SetCapabilities(host_capabilities_);
}
}
void ChromotingClient::OnChannelsConnected() {
DCHECK(task_runner_->BelongsToCurrentThread());
// Negotiate capabilities with the host.
if (connection_->config().SupportsCapabilities()) {
VLOG(1) << "Client capabilities: " << config_.capabilities;
protocol::Capabilities capabilities;
capabilities.set_capabilities(config_.capabilities);
connection_->host_stub()->SetCapabilities(capabilities);
}
}
} // namespace remoting
|
