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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "blimp/client/core/context/blimp_client_context_impl.h" | |
6 | |
7 #include <utility> | |
8 | |
9 #include "base/bind.h" | |
10 #include "base/command_line.h" | |
11 #include "base/memory/ptr_util.h" | |
12 #include "base/message_loop/message_loop.h" | |
13 #include "base/metrics/histogram_macros.h" | |
14 #include "base/threading/sequenced_task_runner_handle.h" | |
15 #include "blimp/client/core/compositor/blimp_compositor_dependencies.h" | |
16 #include "blimp/client/core/compositor/blob_channel_feature.h" | |
17 #include "blimp/client/core/contents/blimp_contents_impl.h" | |
18 #include "blimp/client/core/contents/blimp_contents_manager.h" | |
19 #include "blimp/client/core/contents/ime_feature.h" | |
20 #include "blimp/client/core/contents/navigation_feature.h" | |
21 #include "blimp/client/core/contents/tab_control_feature.h" | |
22 #include "blimp/client/core/feedback/blimp_feedback_data.h" | |
23 #include "blimp/client/core/geolocation/geolocation_feature.h" | |
24 #include "blimp/client/core/render_widget/render_widget_feature.h" | |
25 #include "blimp/client/core/session/cross_thread_network_event_observer.h" | |
26 #include "blimp/client/core/settings/settings.h" | |
27 #include "blimp/client/core/settings/settings_feature.h" | |
28 #include "blimp/client/core/switches/blimp_client_switches.h" | |
29 #include "blimp/client/public/blimp_client_context_delegate.h" | |
30 #include "blimp/client/public/compositor/compositor_dependencies.h" | |
31 #include "blimp/net/thread_pipe_manager.h" | |
32 #include "components/prefs/pref_service.h" | |
33 #include "device/geolocation/geolocation_delegate.h" | |
34 #include "device/geolocation/location_arbitrator.h" | |
35 #include "ui/gfx/native_widget_types.h" | |
36 | |
37 #if defined(OS_ANDROID) | |
38 #include "blimp/client/core/context/android/blimp_client_context_impl_android.h" | |
39 #include "blimp/client/core/settings/android/settings_android.h" | |
40 #endif // OS_ANDROID | |
41 | |
42 namespace blimp { | |
43 namespace client { | |
44 | |
45 namespace { | |
46 | |
47 const char kDefaultAssignerUrl[] = | |
48 "https://blimp-pa.googleapis.com/v1/assignment"; | |
49 | |
50 void DropConnectionOnIOThread(ClientNetworkComponents* net_components) { | |
51 net_components->GetBrowserConnectionHandler()->DropCurrentConnection(); | |
52 } | |
53 | |
54 } // namespace | |
55 | |
56 // This function is declared in //blimp/client/public/blimp_client_context.h, | |
57 // and either this function or the one in | |
58 // //blimp/client/core/dummy_blimp_client_context.cc should be linked in to | |
59 // any binary using BlimpClientContext::Create. | |
60 // static | |
61 BlimpClientContext* BlimpClientContext::Create( | |
62 scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner, | |
63 scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner, | |
64 std::unique_ptr<CompositorDependencies> compositor_dependencies, | |
65 PrefService* local_state) { | |
66 #if defined(OS_ANDROID) | |
67 auto settings = base::MakeUnique<SettingsAndroid>(local_state); | |
68 return new BlimpClientContextImplAndroid( | |
69 io_thread_task_runner, file_thread_task_runner, | |
70 std::move(compositor_dependencies), std::move(settings)); | |
71 #else | |
72 auto settings = base::MakeUnique<Settings>(local_state); | |
73 return new BlimpClientContextImpl( | |
74 io_thread_task_runner, file_thread_task_runner, | |
75 std::move(compositor_dependencies), std::move(settings), nullptr); | |
76 #endif // defined(OS_ANDROID) | |
77 } | |
78 | |
79 // This function is declared in //blimp/client/public/blimp_client_context.h | |
80 // and either this function or the one in | |
81 // //blimp/client/core/dummy_blimp_client_context.cc should be linked in to | |
82 // any binary using BlimpClientContext::RegisterPrefs. | |
83 // static | |
84 void BlimpClientContext::RegisterPrefs(PrefRegistrySimple* registry) { | |
85 Settings::RegisterPrefs(registry); | |
86 } | |
87 | |
88 // This function is declared in //blimp/client/public/blimp_client_context.h | |
89 // and either this function or the one in | |
90 // //blimp/client/core/dummy_blimp_client_context.cc should be linked in to | |
91 // any binary using BlimpClientContext::ApplyBlimpSwitches. | |
92 // static | |
93 void BlimpClientContext::ApplyBlimpSwitches(CommandLinePrefStore* store) { | |
94 Settings::ApplyBlimpSwitches(store); | |
95 } | |
96 | |
97 BlimpClientContextImpl::BlimpClientContextImpl( | |
98 scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner, | |
99 scoped_refptr<base::SingleThreadTaskRunner> file_thread_task_runner, | |
100 std::unique_ptr<CompositorDependencies> compositor_dependencies, | |
101 std::unique_ptr<Settings> settings, | |
102 std::unique_ptr<PipeManager> pipe_manager) | |
103 : BlimpClientContext(), | |
104 io_thread_task_runner_(io_thread_task_runner), | |
105 file_thread_task_runner_(file_thread_task_runner), | |
106 blimp_compositor_dependencies_( | |
107 base::MakeUnique<BlimpCompositorDependencies>( | |
108 std::move(compositor_dependencies))), | |
109 settings_(std::move(settings)), | |
110 blob_channel_feature_(new BlobChannelFeature(this)), | |
111 geolocation_feature_(base::MakeUnique<GeolocationFeature>( | |
112 base::MakeUnique<device::LocationArbitrator>( | |
113 base::MakeUnique<device::GeolocationDelegate>()))), | |
114 ime_feature_(new ImeFeature), | |
115 navigation_feature_(new NavigationFeature), | |
116 render_widget_feature_(new RenderWidgetFeature), | |
117 settings_feature_(base::MakeUnique<SettingsFeature>(settings_.get())), | |
118 tab_control_feature_(new TabControlFeature), | |
119 blimp_contents_manager_( | |
120 new BlimpContentsManager(blimp_compositor_dependencies_.get(), | |
121 ime_feature_.get(), | |
122 navigation_feature_.get(), | |
123 render_widget_feature_.get(), | |
124 tab_control_feature_.get())), | |
125 pipe_manager_(std::move(pipe_manager)), | |
126 weak_factory_(this) { | |
127 net_components_.reset(new ClientNetworkComponents( | |
128 base::MakeUnique<CrossThreadNetworkEventObserver>( | |
129 connection_status_.GetWeakPtr(), | |
130 base::SequencedTaskRunnerHandle::Get()))); | |
131 | |
132 // The |pipe_manager_| must be set up correctly before features are | |
133 // registered. | |
134 if (!pipe_manager_) { | |
135 pipe_manager_ = base::MakeUnique<ThreadPipeManager>( | |
136 io_thread_task_runner_, net_components_->GetBrowserConnectionHandler()); | |
137 } | |
138 | |
139 RegisterFeatures(); | |
140 settings_feature_->PushSettings(); | |
141 | |
142 connection_status_.AddObserver(this); | |
143 | |
144 // Initialize must only be posted after the features have been | |
145 // registered. | |
146 io_thread_task_runner_->PostTask( | |
147 FROM_HERE, base::Bind(&ClientNetworkComponents::Initialize, | |
148 base::Unretained(net_components_.get()))); | |
149 | |
150 UMA_HISTOGRAM_BOOLEAN("Blimp.Supported", true); | |
151 } | |
152 | |
153 BlimpClientContextImpl::~BlimpClientContextImpl() { | |
154 io_thread_task_runner_->DeleteSoon(FROM_HERE, net_components_.release()); | |
155 connection_status_.RemoveObserver(this); | |
156 } | |
157 | |
158 void BlimpClientContextImpl::SetDelegate(BlimpClientContextDelegate* delegate) { | |
159 DCHECK(!delegate_ || !delegate); | |
160 delegate_ = delegate; | |
161 | |
162 // TODO(xingliu): Pass the IdentityProvider needed by |assignment_fetcher_| | |
163 // in the constructor, see crbug/661848. | |
164 if (delegate_) { | |
165 assignment_fetcher_ = base::MakeUnique<AssignmentFetcher>( | |
166 io_thread_task_runner_, file_thread_task_runner_, | |
167 delegate_->CreateIdentityProvider(), GetAssignerURL(), | |
168 base::Bind(&BlimpClientContextImpl::OnAssignmentReceived, | |
169 weak_factory_.GetWeakPtr()), | |
170 base::Bind(&BlimpClientContextDelegate::OnAuthenticationError, | |
171 base::Unretained(delegate_))); | |
172 } | |
173 } | |
174 | |
175 std::unique_ptr<BlimpContents> BlimpClientContextImpl::CreateBlimpContents( | |
176 gfx::NativeWindow window) { | |
177 std::unique_ptr<BlimpContents> blimp_contents = | |
178 blimp_contents_manager_->CreateBlimpContents(window); | |
179 if (blimp_contents) | |
180 delegate_->AttachBlimpContentsHelpers(blimp_contents.get()); | |
181 return blimp_contents; | |
182 } | |
183 | |
184 void BlimpClientContextImpl::Connect() { | |
185 DCHECK(delegate_); | |
186 DCHECK(assignment_fetcher_); | |
187 assignment_fetcher_->Fetch(); | |
188 } | |
189 | |
190 void BlimpClientContextImpl::ConnectWithAssignment( | |
191 const Assignment& assignment) { | |
192 io_thread_task_runner_->PostTask( | |
193 FROM_HERE, | |
194 base::Bind(&ClientNetworkComponents::ConnectWithAssignment, | |
195 base::Unretained(net_components_.get()), assignment)); | |
196 } | |
197 | |
198 std::unordered_map<std::string, std::string> | |
199 BlimpClientContextImpl::CreateFeedbackData() { | |
200 IdentitySource* identity_source = GetIdentitySource(); | |
201 DCHECK(identity_source); | |
202 return CreateBlimpFeedbackData(blimp_contents_manager_.get(), | |
203 identity_source->GetActiveUsername()); | |
204 } | |
205 | |
206 IdentitySource* BlimpClientContextImpl::GetIdentitySource() { | |
207 DCHECK(delegate_); | |
208 DCHECK(assignment_fetcher_); | |
209 return assignment_fetcher_->GetIdentitySource(); | |
210 } | |
211 | |
212 ConnectionStatus* BlimpClientContextImpl::GetConnectionStatus() { | |
213 return &connection_status_; | |
214 } | |
215 | |
216 GURL BlimpClientContextImpl::GetAssignerURL() { | |
217 return GURL(kDefaultAssignerUrl); | |
218 } | |
219 | |
220 void BlimpClientContextImpl::OnAssignmentReceived( | |
221 AssignmentRequestResult result, | |
222 const Assignment& assignment) { | |
223 VLOG(1) << "Assignment result: " << result; | |
224 | |
225 // Cache engine info. | |
226 connection_status_.OnAssignmentResult(result, assignment); | |
227 | |
228 // Inform the embedder of the assignment result. | |
229 if (delegate_) { | |
230 delegate_->OnAssignmentConnectionAttempted(result, assignment); | |
231 } | |
232 | |
233 if (result != ASSIGNMENT_REQUEST_RESULT_OK) { | |
234 LOG(ERROR) << "Assignment failed, reason: " << result; | |
235 return; | |
236 } | |
237 | |
238 ConnectWithAssignment(assignment); | |
239 } | |
240 | |
241 void BlimpClientContextImpl::RegisterFeatures() { | |
242 // Register features' message senders and receivers. | |
243 pipe_manager_->RegisterFeature(BlimpMessage::kBlobChannel, | |
244 blob_channel_feature_.get()); | |
245 geolocation_feature_->set_outgoing_message_processor( | |
246 pipe_manager_->RegisterFeature(BlimpMessage::kGeolocation, | |
247 geolocation_feature_.get())); | |
248 ime_feature_->set_outgoing_message_processor( | |
249 pipe_manager_->RegisterFeature(BlimpMessage::kIme, | |
250 ime_feature_.get())); | |
251 navigation_feature_->set_outgoing_message_processor( | |
252 pipe_manager_->RegisterFeature(BlimpMessage::kNavigation, | |
253 navigation_feature_.get())); | |
254 render_widget_feature_->set_outgoing_input_message_processor( | |
255 pipe_manager_->RegisterFeature(BlimpMessage::kInput, | |
256 render_widget_feature_.get())); | |
257 render_widget_feature_->set_outgoing_compositor_message_processor( | |
258 pipe_manager_->RegisterFeature(BlimpMessage::kCompositor, | |
259 render_widget_feature_.get())); | |
260 pipe_manager_->RegisterFeature(BlimpMessage::kRenderWidget, | |
261 render_widget_feature_.get()); | |
262 settings_feature_->set_outgoing_message_processor( | |
263 pipe_manager_->RegisterFeature(BlimpMessage::kSettings, | |
264 settings_feature_.get())); | |
265 tab_control_feature_->set_outgoing_message_processor( | |
266 pipe_manager_->RegisterFeature(BlimpMessage::kTabControl, | |
267 tab_control_feature_.get())); | |
268 } | |
269 | |
270 void BlimpClientContextImpl::DropConnection() { | |
271 io_thread_task_runner_->PostTask( | |
272 FROM_HERE, base::Bind(&DropConnectionOnIOThread, net_components_.get())); | |
273 } | |
274 | |
275 void BlimpClientContextImpl::OnImageDecodeError() { | |
276 // Currently we just drop the connection on image decoding error. | |
277 DropConnection(); | |
278 } | |
279 | |
280 void BlimpClientContextImpl::OnConnected() { | |
281 if (delegate_) { | |
282 delegate_->OnConnected(); | |
283 } | |
284 } | |
285 | |
286 void BlimpClientContextImpl::OnDisconnected(int result) { | |
287 if (delegate_) { | |
288 if (result >= 0) { | |
289 delegate_->OnEngineDisconnected(result); | |
290 } else { | |
291 delegate_->OnNetworkDisconnected(result); | |
292 } | |
293 } | |
294 } | |
295 | |
296 } // namespace client | |
297 } // namespace blimp | |
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