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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "content/renderer/presentation/presentation_dispatcher.h" | 5 #include "content/renderer/presentation/presentation_dispatcher.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "content/common/presentation/presentation_service.mojom.h" | 8 #include "content/common/presentation/presentation_service.mojom.h" |
9 #include "content/public/common/presentation_constants.h" | |
9 #include "content/public/common/service_registry.h" | 10 #include "content/public/common/service_registry.h" |
10 #include "content/public/renderer/render_frame.h" | 11 #include "content/public/renderer/render_frame.h" |
11 #include "content/renderer/presentation/presentation_session_client.h" | 12 #include "content/renderer/presentation/presentation_session_client.h" |
12 #include "third_party/WebKit/public/platform/WebString.h" | 13 #include "third_party/WebKit/public/platform/WebString.h" |
13 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentatio nController.h" | 14 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentatio nController.h" |
14 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentatio nError.h" | 15 #include "third_party/WebKit/public/platform/modules/presentation/WebPresentatio nError.h" |
15 #include "third_party/WebKit/public/web/WebDocument.h" | 16 #include "third_party/WebKit/public/web/WebDocument.h" |
16 #include "third_party/WebKit/public/web/WebLocalFrame.h" | 17 #include "third_party/WebKit/public/web/WebLocalFrame.h" |
17 #include "url/gurl.h" | 18 #include "url/gurl.h" |
18 | 19 |
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125 // OnSessionCreated() is called. |callback| needs to be alive and also needs | 126 // OnSessionCreated() is called. |callback| needs to be alive and also needs |
126 // to be destroyed so we transfer its ownership to the mojo callback. | 127 // to be destroyed so we transfer its ownership to the mojo callback. |
127 presentation_service_->JoinSession( | 128 presentation_service_->JoinSession( |
128 presentationUrl.utf8(), | 129 presentationUrl.utf8(), |
129 presentationId.utf8(), | 130 presentationId.utf8(), |
130 base::Bind(&PresentationDispatcher::OnSessionCreated, | 131 base::Bind(&PresentationDispatcher::OnSessionCreated, |
131 base::Unretained(this), | 132 base::Unretained(this), |
132 base::Owned(callback))); | 133 base::Owned(callback))); |
133 } | 134 } |
134 | 135 |
136 void PresentationDispatcher::sendString( | |
137 const blink::WebString& presentationUrl, | |
138 const blink::WebString& presentationId, | |
139 const blink::WebString& message) { | |
140 if (message.utf8().size() > kMaxPresentationSessionMessageSize) { | |
141 // TODO(crbug.com/459008): Limit the size of individual messages to 64k | |
142 // for now. Consider throwing DOMException or splitting bigger messages | |
143 // into smaller chunks later. | |
144 LOG(WARNING) << "message size exceeded limit!"; | |
145 return; | |
146 } | |
147 | |
148 presentation::SessionMessage* session_message = | |
149 new presentation::SessionMessage(); | |
150 session_message->presentation_url = presentationUrl.utf8(); | |
151 session_message->presentation_id = presentationId.utf8(); | |
152 session_message->type = presentation::PresentationMessageType:: | |
153 PRESENTATION_MESSAGE_TYPE_TEXT; | |
154 session_message->message = message.utf8(); | |
155 | |
156 message_request_queue_.push(make_linked_ptr(session_message)); | |
157 // Start processing request if only one in the queue. | |
158 if (message_request_queue_.size() == 1) { | |
159 const linked_ptr<presentation::SessionMessage>& request = | |
160 message_request_queue_.front(); | |
161 DoSendMessage(*request); | |
162 } | |
163 } | |
164 | |
165 void PresentationDispatcher::sendArrayBuffer( | |
166 const blink::WebString& presentationUrl, | |
167 const blink::WebString& presentationId, | |
168 const uint8* data, | |
169 size_t length) { | |
170 DCHECK(data); | |
171 if (length > kMaxPresentationSessionMessageSize) { | |
172 // TODO(crbug.com/459008): Same as in sendString(). | |
173 LOG(WARNING) << "data size exceeded limit!"; | |
174 return; | |
175 } | |
176 | |
177 const std::vector<uint8> vector(data, data + length); | |
178 presentation::SessionMessage* session_message = | |
179 new presentation::SessionMessage(); | |
180 session_message->presentation_url = presentationUrl.utf8(); | |
181 session_message->presentation_id = presentationId.utf8(); | |
182 session_message->type = presentation::PresentationMessageType:: | |
183 PRESENTATION_MESSAGE_TYPE_ARRAY_BUFFER; | |
184 session_message->data = mojo::Array<uint8>::From(vector); | |
185 | |
186 message_request_queue_.push(make_linked_ptr(session_message)); | |
187 // Start processing request if only one in the queue. | |
188 if (message_request_queue_.size() == 1) { | |
189 const linked_ptr<presentation::SessionMessage>& request = | |
190 message_request_queue_.front(); | |
191 DoSendMessage(*request); | |
192 } | |
193 } | |
194 | |
195 void PresentationDispatcher::DoSendMessage( | |
196 const presentation::SessionMessage& session_message) { | |
197 ConnectToPresentationServiceIfNeeded(); | |
198 | |
199 presentation::SessionMessagePtr message_request( | |
200 presentation::SessionMessage::New()); | |
201 message_request->presentation_url = session_message.presentation_url; | |
202 message_request->presentation_id = session_message.presentation_id; | |
203 message_request->type = session_message.type; | |
204 if (session_message.type == presentation::PresentationMessageType:: | |
205 PRESENTATION_MESSAGE_TYPE_TEXT) { | |
206 message_request->message = session_message.message; | |
207 } else if (session_message.type == presentation::PresentationMessageType:: | |
208 PRESENTATION_MESSAGE_TYPE_ARRAY_BUFFER) { | |
209 message_request->data = mojo::Array<uint8>::From( | |
210 session_message.data.storage()); | |
Avi (use Gerrit)
2015/05/11 14:34:41
wrap at 4
USE s.singapati at gmail.com
2015/05/11 15:15:05
Done.
| |
211 } | |
212 | |
213 presentation_service_->SendSessionMessage( | |
214 message_request.Pass(), | |
215 base::Bind(&PresentationDispatcher::HandleSendMessageRequests, | |
216 base::Unretained(this))); | |
217 } | |
218 | |
219 void PresentationDispatcher::HandleSendMessageRequests(bool success) { | |
220 // In normal cases, message_request_queue_ should not be empty at this point | |
221 // of time, but when DidCommitProvisionalLoad() is invoked before receiving | |
222 // the callback for previous send mojo call, queue would have been emptied. | |
223 if (message_request_queue_.empty()) | |
224 return; | |
225 | |
226 if (!success) { | |
227 // PresentationServiceImpl is informing that Frame has been detached or | |
228 // navigated away. Invalidate all pending requests. | |
229 MessageRequestQueue empty; | |
230 std::swap(message_request_queue_, empty); | |
231 return; | |
232 } | |
233 | |
234 message_request_queue_.pop(); | |
235 if (!message_request_queue_.empty()) { | |
236 const linked_ptr<presentation::SessionMessage>& request = | |
237 message_request_queue_.front(); | |
238 DoSendMessage(*request); | |
239 } | |
240 } | |
241 | |
135 void PresentationDispatcher::closeSession( | 242 void PresentationDispatcher::closeSession( |
136 const blink::WebString& presentationUrl, | 243 const blink::WebString& presentationUrl, |
137 const blink::WebString& presentationId) { | 244 const blink::WebString& presentationId) { |
138 ConnectToPresentationServiceIfNeeded(); | 245 ConnectToPresentationServiceIfNeeded(); |
139 | 246 |
140 presentation_service_->CloseSession( | 247 presentation_service_->CloseSession( |
141 presentationUrl.utf8(), | 248 presentationUrl.utf8(), |
142 presentationId.utf8()); | 249 presentationId.utf8()); |
143 } | 250 } |
144 | 251 |
145 void PresentationDispatcher::DidChangeDefaultPresentation() { | 252 void PresentationDispatcher::DidChangeDefaultPresentation() { |
146 GURL presentation_url(GetPresentationURLFromFrame(render_frame())); | 253 GURL presentation_url(GetPresentationURLFromFrame(render_frame())); |
147 | 254 |
148 ConnectToPresentationServiceIfNeeded(); | 255 ConnectToPresentationServiceIfNeeded(); |
149 presentation_service_->SetDefaultPresentationURL( | 256 presentation_service_->SetDefaultPresentationURL( |
150 presentation_url.spec(), mojo::String()); | 257 presentation_url.spec(), mojo::String()); |
151 } | 258 } |
152 | 259 |
260 void PresentationDispatcher::DidCommitProvisionalLoad( | |
261 bool is_new_navigation, | |
262 bool is_same_page_navigation) { | |
263 blink::WebFrame* frame = render_frame()->GetWebFrame(); | |
264 // If not top-level navigation. | |
265 if (frame->parent() || is_same_page_navigation) | |
266 return; | |
267 | |
268 // Remove all pending send message requests. | |
269 MessageRequestQueue empty; | |
270 std::swap(message_request_queue_, empty); | |
271 } | |
272 | |
153 void PresentationDispatcher::OnScreenAvailabilityChanged( | 273 void PresentationDispatcher::OnScreenAvailabilityChanged( |
154 const std::string& presentation_url, bool available) { | 274 const std::string& presentation_url, bool available) { |
155 if (!controller_) | 275 if (!controller_) |
156 return; | 276 return; |
157 | 277 |
158 // Reset the callback to get the next event. | 278 // Reset the callback to get the next event. |
159 DoUpdateAvailableChangeWatched(presentation_url, | 279 DoUpdateAvailableChangeWatched(presentation_url, |
160 controller_->isAvailableChangeWatched()); | 280 controller_->isAvailableChangeWatched()); |
161 | 281 |
162 controller_->didChangeAvailability(available); | 282 controller_->didChangeAvailability(available); |
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249 presentation_service_->ListenForSessionStateChange(base::Bind( | 369 presentation_service_->ListenForSessionStateChange(base::Bind( |
250 &PresentationDispatcher::OnSessionStateChange, | 370 &PresentationDispatcher::OnSessionStateChange, |
251 base::Unretained(this))); | 371 base::Unretained(this))); |
252 presentation_service_->ListenForSessionMessages( | 372 presentation_service_->ListenForSessionMessages( |
253 base::Bind(&PresentationDispatcher::OnSessionMessagesReceived, | 373 base::Bind(&PresentationDispatcher::OnSessionMessagesReceived, |
254 base::Unretained(this))); | 374 base::Unretained(this))); |
255 */ | 375 */ |
256 } | 376 } |
257 | 377 |
258 } // namespace content | 378 } // namespace content |
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