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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 #ifndef CONTENT_BROWSER_PRESENTATION_PRESENTATION_SERVICE_IMPL_H_ | 5 #ifndef CONTENT_BROWSER_PRESENTATION_PRESENTATION_SERVICE_IMPL_H_ |
6 #define CONTENT_BROWSER_PRESENTATION_PRESENTATION_SERVICE_IMPL_H_ | 6 #define CONTENT_BROWSER_PRESENTATION_PRESENTATION_SERVICE_IMPL_H_ |
7 | 7 |
8 #include <deque> | 8 #include <deque> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
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57 using ScreenAvailabilityMojoCallback = | 57 using ScreenAvailabilityMojoCallback = |
58 mojo::Callback<void(mojo::String, bool)>; | 58 mojo::Callback<void(mojo::String, bool)>; |
59 using NewSessionMojoCallback = | 59 using NewSessionMojoCallback = |
60 mojo::Callback<void(presentation::PresentationSessionInfoPtr, | 60 mojo::Callback<void(presentation::PresentationSessionInfoPtr, |
61 presentation::PresentationErrorPtr)>; | 61 presentation::PresentationErrorPtr)>; |
62 using DefaultSessionMojoCallback = | 62 using DefaultSessionMojoCallback = |
63 mojo::Callback<void(presentation::PresentationSessionInfoPtr)>; | 63 mojo::Callback<void(presentation::PresentationSessionInfoPtr)>; |
64 using SessionStateCallback = | 64 using SessionStateCallback = |
65 mojo::Callback<void(presentation::PresentationSessionInfoPtr, | 65 mojo::Callback<void(presentation::PresentationSessionInfoPtr, |
66 presentation::PresentationSessionState)>; | 66 presentation::PresentationSessionState)>; |
| 67 using SendMessageMojoCallback = mojo::Callback<void(bool)>; |
67 | 68 |
68 // A helper data class used by PresentationServiceImpl to do bookkeeping | 69 // A helper data class used by PresentationServiceImpl to do bookkeeping |
69 // of currently registered screen availability listeners. | 70 // of currently registered screen availability listeners. |
70 // An instance of this class is a simple state machine that waits for both | 71 // An instance of this class is a simple state machine that waits for both |
71 // the available bit and the Mojo callback to become available. | 72 // the available bit and the Mojo callback to become available. |
72 // Once this happens, the Mojo callback will be invoked with the available | 73 // Once this happens, the Mojo callback will be invoked with the available |
73 // bit, and the state machine will reset. | 74 // bit, and the state machine will reset. |
74 // The available bit is obtained from the embedder's media router. | 75 // The available bit is obtained from the embedder's media router. |
75 // The callback is obtained from the renderer via PresentationServiceImpl's | 76 // The callback is obtained from the renderer via PresentationServiceImpl's |
76 // ListenForScreenAvailability(). | 77 // ListenForScreenAvailability(). |
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195 void ListenForDefaultSessionStart( | 196 void ListenForDefaultSessionStart( |
196 const DefaultSessionMojoCallback& callback) override; | 197 const DefaultSessionMojoCallback& callback) override; |
197 void StartSession( | 198 void StartSession( |
198 const mojo::String& presentation_url, | 199 const mojo::String& presentation_url, |
199 const mojo::String& presentation_id, | 200 const mojo::String& presentation_id, |
200 const NewSessionMojoCallback& callback) override; | 201 const NewSessionMojoCallback& callback) override; |
201 void JoinSession( | 202 void JoinSession( |
202 const mojo::String& presentation_url, | 203 const mojo::String& presentation_url, |
203 const mojo::String& presentation_id, | 204 const mojo::String& presentation_id, |
204 const NewSessionMojoCallback& callback) override; | 205 const NewSessionMojoCallback& callback) override; |
| 206 void SendMessage( |
| 207 presentation::SessionMessagePtr message_request, |
| 208 const SendMessageMojoCallback& callback) override; |
205 void CloseSession( | 209 void CloseSession( |
206 const mojo::String& presentation_url, | 210 const mojo::String& presentation_url, |
207 const mojo::String& presentation_id) override; | 211 const mojo::String& presentation_id) override; |
208 void ListenForSessionStateChange( | 212 void ListenForSessionStateChange( |
209 const SessionStateCallback& callback) override; | 213 const SessionStateCallback& callback) override; |
210 | 214 |
211 // Creates a binding between this object and |request|. | 215 // Creates a binding between this object and |request|. |
212 void Bind(mojo::InterfaceRequest<presentation::PresentationService> request); | 216 void Bind(mojo::InterfaceRequest<presentation::PresentationService> request); |
213 | 217 |
214 // mojo::ErrorHandler override. | 218 // mojo::ErrorHandler override. |
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238 // Sets |default_presentation_url_| to |presentation_url| and informs the | 242 // Sets |default_presentation_url_| to |presentation_url| and informs the |
239 // delegate of new default presentation URL and ID. | 243 // delegate of new default presentation URL and ID. |
240 void DoSetDefaultPresentationUrl( | 244 void DoSetDefaultPresentationUrl( |
241 const std::string& presentation_url, | 245 const std::string& presentation_url, |
242 const std::string& presentation_id); | 246 const std::string& presentation_id); |
243 | 247 |
244 // Removes all listeners and resets default presentation URL on this instance | 248 // Removes all listeners and resets default presentation URL on this instance |
245 // and informs the PresentationServiceDelegate of such. | 249 // and informs the PresentationServiceDelegate of such. |
246 void Reset(); | 250 void Reset(); |
247 | 251 |
248 // These two functions are bound as base::Callbacks and passed to | 252 // These functions are bound as base::Callbacks and passed to |
249 // embedder's implementation of PresentationServiceDelegate for later | 253 // embedder's implementation of PresentationServiceDelegate for later |
250 // invocation. | 254 // invocation. |
251 void OnStartOrJoinSessionSucceeded( | 255 void OnStartOrJoinSessionSucceeded( |
252 bool is_start_session, | 256 bool is_start_session, |
253 int request_session_id, | 257 int request_session_id, |
254 const PresentationSessionInfo& session_info); | 258 const PresentationSessionInfo& session_info); |
255 void OnStartOrJoinSessionError( | 259 void OnStartOrJoinSessionError( |
256 bool is_start_session, | 260 bool is_start_session, |
257 int request_session_id, | 261 int request_session_id, |
258 const PresentationError& error); | 262 const PresentationError& error); |
| 263 void OnSendMessageCallback(); |
259 | 264 |
260 // Requests delegate to start a session. | 265 // Requests delegate to start a session. |
261 void DoStartSession( | 266 void DoStartSession( |
262 const std::string& presentation_url, | 267 const std::string& presentation_url, |
263 const std::string& presentation_id, | 268 const std::string& presentation_id, |
264 const NewSessionMojoCallback& callback); | 269 const NewSessionMojoCallback& callback); |
265 | 270 |
266 // Removes the head of the queue (which represents the request that has just | 271 // Removes the head of the queue (which represents the request that has just |
267 // been processed). | 272 // been processed). |
268 // Checks if there are any queued StartSession requests and if so, executes | 273 // Checks if there are any queued StartSession requests and if so, executes |
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314 // The binding is removed when binding_ is cleared or goes out of scope. | 319 // The binding is removed when binding_ is cleared or goes out of scope. |
315 scoped_ptr<mojo::Binding<presentation::PresentationService>> binding_; | 320 scoped_ptr<mojo::Binding<presentation::PresentationService>> binding_; |
316 | 321 |
317 // ID of the RenderFrameHost this object is associated with. | 322 // ID of the RenderFrameHost this object is associated with. |
318 int render_process_id_; | 323 int render_process_id_; |
319 int render_frame_id_; | 324 int render_frame_id_; |
320 | 325 |
321 // NOTE: Weak pointers must be invalidated before all other member variables. | 326 // NOTE: Weak pointers must be invalidated before all other member variables. |
322 base::WeakPtrFactory<PresentationServiceImpl> weak_factory_; | 327 base::WeakPtrFactory<PresentationServiceImpl> weak_factory_; |
323 | 328 |
| 329 // There could be one send message request at a time. |
| 330 scoped_ptr<SendMessageMojoCallback> send_message_cb_ptr_; |
| 331 |
324 DISALLOW_COPY_AND_ASSIGN(PresentationServiceImpl); | 332 DISALLOW_COPY_AND_ASSIGN(PresentationServiceImpl); |
325 }; | 333 }; |
326 | 334 |
327 } // namespace content | 335 } // namespace content |
328 | 336 |
329 #endif // CONTENT_BROWSER_PRESENTATION_PRESENTATION_SERVICE_IMPL_H_ | 337 #endif // CONTENT_BROWSER_PRESENTATION_PRESENTATION_SERVICE_IMPL_H_ |
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