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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 module presentation; | 5 module presentation; |
6 | 6 |
7 struct PresentationSessionInfo { | 7 struct PresentationSessionInfo { |
8 string url; | 8 string url; |
9 string id; | 9 string id; |
10 }; | 10 }; |
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97 // When state change occurs, PresentationServiceClient::OnSessionStateChanged | 97 // When state change occurs, PresentationServiceClient::OnSessionStateChanged |
98 // will be invoked with the session and its new state. | 98 // will be invoked with the session and its new state. |
99 // This is called after a presentation session is created. | 99 // This is called after a presentation session is created. |
100 ListenForSessionStateChange(); | 100 ListenForSessionStateChange(); |
101 | 101 |
102 // Starts listening for messages for session with |sessionInfo|. | 102 // Starts listening for messages for session with |sessionInfo|. |
103 // Messages will be received in | 103 // Messages will be received in |
104 // PresentationServiceClient::OnSessionMessagesReceived. | 104 // PresentationServiceClient::OnSessionMessagesReceived. |
105 // This is called after a presentation session is created. | 105 // This is called after a presentation session is created. |
106 ListenForSessionMessages(PresentationSessionInfo sessionInfo); | 106 ListenForSessionMessages(PresentationSessionInfo sessionInfo); |
| 107 |
| 108 // Gets a single presenter PresentationSessionInfo object for the 1-UA |
| 109 // presentation that was presented onto this frame. |
| 110 // If the calling frame is not a presenter frame, null will be returned. |
| 111 // Otherwise, a presenter PresentationSessionInfo object will be returned, |
| 112 // with url set to empty, and id set to the Id of the 1-UA presentation. |
| 113 GetPresenterSession() => (PresentationSessionInfo? session_info); |
107 }; | 114 }; |
108 | 115 |
109 interface PresentationServiceClient { | 116 interface PresentationServiceClient { |
110 // Called when the client tries to listen for screen availability changes for | 117 // Called when the client tries to listen for screen availability changes for |
111 // presentation of |url| but it is not supported by the device or underlying | 118 // presentation of |url| but it is not supported by the device or underlying |
112 // platform. This can also be called if the device is currently in a mode | 119 // platform. This can also be called if the device is currently in a mode |
113 // where it can't do screen discoveries (eg. low battery). | 120 // where it can't do screen discoveries (eg. low battery). |
114 OnScreenAvailabilityNotSupported(string url); | 121 OnScreenAvailabilityNotSupported(string url); |
115 | 122 |
116 // Called when the client is listening for screen availability for | 123 // Called when the client is listening for screen availability for |
117 // presentation of |url| and the state changes. When the client starts to | 124 // presentation of |url| and the state changes. When the client starts to |
118 // listen for screen availability, this method will always be called to give | 125 // listen for screen availability, this method will always be called to give |
119 // the current known state. It will then be called to notify of state updates. | 126 // the current known state. It will then be called to notify of state updates. |
120 OnScreenAvailabilityUpdated(string url, bool available); | 127 OnScreenAvailabilityUpdated(string url, bool available); |
121 | 128 |
122 // See PresentationService::ListenForSessionStateChange. | 129 // See PresentationService::ListenForSessionStateChange. |
123 OnSessionStateChanged(PresentationSessionInfo sessionInfo, | 130 OnSessionStateChanged(PresentationSessionInfo sessionInfo, |
124 PresentationSessionState newState); | 131 PresentationSessionState newState); |
125 | 132 |
126 // See PresentationService::ListenForSessionMessages. | 133 // See PresentationService::ListenForSessionMessages. |
127 OnSessionMessagesReceived(PresentationSessionInfo sessionInfo, array<SessionMe
ssage> messages); | 134 OnSessionMessagesReceived(PresentationSessionInfo sessionInfo, array<SessionMe
ssage> messages); |
128 }; | 135 }; |
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