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1 // Copyright (c) 2012 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 // AudioInputDeviceManagerEventHandler is used to signal events from | |
6 // AudioInoutDeviceManager when it's time to start and stop devices. | |
7 | |
8 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEVICE_MANAGER_EVENT_HAN
DLER_H_ | |
9 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEVICE_MANAGER_EVENT_HAN
DLER_H_ | |
10 | |
11 #include "content/common/content_export.h" | |
12 | |
13 namespace content { | |
14 | |
15 class CONTENT_EXPORT AudioInputDeviceManagerEventHandler { | |
16 public: | |
17 // Called by AudioInputDeviceManager to create an audio stream using the | |
18 // device index when the device has been started. | |
19 virtual void OnDeviceStarted(int session_id, | |
20 const std::string& device_id) = 0; | |
21 | |
22 // Called by AudioInputDeviceManager to stop the audio stream when a device | |
23 // has been stopped. This method is used only when users call Close() without | |
24 // calling Stop() on a started device. | |
25 virtual void OnDeviceStopped(int session_id) = 0; | |
26 | |
27 protected: | |
28 virtual ~AudioInputDeviceManagerEventHandler() {} | |
29 }; | |
30 | |
31 } // namespace content | |
32 | |
33 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_INPUT_DEVICE_MANAGER_EVENT_
HANDLER_H_ | |
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