chrome/browser/media/media_internals_observer.h - Issue 10928043: Media Related changes for TabCapture API

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Side by Side Diff: chrome/browser/media/media_internals_observer.h

Issue 10928043: Media Related changes for TabCapture API (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Fix unit test Created 8 years, 2 months ago

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« chrome/browser/media/media_internals.cc ('K') | « chrome/browser/media/media_internals.cc ('k') | content/browser/renderer_host/media/media_stream_manager.h » ('j') | content/browser/renderer_host/media/media_stream_manager.h » ('J')
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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.	1 // Copyright (c) 2011 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 CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_OBSERVER_H_	5 #ifndef CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_OBSERVER_H_

6 #define CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_OBSERVER_H_	6 #define CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_OBSERVER_H_

7	7

	8 #include "content/public/common/media_stream_request.h"

	9

8 // Used by MediaInternalsUI to receive callbacks on media events.	10 // Used by MediaInternalsUI to receive callbacks on media events.

9 // Callbacks will be on the IO thread.	11 // Callbacks will be on the IO thread.

10 class MediaInternalsObserver {	12 class MediaInternalsObserver {

11 public:	13 public:

12 // Handle an information update consisting of a javascript function call.	14 // Handle an information update consisting of a javascript function call.

13 virtual void OnUpdate(const string16& javascript) = 0;	15 virtual void OnUpdate(const string16& javascript) {}

	16 // Handle an information update related to a media stream request.

	17 virtual void OnRequestUpdate(
	perkj_chrome 2012/10/04 08:19:25 I don't understand this. What is it doing and why? I don't understand this. What is it doing and why? justinlin 2012/10/08 08:59:45 It's to allow chrome extensions to listen to strea Show quoted text On 2012/10/04 08:19:25, perkj wrote: > I don't understand this. What is it doing and why? It's to allow chrome extensions to listen to stream change notifications, specifically for tab media streams.
	18 const content::MediaStreamDevice& device,

	19 const content::MediaStreamRequest::RequestState state) {}

14 virtual ~MediaInternalsObserver() {}	20 virtual ~MediaInternalsObserver() {}

15 };	21 };

16	22

17 #endif // CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_OBSERVER_H_	23 #endif // CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_OBSERVER_H_

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