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.
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
12 #include "content/browser/renderer_host/media/media_stream_manager.h"
13 #include "content/browser/renderer_host/media/media_stream_requester.h"
14 #include "content/common/content_export.h"
15 #include "content/common/media/media_stream_options.h"
16 #include "content/public/browser/browser_message_filter.h"
17 #include "content/public/browser/resource_context.h"
21 class MediaStreamManager;
23 // MediaStreamDispatcherHost is a delegate for Media Stream API messages used by
24 // MediaStreamImpl. It's the complement of MediaStreamDispatcher
25 // (owned by RenderView).
26 class CONTENT_EXPORT MediaStreamDispatcherHost : public BrowserMessageFilter,
27 public MediaStreamRequester {
29 MediaStreamDispatcherHost(
30 int render_process_id,
31 const ResourceContext::SaltCallback& salt_callback,
32 MediaStreamManager* media_stream_manager);
34 // MediaStreamRequester implementation.
35 virtual void StreamGenerated(
38 const std::string& label,
39 const StreamDeviceInfoArray& audio_devices,
40 const StreamDeviceInfoArray& video_devices) OVERRIDE;
41 virtual void StreamGenerationFailed(int render_view_id,
42 int page_request_id) OVERRIDE;
43 virtual void DeviceStopped(int render_view_id,
44 const std::string& label,
45 const StreamDeviceInfo& device) OVERRIDE;
46 virtual void DevicesEnumerated(int render_view_id,
48 const std::string& label,
49 const StreamDeviceInfoArray& devices) OVERRIDE;
50 virtual void DeviceOpened(int render_view_id,
52 const std::string& label,
53 const StreamDeviceInfo& video_device) OVERRIDE;
55 // BrowserMessageFilter implementation.
56 virtual bool OnMessageReceived(const IPC::Message& message,
57 bool* message_was_ok) OVERRIDE;
58 virtual void OnChannelClosing() OVERRIDE;
61 virtual ~MediaStreamDispatcherHost();
64 friend class MockMediaStreamDispatcherHost;
66 void OnGenerateStream(int render_view_id,
68 const StreamOptions& components,
69 const GURL& security_origin);
70 void OnCancelGenerateStream(int render_view_id,
72 void OnStopStreamDevice(int render_view_id,
73 const std::string& device_id);
75 void OnEnumerateDevices(int render_view_id,
78 const GURL& security_origin);
80 void OnCancelEnumerateDevices(int render_view_id,
83 void OnOpenDevice(int render_view_id,
85 const std::string& device_id,
87 const GURL& security_origin);
89 void OnCloseDevice(int render_view_id,
90 const std::string& label);
92 void StoreRequest(int render_view_id,
94 const std::string& label);;
96 int render_process_id_;
97 ResourceContext::SaltCallback salt_callback_;
98 MediaStreamManager* media_stream_manager_;
100 DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcherHost);
103 } // namespace content
105 #endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_