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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
#include <map>
#include <string>
#include <utility>
#include "content/browser/renderer_host/media/media_stream_manager.h"
#include "content/browser/renderer_host/media/media_stream_requester.h"
#include "content/common/content_export.h"
#include "content/common/media/media_stream_options.h"
#include "content/public/browser/browser_message_filter.h"
#include "content/public/browser/resource_context.h"
namespace content {
class MediaStreamManager;
class ResourceContext;
// MediaStreamDispatcherHost is a delegate for Media Stream API messages used by
// MediaStreamImpl. There is one MediaStreamDispatcherHost per
// RenderProcessHost, the former owned by the latter.
class CONTENT_EXPORT MediaStreamDispatcherHost : public BrowserMessageFilter,
public MediaStreamRequester {
public:
MediaStreamDispatcherHost(
int render_process_id,
const ResourceContext::SaltCallback& salt_callback,
MediaStreamManager* media_stream_manager);
// MediaStreamRequester implementation.
void StreamGenerated(int render_frame_id,
int page_request_id,
const std::string& label,
const StreamDeviceInfoArray& audio_devices,
const StreamDeviceInfoArray& video_devices) override;
void StreamGenerationFailed(
int render_frame_id,
int page_request_id,
content::MediaStreamRequestResult result) override;
void DeviceStopped(int render_frame_id,
const std::string& label,
const StreamDeviceInfo& device) override;
void DevicesEnumerated(int render_frame_id,
int page_request_id,
const std::string& label,
const StreamDeviceInfoArray& devices) override;
void DeviceOpened(int render_frame_id,
int page_request_id,
const std::string& label,
const StreamDeviceInfo& video_device) override;
// BrowserMessageFilter implementation.
bool OnMessageReceived(const IPC::Message& message) override;
void OnChannelClosing() override;
protected:
~MediaStreamDispatcherHost() override;
private:
friend class MockMediaStreamDispatcherHost;
void OnGenerateStream(int render_frame_id,
int page_request_id,
const StreamOptions& components,
const GURL& security_origin,
bool user_gesture);
void OnCancelGenerateStream(int render_frame_id,
int page_request_id);
void OnStopStreamDevice(int render_frame_id,
const std::string& device_id);
void OnEnumerateDevices(int render_frame_id,
int page_request_id,
MediaStreamType type,
const GURL& security_origin);
void OnCancelEnumerateDevices(int render_frame_id,
int page_request_id);
void OnOpenDevice(int render_frame_id,
int page_request_id,
const std::string& device_id,
MediaStreamType type,
const GURL& security_origin);
void OnCloseDevice(int render_frame_id,
const std::string& label);
void StoreRequest(int render_frame_id,
int page_request_id,
const std::string& label);
bool IsURLAllowed(const GURL& url);
int render_process_id_;
ResourceContext::SaltCallback salt_callback_;
MediaStreamManager* media_stream_manager_;
DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcherHost);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
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