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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 "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/media/media_devices_util.h"
#include "content/common/content_export.h"
#include "content/common/media/media_stream.mojom.h"
#include "content/common/media/media_stream_controls.h"
#include "mojo/public/cpp/bindings/binding_set.h"
namespace url {
class Origin;
}
namespace content {
class MediaStreamManager;
// 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 mojom::MediaStreamDispatcherHost {
public:
MediaStreamDispatcherHost(int render_process_id,
int render_frame_id,
MediaStreamManager* media_stream_manager);
~MediaStreamDispatcherHost() override;
void BindRequest(mojom::MediaStreamDispatcherHostRequest request);
void set_salt_and_origin_callback_for_testing(
MediaDeviceSaltAndOriginCallback callback) {
salt_and_origin_callback_ = std::move(callback);
}
void SetMediaStreamDeviceObserverForTesting(
mojom::MediaStreamDeviceObserverPtr observer) {
media_stream_device_observer_ = std::move(observer);
}
private:
friend class MockMediaStreamDispatcherHost;
const mojom::MediaStreamDeviceObserverPtr& GetMediaStreamDeviceObserver();
void OnMediaStreamDeviceObserverConnectionError();
void CancelAllRequests();
// mojom::MediaStreamDispatcherHost implementation
void GenerateStream(int32_t request_id,
const StreamControls& controls,
bool user_gesture,
GenerateStreamCallback callback) override;
void CancelRequest(int32_t request_id) override;
void StopStreamDevice(const std::string& device_id,
int32_t session_id) override;
void OpenDevice(int32_t request_id,
const std::string& device_id,
MediaStreamType type,
OpenDeviceCallback callback) override;
void CloseDevice(const std::string& label) override;
void SetCapturingLinkSecured(int32_t session_id,
MediaStreamType type,
bool is_secure) override;
void OnStreamStarted(const std::string& label) override;
void DoGenerateStream(
int32_t request_id,
const StreamControls& controls,
bool user_gesture,
GenerateStreamCallback callback,
const std::pair<std::string, url::Origin>& salt_and_origin);
void DoOpenDevice(int32_t request_id,
const std::string& device_id,
MediaStreamType type,
OpenDeviceCallback callback,
const std::pair<std::string, url::Origin>& salt_and_origin);
void OnDeviceStopped(const std::string& label,
const MediaStreamDevice& device);
const int render_process_id_;
const int render_frame_id_;
MediaStreamManager* media_stream_manager_;
mojom::MediaStreamDeviceObserverPtr media_stream_device_observer_;
mojo::BindingSet<mojom::MediaStreamDispatcherHost> bindings_;
MediaDeviceSaltAndOriginCallback salt_and_origin_callback_;
base::WeakPtrFactory<MediaStreamDispatcherHost> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcherHost);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
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