chromium/content/public/browser/media_stream_request.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_MEDIA_STREAM_REQUEST_H_
#define CONTENT_PUBLIC_BROWSER_MEDIA_STREAM_REQUEST_H_

#include <memory>

#include "base/functional/callback_forward.h"
#include "build/build_config.h"
#include "content/common/content_export.h"
#include "content/public/browser/desktop_media_id.h"
#include "third_party/blink/public/common/mediastream/media_stream_request.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom-shared.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/native_widget_types.h"
#include "url/gurl.h"

namespace content {

// Represents a request for media streams (audio/video).
// TODO(vrk,justinlin,wjia): Figure out a way to share this code cleanly between
// vanilla WebRTC, Tab Capture, and Pepper Video Capture. Right now there is
// Tab-only stuff and Pepper-only stuff being passed around to all clients,
// which is icky.
struct CONTENT_EXPORT MediaStreamRequest { … };

// Interface used by the content layer to notify chrome about changes in the
// state of a media stream. Instances of this class are passed to content layer
// when MediaStream access is approved using MediaResponseCallback.
class MediaStreamUI { … };

// Callback used return results of media access requests.
MediaResponseCallback;
}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_MEDIA_STREAM_REQUEST_H_