910e62b5创建于 1月15日历史提交
// 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_RENDERER_RENDER_FRAME_MEDIA_PLAYBACK_OPTIONS_H_
#define CONTENT_PUBLIC_RENDERER_RENDER_FRAME_MEDIA_PLAYBACK_OPTIONS_H_

#include "content/common/content_export.h"
#include "content/public/common/media_playback_renderer_type.mojom.h"

namespace content {

CONTENT_EXPORT bool IsBackgroundMediaSuspendEnabled();

// Default value for is_background_suspend_enabled is determined statically in
// Chromium, but some content embedders (e.g. Cast) may need to change it at
// runtime. Additionally, Android large form factors will disable this at
// runtime.
struct RenderFrameMediaPlaybackOptions {
  // Whether the renderer should automatically suspend media playback on
  // background tabs for given |render_frame|.
  bool is_background_suspend_enabled = IsBackgroundMediaSuspendEnabled();

  // Whether background video is allowed to play for given |render_frame|.
  bool is_background_video_playback_enabled = true;

  // Whether background video optimization is supported on current platform.
  bool is_background_video_track_optimization_supported = true;

  // Which renderer should be used in this media playback.
  mojom::RendererType renderer_type = mojom::RendererType::DEFAULT_RENDERER;

  bool is_mojo_renderer_enabled() const {
    return renderer_type == mojom::RendererType::MOJO_RENDERER;
  }

  bool is_remoting_renderer_enabled() const {
    return renderer_type == mojom::RendererType::REMOTING_RENDERER;
  }
};

}  // namespace content

#endif  // CONTENT_PUBLIC_RENDERER_RENDER_FRAME_MEDIA_PLAYBACK_OPTIONS_H_