File: media_playback_options.h

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (75 lines) | stat: -rw-r--r-- 2,804 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
// 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 COMPONENTS_MEDIA_CONTROL_RENDERER_MEDIA_PLAYBACK_OPTIONS_H_
#define COMPONENTS_MEDIA_CONTROL_RENDERER_MEDIA_PLAYBACK_OPTIONS_H_

#include <vector>

#include "base/functional/callback_forward.h"
#include "base/sequence_checker.h"
#include "components/media_control/mojom/media_playback_options.mojom.h"
#include "content/public/common/media_playback_renderer_type.mojom.h"
#include "content/public/renderer/render_frame_media_playback_options.h"
#include "content/public/renderer/render_frame_observer.h"
#include "content/public/renderer/render_frame_observer_tracker.h"
#include "mojo/public/cpp/bindings/associated_receiver_set.h"
#include "mojo/public/cpp/bindings/pending_associated_receiver.h"
#include "services/service_manager/public/cpp/binder_registry.h"

namespace content {
class RenderFrame;
}  // namespace content

namespace media_control {

// Manages options for suspending playback and deferring media load.
// Based on Chrome prerender. Manages its own lifetime.
class MediaPlaybackOptions
    : public components::media_control::mojom::MediaPlaybackOptions,
      public content::RenderFrameObserver,
      public content::RenderFrameObserverTracker<MediaPlaybackOptions> {
 public:
  explicit MediaPlaybackOptions(content::RenderFrame* render_frame);

  MediaPlaybackOptions(const MediaPlaybackOptions&) = delete;
  MediaPlaybackOptions& operator=(const MediaPlaybackOptions&) = delete;

  // Runs |closure| if the page/frame is switched to foreground. Returns true if
  // the running of |closure| is deferred (not yet in foreground); false if
  // |closure| can be run immediately.
  bool RunWhenInForeground(base::OnceClosure closure);

  bool IsBackgroundSuspendEnabled() const;

 private:
  ~MediaPlaybackOptions() override;

  // content::RenderFrameObserver implementation:
  void OnDestruct() override;

  // MediaPlaybackOptions implementation
  void SetMediaLoadingBlocked(bool blocked) override;
  void SetBackgroundVideoPlaybackEnabled(bool enabled) override;
  void SetRendererType(content::mojom::RendererType type) override;

  void OnMediaPlaybackOptionsAssociatedReceiver(
      mojo::PendingAssociatedReceiver<
          components::media_control::mojom::MediaPlaybackOptions> receiver);

  bool render_frame_action_blocked_;
  content::RenderFrameMediaPlaybackOptions renderer_media_playback_options_;

  std::vector<base::OnceClosure> pending_closures_;

  mojo::AssociatedReceiverSet<
      components::media_control::mojom::MediaPlaybackOptions>
      receivers_;

  SEQUENCE_CHECKER(sequence_checker_);
};

}  // namespace media_control

#endif  // COMPONENTS_MEDIA_CONTROL_RENDERER_MEDIA_PLAYBACK_OPTIONS_H_