summaryrefslogtreecommitdiffstats
path: root/dom/media/webaudio/PlayingRefChangeHandler.h
blob: cda01fdcd30c4661302630673ea06526e32b9fc2 (plain)
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
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef PlayingRefChangeHandler_h__
#define PlayingRefChangeHandler_h__

#include "nsThreadUtils.h"
#include "AudioNodeTrack.h"

namespace mozilla::dom {

class PlayingRefChangeHandler final : public Runnable {
 public:
  enum ChangeType { ADDREF, RELEASE };
  PlayingRefChangeHandler(AudioNodeTrack* aTrack, ChangeType aChange)
      : Runnable("dom::PlayingRefChangeHandler"),
        mTrack(aTrack),
        mChange(aChange) {}

  NS_IMETHOD Run() override {
    RefPtr<AudioNode> node = mTrack->Engine()->NodeMainThread();
    if (node) {
      if (mChange == ADDREF) {
        node->MarkActive();
      } else if (mChange == RELEASE) {
        node->MarkInactive();
      }
    }
    return NS_OK;
  }

 private:
  RefPtr<AudioNodeTrack> mTrack;
  ChangeType mChange;
};

}  // namespace mozilla::dom

#endif