gecko-dev/dom/media/webaudio/PlayingRefChangeHandler.h

45 строки
1.1 KiB
C++

/* -*- 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 {
namespace 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 dom
} // namespace mozilla
#endif