mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
9a843336e3
--HG-- extra : transplant_source : %8C%C3%C2%2B%1B%E9Q%9B%0E%DE%B4%AA%02%B2%D1%A0S%F1%EC%0D
61 lines
1.6 KiB
C++
61 lines
1.6 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 "AudioNodeStream.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
template<class NodeType>
|
|
class PlayingRefChangeHandler : public nsRunnable
|
|
{
|
|
public:
|
|
enum ChangeType { ADDREF, RELEASE };
|
|
PlayingRefChangeHandler(AudioNodeStream* aStream, ChangeType aChange)
|
|
: mLastProcessedGraphUpdateIndex(aStream->GetProcessingGraphUpdateIndex())
|
|
, mStream(aStream)
|
|
, mChange(aChange)
|
|
{
|
|
}
|
|
|
|
NS_IMETHOD Run()
|
|
{
|
|
nsRefPtr<NodeType> node;
|
|
{
|
|
// No need to keep holding the lock for the whole duration of this
|
|
// function, since we're holding a strong reference to it, so if
|
|
// we can obtain the reference, we will hold the node alive in
|
|
// this function.
|
|
MutexAutoLock lock(mStream->Engine()->NodeMutex());
|
|
node = static_cast<NodeType*>(mStream->Engine()->Node());
|
|
}
|
|
if (node) {
|
|
if (mChange == ADDREF) {
|
|
node->MarkActive();
|
|
} else if (mChange == RELEASE &&
|
|
node->AcceptPlayingRefRelease(mLastProcessedGraphUpdateIndex)) {
|
|
node->MarkInactive();
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
private:
|
|
int64_t mLastProcessedGraphUpdateIndex;
|
|
nsRefPtr<AudioNodeStream> mStream;
|
|
ChangeType mChange;
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|