gecko-dev/dom/media/systemservices/MediaSystemResourceClient.cpp

76 строки
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/. */
#include "mozilla/Monitor.h"
#include "mozilla/ReentrantMonitor.h"
#include "MediaSystemResourceClient.h"
namespace mozilla {
Atomic<uint32_t> MediaSystemResourceClient::sSerialCounter(0);
MediaSystemResourceClient::MediaSystemResourceClient(MediaSystemResourceType aReourceType)
: mResourceType(aReourceType)
, mId(++sSerialCounter)
, mListener(nullptr)
, mResourceState(RESOURCE_STATE_START)
, mIsSync(false)
, mAcquireSyncWaitMonitor(nullptr)
, mAcquireSyncWaitDone(nullptr)
{
mManager = MediaSystemResourceManager::Get();
if (mManager) {
mManager->Register(this);
}
}
MediaSystemResourceClient::~MediaSystemResourceClient()
{
ReleaseResource();
if (mManager) {
mManager->Unregister(this);
}
}
bool
MediaSystemResourceClient::SetListener(MediaSystemResourceReservationListener* aListener)
{
if (!mManager) {
return false;
}
return mManager->SetListener(this, aListener);
}
void
MediaSystemResourceClient::Acquire()
{
if (!mManager) {
return;
}
mManager->Acquire(this);
}
bool
MediaSystemResourceClient::AcquireSyncNoWait()
{
if (!mManager) {
return false;
}
return mManager->AcquireSyncNoWait(this);
}
void
MediaSystemResourceClient::ReleaseResource()
{
if (!mManager) {
return;
}
mManager->ReleaseResource(this);
}
} // namespace mozilla