зеркало из https://github.com/mozilla/gecko-dev.git
68 строки
1.6 KiB
C++
68 строки
1.6 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Monitor.h"
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#include "mozilla/ReentrantMonitor.h"
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#include "MediaSystemResourceClient.h"
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namespace mozilla {
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Atomic<uint32_t> MediaSystemResourceClient::sSerialCounter(0);
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MediaSystemResourceClient::MediaSystemResourceClient(
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MediaSystemResourceType aReourceType)
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: mResourceType(aReourceType),
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mId(++sSerialCounter),
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mListener(nullptr),
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mResourceState(RESOURCE_STATE_START),
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mIsSync(false),
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mAcquireSyncWaitMonitor(nullptr),
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mAcquireSyncWaitDone(nullptr) {
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mManager = MediaSystemResourceManager::Get();
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if (mManager) {
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mManager->Register(this);
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}
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}
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MediaSystemResourceClient::~MediaSystemResourceClient() {
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ReleaseResource();
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if (mManager) {
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mManager->Unregister(this);
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}
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}
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bool MediaSystemResourceClient::SetListener(
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MediaSystemResourceReservationListener* aListener) {
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if (!mManager) {
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return false;
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}
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return mManager->SetListener(this, aListener);
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}
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void MediaSystemResourceClient::Acquire() {
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if (!mManager) {
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return;
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}
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mManager->Acquire(this);
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}
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bool MediaSystemResourceClient::AcquireSyncNoWait() {
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if (!mManager) {
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return false;
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}
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return mManager->AcquireSyncNoWait(this);
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}
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void MediaSystemResourceClient::ReleaseResource() {
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if (!mManager) {
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return;
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}
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mManager->ReleaseResource(this);
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}
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} // namespace mozilla
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