/* -*- 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