1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "cc/resources/single_release_callback_impl.h"
6
7#include "base/callback_helpers.h"
8#include "base/logging.h"
9#include "cc/trees/blocking_task_runner.h"
10
11namespace cc {
12
13SingleReleaseCallbackImpl::SingleReleaseCallbackImpl(
14    const ReleaseCallbackImpl& callback)
15    : has_been_run_(false), callback_(callback) {
16  DCHECK(!callback_.is_null())
17      << "Use a NULL SingleReleaseCallbackImpl for an empty callback.";
18}
19
20SingleReleaseCallbackImpl::~SingleReleaseCallbackImpl() {
21  DCHECK(callback_.is_null() || has_been_run_)
22      << "SingleReleaseCallbackImpl was never run.";
23}
24
25void SingleReleaseCallbackImpl::Run(
26    uint32 sync_point,
27    bool is_lost,
28    BlockingTaskRunner* main_thread_task_runner) {
29  DCHECK(!has_been_run_) << "SingleReleaseCallbackImpl was run more than once.";
30  has_been_run_ = true;
31  callback_.Run(sync_point, is_lost, main_thread_task_runner);
32}
33
34}  // namespace cc
35