1// Copyright 2013 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.h"
6
7#include "base/callback_helpers.h"
8#include "base/logging.h"
9
10namespace cc {
11
12SingleReleaseCallback::SingleReleaseCallback(const ReleaseCallback& callback)
13    : has_been_run_(false), callback_(callback) {
14  DCHECK(!callback_.is_null())
15      << "Use a NULL SingleReleaseCallback for an empty callback.";
16}
17
18SingleReleaseCallback::~SingleReleaseCallback() {
19  DCHECK(callback_.is_null() || has_been_run_)
20      << "SingleReleaseCallback was never run.";
21}
22
23void SingleReleaseCallback::Run(uint32 sync_point, bool is_lost) {
24  DCHECK(!has_been_run_) << "SingleReleaseCallback was run more than once.";
25  has_been_run_ = true;
26  callback_.Run(sync_point, is_lost);
27}
28
29}  // namespace cc
30