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 10 namespace cc { 11 12 SingleReleaseCallback::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 18 SingleReleaseCallback::~SingleReleaseCallback() { 19 DCHECK(callback_.is_null() || has_been_run_) 20 << "SingleReleaseCallback was never run."; 21 } 22 23 void SingleReleaseCallback::Run(unsigned 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
