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| 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 |
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