| // Copyright 2020 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/blink/renderer/modules/csspaint/paint_worklet_id_generator.h" |
| |
| #include <limits> |
| |
| #include "base/check_op.h" |
| |
| namespace blink { |
| |
| namespace { |
| // Note that the NextId() is called from the main thread only, and that's why |
| // it is fine with current_id being int. In the future, if NextId is called from |
| // a thread other than the main thread, then we should use AtomicSequenceNumber. |
| static int current_id = 0; |
| } // namespace |
| |
| int PaintWorkletIdGenerator::NextId() { |
| CHECK_LT(current_id, std::numeric_limits<int>::max()); |
| return ++current_id; |
| } |
| |
| } // namespace blink |
