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// Copyright 2015 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 "ui/events/base_event_utils.h"
#include "base/atomic_sequence_num.h"
#include "base/logging.h"
namespace ui {
base::StaticAtomicSequenceNumber g_next_event_id;
uint32 GetNextTouchEventId() {
// Set the first touch event ID to 1 because we set id to 0 for other types
// of events.
uint32 id = g_next_event_id.GetNext();
if (id == 0)
id = g_next_event_id.GetNext();
DCHECK_NE(0U, id);
return id;
}
} // namespace ui
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