third_party/blink/renderer/platform/bindings/microtask.cc

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer
 *    in the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name of Google Inc. nor the names of its contributors
 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

#include "third_party/blink/renderer/platform/bindings/microtask.h"

#include <memory>
#include <utility>

#include "base/memory/ptr_util.h"
#include "third_party/blink/renderer/platform/bindings/script_forbidden_scope.h"

namespace blink {

void Microtask::PerformCheckpoint(v8::Isolate* isolate) {
  if (ScriptForbiddenScope::IsScriptForbidden())
    return;
  v8::MicrotasksScope::PerformCheckpoint(isolate);
}

static void MicrotaskFunctionCallback(void* data) {
  std::unique_ptr<base::OnceClosure> task =
      base::WrapUnique(static_cast<base::OnceClosure*>(data));
  std::move(*task).Run();
}

void Microtask::EnqueueMicrotask(base::OnceClosure callback) {
  v8::Isolate* isolate = v8::Isolate::GetCurrent();
  isolate->EnqueueMicrotask(
      &MicrotaskFunctionCallback,
      static_cast<void*>(new base::OnceClosure(std::move(callback))));
}

}  // namespace blink