third_party/blink/renderer/core/html/custom/v0_custom_element_scheduler.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * 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
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 * 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
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_V0_CUSTOM_ELEMENT_SCHEDULER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_V0_CUSTOM_ELEMENT_SCHEDULER_H_

#include "third_party/blink/renderer/core/html/custom/v0_custom_element_callback_queue.h"
#include "third_party/blink/renderer/core/html/custom/v0_custom_element_lifecycle_callbacks.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"

namespace blink {

class V0CustomElementDescriptor;
class V0CustomElementMicrotaskImportStep;
class V0CustomElementMicrotaskStep;
class V0CustomElementRegistrationContext;
class HTMLImportChild;

class V0CustomElementScheduler final
    : public GarbageCollected<V0CustomElementScheduler> {
 public:
  static void ScheduleCallback(V0CustomElementLifecycleCallbacks*,
                               Element*,
                               V0CustomElementLifecycleCallbacks::CallbackType);
  static void ScheduleAttributeChangedCallback(
      V0CustomElementLifecycleCallbacks*,
      Element*,
      const AtomicString& name,
      const AtomicString& old_value,
      const AtomicString& new_value);

  static void ResolveOrScheduleResolution(V0CustomElementRegistrationContext*,
                                          Element*,
                                          const V0CustomElementDescriptor&);
  static V0CustomElementMicrotaskImportStep* ScheduleImport(HTMLImportChild*);

  static void MicrotaskDispatcherDidFinish();
  static void CallbackDispatcherDidFinish();

 private:
  V0CustomElementScheduler() = default;

  static void EnqueueMicrotaskStep(Document&,
                                   V0CustomElementMicrotaskStep*,
                                   bool import_is_sync = true);
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_CUSTOM_V0_CUSTOM_ELEMENT_SCHEDULER_H_