third_party/blink/renderer/core/html/html_source_element.h

/*
 * Copyright (C) 2007, 2008, 2010 Apple 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.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. 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, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_SOURCE_ELEMENT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_SOURCE_ELEMENT_H_

#include "third_party/blink/renderer/core/css/media_query_list_listener.h"
#include "third_party/blink/renderer/core/html/html_element.h"
#include "third_party/blink/renderer/platform/scheduler/public/post_cancellable_task.h"
#include "third_party/blink/renderer/platform/timer.h"

namespace blink {

class USVStringOrTrustedURL;
class ExceptionState;
class HTMLSourceElement final : public HTMLElement {
  DEFINE_WRAPPERTYPEINFO();

 public:
  class Listener;

  DECLARE_NODE_FACTORY(HTMLSourceElement);

  explicit HTMLSourceElement(Document&);
  ~HTMLSourceElement() override;

  // Returns attributes that should be checked against Trusted Types
  const AttrNameToTrustedType& GetCheckedAttributeTypes() const override;

  const AtomicString& type() const;
  void SetSrc(const String&);
  void SetSrc(const USVStringOrTrustedURL&, ExceptionState&);
  void setType(const AtomicString&);

  void ScheduleErrorEvent();
  void CancelPendingErrorEvent();

  bool MediaQueryMatches() const;

  void RemoveMediaQueryListListener();
  void AddMediaQueryListListener();

  void Trace(Visitor*) override;

 private:
  void DispatchPendingEvent();

  void DidMoveToNewDocument(Document& old_document) override;

  InsertionNotificationRequest InsertedInto(ContainerNode&) override;
  void RemovedFrom(ContainerNode&) override;
  bool IsURLAttribute(const Attribute&) const override;
  void ParseAttribute(const AttributeModificationParams&) override;

  void NotifyMediaQueryChanged();
  void CreateMediaQueryList(const AtomicString& media);

  Member<MediaQueryList> media_query_list_;
  Member<Listener> listener_;
  TaskHandle pending_error_event_;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_HTML_HTML_SOURCE_ELEMENT_H_