third_party/WebKit/Source/core/events/TextEvent.h

/*
 * Copyright (C) 2007, 2008 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,
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 */

#ifndef TextEvent_h
#define TextEvent_h

#include "core/events/TextEventInputType.h"
#include "core/events/UIEvent.h"

namespace blink {

class DocumentFragment;

class TextEvent final : public UIEvent {
  DEFINE_WRAPPERTYPEINFO();

 public:
  static TextEvent* create();
  static TextEvent* create(AbstractView*,
                           const String& data,
                           TextEventInputType = TextEventInputKeyboard);
  static TextEvent* createForPlainTextPaste(AbstractView*,
                                            const String& data,
                                            bool shouldSmartReplace);
  static TextEvent* createForFragmentPaste(AbstractView*,
                                           DocumentFragment* data,
                                           bool shouldSmartReplace,
                                           bool shouldMatchStyle);
  static TextEvent* createForDrop(AbstractView*, const String& data);

  ~TextEvent() override;

  void initTextEvent(const AtomicString& type,
                     bool canBubble,
                     bool cancelable,
                     AbstractView*,
                     const String& data);

  String data() const { return m_data; }

  const AtomicString& interfaceName() const override;

  bool isLineBreak() const { return m_inputType == TextEventInputLineBreak; }
  bool isComposition() const {
    return m_inputType == TextEventInputComposition;
  }
  bool isPaste() const { return m_inputType == TextEventInputPaste; }
  bool isDrop() const { return m_inputType == TextEventInputDrop; }
  bool isIncrementalInsertion() const {
    return m_inputType == TextEventInputIncrementalInsertion;
  }

  bool shouldSmartReplace() const { return m_shouldSmartReplace; }
  bool shouldMatchStyle() const { return m_shouldMatchStyle; }
  DocumentFragment* pastingFragment() const { return m_pastingFragment.get(); }

  DECLARE_VIRTUAL_TRACE();

 private:
  TextEvent();

  TextEvent(AbstractView*,
            const String& data,
            TextEventInputType = TextEventInputKeyboard);
  TextEvent(AbstractView*,
            const String& data,
            DocumentFragment*,
            bool shouldSmartReplace,
            bool shouldMatchStyle);

  TextEventInputType m_inputType;
  String m_data;

  Member<DocumentFragment> m_pastingFragment;
  bool m_shouldSmartReplace;
  bool m_shouldMatchStyle;
};

inline bool isTextEvent(const Event& event) {
  return event.type() == EventTypeNames::textInput &&
         event.hasInterface(EventNames::TextEvent);
}

DEFINE_TYPE_CASTS(TextEvent,
                  Event,
                  event,
                  isTextEvent(*event),
                  isTextEvent(event));

}  // namespace blink

#endif  // TextEvent_h