// 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.

#ifndef GeneratedChildren_h
#define GeneratedChildren_h

#include "core/layout/LayoutObject.h"

namespace blink {

// We only create "generated" child layoutObjects like one for first-letter if:
// - the firstLetterBlock can have children in the DOM and
// - the block doesn't have any special assumption on its text children.
// This correctly prevents form controls from having such layoutObjects.
static bool canHaveGeneratedChildren(const LayoutObject& layoutObject) {
  // FIXME: LayoutMedia::layout makes assumptions about what children are
  // allowed so we can't support generated content.
  if (layoutObject.isMedia() || layoutObject.isTextControl() ||
      layoutObject.isMenuList())
    return false;

  // Input elements can't have generated children, but button elements can.
  // We'll write the code assuming any other button types that might emerge in
  // the future can also have children.
  if (layoutObject.isLayoutButton())
    return !isHTMLInputElement(*layoutObject.node());

  return layoutObject.canHaveChildren();
}

}  // namespace blink

#endif  // GeneratedChildren_h