blob: 7db853fdbc3c297f58c45fbbabf442de4ae8a478 [file] [log] [blame]
// 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.
#include "third_party/blink/renderer/core/html_element_type_helpers.h"
#include "third_party/blink/renderer/core/layout/layout_object.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& layout_object) {
// FIXME: LayoutMedia::layout makes assumptions about what children are
// allowed so we can't support generated content.
if (layout_object.IsMedia() || layout_object.IsTextControl() ||
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 (layout_object.IsLayoutButton())
return !IsHTMLInputElement(*layout_object.GetNode());
return layout_object.CanHaveChildren();
} // namespace blink