| // Copyright 2016 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 "core/layout/ng/ng_box_iterator.h" |
| #include "core/layout/ng/ng_box.h" |
| |
| namespace blink { |
| |
| NGBoxIterator::NGBoxIterator(const LayoutObject* layoutObject) |
| : m_layoutObject(layoutObject), m_currentChild(nullptr) {} |
| |
| NGBox NGBoxIterator::first() { |
| reset(); |
| return next(); |
| } |
| |
| NGBox NGBoxIterator::next() { |
| if (!m_currentChild) { |
| m_currentChild = m_layoutObject->slowFirstChild(); |
| } else { |
| m_currentChild = m_layoutObject->nextSibling(); |
| } |
| return NGBox(m_currentChild); |
| } |
| |
| void NGBoxIterator::reset() { |
| m_currentChild = nullptr; |
| } |
| |
| } // namespace blink |
