| // 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. |
| |
| #ifndef NGBox_h |
| #define NGBox_h |
| |
| #include "core/CoreExport.h" |
| #include "platform/heap/Handle.h" |
| |
| namespace blink { |
| |
| class ComputedStyle; |
| class LayoutObject; |
| class NGConstraintSpace; |
| class NGFragment; |
| |
| // Represents a node to be laid out. |
| class CORE_EXPORT NGBox final { |
| public: |
| explicit NGBox(const LayoutObject* layoutObject) |
| : m_layoutObject(layoutObject) {} |
| |
| operator bool() const { return m_layoutObject; } |
| |
| NGFragment* layout(const NGConstraintSpace&); |
| const ComputedStyle* style() const; |
| |
| // TODO(layout-ng): Returning a children iterator would be better here. |
| const NGBox firstChild() const; |
| const NGBox nextSibling() const; |
| |
| private: |
| const LayoutObject* m_layoutObject; |
| }; |
| |
| } // namespace blink |
| |
| #endif // NGBox_h |