| /* |
| * Copyright (C) 2009 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_RUBY_BASE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_RUBY_BASE_H_ |
| |
| #include "third_party/blink/renderer/core/layout/layout_block_flow.h" |
| |
| namespace blink { |
| |
| class LayoutRubyRun; |
| template <typename Base> |
| class LayoutNGMixin; |
| |
| class LayoutRubyBase : public LayoutBlockFlow { |
| public: |
| ~LayoutRubyBase() override; |
| static LayoutRubyBase* CreateAnonymous(Document*, |
| const LayoutRubyRun& ruby_run); |
| |
| const char* GetName() const override { |
| NOT_DESTROYED(); |
| return "LayoutRubyBase"; |
| } |
| |
| bool IsOfType(LayoutObjectType type) const override { |
| NOT_DESTROYED(); |
| return type == kLayoutObjectRubyBase || LayoutBlockFlow::IsOfType(type); |
| } |
| |
| bool IsChildAllowed(LayoutObject*, const ComputedStyle&) const override; |
| |
| private: |
| // The argument must be nullptr. It's necessary for the LayoutNGMixin |
| // constructor. |
| explicit LayoutRubyBase(Element*); |
| |
| ETextAlign TextAlignmentForLine(bool ends_with_soft_break) const override; |
| void AdjustInlineDirectionLineBounds( |
| unsigned expansion_opportunity_count, |
| LayoutUnit& logical_left, |
| LayoutUnit& logical_width) const override; |
| |
| void MoveChildren(LayoutRubyBase* to_base, |
| LayoutObject* before_child = nullptr); |
| void MoveInlineChildren(LayoutRubyBase* to_base, |
| LayoutObject* before_child = nullptr); |
| void MoveBlockChildren(LayoutRubyBase* to_base, |
| LayoutObject* before_child = nullptr); |
| |
| friend class LayoutNGMixin<LayoutRubyBase>; |
| // Allow LayoutRubyRun to manipulate the children within ruby bases. |
| friend class LayoutRubyRun; |
| }; |
| |
| template <> |
| struct DowncastTraits<LayoutRubyBase> { |
| static bool AllowFrom(const LayoutObject& object) { |
| return object.IsRubyBase(); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_RUBY_BASE_H_ |