| /* |
| * 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_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_RUBY_H_ |
| |
| #include "third_party/blink/renderer/core/layout/layout_block_flow.h" |
| #include "third_party/blink/renderer/core/layout/layout_inline.h" |
| |
| namespace blink { |
| |
| // Following the HTML 5 spec, the box object model for a <ruby> element allows |
| // several runs of ruby |
| // bases with their respective ruby texts looks as follows: |
| // |
| // 1 LayoutRuby object, corresponding to the whole <ruby> HTML element |
| // 1+ LayoutRubyRun (anonymous) |
| // 0 or 1 LayoutRubyText - shuffled to the front in order to re-use |
| // existing block layouting |
| // 0-n inline object(s) |
| // 0 or 1 LayoutRubyBase - contains the inline objects that make up the |
| // ruby base |
| // 1-n inline object(s) |
| // |
| // Note: <rp> elements are defined as having 'display:none' and thus normally |
| // are not assigned a layoutObject. |
| // |
| // Generated :before/:after content is shunted into anonymous inline blocks |
| |
| // <ruby> when used as 'display:inline' |
| class LayoutRubyAsInline final : public LayoutInline { |
| public: |
| LayoutRubyAsInline(Element*); |
| ~LayoutRubyAsInline() override; |
| |
| void AddChild(LayoutObject* child, |
| LayoutObject* before_child = nullptr) override; |
| void RemoveChild(LayoutObject* child) override; |
| |
| const char* GetName() const override { return "LayoutRuby (inline)"; } |
| |
| protected: |
| void StyleDidChange(StyleDifference, const ComputedStyle* old_style) override; |
| |
| private: |
| bool IsOfType(LayoutObjectType type) const override { |
| return type == kLayoutObjectRuby || LayoutInline::IsOfType(type); |
| } |
| bool CreatesAnonymousWrapper() const override { return true; } |
| }; |
| |
| // <ruby> when used as 'display:block' or 'display:inline-block' |
| class LayoutRubyAsBlock : public LayoutBlockFlow { |
| public: |
| LayoutRubyAsBlock(Element*); |
| ~LayoutRubyAsBlock() override; |
| |
| void AddChild(LayoutObject* child, |
| LayoutObject* before_child = nullptr) override; |
| void RemoveChild(LayoutObject* child) override; |
| |
| const char* GetName() const override { return "LayoutRuby (block)"; } |
| |
| protected: |
| void StyleDidChange(StyleDifference, const ComputedStyle* old_style) override; |
| bool IsOfType(LayoutObjectType type) const override { |
| return type == kLayoutObjectRuby || LayoutBlockFlow::IsOfType(type); |
| } |
| |
| private: |
| bool CreatesAnonymousWrapper() const override { return true; } |
| void RemoveLeftoverAnonymousBlock(LayoutBlock*) override { NOTREACHED(); } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LAYOUT_RUBY_H_ |