| /* |
| * 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 LayoutRubyRun_h |
| #define LayoutRubyRun_h |
| |
| #include "core/layout/LayoutBlockFlow.h" |
| #include "platform/text/TextBreakIterator.h" |
| |
| namespace blink { |
| |
| class LayoutRubyBase; |
| class LayoutRubyText; |
| |
| // LayoutRubyRun are 'inline-block/table' like objects,and wrap a single pairing |
| // of a ruby base with its ruby text(s). |
| // See LayoutRuby.h for further comments on the structure |
| |
| class LayoutRubyRun final : public LayoutBlockFlow { |
| public: |
| ~LayoutRubyRun() override; |
| |
| bool hasRubyText() const; |
| bool hasRubyBase() const; |
| LayoutRubyText* rubyText() const; |
| LayoutRubyBase* rubyBase() const; |
| LayoutRubyBase* |
| rubyBaseSafe(); // creates the base if it doesn't already exist |
| |
| LayoutObject* layoutSpecialExcludedChild(bool relayoutChildren, |
| SubtreeLayoutScope&) override; |
| void layout() override; |
| |
| bool isChildAllowed(LayoutObject*, const ComputedStyle&) const override; |
| void addChild(LayoutObject* child, |
| LayoutObject* beforeChild = nullptr) override; |
| void removeChild(LayoutObject* child) override; |
| |
| void getOverhang(bool firstLine, |
| LayoutObject* startLayoutObject, |
| LayoutObject* endLayoutObject, |
| int& startOverhang, |
| int& endOverhang) const; |
| |
| static LayoutRubyRun* staticCreateRubyRun(const LayoutObject* parentRuby); |
| |
| bool canBreakBefore(const LazyLineBreakIterator&) const; |
| |
| const char* name() const override { return "LayoutRubyRun"; } |
| |
| protected: |
| LayoutRubyBase* createRubyBase() const; |
| |
| private: |
| LayoutRubyRun(); |
| |
| bool isOfType(LayoutObjectType type) const override { |
| return type == LayoutObjectRubyRun || LayoutBlockFlow::isOfType(type); |
| } |
| bool createsAnonymousWrapper() const override { return true; } |
| void removeLeftoverAnonymousBlock(LayoutBlock*) override {} |
| }; |
| |
| DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutRubyRun, isRubyRun()); |
| |
| } // namespace blink |
| |
| #endif // LayoutRubyRun_h |