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/*
* 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"
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
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