92 lines
3.8 KiB
C++
92 lines
3.8 KiB
C++
/*
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* Copyright (C) 2009 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "RenderBlockFlow.h"
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#include "RenderInline.h"
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namespace WebCore {
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// Following the HTML 5 spec, the box object model for a <ruby> element allows several runs of ruby
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// bases with their respective ruby texts looks as follows:
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//
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// 1 RenderRuby object, corresponding to the whole <ruby> HTML element
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// 1+ RenderRubyRun (anonymous)
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// 0 or 1 RenderRubyText - shuffled to the front in order to re-use existing block layouting
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// 0-n inline object(s)
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// 0 or 1 RenderRubyBase - contains the inline objects that make up the ruby base
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// 1-n inline object(s)
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//
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// Note: <rp> elements are defined as having 'display:none' and thus normally are not assigned a renderer.
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//
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// Generated :before/:after content is shunted into anonymous inline blocks
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// <ruby> when used as 'display:inline'
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class RenderRubyAsInline final : public RenderInline {
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WTF_MAKE_ISO_ALLOCATED(RenderRubyAsInline);
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public:
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RenderRubyAsInline(Element&, RenderStyle&&);
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virtual ~RenderRubyAsInline();
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private:
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void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
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bool isRubyInline() const final { return true; }
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const char* renderName() const override { return "RenderRuby (inline)"; }
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bool createsAnonymousWrapper() const override { return true; }
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};
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// <ruby> when used as 'display:block' or 'display:inline-block'
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class RenderRubyAsBlock final : public RenderBlockFlow {
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WTF_MAKE_ISO_ALLOCATED(RenderRubyAsBlock);
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public:
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RenderRubyAsBlock(Element&, RenderStyle&&);
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virtual ~RenderRubyAsBlock();
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Element& element() const { return downcast<Element>(nodeForNonAnonymous()); }
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private:
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void styleDidChange(StyleDifference, const RenderStyle* oldStyle) override;
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bool isRubyBlock() const final { return true; }
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const char* renderName() const override { return "RenderRuby (block)"; }
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bool createsAnonymousWrapper() const override { return true; }
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};
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inline bool isRuby(const RenderObject& renderer) { return (is<RenderRubyAsInline>(renderer) || is<RenderRubyAsBlock>(renderer)); }
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inline bool isRuby(const RenderObject* renderer) { return (renderer && isRuby(*renderer)); }
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} // namespace WebCore
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SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderRubyAsInline, isRubyInline())
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SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderRubyAsBlock, isRubyBlock())
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