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| 1 /* | |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #ifndef SKY_ENGINE_CORE_DOM_SHADOW_SHADOWROOTRAREDATA_H_ | |
| 32 #define SKY_ENGINE_CORE_DOM_SHADOW_SHADOWROOTRAREDATA_H_ | |
| 33 | |
| 34 #include "sky/engine/core/dom/shadow/InsertionPoint.h" | |
| 35 #include "sky/engine/wtf/RefPtr.h" | |
| 36 #include "sky/engine/wtf/Vector.h" | |
| 37 | |
| 38 namespace blink { | |
| 39 | |
| 40 class ShadowRootRareData { | |
| 41 public: | |
| 42 ShadowRootRareData() | |
| 43 : m_descendantContentElementCount(0) | |
| 44 , m_childShadowRootCount(0) | |
| 45 { | |
| 46 } | |
| 47 | |
| 48 void didAddInsertionPoint(InsertionPoint*); | |
| 49 void didRemoveInsertionPoint(InsertionPoint*); | |
| 50 | |
| 51 bool containsContentElements() const { return m_descendantContentElementCoun
t; } | |
| 52 bool containsShadowRoots() const { return m_childShadowRootCount; } | |
| 53 | |
| 54 void didAddChildShadowRoot() { ++m_childShadowRootCount; } | |
| 55 void didRemoveChildShadowRoot() { ASSERT(m_childShadowRootCount > 0); --m_ch
ildShadowRootCount; } | |
| 56 | |
| 57 unsigned childShadowRootCount() const { return m_childShadowRootCount; } | |
| 58 | |
| 59 const Vector<RefPtr<InsertionPoint> >& descendantInsertionPoints() { return
m_descendantInsertionPoints; } | |
| 60 void setDescendantInsertionPoints(Vector<RefPtr<InsertionPoint> >& list) { m
_descendantInsertionPoints.swap(list); } | |
| 61 void clearDescendantInsertionPoints() { m_descendantInsertionPoints.clear();
} | |
| 62 | |
| 63 private: | |
| 64 unsigned m_descendantContentElementCount; | |
| 65 unsigned m_childShadowRootCount; | |
| 66 Vector<RefPtr<InsertionPoint> > m_descendantInsertionPoints; | |
| 67 }; | |
| 68 | |
| 69 inline void ShadowRootRareData::didAddInsertionPoint(InsertionPoint* point) | |
| 70 { | |
| 71 ASSERT(point); | |
| 72 if (isHTMLContentElement(*point)) | |
| 73 ++m_descendantContentElementCount; | |
| 74 else | |
| 75 ASSERT_NOT_REACHED(); | |
| 76 } | |
| 77 | |
| 78 inline void ShadowRootRareData::didRemoveInsertionPoint(InsertionPoint* point) | |
| 79 { | |
| 80 ASSERT(point); | |
| 81 if (isHTMLContentElement(*point)) | |
| 82 --m_descendantContentElementCount; | |
| 83 else | |
| 84 ASSERT_NOT_REACHED(); | |
| 85 | |
| 86 ASSERT(m_descendantContentElementCount >= 0); | |
| 87 } | |
| 88 | |
| 89 } // namespace blink | |
| 90 | |
| 91 #endif // SKY_ENGINE_CORE_DOM_SHADOW_SHADOWROOTRAREDATA_H_ | |
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Chromium Code Reviews
Issue 862183003:
Merge ShadowRootRareData into ShadowRoot. (Closed)
Base URL: git@github.com:domokit/mojo.git@master