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1 // FIXME: Move HTMLContentElement.h here. | 1 /* |
2 #include "core/html/shadow/HTMLContentElement.h" | 2 * Copyright (C) 2011 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 HTMLContentElement_h |
| 32 #define HTMLContentElement_h |
| 33 |
| 34 #include "core/css/CSSSelectorList.h" |
| 35 #include "core/dom/shadow/InsertionPoint.h" |
| 36 |
| 37 namespace WebCore { |
| 38 |
| 39 class HTMLContentElement FINAL : public InsertionPoint { |
| 40 public: |
| 41 static PassRefPtr<HTMLContentElement> create(Document&); |
| 42 |
| 43 virtual ~HTMLContentElement(); |
| 44 |
| 45 virtual bool canAffectSelector() const OVERRIDE { return true; } |
| 46 |
| 47 bool canSelectNode(const Vector<Node*, 32>& siblings, int nth) const; |
| 48 |
| 49 const CSSSelectorList& selectorList() const; |
| 50 bool isSelectValid() const; |
| 51 |
| 52 private: |
| 53 explicit HTMLContentElement(Document&); |
| 54 |
| 55 virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERR
IDE; |
| 56 |
| 57 bool validateSelect() const; |
| 58 void parseSelect(); |
| 59 |
| 60 bool matchSelector(const Vector<Node*, 32>& siblings, int nth) const; |
| 61 |
| 62 bool m_shouldParseSelect; |
| 63 bool m_isValidSelector; |
| 64 AtomicString m_select; |
| 65 CSSSelectorList m_selectorList; |
| 66 }; |
| 67 |
| 68 inline const CSSSelectorList& HTMLContentElement::selectorList() const |
| 69 { |
| 70 if (m_shouldParseSelect) |
| 71 const_cast<HTMLContentElement*>(this)->parseSelect(); |
| 72 return m_selectorList; |
| 73 } |
| 74 |
| 75 inline bool HTMLContentElement::isSelectValid() const |
| 76 { |
| 77 if (m_shouldParseSelect) |
| 78 const_cast<HTMLContentElement*>(this)->parseSelect(); |
| 79 return m_isValidSelector; |
| 80 } |
| 81 |
| 82 inline bool HTMLContentElement::canSelectNode(const Vector<Node*, 32>& siblings,
int nth) const |
| 83 { |
| 84 if (m_select.isNull() || m_select.isEmpty()) |
| 85 return true; |
| 86 if (!isSelectValid()) |
| 87 return false; |
| 88 if (!siblings[nth]->isElementNode()) |
| 89 return false; |
| 90 return matchSelector(siblings, nth); |
| 91 } |
| 92 |
| 93 } |
| 94 |
| 95 #endif |
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