Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 1 | /* |
| 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" |
Torne (Richard Coles) | e524955 | 2013-05-15 11:35:13 +0100 | [diff] [blame] | 35 | #include "core/dom/shadow/InsertionPoint.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 36 | |
| 37 | namespace WebCore { |
| 38 | |
| 39 | class HTMLContentElement FINAL : public InsertionPoint { |
| 40 | public: |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 41 | static PassRefPtr<HTMLContentElement> create(const QualifiedName&, Document*); |
| 42 | static PassRefPtr<HTMLContentElement> create(Document*); |
| 43 | |
| 44 | virtual ~HTMLContentElement(); |
| 45 | |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 46 | virtual bool canAffectSelector() const OVERRIDE { return true; } |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 47 | |
Ben Murdoch | 1fad5ca | 2013-08-07 11:05:11 +0100 | [diff] [blame] | 48 | bool canSelectNode(const Vector<Node*>& siblings, int nth) const; |
| 49 | |
| 50 | const CSSSelectorList& selectorList() const; |
| 51 | bool isSelectValid() const; |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 52 | |
| 53 | private: |
Ben Murdoch | 1fad5ca | 2013-08-07 11:05:11 +0100 | [diff] [blame] | 54 | HTMLContentElement(const QualifiedName&, Document*); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 55 | |
Ben Murdoch | 1fad5ca | 2013-08-07 11:05:11 +0100 | [diff] [blame] | 56 | virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE; |
| 57 | |
| 58 | bool validateSelect() const; |
| 59 | void parseSelect(); |
| 60 | |
| 61 | bool matchSelector(const Vector<Node*>& siblings, int nth) const; |
| 62 | |
| 63 | bool m_shouldParseSelect; |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 64 | bool m_isValidSelector; |
Ben Murdoch | 1fad5ca | 2013-08-07 11:05:11 +0100 | [diff] [blame] | 65 | AtomicString m_select; |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 66 | CSSSelectorList m_selectorList; |
| 67 | }; |
| 68 | |
Ben Murdoch | 1fad5ca | 2013-08-07 11:05:11 +0100 | [diff] [blame] | 69 | inline const CSSSelectorList& HTMLContentElement::selectorList() const |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 70 | { |
Ben Murdoch | 1fad5ca | 2013-08-07 11:05:11 +0100 | [diff] [blame] | 71 | if (m_shouldParseSelect) |
| 72 | const_cast<HTMLContentElement*>(this)->parseSelect(); |
| 73 | return m_selectorList; |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 74 | } |
| 75 | |
Ben Murdoch | 1fad5ca | 2013-08-07 11:05:11 +0100 | [diff] [blame] | 76 | inline bool HTMLContentElement::isSelectValid() const |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 77 | { |
Ben Murdoch | 1fad5ca | 2013-08-07 11:05:11 +0100 | [diff] [blame] | 78 | if (m_shouldParseSelect) |
| 79 | const_cast<HTMLContentElement*>(this)->parseSelect(); |
| 80 | return m_isValidSelector; |
| 81 | } |
| 82 | |
| 83 | inline bool HTMLContentElement::canSelectNode(const Vector<Node*>& siblings, int nth) const |
| 84 | { |
| 85 | if (m_select.isNull() || m_select.isEmpty()) |
| 86 | return true; |
| 87 | if (!isSelectValid()) |
| 88 | return false; |
| 89 | if (!siblings[nth]->isElementNode()) |
| 90 | return false; |
| 91 | return matchSelector(siblings, nth); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | inline bool isHTMLContentElement(const Node* node) |
| 95 | { |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 96 | return node->hasTagName(HTMLNames::contentTag); |
| 97 | } |
| 98 | |
| 99 | inline bool isHTMLContentElement(const Element* element) |
| 100 | { |
| 101 | return element->hasTagName(HTMLNames::contentTag); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | inline HTMLContentElement* toHTMLContentElement(Node* node) |
| 105 | { |
| 106 | ASSERT_WITH_SECURITY_IMPLICATION(!node || isHTMLContentElement(node)); |
| 107 | return static_cast<HTMLContentElement*>(node); |
| 108 | } |
| 109 | |
| 110 | } |
| 111 | |
| 112 | #endif |