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1 /* | 1 /* |
2 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. | 2 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved. |
3 * Copyright (C) 2012 Apple Inc. All rights reserved. | 3 * Copyright (C) 2012 Apple Inc. All rights reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * | 8 * |
9 * 1. Redistributions of source code must retain the above | 9 * 1. Redistributions of source code must retain the above |
10 * copyright notice, this list of conditions and the following | 10 * copyright notice, this list of conditions and the following |
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24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
26 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF | 26 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF |
27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 27 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
28 * SUCH DAMAGE. | 28 * SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "config.h" | 31 #include "config.h" |
32 #include "core/css/CSSGroupingRule.h" | 32 #include "core/css/CSSGroupingRule.h" |
33 | 33 |
34 #include "bindings/v8/ExceptionMessages.h" | |
35 #include "bindings/v8/ExceptionState.h" | 34 #include "bindings/v8/ExceptionState.h" |
36 #include "core/css/CSSParser.h" | 35 #include "core/css/CSSParser.h" |
37 #include "core/css/CSSRuleList.h" | 36 #include "core/css/CSSRuleList.h" |
38 #include "core/css/CSSStyleSheet.h" | 37 #include "core/css/CSSStyleSheet.h" |
39 #include "core/dom/ExceptionCode.h" | 38 #include "core/dom/ExceptionCode.h" |
40 #include "wtf/text/StringBuilder.h" | 39 #include "wtf/text/StringBuilder.h" |
41 | 40 |
42 namespace WebCore { | 41 namespace WebCore { |
43 | 42 |
44 CSSGroupingRule::CSSGroupingRule(StyleRuleGroup* groupRule, CSSStyleSheet* paren
t) | 43 CSSGroupingRule::CSSGroupingRule(StyleRuleGroup* groupRule, CSSStyleSheet* paren
t) |
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55 if (m_childRuleCSSOMWrappers[i]) | 54 if (m_childRuleCSSOMWrappers[i]) |
56 m_childRuleCSSOMWrappers[i]->setParentRule(0); | 55 m_childRuleCSSOMWrappers[i]->setParentRule(0); |
57 } | 56 } |
58 } | 57 } |
59 | 58 |
60 unsigned CSSGroupingRule::insertRule(const String& ruleString, unsigned index, E
xceptionState& exceptionState) | 59 unsigned CSSGroupingRule::insertRule(const String& ruleString, unsigned index, E
xceptionState& exceptionState) |
61 { | 60 { |
62 ASSERT(m_childRuleCSSOMWrappers.size() == m_groupRule->childRules().size()); | 61 ASSERT(m_childRuleCSSOMWrappers.size() == m_groupRule->childRules().size()); |
63 | 62 |
64 if (index > m_groupRule->childRules().size()) { | 63 if (index > m_groupRule->childRules().size()) { |
65 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::fail
edToExecute("insertRule", "CSSGroupingRule", "the index " + String::number(index
) + " must be less than or equal to the length of the rule list.")); | 64 exceptionState.throwDOMException(IndexSizeError, "the index " + String::
number(index) + " must be less than or equal to the length of the rule list."); |
66 return 0; | 65 return 0; |
67 } | 66 } |
68 | 67 |
69 CSSStyleSheet* styleSheet = parentStyleSheet(); | 68 CSSStyleSheet* styleSheet = parentStyleSheet(); |
70 CSSParser parser(parserContext(), UseCounter::getFrom(styleSheet)); | 69 CSSParser parser(parserContext(), UseCounter::getFrom(styleSheet)); |
71 RefPtr<StyleRuleBase> newRule = parser.parseRule(styleSheet ? styleSheet->co
ntents() : 0, ruleString); | 70 RefPtr<StyleRuleBase> newRule = parser.parseRule(styleSheet ? styleSheet->co
ntents() : 0, ruleString); |
72 if (!newRule) { | 71 if (!newRule) { |
73 exceptionState.throwDOMException(SyntaxError, ExceptionMessages::failedT
oExecute("insertRule", "CSSGroupingRule", "the rule '" + ruleString + "' is inva
lid and cannot be parsed.")); | 72 exceptionState.throwDOMException(SyntaxError, "the rule '" + ruleString
+ "' is invalid and cannot be parsed."); |
74 return 0; | 73 return 0; |
75 } | 74 } |
76 | 75 |
77 if (newRule->isImportRule()) { | 76 if (newRule->isImportRule()) { |
78 // FIXME: an HierarchyRequestError should also be thrown for a @charset
or a nested | 77 // FIXME: an HierarchyRequestError should also be thrown for a @charset
or a nested |
79 // @media rule. They are currently not getting parsed, resulting in a Sy
ntaxError | 78 // @media rule. They are currently not getting parsed, resulting in a Sy
ntaxError |
80 // to get raised above. | 79 // to get raised above. |
81 exceptionState.throwDOMException(HierarchyRequestError, ExceptionMessage
s::failedToExecute("insertRule", "CSSGroupingRule", "'@import' rules cannot be i
nserted inside a group rule.")); | 80 exceptionState.throwDOMException(HierarchyRequestError, "'@import' rules
cannot be inserted inside a group rule."); |
82 return 0; | 81 return 0; |
83 } | 82 } |
84 CSSStyleSheet::RuleMutationScope mutationScope(this); | 83 CSSStyleSheet::RuleMutationScope mutationScope(this); |
85 | 84 |
86 m_groupRule->wrapperInsertRule(index, newRule); | 85 m_groupRule->wrapperInsertRule(index, newRule); |
87 | 86 |
88 m_childRuleCSSOMWrappers.insert(index, RefPtr<CSSRule>()); | 87 m_childRuleCSSOMWrappers.insert(index, RefPtr<CSSRule>()); |
89 return index; | 88 return index; |
90 } | 89 } |
91 | 90 |
92 void CSSGroupingRule::deleteRule(unsigned index, ExceptionState& exceptionState) | 91 void CSSGroupingRule::deleteRule(unsigned index, ExceptionState& exceptionState) |
93 { | 92 { |
94 ASSERT(m_childRuleCSSOMWrappers.size() == m_groupRule->childRules().size()); | 93 ASSERT(m_childRuleCSSOMWrappers.size() == m_groupRule->childRules().size()); |
95 | 94 |
96 if (index >= m_groupRule->childRules().size()) { | 95 if (index >= m_groupRule->childRules().size()) { |
97 exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::fail
edToExecute("deleteRule", "CSSGroupingRule", "the index " + String::number(index
) + " is greated than the length of the rule list.")); | 96 exceptionState.throwDOMException(IndexSizeError, "the index " + String::
number(index) + " is greated than the length of the rule list."); |
98 return; | 97 return; |
99 } | 98 } |
100 | 99 |
101 CSSStyleSheet::RuleMutationScope mutationScope(this); | 100 CSSStyleSheet::RuleMutationScope mutationScope(this); |
102 | 101 |
103 m_groupRule->wrapperRemoveRule(index); | 102 m_groupRule->wrapperRemoveRule(index); |
104 | 103 |
105 if (m_childRuleCSSOMWrappers[index]) | 104 if (m_childRuleCSSOMWrappers[index]) |
106 m_childRuleCSSOMWrappers[index]->setParentRule(0); | 105 m_childRuleCSSOMWrappers[index]->setParentRule(0); |
107 m_childRuleCSSOMWrappers.remove(index); | 106 m_childRuleCSSOMWrappers.remove(index); |
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144 { | 143 { |
145 ASSERT(rule); | 144 ASSERT(rule); |
146 m_groupRule = static_cast<StyleRuleGroup*>(rule); | 145 m_groupRule = static_cast<StyleRuleGroup*>(rule); |
147 for (unsigned i = 0; i < m_childRuleCSSOMWrappers.size(); ++i) { | 146 for (unsigned i = 0; i < m_childRuleCSSOMWrappers.size(); ++i) { |
148 if (m_childRuleCSSOMWrappers[i]) | 147 if (m_childRuleCSSOMWrappers[i]) |
149 m_childRuleCSSOMWrappers[i]->reattach(m_groupRule->childRules()[i].g
et()); | 148 m_childRuleCSSOMWrappers[i]->reattach(m_groupRule->childRules()[i].g
et()); |
150 } | 149 } |
151 } | 150 } |
152 | 151 |
153 } // namespace WebCore | 152 } // namespace WebCore |
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