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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/dom/custom/CustomElement.h" | 5 #include "core/dom/custom/CustomElement.h" |
6 | 6 |
7 #include "core/dom/Document.h" | 7 #include "core/dom/Document.h" |
8 #include "core/dom/QualifiedName.h" | 8 #include "core/dom/QualifiedName.h" |
9 #include "core/dom/custom/CEReactionsScope.h" | 9 #include "core/dom/custom/CEReactionsScope.h" |
10 #include "core/dom/custom/CustomElementDefinition.h" | 10 #include "core/dom/custom/CustomElementDefinition.h" |
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71 "font-face", | 71 "font-face", |
72 "font-face-src", | 72 "font-face-src", |
73 "font-face-uri", | 73 "font-face-uri", |
74 "font-face-format", | 74 "font-face-format", |
75 "font-face-name", | 75 "font-face-name", |
76 "missing-glyph", | 76 "missing-glyph", |
77 })); | 77 })); |
78 return !hyphenContainingElementNames.contains(name); | 78 return !hyphenContainingElementNames.contains(name); |
79 } | 79 } |
80 | 80 |
81 bool CustomElement::shouldCreateCustomElement(Document& document, const AtomicSt
ring& localName) | 81 bool CustomElement::shouldCreateCustomElement(const AtomicString& localName) |
82 { | 82 { |
83 return RuntimeEnabledFeatures::customElementsV1Enabled() | 83 return RuntimeEnabledFeatures::customElementsV1Enabled() |
84 && isValidName(localName); | 84 && isValidName(localName); |
85 } | 85 } |
86 | 86 |
87 bool CustomElement::shouldCreateCustomElement(Document& document, const Qualifie
dName& tagName) | 87 bool CustomElement::shouldCreateCustomElement(const QualifiedName& tagName) |
88 { | 88 { |
89 return shouldCreateCustomElement(document, tagName.localName()) | 89 return shouldCreateCustomElement(tagName.localName()) |
90 && tagName.namespaceURI() == HTMLNames::xhtmlNamespaceURI; | 90 && tagName.namespaceURI() == HTMLNames::xhtmlNamespaceURI; |
91 } | 91 } |
92 | 92 |
93 static CustomElementDefinition* definitionForName(const Document& document, cons
t QualifiedName& name) | 93 static CustomElementDefinition* definitionForName(const Document& document, cons
t QualifiedName& name) |
94 { | 94 { |
95 if (CustomElementsRegistry* registry = CustomElement::registry(document)) | 95 if (CustomElementsRegistry* registry = CustomElement::registry(document)) |
96 return registry->definitionForName(name.localName()); | 96 return registry->definitionForName(name.localName()); |
97 return nullptr; | 97 return nullptr; |
98 } | 98 } |
99 | 99 |
100 HTMLElement* CustomElement::createCustomElementSync(Document& document, const At
omicString& localName, ExceptionState& exceptionState) | 100 HTMLElement* CustomElement::createCustomElementSync(Document& document, const At
omicString& localName, ExceptionState& exceptionState) |
101 { | 101 { |
102 return createCustomElementSync(document, | 102 return createCustomElementSync(document, |
103 QualifiedName(nullAtom, localName, HTMLNames::xhtmlNamespaceURI), | 103 QualifiedName(nullAtom, localName, HTMLNames::xhtmlNamespaceURI), |
104 exceptionState); | 104 exceptionState); |
105 } | 105 } |
106 | 106 |
107 HTMLElement* CustomElement::createCustomElementSync(Document& document, const Qu
alifiedName& tagName, ExceptionState& exceptionState) | 107 HTMLElement* CustomElement::createCustomElementSync(Document& document, const Qu
alifiedName& tagName, ExceptionState& exceptionState) |
108 { | 108 { |
109 CHECK(shouldCreateCustomElement(document, tagName)); | 109 CHECK(shouldCreateCustomElement(tagName)); |
110 | 110 |
111 // To create an element: | 111 // To create an element: |
112 // https://dom.spec.whatwg.org/#concept-create-element | 112 // https://dom.spec.whatwg.org/#concept-create-element |
113 // 6. If definition is non-null, then: | 113 // 6. If definition is non-null, then: |
114 // 6.1. If the synchronous custom elements flag is set: | 114 // 6.1. If the synchronous custom elements flag is set: |
115 if (CustomElementDefinition* definition = definitionForName(document, tagNam
e)) | 115 if (CustomElementDefinition* definition = definitionForName(document, tagNam
e)) |
116 return definition->createElementSync(document, tagName, exceptionState); | 116 return definition->createElementSync(document, tagName, exceptionState); |
117 | 117 |
118 return createUndefinedElement(document, tagName); | 118 return createUndefinedElement(document, tagName); |
119 } | 119 } |
120 | 120 |
121 HTMLElement* CustomElement::createCustomElementSync(Document& document, const Qu
alifiedName& tagName) | 121 HTMLElement* CustomElement::createCustomElementSync(Document& document, const Qu
alifiedName& tagName) |
122 { | 122 { |
123 CHECK(shouldCreateCustomElement(document, tagName)); | 123 CHECK(shouldCreateCustomElement(tagName)); |
124 | 124 |
125 // When invoked from "create an element for a token": | 125 // When invoked from "create an element for a token": |
126 // https://html.spec.whatwg.org/multipage/syntax.html#create-an-element-for-
the-token | 126 // https://html.spec.whatwg.org/multipage/syntax.html#create-an-element-for-
the-token |
127 // 7. If this step throws an exception, then report the exception, | 127 // 7. If this step throws an exception, then report the exception, |
128 // and let element be instead a new element that implements | 128 // and let element be instead a new element that implements |
129 // HTMLUnknownElement. | 129 // HTMLUnknownElement. |
130 if (CustomElementDefinition* definition = definitionForName(document, tagNam
e)) | 130 if (CustomElementDefinition* definition = definitionForName(document, tagNam
e)) |
131 return definition->createElementSync(document, tagName); | 131 return definition->createElementSync(document, tagName); |
132 | 132 |
133 return createUndefinedElement(document, tagName); | 133 return createUndefinedElement(document, tagName); |
134 } | 134 } |
135 | 135 |
136 HTMLElement* CustomElement::createCustomElementAsync(Document& document, const Q
ualifiedName& tagName) | 136 HTMLElement* CustomElement::createCustomElementAsync(Document& document, const Q
ualifiedName& tagName) |
137 { | 137 { |
138 CHECK(shouldCreateCustomElement(document, tagName)); | 138 CHECK(shouldCreateCustomElement(tagName)); |
139 | 139 |
140 // To create an element: | 140 // To create an element: |
141 // https://dom.spec.whatwg.org/#concept-create-element | 141 // https://dom.spec.whatwg.org/#concept-create-element |
142 // 6. If definition is non-null, then: | 142 // 6. If definition is non-null, then: |
143 // 6.2. If the synchronous custom elements flag is not set: | 143 // 6.2. If the synchronous custom elements flag is not set: |
144 if (CustomElementDefinition* definition = definitionForName(document, tagNam
e)) | 144 if (CustomElementDefinition* definition = definitionForName(document, tagNam
e)) |
145 return definition->createElementAsync(document, tagName); | 145 return definition->createElementAsync(document, tagName); |
146 | 146 |
147 return createUndefinedElement(document, tagName); | 147 return createUndefinedElement(document, tagName); |
148 } | 148 } |
149 | 149 |
150 HTMLElement* CustomElement::createUndefinedElement(Document& document, const Qua
lifiedName& tagName) | 150 HTMLElement* CustomElement::createUndefinedElement(Document& document, const Qua
lifiedName& tagName) |
151 { | 151 { |
152 DCHECK(shouldCreateCustomElement(document, tagName)); | 152 DCHECK(shouldCreateCustomElement(tagName)); |
153 | 153 |
154 HTMLElement* element; | 154 HTMLElement* element; |
155 if (V0CustomElement::isValidName(tagName.localName()) && document.registrati
onContext()) { | 155 if (V0CustomElement::isValidName(tagName.localName()) && document.registrati
onContext()) { |
156 Element* v0element = document.registrationContext()->createCustomTagElem
ent(document, tagName); | 156 Element* v0element = document.registrationContext()->createCustomTagElem
ent(document, tagName); |
157 SECURITY_DCHECK(v0element->isHTMLElement()); | 157 SECURITY_DCHECK(v0element->isHTMLElement()); |
158 element = toHTMLElement(v0element); | 158 element = toHTMLElement(v0element); |
159 } else { | 159 } else { |
160 element = HTMLElement::create(tagName, document); | 160 element = HTMLElement::create(tagName, document); |
161 } | 161 } |
162 | 162 |
163 element->setCustomElementState(CustomElementState::Undefined); | 163 element->setCustomElementState(CustomElementState::Undefined); |
164 | 164 |
165 return element; | 165 return element; |
166 } | 166 } |
167 | 167 |
168 HTMLElement* CustomElement::createFailedElement(Document& document, const Qualif
iedName& tagName) | 168 HTMLElement* CustomElement::createFailedElement(Document& document, const Qualif
iedName& tagName) |
169 { | 169 { |
170 DCHECK(shouldCreateCustomElement(document, tagName)); | 170 DCHECK(shouldCreateCustomElement(tagName)); |
171 | 171 |
172 // "create an element for a token": | 172 // "create an element for a token": |
173 // https://html.spec.whatwg.org/multipage/syntax.html#create-an-element-for-
the-token | 173 // https://html.spec.whatwg.org/multipage/syntax.html#create-an-element-for-
the-token |
174 | 174 |
175 // 7. If this step throws an exception, let element be instead a new element | 175 // 7. If this step throws an exception, let element be instead a new element |
176 // that implements HTMLUnknownElement, with no attributes, namespace set to | 176 // that implements HTMLUnknownElement, with no attributes, namespace set to |
177 // given namespace, namespace prefix set to null, custom element state set | 177 // given namespace, namespace prefix set to null, custom element state set |
178 // to "failed", and node document set to document. | 178 // to "failed", and node document set to document. |
179 | 179 |
180 HTMLElement* element = HTMLUnknownElement::create(tagName, document); | 180 HTMLElement* element = HTMLUnknownElement::create(tagName, document); |
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240 CustomElementsRegistry* registry = CustomElement::registry(*element); | 240 CustomElementsRegistry* registry = CustomElement::registry(*element); |
241 if (!registry) | 241 if (!registry) |
242 return; | 242 return; |
243 if (CustomElementDefinition* definition = registry->definitionForName(elemen
t->localName())) | 243 if (CustomElementDefinition* definition = registry->definitionForName(elemen
t->localName())) |
244 definition->enqueueUpgradeReaction(element); | 244 definition->enqueueUpgradeReaction(element); |
245 else | 245 else |
246 registry->addCandidate(element); | 246 registry->addCandidate(element); |
247 } | 247 } |
248 | 248 |
249 } // namespace blink | 249 } // namespace blink |
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