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
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * 3. Neither the name of Google Inc. nor the names of its contributors
15 * may be used to endorse or promote products derived from this
16 * 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 #include "config.h"
32 #include "core/dom/custom/CustomElement.h"
33
34 #include "core/HTMLNames.h"
35 #include "core/MathMLNames.h"
36 #include "core/SVGNames.h"
37 #include "core/dom/Document.h"
38 #include "core/dom/Element.h"
39 #include "core/dom/custom/CustomElementMicrotaskRunQueue.h"
40 #include "core/dom/custom/CustomElementObserver.h"
41 #include "core/dom/custom/CustomElementScheduler.h"
42
43 namespace blink {
44
didCreateImport(HTMLImportChild * import)45 CustomElementMicrotaskImportStep* CustomElement::didCreateImport(HTMLImportChild* import)
46 {
47 return CustomElementScheduler::scheduleImport(import);
48 }
49
didFinishLoadingImport(Document & master)50 void CustomElement::didFinishLoadingImport(Document& master)
51 {
52 master.customElementMicrotaskRunQueue()->requestDispatchIfNeeded();
53 }
54
embedderCustomElementNames()55 Vector<AtomicString>& CustomElement::embedderCustomElementNames()
56 {
57 DEFINE_STATIC_LOCAL(Vector<AtomicString>, names, ());
58 return names;
59 }
60
addEmbedderCustomElementName(const AtomicString & name)61 void CustomElement::addEmbedderCustomElementName(const AtomicString& name)
62 {
63 AtomicString lower = name.lower();
64 if (isValidName(lower, EmbedderNames))
65 return;
66 embedderCustomElementNames().append(lower);
67 }
68
isValidName(const AtomicString & name,NameSet validNames)69 bool CustomElement::isValidName(const AtomicString& name, NameSet validNames)
70 {
71 if ((validNames & EmbedderNames) && kNotFound != embedderCustomElementNames().find(name))
72 return Document::isValidName(name);
73
74 if ((validNames & StandardNames) && kNotFound != name.find('-')) {
75 DEFINE_STATIC_LOCAL(Vector<AtomicString>, reservedNames, ());
76 if (reservedNames.isEmpty()) {
77 reservedNames.append(MathMLNames::annotation_xmlTag.localName());
78 #if ENABLE(SVG_FONTS)
79 reservedNames.append(SVGNames::font_faceTag.localName());
80 reservedNames.append(SVGNames::font_face_srcTag.localName());
81 reservedNames.append(SVGNames::font_face_uriTag.localName());
82 reservedNames.append(SVGNames::font_face_formatTag.localName());
83 reservedNames.append(SVGNames::font_face_nameTag.localName());
84 reservedNames.append(SVGNames::missing_glyphTag.localName());
85 #endif
86 }
87
88 if (kNotFound == reservedNames.find(name))
89 return Document::isValidName(name.string());
90 }
91
92 return false;
93 }
94
define(Element * element,PassRefPtr<CustomElementDefinition> passDefinition)95 void CustomElement::define(Element* element, PassRefPtr<CustomElementDefinition> passDefinition)
96 {
97 RefPtr<CustomElementDefinition> definition(passDefinition);
98
99 switch (element->customElementState()) {
100 case Element::NotCustomElement:
101 case Element::Upgraded:
102 ASSERT_NOT_REACHED();
103 break;
104
105 case Element::WaitingForUpgrade:
106 element->setCustomElementDefinition(definition);
107 CustomElementScheduler::scheduleCallback(definition->callbacks(), element, CustomElementLifecycleCallbacks::CreatedCallback);
108 break;
109 }
110 }
111
attributeDidChange(Element * element,const AtomicString & name,const AtomicString & oldValue,const AtomicString & newValue)112 void CustomElement::attributeDidChange(Element* element, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
113 {
114 ASSERT(element->customElementState() == Element::Upgraded);
115 CustomElementScheduler::scheduleAttributeChangedCallback(element->customElementDefinition()->callbacks(), element, name, oldValue, newValue);
116 }
117
didAttach(Element * element,const Document & document)118 void CustomElement::didAttach(Element* element, const Document& document)
119 {
120 ASSERT(element->customElementState() == Element::Upgraded);
121 if (!document.domWindow())
122 return;
123 CustomElementScheduler::scheduleCallback(element->customElementDefinition()->callbacks(), element, CustomElementLifecycleCallbacks::AttachedCallback);
124 }
125
didDetach(Element * element,const Document & document)126 void CustomElement::didDetach(Element* element, const Document& document)
127 {
128 ASSERT(element->customElementState() == Element::Upgraded);
129 if (!document.domWindow())
130 return;
131 CustomElementScheduler::scheduleCallback(element->customElementDefinition()->callbacks(), element, CustomElementLifecycleCallbacks::DetachedCallback);
132 }
133
wasDestroyed(Element * element)134 void CustomElement::wasDestroyed(Element* element)
135 {
136 switch (element->customElementState()) {
137 case Element::NotCustomElement:
138 ASSERT_NOT_REACHED();
139 break;
140
141 case Element::WaitingForUpgrade:
142 case Element::Upgraded:
143 CustomElementObserver::notifyElementWasDestroyed(element);
144 break;
145 }
146 }
147
148 } // namespace blink
149