src/third_party/WebKit/Source/core/dom/custom/CustomElement.cpp

   1 /*
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   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.
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  15  *    may be used to endorse or promote products derived from this
  16  *    software without specific prior written permission.
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  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  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
  45 CustomElementMicrotaskImportStep* CustomElement::didCreateImport(HTMLImportChild* import)
  46 {
  47     return CustomElementScheduler::scheduleImport(import);
  48 }
  49
  50 void CustomElement::didFinishLoadingImport(Document& master)
  51 {
  52     master.customElementMicrotaskRunQueue()->requestDispatchIfNeeded();
  53 }
  54
  55 Vector<AtomicString>& CustomElement::embedderCustomElementNames()
  56 {
  57     DEFINE_STATIC_LOCAL(Vector<AtomicString>, names, ());
  58     return names;
  59 }
  60
  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
  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
  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
 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
 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
 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
 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