third_party/WebKit/Source/core/dom/custom/CustomElementRegistry.cpp - Issue 1914923002: Rename all existing custom element classes as V0

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Issue 1914923002: Rename all existing custom element classes as V0 (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: CustomElementV0 -> V0CustomElement Created 4 years, 7 months ago

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1 /*

2 * Copyright (C) 2012 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 "core/dom/custom/CustomElementRegistry.h"

32

33 #include "bindings/core/v8/CustomElementConstructorBuilder.h"

34 #include "core/HTMLNames.h"

35 #include "core/SVGNames.h"

36 #include "core/dom/DocumentLifecycleObserver.h"

37 #include "core/dom/custom/CustomElementException.h"

38 #include "core/dom/custom/CustomElementRegistrationContext.h"

39

40 namespace blink {

41

42 CustomElementDefinition* CustomElementRegistry::registerElement(Document* docume nt, CustomElementConstructorBuilder* constructorBuilder, const AtomicString& use rSuppliedName, CustomElement::NameSet validNames, ExceptionState& exceptionState )

43 {

44 AtomicString type = userSuppliedName.lower();

45

46 if (!constructorBuilder->isFeatureAllowed()) {

47 CustomElementException::throwException(CustomElementException::CannotReg isterFromExtension, type, exceptionState);

48 return 0;

49 }

50

51 if (!CustomElement::isValidName(type, validNames)) {

52 CustomElementException::throwException(CustomElementException::InvalidNa me, type, exceptionState);

53 return 0;

54 }

55

56 if (m_registeredTypeNames.contains(type)) {

57 CustomElementException::throwException(CustomElementException::TypeAlrea dyRegistered, type, exceptionState);

58 return 0;

59 }

60

61 QualifiedName tagName = QualifiedName::null();

62 if (!constructorBuilder->validateOptions(type, tagName, exceptionState))

63 return 0;

64

65 DCHECK(tagName.namespaceURI() == HTMLNames::xhtmlNamespaceURI \|\| tagName.nam espaceURI() == SVGNames::svgNamespaceURI);

66

67 DCHECK(!m_documentWasDetached);

68

69 CustomElementLifecycleCallbacks* lifecycleCallbacks = constructorBuilder->cr eateCallbacks();

70

71 // Consulting the constructor builder could execute script and

72 // kill the document.

73 if (m_documentWasDetached) {

74 CustomElementException::throwException(CustomElementException::ContextDe stroyedCreatingCallbacks, type, exceptionState);

75 return 0;

76 }

77

78 const CustomElementDescriptor descriptor(type, tagName.namespaceURI(), tagNa me.localName());

79 CustomElementDefinition* definition = CustomElementDefinition::create(descri ptor, lifecycleCallbacks);

80

81 if (!constructorBuilder->createConstructor(document, definition, exceptionSt ate))

82 return 0;

83

84 m_definitions.add(descriptor, definition);

85 m_registeredTypeNames.add(descriptor.type());

86

87 if (!constructorBuilder->didRegisterDefinition()) {

88 CustomElementException::throwException(CustomElementException::ContextDe stroyedRegisteringDefinition, type, exceptionState);

89 return 0;

90 }

91

92 return definition;

93 }

94

95 CustomElementDefinition* CustomElementRegistry::find(const CustomElementDescript or& descriptor) const

96 {

97 return m_definitions.get(descriptor);

98 }

99

100 DEFINE_TRACE(CustomElementRegistry)

101 {

102 visitor->trace(m_definitions);

103 }

104

105 } // namespace blink

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