third_party/WebKit/Source/bindings/core/v8/CustomElementConstructorBuilder.h - 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) 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 are

6 * met:

7 *

8 * * Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.

10 * * Redistributions in binary form must reproduce the above

11 * copyright notice, this list of conditions and the following disclaimer

12 * in the documentation and/or other materials provided with the

13 * distribution.

14 * * Neither the name of Google Inc. nor the names of its

15 * contributors may be used to endorse or promote products derived from

16 * this 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 #ifndef CustomElementConstructorBuilder_h

32 #define CustomElementConstructorBuilder_h

33

34 #include "bindings/core/v8/ScriptValue.h"

35 #include "bindings/core/v8/V8CustomElementLifecycleCallbacks.h"

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

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

38 #include "wtf/PassRefPtr.h"

39 #include "wtf/RefPtr.h"

40 #include "wtf/text/AtomicString.h"

41 #include <v8.h>

42

43 namespace blink {

44

45 class CustomElementDefinition;

46 class Document;

47 class ElementRegistrationOptions;

48 class ExceptionState;

49 class QualifiedName;

50 struct WrapperTypeInfo;

51

52 // Handles the scripting-specific parts of the Custom Elements element

53 // registration algorithm and constructor generation algorithm. It is

54 // used in the implementation of those algorithms in

55 // Document::registerElement.

56 class CustomElementConstructorBuilder {

57 WTF_MAKE_NONCOPYABLE(CustomElementConstructorBuilder);

58 STACK_ALLOCATED();

59 public:

60 CustomElementConstructorBuilder(ScriptState*, const ElementRegistrationOptio ns&);

61

62 // The builder accumulates state and may run script at specific

63 // points. These methods must be called in order. When one fails

64 // (returns false), the calls must stop.

65

66 bool isFeatureAllowed() const;

67 bool validateOptions(const AtomicString& type, QualifiedName& tagName, Excep tionState&);

68 CustomElementLifecycleCallbacks* createCallbacks();

69 bool createConstructor(Document, CustomElementDefinition, ExceptionState&) ;

70 bool didRegisterDefinition() const;

71

72 // This method collects a return value for the bindings. It is

73 // safe to call this method even if the builder failed; it will

74 // return an empty value.

75 ScriptValue bindingsReturnValue() const;

76

77 private:

78 bool hasValidPrototypeChainFor(const WrapperTypeInfo*) const;

79 bool prototypeIsValid(const AtomicString& type, ExceptionState&) const;

80 v8::MaybeLocal<v8::Function> retrieveCallback(const char* name);

81

82 RefPtr<ScriptState> m_scriptState;

83 const ElementRegistrationOptions& m_options;

84 v8::Local<v8::Object> m_prototype;

85 v8::Local<v8::Function> m_constructor;

86 Member<V8CustomElementLifecycleCallbacks> m_callbacks;

87 };

88

89 } // namespace blink

90

91 #endif // CustomElementConstructorBuilder_h

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