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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 #ifndef CustomElementsRegistry_h | 5 #ifndef CustomElementsRegistry_h |
6 #define CustomElementsRegistry_h | 6 #define CustomElementsRegistry_h |
7 | 7 |
8 #include "bindings/core/v8/ScriptWrappable.h" | 8 #include "bindings/core/v8/ScriptWrappable.h" |
9 #include "core/CoreExport.h" | 9 #include "core/CoreExport.h" |
| 10 #include "platform/heap/Handle.h" |
| 11 #include "v8.h" |
| 12 #include "wtf/HashSet.h" |
| 13 #include "wtf/text/AtomicString.h" |
| 14 #include "wtf/text/AtomicStringHash.h" |
10 | 15 |
11 namespace blink { | 16 namespace blink { |
12 | 17 |
| 18 class CustomElementDefinition; |
13 class ElementRegistrationOptions; | 19 class ElementRegistrationOptions; |
14 class ExceptionState; | 20 class ExceptionState; |
15 class ScriptState; | 21 class ScriptState; |
16 class ScriptValue; | 22 class ScriptValue; |
17 | 23 |
18 class CORE_EXPORT CustomElementsRegistry final | 24 class CORE_EXPORT CustomElementsRegistry final |
19 : public GarbageCollected<CustomElementsRegistry> | 25 : public GarbageCollectedFinalized<CustomElementsRegistry> |
20 , public ScriptWrappable { | 26 , public ScriptWrappable { |
21 DEFINE_WRAPPERTYPEINFO(); | 27 DEFINE_WRAPPERTYPEINFO(); |
22 public: | 28 public: |
23 static CustomElementsRegistry* create() | 29 static CustomElementsRegistry* create(ScriptState*); |
24 { | |
25 return new CustomElementsRegistry(); | |
26 } | |
27 | 30 |
28 void define(ScriptState*, const AtomicString& name, | 31 void define( |
29 const ScriptValue& constructor, const ElementRegistrationOptions&, | 32 ScriptState*, |
| 33 const AtomicString& name, |
| 34 const ScriptValue& constructor, |
| 35 const ElementRegistrationOptions&, |
30 ExceptionState&); | 36 ExceptionState&); |
31 | 37 |
| 38 CustomElementDefinition* definitionForConstructor( |
| 39 v8::Handle<v8::Context>, |
| 40 v8::Handle<v8::Value>); |
| 41 |
| 42 // TODO(dominicc): Remove this when V0CustomElements are removed. |
| 43 bool nameIsDefined(const AtomicString&) const; |
| 44 |
| 45 void setWrapperReferences( |
| 46 v8::Isolate*, |
| 47 const v8::Persistent<v8::Object>& wrapper) const; |
| 48 |
32 DECLARE_TRACE(); | 49 DECLARE_TRACE(); |
33 | 50 |
34 private: | 51 private: |
35 CustomElementsRegistry(); | 52 CustomElementsRegistry(v8::Isolate*); |
| 53 |
| 54 // This maps Custom Element constructors to an index in the list |
| 55 // of defined elements. This handle is not weak because it does |
| 56 // not keep user-accessible objects alive: the keys are already |
| 57 // weak (it is a weak map) and the values are numbers (not |
| 58 // NumberObjects) which don't refer to anything else. |
| 59 v8::Persistent<v8::NativeWeakMap> m_constructorIdMap; |
| 60 |
| 61 HeapVector<Member<CustomElementDefinition>> m_definitions; |
| 62 HashSet<AtomicString> m_names; |
36 }; | 63 }; |
37 | 64 |
38 } // namespace blink | 65 } // namespace blink |
39 | 66 |
40 #endif // CustomElementsRegistry_h | 67 #endif // CustomElementsRegistry_h |
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