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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 CustomElementDefinition_h | 5 #ifndef CustomElementDefinition_h |
6 #define CustomElementDefinition_h | 6 #define CustomElementDefinition_h |
7 | 7 |
8 #include "bindings/core/v8/ScriptValue.h" | 8 #include "bindings/core/v8/ScriptValue.h" |
9 #include "core/CoreExport.h" | 9 #include "core/CoreExport.h" |
10 #include "core/dom/custom/CustomElementDescriptor.h" | 10 #include "core/dom/custom/CustomElementDescriptor.h" |
11 #include "platform/heap/Handle.h" | 11 #include "platform/heap/Handle.h" |
| 12 #include "wtf/HashSet.h" |
12 #include "wtf/Noncopyable.h" | 13 #include "wtf/Noncopyable.h" |
| 14 #include "wtf/text/AtomicString.h" |
| 15 #include "wtf/text/AtomicStringHash.h" |
13 | 16 |
14 namespace blink { | 17 namespace blink { |
15 | 18 |
16 class Element; | 19 class Element; |
17 class ExceptionState; | 20 class ExceptionState; |
18 class HTMLElement; | 21 class HTMLElement; |
19 class QualifiedName; | 22 class QualifiedName; |
20 | 23 |
21 class CORE_EXPORT CustomElementDefinition | 24 class CORE_EXPORT CustomElementDefinition |
22 : public GarbageCollectedFinalized<CustomElementDefinition> { | 25 : public GarbageCollectedFinalized<CustomElementDefinition> { |
23 WTF_MAKE_NONCOPYABLE(CustomElementDefinition); | 26 WTF_MAKE_NONCOPYABLE(CustomElementDefinition); |
24 public: | 27 public: |
25 CustomElementDefinition(const CustomElementDescriptor&); | 28 CustomElementDefinition(const CustomElementDescriptor&); |
| 29 CustomElementDefinition(const CustomElementDescriptor&, |
| 30 const HashSet<AtomicString>&); |
26 virtual ~CustomElementDefinition(); | 31 virtual ~CustomElementDefinition(); |
27 | 32 |
28 DECLARE_VIRTUAL_TRACE(); | 33 DECLARE_VIRTUAL_TRACE(); |
29 | 34 |
30 const CustomElementDescriptor& descriptor() { return m_descriptor; } | 35 const CustomElementDescriptor& descriptor() { return m_descriptor; } |
31 | 36 |
32 // TODO(yosin): To support Web Modules, introduce an abstract | 37 // TODO(yosin): To support Web Modules, introduce an abstract |
33 // class |CustomElementConstructor| to allow us to have JavaScript | 38 // class |CustomElementConstructor| to allow us to have JavaScript |
34 // and C++ constructors and ask the binding layer to convert | 39 // and C++ constructors and ask the binding layer to convert |
35 // |CustomElementConstructor| to |ScriptValue|. Replace | 40 // |CustomElementConstructor| to |ScriptValue|. Replace |
36 // |getConstructorForScript()| by |getConstructor() -> | 41 // |getConstructorForScript()| by |getConstructor() -> |
37 // CustomElementConstructor|. | 42 // CustomElementConstructor|. |
38 virtual ScriptValue getConstructorForScript() = 0; | 43 virtual ScriptValue getConstructorForScript() = 0; |
39 | 44 |
40 using ConstructionStack = HeapVector<Member<Element>, 1>; | 45 using ConstructionStack = HeapVector<Member<Element>, 1>; |
41 ConstructionStack& constructionStack() | 46 ConstructionStack& constructionStack() |
42 { | 47 { |
43 return m_constructionStack; | 48 return m_constructionStack; |
44 } | 49 } |
45 | 50 |
46 virtual HTMLElement* createElementSync(Document&, const QualifiedName&) = 0; | 51 virtual HTMLElement* createElementSync(Document&, const QualifiedName&) = 0; |
47 virtual HTMLElement* createElementSync(Document&, const QualifiedName&, Exce
ptionState&) = 0; | 52 virtual HTMLElement* createElementSync(Document&, const QualifiedName&, Exce
ptionState&) = 0; |
48 HTMLElement* createElementAsync(Document&, const QualifiedName&); | 53 HTMLElement* createElementAsync(Document&, const QualifiedName&); |
49 | 54 |
50 void upgrade(Element*); | 55 void upgrade(Element*); |
51 | 56 |
52 // TODO(kojii): Change these methods to pure when script-side is implemented
. | 57 virtual bool hasConnectedCallback() const = 0; |
53 virtual bool hasConnectedCallback() const { return true; } | 58 virtual bool hasDisconnectedCallback() const = 0; |
54 virtual bool hasDisconnectedCallback() const { return true; } | 59 bool hasAttributeChangedCallback(const QualifiedName&); |
55 virtual bool hasAttributeChangedCallback(const QualifiedName&) const { retur
n true; } | |
56 | 60 |
57 virtual void runConnectedCallback(Element*) {} | 61 virtual void runConnectedCallback(Element*) = 0; |
58 virtual void runDisconnectedCallback(Element*) {} | 62 virtual void runDisconnectedCallback(Element*) = 0; |
59 virtual void runAttributeChangedCallback(Element*, const QualifiedName&, | 63 virtual void runAttributeChangedCallback(Element*, const QualifiedName&, |
60 const AtomicString& oldValue, const AtomicString& newValue) {} | 64 const AtomicString& oldValue, const AtomicString& newValue) = 0; |
61 | 65 |
62 void enqueueUpgradeReaction(Element*); | 66 void enqueueUpgradeReaction(Element*); |
63 void enqueueConnectedCallback(Element*); | 67 void enqueueConnectedCallback(Element*); |
64 void enqueueDisconnectedCallback(Element*); | 68 void enqueueDisconnectedCallback(Element*); |
65 void enqueueAttributeChangedCallback(Element*, const QualifiedName&, | 69 void enqueueAttributeChangedCallback(Element*, const QualifiedName&, |
66 const AtomicString& oldValue, const AtomicString& newValue); | 70 const AtomicString& oldValue, const AtomicString& newValue); |
67 | 71 |
68 protected: | 72 protected: |
69 virtual bool runConstructor(Element*) = 0; | 73 virtual bool runConstructor(Element*) = 0; |
70 | 74 |
71 static void checkConstructorResult(Element*, Document&, const QualifiedName&
, ExceptionState&); | 75 static void checkConstructorResult(Element*, Document&, const QualifiedName&
, ExceptionState&); |
72 | 76 |
| 77 HashSet<AtomicString> m_observedAttributes; |
| 78 |
73 private: | 79 private: |
74 const CustomElementDescriptor m_descriptor; | 80 const CustomElementDescriptor m_descriptor; |
75 ConstructionStack m_constructionStack; | 81 ConstructionStack m_constructionStack; |
| 82 |
| 83 void enqueueAttributeChangedCallbackForAllAttributes(Element*); |
76 }; | 84 }; |
77 | 85 |
78 } // namespace blink | 86 } // namespace blink |
79 | 87 |
80 #endif // CustomElementDefinition_h | 88 #endif // CustomElementDefinition_h |
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