2 * Copyright (C) 2013 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
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
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.
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.
31 #ifndef CustomElementConstructorBuilder_h
32 #define CustomElementConstructorBuilder_h
34 #include "bindings/v8/ScriptValue.h"
35 #include "bindings/v8/V8CustomElementLifecycleCallbacks.h"
36 #include "core/dom/QualifiedName.h"
37 #include "core/dom/custom/CustomElementLifecycleCallbacks.h"
38 #include "wtf/Noncopyable.h"
39 #include "wtf/PassRefPtr.h"
40 #include "wtf/RefPtr.h"
41 #include "wtf/text/AtomicString.h"
46 class CustomElementDefinition;
53 class V8PerContextData;
54 struct WrapperTypeInfo;
56 // Handles the scripting-specific parts of the Custom Elements element
57 // registration algorithm and constructor generation algorithm. It is
58 // used in the implementation of those algorithms in
59 // Document::registerElement.
60 class CustomElementConstructorBuilder {
61 WTF_MAKE_NONCOPYABLE(CustomElementConstructorBuilder);
63 CustomElementConstructorBuilder(ScriptState*, const Dictionary* options);
65 // The builder accumulates state and may run script at specific
66 // points. These methods must be called in order. When one fails
67 // (returns false), the calls must stop.
69 bool isFeatureAllowed() const;
70 bool validateOptions(const AtomicString& type, QualifiedName& tagName, ExceptionState&);
71 PassRefPtr<CustomElementLifecycleCallbacks> createCallbacks();
72 bool createConstructor(Document*, CustomElementDefinition*, ExceptionState&);
73 bool didRegisterDefinition(CustomElementDefinition*) const;
75 // This method collects a return value for the bindings. It is
76 // safe to call this method even if the builder failed; it will
77 // return an empty value.
78 ScriptValue bindingsReturnValue() const;
81 bool hasValidPrototypeChainFor(const WrapperTypeInfo*) const;
82 bool prototypeIsValid(const AtomicString& type, ExceptionState&) const;
83 v8::Handle<v8::Function> retrieveCallback(v8::Isolate*, const char* name);
85 v8::Handle<v8::Context> m_context;
86 const Dictionary* m_options;
87 v8::Handle<v8::Object> m_prototype;
88 const WrapperTypeInfo* m_wrapperType;
89 v8::Handle<v8::Function> m_constructor;
90 RefPtr<V8CustomElementLifecycleCallbacks> m_callbacks;
95 #endif // CustomElementConstructorBuilder_h