| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef CustomElementConstructorBuilder_h |
| #define CustomElementConstructorBuilder_h |
| |
| #include "bindings/core/v8/ScriptValue.h" |
| #include "bindings/core/v8/V8CustomElementLifecycleCallbacks.h" |
| #include "core/dom/QualifiedName.h" |
| #include "core/dom/custom/CustomElementLifecycleCallbacks.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefPtr.h" |
| #include "wtf/text/AtomicString.h" |
| #include <v8.h> |
| |
| namespace blink { |
| |
| class CustomElementDefinition; |
| class Document; |
| class ElementRegistrationOptions; |
| class ExceptionState; |
| class QualifiedName; |
| struct WrapperTypeInfo; |
| |
| // Handles the scripting-specific parts of the Custom Elements element |
| // registration algorithm and constructor generation algorithm. It is |
| // used in the implementation of those algorithms in |
| // Document::registerElement. |
| class CustomElementConstructorBuilder { |
| WTF_MAKE_NONCOPYABLE(CustomElementConstructorBuilder); |
| public: |
| CustomElementConstructorBuilder(ScriptState*, const ElementRegistrationOptions&); |
| |
| // The builder accumulates state and may run script at specific |
| // points. These methods must be called in order. When one fails |
| // (returns false), the calls must stop. |
| |
| bool isFeatureAllowed() const; |
| bool validateOptions(const AtomicString& type, QualifiedName& tagName, ExceptionState&); |
| PassRefPtr<CustomElementLifecycleCallbacks> createCallbacks(); |
| bool createConstructor(Document*, CustomElementDefinition*, ExceptionState&); |
| bool didRegisterDefinition(CustomElementDefinition*) const; |
| |
| // This method collects a return value for the bindings. It is |
| // safe to call this method even if the builder failed; it will |
| // return an empty value. |
| ScriptValue bindingsReturnValue() const; |
| |
| private: |
| bool hasValidPrototypeChainFor(const WrapperTypeInfo*) const; |
| bool prototypeIsValid(const AtomicString& type, ExceptionState&) const; |
| v8::Handle<v8::Function> retrieveCallback(v8::Isolate*, const char* name); |
| |
| RefPtr<ScriptState> m_scriptState; |
| const ElementRegistrationOptions& m_options; |
| v8::Handle<v8::Object> m_prototype; |
| v8::Handle<v8::Function> m_constructor; |
| RefPtr<V8CustomElementLifecycleCallbacks> m_callbacks; |
| }; |
| |
| } // namespace blink |
| |
| #endif // CustomElementConstructorBuilder_h |