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/*
* 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/v8/ScriptValue.h"
#include "bindings/v8/V8CustomElementLifecycleCallbacks.h"
#include "core/dom/CustomElementLifecycleCallbacks.h"
#include "core/dom/QualifiedName.h"
#include "wtf/Noncopyable.h"
#include "wtf/PassRefPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/text/AtomicString.h"
#include <v8.h>
namespace WebCore {
class CustomElementDefinition;
class Dictionary;
class Document;
class Element;
class ExceptionState;
class QualifiedName;
class ScriptState;
class V8PerContextData;
class 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 Dictionary* options);
// 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, ExceptionState&);
bool findTagName(const AtomicString& customElementType, QualifiedName& tagName);
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:
static WrapperTypeInfo* findWrapperType(v8::Handle<v8::Value> chain);
bool hasValidPrototypeChainFor(V8PerContextData*, WrapperTypeInfo*) const;
bool prototypeIsValid(const AtomicString& type, ExceptionState&) const;
v8::Handle<v8::Function> retrieveCallback(v8::Isolate*, const char* name);
v8::Handle<v8::Context> m_context;
const Dictionary* m_options;
v8::Handle<v8::Object> m_prototype;
WrapperTypeInfo* m_wrapperType;
AtomicString m_namespaceURI;
v8::Handle<v8::Function> m_constructor;
RefPtr<V8CustomElementLifecycleCallbacks> m_callbacks;
};
}
#endif // CustomElementConstructorBuilder_h
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