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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 THIRD_PARTY_BLINK_RENDERER_BINDINGS_CORE_V8_V0_CUSTOM_ELEMENT_CONSTRUCTOR_BUILDER_H_
#define THIRD_PARTY_BLINK_RENDERER_BINDINGS_CORE_V8_V0_CUSTOM_ELEMENT_CONSTRUCTOR_BUILDER_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/bindings/core/v8/script_value.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_v0_custom_element_lifecycle_callbacks.h"
#include "third_party/blink/renderer/core/dom/qualified_name.h"
#include "third_party/blink/renderer/core/html/custom/v0_custom_element_lifecycle_callbacks.h"
#include "third_party/blink/renderer/platform/wtf/text/atomic_string.h"
#include "v8/include/v8.h"
namespace blink {
class V0CustomElementDefinition;
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 V0CustomElementConstructorBuilder {
WTF_MAKE_NONCOPYABLE(V0CustomElementConstructorBuilder);
STACK_ALLOCATED();
public:
V0CustomElementConstructorBuilder(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& tag_name,
ExceptionState&);
V0CustomElementLifecycleCallbacks* CreateCallbacks();
bool CreateConstructor(Document*,
V0CustomElementDefinition*,
ExceptionState&);
bool DidRegisterDefinition() 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::MaybeLocal<v8::Function> RetrieveCallback(const char* name);
Member<ScriptState> script_state_;
const ElementRegistrationOptions& options_;
v8::Local<v8::Object> prototype_;
v8::Local<v8::Function> constructor_;
Member<V8V0CustomElementLifecycleCallbacks> callbacks_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_BINDINGS_CORE_V8_V0_CUSTOM_ELEMENT_CONSTRUCTOR_BUILDER_H_
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