root/Source/bindings/v8/V8DOMConfiguration.h

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INCLUDED FROM


/*
 * Copyright (C) 2012 Google Inc. All rights reserved.
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 *
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 *     notice, this list of conditions and the following disclaimer.
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 *     from this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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#ifndef V8DOMConfiguration_h
#define V8DOMConfiguration_h

#include "bindings/v8/V8DOMWrapper.h"
#include <v8.h>

namespace WebCore {

class V8DOMConfiguration {
public:
    // The following Configuration structs and install methods are used for
    // setting multiple properties on an ObjectTemplate, used from the
    // generated bindings initialization (ConfigureXXXTemplate). This greatly
    // reduces the binary size by moving from code driven setup to data table
    // driven setup.

    // AttributeConfiguration translates into calls to SetAccessor() on either
    // the instance or the prototype ObjectTemplate, based on |onPrototype|.
    struct AttributeConfiguration {
        const char* const name;
        v8::AccessorGetterCallback getter;
        v8::AccessorSetterCallback setter;
        v8::AccessorGetterCallback getterForMainWorld;
        v8::AccessorSetterCallback setterForMainWorld;
        const WrapperTypeInfo* data;
        v8::AccessControl settings;
        v8::PropertyAttribute attribute;
        bool onPrototype;
    };

    // AccessorConfiguration translates into calls to SetAccessorProperty()
    // on prototype ObjectTemplate.
    struct AccessorConfiguration {
        const char* const name;
        v8::FunctionCallback getter;
        v8::FunctionCallback setter;
        v8::FunctionCallback getterForMainWorld;
        v8::FunctionCallback setterForMainWorld;
        const WrapperTypeInfo* data;
        v8::AccessControl settings;
        v8::PropertyAttribute attribute;
    };

    static void installAttributes(v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::ObjectTemplate>, const AttributeConfiguration*, size_t attributeCount, v8::Isolate*);

    template<class ObjectOrTemplate>
    static inline void installAttribute(v8::Handle<ObjectOrTemplate> instanceTemplate, v8::Handle<ObjectOrTemplate> prototype, const AttributeConfiguration& attribute, v8::Isolate* isolate)
    {
        v8::AccessorGetterCallback getter = attribute.getter;
        v8::AccessorSetterCallback setter = attribute.setter;
        if (DOMWrapperWorld::current(isolate).isMainWorld()) {
            if (attribute.getterForMainWorld)
                getter = attribute.getterForMainWorld;
            if (attribute.setterForMainWorld)
                setter = attribute.setterForMainWorld;
        }
        (attribute.onPrototype ? prototype : instanceTemplate)->SetAccessor(v8::String::NewFromUtf8(isolate, attribute.name, v8::String::kInternalizedString),
            getter,
            setter,
            v8::External::New(isolate, const_cast<WrapperTypeInfo*>(attribute.data)),
            attribute.settings,
            attribute.attribute);
    }

    // ConstantConfiguration translates into calls to Set() for setting up an
    // object's constants. It sets the constant on both the FunctionTemplate and
    // the ObjectTemplate. PropertyAttributes is always ReadOnly.
    struct ConstantConfiguration {
        const char* const name;
        int value;
    };

    static void installConstants(v8::Handle<v8::FunctionTemplate>, v8::Handle<v8::ObjectTemplate>, const ConstantConfiguration*, size_t constantCount, v8::Isolate*);

    // MethodConfiguration translates into calls to Set() on the prototype
    // ObjectTemplate.
    struct MethodConfiguration {
        const char* const name;
        v8::FunctionCallback callback;
        v8::FunctionCallback callbackForMainWorld;
        int length;
    };

    static void installCallbacks(v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::Signature>, v8::PropertyAttribute, const MethodConfiguration*, size_t callbackCount, v8::Isolate*);

    static void installAccessors(v8::Handle<v8::ObjectTemplate>, v8::Handle<v8::Signature>, const AccessorConfiguration*, size_t accessorCount, v8::Isolate*);

    static v8::Local<v8::Signature> installDOMClassTemplate(v8::Handle<v8::FunctionTemplate>, const char* interfaceName, v8::Handle<v8::FunctionTemplate> parentClass, size_t fieldCount,
        const AttributeConfiguration*, size_t attributeCount,
        const AccessorConfiguration*, size_t accessorCount,
        const MethodConfiguration*, size_t callbackCount,
        v8::Isolate*);
};

} // namespace WebCore

#endif // V8DOMConfiguration_h

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