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 * met:

 *

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 * 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

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 * 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

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 */

#ifndef V8Collection_h

#define V8Collection_h

#include "HTMLFormElement.h"

#include "HTMLSelectElement.h"

#include "V8Binding.h"

#include "V8Node.h"

#include "V8Proxy.h"

#include <v8.h>

namespace WebCore {

// FIXME: These functions should be named using to* since they return the item (get* is used for method that take a ref param).

// See https://bugs.webkit.org/show_bug.cgi?id=24664.

template<class T> static v8::Handle<v8::Value> getV8Object(T* implementation)

{

    if (!implementation)

        return v8::Handle<v8::Value>();

    return toV8(implementation);

}

template<class Collection> static Collection* toNativeCollection(v8::Local<v8::Object> object)

{

    return reinterpret_cast<Collection*>(object->GetPointerFromInternalField(v8DOMWrapperObjectIndex));

}

template<class T> static v8::Handle<v8::Value> getV8Object(PassRefPtr<T> implementation)

{

    return getV8Object(implementation.get());

}

// Returns named property of a collection.

template<class Collection, class ItemType> static v8::Handle<v8::Value> getNamedPropertyOfCollection(v8::Local<v8::String> name, v8::Local<v8::Object> object)

{

    // FIXME: assert object is a collection type

    ASSERT(V8DOMWrapper::maybeDOMWrapper(object));

    ASSERT(V8DOMWrapper::domWrapperType(object) != &V8Node::info);

    Collection* collection = toNativeCollection<Collection>(object);

    AtomicString propertyName = toAtomicWebCoreStringWithNullCheck(name);

    return getV8Object<ItemType>(collection->namedItem(propertyName));

}

// A template of named property accessor of collections.

template<class Collection, class ItemType> static v8::Handle<v8::Value> collectionNamedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)

{

    v8::Handle<v8::Value> value = info.Holder()->GetRealNamedPropertyInPrototypeChain(name);

    if (!value.IsEmpty())

        return value;

    // Search local callback properties next to find IDL defined

    // properties.

    if (info.Holder()->HasRealNamedCallbackProperty(name))

        return notHandledByInterceptor();

    return getNamedPropertyOfCollection<Collection, ItemType>(name, info.Holder());

}

// Returns the property at the index of a collection.

template<class Collection, class ItemType> static v8::Handle<v8::Value> getIndexedPropertyOfCollection(uint32_t index, v8::Local<v8::Object> object)

{

    // FIXME: Assert that object must be a collection type.

    ASSERT(V8DOMWrapper::maybeDOMWrapper(object));

    ASSERT(V8DOMWrapper::domWrapperType(object) != &V8Node::info);

    Collection* collection = toNativeCollection<Collection>(object);

    return getV8Object<ItemType>(collection->item(index));

}

// A template of index interceptor of collections.

template<class Collection, class ItemType> static v8::Handle<v8::Value> collectionIndexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)

{

    return getIndexedPropertyOfCollection<Collection, ItemType>(index, info.Holder());

}

// Get an array containing the names of indexed properties of HTMLSelectElement and HTMLFormElement.

template<class Collection> static v8::Handle<v8::Array> nodeCollectionIndexedPropertyEnumerator(const v8::AccessorInfo& info)

{

    ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));

    Collection* collection = toNativeCollection<Collection>(info.Holder());

    int length = collection->length();

    v8::Handle<v8::Array> properties = v8::Array::New(length);

    for (int i = 0; i < length; ++i) {

        // FIXME: Do we need to check that the item function returns a non-null value for this index?

        v8::Handle<v8::Integer> integer = v8::Integer::New(i);

        properties->Set(integer, integer);

    }

    return properties;

}

// Get an array containing the names of indexed properties in a collection.

template<class Collection> static v8::Handle<v8::Array> collectionIndexedPropertyEnumerator(const v8::AccessorInfo& info)

{

    ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));

    Collection* collection = toNativeCollection<Collection>(info.Holder());

    int length = collection->length();

    v8::Handle<v8::Array> properties = v8::Array::New(length);

    for (int i = 0; i < length; ++i) {

        // FIXME: Do we need to check that the item function returns a non-null value for this index?

        v8::Handle<v8::Integer> integer = v8::Integer::New(i);

        properties->Set(integer, integer);

    }

    return properties;

}

// A template for indexed getters on collections of strings that should return null if the resulting string is a null string.

template<class Collection> static v8::Handle<v8::Value> collectionStringOrNullIndexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)

{

    // FIXME: assert that object must be a collection type

    ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));

    Collection* collection = toNativeCollection<Collection>(info.Holder());

    String result = collection->item(index);

    return v8StringOrNull(result);

}

// A template for indexed getters on collections of strings.

template<class Collection> static v8::Handle<v8::Value> collectionStringIndexedPropertyGetter(uint32_t index, const v8::AccessorInfo& info)

{

    // FIXME: assert that object must be a collection type

    ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));

    Collection* collection = toNativeCollection<Collection>(info.Holder());

    String result = collection->item(index);

    return v8String(result);

}

// Add indexed getter to the function template for a collection.

template<class Collection, class ItemType> static void setCollectionIndexedGetter(v8::Handle<v8::FunctionTemplate> desc)

{

    desc->InstanceTemplate()->SetIndexedPropertyHandler(collectionIndexedPropertyGetter<Collection, ItemType>, 0, 0, 0, collectionIndexedPropertyEnumerator<Collection>);

}

// Add named getter to the function template for a collection.

template<class Collection, class ItemType> static void setCollectionNamedGetter(v8::Handle<v8::FunctionTemplate> desc)

{

    desc->InstanceTemplate()->SetNamedPropertyHandler(collectionNamedPropertyGetter<Collection, ItemType>, 0, 0, 0, 0);

}

// Add indexed getter returning a string or null to a function template for a collection.

template<class Collection> static void setCollectionStringOrNullIndexedGetter(v8::Handle<v8::FunctionTemplate> desc)

{

    desc->InstanceTemplate()->SetIndexedPropertyHandler(collectionStringOrNullIndexedPropertyGetter<Collection>, 0, 0, 0, collectionIndexedPropertyEnumerator<Collection>);

}

// Add indexed getter returning a string to a function template for a collection.

template<class Collection> static void setCollectionStringIndexedGetter(v8::Handle<v8::FunctionTemplate> desc)

{

    desc->InstanceTemplate()->SetIndexedPropertyHandler(collectionStringIndexedPropertyGetter<Collection>, 0, 0, 0, collectionIndexedPropertyEnumerator<Collection>);

}

v8::Handle<v8::Value> toOptionsCollectionSetter(uint32_t index, v8::Handle<v8::Value>, HTMLSelectElement*);

} // namespace WebCore

#endif // V8Collection_h