Source/WebCore/bindings/js/JSKeyframeEffectCustom.cpp

/*
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 * Redistribution and use in source and binary forms, with or without
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#include "config.h"
#include "JSKeyframeEffect.h"

#include "CSSPropertyNames.h"
#include "Document.h"
#include "JSDOMConvertObject.h"
#include "JSDOMConvertSequences.h"
#include "JSDOMConvertStrings.h"

namespace WebCore {

using namespace JSC;

JSValue JSKeyframeEffect::getKeyframes(JSGlobalObject& lexicalGlobalObject, CallFrame&)
{
    auto lock = JSLockHolder { &lexicalGlobalObject };

    auto* context = jsCast<JSDOMGlobalObject*>(&lexicalGlobalObject)->scriptExecutionContext();
    if (UNLIKELY(!context))
        return jsUndefined();
    ASSERT(context->isDocument());

    auto& domGlobalObject = *jsCast<JSDOMGlobalObject*>(&lexicalGlobalObject);
    auto computedKeyframes = wrapped().getKeyframes(downcast<Document>(*context));
    auto keyframeObjects = computedKeyframes.map([&](auto& computedKeyframe) -> Strong<JSObject> {
        auto keyframeObject = convertDictionaryToJS(lexicalGlobalObject, domGlobalObject, { computedKeyframe });
        for (auto& [propertyID, propertyValue] : computedKeyframe.styleStrings) {
            auto propertyName = KeyframeEffect::CSSPropertyIDToIDLAttributeName(propertyID);
            auto value = toJS<IDLDOMString>(lexicalGlobalObject, propertyValue);
            JSObject::defineOwnProperty(keyframeObject, &lexicalGlobalObject, AtomString(propertyName).impl(), PropertyDescriptor(value, 0), false);
        }
        return { lexicalGlobalObject.vm(), keyframeObject };
    });

    auto throwScope = DECLARE_THROW_SCOPE(lexicalGlobalObject.vm());
    return toJS<IDLSequence<IDLObject>>(lexicalGlobalObject, domGlobalObject, throwScope, keyframeObjects);
}

} // namespace WebCore