Source/WebCore/html/HiddenInputType.cpp

/*
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 * Copyright (C) 2011 Apple Inc. All rights reserved.
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#include "config.h"
#include "HiddenInputType.h"

#include "DOMFormData.h"
#include "FormController.h"
#include "HTMLInputElement.h"
#include "HTMLNames.h"
#include "InputTypeNames.h"
#include "RenderElement.h"

namespace WebCore {

using namespace HTMLNames;

const AtomString& HiddenInputType::formControlType() const
{
    return InputTypeNames::hidden();
}

FormControlState HiddenInputType::saveFormControlState() const
{
    // valueAttributeWasUpdatedAfterParsing() never be true for form controls create by createElement() or cloneNode().
    // It's OK for now because we restore values only to form controls created by parsing.
    ASSERT(element());
    return element()->valueAttributeWasUpdatedAfterParsing() ? FormControlState { { element()->value() } } : FormControlState { };
}

void HiddenInputType::restoreFormControlState(const FormControlState& state)
{
    ASSERT(element());
    element()->setAttributeWithoutSynchronization(valueAttr, state[0]);
}

RenderPtr<RenderElement> HiddenInputType::createInputRenderer(RenderStyle&&)
{
    ASSERT_NOT_REACHED();
    return nullptr;
}

bool HiddenInputType::accessKeyAction(bool)
{
    return false;
}

bool HiddenInputType::rendererIsNeeded()
{
    return false;
}

bool HiddenInputType::storesValueSeparateFromAttribute()
{
    return false;
}

void HiddenInputType::setValue(const String& sanitizedValue, bool, TextFieldEventBehavior)
{
    ASSERT(element());
    element()->setAttributeWithoutSynchronization(valueAttr, sanitizedValue);
}

bool HiddenInputType::appendFormData(DOMFormData& formData, bool isMultipartForm) const
{
    ASSERT(element());
    auto name = element()->name();

    if (equalIgnoringASCIICase(name, "_charset_")) {
        formData.append(name, String { formData.encoding().name() });
        return true;
    }
    return InputType::appendFormData(formData, isMultipartForm);
}

bool HiddenInputType::shouldRespectHeightAndWidthAttributes()
{
    return true;
}

} // namespace WebCore