root/Source/core/html/forms/HiddenInputType.cpp

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DEFINITIONS

This source file includes following definitions.
  1. create
  2. formControlType
  3. saveFormControlState
  4. restoreFormControlState
  5. supportsValidation
  6. createRenderer
  7. accessKeyAction
  8. rendererIsNeeded
  9. storesValueSeparateFromAttribute
  10. setValue
  11. isHiddenType
  12. appendFormData
  13. shouldRespectHeightAndWidthAttributes

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
 * Copyright (C) 2011 Apple 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.
 */

#include "config.h"
#include "core/html/forms/HiddenInputType.h"

#include "HTMLNames.h"
#include "InputTypeNames.h"
#include "core/html/FormDataList.h"
#include "core/html/HTMLInputElement.h"
#include "core/html/forms/FormController.h"
#include "wtf/PassOwnPtr.h"

namespace WebCore {

using namespace HTMLNames;

PassRefPtr<InputType> HiddenInputType::create(HTMLInputElement& element)
{
    return adoptRef(new HiddenInputType(element));
}

const AtomicString& 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.
    return element().valueAttributeWasUpdatedAfterParsing() ? FormControlState(element().value()) : FormControlState();
}

void HiddenInputType::restoreFormControlState(const FormControlState& state)
{
    element().setAttribute(valueAttr, AtomicString(state[0]));
}

bool HiddenInputType::supportsValidation() const
{
    return false;
}

RenderObject* HiddenInputType::createRenderer(RenderStyle*) const
{
    ASSERT_NOT_REACHED();
    return 0;
}

void HiddenInputType::accessKeyAction(bool)
{
}

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

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

void HiddenInputType::setValue(const String& sanitizedValue, bool, TextFieldEventBehavior)
{
    element().setAttribute(valueAttr, AtomicString(sanitizedValue));
}

bool HiddenInputType::isHiddenType() const
{
    return true;
}

bool HiddenInputType::appendFormData(FormDataList& encoding, bool isMultipartForm) const
{
    if (equalIgnoringCase(element().name(), "_charset_")) {
        encoding.appendData(element().name(), String(encoding.encoding().name()));
        return true;
    }
    return InputType::appendFormData(encoding, isMultipartForm);
}

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

} // namespace WebCore

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