/*
 * Copyright (C) 2009 Google 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.
 */

#ifndef WebFormElement_h
#define WebFormElement_h

#include "../platform/WebVector.h"
#include "WebElement.h"

namespace blink {

class HTMLFormElement;
class WebInputElement;
class WebFormControlElement;

// A container for passing around a reference to a form element. Provides some
// information about the form.
class WebFormElement : public WebElement {
public:
    ~WebFormElement() { reset(); }

    WebFormElement() : WebElement() { }
    WebFormElement(const WebFormElement& element) : WebElement(element) { }

    WebFormElement& operator=(const WebFormElement& element)
    {
        WebElement::assign(element);
        return *this;
    }
    void assign(const WebFormElement& element) { WebElement::assign(element); }

    BLINK_EXPORT bool autoComplete() const;
    BLINK_EXPORT WebString action() const;
    BLINK_EXPORT WebString name() const;
    BLINK_EXPORT WebString method() const;
    BLINK_EXPORT bool wasUserSubmitted() const;
    BLINK_EXPORT void submit();
    // FIXME: Deprecate and replace with WebVector<WebElement>.
    BLINK_EXPORT void getNamedElements(const WebString&, WebVector<WebNode>&);
    BLINK_EXPORT void getFormControlElements(WebVector<WebFormControlElement>&) const;

    // NOTE: This function dispatches "invalid" events. Only call this if
    // required by a specification (e.g. requestAutocomplete()).
    BLINK_EXPORT bool checkValidity();

    enum AutocompleteResult {
        AutocompleteResultSuccess,
        AutocompleteResultErrorDisabled,
        AutocompleteResultErrorCancel,
        AutocompleteResultErrorInvalid,
    };
    BLINK_EXPORT void finishRequestAutocomplete(WebFormElement::AutocompleteResult);

#if BLINK_IMPLEMENTATION
    WebFormElement(const PassRefPtrWillBeRawPtr<HTMLFormElement>&);
    WebFormElement& operator=(const PassRefPtrWillBeRawPtr<HTMLFormElement>&);
    operator PassRefPtrWillBeRawPtr<HTMLFormElement>() const;
#endif
};

} // namespace blink

#endif
