/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla XForms support.
 *
 * The Initial Developer of the Original Code is
 * IBM Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Brian Ryner <bryner@brianryner.com>
 *  Allan Beaufour <allan@beaufour.dk>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsIDOMEventTarget.h"
#include "nsIDOM3Node.h"
#include "nsIDOMElement.h"
#include "nsMemory.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsIXTFXMLVisualWrapper.h"
#include "nsIDOMDocument.h"
#include "nsIXFormsControl.h"
#include "nsXFormsControlStub.h"
#include "nsISchema.h"
#include "nsIDOMHTMLInputElement.h"
#include "nsIDOMHTMLTextAreaElement.h"
#include "nsAutoPtr.h"
#include "nsIDOMXPathResult.h"
#include "nsIDOMFocusListener.h"
#include "nsXFormsUtils.h"
#include "nsIModelElementPrivate.h"
#include "nsIContent.h"
#include "nsIDOMXPathExpression.h"
#include "nsXFormsAtoms.h"
#include "nsXFormsDelegateStub.h"

/**
 * Implementation of the \<input\>, \<secret\>, and \<textarea\> elements.
 */
class nsXFormsInputElement : public nsXFormsDelegateStub
{
public:

  // nsIXFormsDelegate
  NS_IMETHOD SetValue(const nsAString& aValue);

  enum ControlType {
    eType_Input,
    eType_Secret,
    eType_TextArea
  };

#ifdef DEBUG_smaug
  virtual const char* Name() { return "input"; }
#endif

  // nsXFormsInputElement
  nsXFormsInputElement(const nsAString& aType)
    : nsXFormsDelegateStub(aType)
    {}
};


// nsIXFormsDelegate

NS_IMETHODIMP
nsXFormsInputElement::SetValue(const nsAString& aValue)
{
  if (!mBoundNode || !mModel)
    return NS_OK;

  PRBool changed;
  nsresult rv = mModel->SetNodeValue(mBoundNode, aValue, &changed);
  NS_ENSURE_SUCCESS(rv, rv);
  if (changed) {
    nsCOMPtr<nsIDOMNode> model = do_QueryInterface(mModel);
 
    if (model) {
      rv = nsXFormsUtils::DispatchEvent(model, eEvent_Recalculate);
      NS_ENSURE_SUCCESS(rv, rv);
      rv = nsXFormsUtils::DispatchEvent(model, eEvent_Revalidate);
      NS_ENSURE_SUCCESS(rv, rv);
      rv = nsXFormsUtils::DispatchEvent(model, eEvent_Refresh);
      NS_ENSURE_SUCCESS(rv, rv);
    }
  }

  return NS_OK;
}

// Creators

NS_HIDDEN_(nsresult)
NS_NewXFormsInputElement(nsIXTFElement **aResult)
{
  *aResult = new nsXFormsInputElement(NS_LITERAL_STRING("input"));
  if (!*aResult)
    return NS_ERROR_OUT_OF_MEMORY;

  NS_ADDREF(*aResult);
  return NS_OK;
}

NS_HIDDEN_(nsresult)
NS_NewXFormsSecretElement(nsIXTFElement **aResult)
{
  *aResult = new nsXFormsInputElement(NS_LITERAL_STRING("secret"));
  if (!*aResult)
    return NS_ERROR_OUT_OF_MEMORY;

  NS_ADDREF(*aResult);
  return NS_OK;
}

NS_HIDDEN_(nsresult)
NS_NewXFormsTextAreaElement(nsIXTFElement **aResult)
{
  *aResult = new nsXFormsInputElement(NS_LITERAL_STRING("textarea"));
  if (!*aResult)
    return NS_ERROR_OUT_OF_MEMORY;

  NS_ADDREF(*aResult);
  return NS_OK;
}