/* -*- 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.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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 "nsIDocShell.h"
#include "nsIPresContext.h"

#include "nsDOMWindowUtils.h"
#include "nsGlobalWindow.h"

NS_INTERFACE_MAP_BEGIN(nsDOMWindowUtils)
  NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMWindowUtils)
  NS_INTERFACE_MAP_ENTRY(nsIDOMWindowUtils)
  NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_END

NS_IMPL_ADDREF(nsDOMWindowUtils)
NS_IMPL_RELEASE(nsDOMWindowUtils)

nsDOMWindowUtils::nsDOMWindowUtils(GlobalWindowImpl *aWindow) :
                    mWindow(aWindow) {
}

nsDOMWindowUtils::~nsDOMWindowUtils() {
}

NS_IMETHODIMP
nsDOMWindowUtils::GetImageAnimationMode(PRUint16 *aMode) {

  NS_ENSURE_ARG_POINTER(aMode);
  *aMode = 0;
  if (mWindow) {
    nsIDocShell *docShell = mWindow->GetDocShell();
    if (docShell) {
      nsCOMPtr<nsIPresContext> presContext;
      docShell->GetPresContext(getter_AddRefs(presContext));
      if (presContext) {
        *aMode = presContext->ImageAnimationMode();
        return NS_OK;
      }
    }
  }
  return NS_ERROR_NOT_AVAILABLE;
}

NS_IMETHODIMP
nsDOMWindowUtils::SetImageAnimationMode(PRUint16 aMode) {

  if (mWindow) {
    nsIDocShell *docShell = mWindow->GetDocShell();
    if (docShell) {
      nsCOMPtr<nsIPresContext> presContext;
      docShell->GetPresContext(getter_AddRefs(presContext));
      if (presContext) {
        presContext->SetImageAnimationMode(aMode);
        return NS_OK;
      }
    }
  }
  return NS_ERROR_NOT_AVAILABLE;
}

NS_IMETHODIMP
nsDOMWindowUtils::GetBrowserDOMWindow(nsIBrowserDOMWindow **aBrowserWindow) {

  NS_ENSURE_ARG_POINTER(aBrowserWindow);

  if (mWindow) {
    *aBrowserWindow = mWindow->mBrowserDOMWindow;
    NS_IF_ADDREF(*aBrowserWindow);
    return NS_OK;
  }

  return NS_ERROR_NOT_AVAILABLE;
}

NS_IMETHODIMP
nsDOMWindowUtils::SetBrowserDOMWindow(nsIBrowserDOMWindow *aBrowserWindow) {

  if (mWindow) {
    mWindow->mBrowserDOMWindow = aBrowserWindow;
    return NS_OK;
  }

  return NS_ERROR_NOT_AVAILABLE;
}