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 * 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/
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 * 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.
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 * The Original Code is mozilla.org code.
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 * 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):
 *   Travis Bogard <travis@netscape.com>
 *   Dan Rosen <dr@netscape.com>
 *   Vidur Apparao <vidur@netscape.com>
 *   Johnny Stenback <jst@netscape.com>
 *
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 * 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"),
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 * ***** END LICENSE BLOCK ***** */

#ifndef nsLocation_h__
#define nsLocation_h__

#include "nsIDOMLocation.h"
#include "nsString.h"
#include "nsWeakReference.h"


class nsIURI;
class nsIDocShell;
struct JSContext;
class nsIDocument;
class nsIDocShellLoadInfo;

//*****************************************************************************
// nsLocation: Script "location" object
//*****************************************************************************

class nsLocation : public nsIDOMLocation
{
public:
  nsLocation(nsIDocShell *aDocShell);
  virtual ~nsLocation();

  NS_DECL_ISUPPORTS

  void SetDocShell(nsIDocShell *aDocShell);
  nsIDocShell *GetDocShell();

  // nsIDOMLocation
  NS_DECL_NSIDOMLOCATION

protected:
  // In the case of jar: uris, we sometimes want the place the jar was
  // fetched from as the URI instead of the jar: uri itself.  Pass in
  // PR_TRUE for aGetInnermostURI when that's the case.
  nsresult GetURI(nsIURI** aURL, PRBool aGetInnermostURI = PR_FALSE);
  nsresult GetWritableURI(nsIURI** aURL);
  nsresult SetURI(nsIURI* aURL, PRBool aReplace = PR_FALSE);
  nsresult SetHrefWithBase(const nsAString& aHref, nsIURI* aBase,
                           PRBool aReplace);
  nsresult SetHrefWithContext(JSContext* cx, const nsAString& aHref,
                              PRBool aReplace);

  nsresult GetSourceBaseURL(JSContext* cx, nsIURI** sourceURL);
  nsresult GetSourceDocument(JSContext* cx, nsIDocument** aDocument);

  nsresult CheckURL(nsIURI *url, nsIDocShellLoadInfo** aLoadInfo);

  nsString mCachedHash;
  nsWeakPtr mDocShell;
};

#endif // nsLocation_h__