/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 
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 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *
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 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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#ifndef nsIScriptGlobalObject_h__
#define nsIScriptGlobalObject_h__

#include "nsISupports.h"
#include "nsEvent.h"

class nsIScriptContext;
class nsIDOMDocument;
class nsIDOMEvent;
class nsIPresContext;
class nsIDocShell;
class nsIDOMWindowInternal;
class nsIScriptGlobalObjectOwner;
struct JSObject;

#define NS_ISCRIPTGLOBALOBJECT_IID \
{ 0x2b16fc80, 0xfa41, 0x11d1,  \
{ 0x9b, 0xc3, 0x00, 0x60, 0x08, 0x8c, 0xa6, 0xb3} }

/**
 * The JavaScript specific global object. This often used to store
 * per-window global state.
 */

class nsIScriptGlobalObject : public nsISupports {
public:
  NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCRIPTGLOBALOBJECT_IID)

  NS_IMETHOD       SetContext(nsIScriptContext *aContext)=0;
  NS_IMETHOD       GetContext(nsIScriptContext **aContext)=0;
  NS_IMETHOD       SetNewDocument(nsIDOMDocument *aDocument,
                                  PRBool removeEventListeners)=0;
  NS_IMETHOD       SetDocShell(nsIDocShell *aDocShell)=0;
  NS_IMETHOD       GetDocShell(nsIDocShell **aDocShell)=0;
  NS_IMETHOD       SetOpenerWindow(nsIDOMWindowInternal *aOpener)=0;

    /**
   * Let the script global object know who its owner is.
   * The script global object should not addref the owner. It
   * will be told when the owner goes away.
   * @return NS_OK if the method is successful
   */
  NS_IMETHOD SetGlobalObjectOwner(nsIScriptGlobalObjectOwner* aOwner) = 0;

  /**
   * Get the owner of the script global object. The method
   * addrefs the returned reference according to regular
   * XPCOM rules, even though the internal reference itself
   * is a "weak" reference.
   */
  NS_IMETHOD GetGlobalObjectOwner(nsIScriptGlobalObjectOwner** aOwner) = 0;

  NS_IMETHOD HandleDOMEvent(nsIPresContext* aPresContext, 
                            nsEvent* aEvent, 
                            nsIDOMEvent** aDOMEvent,
                            PRUint32 aFlags,
                            nsEventStatus* aEventStatus)=0;

  NS_IMETHOD_(JSObject *) GetGlobalJSObject() = 0;

  /**
   * Called when the global JSObject is finalized
   */

  NS_IMETHOD OnFinalize(JSObject *aJSObject) = 0;

  /**
   * Called when scripts are enabled/disabled.
   */
  NS_IMETHOD SetScriptsEnabled(PRBool aEnabled) = 0;
};

#endif