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 * 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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#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)

  virtual void SetContext(nsIScriptContext *aContext) = 0;
  virtual nsIScriptContext *GetContext() = 0;
  virtual nsresult SetNewDocument(nsIDOMDocument *aDocument,
                                  PRBool aRemoveEventListeners,
                                  PRBool aClearScope) = 0;
  virtual void SetDocShell(nsIDocShell *aDocShell) = 0;
  virtual nsIDocShell *GetDocShell() = 0;
  virtual void 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
   */
  virtual void 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.
   */
  virtual nsIScriptGlobalObjectOwner *GetGlobalObjectOwner() = 0;

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

  virtual JSObject *GetGlobalJSObject() = 0;

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

  virtual void OnFinalize(JSObject *aJSObject) = 0;

  /**
   * Called when scripts are enabled/disabled.
   */
  virtual void SetScriptsEnabled(PRBool aEnabled, PRBool aFireTimeouts) = 0;
};

#endif