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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "nsISupports.idl"

/* nsINativeAppSupport
 *
 * This "pseudo" (in the XPCOM sense) interface provides for
 * platform-specific general application support
 *
 * Due to the nature of the beast, this interface is not a full-blown
 * XPCOM component.  The primary reason is that objects that implement
 * this interface generally must be operational *before* XPCOM (or any
 * of the rest of Mozilla) are initialized.  As a result, this
 * interface is instantiated by somewhat unconventional means.
 *
 * To create the implementor of this interface, you call the function
 * NS_CreateNativeAppSupport.  This is done in the startup code
 * in nsAppRunner.cpp
 *
 * The interface provides these functions:
 *  start - You call this to inform the native app support that the
 *          application is starting.  In addition, it serves as a
 *          query as to whether the application should continue to
 *          run.
 *
 *          If the returned boolean result is PR_FALSE, then the
 *          application should exit without further processing.  In
 *          such cases, the returned nsresult indicates whether the
 *          reason to exit is due to an error or not.
 *
 *          Win32 Note: In the case of starting a second instance
 *                      of this executable, this function will return
 *                      PR_FALSE and nsresult==NS_OK.  This means that
 *                      the command line arguments have been
 *                      successfully passed to the instance of the
 *                      application acting as a remote server.
 *  quit - Informs the native app support that the application is stopping. The
 *         app support should disable any functionality enabled by start.
 *
 *  onLastWindowClosing -  Called when the last window is closed. Used as a
 *                         "soft" shutdown, passwords are flushed.
 */

interface nsIXULWindow;

[scriptable, uuid(5fdf8480-1f98-11d4-8077-00600811a9c3)]
interface nsINativeAppSupport : nsISupports {
    // Startup/shutdown.
    boolean start();
    void    enable();

    void onLastWindowClosing();
    void ReOpen();
};