/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * 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/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
 */
#ifndef __com_sun_star_frame_XDesktop_idl__
#define __com_sun_star_frame_XDesktop_idl__

#include <com/sun/star/uno/XInterface.idl>
#include <com/sun/star/frame/XTerminateListener.idl>
#include <com/sun/star/container/XEnumerationAccess.idl>
#include <com/sun/star/lang/XComponent.idl>
#include <com/sun/star/frame/XFrame.idl>



 module com {  module sun {  module star {  module frame {

/** This is the main interface of a desktop service.

    <p>
    A desktop is an environment for components which can be viewed in
    frames. Frames are like frames in HTML framesets. This does not imply
    that a desktop can handle framesets; the frames may be top frames
    only.
    </p>

    @see Desktop
 */
published interface XDesktop: com::sun::star::uno::XInterface
{
    /** tries to terminate the desktop.

        <p>
        First, every terminate listener is called by his XTerminateListener::queryTermination() method.
        Throwing of a TerminationVetoException can break the termination process and the listener how has
        done that will be the new "controller" of the desktop lifetime. He should try to terminate it by himself after
        his own processes will be finished.
        If nobody disagree with the termination request, every listener will be called by his
        XTerminateListener::notifyTermination() method.
        </p>

        @return
            `TRUE` If all listeners agree with this request
            <br>
            `FALSE` Otherwise

        @see XTerminateListener
        @see TerminationVetoException
     */
    boolean terminate();

    /** registers an event listener to the desktop, which is called
        when the desktop is queried to terminate, and when it really
        terminates.

        @param Listener
            listener for termination events

        @see XDesktop::removeTerminateListener()
     */
    void addTerminateListener( [in] XTerminateListener Listener );

    /** unregisters an event listener for termination events.

        @param Listener
            listener which wishes to be deregistered

        @see XDesktop::addTerminateListener()
     */
    void removeTerminateListener( [in] XTerminateListener Listener );

    /** provides read access to collection of all currently loaded components
        inside the frame tree

        <p>
        The component is, by definition, the model of the control which
        is loaded into a frame, or if no model exists, into the control
        itself.
        The service Components which is available from this
        method is a collection of all components of the desktop which are open
        within a frame of the desktop.
        </p>

        @returns
            the collection of all components

        @see Components
     */
    com::sun::star::container::XEnumerationAccess getComponents();

    /** provides read access to the component inside the tree which has the UI focus

        <p>
        Normally, the component is the model part of the
        active component. If no model exists it is the active controller
        (view) itself.
        </p>

        @returns
            the component within the desktop environment which has the UI focus.

        @see XDesktop::getCurrentFrame()
     */
    com::sun::star::lang::XComponent getCurrentComponent();

    /** provides read access to the frame which contains the current component

        @returns
            the frame of the component which has the
            UI focus within this desktop environment

        @see XDesktop::getCurrentComponent()
     */
    XFrame getCurrentFrame();
};


}; }; }; };

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
