/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * 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/
 * 
 * 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.
 * 
 * The Original Code is the Mozilla browser.
 * 
 * The Initial Developer of the Original Code is Netscape
 * Communications, Inc.  Portions created by Netscape are
 * Copyright (C) 1999, Mozilla.  All Rights Reserved.
 * 
 * Contributor(s):
 *   Adam Lock <adamlock@netscape.com>
 */

#include "nsISupports.idl"

/* THIS IS A PUBLIC EMBEDDING API */

/**
 * The nsIEmbeddingSiteWindow is implemented by the embedder to provide
 * Gecko with the means to call up to the host to resize the window,
 * hide or show it and set/get its title.
 *
 * @status FROZEN
 */
[scriptable, uuid(3E5432CD-9568-4bd1-8CBE-D50ABA110743)]
interface nsIEmbeddingSiteWindow : nsISupports
{
    /**
     * Flag indicates that position of the top left corner of the outer area
     * is required/specified.
     *
     * @see setDimensions
     * @see getDimensions
     */
    const unsigned long DIM_FLAGS_POSITION   = 1;
    
    /**
     * Flag indicates that the size of the inner area is required/specified.
     *
     * @note The inner and outer flags are mutually exclusive and it is
     *       invalid to combine them.
     *
     * @see setDimensions
     * @see getDimensions
     * @see DIM_FLAGS_SIZE_OUTER
     */
    const unsigned long DIM_FLAGS_SIZE_INNER = 2;

    /**
     * Flag indicates that the size of the outer area is required/specified.
     *
     * @see setDimensions
     * @see getDimensions
     * @see DIM_FLAGS_SIZE_INNER
     */
    const unsigned long DIM_FLAGS_SIZE_OUTER = 4;

    /**
     * Sets the dimensions for the window; the position & size. The
     * flags to indicate what the caller wants to set and whether the size
     * refers to the inner or outer area. The inner area refers to just
     * the embedded area, wheras the outer area can also include any 
     * surrounding chrome, window frame, title bar, and so on.
     *
     * @param flags  Combination of position, inner and outer size flags.
     * @param x      Left hand corner of the outer area.
     * @param y      Top corner of the outer area.
     * @param cx     Width of the inner or outer area.
     * @param cy     Height of the inner or outer area.
     *
     * @return <code>NS_OK</code> if operation was performed correctly;
     *         <code>NS_ERROR_UNEXPECTED</code> if window could not be
     *           destroyed;
     *         <code>NS_ERROR_INVALID_ARG</code> for bad flag combination
     *           or illegal dimensions.
     *
     * @see getDimensions
     * @see DIM_FLAGS_POSITION
     * @see DIM_FLAGS_SIZE_OUTER
     * @see DIM_FLAGS_SIZE_INNER
     */
    void setDimensions(in unsigned long flags, in long x, in long y, in long cx, in long cy);

    /**
     * Gets the dimensions of the window. The caller may pass
     * <CODE>nsnull</CODE> for any value it is uninterested in receiving.
     *
     * @param flags  Combination of position, inner and outer size flag .
     * @param x      Left hand corner of the outer area; or <CODE>nsnull</CODE>.
     * @param y      Top corner of the outer area; or <CODE>nsnull</CODE>.
     * @param cx     Width of the inner or outer area; or <CODE>nsnull</CODE>.
     * @param cy     Height of the inner or outer area; or <CODE>nsnull</CODE>.
     *
     * @see setDimensions
     * @see DIM_FLAGS_POSITION
     * @see DIM_FLAGS_SIZE_OUTER
     * @see DIM_FLAGS_SIZE_INNER
     */
    void getDimensions(in unsigned long flags, out long x, out long y, out long cx, out long cy);

    /**
     * Give the window focus.
     */
    void setFocus();

    /**
     * Visibility of the window.
     */
    attribute boolean visibility;

    /**
     * Title of the window.
     */
    attribute wstring title;

    /**
     * Native window for the site's window. The implementor should copy the
     * native window object into the address supplied by the caller. The
     * type of the native window that the address refers to is  platform
     * and OS specific as follows:
     *
     * <ul>
     *   <li>On Win32 it is an <CODE>HWND</CODE>.</li>
     *   <li>On MacOS this is a <CODE>WindowPtr</CODE>.</li>
     *   <li>On GTK this is a <CODE>GtkWidget*</CODE>.</li>
     * </ul>
     */
    [noscript] readonly attribute voidPtr siteWindow;
};
