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177 строки
6.5 KiB
Plaintext
177 строки
6.5 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Travis Bogard <travis@netscape.com>
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* Darin Fisher <darin@meer.net>
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* Mark Pilgrim <pilgrim@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIDOMWindow;
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interface nsIWebProgressListener;
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/**
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* The nsIWebProgress interface is used to add or remove nsIWebProgressListener
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* instances to observe the loading of asynchronous requests (usually in the
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* context of a DOM window).
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*
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* nsIWebProgress instances may be arranged in a parent-child configuration,
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* corresponding to the parent-child configuration of their respective DOM
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* windows. However, in some cases a nsIWebProgress instance may not have an
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* associated DOM window. The parent-child relationship of nsIWebProgress
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* instances is not made explicit by this interface, but the relationship may
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* exist in some implementations.
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*
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* A nsIWebProgressListener instance receives notifications for the
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* nsIWebProgress instance to which it added itself, and it may also receive
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* notifications from any nsIWebProgress instances that are children of that
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* nsIWebProgress instance.
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*/
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[scriptable, uuid(570F39D0-EFD0-11d3-B093-00A024FFC08C)]
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interface nsIWebProgress : nsISupports
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{
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/**
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* The following flags may be combined to form the aNotifyMask parameter for
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* the addProgressListener method. They limit the set of events that are
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* delivered to an nsIWebProgressListener instance.
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*/
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/**
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* These flags indicate the state transistions to observe, corresponding to
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* nsIWebProgressListener::onStateChange.
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*
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* NOTIFY_STATE_REQUEST
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* Only receive the onStateChange event if the aStateFlags parameter
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* includes nsIWebProgressListener::STATE_IS_REQUEST.
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*
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* NOTIFY_STATE_DOCUMENT
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* Only receive the onStateChange event if the aStateFlags parameter
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* includes nsIWebProgressListener::STATE_IS_DOCUMENT.
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*
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* NOTIFY_STATE_NETWORK
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* Only receive the onStateChange event if the aStateFlags parameter
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* includes nsIWebProgressListener::STATE_IS_NETWORK.
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*
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* NOTIFY_STATE_WINDOW
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* Only receive the onStateChange event if the aStateFlags parameter
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* includes nsIWebProgressListener::STATE_IS_WINDOW.
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*
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* NOTIFY_STATE_ALL
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* Receive all onStateChange events.
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*/
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const unsigned long NOTIFY_STATE_REQUEST = 0x00000001;
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const unsigned long NOTIFY_STATE_DOCUMENT = 0x00000002;
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const unsigned long NOTIFY_STATE_NETWORK = 0x00000004;
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const unsigned long NOTIFY_STATE_WINDOW = 0x00000008;
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const unsigned long NOTIFY_STATE_ALL = 0x0000000f;
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/**
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* These flags indicate the other events to observe, corresponding to the
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* other four methods defined on nsIWebProgressListener.
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*
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* NOTIFY_PROGRESS
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* Receive onProgressChange events.
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*
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* NOTIFY_STATUS
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* Receive onStatusChange events.
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*
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* NOTIFY_SECURITY
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* Receive onSecurityChange events.
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*
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* NOTIFY_LOCATION
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* Receive onLocationChange events.
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*
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* NOTIFY_REFRESH
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* Receive onRefreshAttempted events.
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* This is defined on nsIWebProgressListener2.
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*/
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const unsigned long NOTIFY_PROGRESS = 0x00000010;
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const unsigned long NOTIFY_STATUS = 0x00000020;
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const unsigned long NOTIFY_SECURITY = 0x00000040;
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const unsigned long NOTIFY_LOCATION = 0x00000080;
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const unsigned long NOTIFY_REFRESH = 0x00000100;
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/**
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* This flag enables all notifications.
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*/
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const unsigned long NOTIFY_ALL = 0x000001ff;
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/**
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* Registers a listener to receive web progress events.
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*
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* @param aListener
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* The listener interface to be called when a progress event occurs.
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* This object must also implement nsISupportsWeakReference.
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* @param aNotifyMask
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* The types of notifications to receive.
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*
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* @throw NS_ERROR_INVALID_ARG
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* Indicates that aListener was either null or that it does not
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* support weak references.
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* @throw NS_ERROR_FAILURE
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* Indicates that aListener was already registered.
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*/
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void addProgressListener(in nsIWebProgressListener aListener,
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in unsigned long aNotifyMask);
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/**
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* Removes a previously registered listener of progress events.
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*
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* @param aListener
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* The listener interface previously registered with a call to
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* addProgressListener.
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*
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* @throw NS_ERROR_FAILURE
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* Indicates that aListener was not registered.
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*/
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void removeProgressListener(in nsIWebProgressListener aListener);
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/**
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* The DOM window associated with this nsIWebProgress instance.
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*
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* @throw NS_ERROR_FAILURE
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* Indicates that there is no associated DOM window.
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*/
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readonly attribute nsIDOMWindow DOMWindow;
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/**
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* Indicates whether or not a document is currently being loaded
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* in the context of this nsIWebProgress instance.
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*/
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readonly attribute boolean isLoadingDocument;
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};
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