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171 строка
7.3 KiB
Plaintext
171 строка
7.3 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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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 nsIInterfaceRequestor;
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interface nsIWebBrowserChrome;
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interface nsIURIContentListener;
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interface nsIDOMWindow;
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interface nsIWeakReference;
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/**
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* The nsIWebBrowser interface is implemented by web browser objects.
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* Embedders use this interface during initialisation to associate
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* the new web browser instance with the embedders chrome and
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* to register any listeners. The interface may also be used at runtime
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* to obtain the content DOM window and from that the rest of the DOM.
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*
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* @status FROZEN
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*/
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[scriptable, uuid(69E5DF00-7B8B-11d3-AF61-00A024FFC08C)]
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interface nsIWebBrowser : nsISupports
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{
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/**
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* Registers a listener of the type specified by the iid to receive
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* callbacks. The browser stores a weak reference to the listener
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* to avoid any circular dependencies.
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* Typically this method will be called to register an object
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* to receive <CODE>nsIWebProgressListener</CODE> or
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* <CODE>nsISHistoryListener</CODE> notifications in which case the
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* the IID is that of the interface.
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*
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* @param aListener The listener to be added.
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* @param aIID The IID of the interface that will be called
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* on the listener as appropriate.
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* @return <CODE>NS_OK</CODE> for successful registration;
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* <CODE>NS_ERROR_INVALID_ARG</CODE> if aIID is not
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* supposed to be registered using this method;
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* <CODE>NS_ERROR_FAILURE</CODE> either aListener did not
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* expose the interface specified by the IID, or some
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* other internal error occurred.
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*
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* @see removeWebBrowserListener
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* @see nsIWeakReference
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* @see nsIWebProgressListener
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* @see nsISHistoryListener
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*
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* @return <CODE>NS_OK</CODE>, listener was successfully added;
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* <CODE>NS_ERROR_INVALID_ARG</CODE>, one of the arguments was
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* invalid or the object did not implement the interface
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* specified by the IID.
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*/
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void addWebBrowserListener(in nsIWeakReference aListener, in nsIIDRef aIID);
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/**
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* Removes a previously registered listener.
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*
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* @param aListener The listener to be removed.
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* @param aIID The IID of the interface on the listener that will
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* no longer be called.
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*
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* @return <CODE>NS_OK</CODE>, listener was successfully removed;
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* <CODE>NS_ERROR_INVALID_ARG</CODE> arguments was invalid or
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* the object did not implement the interface specified by the IID.
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*
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* @see addWebBrowserListener
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* @see nsIWeakReference
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*/
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void removeWebBrowserListener(in nsIWeakReference aListener, in nsIIDRef aIID);
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/**
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* The chrome object associated with the browser instance. The embedder
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* must create one chrome object for <I>each</I> browser object
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* that is instantiated. The embedder must associate the two by setting
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* this property to point to the chrome object before creating the browser
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* window via the browser's <CODE>nsIBaseWindow</CODE> interface.
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*
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* The chrome object must also implement <CODE>nsIEmbeddingSiteWindow</CODE>.
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*
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* The chrome may optionally implement <CODE>nsIInterfaceRequestor</CODE>,
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* <CODE>nsIWebBrowserChromeFocus</CODE>,
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* <CODE>nsIContextMenuListener</CODE> and
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* <CODE>nsITooltipListener</CODE> to receive additional notifications
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* from the browser object.
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*
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* The chrome object may optionally implement <CODE>nsIWebProgressListener</CODE>
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* instead of explicitly calling <CODE>addWebBrowserListener</CODE> and
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* <CODE>removeWebBrowserListener</CODE> to register a progress listener
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* object. If the implementation does this, it must also implement
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* <CODE>nsIWeakReference</CODE>.
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*
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* @note The implementation should not refcount the supplied chrome
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* object; it should assume that a non <CODE>nsnull</CODE> value is
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* always valid. The embedder must explicitly set this value back
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* to nsnull if the chrome object is destroyed before the browser
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* object.
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*
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* @see nsIBaseWindow
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* @see nsIWebBrowserChrome
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* @see nsIEmbeddingSiteWindow
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* @see nsIInterfaceRequestor
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* @see nsIWebBrowserChromeFocus
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* @see nsIContextMenuListener
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* @see nsITooltipListener
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* @see nsIWeakReference
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* @see nsIWebProgressListener
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*/
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attribute nsIWebBrowserChrome containerWindow;
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/**
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* URI content listener parent. The embedder may set this property to
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* their own implementation if they intend to override or prevent
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* how certain kinds of content are loaded.
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*
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* @note If this attribute is set to an object that implements
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* nsISupportsWeakReference, the implementation should get the
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* nsIWeakReference and hold that. Otherwise, the implementation
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* should not refcount this interface; it should assume that a non
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* null value is always valid. In that case, the embedder should
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* explicitly set this value back to null if the parent content
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* listener is destroyed before the browser object.
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*
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* @see nsIURIContentListener
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*/
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attribute nsIURIContentListener parentURIContentListener;
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/**
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* The top-level DOM window. The embedder may walk the entire
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* DOM starting from this value.
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*
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* @see nsIDOMWindow
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*/
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readonly attribute nsIDOMWindow contentDOMWindow;
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};
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