gecko-dev/docshell/base/nsIDocShell.idl

/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * 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):
 *   Travis Bogard <travis@netscape.com>
 *   Steve Clark <buster@netscape.com>
 */

#include "nsISupports.idl"
#include "domstubs.idl"
#include "nsIPref.idl"
#include "nsIURIContentListener.idl"
#include "nsIURI.idl"

%{ C++
#include "nsIPresContext.h"
#include "nsIContentViewer.h"
#include "nsIDocumentLoaderObserver.h"
%}

/**
 * The nsIDocShell
 */

[ptr] native nsIPresContext(nsIPresContext);
[ptr] native nsIPresShell(nsIPresShell);
[ptr] native nsIContentViewer(nsIContentViewer);

interface nsIChromeEventHandler;
interface nsIDocumentLoaderObserver;

[scriptable, uuid(69E5DE00-7B8B-11d3-AF61-00A024FFC08C)]
interface nsIDocShell : nsISupports
{
	/*
	Loads a given URI.  This will give priority to loading the requested URI
	in the object implementing	this interface.  If it can't be loaded here
	however, the URL dispatcher will go through its normal process of content
	loading.

	@param uri - The URI to load.
	@param presContext - Presentation Context to use for the new URL.  This
		may be null.
	*/
	[noscript]void loadURI(in nsIURI uri, in nsIPresContext presContext);

	/*
	Loads a given URI through the specified adapter.  This will give priority
	to loading the requested URI in the object implementing this interface.
	If it can't be loaded here	however, the URL dispatcher will go through its
	normal process of content loading.

	@param uri - The URI to load.
	@param presContext - Presentation Context to use for the new URL.  This
		may be null.
	@param adapterBinding - The local IP address of the adapter to bind to.
	*/
	[noscript]void loadURIVia(in nsIURI uri, in nsIPresContext presContext, 
		in unsigned long adapterBinding);

	/*
	Stops a current load.  This simply stops the network portion of the load.
	If you wish to do a complete stop, then you should us the
	nsIWebNavigation::Stop() method. 
	*/
	void stopLoad();
	/*
	Sets the current document to the one being passed in.  This will simulate
	a load.

	@param document - The document to load.
	@param rootNode - The root of the document content, to be hooked up
	*/
	[noscript]void setDocument(in nsIDOMDocument document, in nsIDOMElement rootNode);

	/*
	The current URI that is loaded.
	*/
	readonly attribute nsIURI currentURI;

  /* clients may get and set an nsIDocumentLoaderObserver, which will be notified
   * during loadURI, loadURIVia, and setDocument
   */
   attribute nsIDocumentLoaderObserver docLoaderObserver;

	/*
	Presentation context for the currently loaded document.  This may be null.
	*/
	[noscript] readonly attribute nsIPresContext presContext;

	/*
	Presentation context for the currently loaded document.  This may be null.
	*/
	[noscript] readonly attribute nsIPresShell presShell;

	/*
	Content Viewer that is currently loaded for this DocShell.  This may change
	as the underlying content changes.
	*/
	[noscript] readonly attribute nsIContentViewer contentViewer;

	/*
	This attribute allows chrome to tie in to handle DOM events that may be of
	interest to chrome.
	*/
	attribute nsIChromeEventHandler chromeEventHandler;

	/*
	URI content listener parent
	*/
	attribute nsIURIContentListener parentURIContentListener;

	/*
	Attribute stating if it should allow plugins or not.
	*/
	attribute boolean allowPlugins;

	/*
	Definitions for the viewModes the docShell can be in.
	*/
	const long viewNormal=0;
	const long viewSource=1;

	/*
	This is the mode that the docShell is in for viewing when a load occurs.
	*/
	attribute long viewMode;

	/**
	* Set/Get the document scale factor.  When setting this attribute, a
	* NS_ERROR_NOT_IMPLEMENTED error may be returned by implementations
	* not supporting zoom.  Implementations not supporting zoom should return
	* 1.0 all the time for the Get operation.  1.0 by the way is the default
	* of zoom.  This means 100% of normal scaling or in other words normal size
	* no zoom. 
	*/
	attribute float zoom;

	/*
	XXX Comment here!
	*/
	attribute long marginWidth;

	/*
	XXX Comment here!
	*/
	attribute long marginHeight;
};