/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- * ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * 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 the Initial Developer are Copyright (C) 1999 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Travis Bogard * Darin Fisher * * Alternatively, the contents of this file may be used under the terms of * either of the GNU General Public License Version 2 or later (the "GPL"), * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ #include "nsISupports.idl" interface nsIDOMDocument; interface nsIInputStream; interface nsISHistory; interface nsIURI; /** * The nsIWebNavigation interface defines an interface for navigating the web. * It provides methods and attributes to direct an object to navigate to a new * location, stop or restart an in process load, or determine where the object * has previously gone. * * @status UNDER_REVIEW */ [scriptable, uuid(F5D9E7B0-D930-11d3-B057-00A024FFC08C)] interface nsIWebNavigation : nsISupports { /** * Indicates if the object can go back. If true this indicates that * there is back session history available for navigation. */ readonly attribute boolean canGoBack; /** * Indicates if the object can go forward. If true this indicates that * there is forward session history available for navigation */ readonly attribute boolean canGoForward; /** * Tells the object to navigate to the previous session history item. When a * page is loaded from session history, all content is loaded from the cache * (if available) and page state (such as form values and scroll position) is * restored. * * @throw NS_ERROR_UNEXPECTED * Indicates that the call was unexpected at this time, which implies * that canGoBack is false. */ void goBack(); /** * Tells the object to navigate to the next session history item. When a * page is loaded from session history, all content is loaded from the cache * (if available) and page state (such as form values and scroll position) is * restored. * * @throw NS_ERROR_UNEXPECTED * Indicates that the call was unexpected at this time, which implies * that canGoForward is false. */ void goForward(); /** * Tells the object to navigate to the session history item at a given index. * * @throw NS_ERROR_UNEXPECTED * Indicates that the call was unexpected at this time, which implies * that session history entry at the given index does not exist. */ void gotoIndex(in long index); /**************************************************************************** * The following flags may be bitwise combined to form the load flags * parameter passed to either the loadURI or reload method. Some of these * flags are only applicable to loadURI. */ /** * This flags defines the range of bits that may be specified. */ const unsigned long LOAD_FLAGS_MASK = 0xffff; /** * This is the default value for the load flags parameter. */ const unsigned long LOAD_FLAGS_NONE = 0x0000; /** * This flag specifies that the load should have the semantics of an HTML * Meta-refresh tag (i.e., that the cache should be bypassed). This flag * is only applicable to loadURI. * XXX the meaning of this flag is poorly defined. * XXX no one uses this, so we should probably deprecate and remove it. */ const unsigned long LOAD_FLAGS_IS_REFRESH = 0x0010; /** * This flag specifies that the load should have the semantics of a link * click. This flag is only applicable to loadURI. * XXX the meaning of this flag is poorly defined. */ const unsigned long LOAD_FLAGS_IS_LINK = 0x0020; /** * This flag specifies that history should not be updated. This flag is only * applicable to loadURI. */ const unsigned long LOAD_FLAGS_BYPASS_HISTORY = 0x0040; /** * This flag specifies that any existing history entry should be replaced. * This flag is only applicable to loadURI. */ const unsigned long LOAD_FLAGS_REPLACE_HISTORY = 0x0080; /** * This flag specifies that the local web cache should be bypassed, but an * intermediate proxy cache could still be used to satisfy the load. */ const unsigned long LOAD_FLAGS_BYPASS_CACHE = 0x0100; /** * This flag specifies that any intermediate proxy caches should be bypassed * (i.e., that the content should be loaded from the origin server). */ const unsigned long LOAD_FLAGS_BYPASS_PROXY = 0x0200; /** * This flag specifies that a reload was triggered as a result of detecting * an incorrect character encoding while parsing a previously loaded * document. */ const unsigned long LOAD_FLAGS_CHARSET_CHANGE = 0x0400; /** * If this flag is set, Stop() will be called before the load starts * and will stop both content and network activity (the default is to * only stop network activity). Effectively, this passes the * STOP_CONTENT flag to Stop(), in addition to the STOP_NETWORK flag. */ const unsigned long LOAD_FLAGS_STOP_CONTENT = 0x0800; /** * A hint this load was prompted by an external program: take care! */ const unsigned long LOAD_FLAGS_FROM_EXTERNAL = 0x1000; /** * This flag specifies that the URI may be submitted to a third-party * server for correction. This should only be applied to non-sensitive * URIs entered by users. */ const unsigned long LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP = 0x2000; /** * This flag specifies that this is the first load in this object. * Set with care, since setting incorrectly can cause us to assume that * nothing was actually loaded in this object if the load ends up being * handled by an external application. */ const unsigned long LOAD_FLAGS_FIRST_LOAD = 0x4000; /** * This flag specifies that the load should not be subject to popup * blocking checks. */ const unsigned long LOAD_FLAGS_ALLOW_POPUPS = 0x8000; /** * 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 URI dispatcher will go through its normal process of content * loading. * * @param aURI * The URI string to load. For HTTP and FTP URLs and possibly others, * characters above U+007F will be converted to UTF-8 and then URL- * escaped per the rules of RFC 2396. * @param aLoadFlags * Flags modifying load behaviour. This parameter is a bitwise * combination of the load flags defined above. (Undefined bits are * reserved for future use.) Generally you will pass LOAD_FLAGS_NONE * for this parameter. * @param aReferrer * The referring URI. If this argument is null, then the referring * URI will be inferred internally. * @param aPostData * If the URI corresponds to a HTTP request, then this stream is * appended directly to the HTTP request headers. It may be prefixed * with additional HTTP headers. This stream must contain a "\r\n" * sequence separating any HTTP headers from the HTTP request body. * This parameter is optional and may be null. * @param aHeaders * If the URI corresponds to a HTTP request, then any HTTP headers * contained in this stream are set on the HTTP request. The HTTP * header stream is formatted as: * ( HEADER "\r\n" )* * This parameter is optional and may be null. */ void loadURI(in wstring aURI, in unsigned long aLoadFlags, in nsIURI aReferrer, in nsIInputStream aPostData, in nsIInputStream aHeaders); /** * Tells the Object to reload the current page. There may be cases where the * user will be asked to confirm the reload (for example, when it is * determined that the request is non-idempotent). * * @param aReloadFlags * Flags modifying load behaviour. This parameter is a bitwise * combination of the Load Flags defined above. (Undefined bits are * reserved for future use.) Generally you will pass LOAD_FLAGS_NONE * for this parameter. * * @throw NS_BINDING_ABORTED * Indicating that the user canceled the reload. */ void reload(in unsigned long aReloadFlags); /**************************************************************************** * The following flags may be passed as the stop flags parameter to the stop * method defined on this interface. */ /** * This flag specifies that all network activity should be stopped. This * includes both active network loads and pending META-refreshes. */ const unsigned long STOP_NETWORK = 0x01; /** * This flag specifies that all content activity should be stopped. This * includes animated images, plugins and pending Javascript timeouts. */ const unsigned long STOP_CONTENT = 0x02; /** * This flag specifies that all activity should be stopped. */ const unsigned long STOP_ALL = 0x03; /** * Stops a load of a URI. * * @param aStopFlags * This parameter is one of the stop flags defined above. */ void stop(in unsigned long aStopFlags); /** * Retrieves the current DOM document for the frame, or lazily creates a * blank document if there is none. This attribute never returns null except * for unexpected error situations. */ readonly attribute nsIDOMDocument document; /** * The currently loaded URI or null. */ readonly attribute nsIURI currentURI; /** * The referring URI for the currently loaded URI or null. */ readonly attribute nsIURI referringURI; /** * The session history object used by this web navigation instance. */ attribute nsISHistory sessionHistory; };