mirror of
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387 lines
14 KiB
Plaintext
387 lines
14 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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interface nsIInputStream;
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interface nsISHistory;
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interface nsIURI;
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interface nsIPrincipal;
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interface nsIChildSHistory;
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webidl Document;
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%{ C++
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#include "mozilla/dom/ChildSHistory.h"
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namespace mozilla {
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namespace dom {
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struct LoadURIOptions;
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} // namespace dom
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} // namespace mozilla
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%}
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[ref] native LoadURIOptionsRef(const mozilla::dom::LoadURIOptions);
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/**
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* The nsIWebNavigation interface defines an interface for navigating the web.
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* It provides methods and attributes to direct an object to navigate to a new
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* location, stop or restart an in process load, or determine where the object
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* has previously gone.
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*
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* Even though this is builtinclass, most of the interface is also implemented
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* in RemoteWebNavigation, so if this interface changes, the implementation
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* there may also need to change.
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*/
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[scriptable, builtinclass, uuid(3ade79d4-8cb9-4952-b18d-4f9b63ca0d31)]
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interface nsIWebNavigation : nsISupports
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{
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/**
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* Indicates if the object can go back. If true this indicates that
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* there is back session history available for navigation.
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*/
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readonly attribute boolean canGoBack;
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/**
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* Indicates if the object can go forward. If true this indicates that
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* there is forward session history available for navigation
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*/
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readonly attribute boolean canGoForward;
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/**
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* Tells the object to navigate to the previous session history item. When a
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* page is loaded from session history, all content is loaded from the cache
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* (if available) and page state (such as form values and scroll position) is
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* restored.
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*
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* @param {boolean} aRequireUserInteraction
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* Tells goBack to skip history items that did not record any user
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* interaction on their corresponding document while they were active.
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* This means in case of multiple entries mapping to the same document,
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* each entry has to have been flagged with user interaction separately.
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* If no items have user interaction, the function will fall back
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* to the first session history entry.
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*
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* @param {boolean} aUserActivation
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* Tells goBack that the call was triggered by a user action (e.g.:
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* The user clicked the back button).
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*
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* @throw NS_ERROR_UNEXPECTED
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* Indicates that the call was unexpected at this time, which implies
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* that canGoBack is false.
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*/
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void goBack([optional] in boolean aRequireUserInteraction, [optional] in boolean aUserActivation);
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/**
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* Tells the object to navigate to the next session history item. When a
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* page is loaded from session history, all content is loaded from the cache
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* (if available) and page state (such as form values and scroll position) is
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* restored.
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*
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* @param {boolean} aRequireUserInteraction
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* Tells goForward to skip history items that did not record any user
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* interaction on their corresponding document while they were active.
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* This means in case of multiple entries mapping to the same document,
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* each entry has to have been flagged with user interaction separately.
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* If no items have user interaction, the function will fall back
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* to the latest session history entry.
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*
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* @param {boolean} aUserActivation
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* Tells goForward that the call was triggered by a user action (e.g.:
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* The user clicked the forward button).
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*
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* @throw NS_ERROR_UNEXPECTED
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* Indicates that the call was unexpected at this time, which implies
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* that canGoForward is false.
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*/
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void goForward([optional] in boolean aRequireUserInteraction, [optional] in boolean aUserActivation);
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/**
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* Tells the object to navigate to the session history item at a given index.
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*
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* @param {boolean} aUserActivation
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* Tells goForward that the call was triggered by a user action (e.g.:
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* The user clicked the forward button).
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*
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* @throw NS_ERROR_UNEXPECTED
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* Indicates that the call was unexpected at this time, which implies
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* that session history entry at the given index does not exist.
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*/
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void gotoIndex(in long index, [optional] in boolean aUserActivation);
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/****************************************************************************
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* The following flags may be bitwise combined to form the load flags
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* parameter passed to either the loadURI or reload method. Some of these
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* flags are only applicable to loadURI.
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*/
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/**
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* This flags defines the range of bits that may be specified. Flags
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* outside this range may be used, but may not be passed to Reload().
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*/
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const unsigned long LOAD_FLAGS_MASK = 0xffff;
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/**
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* This is the default value for the load flags parameter.
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*/
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const unsigned long LOAD_FLAGS_NONE = 0x0000;
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/**
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* Flags 0x1, 0x2, 0x4, 0x8 are reserved for internal use by
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* nsIWebNavigation implementations for now.
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*/
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/**
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* This flag specifies that the load should have the semantics of an HTML
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* Meta-refresh tag (i.e., that the cache should be bypassed). This flag
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* is only applicable to loadURI.
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* XXX the meaning of this flag is poorly defined.
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* XXX no one uses this, so we should probably deprecate and remove it.
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*/
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const unsigned long LOAD_FLAGS_IS_REFRESH = 0x0010;
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/**
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* This flag specifies that the load should have the semantics of a link
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* click. This flag is only applicable to loadURI.
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* XXX the meaning of this flag is poorly defined.
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*/
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const unsigned long LOAD_FLAGS_IS_LINK = 0x0020;
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/**
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* This flag specifies that history should not be updated. This flag is only
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* applicable to loadURI.
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*/
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const unsigned long LOAD_FLAGS_BYPASS_HISTORY = 0x0040;
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/**
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* This flag specifies that any existing history entry should be replaced.
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* This flag is only applicable to loadURI.
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*/
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const unsigned long LOAD_FLAGS_REPLACE_HISTORY = 0x0080;
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/**
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* This flag specifies that the local web cache should be bypassed, but an
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* intermediate proxy cache could still be used to satisfy the load.
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*/
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const unsigned long LOAD_FLAGS_BYPASS_CACHE = 0x0100;
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/**
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* This flag specifies that any intermediate proxy caches should be bypassed
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* (i.e., that the content should be loaded from the origin server).
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*/
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const unsigned long LOAD_FLAGS_BYPASS_PROXY = 0x0200;
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/**
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* This flag specifies that a reload was triggered as a result of detecting
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* an incorrect character encoding while parsing a previously loaded
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* document.
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*/
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const unsigned long LOAD_FLAGS_CHARSET_CHANGE = 0x0400;
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/**
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* If this flag is set, Stop() will be called before the load starts
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* and will stop both content and network activity (the default is to
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* only stop network activity). Effectively, this passes the
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* STOP_CONTENT flag to Stop(), in addition to the STOP_NETWORK flag.
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*/
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const unsigned long LOAD_FLAGS_STOP_CONTENT = 0x0800;
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/**
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* A hint this load was prompted by an external program: take care!
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*/
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const unsigned long LOAD_FLAGS_FROM_EXTERNAL = 0x1000;
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/**
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* This flag specifies that this is the first load in this object.
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* Set with care, since setting incorrectly can cause us to assume that
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* nothing was actually loaded in this object if the load ends up being
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* handled by an external application. This flag must not be passed to
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* Reload.
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*/
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const unsigned long LOAD_FLAGS_FIRST_LOAD = 0x4000;
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/**
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* This flag specifies that the load should not be subject to popup
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* blocking checks. This flag must not be passed to Reload.
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*/
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const unsigned long LOAD_FLAGS_ALLOW_POPUPS = 0x8000;
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/**
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* This flag specifies that the URI classifier should not be checked for
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* this load. This flag must not be passed to Reload.
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*/
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const unsigned long LOAD_FLAGS_BYPASS_CLASSIFIER = 0x10000;
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/**
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* Force relevant cookies to be sent with this load even if normally they
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* wouldn't be.
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*/
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const unsigned long LOAD_FLAGS_FORCE_ALLOW_COOKIES = 0x20000;
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/**
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* Prevent the owner principal from being inherited for this load.
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*/
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const unsigned long LOAD_FLAGS_DISALLOW_INHERIT_PRINCIPAL = 0x40000;
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/**
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* Overwrite the returned error code with a specific result code
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* when an error page is displayed.
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*/
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const unsigned long LOAD_FLAGS_ERROR_LOAD_CHANGES_RV = 0x80000;
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/**
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* This flag specifies that the URI may be submitted to a third-party
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* server for correction. This should only be applied to non-sensitive
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* URIs entered by users. This flag must not be passed to Reload.
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*/
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const unsigned long LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP = 0x100000;
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/**
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* This flag specifies that common scheme typos should be corrected.
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*/
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const unsigned long LOAD_FLAGS_FIXUP_SCHEME_TYPOS = 0x200000;
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/**
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* Allows a top-level data: navigation to occur. E.g. view-image
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* is an explicit user action which should be allowed.
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*/
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const unsigned long LOAD_FLAGS_FORCE_ALLOW_DATA_URI = 0x400000;
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/**
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* This load is the result of an HTTP redirect.
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*/
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const unsigned long LOAD_FLAGS_IS_REDIRECT = 0x800000;
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/**
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* These flags force TRR modes 1 or 3 for the load.
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*/
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const unsigned long LOAD_FLAGS_DISABLE_TRR = 0x1000000;
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const unsigned long LOAD_FLAGS_FORCE_TRR = 0x2000000;
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/**
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* This load should bypass the LoadURIDelegate.loadUri.
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*/
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const unsigned long LOAD_FLAGS_BYPASS_LOAD_URI_DELEGATE = 0x4000000;
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/**
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* This load has a user activation. (e.g: reload button was clicked)
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*/
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const unsigned long LOAD_FLAGS_USER_ACTIVATION = 0x8000000;
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/**
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* Loads a given URI. This will give priority to loading the requested URI
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* in the object implementing this interface. If it can't be loaded here
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* however, the URI dispatcher will go through its normal process of content
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* loading.
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*
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* @param aURI
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* The URI string to load. For HTTP and FTP URLs and possibly others,
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* characters above U+007F will be converted to UTF-8 and then URL-
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* escaped per the rules of RFC 2396.
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* @param aLoadURIOptions
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* A JSObject defined in LoadURIOptions.webidl holding info like e.g.
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* the triggeringPrincipal, the referrer info.
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*/
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[implicit_jscontext, binaryname(LoadURIFromScript)]
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void loadURI(in AString aURI,
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in jsval aLoadURIOptions);
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/**
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* A C++ friendly version of loadURI
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*/
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[nostdcall, binaryname(LoadURI)]
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void binaryLoadURI(in AString aURI,
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in LoadURIOptionsRef aLoadURIOptions);
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/**
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* Tells the Object to reload the current page. There may be cases where the
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* user will be asked to confirm the reload (for example, when it is
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* determined that the request is non-idempotent).
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*
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* @param aReloadFlags
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* Flags modifying load behaviour. This parameter is a bitwise
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* combination of the Load Flags defined above. (Undefined bits are
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* reserved for future use.) Generally you will pass LOAD_FLAGS_NONE
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* for this parameter.
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*
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* @throw NS_BINDING_ABORTED
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* Indicating that the user canceled the reload.
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*/
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void reload(in unsigned long aReloadFlags);
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/****************************************************************************
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* The following flags may be passed as the stop flags parameter to the stop
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* method defined on this interface.
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*/
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/**
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* This flag specifies that all network activity should be stopped. This
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* includes both active network loads and pending META-refreshes.
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*/
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const unsigned long STOP_NETWORK = 0x01;
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/**
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* This flag specifies that all content activity should be stopped. This
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* includes animated images, plugins and pending Javascript timeouts.
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*/
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const unsigned long STOP_CONTENT = 0x02;
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/**
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* This flag specifies that all activity should be stopped.
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*/
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const unsigned long STOP_ALL = 0x03;
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/**
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* Stops a load of a URI.
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*
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* @param aStopFlags
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* This parameter is one of the stop flags defined above.
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*/
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void stop(in unsigned long aStopFlags);
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/**
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* Retrieves the current DOM document for the frame, or lazily creates a
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* blank document if there is none. This attribute never returns null except
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* for unexpected error situations.
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*/
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readonly attribute Document document;
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/**
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* The currently loaded URI or null.
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*/
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readonly attribute nsIURI currentURI;
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/**
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* The session history object used by this web navigation instance. This
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* object will be a mozilla::dom::ChildSHistory object, but is returned as
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* nsISupports so it can be called from JS code.
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*/
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[binaryname(SessionHistoryXPCOM)]
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readonly attribute nsISupports sessionHistory;
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%{ C++
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/**
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* Get the session history object used by this nsIWebNavigation instance.
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* Use this method instead of the XPCOM method when getting the
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* SessionHistory from C++ code.
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*/
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already_AddRefed<mozilla::dom::ChildSHistory>
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GetSessionHistory()
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{
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nsCOMPtr<nsISupports> history;
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GetSessionHistoryXPCOM(getter_AddRefs(history));
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return history.forget()
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.downcast<mozilla::dom::ChildSHistory>();
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}
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%}
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/**
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* Resume a load which has been redirected from another process.
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*
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* A negative |aHistoryIndex| value corresponds to a non-history load being
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* resumed.
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*/
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void resumeRedirectedLoad(in unsigned long long aLoadIdentifier,
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in long aHistoryIndex);
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};
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