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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
interface nsIChannel;
interface nsIPrincipal;
interface nsIURI;
[scriptable, uuid(a5e61a3c-51bd-45be-ac0c-e87b71860656)]
interface nsIRefreshURI : nsISupports {
/**
* Load a uri after waiting for aMillis milliseconds. If the docshell
* is busy loading a page currently, the refresh request will be
* queued and executed when the current load finishes.
*
* @param aUri The uri to refresh.
* @param aPrincipal The triggeringPrincipal for the refresh load
* May be null, in which case the principal of current document will be
* applied.
* @param aMillis The number of milliseconds to wait.
* @param aRepeat Flag to indicate if the uri is to be
* repeatedly refreshed every aMillis milliseconds.
* @param aMetaRefresh Flag to indicate if this is a Meta refresh.
*/
void refreshURI(in nsIURI aURI, in nsIPrincipal aPrincipal,
in long aMillis, in boolean aRepeat,
in boolean aMetaRefresh);
/**
* Loads a URI immediately as if it were a refresh.
*
* @param aURI The URI to refresh.
* @param aPrincipal The triggeringPrincipal for the refresh load
* May be null, in which case the principal of current document will be
* applied.
* @param aMillis The number of milliseconds by which this refresh would
* be delayed if it were not being forced.
* @param aMetaRefresh Flag to indicate if this is a meta refresh.
*/
void forceRefreshURI(in nsIURI aURI, in nsIPrincipal aPrincipal,
in long aMillis, in boolean aMetaRefresh);
/**
* Checks the passed in channel to see if there is a refresh header,
* if there is, will setup a timer to refresh the uri found
* in the header. If docshell is busy loading a page currently, the
* request will be queued and executed when the current page
* finishes loading.
*
* Returns the NS_REFRESHURI_HEADER_FOUND success code if a refresh
* header was found and successfully setup.
*
* @param aChannel The channel to be parsed.
*/
void setupRefreshURI(in nsIChannel aChannel);
/**
* Parses the passed in header string and sets up a refreshURI if
* a "refresh" header is found. If docshell is busy loading a page
* currently, the request will be queued and executed when
* the current page finishes loading.
*
* @param aBaseURI base URI to resolve refresh uri with.
* @param aPrincipal The triggeringPrincipal for the refresh load
* May be null, in which case the principal of current document will be
* applied.
* @param aInnerWindowID The window id to use for error reporting.
* @param aHeader The meta refresh header string.
*/
void setupRefreshURIFromHeader(in nsIURI aBaseURI,
in nsIPrincipal principal,
in unsigned long long aInnerWindowID,
in ACString aHeader);
/**
* Cancels all timer loads.
*/
void cancelRefreshURITimers();
/**
* True when there are pending refreshes, false otherwise.
*/
readonly attribute boolean refreshPending;
};