gecko-dev/docshell/base/nsILoadURIDelegate.idl
2023-03-17 01:41:50 +00:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 nsIURI;
interface nsIPrincipal;
/**
* The nsILoadURIDelegate interface.
* Used for delegating URI loads to GeckoView's application, e.g., Custom Tabs
* or Progressive Web Apps.
*/
[scriptable, uuid(78e42d37-a34c-4d96-b901-25385669aba4)]
interface nsILoadURIDelegate : nsISupports
{
/**
* Delegates page load error handling. This may be called for either top-level
* loads or subframes.
*
* @param aURI The URI that failed to load.
* @param aError The error code.
* @param aErrorModule The error module code.
* Returns an error page URL to load, or null to show the default error page.
* No error page is shown at all if an error is thrown.
*/
nsIURI
handleLoadError(in nsIURI aURI, in nsresult aError, in short aErrorModule);
};