Source code
Revision control
Copy as Markdown
Other Tools
// -*- indent-tabs-mode: nil; js-indent-level: 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,
import { GeckoViewUtils } from "resource://gre/modules/GeckoViewUtils.sys.mjs";
const { debug, warn } = GeckoViewUtils.initLogging("LoadURIDelegate");
export const LoadURIDelegate = {
// Delegate URI loading to the app.
// Return whether the loading has been handled.
load(aWindow, aEventDispatcher, aUri, aWhere, aFlags, aTriggeringPrincipal) {
if (!aWindow) {
return false;
}
const triggerUri =
aTriggeringPrincipal &&
(aTriggeringPrincipal.isNullPrincipal ? null : aTriggeringPrincipal.URI);
const message = {
type: "GeckoView:OnLoadRequest",
uri: aUri ? aUri.displaySpec : "",
where: aWhere,
flags: aFlags,
triggerUri: triggerUri && triggerUri.displaySpec,
hasUserGesture: aWindow.document.hasValidTransientUserGestureActivation,
};
let handled = undefined;
aEventDispatcher.sendRequestForResult(message).then(
response => {
handled = response;
},
() => {
// There was an error or listener was not registered in GeckoSession,
// treat as unhandled.
handled = false;
}
);
Services.tm.spinEventLoopUntil(
"LoadURIDelegate.sys.mjs:load",
() => aWindow.closed || handled !== undefined
);
return handled || false;
},
handleLoadError(aWindow, aEventDispatcher, aUri, aError, aErrorModule) {
let errorClass = 0;
try {
const nssErrorsService = Cc[
"@mozilla.org/nss_errors_service;1"
].getService(Ci.nsINSSErrorsService);
errorClass = nssErrorsService.getErrorClass(aError);
} catch (e) {}
const msg = {
type: "GeckoView:OnLoadError",
uri: aUri && aUri.spec,
error: aError,
errorModule: aErrorModule,
errorClass,
};
let errorPageURI = undefined;
aEventDispatcher.sendRequestForResult(msg).then(
response => {
try {
errorPageURI = response ? Services.io.newURI(response) : null;
} catch (e) {
warn`Failed to parse URI '${response}`;
errorPageURI = null;
Components.returnCode = Cr.NS_ERROR_ABORT;
}
},
() => {
errorPageURI = null;
Components.returnCode = Cr.NS_ERROR_ABORT;
}
);
Services.tm.spinEventLoopUntil(
"LoadURIDelegate.sys.mjs:handleLoadError",
() => aWindow.closed || errorPageURI !== undefined
);
return errorPageURI;
},
isSafeBrowsingError(aError) {
return (
aError === Cr.NS_ERROR_PHISHING_URI ||
aError === Cr.NS_ERROR_MALWARE_URI ||
aError === Cr.NS_ERROR_HARMFUL_URI ||
aError === Cr.NS_ERROR_UNWANTED_URI
);
},
};