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/* 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
/**
* Implements nsIPromptCollection
*
* @class PromptCollection
*/
export class PromptCollection {
asyncBeforeUnloadCheck(browsingContext) {
let title;
let message;
let leaveLabel;
let stayLabel;
try {
title = this.domBundle.GetStringFromName("OnBeforeUnloadTitle");
message = this.domBundle.GetStringFromName("OnBeforeUnloadMessage2");
leaveLabel = this.domBundle.GetStringFromName(
"OnBeforeUnloadLeaveButton"
);
stayLabel = this.domBundle.GetStringFromName("OnBeforeUnloadStayButton");
} catch (exception) {
console.error("Failed to get strings from dom.properties");
return false;
}
const contentViewer = browsingContext?.docShell?.contentViewer;
// TODO: Do we really want to allow modal dialogs from inactive
// content viewers at all, particularly for permit unload prompts?
const modalAllowed = contentViewer
? contentViewer.isTabModalPromptAllowed
: browsingContext.ancestorsAreCurrent;
const modalType =
Ci.nsIPromptService[
modalAllowed ? "MODAL_TYPE_CONTENT" : "MODAL_TYPE_WINDOW"
];
const buttonFlags =
Ci.nsIPromptService.BUTTON_POS_0_DEFAULT |
(Ci.nsIPromptService.BUTTON_TITLE_IS_STRING *
Ci.nsIPromptService.BUTTON_POS_0) |
(Ci.nsIPromptService.BUTTON_TITLE_IS_STRING *
Ci.nsIPromptService.BUTTON_POS_1);
return Services.prompt
.asyncConfirmEx(
browsingContext,
modalType,
title,
message,
buttonFlags,
leaveLabel,
stayLabel,
null,
null,
false,
// Tell the prompt service that this is a permit unload prompt
// so that it can set the appropriate flag on the detail object
// of the events it dispatches.
{ inPermitUnload: true }
)
.then(
result =>
result.QueryInterface(Ci.nsIPropertyBag2).get("buttonNumClicked") == 0
);
}
}
ChromeUtils.defineLazyGetter(
PromptCollection.prototype,
"domBundle",
function () {
const bundle = Services.strings.createBundle(
);
if (!bundle) {
throw new Error("String bundle for dom not present!");
}
return bundle;
}
);
PromptCollection.prototype.classID = Components.ID(
"{7913837c-9623-11ea-bb37-0242ac130002}"
);
PromptCollection.prototype.QueryInterface = ChromeUtils.generateQI([
"nsIPromptCollection",
]);