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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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
module.metadata = {
"stability": "stable"
};
const { Cc, Ci, Cr } = require("chrome");
const apiUtils = require("./deprecated/api-utils");
const { isString, isUndefined, instanceOf } = require('./lang/type');
const { URL, isLocalURL } = require('./url');
const { data } = require('./self');
const NOTIFICATION_DIRECTIONS = ["auto", "ltr", "rtl"];
try {
let alertServ = Cc["@mozilla.org/alerts-service;1"].
getService(Ci.nsIAlertsService);
// The unit test sets this to a mock notification function.
var notify = alertServ.showAlertNotification.bind(alertServ);
}
catch (err) {
// An exception will be thrown if the platform doesn't provide an alert
// service, e.g., if Growl is not installed on OS X. In that case, use a
// mock notification function that just logs to the console.
notify = notifyUsingConsole;
}
exports.notify = function notifications_notify(options) {
let valOpts = validateOptions(options);
let clickObserver = !valOpts.onClick ? null : {
observe: (subject, topic, data) => {
if (topic === "alertclickcallback") {
try {
valOpts.onClick.call(exports, valOpts.data);
}
catch(e) {
console.exception(e);
}
}
}
};
function notifyWithOpts(notifyFn) {
let { iconURL } = valOpts;
iconURL = iconURL && isLocalURL(iconURL) ? data.url(iconURL) : iconURL;
notifyFn(iconURL, valOpts.title, valOpts.text, !!clickObserver,
valOpts.data, clickObserver, valOpts.tag, valOpts.dir, valOpts.lang);
}
try {
notifyWithOpts(notify);
}
catch (err) {
if (err instanceof Ci.nsIException && err.result == Cr.NS_ERROR_FILE_NOT_FOUND) {
console.warn("The notification icon named by " + iconURL +
" does not exist. A default icon will be used instead.");
delete valOpts.iconURL;
notifyWithOpts(notify);
}
else {
notifyWithOpts(notifyUsingConsole);
}
}
};
function notifyUsingConsole(iconURL, title, text) {
title = title ? "[" + title + "]" : "";
text = text || "";
let str = [title, text].filter(s => s).join(" ");
console.log(str);
}
function validateOptions(options) {
return apiUtils.validateOptions(options, {
data: {
is: ["string", "undefined"]
},
iconURL: {
is: ["string", "undefined", "object"],
ok: function(value) {
return isUndefined(value) || isString(value) || (value instanceof URL);
},
msg: "`iconURL` must be a string or an URL instance."
},
onClick: {
is: ["function", "undefined"]
},
text: {
is: ["string", "undefined", "number"]
},
title: {
is: ["string", "undefined", "number"]
},
tag: {
is: ["string", "undefined", "number"]
},
dir: {
is: ["string", "undefined"],
ok: function(value) {
return isUndefined(value) || ~NOTIFICATION_DIRECTIONS.indexOf(value);
},
msg: '`dir` option must be one of: "auto", "ltr" or "rtl".'
},
lang: {
is: ["string", "undefined"]
}
});
}
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