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extension.js
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extension.js
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/*
* Copyright (c) 2012-2017 Gmail Message Tray contributors
*
* Gmail Message Tray Extension is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* Gmail Message Tray Extension is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with Gnome Documents; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors:
* Adam Jabłoński <jablona123@gmail.com>
* Shuming Chan <shuming0207@gmail.com>
*
*/
"use strict";
/** @external imports*/
const GLib = imports.gi.GLib;
const Me = imports.misc.extensionUtils.getCurrentExtension();
const Mainloop = imports.mainloop;
const Main = imports.ui.main;
const Console = Me.imports.console.Console;
const Conf = Me.imports.Conf.Conf;
const EmailAccount = Me.imports.EmailAccount.EmailAccount;
const _version = Me.metadata['version'];
let extension;
let Goa;
try {
Goa = imports.gi.Goa;
} catch (err) {
log("[" + Me.metadata['name'] + "] " + err.message + ", " + err.stack);
}
/**
* Initializes translations for the extension
*/
function init() {
log("[" + Me.metadata['name'] + "] Init version " + _version);
Conf.setupTranslations();
}
const supportedProviders = new Set(["google", "windows_live"]);
/**
* An instance of this gnome extension
*/
var Extension = class {
constructor() {
this._console = new Console();
this._console.log('Enabling ' + _version);
/** @type Conf */
this.config = new Conf(this);
this.checkMailTimeout = null;
Extension._libCheck();
this._getEmailAccounts(emailAccounts => {
this.goaAccounts = emailAccounts;
this.startTimeout();
this.initialCheckMail = GLib.timeout_add_seconds(0, 5, () => {
this._checkMail();
this.initialCheckMail = null;
return false;
});
});
}
/**
* Checks the mail for each account available
* @private
*/
_checkMail() {
this._console.log("Checking mail");
for (let account of this.goaAccounts) {
account.scanInbox();
}
}
/**
* Returns a list of all Gnome Online Accounts
* @param callback - callback that is called with {EmailAccount[]} as parameter
* @private
*/
_getEmailAccounts(callback) {
const emailAccounts = [];
Goa.Client.new(null, (proxy, asyncResult) => {
const aClient = Goa.Client.new_finish(asyncResult);
const accounts = aClient.get_accounts();
for (let account of accounts) {
const provider = account.get_account().provider_type;
if (supportedProviders.has(provider)) {
emailAccounts.push(new EmailAccount(this.config, account));
}
}
if (emailAccounts.length === 0) {
Main.notifyError(_("No email accounts found"));
throw new Error("No email accounts found");
}
callback(emailAccounts);
}
);
}
/**
* Checks if required libraries are installed
* @private
*/
static _libCheck() {
if (Goa === undefined) {
Main.notifyError(_("Install gir1.2-goa"));
throw new Error("No Goa found");
}
}
/**
* Checks mail using timeout from config
*/
startTimeout() {
this.checkMailTimeout = GLib.timeout_add_seconds(0, this.config.getTimeout(), () => {
this._checkMail();
return true;
});
}
/**
* Stops checking mail
*/
stopTimeout() {
Mainloop.source_remove(this.checkMailTimeout);
if (this.initialCheckMail !== null) Mainloop.source_remove(this.initialCheckMail);
}
/**
* Stops and cleans up extension
*/
destroy() {
this.stopTimeout();
for (let account of this.goaAccounts) {
account.destroySources();
}
}
};
/**
* Sets up the extension
*/
function enable() {
try {
extension = new Extension();
} catch (err) {
log("[" + Me.metadata['name'] + "] " + err);
}
}
/**
* Stops and cleans up extension
*/
function disable() {
try {
extension.destroy();
extension = null;
} catch (err) {
log("[" + Me.metadata['name'] + "] " + err);
}
}