61 lines
1.7 KiB
JavaScript
61 lines
1.7 KiB
JavaScript
'use strict';
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const app = require('electron').app;
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const EventEmitter = require('events').EventEmitter;
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const squirrelUpdate = require('./squirrel-update-win');
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const util = require('util');
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function AutoUpdater() {
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EventEmitter.call(this);
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}
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util.inherits(AutoUpdater, EventEmitter);
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AutoUpdater.prototype.quitAndInstall = function() {
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squirrelUpdate.processStart();
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return app.quit();
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};
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AutoUpdater.prototype.setFeedURL = function(updateURL) {
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return this.updateURL = updateURL;
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};
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AutoUpdater.prototype.checkForUpdates = function() {
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if (!this.updateURL) {
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return this.emitError('Update URL is not set');
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}
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if (!squirrelUpdate.supported()) {
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return this.emitError('Can not find Squirrel');
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}
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this.emit('checking-for-update');
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squirrelUpdate.download(this.updateURL, (error, update) => {
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if (error != null) {
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return this.emitError(error);
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}
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if (update == null) {
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return this.emit('update-not-available');
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}
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this.emit('update-available');
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squirrelUpdate.update(this.updateURL, (error) => {
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var date, releaseNotes, version;
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if (error != null) {
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return this.emitError(error);
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}
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releaseNotes = update.releaseNotes, version = update.version;
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// Following information is not available on Windows, so fake them.
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date = new Date;
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this.emit('update-downloaded', {}, releaseNotes, version, date, this.updateURL, () => {
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this.quitAndInstall();
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});
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});
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});
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};
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// Private: Emit both error object and message, this is to keep compatibility
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// with Old APIs.
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AutoUpdater.prototype.emitError = function(message) {
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return this.emit('error', new Error(message), message);
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};
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module.exports = new AutoUpdater;
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