b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
124 lines
3.7 KiB
JavaScript
Executable file
124 lines
3.7 KiB
JavaScript
Executable file
/* global LazyLoader, DownloadFormatter, DownloadNotification, DownloadIcon,
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Service */
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'use strict';
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/*
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* The DownloadManager listens for new downloads when they start. This
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* component will create notifications in the utility tray and will store them
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* Also it will create an icon in statusbar
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*
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* WARNING: This library will load these resources:
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*
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* - style/notifications/downloads.css
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* - shared/js/download/download_formatter.js
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* - js/download/download_notification.js
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*/
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/* exported DownloadManager */
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var DownloadManager = (function() {
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var mozDownloadManager = navigator.mozDownloadManager;
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if (!mozDownloadManager) {
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console.error('navigator.mozDownloadManager not supported!');
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return;
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}
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// XXX bug 1097435 -- This is the only safe place we can call this for now.
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mozDownloadManager.clearAllDone();
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// This object stores download notification objects by id
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var notifications = {};
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var started = false;
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var icon = null;
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// Define and set our download start handler.
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function onDownloadStart(ev) {
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if (started) {
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createDownloadNotificationAndIcon(ev.download);
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} else {
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LazyLoader.load(['shared/js/download/download_formatter.js',
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'shared/js/download/download_ui.js',
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'shared/js/download/download_store.js',
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'shared/js/download/download_helper.js',
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'js/download/download_notification.js']).then(
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function() {
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started = true;
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createDownloadNotificationAndIcon(ev.download);
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window.addEventListener('notification-clicked', handleEvent);
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// Bug 1102810 - After this bug gets fixed, this listener won't be
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// needed anymore. The API itself should handle startTime when killing
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// the process.
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window.addEventListener('will-shutdown', function onShutdown() {
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ev.download.pause();
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});
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})['catch'](function(err) { // XXX: workaround gjslint
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console.error(err);
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});
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}
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}
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mozDownloadManager.addEventListener('downloadstart', onDownloadStart);
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function createDownloadNotificationAndIcon(download) {
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var id = DownloadFormatter.getUUID(download);
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notifications[id] = new DownloadNotification(download);
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loadDownloadIconIfNecessary().then(function() {
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icon.handle(download);
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});
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}
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var downloadManager = {
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name: 'DownloadManager',
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incDownloads: function() {
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loadDownloadIconIfNecessary().then(function() {
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icon.incDownloads();
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})['catch'](function(err) { // XXX: workaround gjslint
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console.error(err);
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});
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},
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decDownloads: function() {
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loadDownloadIconIfNecessary().then(function() {
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icon.decDownloads();
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})['catch'](function(err) { // XXX: workaround gjslint
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console.error(err);
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});
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}
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};
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function loadDownloadIconIfNecessary() {
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return new Promise(function(resolve, reject) {
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if (!icon) {
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LazyLoader.load(['js/download_icon.js']).then(function() {
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icon = new DownloadIcon(this);
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icon.start();
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resolve();
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}.bind(this))['catch'](function(err) { // XXX: workaround gjslint
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console.error(err);
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reject();
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});
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} else {
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resolve();
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}
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});
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}
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Service.register('incDownloads', downloadManager);
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Service.register('decDownloads', downloadManager);
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function handleEvent(evt) {
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var detail = evt.detail;
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if (!detail || !detail.id) {
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return;
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}
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var id = detail.id;
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var notification = notifications[id];
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if (notification) {
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notification.onClick(function onRemovedNotification() {
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notifications[id] = null;
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});
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}
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}
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}());
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