b38dea0597
Share Gaia assets and adapters, keep private profiles and development documents local, and update both public READMEs.
101 lines
2.7 KiB
JavaScript
Executable file
101 lines
2.7 KiB
JavaScript
Executable file
/**
|
|
* HomescreenName module has a `name` property that contains the name of the
|
|
* currently used home screen and can be watched.
|
|
*
|
|
* @module HomescreenName
|
|
*/
|
|
define(function(require) {
|
|
'use strict';
|
|
|
|
const MANIFEST_URL_PREF = 'homescreen.manifestURL';
|
|
|
|
var SettingsListener = require('shared/settings_listener');
|
|
var AppsCache = require('modules/apps_cache');
|
|
var ManifestHelper = require('shared/manifest_helper');
|
|
var Module = require('modules/base/module');
|
|
var Observable = require('modules/mvvm/observable');
|
|
|
|
var HomescreenName = Module.create(function HomescreenName() {
|
|
this.super(Observable).call(this);
|
|
this._init();
|
|
}).extend(Observable);
|
|
|
|
/**
|
|
* Name of the currently installed home screen.
|
|
*
|
|
* @memberOf HomescreenName
|
|
* @type {String}
|
|
* @public
|
|
*/
|
|
Observable.defineObservableProperty(HomescreenName.prototype, 'name', {
|
|
readonly: true,
|
|
value: ''
|
|
});
|
|
|
|
/**
|
|
* Init HomescreenName module.
|
|
*
|
|
* @private
|
|
*/
|
|
HomescreenName.prototype._init = function hn_init() {
|
|
this._watchNameChange();
|
|
};
|
|
|
|
/**
|
|
* Watch the value of MANIFEST_URL_PREF from settings and update name
|
|
* accordingly.
|
|
*
|
|
* @private
|
|
*/
|
|
HomescreenName.prototype._watchNameChange = function hn_watchNameChange() {
|
|
SettingsListener.observe(MANIFEST_URL_PREF, '', manifestURL => {
|
|
this._updateManifestName(manifestURL).then(name => {
|
|
this._name = name;
|
|
}).catch(e => {
|
|
console.warn('Could not get manifest name.', e);
|
|
});
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Initialise the value of name when the module is instantiated.
|
|
*/
|
|
HomescreenName.prototype.getName = function hn_getName() {
|
|
const settings = window.navigator.mozSettings;
|
|
|
|
var homescreenSetting = settings.createLock().get(MANIFEST_URL_PREF);
|
|
homescreenSetting.onsuccess = () => {
|
|
var manifestURL = homescreenSetting.result[MANIFEST_URL_PREF];
|
|
this._updateManifestName(manifestURL);
|
|
};
|
|
};
|
|
|
|
/**
|
|
* Given a manifest URL, returns a promise that resolves to the app name.
|
|
*
|
|
* @param {string} manifestURL
|
|
* @returns {Promise}
|
|
* @private
|
|
*/
|
|
HomescreenName.prototype._updateManifestName = function hn_umn(manifestURL) {
|
|
return new Promise((resolve, reject) => {
|
|
AppsCache.apps().then(apps => {
|
|
var manifest = null;
|
|
apps.some(app => {
|
|
if (app.manifestURL === manifestURL) {
|
|
manifest = new ManifestHelper(app.manifest || app.updateManifest);
|
|
return true;
|
|
}
|
|
});
|
|
|
|
if (!manifest) {
|
|
return reject(new Error('Manifest URL not found'));
|
|
}
|
|
|
|
resolve(manifest.name);
|
|
});
|
|
});
|
|
};
|
|
|
|
return HomescreenName;
|
|
});
|