200d1fb235
Add permission-based reading of Android contacts, SMS and call history. Include shared Gaia fixes and document device validation limits. Pixel image qualification remains pending.
123 lines
3.9 KiB
JavaScript
Executable file
123 lines
3.9 KiB
JavaScript
Executable file
/**
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* PanelCache is a singleton that loads a panel module based on the panel id
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* and caches the loaded modules.
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*
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* @module PanelCache
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*/
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define(function(require) {
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'use strict';
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var SettingsPanel = require('modules/settings_panel');
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var LazyLoader = require('shared/lazy_loader');
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var _panelCache = {};
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var _panelStylesheetsLoaded = false;
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// experiment result shows
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// load all related styles once is time saver
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var _loadPanelStylesheetsIfNeeded = function loadPanelCSS() {
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if (_panelStylesheetsLoaded) {
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return;
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}
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LazyLoader.load(['shared/style/action_menu.css',
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'shared/style/confirm.css',
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'shared/style/progress_activity.css',
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'shared/elements/gaia-icons/bidi-helper.css',
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'shared/elements/gaia_buttons/script.js',
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'shared/elements/gaia_confirm/script.js',
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'style/homescreens.css',
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// Bug 1210284 - disabling achievements until they are on
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// the roadmap again or completely removed.
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// 'style/achievements.css',
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'style/apps.css',
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'style/screen_lock.css',
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'style/simcard.css',
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'style/updates.css',
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'style/downloads.css',
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'style/developer_service_workers.css'],
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function callback() {
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_panelStylesheetsLoaded = true;
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});
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};
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// load styles in idle time after document loaded
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navigator.addIdleObserver({
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time: 3,
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onidle: _loadPanelStylesheetsIfNeeded
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});
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return {
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// this is for unit test
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reset: function spc_reset() {
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_panelCache = {};
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_panelStylesheetsLoaded = false;
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},
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/**
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* Get the panel module of a specified id. If there is no corresponding
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* panel module of the id, it returns SettingsPanel.
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*
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* @alias module:PanelCache#get
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* @param {String} panelId
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* The id of the to be loaded panel.
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* @param {Function} callback
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* The function to be called when the panel is loaded.
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*/
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get: function spc_get(panelId, callback) {
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if (!panelId && !callback) {
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return;
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}
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if (panelId !== 'root') {
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_loadPanelStylesheetsIfNeeded();
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}
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var cachedPanel = _panelCache[panelId];
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if (cachedPanel) {
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if (callback) {
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callback(cachedPanel);
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}
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} else {
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// Get the path of the panel creation function
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var panelElement = document.getElementById(panelId);
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if (panelElement) {
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var pathElement = panelElement.querySelector('panel');
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var path = pathElement ? pathElement.dataset.path : null;
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var panelFuncLoaded = function(panelFunc) {
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var panel;
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try {
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panel = panelFunc();
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if (!panel || typeof panel.beforeShow !== 'function') {
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throw new TypeError('Invalid settings panel: ' + panelId);
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}
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} catch (error) {
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if (callback) callback(null, error);
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return;
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}
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_panelCache[panelId] = panel;
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if (callback) {
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callback(panel);
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}
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};
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if (path) {
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require([path], function(panelFunc) {
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// Create a new panel object for static panels.
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panelFuncLoaded(panelFunc ? panelFunc : SettingsPanel);
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}, function(error) {
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if (callback) callback(null, error);
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});
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} else {
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panelFuncLoaded(SettingsPanel);
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}
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} else {
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if (callback) {
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callback(null);
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}
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}
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}
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}
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};
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});
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