1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 cr.define('policy', function() {
7 * A hack to check if we are displaying the mobile version of this page by
8 * checking if the first column is hidden.
9 * @return {boolean} True if this is the mobile version.
11 var isMobilePage = function() {
12 return document.defaultView.getComputedStyle(document.querySelector(
13 '.scope-column')).display == 'none';
17 * A box that shows the status of cloud policy for a device or user.
19 * @extends {HTMLFieldSetElement}
21 var StatusBox = cr.ui.define(function() {
22 var node = $('status-box-template').cloneNode(true);
23 node.removeAttribute('id');
27 StatusBox.prototype = {
28 // Set up the prototype chain.
29 __proto__: HTMLFieldSetElement.prototype,
32 * Initialization function for the cr.ui framework.
34 decorate: function() {
38 * Populate the box with the given cloud policy status.
39 * @param {string} scope The policy scope, either "device" or "user".
40 * @param {Object} status Dictionary with information about the status.
42 initialize: function(scope, status) {
43 if (scope == 'device') {
44 // For device policy, set the appropriate title and populate the topmost
45 // status item with the domain the device is enrolled into.
46 this.querySelector('.legend').textContent =
47 loadTimeData.getString('statusDevice');
48 var domain = this.querySelector('.domain');
49 domain.textContent = status.domain;
50 domain.parentElement.hidden = false;
52 // For user policy, set the appropriate title and populate the topmost
53 // status item with the username that policies apply to.
54 this.querySelector('.legend').textContent =
55 loadTimeData.getString('statusUser');
56 // Populate the topmost item with the username.
57 var username = this.querySelector('.username');
58 username.textContent = status.username;
59 username.parentElement.hidden = false;
61 // Populate all remaining items.
62 this.querySelector('.client-id').textContent = status.clientId || '';
63 this.querySelector('.time-since-last-refresh').textContent =
64 status.timeSinceLastRefresh || '';
65 this.querySelector('.refresh-interval').textContent =
66 status.refreshInterval || '';
67 this.querySelector('.status').textContent = status.status || '';
72 * A single policy's entry in the policy table.
74 * @extends {HTMLTableSectionElement}
76 var Policy = cr.ui.define(function() {
77 var node = $('policy-template').cloneNode(true);
78 node.removeAttribute('id');
83 // Set up the prototype chain.
84 __proto__: HTMLTableSectionElement.prototype,
87 * Initialization function for the cr.ui framework.
89 decorate: function() {
90 this.updateToggleExpandedValueText_();
91 this.querySelector('.toggle-expanded-value').addEventListener(
92 'click', this.toggleExpandedValue_.bind(this));
96 * Populate the table columns with information about the policy name, value
98 * @param {string} name The policy name.
99 * @param {Object} value Dictionary with information about the policy value.
100 * @param {boolean} unknown Whether the policy name is not recognized.
102 initialize: function(name, value, unknown) {
106 // Populate the name column.
107 this.querySelector('.name').textContent = name;
109 // Populate the remaining columns with policy scope, level and value if a
110 // value has been set. Otherwise, leave them blank.
112 this.querySelector('.scope').textContent =
113 loadTimeData.getString(value.scope == 'user' ?
114 'scopeUser' : 'scopeDevice');
115 this.querySelector('.level').textContent =
116 loadTimeData.getString(value.level == 'recommended' ?
117 'levelRecommended' : 'levelMandatory');
118 this.querySelector('.value').textContent = value.value;
119 this.querySelector('.expanded-value').textContent = value.value;
122 // Populate the status column.
125 // If the policy value has not been set, show an error message.
126 status = loadTimeData.getString('unset');
127 } else if (unknown) {
128 // If the policy name is not recognized, show an error message.
129 status = loadTimeData.getString('unknown');
130 } else if (value.error) {
131 // If an error occurred while parsing the policy value, show the error
133 status = value.error;
135 // Otherwise, indicate that the policy value was parsed correctly.
136 status = loadTimeData.getString('ok');
138 this.querySelector('.status').textContent = status;
140 if (isMobilePage()) {
141 // The number of columns which are hidden by the css file for the mobile
142 // (Android) version of this page.
143 /** @const */ var HIDDEN_COLUMNS_IN_MOBILE_VERSION = 2;
145 var expandedValue = this.querySelector('.expanded-value');
146 expandedValue.setAttribute('colspan',
147 expandedValue.colSpan - HIDDEN_COLUMNS_IN_MOBILE_VERSION);
152 * Check the table columns for overflow. Most columns are automatically
153 * elided when overflow occurs. The only action required is to add a tooltip
154 * that shows the complete content. The value column is an exception. If
155 * overflow occurs here, the contents is replaced with a link that toggles
156 * the visibility of an additional row containing the complete value.
158 checkOverflow: function() {
159 // Set a tooltip on all overflowed columns except the value column.
160 var divs = this.querySelectorAll('div.elide');
161 for (var i = 0; i < divs.length; i++) {
163 div.title = div.offsetWidth < div.scrollWidth ? div.textContent : '';
166 // Cache the width of the value column's contents when it is first shown.
167 // This is required to be able to check whether the contents would still
168 // overflow the column once it has been hidden and replaced by a link.
169 var valueContainer = this.querySelector('.value-container');
170 if (valueContainer.valueWidth == undefined) {
171 valueContainer.valueWidth =
172 valueContainer.querySelector('.value').offsetWidth;
175 // Determine whether the contents of the value column overflows. The
176 // visibility of the contents, replacement link and additional row
177 // containing the complete value that depend on this are handled by CSS.
178 if (valueContainer.offsetWidth < valueContainer.valueWidth)
179 this.classList.add('has-overflowed-value');
181 this.classList.remove('has-overflowed-value');
185 * Update the text of the link that toggles the visibility of an additional
186 * row containing the complete policy value, depending on the toggle state.
189 updateToggleExpandedValueText_: function(event) {
190 this.querySelector('.toggle-expanded-value').textContent =
191 loadTimeData.getString(
192 this.classList.contains('show-overflowed-value') ?
193 'hideExpandedValue' : 'showExpandedValue');
197 * Toggle the visibility of an additional row containing the complete policy
201 toggleExpandedValue_: function() {
202 this.classList.toggle('show-overflowed-value');
203 this.updateToggleExpandedValueText_();
208 * A table of policies and their values.
210 * @extends {HTMLTableSectionElement}
212 var PolicyTable = cr.ui.define('tbody');
214 PolicyTable.prototype = {
215 // Set up the prototype chain.
216 __proto__: HTMLTableSectionElement.prototype,
219 * Initialization function for the cr.ui framework.
221 decorate: function() {
223 this.filterPattern_ = '';
224 window.addEventListener('resize', this.checkOverflow_.bind(this));
228 * Initialize the list of all known policies.
229 * @param {Object} names Dictionary containing all known policy names.
231 setPolicyNames: function(names) {
232 this.policies_ = names;
233 this.setPolicyValues({});
237 * Populate the table with the currently set policy values and any errors
238 * detected while parsing these.
239 * @param {Object} values Dictionary containing the current policy values.
241 setPolicyValues: function(values) {
242 // Remove all policies from the table.
243 var policies = this.getElementsByTagName('tbody');
244 while (policies.length > 0)
245 this.removeChild(policies.item(0));
247 // First, add known policies whose value is currently set.
249 for (var name in this.policies_) {
251 this.setPolicyValue_(name, values[name], false);
256 // Second, add policies whose value is currently set but whose name is not
258 for (var name in values) {
259 if (!(name in this.policies_))
260 this.setPolicyValue_(name, values[name], true);
263 // Finally, add known policies whose value is not currently set.
264 for (var i = 0; i < unset.length; i++)
265 this.setPolicyValue_(unset[i], undefined, false);
267 // Filter the policies.
272 * Set the filter pattern. Only policies whose name contains |pattern| are
273 * shown in the policy table. The filter is case insensitive. It can be
274 * disabled by setting |pattern| to an empty string.
275 * @param {string} pattern The filter pattern.
277 setFilterPattern: function(pattern) {
278 this.filterPattern_ = pattern.toLowerCase();
283 * Filter policies. Only policies whose name contains the filter pattern are
284 * shown in the table. Furthermore, policies whose value is not currently
285 * set are only shown if the corresponding checkbox is checked.
288 var showUnset = $('show-unset').checked;
289 var policies = this.getElementsByTagName('tbody');
290 for (var i = 0; i < policies.length; i++) {
291 var policy = policies[i];
293 policy.unset && !showUnset ||
294 policy.name.toLowerCase().indexOf(this.filterPattern_) == -1;
296 if (this.querySelector('tbody:not([hidden])'))
297 this.parentElement.classList.remove('empty');
299 this.parentElement.classList.add('empty');
300 setTimeout(this.checkOverflow_.bind(this), 0);
304 * Check the table columns for overflow.
307 checkOverflow_: function() {
308 var policies = this.getElementsByTagName('tbody');
309 for (var i = 0; i < policies.length; i++) {
310 if (!policies[i].hidden)
311 policies[i].checkOverflow();
316 * Add a policy with the given |name| and |value| to the table.
317 * @param {string} name The policy name.
318 * @param {Object} value Dictionary with information about the policy value.
319 * @param {boolean} unknown Whether the policy name is not recoginzed.
322 setPolicyValue_: function(name, value, unknown) {
323 var policy = new Policy;
324 policy.initialize(name, value, unknown);
325 this.appendChild(policy);
330 * A singelton object that handles communication between browser and WebUI.
336 // Make Page a singleton.
337 cr.addSingletonGetter(Page);
340 * Provide a list of all known policies to the UI. Called by the browser on
342 * @param {Object} names Dictionary containing all known policy names.
344 Page.setPolicyNames = function(names) {
345 var page = this.getInstance();
347 // Clear all policy tables.
348 page.mainSection.innerHTML = '';
349 page.policyTables = {};
351 // Create tables and set known policy names for Chrome and extensions.
352 if (names.hasOwnProperty('chromePolicyNames')) {
353 var table = page.appendNewTable('chrome', 'Chrome policies', '');
354 table.setPolicyNames(names.chromePolicyNames);
357 if (names.hasOwnProperty('extensionPolicyNames')) {
358 for (var ext in names.extensionPolicyNames) {
359 var table = page.appendNewTable('extension-' + ext,
360 names.extensionPolicyNames[ext].name, 'ID: ' + ext);
361 table.setPolicyNames(names.extensionPolicyNames[ext].policyNames);
367 * Provide a list of the currently set policy values and any errors detected
368 * while parsing these to the UI. Called by the browser on page load and
369 * whenever policy values change.
370 * @param {Object} values Dictionary containing the current policy values.
372 Page.setPolicyValues = function(values) {
373 var page = this.getInstance();
374 if (values.hasOwnProperty('chromePolicies')) {
375 var table = page.policyTables['chrome'];
376 table.setPolicyValues(values.chromePolicies);
379 if (values.hasOwnProperty('extensionPolicies')) {
380 for (var extensionId in values.extensionPolicies) {
381 var table = page.policyTables['extension-' + extensionId];
383 table.setPolicyValues(values.extensionPolicies[extensionId]);
389 * Provide the current cloud policy status to the UI. Called by the browser on
390 * page load if cloud policy is present and whenever the status changes.
391 * @param {Object} status Dictionary containing the current policy status.
393 Page.setStatus = function(status) {
394 this.getInstance().setStatus(status);
398 * Notify the UI that a request to reload policy values has completed. Called
399 * by the browser after a request to reload policy has been sent by the UI.
401 Page.reloadPoliciesDone = function() {
402 this.getInstance().reloadPoliciesDone();
407 * Main initialization function. Called by the browser on page load.
409 initialize: function() {
410 uber.onContentFrameLoaded();
411 cr.ui.FocusOutlineManager.forDocument(document);
413 this.mainSection = $('main-section');
414 this.policyTables = {};
416 // Place the initial focus on the filter input field.
420 $('filter').onsearch = function(event) {
421 for (policyTable in self.policyTables) {
422 self.policyTables[policyTable].setFilterPattern(this.value);
425 $('reload-policies').onclick = function(event) {
426 this.disabled = true;
427 chrome.send('reloadPolicies');
430 $('show-unset').onchange = function() {
431 for (policyTable in self.policyTables) {
432 self.policyTables[policyTable].filter();
436 // Notify the browser that the page has loaded, causing it to send the
437 // list of all known policies, the current policy values and the cloud
439 chrome.send('initialized');
443 * Creates a new policy table section, adds the section to the page,
444 * and returns the new table from that section.
445 * @param {string} id The key for storing the new table in policyTables.
446 * @param {string} label_title Title for this policy table.
447 * @param {string} label_content Description for the policy table.
448 * @return {Element} The newly created table.
450 appendNewTable: function(id, label_title, label_content) {
451 var newSection = this.createPolicyTableSection(id, label_title,
453 this.mainSection.appendChild(newSection);
454 return this.policyTables[id];
458 * Creates a new section containing a title, description and table of
460 * @param {id} id The key for storing the new table in policyTables.
461 * @param {string} label_title Title for this policy table.
462 * @param {string} label_content Description for the policy table.
463 * @return {Element} The newly created section.
465 createPolicyTableSection: function(id, label_title, label_content) {
466 var section = document.createElement('section');
467 section.setAttribute('class', 'policy-table-section');
469 // Add title and description.
470 var title = window.document.createElement('h3');
471 title.textContent = label_title;
472 section.appendChild(title);
475 var description = window.document.createElement('div');
476 description.classList.add('table-description');
477 description.textContent = label_content;
478 section.appendChild(description);
481 // Add 'No Policies Set' element.
482 var noPolicies = window.document.createElement('div');
483 noPolicies.classList.add('no-policies-set');
484 noPolicies.textContent = loadTimeData.getString('noPoliciesSet');
485 section.appendChild(noPolicies);
487 // Add table of policies.
488 var newTable = this.createPolicyTable();
489 this.policyTables[id] = newTable;
490 section.appendChild(newTable);
496 * Creates a new table for displaying policies.
497 * @return {Element} The newly created table.
499 createPolicyTable: function() {
500 var newTable = window.document.createElement('table');
501 var tableHead = window.document.createElement('thead');
502 var tableRow = window.document.createElement('tr');
503 var tableHeadings = ['Scope', 'Level', 'Name', 'Value', 'Status'];
504 for (var i = 0; i < tableHeadings.length; i++) {
505 var tableHeader = window.document.createElement('th');
506 tableHeader.classList.add(tableHeadings[i].toLowerCase() + '-column');
507 tableHeader.textContent = loadTimeData.getString('header' +
509 tableRow.appendChild(tableHeader);
511 tableHead.appendChild(tableRow);
512 newTable.appendChild(tableHead);
513 cr.ui.decorate(newTable, PolicyTable);
518 * Update the status section of the page to show the current cloud policy
520 * @param {Object} status Dictionary containing the current policy status.
522 setStatus: function(status) {
523 // Remove any existing status boxes.
524 var container = $('status-box-container');
525 while (container.firstChild)
526 container.removeChild(container.firstChild);
527 // Hide the status section.
528 var section = $('status-section');
529 section.hidden = true;
531 // Add a status box for each scope that has a cloud policy status.
532 for (var scope in status) {
533 var box = new StatusBox;
534 box.initialize(scope, status[scope]);
535 container.appendChild(box);
536 // Show the status section.
537 section.hidden = false;
542 * Re-enable the reload policies button when the previous request to reload
543 * policies values has completed.
545 reloadPoliciesDone: function() {
546 $('reload-policies').disabled = false;
555 // Have the main initialization function be called when the page finishes
557 document.addEventListener(
559 policy.Page.getInstance().initialize.bind(policy.Page.getInstance()));