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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
var localStrings = new LocalStrings();
/**
* This variable structure is here to document the structure that the template
* expects to correctly populate the page.
*/
var policyDataformat = {
'policies': [
{
'level': 'managed',
'name': 'AllowXYZ',
'set': true,
'sourceType': 'Device',
'status': 'ok',
'value': true,
},
],
'anyPoliciesSet': true
};
cr.define('policies', function() {
function Policy() {
}
cr.addSingletonGetter(Policy);
Policy.prototype = {
/**
* True if none of the received policies are actually set, false otherwise.
* @type {boolean}
*/
noActivePolicies_: false,
/**
* The current search term for filtering of the policy table.
* @type {string}
* @private
*/
searchTerm_: '',
/**
* Takes the |policyData| input argument which represents data about the
* policies supported by the device/client and populates the html jstemplate
* with that data. It expects an object structure like the above.
* @param {Object} policyData Detailed info about policies
*/
renderTemplate: function(policyData) {
this.noActivePolicies_ = !policyData.anyPoliciesSet;
// This is the javascript code that processes the template:
var input = new JsEvalContext(policyData);
var output = $('policiesTemplate');
jstProcess(input, output);
},
/**
* Filters the table of policies by name.
* @param {string} term The search string
*/
filterTable: function(term) {
this.searchTerm_ = term.toLowerCase();
var table = $('policy-table');
var showUnsent = $('toggle-unsent-policies').checked;
for (var r = 1; r < table.rows.length; r++) {
var row = table.rows[r];
// Don't change visibility of policies that aren't set if the checkbox
// isn't checked.
if (!showUnsent && row.className == 'policy-unset')
continue;
var nameCell = row.querySelector('.policy-name');
var cellContents = nameCell.textContent;
if (cellContents.toLowerCase().indexOf(this.searchTerm_) >= 0)
row.style.display = 'table-row';
else
row.style.display = 'none';
}
},
/**
* Updates the visibility of the policies depending on the state of the
* 'toggle-unsent-policies' checkbox.
*/
updatePolicyVisibility: function() {
if ($('toggle-unsent-policies').checked)
$('policies').style.display = '';
else if (this.noActivePolicies_)
$('policies').style.display = 'none';
var tableRows = document.getElementsByClassName('policy-unset');
for (var i = 0; i < tableRows.length; i++) {
if ($('toggle-unsent-policies').checked)
tableRows[i].style.visibility = 'visible';
else
tableRows[i].style.visibility = 'hidden';
}
// Filter table again in case a search was active.
this.filterTable(this.searchTerm_);
}
};
/**
* Asks the C++ PolicyUIHandler to get details about policies. The
* PolicyDOMHandler should reply to returnPolicyData() (below).
*/
Policy.requestPolicyData = function() {
chrome.send('requestPolicyData');
};
/**
* Called by the C++ PolicyUIHandler when it has the requested policy data.
*/
Policy.returnPolicyData = function(policyData) {
Policy.getInstance().renderTemplate(policyData);
};
/**
* Determines whether a policy should be visible or not.
* @param {policy} policy information in the format given by above the
* PolicyDataFormat
*/
Policy.shouldDisplayPolicy = function(policy) {
return $('toggle-unsent-policies').checked || policy.set;
};
/**
* Initializes the page and loads the list of policies.
*/
Policy.initialize = function() {
i18nTemplate.process(document, templateData);
Policy.requestPolicyData();
// Set HTML event handlers.
$('toggle-unsent-policies').onchange = function(event) {
Policy.getInstance().updatePolicyVisibility();
};
$('search-field').onsearch = function(event) {
Policy.getInstance().filterTable(this.value);
};
};
// Export
return {
Policy: Policy
};
});
var Policy = policies.Policy;
// Get data and have it displayed upon loading.
document.addEventListener('DOMContentLoaded', policies.Policy.initialize);
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