// 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.

/**
 * This variable structure is here to document the structure that the template
 * expects to correctly populate the page.
 */
var moduleListDataFormat = {
  'moduleList': [{
    'type': 'The type of module found',
    'type_description':
        'The type of module (string), defaults to blank for regular modules',
    'status': 'The module status',
    'location': 'The module path, not including filename',
    'name': 'The name of the module',
    'product_name': 'The name of the product the module belongs to',
    'description': 'The module description',
    'version': 'The module version',
    'digital_signer': 'The signer of the digital certificate for the module',
    'recommended_action': 'The help tips bitmask',
    'possible_resolution': 'The help tips in string form',
    'help_url': 'The link to the Help Center article'
  }]
};

/**
 * Takes the |moduleListData| input argument which represents data about
 * the currently available modules and populates the html jstemplate
 * with that data. It expects an object structure like the above.
 * @param {Object} moduleListData Information about available modules.
 */
function renderTemplate(moduleListData) {
  // This is the javascript code that processes the template:
  var input = new JsEvalContext(moduleListData);
  var output = $('modulesTemplate');
  jstProcess(input, output);
}

/**
 * Asks the C++ ConflictsHandler to get details about the available modules
 * and return detailed data about the configuration.
 */
function requestModuleListData() {
  cr.sendWithPromise('requestModuleList').then(returnModuleList);
}

/**
 * Called by the WebUI to re-populate the page with data representing the
 * current state of installed modules.
 * @param {Object} moduleListData Information about available modules.
 */
function returnModuleList(moduleListData) {
  renderTemplate(moduleListData);
  $('loading-message').style.visibility = 'hidden';
  $('body-container').style.visibility = 'visible';
}

// Get data and have it displayed upon loading.
document.addEventListener('DOMContentLoaded', requestModuleListData);