Rename webapp_it2me to remoting_webapp and move it from webapp/me2mom to webapp/

remoting/webapp/me2mom/host_list.js

-// 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.
-
-/**
- * @fileoverview
- * Class representing the host-list portion of the home screen UI.
- */
-
-'use strict';
-
-/** @suppress {duplicate} */
-var remoting = remoting || {};
-
-/**
- * Create a host list consisting of the specified HTML elements, which should
- * have a common parent that contains only host-list UI as it will be hidden
- * if the host-list is empty.
- *
- * @constructor
- * @param {Element} table The HTML <table> to contain host-list.
- * @param {Element} errorDiv The HTML <div> to display error messages.
- */
-remoting.HostList = function(table, errorDiv) {
-  /**
-   * @type {Element}
-   * @private
-   */
-  this.table_ = table;
-  /**
-   * @type {Element}
-   * @private
-   */
-  this.errorDiv_ = errorDiv;
-  /**
-   * @type {Array.<remoting.HostTableEntry>}
-   * @private
-   */
-  this.hostTableEntries_ = [];
-  /**
-   * @type {Array.<remoting.Host>}
-   * @private
-   */
-  this.hosts_ = [];
-  /**
-   * @type {string}
-   * @private
-   */
-  this.lastError_ = '';
-
-  // Load the cache of the last host-list, if present.
-  var cached = /** @type {string} */
-      (window.localStorage.getItem(remoting.HostList.HOSTS_KEY));
-  if (cached) {
-    try {
-      this.hosts_ = /** @type {Array} */ JSON.parse(cached);
-    } catch (err) {
-      console.error('Invalid host list cache:', /** @type {*} */(err));
-    }
-  }
-};
-
-/**
- * Search the host list for a host with the specified id.
- *
- * @param {string} hostId The unique id of the host.
- * @return {remoting.Host?} The host, if any.
- */
-remoting.HostList.prototype.getHostForId = function(hostId) {
-  for (var i = 0; i < this.hosts_.length; ++i) {
-    if (this.hosts_[i].hostId == hostId) {
-      return this.hosts_[i];
-    }
-  }
-  return null;
-};
-
-/**
- * Query the Remoting Directory for the user's list of hosts.
- *
- * @param {function(boolean):void} onDone Callback invoked with true on success
- *     or false on failure.
- * @return {void} Nothing.
- */
-remoting.HostList.prototype.refresh = function(onDone) {
-  /** @type {remoting.HostList} */
-  var that = this;
-  /** @param {XMLHttpRequest} xhr The response from the server. */
-  var parseHostListResponse = function(xhr) {
-    that.parseHostListResponse_(xhr, onDone);
-  }
-  /** @param {string} token The OAuth2 token. */
-  var getHosts = function(token) {
-    var headers = { 'Authorization': 'OAuth ' + token };
-    remoting.xhr.get(
-        'https://www.googleapis.com/chromoting/v1/@me/hosts',
-        parseHostListResponse, '', headers);
-  };
-  remoting.oauth2.callWithToken(getHosts);
-};
-
-/**
- * Handle the results of the host list request.  A success response will
- * include a JSON-encoded list of host descriptions, which we display if we're
- * able to successfully parse it.
- *
- * @param {XMLHttpRequest} xhr The XHR object for the host list request.
- * @param {function(boolean):void} onDone The callback passed to |refresh|.
- * @return {void} Nothing.
- * @private
- */
-remoting.HostList.prototype.parseHostListResponse_ = function(xhr, onDone) {
-  this.hosts_ = [];
-  this.lastError_ = '';
-  try {
-    if (xhr.status == 200) {
-      var parsed_response =
-          /** @type {{data: {items: Array}}} */ JSON.parse(xhr.responseText);
-      if (parsed_response.data && parsed_response.data.items) {
-        this.hosts_ = parsed_response.data.items;
-      }
-    } else {
-      // Some other error.
-      console.error('Bad status on host list query: ', xhr);
-      if (xhr.status == 403) {
-        // The user's account is not enabled for Me2Me, so fail silently.
-      } else if (xhr.status >= 400 && xhr.status < 500) {
-        // For other errors, tell the user to re-authorize us.
-        this.lastError_ = remoting.Error.GENERIC;
-      } else if (xhr.status == 503) {
-        this.lastError_ = remoting.Error.SERVICE_UNAVAILABLE;
-      } else {
-        this.lastError_ = remoting.Error.UNEXPECTED;
-      }
-    }
-  } catch (er) {
-    var typed_er = /** @type {Object} */ (er);
-    console.error('Error processing response: ', xhr, typed_er);
-    this.lastError_ = remoting.Error.UNEXPECTED;
-  }
-  window.localStorage.setItem(remoting.HostList.HOSTS_KEY,
-                              JSON.stringify(this.hosts_));
-  onDone(this.lastError_ == '');
-};
-
-/**
- * Display the list of hosts or error condition.
- *
- * @return {void} Nothing.
- */
-remoting.HostList.prototype.display = function() {
-  this.table_.innerHTML = '';
-  this.errorDiv_.innerText = '';
-  this.hostTableEntries_ = [];
-
-  /**
-   * @type {remoting.HostList}
-   */
-  var that = this;
-  /**
-   * @param {remoting.HostTableEntry} hostTableEntry The entry being renamed.
-   */
-  var onRename = function(hostTableEntry) { that.renameHost_(hostTableEntry); }
-  /**
-   * @param {remoting.HostTableEntry} hostTableEntry The entry beign deleted.
-   */
-  var onDelete = function(hostTableEntry) { that.deleteHost_(hostTableEntry); }
-
-  for (var i = 0; i < this.hosts_.length; ++i) {
-    /** @type {remoting.Host} */
-    var host = this.hosts_[i];
-    // Validate the entry to make sure it has all the fields we expect.
-    if (host.hostName && host.hostId && host.status && host.jabberId &&
-        host.publicKey) {
-      var hostTableEntry = new remoting.HostTableEntry();
-      hostTableEntry.init(host, onRename, onDelete);
-      this.hostTableEntries_[i] = hostTableEntry;
-      this.table_.appendChild(hostTableEntry.tableRow);
-    }
-  }
-
-  if (this.lastError_ != '') {
-    l10n.localizeElementFromTag(this.errorDiv_, this.lastError_);
-  }
-
-  this.showOrHide_(this.hosts_.length != 0 || this.lastError_ != '');
-};
-
-/**
- * Show or hide the host-list UI.
- *
- * @param {boolean} show True to show the UI, or false to hide it.
- * @return {void} Nothing.
- * @private
- */
-remoting.HostList.prototype.showOrHide_ = function(show) {
-  var parent = /** @type {Element} */ (this.table_.parentNode);
-  parent.hidden = !show;
-  if (show) {
-    parent.style.height = parent.scrollHeight + 'px';
-    removeClass(parent, remoting.HostList.COLLAPSED_);
-  } else {
-    addClass(parent, remoting.HostList.COLLAPSED_);
-  }
-};
-
-/**
- * Remove a host from the list, and deregister it.
- * @param {remoting.HostTableEntry} hostTableEntry The host to be removed.
- * @return {void} Nothing.
- * @private
- */
-remoting.HostList.prototype.deleteHost_ = function(hostTableEntry) {
-  this.table_.removeChild(hostTableEntry.tableRow);
-  var index = this.hostTableEntries_.indexOf(hostTableEntry);
-  if (index != -1) {
-    this.hostTableEntries_.splice(index, 1);
-  }
-
-  /** @param {string} token The OAuth2 token. */
-  var deleteHost = function(token) {
-    var headers = { 'Authorization': 'OAuth ' + token };
-    remoting.xhr.remove(
-        'https://www.googleapis.com/chromoting/v1/@me/hosts/' +
-        hostTableEntry.host.hostId,
-        function() {}, '', headers);
-  }
-  remoting.oauth2.callWithToken(deleteHost);
-
-  this.showOrHide_(this.hostTableEntries_.length != 0);
-};
-
-/**
- * Prepare a host for renaming by replacing its name with an edit box.
- * @param {remoting.HostTableEntry} hostTableEntry The host to be renamed.
- * @return {void} Nothing.
- * @private
- */
-remoting.HostList.prototype.renameHost_ = function(hostTableEntry) {
-  /** @param {string} token */
-  var renameHost = function(token) {
-    var headers = {
-      'Authorization': 'OAuth ' + token,
-      'Content-type' : 'application/json; charset=UTF-8'
-    };
-    var newHostDetails = { data: {
-      hostId: hostTableEntry.host.hostId,
-      hostName: hostTableEntry.host.hostName,
-      publicKey: hostTableEntry.host.publicKey
-    } };
-    remoting.xhr.put(
-        'https://www.googleapis.com/chromoting/v1/@me/hosts/' +
-        hostTableEntry.host.hostId,
-        function(xhr) {},
-        JSON.stringify(newHostDetails),
-        headers);
-  }
-  remoting.oauth2.callWithToken(renameHost);
-};
-
-/**
- * Class name for the host list when it is collapsed.
- * @private
- */
-remoting.HostList.COLLAPSED_ = 'collapsed';
-
-/**
- * Key name under which Me2Me hosts are cached.
- */
-remoting.HostList.HOSTS_KEY = 'me2me-cached-hosts';
-
-/** @type {remoting.HostList} */
-remoting.hostList = null;