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// Copyright 2015 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 Polymer element for displaying information about a network
* in a list based on ONC state properties.
*/
Polymer({
is: 'cr-network-list-item',
properties: {
/** @type {!CrNetworkList.CrNetworkListItemType|undefined} */
item: {
type: Object,
observer: 'itemChanged_',
},
/**
* The ONC data properties used to display the list item.
* @type {!CrOnc.NetworkStateProperties|undefined}
*/
networkState: {
type: Object,
observer: 'networkStateChanged_',
},
/** Whether to show any buttons for network items. Defaults to false. */
showButtons: {
type: Boolean,
reflectToAttribute: true,
},
/**
* Reflect the element's tabindex attribute to a property so that embedded
* elements (e.g. the show subpage button) can become keyboard focusable
* when this element has keyboard focus.
*/
tabindex: {
type: Number,
value: -1,
reflectToAttribute: true,
},
/** Expose the itemName so it can be used as a label for a11y. */
ariaLabel: {
type: String,
notify: true,
reflectToAttribute: true,
computed: 'getItemName_(item)',
},
/**
* The cached ConnectionState for the network.
* @type {!CrOnc.ConnectionState|undefined}
*/
connectionState_: String,
},
behaviors: [CrPolicyNetworkBehavior],
/** @private */
itemChanged_: function() {
if (this.item && !this.item.hasOwnProperty('customItemName')) {
this.networkState =
/** @type {!CrOnc.NetworkStateProperties} */ (this.item);
} else if (this.networkState) {
this.networkState = undefined;
}
},
/** @private */
networkStateChanged_: function() {
if (!this.networkState)
return;
const connectionState = this.networkState.ConnectionState;
if (connectionState == this.connectionState_)
return;
this.connectionState_ = connectionState;
this.fire('network-connect-changed', this.networkState);
},
/**
* This gets called for network items and custom items.
* @return {string}
* @private
*/
getItemName_: function() {
if (this.item.hasOwnProperty('customItemName')) {
const item = /** @type {!CrNetworkList.CustomItemState} */ (this.item);
let name = item.customItemName || '';
if (CrOncStrings.hasOwnProperty(item.customItemName))
name = CrOncStrings[item.customItemName];
return name;
}
const network = /** @type {!CrOnc.NetworkStateProperties} */ (this.item);
return CrOnc.getNetworkName(network);
},
/**
* @return {boolean}
* @private
*/
isStateTextVisible_: function() {
return !!this.networkState && !!this.getNetworkStateText_();
},
/**
* This only gets called for network items once networkState is set.
* @return {string}
* @private
*/
getNetworkStateText_: function() {
if (!this.networkState)
return '';
const connectionState = this.networkState.ConnectionState;
if (this.networkState.Type == CrOnc.Type.CELLULAR) {
// For Cellular, an empty ConnectionState indicates that the device is
// still initializing.
if (!connectionState)
return CrOncStrings.networkListItemInitializing;
if (this.networkState.Cellular && this.networkState.Cellular.Scanning)
return CrOncStrings.networkListItemScanning;
}
if (connectionState == CrOnc.ConnectionState.CONNECTED)
return CrOncStrings.networkListItemConnected;
if (connectionState == CrOnc.ConnectionState.CONNECTING)
return CrOncStrings.networkListItemConnecting;
return '';
},
/**
* @param {!CrOnc.NetworkStateProperties} networkState
* @param {boolean} showButtons
* @return {boolean}
* @private
*/
isSubpageButtonVisible_: function(networkState, showButtons) {
return !!networkState && showButtons;
},
/**
* @return {boolean}
* @private
*/
isConnected_: function() {
return !!this.networkState &&
this.networkState.ConnectionState == CrOnc.ConnectionState.CONNECTED;
},
/**
* Fires a 'show-details' event with |this.networkState| as the details.
* @param {Event} event
* @private
*/
fireShowDetails_: function(event) {
assert(this.networkState);
this.fire('show-detail', this.networkState);
event.stopPropagation();
},
});
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