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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 the network state for a specific
* type and a list of networks for that type.
*/
/** @typedef {chrome.networkingPrivate.DeviceStateProperties} */
var DeviceStateProperties;
Polymer({
is: 'network-summary-item',
properties: {
/**
* True if the list is expanded.
*/
expanded: {
type: Boolean,
value: false,
observer: 'expandedChanged_'
},
/**
* The maximum height in pixels for the list of networks.
*/
maxHeight: {
type: Number,
value: 200
},
/**
* True if this item should be hidden. We need this computed property so
* that it can default to true, hiding this element, since no changed event
* will be fired for deviceState if it is undefined (in NetworkSummary).
*/
isHidden: {
type: Boolean,
value: true,
computed: 'noDeviceState_(deviceState)'
},
/**
* Device state for the network type.
* @type {DeviceStateProperties|undefined}
*/
deviceState: {
type: Object,
observer: 'deviceStateChanged_'
},
/**
* Network state for the active network.
* @type {!CrOnc.NetworkStateProperties|undefined}
*/
networkState: {
type: Object,
},
/**
* List of all network state data for the network type.
* @type {!Array<!CrOnc.NetworkStateProperties>}
*/
networkStateList: {
type: Array,
value: function() { return []; },
observer: 'networkStateListChanged_'
}
},
/**
* Polymer expanded changed method.
*/
expandedChanged_: function() {
var type = this.deviceState ? this.deviceState.Type : '';
this.fire('expanded', {expanded: this.expanded, type: type});
},
/**
* Polymer deviceState changed method.
*/
deviceStateChanged_: function() {
this.updateSelectable_();
if (this.expanded && !this.deviceIsEnabled_(this.deviceState))
this.expanded = false;
},
/**
* Polymer networkStateList changed method.
*/
networkStateListChanged_: function() {
this.updateSelectable_();
},
/**
* @param {DeviceStateProperties} deviceState
* @return {boolean} True if the device state is not set.
* @private
*/
noDeviceState_: function(deviceState) {
return !deviceState;
},
/**
* @param {DeviceStateProperties} deviceState
* @param {boolean} expanded The expanded state.
* @return {boolean} Whether or not the scanning spinner should be shown.
* @private
*/
showScanning_: function(deviceState, expanded) {
return !!expanded && !!deviceState.Scanning;
},
/**
* @param {DeviceStateProperties|undefined} deviceState
* @return {boolean} Whether or not the device state is enabled.
* @private
*/
deviceIsEnabled_: function(deviceState) {
return !!deviceState && deviceState.State == 'Enabled';
},
/**
* @param {DeviceStateProperties} deviceState
* @return {string} The class value for the device enabled button.
* @private
*/
getDeviceEnabledButtonClass_: function(deviceState) {
var visible = deviceState && deviceState.Type != CrOnc.Type.ETHERNET &&
deviceState.Type != CrOnc.Type.VPN;
return visible ? '' : 'invisible';
},
/**
* @param {DeviceStateProperties} deviceState
* @param {!Array<!CrOnc.NetworkStateProperties>} networkList
* @return {string} The class value for the expand button.
* @private
*/
getExpandButtonClass_: function(deviceState, networkList) {
var visible = this.expandIsVisible_(deviceState, networkList);
return visible ? '' : 'invisible';
},
/**
* @param {DeviceStateProperties|undefined} deviceState
* @param {!Array<!CrOnc.NetworkStateProperties>} networkList
* @return {boolean} Whether or not to show the UI to expand the list.
* @private
*/
expandIsVisible_: function(deviceState, networkList) {
if (!this.deviceIsEnabled_(deviceState))
return false;
var minLength = (this.deviceState.Type == CrOnc.Type.WI_FI) ? 1 : 2;
return networkList.length >= minLength;
},
/**
* @param {!CrOnc.NetworkStateProperties} state
* @param {boolean} expanded The expanded state.
* @return {boolean} True if the 'Known networks' button should be shown.
* @private
*/
showKnownNetworks_: function(state, expanded) {
return !!expanded && !!state && state.Type == CrOnc.Type.WI_FI;
},
/**
* Event triggered when the details div is tapped.
* @param {Event} event The enable button event.
* @private
*/
onDetailsTap_: function(event) {
if ((event.target.id == 'expandListButton') ||
(this.deviceState && !this.deviceIsEnabled_(this.deviceState))) {
// Already handled or disabled, do nothing.
return;
}
if (this.expandIsVisible_(this.deviceState, this.networkStateList)) {
// Expandable, toggle expand.
this.expanded = !this.expanded;
return;
}
// Not expandable, fire 'selected' with |networkState|.
this.fire('selected', this.networkState);
},
/**
* Event triggered when the known networks button is tapped.
* @private
*/
onKnownNetworksTap_: function() {
this.fire('show-known-networks', {type: CrOnc.Type.WI_FI});
},
/**
* Event triggered when the enable button is toggled.
* @param {!Event} event
* @private
*/
onDeviceEnabledTap_: function(event) {
var deviceIsEnabled = this.deviceIsEnabled_(this.deviceState);
var type = this.deviceState ? this.deviceState.Type : '';
this.fire('device-enabled-toggled',
{enabled: !deviceIsEnabled, type: type});
// Make sure this does not propagate to onDetailsTap_.
event.stopPropagation();
},
/**
* Called whenever the 'selectable' state might change.
* @private
*/
updateSelectable_: function() {
var selectable = this.deviceIsEnabled_(this.deviceState);
this.$.details.classList.toggle('selectable', selectable);
},
});
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