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// Copyright 2021 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
* Base template with elements common to all Bluetooth UI sub-pages.
*/
import 'chrome://resources/cr_elements/cr_button/cr_button.m.js';
import 'chrome://resources/polymer/v3_0/iron-flex-layout/iron-flex-layout-classes.js';
import 'chrome://resources/polymer/v3_0/paper-progress/paper-progress.js';
import 'chrome://resources/cr_elements/shared_vars_css.m.js';
import {I18nBehavior, I18nBehaviorInterface} from '//resources/js/i18n_behavior.m.js';
import {afterNextRender, html, mixinBehaviors, PolymerElement} from '//resources/polymer/v3_0/polymer/polymer_bundled.min.js';
import {assertNotReached} from '../../../js/assert.m.js';
import {focusWithoutInk} from '../../../js/cr/ui/focus_without_ink.m.js';
import {ButtonBarState, ButtonName, ButtonState} from './bluetooth_types.js';
/**
* @constructor
* @implements {I18nBehaviorInterface}
* @extends {PolymerElement}
*/
const SettingsBluetoothBasePageElementBase =
mixinBehaviors([I18nBehavior], PolymerElement);
/** @polymer */
export class SettingsBluetoothBasePageElement extends
SettingsBluetoothBasePageElementBase {
static get is() {
return 'bluetooth-base-page';
}
static get template() {
return html`{__html_template__}`;
}
static get properties() {
return {
/**
* Object representing the states of each button in the button bar.
* @type {!ButtonBarState}
*/
buttonBarState: {
type: Object,
value: {
cancel: ButtonState.ENABLED,
pair: ButtonState.HIDDEN,
},
},
/** @type {boolean} */
showScanProgress: {
type: Boolean,
value: false,
},
/**
* Used to access |ButtonName| type in HTML.
* @type {!ButtonName}
*/
ButtonName: {
type: Object,
value: ButtonName,
},
/**
* If true, sets the default focus to the first enabled button from the
* end.
* @type {boolean}
*/
focusDefault: {
type: Boolean,
value: false,
},
};
}
/** @override */
connectedCallback() {
super.connectedCallback();
afterNextRender(this, () => {
if (!this.focusDefault) {
return;
}
const buttons = this.shadowRoot.querySelectorAll('cr-button');
// Focus to the first non-disabled, from the end.
for (let i = buttons.length - 1; i >= 0; i--) {
const button = /** @type {!CrButtonElement}*/ (buttons.item(i));
if (!button.disabled) {
focusWithoutInk(button);
return;
}
}
});
}
/** @private */
onCancelClick_() {
this.dispatchEvent(new CustomEvent('cancel', {
bubbles: true,
composed: true,
}));
}
/** @private */
onPairClick_() {
this.dispatchEvent(new CustomEvent('pair', {
bubbles: true,
composed: true,
}));
}
/**
* @param {!ButtonName} buttonName
* @return {boolean}
* @private
*/
shouldShowButton_(buttonName) {
const state = this.getButtonBarState_(buttonName);
return state !== ButtonState.HIDDEN;
}
/**
* @param {!ButtonName} buttonName
* @return {boolean}
* @private
*/
isButtonDisabled_(buttonName) {
const state = this.getButtonBarState_(buttonName);
return state === ButtonState.DISABLED;
}
/**
* @param {!ButtonName} buttonName
* @return {!ButtonState}
* @private
*/
getButtonBarState_(buttonName) {
switch (buttonName) {
case ButtonName.CANCEL:
return this.buttonBarState.cancel;
case ButtonName.PAIR:
return this.buttonBarState.pair;
default:
assertNotReached();
return ButtonState.ENABLED;
}
}
}
customElements.define(
SettingsBluetoothBasePageElement.is, SettingsBluetoothBasePageElement);
|
