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// Copyright 2019 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.
/** Element containing navigation buttons for the Cellular Setup flow. */
Polymer({
is: 'button-bar',
behaviors: [
I18nBehavior,
],
properties: {
/**
* Sets the states of all buttons
* @type {!cellularSetup.ButtonBarState}
*/
buttonState: {
type: Object,
value: {},
},
/**
* @type {!cellularSetup.Button}
*/
Button: {
type: Object,
value: cellularSetup.Button,
},
forwardButtonLabel: {
type: String,
value: '',
},
},
/**
* @param {!cellularSetup.Button} buttonName
* @return {boolean}
* @private
*/
isButtonHidden_(buttonName) {
const state = this.getButtonBarState_(buttonName);
return state === cellularSetup.ButtonState.HIDDEN;
},
/**
* @param {!cellularSetup.Button} buttonName
* @return {boolean}
* @private
*/
isButtonDisabled_(buttonName) {
const state = this.getButtonBarState_(buttonName);
return state === cellularSetup.ButtonState.DISABLED;
},
focusDefaultButton() {
const buttons = this.shadowRoot.querySelectorAll('cr-button');
// Focus the first non-disabled, non-hidden button from the end.
for (let i = buttons.length - 1; i >= 0; i--) {
const button = buttons.item(i);
if (!button.disabled && !button.hidden) {
cr.ui.focusWithoutInk(button);
return;
}
}
},
/** @private */
onBackwardButtonClicked_() {
this.fire('backward-nav-requested');
},
/** @private */
onCancelButtonClicked_() {
this.fire('cancel-requested');
},
/** @private */
onForwardButtonClicked_() {
this.fire('forward-nav-requested');
},
/**
* @param {!cellularSetup.Button} button
* @returns {!cellularSetup.ButtonState|undefined}
* @private
*/
getButtonBarState_(button) {
assert(this.buttonState);
switch (button) {
case cellularSetup.Button.BACKWARD:
return this.buttonState.backward;
case cellularSetup.Button.CANCEL:
return this.buttonState.cancel;
case cellularSetup.Button.FORWARD:
return this.buttonState.forward;
default:
assertNotReached();
return cellularSetup.ButtonState.ENABLED;
}
},
});
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