blob: d3a6fade3a07a4e59aa001984c5953a8aec7efe9 [file] [log] [blame]
/**
* @license
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import '../gr-button/gr-button.js';
import '../../../styles/shared-styles.js';
import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners.js';
import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin.js';
import {PolymerElement} from '@polymer/polymer/polymer-element.js';
import {htmlTemplate} from './gr-alert_html.js';
import {getRootElement} from '../../../scripts/rootElement.js';
/** @extends PolymerElement */
class GrAlert extends GestureEventListeners(
LegacyElementMixin(
PolymerElement)) {
static get template() { return htmlTemplate; }
static get is() { return 'gr-alert'; }
/**
* Fired when the action button is pressed.
*
* @event action
*/
static get properties() {
return {
text: String,
actionText: String,
/** @type {?string} */
type: String,
shown: {
type: Boolean,
value: true,
readOnly: true,
reflectToAttribute: true,
},
toast: {
type: Boolean,
value: true,
reflectToAttribute: true,
},
_hideActionButton: Boolean,
_boundTransitionEndHandler: {
type: Function,
value() { return this._handleTransitionEnd.bind(this); },
},
_actionCallback: Function,
};
}
/** @override */
attached() {
super.attached();
this.addEventListener('transitionend', this._boundTransitionEndHandler);
}
/** @override */
detached() {
super.detached();
this.removeEventListener('transitionend',
this._boundTransitionEndHandler);
}
show(text, opt_actionText, opt_actionCallback) {
this.text = text;
this.actionText = opt_actionText;
this._hideActionButton = !opt_actionText;
this._actionCallback = opt_actionCallback;
getRootElement().appendChild(this);
this._setShown(true);
}
hide() {
this._setShown(false);
if (this._hasZeroTransitionDuration()) {
getRootElement().removeChild(this);
}
}
_hasZeroTransitionDuration() {
const style = window.getComputedStyle(this);
// transitionDuration is always given in seconds.
const duration = Math.round(parseFloat(style.transitionDuration) * 100);
return duration === 0;
}
_handleTransitionEnd(e) {
if (this.shown) { return; }
getRootElement().removeChild(this);
}
_handleActionTap(e) {
e.preventDefault();
if (this._actionCallback) { this._actionCallback(); }
}
}
customElements.define(GrAlert.is, GrAlert);