blob: a0fddcdfe1401870449beafde7a44509b726b20e [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';
import '../../../styles/shared-styles';
import {GestureEventListeners} from '@polymer/polymer/lib/mixins/gesture-event-listeners';
import {LegacyElementMixin} from '@polymer/polymer/lib/legacy/legacy-element-mixin';
import {PolymerElement} from '@polymer/polymer/polymer-element';
import {htmlTemplate} from './gr-alert_html';
import {getRootElement} from '../../../scripts/rootElement';
import {customElement, property} from '@polymer/decorators';
import {ErrorType} from '../../../types/types';
declare global {
interface HTMLElementTagNameMap {
'gr-alert': GrAlert;
}
}
@customElement('gr-alert')
export class GrAlert extends GestureEventListeners(
LegacyElementMixin(PolymerElement)
) {
static get template() {
return htmlTemplate;
}
/**
* Fired when the action button is pressed.
*
* @event action
*/
@property({type: String})
text?: string;
@property({type: String})
actionText?: string;
@property({type: String})
type?: ErrorType;
@property({type: Boolean, reflectToAttribute: true})
shown = true;
@property({type: Boolean, reflectToAttribute: true})
toast = true;
@property({type: Boolean})
_hideActionButton?: boolean;
@property({type: Boolean})
showDismiss = false;
@property()
_boundTransitionEndHandler?: (
this: HTMLElement,
ev: TransitionEvent
) => unknown;
@property()
_actionCallback?: () => void;
/** @override */
attached() {
super.attached();
this._boundTransitionEndHandler = () => this._handleTransitionEnd();
this.addEventListener('transitionend', this._boundTransitionEndHandler);
}
/** @override */
detached() {
super.detached();
if (this._boundTransitionEndHandler) {
this.removeEventListener(
'transitionend',
this._boundTransitionEndHandler
);
}
}
show(text: string, actionText?: string, actionCallback?: () => void) {
this.text = text;
this.actionText = actionText;
this._hideActionButton = !actionText;
this._actionCallback = actionCallback;
getRootElement().appendChild(this);
this.shown = true;
}
hide() {
this.shown = false;
if (this._hasZeroTransitionDuration()) {
getRootElement().removeChild(this);
}
}
_handleDismissTap() {
this.hide();
}
_hasZeroTransitionDuration() {
const style = window.getComputedStyle(this);
// transitionDuration is always given in seconds.
const duration = Math.round(parseFloat(style.transitionDuration) * 100);
return duration === 0;
}
_handleTransitionEnd() {
if (this.shown) {
return;
}
getRootElement().removeChild(this);
}
_handleActionTap(e: MouseEvent) {
e.preventDefault();
if (this._actionCallback) {
this._actionCallback();
}
}
}