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