93 lines
2.4 KiB
JavaScript
93 lines
2.4 KiB
JavaScript
// 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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(function() {
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'use strict';
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Polymer({
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is: 'gr-alert',
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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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properties: {
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text: String,
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actionText: String,
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shown: {
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type: Boolean,
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value: true,
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readOnly: true,
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reflectToAttribute: true,
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},
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toast: {
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type: Boolean,
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value: true,
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reflectToAttribute: true,
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},
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_hideActionButton: Boolean,
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_boundTransitionEndHandler: {
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type: Function,
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value() { return this._handleTransitionEnd.bind(this); },
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},
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_actionCallback: Function,
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},
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attached() {
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this.addEventListener('transitionend', this._boundTransitionEndHandler);
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},
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detached() {
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this.removeEventListener('transitionend',
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this._boundTransitionEndHandler);
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},
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show(text, opt_actionText, opt_actionCallback) {
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this.text = text;
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this.actionText = opt_actionText;
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this._hideActionButton = !opt_actionText;
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this._actionCallback = opt_actionCallback;
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Gerrit.getRootElement().appendChild(this);
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this._setShown(true);
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},
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hide() {
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this._setShown(false);
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if (this._hasZeroTransitionDuration()) {
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Gerrit.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(e) {
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if (this.shown) { return; }
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Gerrit.getRootElement().removeChild(this);
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},
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_handleActionTap(e) {
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e.preventDefault();
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if (this._actionCallback) { this._actionCallback(); }
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},
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});
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})();
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