108 lines
3.3 KiB
JavaScript
108 lines
3.3 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const {
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createRef,
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PureComponent,
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} = require("resource://devtools/client/shared/vendor/react.mjs");
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const dom = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
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const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.mjs");
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class KeyframesProgressBar extends PureComponent {
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static get propTypes() {
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return {
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addAnimationsCurrentTimeListener: PropTypes.func.isRequired,
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animation: PropTypes.object.isRequired,
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getAnimationsCurrentTime: PropTypes.func.isRequired,
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removeAnimationsCurrentTimeListener: PropTypes.func.isRequired,
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simulateAnimationForKeyframesProgressBar: PropTypes.func.isRequired,
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timeScale: PropTypes.object.isRequired,
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};
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}
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constructor(props) {
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super(props);
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this._progressBarRef = createRef();
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this.onCurrentTimeUpdated = this.onCurrentTimeUpdated.bind(this);
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}
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componentDidMount() {
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const { addAnimationsCurrentTimeListener } = this.props;
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this.setupAnimation(this.props);
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addAnimationsCurrentTimeListener(this.onCurrentTimeUpdated);
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}
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// FIXME: https://bugzilla.mozilla.org/show_bug.cgi?id=1774507
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UNSAFE_componentWillReceiveProps(nextProps) {
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const { animation, getAnimationsCurrentTime, timeScale } = nextProps;
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this.setupAnimation(nextProps);
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this.updateOffset(getAnimationsCurrentTime(), animation, timeScale);
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}
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componentWillUnmount() {
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const { removeAnimationsCurrentTimeListener } = this.props;
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removeAnimationsCurrentTimeListener(this.onCurrentTimeUpdated);
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this.simulatedAnimation = null;
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}
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onCurrentTimeUpdated(currentTime) {
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const { animation, timeScale } = this.props;
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this.updateOffset(currentTime, animation, timeScale);
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}
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updateOffset(currentTime, animation, timeScale) {
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const { createdTime, playbackRate } = animation.state;
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const time =
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(timeScale.minStartTime + currentTime - createdTime) * playbackRate;
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if (isNaN(time)) {
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// Setting an invalid currentTime will throw so bail out if time is not a number for
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// any reason.
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return;
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}
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this.simulatedAnimation.currentTime = time;
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const position =
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this.simulatedAnimation.effect.getComputedTiming().progress;
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// onCurrentTimeUpdated is bound to requestAnimationFrame.
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// As to update the component too frequently has performance issue if React controlled,
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// update raw component directly. See Bug 1699039.
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this._progressBarRef.current.style.marginInlineStart = `${position * 100}%`;
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}
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setupAnimation(props) {
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const { animation, simulateAnimationForKeyframesProgressBar } = props;
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if (this.simulatedAnimation) {
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this.simulatedAnimation.cancel();
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}
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const timing = Object.assign({}, animation.state, {
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iterations: animation.state.iterationCount || Infinity,
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});
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this.simulatedAnimation = simulateAnimationForKeyframesProgressBar(timing);
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}
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render() {
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return dom.div(
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{ className: "keyframes-progress-bar-area" },
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dom.div({
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className: "indication-bar keyframes-progress-bar",
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ref: this._progressBarRef,
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})
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);
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}
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}
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module.exports = KeyframesProgressBar;
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