131 lines
4.1 KiB
JavaScript
131 lines
4.1 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 DevToolsUtils = require("resource://devtools/shared/DevToolsUtils.js");
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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 CurrentTimeScrubber 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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direction: PropTypes.string.isRequired,
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removeAnimationsCurrentTimeListener: PropTypes.func.isRequired,
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setAnimationsCurrentTime: 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._ref = createRef();
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const { addAnimationsCurrentTimeListener } = props;
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this.onCurrentTimeUpdated = this.onCurrentTimeUpdated.bind(this);
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this.onMouseDown = this.onMouseDown.bind(this);
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this.onMouseMove = this.onMouseMove.bind(this);
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this.onMouseUp = this.onMouseUp.bind(this);
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addAnimationsCurrentTimeListener(this.onCurrentTimeUpdated);
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}
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componentDidMount() {
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const current = this._ref.current;
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current.addEventListener("mousedown", this.onMouseDown);
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this._scrubber = current.querySelector(".current-time-scrubber");
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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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}
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onCurrentTimeUpdated(currentTime) {
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const { timeScale } = this.props;
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const position = currentTime / timeScale.getDuration();
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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._scrubber.style.marginInlineStart = `${position * 100}%`;
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}
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onMouseDown(event) {
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event.stopPropagation();
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const current = this._ref.current;
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this.controllerArea = current.getBoundingClientRect();
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this.listenerTarget = DevToolsUtils.getTopWindow(current.ownerGlobal);
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this.listenerTarget.addEventListener("mousemove", this.onMouseMove);
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this.listenerTarget.addEventListener("mouseup", this.onMouseUp);
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this.decorationTarget = current.closest(".animation-list-container");
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this.decorationTarget.classList.add("active-scrubber");
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this.updateAnimationsCurrentTime(event.pageX, true);
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}
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onMouseMove(event) {
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event.stopPropagation();
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this.isMouseMoved = true;
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this.updateAnimationsCurrentTime(event.pageX);
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}
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onMouseUp(event) {
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event.stopPropagation();
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if (this.isMouseMoved) {
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this.updateAnimationsCurrentTime(event.pageX, true);
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this.isMouseMoved = null;
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}
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this.uninstallListeners();
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}
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uninstallListeners() {
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this.listenerTarget.removeEventListener("mousemove", this.onMouseMove);
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this.listenerTarget.removeEventListener("mouseup", this.onMouseUp);
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this.listenerTarget = null;
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this.decorationTarget.classList.remove("active-scrubber");
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this.decorationTarget = null;
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this.controllerArea = null;
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}
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updateAnimationsCurrentTime(pageX, needRefresh) {
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const { direction, setAnimationsCurrentTime, timeScale } = this.props;
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let progressRate =
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(pageX - this.controllerArea.x) / this.controllerArea.width;
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if (progressRate < 0.0) {
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progressRate = 0.0;
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} else if (progressRate > 1.0) {
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progressRate = 1.0;
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}
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const time =
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direction === "ltr"
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? progressRate * timeScale.getDuration()
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: (1 - progressRate) * timeScale.getDuration();
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setAnimationsCurrentTime(time, needRefresh);
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}
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render() {
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return dom.div(
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{
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className: "current-time-scrubber-area",
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ref: this._ref,
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},
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dom.div({ className: "indication-bar current-time-scrubber" })
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);
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}
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}
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module.exports = CurrentTimeScrubber;
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