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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const DevToolsUtils = require("resource://devtools/shared/DevToolsUtils.js");
const {
createRef,
PureComponent,
} = require("resource://devtools/client/shared/vendor/react.js");
const dom = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
class CurrentTimeScrubber extends PureComponent {
static get propTypes() {
return {
addAnimationsCurrentTimeListener: PropTypes.func.isRequired,
direction: PropTypes.string.isRequired,
removeAnimationsCurrentTimeListener: PropTypes.func.isRequired,
setAnimationsCurrentTime: PropTypes.func.isRequired,
timeScale: PropTypes.object.isRequired,
};
}
constructor(props) {
super(props);
this._ref = createRef();
const { addAnimationsCurrentTimeListener } = props;
this.onCurrentTimeUpdated = this.onCurrentTimeUpdated.bind(this);
this.onMouseDown = this.onMouseDown.bind(this);
this.onMouseMove = this.onMouseMove.bind(this);
this.onMouseUp = this.onMouseUp.bind(this);
addAnimationsCurrentTimeListener(this.onCurrentTimeUpdated);
}
componentDidMount() {
const current = this._ref.current;
current.addEventListener("mousedown", this.onMouseDown);
this._scrubber = current.querySelector(".current-time-scrubber");
}
componentWillUnmount() {
const { removeAnimationsCurrentTimeListener } = this.props;
removeAnimationsCurrentTimeListener(this.onCurrentTimeUpdated);
}
onCurrentTimeUpdated(currentTime) {
const { timeScale } = this.props;
const position = currentTime / timeScale.getDuration();
// onCurrentTimeUpdated is bound to requestAnimationFrame.
// As to update the component too frequently has performance issue if React controlled,
// update raw component directly. See Bug 1699039.
this._scrubber.style.marginInlineStart = `${position * 100}%`;
}
onMouseDown(event) {
event.stopPropagation();
const current = this._ref.current;
this.controllerArea = current.getBoundingClientRect();
this.listenerTarget = DevToolsUtils.getTopWindow(current.ownerGlobal);
this.listenerTarget.addEventListener("mousemove", this.onMouseMove);
this.listenerTarget.addEventListener("mouseup", this.onMouseUp);
this.decorationTarget = current.closest(".animation-list-container");
this.decorationTarget.classList.add("active-scrubber");
this.updateAnimationsCurrentTime(event.pageX, true);
}
onMouseMove(event) {
event.stopPropagation();
this.isMouseMoved = true;
this.updateAnimationsCurrentTime(event.pageX);
}
onMouseUp(event) {
event.stopPropagation();
if (this.isMouseMoved) {
this.updateAnimationsCurrentTime(event.pageX, true);
this.isMouseMoved = null;
}
this.uninstallListeners();
}
uninstallListeners() {
this.listenerTarget.removeEventListener("mousemove", this.onMouseMove);
this.listenerTarget.removeEventListener("mouseup", this.onMouseUp);
this.listenerTarget = null;
this.decorationTarget.classList.remove("active-scrubber");
this.decorationTarget = null;
this.controllerArea = null;
}
updateAnimationsCurrentTime(pageX, needRefresh) {
const { direction, setAnimationsCurrentTime, timeScale } = this.props;
let progressRate =
(pageX - this.controllerArea.x) / this.controllerArea.width;
if (progressRate < 0.0) {
progressRate = 0.0;
} else if (progressRate > 1.0) {
progressRate = 1.0;
}
const time =
direction === "ltr"
? progressRate * timeScale.getDuration()
: (1 - progressRate) * timeScale.getDuration();
setAnimationsCurrentTime(time, needRefresh);
}
render() {
return dom.div(
{
className: "current-time-scrubber-area",
ref: this._ref,
},
dom.div({ className: "indication-bar current-time-scrubber" })
);
}
}
module.exports = CurrentTimeScrubber;
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