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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
"use strict";
const {
createRef,
PureComponent,
const {
getStr,
const {
hasRunningAnimation,
class PauseResumeButton extends PureComponent {
static get propTypes() {
return {
animations: PropTypes.arrayOf(PropTypes.object).isRequired,
setAnimationsPlayState: PropTypes.func.isRequired,
};
}
constructor(props) {
super(props);
this.onKeyDown = this.onKeyDown.bind(this);
this.pauseResumeButtonRef = createRef();
this.state = {
isRunning: false,
};
}
UNSAFE_componentWillMount() {
this.updateState(this.props);
}
componentDidMount() {
const targetEl = this.getKeyEventTarget();
targetEl.addEventListener("keydown", this.onKeyDown);
}
componentDidUpdate() {
this.updateState();
}
componentWillUnount() {
const targetEl = this.getKeyEventTarget();
targetEl.removeEventListener("keydown", this.onKeyDown);
}
getKeyEventTarget() {
return this.pauseResumeButtonRef.current.closest("#animation-container");
}
onToggleAnimationsPlayState(event) {
event.stopPropagation();
const { setAnimationsPlayState } = this.props;
const { isRunning } = this.state;
setAnimationsPlayState(!isRunning);
}
onKeyDown(event) {
// Prevent to the duplicated call from the key listener and click listener.
if (
event.keyCode === KeyCodes.DOM_VK_SPACE &&
event.target !== this.pauseResumeButtonRef.current
) {
this.onToggleAnimationsPlayState(event);
}
}
updateState() {
const { animations } = this.props;
const isRunning = hasRunningAnimation(animations);
this.setState({ isRunning });
}
render() {
const { isRunning } = this.state;
return dom.button({
className:
"pause-resume-button devtools-button" + (isRunning ? "" : " paused"),
onClick: this.onToggleAnimationsPlayState.bind(this),
title: isRunning
? getStr("timeline.resumedButtonTooltip")
: getStr("timeline.pausedButtonTooltip"),
ref: this.pauseResumeButtonRef,
});
}
}
module.exports = PauseResumeButton;