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import { Glare } from '@/features/glare/Glare';
import { Tilt } from '@/features/tilt/Tilt';
import { setTransition, constrainToRange } from '@/utils/helperFns';
import { defaultProps } from './defaultProps';
import type { SupportedEvent, EventType, CustomEventType, WrapperElement, DeviceOrientationEventiOS } from './types';
import type { OnEnterParams, OnLeaveParams, ReactParallaxTiltProps } from './types.public';
// All props are initialized by default with non-null values
/* eslint-disable @typescript-eslint/no-non-null-assertion */
export class ReactParallaxTilt extends PureComponent<ReactParallaxTiltProps> {
public static defaultProps = defaultProps;
private wrapperEl: WrapperElement = {
node: null,
size: {
width: 0,
height: 0,
left: 0,
top: 0,
},
clientPosition: {
x: null,
y: null,
xPercentage: 0,
yPercentage: 0,
},
updateAnimationId: null,
scale: 1,
};
private tilt: Tilt | null = null;
private glare: Glare | null = null;
public componentDidMount() {
this.tilt = new Tilt();
this.initGlare();
this.setSize();
this.addEventListeners();
Iif (typeof CustomEvent === 'undefined') return;
const autoreset = new CustomEvent<CustomEventType>('autoreset');
this.mainLoop(autoreset);
const initialEvent = new CustomEvent<CustomEventType>('initial');
this.emitOnMove(initialEvent);
}
public componentWillUnmount() {
Eif (this.wrapperEl.updateAnimationId !== null) {
cancelAnimationFrame(this.wrapperEl.updateAnimationId);
}
this.removeEventListeners();
}
public componentDidUpdate() {
const eventType = new CustomEvent<CustomEventType>('propChange');
this.mainLoop(eventType);
this.emitOnMove(eventType);
}
private addEventListeners() {
const { trackOnWindow, gyroscope } = this.props;
window.addEventListener('resize', this.setSize);
if (trackOnWindow) {
window.addEventListener('mouseenter', this.onEnter);
window.addEventListener('mousemove', this.onMove);
window.addEventListener('mouseout', this.onLeave);
window.addEventListener('touchstart', this.onEnter);
window.addEventListener('touchmove', this.onMove);
window.addEventListener('touchend', this.onLeave);
}
/* v8 ignore start */
if (gyroscope) {
void this.addDeviceOrientationEventListener();
}
/* v8 ignore stop */
}
/* v8 ignore start */
private addDeviceOrientationEventListener = async () => {
// Browser doesn't support Device Orientation.
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
if (!window.DeviceOrientationEvent) {
return;
}
const requestPermission = (DeviceOrientationEvent as unknown as DeviceOrientationEventiOS).requestPermission;
const iOS = typeof requestPermission === 'function';
if (iOS) {
const response = await requestPermission();
if (response === 'granted') {
window.addEventListener('deviceorientation', this.onMove);
}
return;
}
window.addEventListener('deviceorientation', this.onMove);
};
/* v8 ignore stop */
private removeEventListeners() {
const { trackOnWindow, gyroscope } = this.props;
window.removeEventListener('resize', this.setSize);
if (trackOnWindow) {
window.removeEventListener('mouseenter', this.onEnter);
window.removeEventListener('mousemove', this.onMove);
window.removeEventListener('mouseout', this.onLeave);
window.removeEventListener('touchstart', this.onEnter);
window.removeEventListener('touchmove', this.onMove);
window.removeEventListener('touchend', this.onLeave);
}
// Instance of DeviceOrientationEvent not possible.
/* v8 ignore start */
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
if (gyroscope && window.DeviceOrientationEvent) {
window.removeEventListener('deviceorientation', this.onMove);
}
/* v8 ignore stop */
}
public setSize = () => {
this.setWrapperElSize();
if (this.glare) {
this.glare.setSize(this.wrapperEl.size);
}
};
private setWrapperElSize() {
const rect = this.wrapperEl.node!.getBoundingClientRect();
this.wrapperEl.size.width = this.wrapperEl.node!.offsetWidth;
this.wrapperEl.size.height = this.wrapperEl.node!.offsetHeight;
this.wrapperEl.size.left = rect.left + window.scrollX;
this.wrapperEl.size.top = rect.top + window.scrollY;
}
private initGlare() {
const { glareEnable, glareBorderRadius } = this.props;
if (!glareEnable) {
return;
}
this.glare = new Glare(this.wrapperEl.size, glareBorderRadius!);
this.wrapperEl.node!.appendChild(this.glare.glareWrapperEl);
}
public mainLoop = (event: SupportedEvent) => {
if (this.wrapperEl.updateAnimationId !== null) {
cancelAnimationFrame(this.wrapperEl.updateAnimationId);
}
this.processInput(event);
this.update(event.type);
this.wrapperEl.updateAnimationId = requestAnimationFrame(this.renderFrame);
};
private onEnter = (event: OnEnterParams['event']) => {
const { onEnter } = this.props;
// Update wrapped tilt component params in case
// - it's being manipulated (position, size, etc.) in consumed application
// - initial (delayed) images/children load
this.setSize();
// increase performance by notifying browser 'transform' property is just about to get changed
this.wrapperEl.node!.style.willChange = 'transform';
this.setTransitions();
if (onEnter) {
onEnter({ event });
}
};
private onMove = (event: SupportedEvent): void => {
this.mainLoop(event);
this.emitOnMove(event);
};
private emitOnMove(event: SupportedEvent) {
const { onMove } = this.props;
if (!onMove) {
return;
}
let glareAngle = 0;
let glareOpacity = 0;
if (this.glare) {
glareAngle = this.glare.glareAngle;
glareOpacity = this.glare.glareOpacity;
}
onMove({
tiltAngleX: this.tilt!.tiltAngleX,
tiltAngleY: this.tilt!.tiltAngleY,
tiltAngleXPercentage: this.tilt!.tiltAngleXPercentage,
tiltAngleYPercentage: this.tilt!.tiltAngleYPercentage,
glareAngle,
glareOpacity,
event,
});
}
private onLeave = (event: OnLeaveParams['event']) => {
const { onLeave } = this.props;
this.setTransitions();
if (onLeave) {
onLeave({ event });
}
if (this.props.reset) {
const autoResetEvent = new CustomEvent<CustomEventType>('autoreset');
this.onMove(autoResetEvent);
}
};
private processInput = (event: SupportedEvent): void => {
const { scale } = this.props;
switch (event.type as EventType) {
case 'mousemove':
this.wrapperEl.clientPosition.x = (event as MouseEvent).pageX;
this.wrapperEl.clientPosition.y = (event as MouseEvent).pageY;
this.wrapperEl.scale = scale!;
break;
case 'touchmove':
this.wrapperEl.clientPosition.x = (event as TouchEvent).touches[0].pageX;
this.wrapperEl.clientPosition.y = (event as TouchEvent).touches[0].pageY;
this.wrapperEl.scale = scale!;
break;
// Instance of DeviceOrientationEvent not possible.
/* v8 ignore start */
case 'deviceorientation':
this.processInputDeviceOrientation(event as DeviceOrientationEvent);
this.wrapperEl.scale = scale!;
break;
/* v8 ignore stop */
case 'autoreset': {
const { tiltAngleXInitial, tiltAngleYInitial, tiltMaxAngleX, tiltMaxAngleY } = this.props;
const xPercentage = (tiltAngleXInitial! / tiltMaxAngleX!) * 100;
const yPercentage = (tiltAngleYInitial! / tiltMaxAngleY!) * 100;
this.wrapperEl.clientPosition.xPercentage = constrainToRange(xPercentage, -100, 100);
this.wrapperEl.clientPosition.yPercentage = constrainToRange(yPercentage, -100, 100);
this.wrapperEl.scale = 1;
break;
}
}
};
/* v8 ignore start */
private processInputDeviceOrientation = (event: DeviceOrientationEvent): void => {
if (!event.gamma || !event.beta || !this.props.gyroscope) {
return;
}
const { tiltMaxAngleX, tiltMaxAngleY } = this.props;
const angleX = event.beta; // motion of the device around the x axis in degree in the range:[-180,180]
const angleY = event.gamma; // motion of the device around the y axis in degree in the range:[-90,90]
this.wrapperEl.clientPosition.xPercentage = (angleX / tiltMaxAngleX!) * 100;
this.wrapperEl.clientPosition.yPercentage = (angleY / tiltMaxAngleY!) * 100;
this.wrapperEl.clientPosition.xPercentage = constrainToRange(this.wrapperEl.clientPosition.xPercentage, -100, 100);
this.wrapperEl.clientPosition.yPercentage = constrainToRange(this.wrapperEl.clientPosition.yPercentage, -100, 100);
};
/* v8 ignore stop */
private update = (eventType: string): void => {
const { tiltEnable, flipVertically, flipHorizontally } = this.props;
const isAngleSetToDefaultAlready = eventType !== ('autoreset' satisfies EventType);
const isAngleRetrievedFromGyroscope = eventType !== ('deviceorientation' satisfies EventType);
const isPropChanged = eventType !== ('propChange' satisfies EventType);
const isUpdateCalculationNeeded = isAngleSetToDefaultAlready && isAngleRetrievedFromGyroscope && isPropChanged;
if (isUpdateCalculationNeeded) {
this.updateClientInput();
}
if (tiltEnable) {
this.tilt!.update(this.wrapperEl.clientPosition, this.props);
}
this.updateFlip();
this.tilt!.updateTiltAnglesPercentage(this.props);
if (this.glare) {
this.glare.update(this.wrapperEl.clientPosition, this.props, flipVertically!, flipHorizontally!);
}
};
private updateClientInput = (): void => {
const { trackOnWindow } = this.props;
let xTemp;
let yTemp;
if (trackOnWindow) {
const { x, y } = this.wrapperEl.clientPosition;
xTemp = (y! / window.innerHeight) * 200 - 100;
yTemp = (x! / window.innerWidth) * 200 - 100;
} else {
const {
size: { width, height, left, top },
clientPosition: { x, y },
} = this.wrapperEl;
xTemp = ((y! - top!) / height!) * 200 - 100;
yTemp = ((x! - left!) / width!) * 200 - 100;
}
this.wrapperEl.clientPosition.xPercentage = constrainToRange(xTemp, -100, 100);
this.wrapperEl.clientPosition.yPercentage = constrainToRange(yTemp, -100, 100);
};
private updateFlip = (): void => {
const { flipVertically, flipHorizontally } = this.props;
if (flipVertically) {
this.tilt!.tiltAngleX += 180;
this.tilt!.tiltAngleY *= -1;
}
if (flipHorizontally) {
this.tilt!.tiltAngleY += 180;
}
};
public renderFrame = (): void => {
this.resetWrapperElTransform();
this.renderPerspective();
this.tilt!.render(this.wrapperEl.node!);
this.renderScale();
if (this.glare) {
this.glare.render(this.props);
}
};
private resetWrapperElTransform(): void {
this.wrapperEl.node!.style.transform = '';
}
private renderPerspective(): void {
const { perspective } = this.props;
this.wrapperEl.node!.style.transform += `perspective(${perspective!}px) `;
}
private renderScale(): void {
const { scale } = this.wrapperEl;
this.wrapperEl.node!.style.transform += `scale3d(${scale},${scale},${scale})`;
}
private setTransitions() {
const { transitionSpeed, transitionEasing } = this.props;
setTransition(this.wrapperEl.node!, 'all', transitionSpeed!, transitionEasing!);
if (this.glare) {
setTransition(this.glare.glareEl, 'opacity', transitionSpeed!, transitionEasing!);
}
}
public render() {
const { children, className, style } = this.props;
return (
<div
ref={(el) => {
this.wrapperEl.node = el;
}}
onMouseEnter={this.onEnter}
onMouseMove={this.onMove}
onMouseLeave={this.onLeave}
onTouchStart={this.onEnter}
onTouchMove={this.onMove}
onTouchEnd={this.onLeave}
className={className}
style={style}
>
{children}
</div>
);
}
}
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