67 lines
2.5 KiB
JavaScript
67 lines
2.5 KiB
JavaScript
import { tokens } from '@fluentui/react-theme';
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import { DATA_POSITIONING_PLACEMENT } from './constants';
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/**
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* Creates animation styles so that positioned elements slide in from the main axis
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* @param mainAxis - distance than the element sides for
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* @returns Griffel styles to spread to a slot
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*
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* @deprecated The popover-related components now use the Slide motion component,
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* which they inject using the `surfaceMotion` slot.
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*/ export function createSlideStyles(mainAxis) {
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// With 'accumulate' animation composition, these opacity keyframes are added onto the default opacity of 1.
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const fadeIn = {
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from: {
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opacity: -1
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},
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to: {
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opacity: 0
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}
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};
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const slideDistanceVarX = '--fui-positioning-slide-distance-x';
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const slideDistanceVarY = '--fui-positioning-slide-distance-y';
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return {
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// NOTE: there was a previous attempt to give fadeIn a separate composition mode:
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// animationComposition: 'replace, accumulate',
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// but somehow this was linked to a performance regression observed in Teams (bug #4255933)
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animationComposition: 'accumulate',
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animationDuration: tokens.durationSlower,
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animationTimingFunction: tokens.curveDecelerateMid,
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[slideDistanceVarX]: `0px`,
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[slideDistanceVarY]: `${mainAxis}px`,
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[`&[${DATA_POSITIONING_PLACEMENT}^=right]`]: {
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[slideDistanceVarX]: `-${mainAxis}px`,
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[slideDistanceVarY]: '0px'
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},
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[`&[${DATA_POSITIONING_PLACEMENT}^=bottom]`]: {
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[slideDistanceVarX]: '0px',
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[slideDistanceVarY]: `-${mainAxis}px`
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},
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[`&[${DATA_POSITIONING_PLACEMENT}^=left]`]: {
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[slideDistanceVarX]: `${mainAxis}px`,
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[slideDistanceVarY]: '0px'
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},
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animationName: [
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fadeIn,
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{
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from: {
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transform: `translate(var(${slideDistanceVarX}), var(${slideDistanceVarY}))`
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},
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to: {}
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}
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],
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// Note: at-rules have more specificity in Griffel
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'@media(prefers-reduced-motion)': {
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[`&[${DATA_POSITIONING_PLACEMENT}]`]: {
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animationDuration: '1ms',
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animationName: fadeIn
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}
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},
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// Tested in Firefox 79
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'@supports not (animation-composition: accumulate)': {
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[`&[${DATA_POSITIONING_PLACEMENT}]`]: {
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animationName: fadeIn
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}
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}
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};
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}
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