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Diffstat (limited to 'packages/instant/src/components/animations/slide_up_and_down_animation.tsx')
-rw-r--r-- | packages/instant/src/components/animations/slide_up_and_down_animation.tsx | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/packages/instant/src/components/animations/slide_up_and_down_animation.tsx b/packages/instant/src/components/animations/slide_up_and_down_animation.tsx new file mode 100644 index 000000000..9c18e0933 --- /dev/null +++ b/packages/instant/src/components/animations/slide_up_and_down_animation.tsx @@ -0,0 +1,96 @@ +import * as React from 'react'; + +import { keyframes, styled } from '../../style/theme'; + +const slideKeyframeGenerator = (fromY: string, toY: string) => keyframes` + from { + position: relative; + top: ${fromY}; + } + + to { + position: relative; + top: ${toY}; + } +`; + +export interface SlideAnimationProps { + keyframes: string; + animationType: string; + animationDirection?: string; +} + +export const SlideAnimation = + styled.div < + SlideAnimationProps > + ` + animation-name: ${props => props.keyframes}; + animation-duration: 0.3s; + animation-timing-function: ${props => props.animationType}; + animation-delay: 0s; + animation-iteration-count: 1; + animation-fill-mode: ${props => props.animationDirection || 'none'}; + position: relative; +`; + +export interface SlideAnimationComponentProps { + downY: string; +} + +export const SlideUpAnimationComponent: React.StatelessComponent<SlideAnimationComponentProps> = props => ( + <SlideAnimation animationType="ease-in" keyframes={slideKeyframeGenerator(props.downY, '0px')}> + {props.children} + </SlideAnimation> +); + +export const SlideDownAnimationComponent: React.StatelessComponent<SlideAnimationComponentProps> = props => ( + <SlideAnimation + animationDirection="forwards" + animationType="cubic-bezier(0.25, 0.1, 0.25, 1)" + keyframes={slideKeyframeGenerator('0px', props.downY)} + > + {props.children} + </SlideAnimation> +); + +export interface SlideUpAndDownAnimationProps extends SlideAnimationComponentProps { + delayMs: number; +} + +enum SlideState { + Up = 'up', + Down = 'down', +} +interface SlideUpAndDownState { + slideState: SlideState; +} + +export class SlideUpAndDownAnimation extends React.Component<SlideUpAndDownAnimationProps, SlideUpAndDownState> { + public state = { + slideState: SlideState.Up, + }; + + private _timeoutId?: number; + public render(): React.ReactNode { + return this._renderSlide(); + } + public componentDidMount(): void { + this._timeoutId = window.setTimeout(() => { + this.setState({ + slideState: SlideState.Down, + }); + }, this.props.delayMs); + + return; + } + public componentWillUnmount(): void { + if (this._timeoutId) { + window.clearTimeout(this._timeoutId); + } + } + private _renderSlide(): React.ReactNode { + const SlideComponent = this.state.slideState === 'up' ? SlideUpAnimationComponent : SlideDownAnimationComponent; + + return <SlideComponent downY={this.props.downY}>{this.props.children}</SlideComponent>; + } +} |