Skip to content

Interpolate overlay opacity #7

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Interpolate overlay opacity #7

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
c349f95
Initial working implementation
happymaskterriblefate Jul 12, 2021
7a5782c
Use pointer-events to toggle interactivity
Jul 12, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
53 changes: 32 additions & 21 deletions index.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,8 @@ type Props = {
autoClosing: bool,
allowOverlayPressPropagation: bool,
overlayColor: string,
overlayOpacity: number,
animateOverlayOpacity: bool
};

type Event = {
Expand Down Expand Up @@ -103,7 +105,7 @@ export default class SideMenu extends React.PureComponent {
left,
};

this.state.left.addListener(({value}) => this.props.onSliding(Math.abs((value - this.state.hiddenMenuOffset) / (this.state.openMenuOffset - this.state.hiddenMenuOffset))));
this.state.left.addListener(({ value }) => this.props.onSliding(Math.abs((value - this.state.hiddenMenuOffset) / (this.state.openMenuOffset - this.state.hiddenMenuOffset))));
}

UNSAFE_componentWillMount(): void {
Expand All @@ -123,12 +125,12 @@ export default class SideMenu extends React.PureComponent {
}

getOverlayColor() {
if(this.props.allowOverlayPressPropagation) return this.props.overlayColor || "transparent"
if (this.props.allowOverlayPressPropagation) return this.props.overlayColor || 'transparent';
// stopPropagation doesn't work with transparent background
if(!this.props.overlayColor || this.props.overlayColor == "transparent") {
return '#00000001'
if (!this.props.overlayColor || this.props.overlayColor == 'transparent') {
return '#00000001';
}
return this.props.overlayColor
return this.props.overlayColor;
}

onLayoutChange(e: Event) {
Expand All @@ -143,22 +145,29 @@ export default class SideMenu extends React.PureComponent {
* @return {React.Component}
*/
getContentView() {
let overlay: React.Element<void, void> = null;

if (this.isOpen) {
overlay = (
<TouchableWithoutFeedback
onPress={(e) => {
if(!this.props.allowOverlayPressPropagation) {
e.stopPropagation()
}
this.openMenu(false)
}}
>
<View style={[styles.overlay, { backgroundColor: this.getOverlayColor() }]} />
</TouchableWithoutFeedback>
const overlayContainer: React.Element<void, void> = (
<TouchableWithoutFeedback
onPress={(e) => {
if (!this.props.allowOverlayPressPropagation) {
e.stopPropagation();
}
this.openMenu(false);
}}
>
<Animated.View
pointerEvents={this.isOpen ? 'auto' : 'none'}
style={[styles.overlay, {
backgroundColor: this.getOverlayColor(),
opacity: this.props.animateOverlayOpacity ? this.state.left.interpolate({
inputRange: [
this.state.hiddenMenuOffset,
this.state.openMenuOffset],
outputRange: [0, this.props.overlayOpacity],
}) : this.props.overlayOpacity,
}]}
/>
</TouchableWithoutFeedback>
);
}

const { width, height } = this.state;
const ref = sideMenu => (this.sideMenu = sideMenu);
Expand All @@ -171,7 +180,7 @@ export default class SideMenu extends React.PureComponent {
return (
<Animated.View style={style} ref={ref} {...this.responder.panHandlers}>
{this.props.children}
{overlay}
{overlayContainer}
</Animated.View>
);
}
Expand Down Expand Up @@ -323,4 +332,6 @@ SideMenu.defaultProps = {
isOpen: false,
bounceBackOnOverdraw: true,
autoClosing: true,
overlayOpacity: 1,
animateOverlayOpacity: true,
};