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feat: swipe velocity impact as prop (#249)

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This commit is contained in:
Michał Osadnik
2019-10-05 20:46:10 +02:00
parent dabd941128
commit ebef2c3ba1
6 changed files with 40 additions and 11 deletions
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41
packages/stack/src/views/Stack/Card.tsx
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@@ -53,6 +53,7 @@ type Props = ViewProps & {
close: TransitionSpec;
};
styleInterpolator: CardStyleInterpolator;
gestureVelocityImpact: number;
containerStyle?: StyleProp<ViewStyle>;
contentStyle?: StyleProp<ViewStyle>;
};
@@ -89,7 +90,7 @@ const BOTTOM = 1;
const DIRECTION_VERTICAL = -1;
const DIRECTION_HORIZONTAL = 1;
const SWIPE_VELOCITY_IMPACT = 0.3;
const GESTURE_VELOCITY_IMPACT = 0.3;
/**
* The distance of touch start from the edge of the screen where the gesture will be recognized
@@ -232,10 +233,16 @@ export default class Card extends React.Component<Props> {
overlayEnabled: Platform.OS !== 'ios',
shadowEnabled: true,
gestureEnabled: true,
gestureVelocityImpact: GESTURE_VELOCITY_IMPACT,
};
componentDidUpdate(prevProps: Props) {
const { layout, gestureDirection, closing } = this.props;
const {
layout,
gestureDirection,
closing,
gestureVelocityImpact,
} = this.props;
const { width, height } = layout;
if (width !== prevProps.layout.width) {
@@ -246,6 +253,10 @@ export default class Card extends React.Component<Props> {
this.layout.height.setValue(height);
}
if (gestureVelocityImpact !== prevProps.gestureVelocityImpact) {
this.gestureVelocityImpact.setValue(gestureVelocityImpact);
}
if (gestureDirection !== prevProps.gestureDirection) {
this.direction.setValue(
gestureDirection === 'vertical' ||
@@ -285,6 +296,9 @@ export default class Card extends React.Component<Props> {
}
private isVisible = new Value<Binary>(TRUE);
private gestureVelocityImpact = new Value<number>(
this.props.gestureVelocityImpact
);
private isVisibleValue: Binary = TRUE;
private nextIsVisible = new Value<Binary | -1>(UNSET);
private verticalGestureDirection = new Value(
@@ -483,18 +497,19 @@ export default class Card extends React.Component<Props> {
private extrapolatedPosition = add(
this.gesture,
multiply(this.velocity, SWIPE_VELOCITY_IMPACT)
multiply(this.velocity, this.gestureVelocityImpact)
);
private exec = [
cond(
eq(this.direction, DIRECTION_HORIZONTAL),
set(
this.gesture,
set(
this.gesture,
cond(
eq(this.direction, DIRECTION_HORIZONTAL),
multiply(
this.gestureUntraversed,
I18nManager.isRTL ? MINUS_ONE_NODE : TRUE_NODE
)
),
this.gestureUntraversed
)
),
set(
@@ -593,9 +608,13 @@ export default class Card extends React.Component<Props> {
cond(
this.distance,
divide(
multiply(
this.gestureUntraversed,
I18nManager.isRTL ? MINUS_ONE_NODE : TRUE_NODE
cond(
eq(this.direction, DIRECTION_HORIZONTAL),
multiply(
this.gestureUntraversed,
I18nManager.isRTL ? MINUS_ONE_NODE : TRUE_NODE
),
this.gestureUntraversed
),
this.distance
),