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improve iOS Modal slide-up, fade-in animation performance #404

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4 changes: 2 additions & 2 deletions __tests__/Datepicker.test.js
Original file line number Diff line number Diff line change
Expand Up @@ -128,10 +128,10 @@ describe('DatePicker', () => {
datePicker.setModalVisible(true);

expect(wrapper.state('modalVisible')).toEqual(true);
expect(wrapper.state('animatedHeight')._animation._toValue).toBeGreaterThan(200);
expect(wrapper.state('animatedHeight')._animation._toValue).toEqual(0);

datePicker.setModalVisible(false);
expect(wrapper.state('animatedHeight')._animation._toValue).toEqual(0);
expect(wrapper.state('animatedHeight')._animation._toValue).toBeGreaterThan(200);
});

it('onPressCancel', () => {
Expand Down
154 changes: 90 additions & 64 deletions datepicker.js
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,8 @@ class DatePicker extends Component {
this.state = {
date: this.getDate(),
modalVisible: false,
animatedHeight: new Animated.Value(0),
animatedHeight: new Animated.Value(props.height),
opacity: new Animated.Value(0),
allowPointerEvents: true
};

Expand Down Expand Up @@ -62,21 +63,39 @@ class DatePicker extends Component {
// slide animation
if (visible) {
this.setState({modalVisible: visible});
return Animated.timing(
this.state.animatedHeight,
{
toValue: height,
duration: duration
}
).start();
Animated.parallel([
Animated.timing(
this.state.animatedHeight,
{
toValue: 0,
duration: duration
}
),
Animated.timing(
this.state.opacity,
{
toValue: 1,
duration: duration
}
)
]).start();
} else {
return Animated.timing(
this.state.animatedHeight,
{
toValue: 0,
duration: duration
}
).start(() => {
Animated.parallel([
Animated.timing(
this.state.animatedHeight,
{
toValue: height,
duration: duration
}
),
Animated.timing(
this.state.opacity,
{
toValue: 0,
duration: duration
}
)
]).start(() => {
this.setState({modalVisible: visible});
});
}
Expand Down Expand Up @@ -341,7 +360,8 @@ class DatePicker extends Component {
cancelBtnTestID,
confirmBtnTestID,
allowFontScaling,
locale
locale,
height
} = this.props;

const dateInputStyle = [
Expand All @@ -363,7 +383,7 @@ class DatePicker extends Component {
<View style={dateInputStyle}>
{this.getTitleElement()}
</View>
:
:
<View/>
}
{this._renderIcon()}
Expand All @@ -377,60 +397,66 @@ class DatePicker extends Component {
<View
style={{flex: 1}}
>
<TouchableComponent
style={Style.datePickerMask}
activeOpacity={1}
underlayColor={'#00000077'}
onPress={this.onPressMask}
>
<Animated.View style={{flex: 1, opacity: this.state.opacity}}>
<TouchableComponent
underlayColor={'#fff'}
style={{flex: 1}}
style={Style.datePickerMask}
activeOpacity={1}
underlayColor={'#00000077'}
onPress={this.onPressMask}
>
<Animated.View
style={[Style.datePickerCon, {height: this.state.animatedHeight}, customStyles.datePickerCon]}
<TouchableComponent
underlayColor={'#fff'}
style={{flex: 1}}
>
<View pointerEvents={this.state.allowPointerEvents ? 'auto' : 'none'}>
<DatePickerIOS
date={this.state.date}
mode={mode}
minimumDate={minDate && this.getDate(minDate)}
maximumDate={maxDate && this.getDate(maxDate)}
onDateChange={this.onDateChange}
minuteInterval={minuteInterval}
timeZoneOffsetInMinutes={timeZoneOffsetInMinutes ? timeZoneOffsetInMinutes : null}
style={[Style.datePicker, customStyles.datePicker]}
locale={locale}
/>
</View>
<TouchableComponent
underlayColor={'transparent'}
onPress={this.onPressCancel}
style={[Style.btnText, Style.btnCancel, customStyles.btnCancel]}
testID={cancelBtnTestID}
<Animated.View
style={[
Style.datePickerCon,
{height, transform: [{translateY: this.state.animatedHeight}]},
customStyles.datePickerCon
]}
>
<Text
allowFontScaling={allowFontScaling}
style={[Style.btnTextText, Style.btnTextCancel, customStyles.btnTextCancel]}
<View pointerEvents={this.state.allowPointerEvents ? 'auto' : 'none'}>
<DatePickerIOS
date={this.state.date}
mode={mode}
minimumDate={minDate && this.getDate(minDate)}
maximumDate={maxDate && this.getDate(maxDate)}
onDateChange={this.onDateChange}
minuteInterval={minuteInterval}
timeZoneOffsetInMinutes={timeZoneOffsetInMinutes ? timeZoneOffsetInMinutes : null}
style={[Style.datePicker, customStyles.datePicker]}
locale={locale}
/>
</View>
<TouchableComponent
underlayColor={'transparent'}
onPress={this.onPressCancel}
style={[Style.btnText, Style.btnCancel, customStyles.btnCancel]}
testID={cancelBtnTestID}
>
{cancelBtnText}
</Text>
</TouchableComponent>
<TouchableComponent
underlayColor={'transparent'}
onPress={this.onPressConfirm}
style={[Style.btnText, Style.btnConfirm, customStyles.btnConfirm]}
testID={confirmBtnTestID}
>
<Text allowFontScaling={allowFontScaling}
style={[Style.btnTextText, customStyles.btnTextConfirm]}
<Text
allowFontScaling={allowFontScaling}
style={[Style.btnTextText, Style.btnTextCancel, customStyles.btnTextCancel]}
>
{cancelBtnText}
</Text>
</TouchableComponent>
<TouchableComponent
underlayColor={'transparent'}
onPress={this.onPressConfirm}
style={[Style.btnText, Style.btnConfirm, customStyles.btnConfirm]}
testID={confirmBtnTestID}
>
{confirmBtnText}
</Text>
</TouchableComponent>
</Animated.View>
<Text allowFontScaling={allowFontScaling}
style={[Style.btnTextText, customStyles.btnTextConfirm]}
>
{confirmBtnText}
</Text>
</TouchableComponent>
</Animated.View>
</TouchableComponent>
</TouchableComponent>
</TouchableComponent>
</Animated.View>
</View>
</Modal>}
</View>
Expand Down