react-native#ViewToken TypeScript Examples

The following examples show how to use react-native#ViewToken. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: IterableInAppMessage.ts    From react-native-sdk with MIT License 6 votes vote down vote up 
static fromViewToken(viewToken: ViewToken) {
    var inAppMessage = viewToken.item["inAppMessage"] as IterableInAppMessage

    return new IterableInAppMessage(
      inAppMessage.messageId,
      inAppMessage.campaignId,
      inAppMessage.trigger,
      inAppMessage.createdAt,
      inAppMessage.expiresAt,
      inAppMessage.saveToInbox,
      inAppMessage.inboxMetadata,
      inAppMessage.customPayload,
      inAppMessage.read,
      inAppMessage.priorityLevel
    )
  }
Example #2
Source File: IterableInboxMessageList.tsx    From react-native-sdk with MIT License 5 votes vote down vote up 
IterableInboxMessageList = ({
   dataModel,
   rowViewModels,
   customizations,
   messageListItemLayout,
   deleteRow,
   handleMessageSelect,
   updateVisibleMessageImpressions,
   contentWidth,
   isPortrait
}: MessageListProps) => {
   const [swiping, setSwiping] = useState<boolean>(false)
   const flatListRef = useRef<FlatList>(null)

   function renderRowViewModel(rowViewModel: InboxRowViewModel, index: number, last: boolean) {
      return (
         <IterableInboxMessageCell
            key={rowViewModel.inAppMessage.messageId}
            index={index}
            last={last}
            dataModel={dataModel}
            rowViewModel={rowViewModel}
            customizations={customizations}
            swipingCheck={(swiping: boolean) => setSwiping(swiping)}
            messageListItemLayout={messageListItemLayout}
            deleteRow={(messageId: string) => deleteRow(messageId)}
            handleMessageSelect={(messageId: string, index: number) => handleMessageSelect(messageId, index)}
            contentWidth={contentWidth}
            isPortrait={isPortrait}
         />
      )
   }

   function getRowInfosFromViewTokens(viewTokens: Array<ViewToken>): Array<InboxImpressionRowInfo> {
      return viewTokens.map(
         function(viewToken) {
            var inAppMessage = IterableInAppMessage.fromViewToken(viewToken)
            
            const impression = {
               messageId: inAppMessage.messageId,
               silentInbox: inAppMessage.isSilentInbox()
            } as InboxImpressionRowInfo

            return impression
         }
      )
   }

   const inboxSessionViewabilityConfig: ViewabilityConfig = {
      minimumViewTime: 500,
      itemVisiblePercentThreshold: 100,
      waitForInteraction: false
   }

   const inboxSessionItemsChanged = useCallback((
      (info: {viewableItems: Array<ViewToken>, changed: Array<ViewToken>}) => {
         const rowInfos = getRowInfosFromViewTokens(info.viewableItems)

         updateVisibleMessageImpressions(rowInfos)
      }
   ), [])

   return (
      <FlatList
         ref={flatListRef}
         scrollEnabled={!swiping}
         data={rowViewModels}
         renderItem={({ item, index }: { item: InboxRowViewModel, index: number }) => renderRowViewModel(item, index, index === rowViewModels.length - 1)}
         keyExtractor={(item: InboxRowViewModel) => item.inAppMessage.messageId}
         viewabilityConfig={inboxSessionViewabilityConfig}
         onViewableItemsChanged={inboxSessionItemsChanged}
         onLayout={() => {flatListRef.current?.recordInteraction()}}
      />
   )
}
Example #3
Source File: DayStrip.tsx    From nyxo-app with GNU General Public License v3.0 4 votes vote down vote up 
CalendarStrip: FC = () => {
  const { selectDate, selectedDate } = useCalendar()
  const flatListRef = useRef<FlatList>(null)
  const [init, setInit] = useState(true)
  const dispatch = useAppDispatch()
  const startDate = new Date()

  const days = Array.from(Array(365 * 3)).map((_, index) =>
    startOfDay(sub(startDate, { days: index }))
  )

  const toggleCalendar = () => {
    dispatch(toggleCalendarModal(true))
  }

  const renderItem: ListRenderItem<Date> = ({ item, index }) => (
    <PressableContainer key={item.toISOString()} onPress={toggleCalendar}>
      <Day isFirst={index === 0}>
        <DateContainer isFirst={index === 0}>
          {localizedFormat(item, 'EEE d. LLL')}
        </DateContainer>
      </Day>
    </PressableContainer>
  )

  const handleViewableItemsChanged = ({
    viewableItems
  }: {
    viewableItems: Array<ViewToken>
  }) => {
    if (viewableItems.length === 1) {
      const date = viewableItems[0].item
      selectDate(date)
    }
  }

  const handleViewableItemsChangedRef = useRef(handleViewableItemsChanged)

  const viewabilityConfig = {
    itemVisiblePercentThreshold: 85,
    minimumViewTime: 750
  }

  const keyExtractor = (item: Date) => item.toISOString()

  const scrollToItem = (index: number) => {
    return flatListRef?.current?.scrollToIndex({
      index,
      animated: true,
      viewPosition: 0.5
    })
  }

  useEffect(() => {
    if (!init) {
      const index = days.findIndex((date) =>
        isSameDay(date, new Date(selectedDate))
      )
      if (index >= 0) {
        scrollToItem(index)
      }
    } else {
      setInit(false)
    }
  }, [days, init, selectedDate])

  const getItemLayout = (_: unknown, index: number) => {
    if (index === 0) {
      return {
        index,
        length: FIRST_DAY_WIDTH,
        offset: 0
      }
    }
    return {
      index,
      length: DAY_WIDTH,
      offset: FIRST_DAY_WIDTH + DAY_WIDTH * index - DAY_WIDTH
    }
  }

  const snapOffsets = days.map((_, index) => {
    if (index === 0) {
      return DAY_WIDTH
    }
    return DAY_WIDTH * (index + 1)
  })

  return (
    <Container>
      <FlatList
        ref={flatListRef}
        showsHorizontalScrollIndicator={false}
        inverted
        snapToStart
        horizontal
        getItemLayout={getItemLayout}
        keyExtractor={keyExtractor}
        viewabilityConfig={viewabilityConfig}
        onViewableItemsChanged={handleViewableItemsChangedRef.current}
        decelerationRate="fast"
        snapToOffsets={snapOffsets}
        data={days}
        renderItem={renderItem}
      />
      <Gradient pointerEvents="box-none" />
    </Container>
  )
}