diff --git a/native/calendar/calendar.react.js b/native/calendar/calendar.react.js index 28ea220e7..f46a4f525 100644 --- a/native/calendar/calendar.react.js +++ b/native/calendar/calendar.react.js @@ -1,1117 +1,1108 @@ // @flow import invariant from 'invariant'; import _filter from 'lodash/fp/filter.js'; import _find from 'lodash/fp/find.js'; import _findIndex from 'lodash/fp/findIndex.js'; import _map from 'lodash/fp/map.js'; import _pickBy from 'lodash/fp/pickBy.js'; import _size from 'lodash/fp/size.js'; import _sum from 'lodash/fp/sum.js'; import _throttle from 'lodash/throttle.js'; import * as React from 'react'; import { AppState as NativeAppState, FlatList, LayoutAnimation, Platform, Text, TouchableWithoutFeedback, View, } from 'react-native'; import type { UpdateCalendarQueryInput } from 'lib/actions/entry-actions.js'; import { updateCalendarQueryActionTypes, useUpdateCalendarQuery, } from 'lib/actions/entry-actions.js'; -import { connectionSelector } from 'lib/selectors/keyserver-selectors.js'; import { createLoadingStatusSelector } from 'lib/selectors/loading-selectors.js'; import { entryKey } from 'lib/shared/entry-utils.js'; import type { CalendarQuery, CalendarQueryUpdateResult, EntryInfo, } from 'lib/types/entry-types.js'; import type { CalendarFilter } from 'lib/types/filter-types.js'; import type { LoadingStatus } from 'lib/types/loading-types.js'; import type { ThreadInfo } from 'lib/types/minimally-encoded-thread-permissions-types.js'; -import type { ConnectionStatus } from 'lib/types/socket-types.js'; import { dateFromString, dateString, prettyDate, } from 'lib/utils/date-utils.js'; import { type DispatchActionPromise, useDispatchActionPromise, } from 'lib/utils/redux-promise-utils.js'; import sleep from 'lib/utils/sleep.js'; import CalendarInputBar from './calendar-input-bar.react.js'; import { dummyNodeForEntryHeightMeasurement, Entry, InternalEntry, } from './entry.react.js'; import SectionFooter from './section-footer.react.js'; -import { authoritativeKeyserverID } from '../authoritative-keyserver.js'; import ContentLoading from '../components/content-loading.react.js'; import KeyboardAvoidingView from '../components/keyboard-avoiding-view.react.js'; import ListLoadingIndicator from '../components/list-loading-indicator.react.js'; import NodeHeightMeasurer from '../components/node-height-measurer.react.js'; import { addKeyboardDismissListener, addKeyboardShowListener, removeKeyboardListener, } from '../keyboard/keyboard.js'; import DisconnectedBar from '../navigation/disconnected-bar.react.js'; import { createActiveTabSelector, createIsForegroundSelector, } from '../navigation/nav-selectors.js'; import { NavContext } from '../navigation/navigation-context.js'; import type { NavigationRoute } from '../navigation/route-names.js'; import { CalendarRouteName, ThreadPickerModalRouteName, } from '../navigation/route-names.js'; import type { TabNavigationProp } from '../navigation/tab-navigator.react.js'; import { useSelector } from '../redux/redux-utils.js'; import type { CalendarItem, LoaderItem, SectionFooterItem, SectionHeaderItem, } from '../selectors/calendar-selectors.js'; import { calendarListData } from '../selectors/calendar-selectors.js'; import { type DerivedDimensionsInfo, derivedDimensionsInfoSelector, } from '../selectors/dimensions-selectors.js'; import { type Colors, type IndicatorStyle, useColors, useIndicatorStyle, useStyles, } from '../themes/colors.js'; import type { EventSubscription, KeyboardEvent, ScrollEvent, ViewableItemsChange, } from '../types/react-native.js'; export type EntryInfoWithHeight = { ...EntryInfo, +textHeight: number, }; type CalendarItemWithHeight = | LoaderItem | SectionHeaderItem | SectionFooterItem | { itemType: 'entryInfo', entryInfo: EntryInfoWithHeight, threadInfo: ThreadInfo, }; type ExtraData = { +activeEntries: { +[key: string]: boolean }, +visibleEntries: { +[key: string]: boolean }, }; const unboundStyles = { container: { backgroundColor: 'listBackground', flex: 1, }, flatList: { backgroundColor: 'listBackground', flex: 1, }, keyboardAvoidingViewContainer: { position: 'absolute', top: 0, bottom: 0, left: 0, right: 0, }, keyboardAvoidingView: { position: 'absolute', left: 0, right: 0, bottom: 0, }, sectionHeader: { backgroundColor: 'panelSecondaryForeground', borderBottomWidth: 2, borderColor: 'listBackground', height: 31, }, sectionHeaderText: { color: 'listSeparatorLabel', fontWeight: 'bold', padding: 5, }, weekendSectionHeader: {}, }; type BaseProps = { +navigation: TabNavigationProp<'Calendar'>, +route: NavigationRoute<'Calendar'>, }; type Props = { ...BaseProps, // Nav state +calendarActive: boolean, // Redux state +listData: ?$ReadOnlyArray, +startDate: string, +endDate: string, +calendarFilters: $ReadOnlyArray, +dimensions: DerivedDimensionsInfo, +loadingStatus: LoadingStatus, - +connectionStatus: ConnectionStatus, + +connected: boolean, +colors: Colors, +styles: $ReadOnly, +indicatorStyle: IndicatorStyle, // Redux dispatch functions +dispatchActionPromise: DispatchActionPromise, // async functions that hit server APIs +updateCalendarQuery: ( input: UpdateCalendarQueryInput, ) => Promise, }; type State = { +listDataWithHeights: ?$ReadOnlyArray, +readyToShowList: boolean, +extraData: ExtraData, +currentlyEditing: $ReadOnlyArray, }; class Calendar extends React.PureComponent { flatList: ?FlatList = null; currentState: ?string = NativeAppState.currentState; appStateListener: ?EventSubscription; lastForegrounded = 0; lastCalendarReset = 0; currentScrollPosition: ?number = null; // We don't always want an extraData update to trigger a state update, so we // cache the most recent value as a member here latestExtraData: ExtraData; // For some reason, we have to delay the scrollToToday call after the first // scroll upwards firstScrollComplete = false; // When an entry becomes active, we make a note of its key so that once the // keyboard event happens, we know where to move the scrollPos to lastEntryKeyActive: ?string = null; keyboardShowListener: ?EventSubscription; keyboardDismissListener: ?EventSubscription; keyboardShownHeight: ?number = null; // If the query fails, we try it again topLoadingFromScroll: ?CalendarQuery = null; bottomLoadingFromScroll: ?CalendarQuery = null; // We wait until the loaders leave view before letting them be triggered again topLoaderWaitingToLeaveView = true; bottomLoaderWaitingToLeaveView = true; // We keep refs to the entries so CalendarInputBar can save them entryRefs: Map = new Map(); constructor(props: Props) { super(props); this.latestExtraData = { activeEntries: {}, visibleEntries: {}, }; this.state = { listDataWithHeights: null, readyToShowList: false, extraData: this.latestExtraData, currentlyEditing: [], }; } componentDidMount() { this.appStateListener = NativeAppState.addEventListener( 'change', this.handleAppStateChange, ); this.keyboardShowListener = addKeyboardShowListener(this.keyboardShow); this.keyboardDismissListener = addKeyboardDismissListener( this.keyboardDismiss, ); this.props.navigation.addListener('tabPress', this.onTabPress); } componentWillUnmount() { if (this.appStateListener) { this.appStateListener.remove(); this.appStateListener = null; } if (this.keyboardShowListener) { removeKeyboardListener(this.keyboardShowListener); this.keyboardShowListener = null; } if (this.keyboardDismissListener) { removeKeyboardListener(this.keyboardDismissListener); this.keyboardDismissListener = null; } this.props.navigation.removeListener('tabPress', this.onTabPress); } handleAppStateChange = (nextAppState: ?string) => { const lastState = this.currentState; this.currentState = nextAppState; if ( !lastState || !lastState.match(/inactive|background/) || this.currentState !== 'active' ) { // We're only handling foregrounding here return; } if (Date.now() - this.lastCalendarReset < 500) { // If the calendar got reset right before this callback triggered, that // indicates we should reset the scroll position this.lastCalendarReset = 0; this.scrollToToday(false); } else { // Otherwise, it's possible that the calendar is about to get reset. We // record a timestamp here so we can scrollToToday there. this.lastForegrounded = Date.now(); } }; onTabPress = () => { if (this.props.navigation.isFocused()) { this.scrollToToday(); } }; componentDidUpdate(prevProps: Props, prevState: State) { if (!this.props.listData && this.props.listData !== prevProps.listData) { this.latestExtraData = { activeEntries: {}, visibleEntries: {}, }; this.setState({ listDataWithHeights: null, readyToShowList: false, extraData: this.latestExtraData, }); this.firstScrollComplete = false; this.topLoaderWaitingToLeaveView = true; this.bottomLoaderWaitingToLeaveView = true; } - const { loadingStatus, connectionStatus } = this.props; - const { - loadingStatus: prevLoadingStatus, - connectionStatus: prevConnectionStatus, - } = prevProps; + const { loadingStatus, connected } = this.props; + const { loadingStatus: prevLoadingStatus, connected: prevConnected } = + prevProps; if ( (loadingStatus === 'error' && prevLoadingStatus === 'loading') || - (connectionStatus === 'connected' && prevConnectionStatus !== 'connected') + (connected && !prevConnected) ) { this.loadMoreAbove(); this.loadMoreBelow(); } const lastLDWH = prevState.listDataWithHeights; const newLDWH = this.state.listDataWithHeights; if (!newLDWH) { return; } else if (!lastLDWH) { if (!this.props.calendarActive) { // FlatList has an initialScrollIndex prop, which is usually close to // centering but can be off when there is a particularly large Entry in // the list. scrollToToday lets us actually center, but gets overriden // by initialScrollIndex if we call it right after the FlatList mounts void sleep(50).then(() => this.scrollToToday()); } return; } if (newLDWH.length < lastLDWH.length) { this.topLoaderWaitingToLeaveView = true; this.bottomLoaderWaitingToLeaveView = true; if (this.flatList) { if (!this.props.calendarActive) { // If the currentCalendarQuery gets reset we scroll to the center this.scrollToToday(); } else if (Date.now() - this.lastForegrounded < 500) { // If the app got foregrounded right before the calendar got reset, // that indicates we should reset the scroll position this.lastForegrounded = 0; this.scrollToToday(false); } else { // Otherwise, it's possible that we got triggered before the // foreground callback. Let's record a timestamp here so we can call // scrollToToday there this.lastCalendarReset = Date.now(); } } } const { lastStartDate, newStartDate, lastEndDate, newEndDate } = Calendar.datesFromListData(lastLDWH, newLDWH); if (newStartDate > lastStartDate || newEndDate < lastEndDate) { // If there are fewer items in our new data, which happens when the // current calendar query gets reset due to inactivity, let's reset the // scroll position to the center (today) if (!this.props.calendarActive) { void sleep(50).then(() => this.scrollToToday()); } this.firstScrollComplete = false; } else if (newStartDate < lastStartDate) { this.updateScrollPositionAfterPrepend(lastLDWH, newLDWH); } else if (newEndDate > lastEndDate) { this.firstScrollComplete = true; } else if (newLDWH.length > lastLDWH.length) { LayoutAnimation.easeInEaseOut(); } if (newStartDate < lastStartDate) { this.topLoadingFromScroll = null; } if (newEndDate > lastEndDate) { this.bottomLoadingFromScroll = null; } const { keyboardShownHeight, lastEntryKeyActive } = this; if (keyboardShownHeight && lastEntryKeyActive) { this.scrollToKey(lastEntryKeyActive, keyboardShownHeight); this.lastEntryKeyActive = null; } } static datesFromListData( lastLDWH: $ReadOnlyArray, newLDWH: $ReadOnlyArray, ): { +lastStartDate: Date, +newStartDate: Date, +lastEndDate: Date, +newEndDate: Date, } { const lastSecondItem = lastLDWH[1]; const newSecondItem = newLDWH[1]; invariant( newSecondItem.itemType === 'header' && lastSecondItem.itemType === 'header', 'second item in listData should be a header', ); const lastStartDate = dateFromString(lastSecondItem.dateString); const newStartDate = dateFromString(newSecondItem.dateString); const lastPenultimateItem = lastLDWH[lastLDWH.length - 2]; const newPenultimateItem = newLDWH[newLDWH.length - 2]; invariant( newPenultimateItem.itemType === 'footer' && lastPenultimateItem.itemType === 'footer', 'penultimate item in listData should be a footer', ); const lastEndDate = dateFromString(lastPenultimateItem.dateString); const newEndDate = dateFromString(newPenultimateItem.dateString); return { lastStartDate, newStartDate, lastEndDate, newEndDate }; } /** * When prepending list items, FlatList isn't smart about preserving scroll * position. If we're at the start of the list before prepending, FlatList * will just keep us at the front after prepending. But we want to preserve * the previous on-screen items, so we have to do a calculation to get the new * scroll position. (And deal with the inherent glitchiness of trying to time * that change with the items getting prepended... *sigh*.) */ updateScrollPositionAfterPrepend( lastLDWH: $ReadOnlyArray, newLDWH: $ReadOnlyArray, ) { const existingKeys = new Set(_map(Calendar.keyExtractor)(lastLDWH)); const newItems = _filter( (item: CalendarItemWithHeight) => !existingKeys.has(Calendar.keyExtractor(item)), )(newLDWH); const heightOfNewItems = Calendar.heightOfItems(newItems); const flatList = this.flatList; invariant(flatList, 'flatList should be set'); const scrollAction = () => { invariant( this.currentScrollPosition !== undefined && this.currentScrollPosition !== null, 'currentScrollPosition should be set', ); const currentScrollPosition = Math.max(this.currentScrollPosition, 0); const offset = currentScrollPosition + heightOfNewItems; flatList.scrollToOffset({ offset, animated: false, }); }; scrollAction(); if (!this.firstScrollComplete) { setTimeout(scrollAction, 0); this.firstScrollComplete = true; } } scrollToToday(animated: ?boolean = undefined) { if (animated === undefined) { animated = this.props.calendarActive; } const ldwh = this.state.listDataWithHeights; if (!ldwh) { return; } const todayIndex = _findIndex(['dateString', dateString(new Date())])(ldwh); invariant(this.flatList, "scrollToToday called, but flatList isn't set"); this.flatList.scrollToIndex({ index: todayIndex, animated, viewPosition: 0.5, }); } // ESLint doesn't recognize that invariant always throws // eslint-disable-next-line consistent-return renderItem = (row: { +item: CalendarItemWithHeight, ... }): React.Node => { const item = row.item; if (item.itemType === 'loader') { return ; } else if (item.itemType === 'header') { return this.renderSectionHeader(item); } else if (item.itemType === 'entryInfo') { const key = entryKey(item.entryInfo); return ( ); } else if (item.itemType === 'footer') { return this.renderSectionFooter(item); } invariant(false, 'renderItem conditions should be exhaustive'); }; renderSectionHeader = (item: SectionHeaderItem): React.Node => { let date = prettyDate(item.dateString); if (dateString(new Date()) === item.dateString) { date += ' (today)'; } const dateObj = dateFromString(item.dateString).getDay(); const weekendStyle = dateObj === 0 || dateObj === 6 ? this.props.styles.weekendSectionHeader : null; return ( {date} ); }; renderSectionFooter = (item: SectionFooterItem): React.Node => { return ( ); }; onAdd = (dayString: string) => { this.props.navigation.navigate(ThreadPickerModalRouteName, { presentedFrom: this.props.route.key, dateString: dayString, }); }; static keyExtractor = ( item: CalendarItemWithHeight | CalendarItem, // ESLint doesn't recognize that invariant always throws // eslint-disable-next-line consistent-return ): string => { if (item.itemType === 'loader') { return item.key; } else if (item.itemType === 'header') { return item.dateString + '/header'; } else if (item.itemType === 'entryInfo') { return entryKey(item.entryInfo); } else if (item.itemType === 'footer') { return item.dateString + '/footer'; } invariant(false, 'keyExtractor conditions should be exhaustive'); }; static getItemLayout = ( data: ?$ReadOnlyArray, index: number, ): { length: number, offset: number, index: number } => { if (!data) { return { length: 0, offset: 0, index }; } const offset = Calendar.heightOfItems(data.filter((_, i) => i < index)); const item = data[index]; const length = item ? Calendar.itemHeight(item) : 0; return { length, offset, index }; }; // ESLint doesn't recognize that invariant always throws // eslint-disable-next-line consistent-return static itemHeight = (item: CalendarItemWithHeight): number => { if (item.itemType === 'loader') { return 56; } else if (item.itemType === 'header') { return 31; } else if (item.itemType === 'entryInfo') { const verticalPadding = 10; return verticalPadding + item.entryInfo.textHeight; } else if (item.itemType === 'footer') { return 40; } invariant(false, 'itemHeight conditions should be exhaustive'); }; static heightOfItems = ( data: $ReadOnlyArray, ): number => { return _sum(data.map(Calendar.itemHeight)); }; render(): React.Node { const { listDataWithHeights } = this.state; let flatList = null; if (listDataWithHeights) { const flatListStyle = { opacity: this.state.readyToShowList ? 1 : 0 }; const initialScrollIndex = this.initialScrollIndex(listDataWithHeights); flatList = ( ); } let loadingIndicator = null; if (!listDataWithHeights || !this.state.readyToShowList) { loadingIndicator = ( ); } const disableInputBar = this.state.currentlyEditing.length === 0; return ( <> {loadingIndicator} {flatList} ); } flatListHeight(): number { const { safeAreaHeight, tabBarHeight } = this.props.dimensions; return safeAreaHeight - tabBarHeight; } initialScrollIndex(data: $ReadOnlyArray): number { const todayIndex = _findIndex(['dateString', dateString(new Date())])(data); const heightOfTodayHeader = Calendar.itemHeight(data[todayIndex]); let returnIndex = todayIndex; let heightLeft = (this.flatListHeight() - heightOfTodayHeader) / 2; while (heightLeft > 0) { heightLeft -= Calendar.itemHeight(data[--returnIndex]); } return returnIndex; } flatListRef = (flatList: ?FlatList) => { this.flatList = flatList; }; entryRef = (inEntryKey: string, entry: ?InternalEntry) => { this.entryRefs.set(inEntryKey, entry); }; makeAllEntriesInactive = () => { if (_size(this.state.extraData.activeEntries) === 0) { if (_size(this.latestExtraData.activeEntries) !== 0) { this.latestExtraData = { visibleEntries: this.latestExtraData.visibleEntries, activeEntries: this.state.extraData.activeEntries, }; } return; } this.latestExtraData = { visibleEntries: this.latestExtraData.visibleEntries, activeEntries: {}, }; this.setState({ extraData: this.latestExtraData }); }; makeActive = (key: string, active: boolean) => { if (!active) { const activeKeys = Object.keys(this.latestExtraData.activeEntries); if (activeKeys.length === 0) { if (Object.keys(this.state.extraData.activeEntries).length !== 0) { this.setState({ extraData: this.latestExtraData }); } return; } const activeKey = activeKeys[0]; if (activeKey === key) { this.latestExtraData = { visibleEntries: this.latestExtraData.visibleEntries, activeEntries: {}, }; this.setState({ extraData: this.latestExtraData }); } return; } if ( _size(this.state.extraData.activeEntries) === 1 && this.state.extraData.activeEntries[key] ) { if ( _size(this.latestExtraData.activeEntries) !== 1 || !this.latestExtraData.activeEntries[key] ) { this.latestExtraData = { visibleEntries: this.latestExtraData.visibleEntries, activeEntries: this.state.extraData.activeEntries, }; } return; } this.latestExtraData = { visibleEntries: this.latestExtraData.visibleEntries, activeEntries: { [key]: true }, }; this.setState({ extraData: this.latestExtraData }); }; onEnterEntryEditMode = (entryInfo: EntryInfoWithHeight) => { const key = entryKey(entryInfo); const keyboardShownHeight = this.keyboardShownHeight; if (keyboardShownHeight && this.state.listDataWithHeights) { this.scrollToKey(key, keyboardShownHeight); } else { this.lastEntryKeyActive = key; } const newCurrentlyEditing = [ ...new Set([...this.state.currentlyEditing, key]), ]; if (newCurrentlyEditing.length > this.state.currentlyEditing.length) { this.setState({ currentlyEditing: newCurrentlyEditing }); } }; onConcludeEntryEditMode = (entryInfo: EntryInfoWithHeight) => { const key = entryKey(entryInfo); const newCurrentlyEditing = this.state.currentlyEditing.filter( k => k !== key, ); if (newCurrentlyEditing.length < this.state.currentlyEditing.length) { this.setState({ currentlyEditing: newCurrentlyEditing }); } }; keyboardShow = (event: KeyboardEvent) => { // flatListHeight() factors in the size of the tab bar, // but it is hidden by the keyboard since it is at the bottom const { bottomInset, tabBarHeight } = this.props.dimensions; const inputBarHeight = Platform.OS === 'android' ? 37.7 : 35.5; const keyboardHeight: number = Platform.select({ // Android doesn't include the bottomInset in this height measurement android: event.endCoordinates.height, default: Math.max(event.endCoordinates.height - bottomInset, 0), }); const keyboardShownHeight = inputBarHeight + Math.max(keyboardHeight - tabBarHeight, 0); this.keyboardShownHeight = keyboardShownHeight; const lastEntryKeyActive = this.lastEntryKeyActive; if (lastEntryKeyActive && this.state.listDataWithHeights) { this.scrollToKey(lastEntryKeyActive, keyboardShownHeight); this.lastEntryKeyActive = null; } }; keyboardDismiss = () => { this.keyboardShownHeight = null; }; scrollToKey(lastEntryKeyActive: string, keyboardHeight: number) { const data = this.state.listDataWithHeights; invariant(data, 'should be set'); const index = data.findIndex( (item: CalendarItemWithHeight) => Calendar.keyExtractor(item) === lastEntryKeyActive, ); if (index === -1) { return; } const itemStart = Calendar.heightOfItems(data.filter((_, i) => i < index)); const itemHeight = Calendar.itemHeight(data[index]); const entryAdditionalActiveHeight = Platform.OS === 'android' ? 21 : 20; const itemEnd = itemStart + itemHeight + entryAdditionalActiveHeight; const visibleHeight = this.flatListHeight() - keyboardHeight; if ( this.currentScrollPosition !== undefined && this.currentScrollPosition !== null && itemStart > this.currentScrollPosition && itemEnd < this.currentScrollPosition + visibleHeight ) { return; } const offset = itemStart - (visibleHeight - itemHeight) / 2; invariant(this.flatList, 'flatList should be set'); this.flatList.scrollToOffset({ offset, animated: true }); } heightMeasurerKey = (item: CalendarItem): ?string => { if (item.itemType !== 'entryInfo') { return null; } return item.entryInfo.text; }; heightMeasurerDummy = (item: CalendarItem): React.MixedElement => { invariant( item.itemType === 'entryInfo', 'NodeHeightMeasurer asked for dummy for non-entryInfo item', ); return dummyNodeForEntryHeightMeasurement(item.entryInfo.text); }; heightMeasurerMergeItem = ( item: CalendarItem, height: ?number, ): CalendarItemWithHeight => { if (item.itemType !== 'entryInfo') { return item; } invariant(height !== null && height !== undefined, 'height should be set'); const { entryInfo } = item; return { itemType: 'entryInfo', entryInfo: Calendar.entryInfoWithHeight(entryInfo, height), threadInfo: item.threadInfo, }; }; static entryInfoWithHeight( entryInfo: EntryInfo, textHeight: number, ): EntryInfoWithHeight { // Blame Flow for not accepting object spread on exact types if (entryInfo.id && entryInfo.localID) { return { id: entryInfo.id, localID: entryInfo.localID, threadID: entryInfo.threadID, text: entryInfo.text, year: entryInfo.year, month: entryInfo.month, day: entryInfo.day, creationTime: entryInfo.creationTime, creator: entryInfo.creator, deleted: entryInfo.deleted, textHeight: Math.ceil(textHeight), }; } else if (entryInfo.id) { return { id: entryInfo.id, threadID: entryInfo.threadID, text: entryInfo.text, year: entryInfo.year, month: entryInfo.month, day: entryInfo.day, creationTime: entryInfo.creationTime, creator: entryInfo.creator, deleted: entryInfo.deleted, textHeight: Math.ceil(textHeight), }; } else { return { localID: entryInfo.localID, threadID: entryInfo.threadID, text: entryInfo.text, year: entryInfo.year, month: entryInfo.month, day: entryInfo.day, creationTime: entryInfo.creationTime, creator: entryInfo.creator, deleted: entryInfo.deleted, textHeight: Math.ceil(textHeight), }; } } allHeightsMeasured = ( listDataWithHeights: $ReadOnlyArray, ) => { this.setState({ listDataWithHeights }); }; onViewableItemsChanged = (info: ViewableItemsChange) => { const ldwh = this.state.listDataWithHeights; if (!ldwh) { // This indicates the listData was cleared (set to null) right before this // callback was called. Since this leads to the FlatList getting cleared, // we'll just ignore this callback. return; } const visibleEntries: { [string]: boolean } = {}; for (const token of info.viewableItems) { if (token.item.itemType === 'entryInfo') { visibleEntries[entryKey(token.item.entryInfo)] = true; } } this.latestExtraData = { activeEntries: _pickBy((_, key: string) => { if (visibleEntries[key]) { return true; } // We don't automatically set scrolled-away entries to be inactive // because entries can be out-of-view at creation time if they need to // be scrolled into view (see onEnterEntryEditMode). If Entry could // distinguish the reasons its active prop gets set to false, it could // differentiate the out-of-view case from the something-pressed case, // and then we could set scrolled-away entries to be inactive without // worrying about this edge case. Until then... const foundItem = _find( item => item.entryInfo && entryKey(item.entryInfo) === key, )(ldwh); return !!foundItem; })(this.latestExtraData.activeEntries), visibleEntries, }; const topLoader = _find({ key: 'TopLoader' })(info.viewableItems); if (this.topLoaderWaitingToLeaveView && !topLoader) { this.topLoaderWaitingToLeaveView = false; this.topLoadingFromScroll = null; } const bottomLoader = _find({ key: 'BottomLoader' })(info.viewableItems); if (this.bottomLoaderWaitingToLeaveView && !bottomLoader) { this.bottomLoaderWaitingToLeaveView = false; this.bottomLoadingFromScroll = null; } if ( !this.state.readyToShowList && !this.topLoaderWaitingToLeaveView && !this.bottomLoaderWaitingToLeaveView && info.viewableItems.length > 0 ) { this.setState({ readyToShowList: true, extraData: this.latestExtraData, }); } if ( topLoader && !this.topLoaderWaitingToLeaveView && !this.topLoadingFromScroll ) { this.topLoaderWaitingToLeaveView = true; const start = dateFromString(this.props.startDate); start.setDate(start.getDate() - 31); const startDate = dateString(start); const endDate = this.props.endDate; this.topLoadingFromScroll = { startDate, endDate, filters: this.props.calendarFilters, }; this.loadMoreAbove(); } else if ( bottomLoader && !this.bottomLoaderWaitingToLeaveView && !this.bottomLoadingFromScroll ) { this.bottomLoaderWaitingToLeaveView = true; const end = dateFromString(this.props.endDate); end.setDate(end.getDate() + 31); const endDate = dateString(end); const startDate = this.props.startDate; this.bottomLoadingFromScroll = { startDate, endDate, filters: this.props.calendarFilters, }; this.loadMoreBelow(); } }; dispatchCalendarQueryUpdate(calendarQuery: CalendarQuery) { void this.props.dispatchActionPromise( updateCalendarQueryActionTypes, this.props.updateCalendarQuery({ calendarQuery }), ); } loadMoreAbove: () => void = _throttle(() => { if ( this.topLoadingFromScroll && this.topLoaderWaitingToLeaveView && - this.props.connectionStatus === 'connected' + this.props.connected ) { this.dispatchCalendarQueryUpdate(this.topLoadingFromScroll); } }, 1000); loadMoreBelow: () => void = _throttle(() => { if ( this.bottomLoadingFromScroll && this.bottomLoaderWaitingToLeaveView && - this.props.connectionStatus === 'connected' + this.props.connected ) { this.dispatchCalendarQueryUpdate(this.bottomLoadingFromScroll); } }, 1000); onScroll = (event: ScrollEvent) => { this.currentScrollPosition = event.nativeEvent.contentOffset.y; }; // When the user "flicks" the scroll view, this callback gets triggered after // the scrolling ends onMomentumScrollEnd = () => { this.setState({ extraData: this.latestExtraData }); }; // This callback gets triggered when the user lets go of scrolling the scroll // view, regardless of whether it was a "flick" or a pan onScrollEndDrag = () => { // We need to figure out if this was a flick or not. If it's a flick, we'll // let onMomentumScrollEnd handle it once scroll position stabilizes const currentScrollPosition = this.currentScrollPosition; setTimeout(() => { if (this.currentScrollPosition === currentScrollPosition) { this.setState({ extraData: this.latestExtraData }); } }, 50); }; onSaveEntry = () => { const entryKeys = Object.keys(this.latestExtraData.activeEntries); if (entryKeys.length === 0) { return; } const entryRef = this.entryRefs.get(entryKeys[0]); if (entryRef) { entryRef.completeEdit(); } }; } const loadingStatusSelector = createLoadingStatusSelector( updateCalendarQueryActionTypes, ); const activeTabSelector = createActiveTabSelector(CalendarRouteName); const activeThreadPickerSelector = createIsForegroundSelector( ThreadPickerModalRouteName, ); const ConnectedCalendar: React.ComponentType = React.memo( function ConnectedCalendar(props: BaseProps) { const navContext = React.useContext(NavContext); const calendarActive = activeTabSelector(navContext) || activeThreadPickerSelector(navContext); const listData = useSelector(calendarListData); const startDate = useSelector(state => state.navInfo.startDate); const endDate = useSelector(state => state.navInfo.endDate); const calendarFilters = useSelector(state => state.calendarFilters); const dimensions = useSelector(derivedDimensionsInfoSelector); const loadingStatus = useSelector(loadingStatusSelector); - const connection = useSelector( - connectionSelector(authoritativeKeyserverID), - ); - invariant(connection, 'keyserver missing from keyserverStore'); - const connectionStatus = connection.status; + const connected = useSelector(state => state.connectivity.connected); const colors = useColors(); const styles = useStyles(unboundStyles); const indicatorStyle = useIndicatorStyle(); const dispatchActionPromise = useDispatchActionPromise(); const callUpdateCalendarQuery = useUpdateCalendarQuery(); return ( ); }, ); export default ConnectedCalendar;