[Layout] Base (#6907)

* Add common gutter styles as hook

* Add computed scrollbar gutter CSS vars

* Add new layout components

* Replace layout components in settings screens

* Remove old back button

* Invert web border logic for easier migration

* Clean up Slot API

* Port over FF handling of scrollbar offset

* Trade boilerplate for ease of use

* Limit to one line

* Allow two lines, fix wrapping

* Fix alignment

* sticky headers

* set max with on header and center

* [Layout] Notifications Header (#6910)

* Replace notifications screen header

* fix cropped indicator

---------

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

* Replace Hashtag header (#6928)

* [Layout] ChatList header (#6929)

* Replace ChatList header

* update chat settings as well

---------

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

* Add web borders to Chat settings

* Remove unused var

* Move ChatList header outside center

* Replace empty chat layout

* fix breakpoints

* [Layout] Scrollbar gutters (#6908)

* Fix sidebar alignment

* Make sure scrollbars don't hide

* Gift left nav more space

* Use stable one-edge, update logic in RightNav

* Ope

* Increase width

* Reset

* Add transform to sidebars

* Remove bg in sidebars

* Handle shifts in layout components

* Replace scroll-removal handling

* Make react-remove-scroll an explicit dep

* Remove unused script

* use correct scroll insets (#6950)

* [Layout] Feeds headers (#6913)

* Replace ViewHeader internals, duplicate old ViewHeader

* Replace Feeds header

* Replace SavedFeeds header

* Visual alignment

* Uglier but clear

* Use old ViewHeader for SavedFeeds

* use Layout.Center instead of Layout.Content

* use left-aligned header for feed edit

* delete unused old view header

---------

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

* [Layout] Every other screen (#6953)

* attempt to fix double borders on every other screen

* delete ListHeaderDesktop

* delete `SimpleViewHeader` and fix screens (#6956)

* Make Layout.Center not full height

* Refactor List to use Layout.Center, remove built-in borders

* Fix Home screen

* Refactor PagerWithHeader to use Layout components

* Replace components in ProfileFeed and ProfileList

* Borders on Profile

* Search screen replacements

* use new header for profile subpage header (#6958)

* Search AutocompleteResults

* use new header for starter pack wizard (#6957)

* Fix post thread

* Enable borders by default

* Moderation muted and blocked accounts

* Fix scrollbar offset on Labeler

* Remove ScrollView from Moderation

* Remove ScrollView from Deactivated

* Remove ScrollView from onboarding

* Remove ScrollView from SignupQueued

* Mark deprecations

* fix lint

* Fix double borders on profile load

* Remove unneeded CenteredView from noty Feed

* Remove double Center layout on Notifications screen

* Remove double Center layout on ChatList screen

* Handle scrollbar offset in chat

* Use new atom for other scrollbar offsets

* Remove borders from old views

* Better doc

* Remove temp migration prop

* Fix new atom usage on native

* Clean up Hashtag screen

* Layout docs

* Clarify usage in Pager

* Handle nested offset contexts

* Clean up Layout

* fix feeds page

* asymmetric header on native (#6969)

* Reusable header const

* Fix up home header

* Add back button to convo

* Add hitslop to header buttons

* Comment

* Better handling on native for new atom

* Format

* Fix nested flatlist on mod screens

* Use react-remove-scroll-bar directly

* Fix notification count overflow on web

* Clarify doc

---------

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

1 files changed, 199 insertions, 0 deletions

diff --git a/src/components/Layout/Header/index.tsx b/src/components/Layout/Header/index.tsx
new file mode 100644
index 000000000..a35a09537
--- /dev/null
+++ b/src/components/Layout/Header/index.tsx
@@ -0,0 +1,199 @@
+import {createContext, useCallback, useContext} from 'react'
+import {GestureResponderEvent, View} from 'react-native'
+import {msg} from '@lingui/macro'
+import {useLingui} from '@lingui/react'
+import {useNavigation} from '@react-navigation/native'
+
+import {HITSLOP_30} from '#/lib/constants'
+import {NavigationProp} from '#/lib/routes/types'
+import {isIOS} from '#/platform/detection'
+import {useSetDrawerOpen} from '#/state/shell'
+import {
+  atoms as a,
+  platform,
+  TextStyleProp,
+  useBreakpoints,
+  useGutterStyles,
+  useTheme,
+} from '#/alf'
+import {Button, ButtonIcon, ButtonProps} from '#/components/Button'
+import {ArrowLeft_Stroke2_Corner0_Rounded as ArrowLeft} from '#/components/icons/Arrow'
+import {Menu_Stroke2_Corner0_Rounded as Menu} from '#/components/icons/Menu'
+import {
+  BUTTON_VISUAL_ALIGNMENT_OFFSET,
+  HEADER_SLOT_SIZE,
+} from '#/components/Layout/const'
+import {ScrollbarOffsetContext} from '#/components/Layout/context'
+import {Text} from '#/components/Typography'
+
+export function Outer({
+  children,
+  noBottomBorder,
+}: {
+  children: React.ReactNode
+  noBottomBorder?: boolean
+}) {
+  const t = useTheme()
+  const gutter = useGutterStyles()
+  const {gtMobile} = useBreakpoints()
+  const {isWithinOffsetView} = useContext(ScrollbarOffsetContext)
+
+  return (
+    <View
+      style={[
+        a.w_full,
+        !noBottomBorder && a.border_b,
+        a.flex_row,
+        a.align_center,
+        a.gap_sm,
+        gutter,
+        platform({
+          native: [a.pb_sm, a.pt_xs],
+          web: [a.py_sm],
+        }),
+        t.atoms.border_contrast_low,
+        gtMobile && [a.mx_auto, {maxWidth: 600}],
+        !isWithinOffsetView && a.scrollbar_offset,
+      ]}>
+      {children}
+    </View>
+  )
+}
+
+const AlignmentContext = createContext<'platform' | 'left'>('platform')
+
+export function Content({
+  children,
+  align = 'platform',
+}: {
+  children?: React.ReactNode
+  align?: 'platform' | 'left'
+}) {
+  return (
+    <View
+      style={[
+        a.flex_1,
+        a.justify_center,
+        isIOS && align === 'platform' && a.align_center,
+        {minHeight: HEADER_SLOT_SIZE},
+      ]}>
+      <AlignmentContext.Provider value={align}>
+        {children}
+      </AlignmentContext.Provider>
+    </View>
+  )
+}
+
+export function Slot({children}: {children?: React.ReactNode}) {
+  return (
+    <View
+      style={[
+        a.z_50,
+        {
+          width: HEADER_SLOT_SIZE,
+        },
+      ]}>
+      {children}
+    </View>
+  )
+}
+
+export function BackButton({onPress, style, ...props}: Partial<ButtonProps>) {
+  const {_} = useLingui()
+  const navigation = useNavigation<NavigationProp>()
+
+  const onPressBack = useCallback(
+    (evt: GestureResponderEvent) => {
+      onPress?.(evt)
+      if (evt.defaultPrevented) return
+      if (navigation.canGoBack()) {
+        navigation.goBack()
+      } else {
+        navigation.navigate('Home')
+      }
+    },
+    [onPress, navigation],
+  )
+
+  return (
+    <Slot>
+      <Button
+        label={_(msg`Go back`)}
+        size="small"
+        variant="ghost"
+        color="secondary"
+        shape="square"
+        onPress={onPressBack}
+        hitSlop={HITSLOP_30}
+        style={[{marginLeft: -BUTTON_VISUAL_ALIGNMENT_OFFSET}, style]}
+        {...props}>
+        <ButtonIcon icon={ArrowLeft} size="lg" />
+      </Button>
+    </Slot>
+  )
+}
+
+export function MenuButton() {
+  const {_} = useLingui()
+  const setDrawerOpen = useSetDrawerOpen()
+  const {gtMobile} = useBreakpoints()
+
+  const onPress = useCallback(() => {
+    setDrawerOpen(true)
+  }, [setDrawerOpen])
+
+  return gtMobile ? null : (
+    <Slot>
+      <Button
+        label={_(msg`Open drawer menu`)}
+        size="small"
+        variant="ghost"
+        color="secondary"
+        shape="square"
+        onPress={onPress}
+        hitSlop={HITSLOP_30}
+        style={[{marginLeft: -BUTTON_VISUAL_ALIGNMENT_OFFSET}]}>
+        <ButtonIcon icon={Menu} size="lg" />
+      </Button>
+    </Slot>
+  )
+}
+
+export function TitleText({
+  children,
+  style,
+}: {children: React.ReactNode} & TextStyleProp) {
+  const {gtMobile} = useBreakpoints()
+  const align = useContext(AlignmentContext)
+  return (
+    <Text
+      style={[
+        a.text_lg,
+        a.font_heavy,
+        a.leading_tight,
+        isIOS && align === 'platform' && a.text_center,
+        gtMobile && a.text_xl,
+        style,
+      ]}
+      numberOfLines={2}>
+      {children}
+    </Text>
+  )
+}
+
+export function SubtitleText({children}: {children: React.ReactNode}) {
+  const t = useTheme()
+  const align = useContext(AlignmentContext)
+  return (
+    <Text
+      style={[
+        a.text_sm,
+        a.leading_snug,
+        isIOS && align === 'platform' && a.text_center,
+        t.atoms.text_contrast_medium,
+      ]}
+      numberOfLines={2}>
+      {children}
+    </Text>
+  )
+}