From 5f4611d65e40eae3ca6191a15f68d69ea5a1c4cb Mon Sep 17 00:00:00 2001
From: Kirill Rogovoy <kirill@rogovoy.me>
Date: Tue, 20 Jul 2021 21:24:52 +0300
Subject: WIP

---
 app_expo/components/screen/screen.tsx | 66 +++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 app_expo/components/screen/screen.tsx

(limited to 'app_expo/components/screen/screen.tsx')

diff --git a/app_expo/components/screen/screen.tsx b/app_expo/components/screen/screen.tsx
new file mode 100644
index 0000000..dafe36e
--- /dev/null
+++ b/app_expo/components/screen/screen.tsx
@@ -0,0 +1,66 @@
+import * as React from 'react'
+import { KeyboardAvoidingView, Platform, ScrollView, StatusBar, View } from 'react-native'
+import { useSafeAreaInsets } from 'react-native-safe-area-context'
+import { ScreenProps } from './screen.props'
+import { isNonScrolling, offsets, presets } from './screen.presets'
+
+const isIos = Platform.OS === 'ios'
+
+function ScreenWithoutScrolling(props: ScreenProps) {
+  const insets = useSafeAreaInsets()
+  const preset = presets.fixed
+  const style = props.style || {}
+  const backgroundStyle = props.backgroundColor ? { backgroundColor: props.backgroundColor } : {}
+  const insetStyle = { paddingTop: props.unsafe ? 0 : insets.top }
+
+  return (
+    <KeyboardAvoidingView
+      style={[preset.outer, backgroundStyle]}
+      behavior={isIos ? 'padding' : undefined}
+      keyboardVerticalOffset={offsets[props.keyboardOffset || 'none']}
+    >
+      <StatusBar barStyle={props.statusBar || 'light-content'} />
+      <View style={[preset.inner, style, insetStyle]}>{props.children}</View>
+    </KeyboardAvoidingView>
+  )
+}
+
+function ScreenWithScrolling(props: ScreenProps) {
+  const insets = useSafeAreaInsets()
+  const preset = presets.scroll
+  const style = props.style || {}
+  const backgroundStyle = props.backgroundColor ? { backgroundColor: props.backgroundColor } : {}
+  const insetStyle = { paddingTop: props.unsafe ? 0 : insets.top }
+
+  return (
+    <KeyboardAvoidingView
+      style={[preset.outer, backgroundStyle]}
+      behavior={isIos ? 'padding' : undefined}
+      keyboardVerticalOffset={offsets[props.keyboardOffset || 'none']}
+    >
+      <StatusBar barStyle={props.statusBar || 'light-content'} />
+      <View style={[preset.outer, backgroundStyle, insetStyle]}>
+        <ScrollView
+          style={[preset.outer, backgroundStyle]}
+          contentContainerStyle={[preset.inner, style]}
+          keyboardShouldPersistTaps={props.keyboardShouldPersistTaps || 'handled'}
+        >
+          {props.children}
+        </ScrollView>
+      </View>
+    </KeyboardAvoidingView>
+  )
+}
+
+/**
+ * The starting component on every screen in the app.
+ *
+ * @param props The screen props
+ */
+export function Screen(props: ScreenProps) {
+  if (isNonScrolling(props.preset)) {
+    return <ScreenWithoutScrolling {...props} />
+  } else {
+    return <ScreenWithScrolling {...props} />
+  }
+}
-- 
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