Implement basic web composer

src/view/shell/web/Composer.tsx

@@ -0,0 +1,65 @@
+import React from 'react'
+import {observer} from 'mobx-react-lite'
+import {StyleSheet, View} from 'react-native'
+import {ComposePost} from '../../com/composer/ComposePost'
+import {ComposerOpts} from '../../../state/models/shell-ui'
+import {usePalette} from '../../lib/hooks/usePalette'
+
+export const Composer = observer(
+  ({
+    active,
+    replyTo,
+    imagesOpen,
+    onPost,
+    onClose,
+  }: {
+    active: boolean
+    winHeight: number
+    replyTo?: ComposerOpts['replyTo']
+    imagesOpen?: ComposerOpts['imagesOpen']
+    onPost?: ComposerOpts['onPost']
+    onClose: () => void
+  }) => {
+    const pal = usePalette('default')
+
+    // rendering
+    // =
+
+    if (!active) {
+      return <View />
+    }
+
+    return (
+      <View style={styles.mask}>
+        <View style={[styles.container, pal.view]}>
+          <ComposePost
+            replyTo={replyTo}
+            imagesOpen={imagesOpen}
+            onPost={onPost}
+            onClose={onClose}
+          />
+        </View>
+      </View>
+    )
+  },
+)
+
+const styles = StyleSheet.create({
+  mask: {
+    position: 'absolute',
+    top: 0,
+    left: 0,
+    width: '100%',
+    height: '100%',
+    backgroundColor: '#000c',
+    alignItems: 'center',
+    justifyContent: 'center',
+  },
+  container: {
+    maxWidth: 600,
+    width: '100%',
+    paddingVertical: 0,
+    paddingHorizontal: 2,
+    borderRadius: 8,
+  },
+})