src/material/BottomSheet.module.css

@@ -1,5 +1,7 @@
 .bottomSheet {
-  composes: surface from "material.module.css";
+  composes: surface from "./material.module.css";
+  composes: cardGutSkip from "./cards.module.css";
+  composes: cardNoPad from "./cards.module.css";
   border: none;
   position: absolute;
   left: 50%;
@@ -47,4 +49,10 @@
       opacity: 0;
     }
   }
+
+  &.bottom {
+    top: unset;
+    transform: translateX(-50%);
+    bottom: 0;
+  }
 }

src/material/BottomSheet.tsx

@@ -13,9 +13,12 @@ import {
 } from "solid-js";
 import styles from "./BottomSheet.module.css";
 import { useHeroSignal } from "../platform/anim";
+import { makeEventListener } from "@solid-primitives/event-listener";
 
 export type BottomSheetProps = {
   open?: boolean;
+  bottomUp?: boolean;
+  onClose?(reason: "backdrop"): void;
 };
 
 export const HERO = Symbol("BottomSheet Hero Symbol");
@@ -123,8 +126,28 @@ const BottomSheet: ParentComponent<BottomSheetProps> = (props) => {
     }
   });
 
+  onMount(() => {
+    makeEventListener(element, "click", (event) => {
+      const rect = element.getBoundingClientRect();
+      const isInDialog =
+        rect.top <= event.clientY &&
+        event.clientY <= rect.top + rect.height &&
+        rect.left <= event.clientX &&
+        event.clientX <= rect.left + rect.width;
+      if (!isInDialog) {
+        props.onClose?.("backdrop");
+      }
+    });
+  });
+
   return (
-    <dialog class={styles.bottomSheet} ref={element!}>
+    <dialog
+      classList={{
+        [styles.bottomSheet]: true,
+        [styles.bottom]: props.bottomUp,
+      }}
+      ref={element!}
+    >
       {ochildren() ?? cache()}
     </dialog>
   );

src/material/Scaffold.tsx

@@ -12,6 +12,7 @@ import { css } from "solid-styled";
 interface ScaffoldProps {
   topbar?: JSX.Element;
   fab?: JSX.Element;
+  bottom?: JSX.Element;
 }
 
 const Scaffold: ParentComponent<ScaffoldProps> = (props) => {
@@ -36,6 +37,16 @@ const Scaffold: ParentComponent<ScaffoldProps> = (props) => {
       right: 40px;
       z-index: var(--tutu-zidx-nav, auto);
     }
+
+    .bottom-dock {
+      position: sticky;
+      bottom: 0;
+      left: 0;
+      right: 0;
+      z-index: var(--tutu-zidx-nav, auto);
+      padding-bottom: var(--safe-area-inset-bottom, 0);
+
+    }
   `;
   return (
     <>
@@ -48,6 +59,9 @@ const Scaffold: ParentComponent<ScaffoldProps> = (props) => {
         <div class="fab-dock">{props.fab}</div>
       </Show>
       <div class="scaffold-content">{props.children}</div>
+      <Show when={props.bottom}>
+        <div class="bottom-dock">{props.bottom}</div>
+      </Show>
     </>
   );
 };

src/timelines/ReplyEditor.tsx

@@ -0,0 +1,236 @@
+import {
+  createSignal,
+  createUniqueId,
+  onMount,
+  type Component,
+  type Setter,
+} from "solid-js";
+import Scaffold from "../material/Scaffold";
+import {
+  Avatar,
+  Button,
+  IconButton,
+  List,
+  ListItemButton,
+  ListItemIcon,
+  ListItemSecondaryAction,
+  ListItemText,
+  Radio,
+  Switch,
+  Divider,
+} from "@suid/material";
+import {
+  ArrowDropDown,
+  Public as PublicIcon,
+  Send,
+  People as PeopleIcon,
+  ThreeP as ThreePIcon,
+  ListAlt as ListAltIcon,
+} from "@suid/icons-material";
+import type { Account } from "../accounts/stores";
+import tootComposers from "./TootComposer.module.css";
+import { makeEventListener } from "@solid-primitives/event-listener";
+import BottomSheet from "../material/BottomSheet";
+
+type TootVisibility = "public" | "unlisted" | "private" | "direct";
+
+const TootVisibilityPickerDialog: Component<{
+  open?: boolean;
+  onClose: () => void;
+  visibility: TootVisibility;
+  onVisibilityChange: (value: TootVisibility) => void;
+}> = (props) => {
+  type Kind = "public" | "private" | "direct";
+
+  const kind = () =>
+    props.visibility === "public" || props.visibility === "unlisted"
+      ? "public"
+      : props.visibility;
+
+  const setKind = (nv: Kind) => {
+    if (nv == "public") {
+      props.onVisibilityChange(discoverable() ? "public" : "unlisted");
+    } else {
+      props.onVisibilityChange(nv);
+    }
+  };
+
+  const discoverable = () => {
+    return props.visibility === "public";
+  }
+
+  const setDiscoverable = (setter: (v: boolean) => boolean) => {
+    const nval = setter(discoverable())
+    props.onVisibilityChange(nval ? "public" : "unlisted"); // trigger change
+  };
+
+
+
+  return (
+    <BottomSheet open={props.open} onClose={props.onClose} bottomUp>
+      <Scaffold
+        bottom={
+          <div
+            style={{
+              "border-top": "1px solid #ddd",
+              background: "var(--tutu-color-surface)",
+              padding: "8px 16px",
+              width: "100%",
+              "text-align": "end",
+            }}
+          >
+            <Button onClick={props.onClose}>Confirm</Button>
+          </div>
+        }
+      >
+        <List>
+          <ListItemButton onClick={[setKind, "public"]}>
+            <ListItemIcon>
+              <PublicIcon />
+            </ListItemIcon>
+            <ListItemText
+              primary="Public"
+              secondary="Everyone can see this toot"
+            ></ListItemText>
+            <ListItemSecondaryAction>
+              <Radio checked={kind() == "public"}></Radio>
+            </ListItemSecondaryAction>
+          </ListItemButton>
+
+          <ListItemButton
+            sx={{ paddingLeft: "40px" }}
+            disabled={kind() !== "public"}
+            onClick={() => setDiscoverable((x) => !x)}
+          >
+            <ListItemIcon>
+              <ListAltIcon />
+            </ListItemIcon>
+            <ListItemText
+              primary="Discoverable"
+              secondary="The others can discover it on the exploration."
+            ></ListItemText>
+            <ListItemSecondaryAction>
+              <Switch
+                checked={discoverable()}
+                disabled={kind() !== "public"}
+              ></Switch>
+            </ListItemSecondaryAction>
+          </ListItemButton>
+
+          <Divider />
+
+          <ListItemButton onClick={[setKind, "private"]}>
+            <ListItemIcon>
+              <PeopleIcon />
+            </ListItemIcon>
+            <ListItemText
+              primary="Only Followers"
+              secondary="Visibile for followers only"
+            ></ListItemText>
+            <ListItemSecondaryAction>
+              <Radio checked={kind() == "private"}></Radio>
+            </ListItemSecondaryAction>
+          </ListItemButton>
+
+          <Divider />
+
+          <ListItemButton onClick={[setKind, "direct"]}>
+            <ListItemIcon>
+              <ThreePIcon />
+            </ListItemIcon>
+            <ListItemText
+              primary="Only Mentions"
+              secondary="Visible for mentioned users only"
+            ></ListItemText>
+            <ListItemSecondaryAction>
+              <Radio checked={kind() == "direct"}></Radio>
+            </ListItemSecondaryAction>
+          </ListItemButton>
+        </List>
+      </Scaffold>
+    </BottomSheet>
+  );
+};
+
+const ReplyEditor: Component<{
+  profile: Account;
+  replyToDisplayName: string;
+}> = (props) => {
+  let inputRef: HTMLTextAreaElement;
+  const buttonId = createUniqueId();
+  const menuId = createUniqueId();
+
+  const [typing, setTyping] = createSignal(false);
+  const [visibility, setVisibility] = createSignal<TootVisibility>("public");
+  const [permPicker, setPermPicker] = createSignal(false);
+
+  onMount(() => {
+    makeEventListener(inputRef, "focus", () => setTyping(true));
+    makeEventListener(inputRef, "blur", () => setTyping(false));
+  });
+
+  const containerStyle = () =>
+    typing()
+      ? {
+          position: "sticky" as const,
+          top: "var(--scaffold-topbar-height, 0)",
+          bottom: "var(--safe-area-inset-bottom, 0)",
+          "z-index": 1,
+        }
+      : undefined;
+
+  const visibilityText = () => {
+    switch (visibility()) {
+      case "public":
+        return "Discoverable";
+      case "unlisted":
+        return "Public";
+      case "private":
+        return "Only Followers";
+      case "direct":
+        return "Only Mentions";
+    }
+  };
+
+  return (
+    <div
+      class={tootComposers.composer}
+      style={containerStyle()}
+      onClick={() => setTyping(true)}
+    >
+      <div class={tootComposers.replyInput}>
+        <Avatar src={props.profile.inf?.avatar} />
+        <textarea
+          ref={inputRef!}
+          placeholder={`Reply to ${props.replyToDisplayName}...`}
+          style={{ width: "100%", border: "none" }}
+        ></textarea>
+        <IconButton>
+          <Send />
+        </IconButton>
+      </div>
+
+      <div
+        style={{
+          display: "flex",
+          "justify-content": "flex-end",
+          "margin-top": "8px",
+        }}
+      >
+        <Button onClick={[setPermPicker, true]} id={buttonId}>
+          {visibilityText()}
+          <ArrowDropDown />
+        </Button>
+      </div>
+
+      <TootVisibilityPickerDialog
+        open={permPicker()}
+        onClose={() => setPermPicker(false)}
+        visibility={visibility()}
+        onVisibilityChange={setVisibility}
+      />
+    </div>
+  );
+};
+
+export default ReplyEditor;

src/timelines/TootBottomSheet.tsx

@@ -8,12 +8,16 @@ import {
   type Component,
 } from "solid-js";
 import Scaffold from "../material/Scaffold";
-import { AppBar, Avatar, CircularProgress, IconButton, Toolbar } from "@suid/material";
+import {
+  AppBar,
+  CircularProgress,
+  IconButton,
+  Toolbar,
+} from "@suid/material";
 import { Title } from "../material/typography";
 import {
   ArrowBack as BackIcon,
   Close as CloseIcon,
-  Send,
 } from "@suid/icons-material";
 import { createUnauthorizedClient, useSessions } from "../masto/clients";
 import { resolveCustomEmoji } from "../masto/toot";
@@ -22,6 +26,8 @@ import type { mastodon } from "masto";
 import cards from "../material/cards.module.css";
 import { css } from "solid-styled";
 import { vibrate } from "../platform/hardware";
+import { createTimeSource, TimeSourceProvider } from "../platform/timesrc";
+import ReplyEditor from "./ReplyEditor";
 
 let cachedEntry: [string, mastodon.v1.Status] | undefined;
 
@@ -35,11 +41,14 @@ function getCache(acct: string, id: string) {
   }
 }
 
+
+
 const TootBottomSheet: Component = (props) => {
   const params = useParams<{ acct: string; id: string }>();
   const location = useLocation<{ tootBottomSheetPushedCount?: number }>();
   const navigate = useNavigate();
   const allSession = useSessions();
+  const time = createTimeSource();
   const acctText = () => decodeURIComponent(params.acct);
   const session = () => {
     const [inputUsername, inputSite] = acctText().split("@", 2);
@@ -164,12 +173,6 @@ const TootBottomSheet: Component = (props) => {
   };
 
   css`
-    .bottom-dock {
-      position: sticky;
-      bottom: 0;
-      z-index: var(--tutu-zidx-nav);
-    }
-
     .name :global(img) {
       max-height: 1em;
     }
@@ -203,6 +206,7 @@ const TootBottomSheet: Component = (props) => {
         </AppBar>
       }
     >
+      <TimeSourceProvider value={time}>
         <For each={ancestors()}>
           {(item) => (
             <RegularToot
@@ -221,7 +225,8 @@ const TootBottomSheet: Component = (props) => {
               id={`toot-${toot()!.id}`}
               class={cards.card}
               style={{
-              "scroll-margin-top": "calc(var(--scaffold-topbar-height) + 20px)",
+                "scroll-margin-top":
+                  "calc(var(--scaffold-topbar-height) + 20px)",
               }}
               status={toot()!}
               actionable={!!actSession()}
@@ -233,6 +238,13 @@ const TootBottomSheet: Component = (props) => {
           </Show>
         </article>
 
+        <Show when={profile()}>
+          <ReplyEditor
+            profile={profile()!}
+            replyToDisplayName={toot()?.account?.displayName || ""}
+          />
+        </Show>
+
         <Show when={tootContext.loading}>
           <div
             style={{
@@ -256,21 +268,7 @@ const TootBottomSheet: Component = (props) => {
             ></RegularToot>
           )}
         </For>
-
-      <div class="bottom-dock">
-        <Show when={profile()}>
-          <div style="display: flex; gap: 8px; background: var(--tutu-color-surface); padding: 8px 8px calc(var(--safe-area-inset-bottom, 0px) + 8px);">
-            <Avatar src={profile()!.inf?.avatar} />
-            <textarea
-              placeholder={`Reply to ${toot()?.account?.displayName ?? ""}...`}
-              style={{ width: "100%", border: "none" }}
-            ></textarea>
-            <IconButton>
-              <Send />
-            </IconButton>
-          </div>
-        </Show>
-      </div>
+      </TimeSourceProvider>
     </Scaffold>
   );
 };

src/timelines/TootComposer.module.css

@@ -0,0 +1,11 @@
+
+.composer {
+  composes: card from "../material/cards.module.css";
+  --card-gut: 8px;
+}
+
+.replyInput {
+  display: flex;
+  align-items: flex-start;
+  gap: 8px;
+}