From 09b3374e18bbba85cd4c80ff7edd718882ccadf2 Mon Sep 17 00:00:00 2001
From: plyght <plyght@peril.lol>
Date: Sun, 22 Jun 2025 12:23:20 -0700
Subject: [PATCH] init title gen animation

---
 .../editor-area/note-header/index.tsx         | 18 +++++---
 .../editor-area/note-header/title-input.tsx   | 15 ++++--
 .../editor-area/note-header/title-shimmer.tsx | 46 +++++++++++++++++++
 apps/desktop/src/hooks/enhance-pending.ts     | 14 ++++++
 apps/desktop/src/locales/en/messages.po       |  6 ++-
 apps/desktop/src/locales/ko/messages.po       |  6 ++-
 apps/docs/data/i18n.json                      |  6 +--
 7 files changed, 97 insertions(+), 14 deletions(-)
 create mode 100644 apps/desktop/src/components/editor-area/note-header/title-shimmer.tsx

diff --git a/apps/desktop/src/components/editor-area/note-header/index.tsx b/apps/desktop/src/components/editor-area/note-header/index.tsx
index 2c89724fb..eb71ba061 100644
--- a/apps/desktop/src/components/editor-area/note-header/index.tsx
+++ b/apps/desktop/src/components/editor-area/note-header/index.tsx
@@ -3,9 +3,11 @@ import { type ChangeEvent } from "react";
 
 import { getCurrentWebviewWindowLabel } from "@hypr/plugin-windows";
 import { useSession } from "@hypr/utils/contexts";
+import { useTitleGenerationPendingState } from "../../../hooks/enhance-pending";
 import Chips from "./chips";
 import ListenButton from "./listen-button";
 import TitleInput from "./title-input";
+import TitleShimmer from "./title-shimmer";
 
 interface NoteHeaderProps {
   onNavigateToEditor?: () => void;
@@ -19,6 +21,7 @@ export function NoteHeader(
 ) {
   const updateTitle = useSession(sessionId, (s) => s.updateTitle);
   const sessionTitle = useSession(sessionId, (s) => s.session.title);
+  const isTitleGenerating = useTitleGenerationPendingState(sessionId);
 
   const handleTitleChange = (e: ChangeEvent<HTMLInputElement>) => {
     updateTitle(e.target.value);
@@ -31,12 +34,15 @@ export function NoteHeader(
   return (
     <div className="flex items-center w-full pl-8 pr-6 pb-4 gap-4">
       <div className="flex-1 space-y-1">
-        <TitleInput
-          editable={editable}
-          value={sessionTitle}
-          onChange={handleTitleChange}
-          onNavigateToEditor={onNavigateToEditor}
-        />
+        <TitleShimmer isShimmering={isTitleGenerating}>
+          <TitleInput
+            editable={editable}
+            value={sessionTitle}
+            onChange={handleTitleChange}
+            onNavigateToEditor={onNavigateToEditor}
+            isGenerating={isTitleGenerating}
+          />
+        </TitleShimmer>
         <Chips sessionId={sessionId} hashtags={hashtags} />
       </div>
 
diff --git a/apps/desktop/src/components/editor-area/note-header/title-input.tsx b/apps/desktop/src/components/editor-area/note-header/title-input.tsx
index a7bfca536..8188bd829 100644
--- a/apps/desktop/src/components/editor-area/note-header/title-input.tsx
+++ b/apps/desktop/src/components/editor-area/note-header/title-input.tsx
@@ -6,6 +6,7 @@ interface TitleInputProps {
   onChange: (e: ChangeEvent<HTMLInputElement>) => void;
   onNavigateToEditor?: () => void;
   editable?: boolean;
+  isGenerating?: boolean;
 }
 
 export default function TitleInput({
@@ -13,6 +14,7 @@ export default function TitleInput({
   onChange,
   onNavigateToEditor,
   editable,
+  isGenerating = false,
 }: TitleInputProps) {
   const { t } = useLingui();
 
@@ -23,15 +25,22 @@ export default function TitleInput({
     }
   };
 
+  const getPlaceholder = () => {
+    if (isGenerating) {
+      return t`Generating title...`;
+    }
+    return t`Untitled`;
+  };
+
   return (
     <input
-      disabled={!editable}
+      disabled={!editable || isGenerating}
       id="note-title-input"
       type="text"
       onChange={onChange}
       value={value}
-      placeholder={t`Untitled`}
-      className="w-full border-none bg-transparent text-2xl font-bold focus:outline-none placeholder:text-neutral-400"
+      placeholder={getPlaceholder()}
+      className="w-full border-none bg-transparent text-2xl font-bold focus:outline-none placeholder:text-neutral-400 transition-opacity duration-200"
       onKeyDown={handleKeyDown}
     />
   );
diff --git a/apps/desktop/src/components/editor-area/note-header/title-shimmer.tsx b/apps/desktop/src/components/editor-area/note-header/title-shimmer.tsx
new file mode 100644
index 000000000..20d52c3f4
--- /dev/null
+++ b/apps/desktop/src/components/editor-area/note-header/title-shimmer.tsx
@@ -0,0 +1,46 @@
+import { cn } from "@hypr/ui/lib/utils";
+import { motion } from "motion/react";
+import { useEffect, useState } from "react";
+
+interface TitleShimmerProps {
+  children: React.ReactNode;
+  className?: string;
+  isShimmering?: boolean;
+}
+
+export default function TitleShimmer({ children, className, isShimmering = false }: TitleShimmerProps) {
+  const [key, setKey] = useState(0);
+
+  useEffect(() => {
+    const handleResize = () => setKey(prev => prev + 1);
+    window.addEventListener("resize", handleResize);
+    return () => window.removeEventListener("resize", handleResize);
+  }, []);
+
+  if (!isShimmering) {
+    return <div className={cn("relative w-full", className)}>{children}</div>;
+  }
+
+  return (
+    <div key={key} className={cn("relative w-full overflow-hidden", className)}>
+      <motion.div
+        className="absolute inset-0 z-10 pointer-events-none"
+        initial={{ x: "-100%" }}
+        animate={{ x: "100%" }}
+        transition={{
+          repeat: Infinity,
+          duration: 1.2,
+          ease: "easeInOut",
+          repeatDelay: 0.5,
+        }}
+        style={{
+          background: "linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.6) 50%, transparent 100%)",
+          width: "50%",
+        }}
+      />
+      <div className="relative opacity-60 animate-pulse">
+        {children}
+      </div>
+    </div>
+  );
+}
diff --git a/apps/desktop/src/hooks/enhance-pending.ts b/apps/desktop/src/hooks/enhance-pending.ts
index 8acb1e7bd..6adf35dad 100644
--- a/apps/desktop/src/hooks/enhance-pending.ts
+++ b/apps/desktop/src/hooks/enhance-pending.ts
@@ -14,3 +14,17 @@ export function useEnhancePendingState(sessionId: string) {
 
   return isEnhancePending;
 }
+
+export function useTitleGenerationPendingState(sessionId: string) {
+  const titleStates = useMutationState({
+    filters: { mutationKey: ["generateTitle", sessionId], exact: true },
+    select: (mutation) => mutation.state.status,
+  });
+
+  const isTitleGenerationPending = useMemo(
+    () => titleStates.some((s) => s === "pending"),
+    [titleStates],
+  );
+
+  return isTitleGenerationPending;
+}
diff --git a/apps/desktop/src/locales/en/messages.po b/apps/desktop/src/locales/en/messages.po
index 092884c3e..660093fc7 100644
--- a/apps/desktop/src/locales/en/messages.po
+++ b/apps/desktop/src/locales/en/messages.po
@@ -620,6 +620,10 @@ msgstr "Full name"
 msgid "General"
 msgstr "General"
 
+#: src/components/editor-area/note-header/title-input.tsx:30
+msgid "Generating title..."
+msgstr "Generating title..."
+
 #: src/components/welcome-modal/welcome-view.tsx:36
 msgid "Get Started"
 msgstr "Get Started"
@@ -1076,7 +1080,7 @@ msgstr "Type to search..."
 msgid "Ugh! Can't use it!"
 msgstr "Ugh! Can't use it!"
 
-#: src/components/editor-area/note-header/title-input.tsx:33
+#: src/components/editor-area/note-header/title-input.tsx:32
 msgid "Untitled"
 msgstr "Untitled"
 
diff --git a/apps/desktop/src/locales/ko/messages.po b/apps/desktop/src/locales/ko/messages.po
index 7dec6ad2c..d24f3b420 100644
--- a/apps/desktop/src/locales/ko/messages.po
+++ b/apps/desktop/src/locales/ko/messages.po
@@ -620,6 +620,10 @@ msgstr ""
 msgid "General"
 msgstr ""
 
+#: src/components/editor-area/note-header/title-input.tsx:30
+msgid "Generating title..."
+msgstr ""
+
 #: src/components/welcome-modal/welcome-view.tsx:36
 msgid "Get Started"
 msgstr ""
@@ -1076,7 +1080,7 @@ msgstr ""
 msgid "Ugh! Can't use it!"
 msgstr ""
 
-#: src/components/editor-area/note-header/title-input.tsx:33
+#: src/components/editor-area/note-header/title-input.tsx:32
 msgid "Untitled"
 msgstr ""
 
diff --git a/apps/docs/data/i18n.json b/apps/docs/data/i18n.json
index e3bf13c71..69d61cd36 100644
--- a/apps/docs/data/i18n.json
+++ b/apps/docs/data/i18n.json
@@ -1,12 +1,12 @@
 [
   {
     "language": "ko",
-    "total": 267,
-    "missing": 267
+    "total": 268,
+    "missing": 268
   },
   {
     "language": "en (source)",
-    "total": 267,
+    "total": 268,
     "missing": 0
   }
 ]