set chat message overlay draggable

src/components/playground/PhoneSimulator.tsx

@@ -70,6 +70,11 @@ export function PhoneSimulator({
   const pushToTalkButtonRef = useRef<HTMLButtonElement>(null);
   const [showChatOverlay, setShowChatOverlay] = useState(false);
   const [chatOverlayPosition, setChatOverlayPosition] = useState({ x: 0, y: 0 }); // Will be positioned at top-right by ChatOverlay component
+  const [chatTogglePosition, setChatTogglePosition] = useState({ x: 0, y: 56 }); // Initial position aligned with visualizer
+  const [isDraggingChatToggle, setIsDraggingChatToggle] = useState(false);
+  const chatToggleRef = useRef<HTMLButtonElement>(null);
+  const chatToggleDragOffset = useRef({ x: 0, y: 0 });
+  const chatToggleHasDragged = useRef(false);
 
   useEffect(() => {
     const voiceAttr = config.settings.attributes?.find(a => a.key === "voice");
@@ -79,30 +84,45 @@ export function PhoneSimulator({
   }, [config.settings.attributes]);
 
   // Set talking_mode attribute when connected or when mode changes
+  const lastTalkingModeRef = useRef<string | null>(null);
+  const configAttributesRef = useRef(config.settings.attributes);
+  
+  // Update config attributes ref when it changes
+  useEffect(() => {
+    configAttributesRef.current = config.settings.attributes;
+  }, [config.settings.attributes]);
+  
   useEffect(() => {
     if (roomState === ConnectionState.Connected && localParticipant) {
       const talkingMode = isPushToTalkMode ? "push_to_talk" : "realtime";
+      
+      // Only update if the mode actually changed
+      if (lastTalkingModeRef.current === talkingMode) {
+        return;
+      }
+      lastTalkingModeRef.current = talkingMode;
+      
       try {
-        // Get current attributes to preserve them
-        const currentAttributes: Record<string, string> = {};
-        // Note: LiveKit's setAttributes replaces all attributes, so we need to merge
-        // with existing ones from config if any
-        const configAttributes = config.settings.attributes || [];
+        // Get current attributes from config to preserve them
+        const attributesToSet: Record<string, string> = {};
+        const configAttributes = configAttributesRef.current || [];
         configAttributes.forEach(attr => {
           if (attr.key && attr.value) {
-            currentAttributes[attr.key] = attr.value;
+            attributesToSet[attr.key] = attr.value;
           }
         });
-        // Set talking_mode along with other attributes
-        localParticipant.setAttributes({
-          ...currentAttributes,
-          talking_mode: talkingMode,
-        });
+        // Add talking_mode
+        attributesToSet.talking_mode = talkingMode;
+        
+        localParticipant.setAttributes(attributesToSet);
       } catch (error) {
         console.error("Failed to set talking_mode attribute:", error);
       }
+    } else if (roomState === ConnectionState.Disconnected) {
+      // Reset ref when disconnected
+      lastTalkingModeRef.current = null;
     }
-  }, [roomState, localParticipant, isPushToTalkMode, config.settings.attributes]);
+  }, [roomState, localParticipant, isPushToTalkMode]);
 
   const [currentTime, setCurrentTime] = useState("");
 
@@ -174,6 +194,100 @@ export function PhoneSimulator({
     };
   }, [isDragging]);
 
+  // Chat toggle button drag handlers
+  const handleChatToggleDragStart = (e: React.MouseEvent | React.TouchEvent) => {
+    e.preventDefault();
+    e.stopPropagation(); // Prevent triggering the button click
+    setIsDraggingChatToggle(true);
+    chatToggleHasDragged.current = false;
+    if (!phoneContainerRef.current || !chatToggleRef.current) return;
+    
+    const containerRect = phoneContainerRef.current.getBoundingClientRect();
+    const clientX = 'touches' in e ? e.touches[0].clientX : e.clientX;
+    const clientY = 'touches' in e ? e.touches[0].clientY : e.clientY;
+    
+    // Calculate offset relative to container
+    chatToggleDragOffset.current = {
+      x: clientX - containerRect.left - chatTogglePosition.x,
+      y: clientY - containerRect.top - chatTogglePosition.y,
+    };
+  };
+
+  const handleChatToggleDragMove = (e: MouseEvent | TouchEvent) => {
+    if (!isDraggingChatToggle || !phoneContainerRef.current || !chatToggleRef.current) return;
+
+    e.preventDefault();
+    chatToggleHasDragged.current = true; // Mark that we've actually dragged
+
+    const containerRect = phoneContainerRef.current.getBoundingClientRect();
+    const buttonRect = chatToggleRef.current.getBoundingClientRect();
+
+    const clientX = 'touches' in e ? e.touches[0].clientX : e.clientX;
+    const clientY = 'touches' in e ? e.touches[0].clientY : e.clientY;
+
+    // Calculate new position relative to container
+    let newX = clientX - containerRect.left - chatToggleDragOffset.current.x;
+    let newY = clientY - containerRect.top - chatToggleDragOffset.current.y;
+
+    // Constrain within container
+    const maxX = containerRect.width - buttonRect.width;
+    const maxY = containerRect.height - buttonRect.height;
+    // On mobile (width < 768px), status bar is hidden, so allow dragging to top (y=0)
+    // On desktop, keep status bar height constraint (48px)
+    const isMobile = typeof window !== 'undefined' && window.innerWidth < 768;
+    const minY = isMobile ? 0 : 48; // statusBarHeight = 48px
+
+    newX = Math.max(0, Math.min(newX, maxX));
+    newY = Math.max(minY, Math.min(newY, maxY));
+
+    setChatTogglePosition({
+      x: newX,
+      y: newY,
+    });
+  };
+
+  const handleChatToggleDragEnd = () => {
+    setIsDraggingChatToggle(false);
+    // Reset the flag after a short delay to allow onClick to check it
+    setTimeout(() => {
+      chatToggleHasDragged.current = false;
+    }, 100);
+  };
+
+  useEffect(() => {
+    if (isDraggingChatToggle) {
+      window.addEventListener("mouseup", handleChatToggleDragEnd);
+      window.addEventListener("mousemove", handleChatToggleDragMove);
+      window.addEventListener("touchend", handleChatToggleDragEnd);
+      window.addEventListener("touchmove", handleChatToggleDragMove, { passive: false });
+    }
+    return () => {
+      window.removeEventListener("mouseup", handleChatToggleDragEnd);
+      window.removeEventListener("mousemove", handleChatToggleDragMove);
+      window.removeEventListener("touchend", handleChatToggleDragEnd);
+      window.removeEventListener("touchmove", handleChatToggleDragMove);
+    };
+  }, [isDraggingChatToggle]);
+
+  // Initialize chat toggle button position when connected and container is available
+  useEffect(() => {
+    if (roomState === ConnectionState.Connected && phoneContainerRef.current) {
+      // Use a small delay to ensure the button is rendered
+      const timer = setTimeout(() => {
+        if (phoneContainerRef.current && chatToggleRef.current) {
+          const containerWidth = phoneContainerRef.current.offsetWidth;
+          const buttonWidth = chatToggleRef.current.offsetWidth || 44; // Approximate button width
+          // Position at rightmost border (flush with right edge)
+          setChatTogglePosition({
+            x: containerWidth - buttonWidth - 56,
+            y: 56,
+          });
+        }
+      }, 100);
+      return () => clearTimeout(timer);
+    }
+  }, [roomState]); // Initialize when connected
+
   useEffect(() => {
     if (showCameraMenu) {
       Room.getLocalDevices("videoinput").then(setCameras);
@@ -877,22 +991,30 @@ export function PhoneSimulator({
         </div>
       </div>
 
-      {/* Chat Toggle Button - Top Right, aligned with audio visualizer */}
+      {/* Chat Toggle Button - Top Right, aligned with audio visualizer (Draggable) */}
       {roomState === ConnectionState.Connected && 
        voiceAssistant.agent && 
        phoneMode !== "important_message" && 
        phoneMode !== "capture" && (
         <button
-          className={`absolute right-2 z-50 p-3 rounded-full backdrop-blur-md transition-colors shadow-lg ${
+          ref={chatToggleRef}
+          className={`absolute z-50 p-3 rounded-full backdrop-blur-md transition-colors shadow-lg cursor-move select-none touch-none ${
             showChatOverlay
               ? "bg-blue-500/80 text-white"
               : "bg-gray-800/70 text-white hover:bg-gray-800/90"
           }`}
-          onClick={() => setShowChatOverlay(!showChatOverlay)}
-          title={showChatOverlay ? "Hide chat" : "Show chat"}
+          onClick={(e) => {
+            // Only toggle if we didn't just drag
+            if (!chatToggleHasDragged.current) {
+              setShowChatOverlay(!showChatOverlay);
+            }
+          }}
+          onMouseDown={handleChatToggleDragStart}
+          onTouchStart={handleChatToggleDragStart}
+          title={showChatOverlay ? "Hide chat (drag to move)" : "Show chat (drag to move)"}
           style={{
-            top: '56px', // Align with audio visualizer initial position
-            right: '8px',
+            left: chatTogglePosition.x,
+            top: chatTogglePosition.y,
           }}
         >
           <ChatIcon className="w-5 h-5 md:w-6 md:h-6" />