1 files changed, 13 insertions, 4 deletions
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/photo-sync.js b/packages/meshbay-hub/src/meshbay_hub/static/photo-sync.js
index a9d4517..9a45cf8 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/photo-sync.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/photo-sync.js
@@ -25,6 +25,8 @@ const RETRY_MS = 15 * 60 * 1000;
 // A slot the node keeps queued this long means it is busy with others; the
 // backup can wait for tomorrow's run, they cannot.
 const LEASE_WAIT_MS = 10 * 60 * 1000;
+// The notification's progress line is updated at most this often.
+const NOTIFY_MS = 1000;
 
 // Refusals that will hold at the next run too. Said once (a notification, from
 // the phone) and retried a day later, never at every opening.
@@ -216,11 +218,18 @@ export function createBackup({
     for (const r of index.roots || []) dirs.add(r.name);
 
     let done = 0;
-    const report = () => {
+    // The page follows every file; the notification at most once a second,
+    // which is all Android shows anyway: files already on the node go by
+    // faster than that, and a burst of updates is dropped by the system.
+    let reported = 0;
+    const report = async () => {
       setState({ phase: 'sending', done, total: items.length });
-      return t(progress, { done, total: items.length });
+      const now = Date.now();
+      if (done && done < items.length && now - reported < NOTIFY_MS) return;
+      reported = now;
+      await sync.keepAlive(true, t(progress, { done, total: items.length }));
     };
-    await sync.keepAlive(true, report());
+    await report();
 
     for (const item of items) {
       // Off Wi-Fi mid-run: stop after the file in flight. The node keeps the
@@ -244,7 +253,7 @@ export function createBackup({
         }
       }
       done += 1;
-      await sync.keepAlive(true, report());
+      await report();
     }
     if (!await sendManifest(transport, dest, dirs)) return;
     await sync.completed();