1 files changed, 12 insertions, 10 deletions

diff --git a/packages/meshbay-hub/src/meshbay_hub/static/transfers.js b/packages/meshbay-hub/src/meshbay_hub/static/transfers.js
index 9a1455a..7036c4f 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/transfers.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/transfers.js
@@ -29,13 +29,6 @@ function _live(status) {
     || status === 'paused';
 }
 
-/** Raised by `run` when it stopped because the transfer was paused. */
-function _pausedError() {
-  const err = new Error('Paused');
-  err.name = 'PausedError';
-  return err;
-}
-
 function _abortError() {
   const err = new Error('Cancelled');
   err.name = 'AbortError';
@@ -80,14 +73,16 @@ export class TransferStore {
       queuedByOwnLimit: Boolean(
         it.lease && it.lease.cap && it.lease.used >= it.lease.cap),
       error: it.error || '',
+      note: it.note || '',
       speed: this._speed(it),
       // The ETA is drawn only once the window holds a few seconds of real
       // measurement -- see etaSeconds.
       settled: it.samples.length > 2
         && (it.samples[it.samples.length - 1].t - it.samples[0].t) >= 3000,
       percent: it.total ? Math.min(100, Math.round(it.done / it.total * 100)) : 0,
-      // Only for a file written into a folder the browser granted us: that is
-      // the one case where the page can read its own download back.
+      // Where the finished file can be read back — a granted folder, the
+      // in-memory floor, the app's own save — and only for a type that is
+      // safe to open (downloads.openInTab).
       canOpen: it.status === 'done' && typeof it.open === 'function',
       // Whether the target can be stopped and continued. False is the honest
       // answer for a service-worker stream, and the button is not drawn.
@@ -141,10 +136,14 @@ export class TransferStore {
    * there is somewhere to write — see file-utils.js's downloadEntry.
    */
   start({ kind, name, total = 0, transport = null, run, open = null,
-          lease = null, prepare = null, makeLease = null, pausable = false }) {
+          lease = null, prepare = null, makeLease = null, pausable = false,
+          note = '' }) {
     const item = {
       id: _nextId++,
       kind, name, total, transport, open, lease,
+      // One line said under the name for the life of the row — that a name was
+      // changed to be written here, for instance.
+      note,
       done: 0,
       // A transfer that has to wait for a slot starts as 'queued', not
       // 'running'. Two different things are true of it — nothing is moving, and
@@ -227,6 +226,9 @@ export class TransferStore {
           // the button is offered where it works and nowhere else — a pause
           // that silently restarts from zero is worse than no pause.
           if (ready && ready.pausable) item.pausable = true;
+          // Likewise whether "Open" can do anything: a page opens in a tab
+          // only a type that runs nothing (downloads.openInTab).
+          if (ready && ready.openable === false) item.open = null;
           item.status = 'running';
           this._emit();
         }