1 files changed, 21 insertions, 7 deletions
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/platform.js b/packages/meshbay-hub/src/meshbay_hub/static/platform.js
index 2cfa673..8effc21 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/platform.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/platform.js
@@ -238,8 +238,8 @@ export const push = {
 export const photoSync = {
   available: Boolean(bridge && bridge.photoSync),
   status() { return bridge.photoSync.status(); },
-  permit() { return bridge.photoSync.permit(); },
-  albums() { return bridge.photoSync.albums(); },
+  permit(withVideos) { return bridge.photoSync.permit(withVideos); },
+  albums(withVideos) { return bridge.photoSync.albums(withVideos); },
   configure(settings) { return bridge.photoSync.configure(settings); },
   estimate(settings) { return bridge.photoSync.estimate(settings); },
   plan() { return bridge.photoSync.plan(); },
@@ -247,11 +247,25 @@ export const photoSync = {
   completed() { return bridge.photoSync.completed(); },
   failed(code, text) { return bridge.photoSync.failed(code, text); },
   keepAlive(on, text) { return bridge.photoSync.keepAlive(on, text); },
-  /** The bytes of a photo the last plan issued, as a File named for the node. */
-  async file(token, name) {
-    const r = await fetch(`/photosync/${encodeURIComponent(token)}`, { cache: 'no-store' });
-    if (!r.ok) throw new Error('This photo is no longer on the phone');
-    return new File([await r.blob()], name);
+  /**
+   * A photo or video the last plan issued, as what an upload reads (`name`,
+   * `size`, `slice(a, b).arrayBuffer()`): each slice is fetched from the phone
+   * when it is read, so a video of gigabytes is never whole in this page.
+   */
+  file(token, name, size) {
+    const url = `/photosync/${encodeURIComponent(token)}`;
+    const part = (start, end) => ({
+      async arrayBuffer() {
+        if (end <= start) return new ArrayBuffer(0);
+        const r = await fetch(url, { cache: 'no-store', headers: { Range: `bytes=${start}-${end - 1}` } });
+        if (r.status !== 206) throw new Error('This photo is no longer on the phone');
+        return r.arrayBuffer();
+      },
+    });
+    return {
+      name, size,
+      slice: (a = 0, b = size) => part(Math.max(0, a), Math.min(b, size)),
+    };
   },
 };