1 files changed, 42 insertions, 20 deletions
diff --git a/packages/meshbay-hub/src/meshbay_hub/static/platform.js b/packages/meshbay-hub/src/meshbay_hub/static/platform.js
index 8effc21..04e26e6 100644
--- a/packages/meshbay-hub/src/meshbay_hub/static/platform.js
+++ b/packages/meshbay-hub/src/meshbay_hub/static/platform.js
@@ -247,26 +247,48 @@ 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); },
-  /**
-   * 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}-${end - 1}` } });
-        if (r.status !== 206) throw new Error('This photo is no longer on the phone');
-        return r.arrayBuffer();
-      },
-    });
-    return {
-      name, size,
-      slice: (a = 0, b = size) => part(Math.max(0, a), Math.min(b, size)),
-    };
-  },
+  file: (token, name, size) => rangedFile('/photosync/', token, name, size),
+};
+
+/**
+ * A file the phone issued under `token`, as what an upload reads (`name`,
+ * `size`, `slice(a, b).arrayBuffer()`): each slice is fetched from the phone
+ * when it is read, so a video of gigabytes is never whole in this page.
+ */
+function rangedFile(prefix, token, name, size) {
+  const url = `${prefix}${encodeURIComponent(token)}`;
+  const part = (start, end) => ({
+    async arrayBuffer() {
+      if (end <= start) return new ArrayBuffer(0);
+      const r = await fetch(url, { cache: 'no-store', headers: { Range: `bytes=${start}-${end - 1}` } });
+      if (r.status !== 206) throw new Error('This file 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)),
+  };
+}
+
+/**
+ * Backing up folders the person chose through the system's picker
+ * (docs/MESHBAY_DESIGN.md §9.13), to the destination every kind shares.
+ * Android only, like `photoSync`. See drive-sync.js.
+ */
+const driveBridge = bridge && bridge.driveSync;
+export const driveSync = {
+  available: Boolean(driveBridge),
+  status() { return driveBridge.status(); },
+  addFolder() { return driveBridge.addFolder(); },
+  removeFolder(id) { return driveBridge.removeFolder(id); },
+  configure(settings) { return driveBridge.configure(settings); },
+  plan() { return driveBridge.plan(); },
+  sent(token, dir, name) { return driveBridge.sent(token, dir, name); },
+  completed() { return driveBridge.completed(); },
+  failed(code, text) { return driveBridge.failed(code, text); },
+  keepAlive(on, text) { return driveBridge.keepAlive(on, text); },
+  file: (token, name, size) => rangedFile('/drivesync/', token, name, size),
 };
 
 /**