1 files changed, 18 insertions, 0 deletions
diff --git a/packages/meshbay-android/app/src/main/assets/bridge/meshbay-bridge.js b/packages/meshbay-android/app/src/main/assets/bridge/meshbay-bridge.js
index 7ace33b..b71b5e8 100644
--- a/packages/meshbay-android/app/src/main/assets/bridge/meshbay-bridge.js
+++ b/packages/meshbay-android/app/src/main/assets/bridge/meshbay-bridge.js
@@ -50,6 +50,10 @@
   // per 48 KB chunk). Without ArrayBuffer messages, base64 over JSON.
   const SAVE_WRITE = 1;
   const CAST_PUSH = 2;
+  const CAST_FILE = 3;
+  // A file crosses in pieces this size: big enough to be few, small enough
+  // that no one message is a burden to the WebView or the bridge.
+  const FILE_PIECE = 1024 * 1024;
   const bytesOf = (chunk) => (chunk instanceof Uint8Array ? chunk
     : ArrayBuffer.isView(chunk) ? new Uint8Array(chunk.buffer, chunk.byteOffset, chunk.byteLength)
       : new Uint8Array(chunk));
@@ -151,6 +155,19 @@
       push: (data) => pushSegment(data),
       stop: () => call('cast:stop'),
       subtitle: (sub) => call('cast:subtitle', sub),
+      // A whole file — a photo, a track — in pieces: one message the size of a
+      // lossless track would be the WebView's to refuse.
+      file: async (f) => {
+        const bytes = bytesOf(f.bytes);
+        const cover = f.cover ? { bytes: base64Of(bytesOf(f.cover.bytes)), type: f.cover.type } : null;
+        await call('cast:file:begin', { type: f.type, size: bytes.length, cover,
+                                        title: f.title, artist: f.artist, album: f.album });
+        for (let at = 0; at < bytes.length; at += FILE_PIECE) {
+          const piece = bytes.subarray(at, at + FILE_PIECE);
+          await (BINARY ? sendBinary(CAST_FILE, 0, piece) : call('cast:file:write', base64Of(piece)));
+        }
+        return call('cast:file:end');
+      },
       finish: () => call('cast:finish'),
       status: () => call('cast:status'),
       scan: () => call('cast:scan'),
@@ -160,6 +177,7 @@
       chromecastDisconnect: () => call('cast:chromecast:disconnect'),
       chromecastPause: () => call('cast:chromecast:pause'),
       chromecastPlay: () => call('cast:chromecast:play'),
+      chromecastSeek: (seconds) => call('cast:chromecast:seek', seconds),
     } } : {}),
 
     // Music is playing: keep the process, the Wi-Fi and the page awake with