1 files changed, 40 insertions, 0 deletions
diff --git a/dom/file/ipc/PTemporaryIPCBlob.ipdl b/dom/file/ipc/PTemporaryIPCBlob.ipdl
new file mode 100644
index 0000000000..2645d6fd50
--- /dev/null
+++ b/dom/file/ipc/PTemporaryIPCBlob.ipdl
@@ -0,0 +1,40 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+include protocol PBackground;
+
+include IPCBlob;
+
+namespace mozilla {
+namespace dom {
+
+union IPCBlobOrError
+{
+  IPCBlob;
+  nsresult;
+};
+
+[ManualDealloc]
+protocol PTemporaryIPCBlob
+{
+  manager PBackground;
+
+  // When this actor is created on the child side, the parent will send
+  // immediatelly back a FileDescriptor or a __delete__ in case of error.
+  // When the FileDescriptor is received, the child has to call
+  // OperationDone(). When OperationDone() is received on the parent side, the
+  // parent actor will send a __delete__.
+
+child:
+  async FileDesc(FileDescriptor aFD);
+  async __delete__(IPCBlobOrError aBlobOrError);
+
+parent:
+  async OperationFailed();
+
+  async OperationDone(nsCString aContentType, FileDescriptor aFD);
+};
+
+} // namespace dom
+} // namespace mozilla