1 files changed, 43 insertions, 0 deletions
diff --git a/netwerk/base/nsStreamListenerWrapper.h b/netwerk/base/nsStreamListenerWrapper.h
new file mode 100644
index 0000000000..9871adf71c
--- /dev/null
+++ b/netwerk/base/nsStreamListenerWrapper.h
@@ -0,0 +1,43 @@
+/* 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/. */
+
+#ifndef nsStreamListenerWrapper_h__
+#define nsStreamListenerWrapper_h__
+
+#include "nsCOMPtr.h"
+#include "nsIStreamListener.h"
+#include "nsIThreadRetargetableStreamListener.h"
+#include "nsIMultiPartChannel.h"
+#include "mozilla/Attributes.h"
+
+namespace mozilla {
+namespace net {
+
+// Wrapper class to make replacement of nsHttpChannel's listener
+// from JavaScript possible. It is workaround for bug 433711 and 682305.
+class nsStreamListenerWrapper final
+    : public nsIStreamListener,
+      public nsIMultiPartChannelListener,
+      public nsIThreadRetargetableStreamListener {
+ public:
+  explicit nsStreamListenerWrapper(nsIStreamListener* listener)
+      : mListener(listener) {
+    MOZ_ASSERT(mListener, "no stream listener specified");
+  }
+
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_FORWARD_SAFE_NSIREQUESTOBSERVER(mListener)
+  NS_FORWARD_SAFE_NSISTREAMLISTENER(mListener)
+  NS_DECL_NSIMULTIPARTCHANNELLISTENER
+  NS_DECL_NSITHREADRETARGETABLESTREAMLISTENER
+
+ private:
+  ~nsStreamListenerWrapper() = default;
+  nsCOMPtr<nsIStreamListener> mListener;
+};
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif  // nsStreamListenerWrapper_h__