1 files changed, 29 insertions, 0 deletions
diff --git a/dom/media/nsIDocumentActivity.h b/dom/media/nsIDocumentActivity.h
new file mode 100644
index 000000000..4fab6af2d
--- /dev/null
+++ b/dom/media/nsIDocumentActivity.h
@@ -0,0 +1,29 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsIDocumentActivity_h__
+#define nsIDocumentActivity_h__
+
+#include "nsISupports.h"
+
+#define NS_IDOCUMENTACTIVITY_IID \
+{ 0x9b9f584e, 0xefa8, 0x11e3, \
+  { 0xbb, 0x74, 0x5e, 0xdd, 0x1d, 0x5d, 0x46, 0xb0 } }
+
+class nsIDocumentActivity : public nsISupports
+{
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(NS_IDOCUMENTACTIVITY_IID)
+
+  virtual void NotifyOwnerDocumentActivityChanged() = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(nsIDocumentActivity, NS_IDOCUMENTACTIVITY_IID)
+
+/* Use this macro when declaring classes that implement this interface. */
+#define NS_DECL_NSIDOCUMENTACTIVITY \
+  virtual void NotifyOwnerDocumentActivityChanged() override;
+
+#endif /* nsIDocumentActivity_h__ */