1 files changed, 38 insertions, 0 deletions
diff --git a/dom/media/eme/mediafoundation/WMFCDMProxyCallback.h b/dom/media/eme/mediafoundation/WMFCDMProxyCallback.h
new file mode 100644
index 0000000000..6e76f63ccc
--- /dev/null
+++ b/dom/media/eme/mediafoundation/WMFCDMProxyCallback.h
@@ -0,0 +1,38 @@
+/* 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 DOM_MEDIA_EME_MEDIAFOUNDATION_WMFCDMPROXYCALLBACK_H_
+#define DOM_MEDIA_EME_MEDIAFOUNDATION_WMFCDMPROXYCALLBACK_H_
+
+#include "mozilla/PMFCDM.h"
+#include "nsThreadUtils.h"
+
+namespace mozilla {
+
+class WMFCDMProxy;
+
+// This class is used to notify CDM related events called from MFCDMChild, and
+// it will forward the relative calls to WMFCDMProxy on the main thread.
+class WMFCDMProxyCallback final {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(WMFCDMProxyCallback);
+
+  explicit WMFCDMProxyCallback(WMFCDMProxy* aProxy);
+
+  void OnSessionMessage(const MFCDMKeyMessage& aMessage);
+
+  void OnSessionKeyStatusesChange(const MFCDMKeyStatusChange& aKeyStatuses);
+
+  void OnSessionKeyExpiration(const MFCDMKeyExpiration& aExpiration);
+
+  void Shutdown();
+
+ private:
+  ~WMFCDMProxyCallback();
+  RefPtr<WMFCDMProxy> mProxy;
+};
+
+}  // namespace mozilla
+
+#endif  // DOM_MEDIA_EME_MEDIAFOUNDATION_WMFCDMPROXYCALLBACK_H_