1 files changed, 56 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPTimerParent.h b/dom/media/gmp/GMPTimerParent.h
new file mode 100644
index 0000000000..dae1d9a1fb
--- /dev/null
+++ b/dom/media/gmp/GMPTimerParent.h
@@ -0,0 +1,56 @@
+/* -*- 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 GMPTimerParent_h_
+#define GMPTimerParent_h_
+
+#include "mozilla/gmp/PGMPTimerParent.h"
+#include "nsITimer.h"
+#include "nsCOMPtr.h"
+#include "nsTHashSet.h"
+#include "mozilla/Monitor.h"
+
+namespace mozilla::gmp {
+
+class GMPTimerParent : public PGMPTimerParent {
+  friend class PGMPTimerParent;
+
+ public:
+  NS_INLINE_DECL_REFCOUNTING(GMPTimerParent)
+  explicit GMPTimerParent(nsISerialEventTarget* aGMPEventTarget);
+
+  void Shutdown();
+
+ protected:
+  mozilla::ipc::IPCResult RecvSetTimer(const uint32_t& aTimerId,
+                                       const uint32_t& aTimeoutMs);
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+ private:
+  ~GMPTimerParent() = default;
+
+  static void GMPTimerExpired(nsITimer* aTimer, void* aClosure);
+
+  struct Context {
+    Context() : mId(0) { MOZ_COUNT_CTOR(Context); }
+    MOZ_COUNTED_DTOR(Context)
+    nsCOMPtr<nsITimer> mTimer;
+    RefPtr<GMPTimerParent>
+        mParent;  // Note: live timers keep the GMPTimerParent alive.
+    uint32_t mId;
+  };
+
+  void TimerExpired(Context* aContext);
+
+  nsTHashSet<Context*> mTimers;
+
+  nsCOMPtr<nsISerialEventTarget> mGMPEventTarget;
+
+  bool mIsOpen;
+};
+
+}  // namespace mozilla::gmp
+
+#endif  // GMPTimerParent_h_