1 files changed, 59 insertions, 0 deletions
diff --git a/dom/media/gmp/GMPTimerChild.cpp b/dom/media/gmp/GMPTimerChild.cpp
new file mode 100644
index 0000000000..8858f5f87f
--- /dev/null
+++ b/dom/media/gmp/GMPTimerChild.cpp
@@ -0,0 +1,59 @@
+/* -*- 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/. */
+
+#include "GMPTimerChild.h"
+#include "GMPPlatform.h"
+#include "GMPChild.h"
+
+#define MAX_NUM_TIMERS 1000
+
+namespace mozilla::gmp {
+
+GMPTimerChild::GMPTimerChild(GMPChild* aPlugin)
+    : mTimerCount(1), mPlugin(aPlugin) {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+}
+
+GMPTimerChild::~GMPTimerChild() {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+}
+
+GMPErr GMPTimerChild::SetTimer(GMPTask* aTask, int64_t aTimeoutMS) {
+  if (!aTask) {
+    NS_WARNING("Tried to set timer with null task!");
+    return GMPGenericErr;
+  }
+
+  if (mPlugin->GMPMessageLoop() != MessageLoop::current()) {
+    NS_WARNING("Tried to set GMP timer on non-main thread.");
+    return GMPGenericErr;
+  }
+
+  if (mTimers.Count() > MAX_NUM_TIMERS) {
+    return GMPQuotaExceededErr;
+  }
+  uint32_t timerId = mTimerCount;
+  mTimers.InsertOrUpdate(timerId, aTask);
+  mTimerCount++;
+
+  if (!SendSetTimer(timerId, aTimeoutMS)) {
+    return GMPGenericErr;
+  }
+  return GMPNoErr;
+}
+
+mozilla::ipc::IPCResult GMPTimerChild::RecvTimerExpired(
+    const uint32_t& aTimerId) {
+  MOZ_ASSERT(mPlugin->GMPMessageLoop() == MessageLoop::current());
+
+  GMPTask* task = mTimers.Get(aTimerId);
+  mTimers.Remove(aTimerId);
+  if (task) {
+    RunOnMainThread(task);
+  }
+  return IPC_OK();
+}
+
+}  // namespace mozilla::gmp