1 files changed, 32 insertions, 0 deletions
diff --git a/dom/gamepad/GamepadMonitoring.cpp b/dom/gamepad/GamepadMonitoring.cpp
new file mode 100644
index 000000000..ac45aea57
--- /dev/null
+++ b/dom/gamepad/GamepadMonitoring.cpp
@@ -0,0 +1,32 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "mozilla/dom/GamepadMonitoring.h"
+#include "mozilla/dom/GamepadPlatformService.h"
+#include "mozilla/ipc/BackgroundParent.h"
+
+using namespace mozilla::ipc;
+
+namespace mozilla {
+namespace dom {
+
+void
+MaybeStopGamepadMonitoring()
+{
+  AssertIsOnBackgroundThread();
+  RefPtr<GamepadPlatformService> service =
+    GamepadPlatformService::GetParentService();
+  MOZ_ASSERT(service);
+  if(service->HasGamepadListeners()) {
+    return;
+  }
+  StopGamepadMonitoring();
+  service->ResetGamepadIndexes();
+  service->MaybeShutdown();
+}
+
+} // namespace dom
+} // namespace mozilla