1 files changed, 57 insertions, 0 deletions
diff --git a/dom/power/PowerManagerService.h b/dom/power/PowerManagerService.h
new file mode 100644
index 0000000000..1522342201
--- /dev/null
+++ b/dom/power/PowerManagerService.h
@@ -0,0 +1,57 @@
+/* -*- 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/. */
+#ifndef mozilla_dom_power_PowerManagerService_h
+#define mozilla_dom_power_PowerManagerService_h
+
+#include "nsCOMPtr.h"
+#include "nsHashKeys.h"
+#include "nsTArray.h"
+#include "nsIDOMWakeLockListener.h"
+#include "nsIPowerManagerService.h"
+#include "mozilla/HalWakeLockInformation.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/dom/WakeLock.h"
+
+namespace mozilla::dom {
+
+class ContentParent;
+
+namespace power {
+
+class PowerManagerService : public nsIPowerManagerService,
+                            public hal::WakeLockObserver {
+ public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIPOWERMANAGERSERVICE
+
+  PowerManagerService() = default;
+
+  static already_AddRefed<PowerManagerService> GetInstance();
+
+  void Init();
+
+  // Implement WakeLockObserver
+  void Notify(const hal::WakeLockInformation& aWakeLockInfo) override;
+
+  already_AddRefed<WakeLock> NewWakeLock(const nsAString& aTopic,
+                                         nsPIDOMWindowInner* aWindow,
+                                         mozilla::ErrorResult& aRv);
+
+ private:
+  ~PowerManagerService();
+
+  void ComputeWakeLockState(const hal::WakeLockInformation& aWakeLockInfo,
+                            nsAString& aState);
+
+  static StaticRefPtr<PowerManagerService> sSingleton;
+
+  nsTArray<nsCOMPtr<nsIDOMMozWakeLockListener>> mWakeLockListeners;
+};
+
+}  // namespace power
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_power_PowerManagerService_h