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-rw-r--r--dom/power/PowerManagerService.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/dom/power/PowerManagerService.h b/dom/power/PowerManagerService.h
new file mode 100644
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+++ b/dom/power/PowerManagerService.h
@@ -0,0 +1,86 @@
+/* -*- 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 "nsDataHashtable.h"
+#include "nsHashKeys.h"
+#include "nsTArray.h"
+#include "nsIDOMWakeLockListener.h"
+#include "nsIPowerManagerService.h"
+#include "mozilla/Observer.h"
+#include "Types.h"
+#include "mozilla/StaticPtr.h"
+#include "mozilla/dom/WakeLock.h"
+
+namespace mozilla {
+namespace dom {
+
+class ContentParent;
+
+namespace power {
+
+class PowerManagerService
+ : public nsIPowerManagerService
+ , public WakeLockObserver
+{
+public:
+ NS_DECL_ISUPPORTS
+ NS_DECL_NSIPOWERMANAGERSERVICE
+
+ PowerManagerService()
+ : mWatchdogTimeoutSecs(0)
+ {}
+
+ static already_AddRefed<PowerManagerService> GetInstance();
+
+ void Init();
+
+ // Implement WakeLockObserver
+ void Notify(const hal::WakeLockInformation& aWakeLockInfo) override;
+
+ /**
+ * Acquire a wake lock on behalf of a given process (aContentParent).
+ *
+ * This method stands in contrast to nsIPowerManagerService::NewWakeLock,
+ * which acquires a wake lock on behalf of the /current/ process.
+ *
+ * NewWakeLockOnBehalfOfProcess is different from NewWakeLock in that
+ *
+ * - The wake lock unlocks itself if the /given/ process dies, and
+ * - The /given/ process shows up in WakeLockInfo::lockingProcesses.
+ *
+ */
+ already_AddRefed<WakeLock>
+ NewWakeLockOnBehalfOfProcess(const nsAString& aTopic,
+ ContentParent* aContentParent);
+
+ already_AddRefed<WakeLock>
+ NewWakeLock(const nsAString& aTopic, nsPIDOMWindowInner* aWindow,
+ mozilla::ErrorResult& aRv);
+
+private:
+
+ ~PowerManagerService();
+
+ void ComputeWakeLockState(const hal::WakeLockInformation& aWakeLockInfo,
+ nsAString &aState);
+
+ void SyncProfile();
+
+ static StaticRefPtr<PowerManagerService> sSingleton;
+
+ nsTArray<nsCOMPtr<nsIDOMMozWakeLockListener>> mWakeLockListeners;
+
+ int32_t mWatchdogTimeoutSecs;
+};
+
+} // namespace power
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_power_PowerManagerService_h