1 files changed, 56 insertions, 0 deletions
diff --git a/hal/HalSensor.h b/hal/HalSensor.h
new file mode 100644
index 0000000000..39fc33848b
--- /dev/null
+++ b/hal/HalSensor.h
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et ft=cpp : */
+/* 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 __HAL_SENSOR_H_
+#define __HAL_SENSOR_H_
+
+#include "mozilla/Observer.h"
+
+namespace mozilla {
+namespace hal {
+
+/**
+ * Enumeration of sensor types.  They are used to specify type while
+ * register or unregister an observer for a sensor of given type.
+ * If you add or change any here, do the same in GeckoHalDefines.java.
+ */
+enum SensorType {
+  SENSOR_ORIENTATION = 0,
+  SENSOR_ACCELERATION = 1,
+  SENSOR_PROXIMITY = 2,
+  SENSOR_LINEAR_ACCELERATION = 3,
+  SENSOR_GYROSCOPE = 4,
+  SENSOR_LIGHT = 5,
+  SENSOR_ROTATION_VECTOR = 6,
+  SENSOR_GAME_ROTATION_VECTOR = 7,
+  NUM_SENSOR_TYPE
+};
+
+class SensorData;
+
+typedef Observer<SensorData> ISensorObserver;
+
+class SensorAccuracy;
+
+typedef Observer<SensorAccuracy> ISensorAccuracyObserver;
+
+}  // namespace hal
+}  // namespace mozilla
+
+#include "ipc/EnumSerializer.h"
+
+namespace IPC {
+/**
+ * Serializer for SensorType
+ */
+template <>
+struct ParamTraits<mozilla::hal::SensorType>
+    : public ContiguousEnumSerializer<mozilla::hal::SensorType,
+                                      mozilla::hal::SENSOR_ORIENTATION,
+                                      mozilla::hal::NUM_SENSOR_TYPE> {};
+}  // namespace IPC
+
+#endif /* __HAL_SENSOR_H_ */