1 files changed, 141 insertions, 0 deletions
diff --git a/services/sensorservice/SensorService.h b/services/sensorservice/SensorService.h
new file mode 100644
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+++ b/services/sensorservice/SensorService.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_SENSOR_SERVICE_H
+#define ANDROID_SENSOR_SERVICE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Vector.h>
+#include <utils/SortedVector.h>
+#include <utils/KeyedVector.h>
+#include <utils/threads.h>
+#include <utils/RefBase.h>
+
+#include <binder/BinderService.h>
+#include <binder/Permission.h>
+
+#include <gui/Sensor.h>
+#include <gui/SensorChannel.h>
+#include <gui/ISensorServer.h>
+#include <gui/ISensorEventConnection.h>
+
+// ---------------------------------------------------------------------------
+
+struct sensors_poll_device_t;
+struct sensors_module_t;
+
+namespace android {
+// ---------------------------------------------------------------------------
+
+class SensorService :
+        public BinderService<SensorService>,
+        public BnSensorServer,
+        protected Thread
+{
+   friend class BinderService<SensorService>;
+
+   static const nsecs_t MINIMUM_EVENTS_PERIOD = 10000000; // 10ms
+   static const nsecs_t DEFAULT_EVENTS_PERIOD = 200000000; // 200 ms
+
+            SensorService();
+    virtual ~SensorService();
+
+    virtual void onFirstRef();
+
+    // Thread interface
+    virtual bool threadLoop();
+
+    // ISensorServer interface
+    virtual Vector<Sensor> getSensorList();
+    virtual sp<ISensorEventConnection> createSensorEventConnection();
+    virtual status_t dump(int fd, const Vector<String16>& args);
+
+
+    class SensorEventConnection : public BnSensorEventConnection {
+        virtual ~SensorEventConnection();
+        virtual void onFirstRef();
+        virtual sp<SensorChannel> getSensorChannel() const;
+        virtual status_t enableDisable(int handle, bool enabled);
+        virtual status_t setEventRate(int handle, nsecs_t ns);
+
+        sp<SensorService> const mService;
+        sp<SensorChannel> const mChannel;
+
+        // protected by SensorService::mLock
+        struct SensorInfo {
+            SensorInfo() : ns(DEFAULT_EVENTS_PERIOD) { }
+            nsecs_t ns;
+        };
+        DefaultKeyedVector<int32_t, SensorInfo> mSensorInfo;
+
+    public:
+        SensorEventConnection(const sp<SensorService>& service);
+
+        status_t sendEvents(sensors_event_t const* buffer, size_t count,
+                sensors_event_t* scratch = NULL);
+        bool hasSensor(int32_t handle) const;
+        bool hasAnySensor() const;
+        bool addSensor(int32_t handle);
+        bool removeSensor(int32_t handle);
+        status_t setEventRateLocked(int handle, nsecs_t ns);
+        nsecs_t getEventRateForSensor(int32_t handle) const {
+            return mSensorInfo.valueFor(handle).ns;
+        }
+    };
+
+    class SensorRecord {
+        SortedVector< wp<SensorEventConnection> > mConnections;
+    public:
+        SensorRecord(const sp<SensorEventConnection>& connection);
+        bool addConnection(const sp<SensorEventConnection>& connection);
+        bool removeConnection(const wp<SensorEventConnection>& connection);
+        size_t getNumConnections() const { return mConnections.size(); }
+    };
+
+    SortedVector< wp<SensorEventConnection> > getActiveConnections() const;
+    String8 getSensorName(int handle) const;
+    status_t recomputeEventsPeriodLocked(int32_t handle);
+
+    // constants
+    Vector<Sensor> mSensorList;
+    struct sensors_poll_device_t* mSensorDevice;
+    struct sensors_module_t* mSensorModule;
+    Permission mDump;
+    status_t mInitCheck;
+
+    // protected by mLock
+    mutable Mutex mLock;
+    DefaultKeyedVector<int, SensorRecord*> mActiveSensors;
+    SortedVector< wp<SensorEventConnection> > mActiveConnections;
+
+    // The size of this vector is constant, only the items are mutable
+    KeyedVector<int32_t, sensors_event_t> mLastEventSeen;
+
+public:
+    static char const* getServiceName() { return "sensorservice"; }
+
+    void cleanupConnection(const wp<SensorEventConnection>& connection);
+    status_t enable(const sp<SensorEventConnection>& connection, int handle);
+    status_t disable(const sp<SensorEventConnection>& connection, int handle);
+    status_t setEventRate(const sp<SensorEventConnection>& connection, int handle, nsecs_t ns);
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_SENSOR_SERVICE_H