split libsensor our of libgui 

Test: compile & run
Bug: treble cleanup
Change-Id: I5b2c2a14f7d3b364d25695cf0901c5b08cfb0fc9
diff --git a/libs/sensor/ISensorEventConnection.cpp b/libs/sensor/ISensorEventConnection.cpp
new file mode 100644
index 0000000..8a3a623
--- /dev/null
+++ b/libs/sensor/ISensorEventConnection.cpp
@@ -0,0 +1,159 @@
+/*
+ * 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.
+ */
+
+#include <sensor/ISensorEventConnection.h>
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Timers.h>
+
+#include <binder/Parcel.h>
+#include <binder/IInterface.h>
+
+#include <sensor/BitTube.h>
+
+namespace android {
+// ----------------------------------------------------------------------------
+
+enum {
+    GET_SENSOR_CHANNEL = IBinder::FIRST_CALL_TRANSACTION,
+    ENABLE_DISABLE,
+    SET_EVENT_RATE,
+    FLUSH_SENSOR,
+    CONFIGURE_CHANNEL
+};
+
+class BpSensorEventConnection : public BpInterface<ISensorEventConnection>
+{
+public:
+    explicit BpSensorEventConnection(const sp<IBinder>& impl)
+        : BpInterface<ISensorEventConnection>(impl)
+    {
+    }
+
+    virtual ~BpSensorEventConnection();
+
+    virtual sp<BitTube> getSensorChannel() const
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
+        remote()->transact(GET_SENSOR_CHANNEL, data, &reply);
+        return new BitTube(reply);
+    }
+
+    virtual status_t enableDisable(int handle, bool enabled, nsecs_t samplingPeriodNs,
+                                   nsecs_t maxBatchReportLatencyNs, int reservedFlags)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
+        data.writeInt32(handle);
+        data.writeInt32(enabled);
+        data.writeInt64(samplingPeriodNs);
+        data.writeInt64(maxBatchReportLatencyNs);
+        data.writeInt32(reservedFlags);
+        remote()->transact(ENABLE_DISABLE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t setEventRate(int handle, nsecs_t ns)
+    {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
+        data.writeInt32(handle);
+        data.writeInt64(ns);
+        remote()->transact(SET_EVENT_RATE, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual status_t flush() {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
+        remote()->transact(FLUSH_SENSOR, data, &reply);
+        return reply.readInt32();
+    }
+
+    virtual int32_t configureChannel(int32_t handle, int32_t rateLevel) {
+        Parcel data, reply;
+        data.writeInterfaceToken(ISensorEventConnection::getInterfaceDescriptor());
+        data.writeInt32(handle);
+        data.writeInt32(rateLevel);
+        remote()->transact(CONFIGURE_CHANNEL, data, &reply);
+        return reply.readInt32();
+    }
+};
+
+// Out-of-line virtual method definition to trigger vtable emission in this
+// translation unit (see clang warning -Wweak-vtables)
+BpSensorEventConnection::~BpSensorEventConnection() {}
+
+IMPLEMENT_META_INTERFACE(SensorEventConnection, "android.gui.SensorEventConnection");
+
+// ----------------------------------------------------------------------------
+
+status_t BnSensorEventConnection::onTransact(
+    uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+    switch(code) {
+        case GET_SENSOR_CHANNEL: {
+            CHECK_INTERFACE(ISensorEventConnection, data, reply);
+            sp<BitTube> channel(getSensorChannel());
+            channel->writeToParcel(reply);
+            return NO_ERROR;
+        }
+        case ENABLE_DISABLE: {
+            CHECK_INTERFACE(ISensorEventConnection, data, reply);
+            int handle = data.readInt32();
+            int enabled = data.readInt32();
+            nsecs_t samplingPeriodNs = data.readInt64();
+            nsecs_t maxBatchReportLatencyNs = data.readInt64();
+            int reservedFlags = data.readInt32();
+            status_t result = enableDisable(handle, enabled, samplingPeriodNs,
+                                            maxBatchReportLatencyNs, reservedFlags);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        }
+        case SET_EVENT_RATE: {
+            CHECK_INTERFACE(ISensorEventConnection, data, reply);
+            int handle = data.readInt32();
+            nsecs_t ns = data.readInt64();
+            status_t result = setEventRate(handle, ns);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        }
+        case FLUSH_SENSOR: {
+            CHECK_INTERFACE(ISensorEventConnection, data, reply);
+            status_t result = flush();
+            reply->writeInt32(result);
+            return NO_ERROR;
+        }
+        case CONFIGURE_CHANNEL: {
+            CHECK_INTERFACE(ISensorEventConnection, data, reply);
+            int handle = data.readInt32();
+            int rateLevel = data.readInt32();
+            status_t result = configureChannel(handle, rateLevel);
+            reply->writeInt32(result);
+            return NO_ERROR;
+        }
+
+    }
+    return BBinder::onTransact(code, data, reply, flags);
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android