1 files changed, 87 insertions, 0 deletions
diff --git a/libs/gui/SensorManager.cpp b/libs/gui/SensorManager.cpp
new file mode 100644
index 0000000..d719efb
--- /dev/null
+++ b/libs/gui/SensorManager.cpp
@@ -0,0 +1,87 @@
+/*
+ * 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.
+ */
+
+#define LOG_TAG "Sensors"
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Errors.h>
+#include <utils/RefBase.h>
+#include <utils/Singleton.h>
+
+#include <binder/IServiceManager.h>
+
+#include <gui/ISensorServer.h>
+#include <gui/ISensorEventConnection.h>
+#include <gui/Sensor.h>
+#include <gui/SensorManager.h>
+#include <gui/SensorEventQueue.h>
+
+// ----------------------------------------------------------------------------
+namespace android {
+// ----------------------------------------------------------------------------
+
+ANDROID_SINGLETON_STATIC_INSTANCE(SensorManager)
+
+SensorManager::SensorManager()
+    : mSensorList(0)
+{
+    const String16 name("sensorservice");
+    while (getService(name, &mSensorServer) != NO_ERROR) {
+        usleep(250000);
+    }
+
+    mSensors = mSensorServer->getSensorList();
+    size_t count = mSensors.size();
+    mSensorList = (Sensor const**)malloc(count * sizeof(Sensor*));
+    for (size_t i=0 ; i<count ; i++) {
+        mSensorList[i] = mSensors.array() + i;
+    }
+}
+
+SensorManager::~SensorManager()
+{
+    free(mSensorList);
+}
+
+ssize_t SensorManager::getSensorList(Sensor const* const** list) const
+{
+    *list = mSensorList;
+    return mSensors.size();
+}
+
+Sensor const* SensorManager::getDefaultSensor(int type)
+{
+    // For now we just return the first sensor of that type we find.
+    // in the future it will make sense to let the SensorService make
+    // that decision.
+    for (size_t i=0 ; i<mSensors.size() ; i++) {
+        if (mSensorList[i]->getType() == type)
+            return mSensorList[i];
+    }
+    return NULL;
+}
+
+sp<SensorEventQueue> SensorManager::createEventQueue()
+{
+    sp<SensorEventQueue> result = new SensorEventQueue(
+            mSensorServer->createSensorEventConnection());
+    return result;
+}
+
+// ----------------------------------------------------------------------------
+}; // namespace android