| /* |
| * Copyright (C) 2012 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. |
| */ |
| |
| package android.hardware; |
| |
| import android.Manifest; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.PackageManager; |
| import android.os.Handler; |
| import android.os.Looper; |
| import android.os.MessageQueue; |
| import android.util.Log; |
| import android.util.SparseArray; |
| import android.util.SparseBooleanArray; |
| import android.util.SparseIntArray; |
| import dalvik.system.CloseGuard; |
| |
| import java.lang.ref.WeakReference; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Sensor manager implementation that communicates with the built-in |
| * system sensors. |
| * |
| * @hide |
| */ |
| public class SystemSensorManager extends SensorManager { |
| //TODO: disable extra logging before release |
| private static boolean DEBUG_DYNAMIC_SENSOR = true; |
| |
| private static native void nativeClassInit(); |
| private static native long nativeCreate(String opPackageName); |
| private static native boolean nativeGetSensorAtIndex(long nativeInstance, |
| Sensor sensor, int index); |
| private static native void nativeGetDynamicSensors(long nativeInstance, List<Sensor> list); |
| private static native boolean nativeIsDataInjectionEnabled(long nativeInstance); |
| |
| private static final Object sLock = new Object(); |
| private static boolean sSensorModuleInitialized = false; |
| private static InjectEventQueue sInjectEventQueue = null; |
| |
| private final ArrayList<Sensor> mFullSensorsList = new ArrayList<>(); |
| private List<Sensor> mFullDynamicSensorsList = new ArrayList<>(); |
| private boolean mDynamicSensorListDirty = true; |
| |
| private final HashMap<Integer, Sensor> mHandleToSensor = new HashMap<>(); |
| |
| // Listener list |
| private final HashMap<SensorEventListener, SensorEventQueue> mSensorListeners = |
| new HashMap<SensorEventListener, SensorEventQueue>(); |
| private final HashMap<TriggerEventListener, TriggerEventQueue> mTriggerListeners = |
| new HashMap<TriggerEventListener, TriggerEventQueue>(); |
| |
| // Dynamic Sensor callbacks |
| private HashMap<DynamicSensorConnectionCallback, Handler> |
| mDynamicSensorCallbacks = new HashMap<>(); |
| private BroadcastReceiver mDynamicSensorBroadcastReceiver; |
| |
| // Looper associated with the context in which this instance was created. |
| private final Looper mMainLooper; |
| private final int mTargetSdkLevel; |
| private final Context mContext; |
| private final long mNativeInstance; |
| |
| /** {@hide} */ |
| public SystemSensorManager(Context context, Looper mainLooper) { |
| synchronized(sLock) { |
| if (!sSensorModuleInitialized) { |
| sSensorModuleInitialized = true; |
| nativeClassInit(); |
| } |
| } |
| |
| mMainLooper = mainLooper; |
| mTargetSdkLevel = context.getApplicationInfo().targetSdkVersion; |
| mContext = context; |
| mNativeInstance = nativeCreate(context.getOpPackageName()); |
| |
| // initialize the sensor list |
| for (int index = 0;;++index) { |
| Sensor sensor = new Sensor(); |
| if (!nativeGetSensorAtIndex(mNativeInstance, sensor, index)) break; |
| mFullSensorsList.add(sensor); |
| mHandleToSensor.put(sensor.getHandle(), sensor); |
| } |
| } |
| |
| |
| /** @hide */ |
| @Override |
| protected List<Sensor> getFullSensorList() { |
| return mFullSensorsList; |
| } |
| |
| /** @hide */ |
| @Override |
| protected List<Sensor> getFullDynamicSensorList() { |
| // only set up broadcast receiver if the application tries to find dynamic sensors or |
| // explicitly register a DynamicSensorConnectionCallback |
| setupDynamicSensorBroadcastReceiver(); |
| updateDynamicSensorList(); |
| return mFullDynamicSensorsList; |
| } |
| |
| /** @hide */ |
| @Override |
| protected boolean registerListenerImpl(SensorEventListener listener, Sensor sensor, |
| int delayUs, Handler handler, int maxBatchReportLatencyUs, int reservedFlags) { |
| if (listener == null || sensor == null) { |
| Log.e(TAG, "sensor or listener is null"); |
| return false; |
| } |
| // Trigger Sensors should use the requestTriggerSensor call. |
| if (sensor.getReportingMode() == Sensor.REPORTING_MODE_ONE_SHOT) { |
| Log.e(TAG, "Trigger Sensors should use the requestTriggerSensor."); |
| return false; |
| } |
| if (maxBatchReportLatencyUs < 0 || delayUs < 0) { |
| Log.e(TAG, "maxBatchReportLatencyUs and delayUs should be non-negative"); |
| return false; |
| } |
| |
| // Invariants to preserve: |
| // - one Looper per SensorEventListener |
| // - one Looper per SensorEventQueue |
| // We map SensorEventListener to a SensorEventQueue, which holds the looper |
| synchronized (mSensorListeners) { |
| SensorEventQueue queue = mSensorListeners.get(listener); |
| if (queue == null) { |
| Looper looper = (handler != null) ? handler.getLooper() : mMainLooper; |
| final String fullClassName = listener.getClass().getEnclosingClass() != null ? |
| listener.getClass().getEnclosingClass().getName() : |
| listener.getClass().getName(); |
| queue = new SensorEventQueue(listener, looper, this, fullClassName); |
| if (!queue.addSensor(sensor, delayUs, maxBatchReportLatencyUs)) { |
| queue.dispose(); |
| return false; |
| } |
| mSensorListeners.put(listener, queue); |
| return true; |
| } else { |
| return queue.addSensor(sensor, delayUs, maxBatchReportLatencyUs); |
| } |
| } |
| } |
| |
| /** @hide */ |
| @Override |
| protected void unregisterListenerImpl(SensorEventListener listener, Sensor sensor) { |
| // Trigger Sensors should use the cancelTriggerSensor call. |
| if (sensor != null && sensor.getReportingMode() == Sensor.REPORTING_MODE_ONE_SHOT) { |
| return; |
| } |
| |
| synchronized (mSensorListeners) { |
| SensorEventQueue queue = mSensorListeners.get(listener); |
| if (queue != null) { |
| boolean result; |
| if (sensor == null) { |
| result = queue.removeAllSensors(); |
| } else { |
| result = queue.removeSensor(sensor, true); |
| } |
| if (result && !queue.hasSensors()) { |
| mSensorListeners.remove(listener); |
| queue.dispose(); |
| } |
| } |
| } |
| } |
| |
| /** @hide */ |
| @Override |
| protected boolean requestTriggerSensorImpl(TriggerEventListener listener, Sensor sensor) { |
| if (sensor == null) throw new IllegalArgumentException("sensor cannot be null"); |
| |
| if (listener == null) throw new IllegalArgumentException("listener cannot be null"); |
| |
| if (sensor.getReportingMode() != Sensor.REPORTING_MODE_ONE_SHOT) return false; |
| |
| synchronized (mTriggerListeners) { |
| TriggerEventQueue queue = mTriggerListeners.get(listener); |
| if (queue == null) { |
| final String fullClassName = listener.getClass().getEnclosingClass() != null ? |
| listener.getClass().getEnclosingClass().getName() : |
| listener.getClass().getName(); |
| queue = new TriggerEventQueue(listener, mMainLooper, this, fullClassName); |
| if (!queue.addSensor(sensor, 0, 0)) { |
| queue.dispose(); |
| return false; |
| } |
| mTriggerListeners.put(listener, queue); |
| return true; |
| } else { |
| return queue.addSensor(sensor, 0, 0); |
| } |
| } |
| } |
| |
| /** @hide */ |
| @Override |
| protected boolean cancelTriggerSensorImpl(TriggerEventListener listener, Sensor sensor, |
| boolean disable) { |
| if (sensor != null && sensor.getReportingMode() != Sensor.REPORTING_MODE_ONE_SHOT) { |
| return false; |
| } |
| synchronized (mTriggerListeners) { |
| TriggerEventQueue queue = mTriggerListeners.get(listener); |
| if (queue != null) { |
| boolean result; |
| if (sensor == null) { |
| result = queue.removeAllSensors(); |
| } else { |
| result = queue.removeSensor(sensor, disable); |
| } |
| if (result && !queue.hasSensors()) { |
| mTriggerListeners.remove(listener); |
| queue.dispose(); |
| } |
| return result; |
| } |
| return false; |
| } |
| } |
| |
| protected boolean flushImpl(SensorEventListener listener) { |
| if (listener == null) throw new IllegalArgumentException("listener cannot be null"); |
| |
| synchronized (mSensorListeners) { |
| SensorEventQueue queue = mSensorListeners.get(listener); |
| if (queue == null) { |
| return false; |
| } else { |
| return (queue.flush() == 0); |
| } |
| } |
| } |
| |
| protected boolean initDataInjectionImpl(boolean enable) { |
| synchronized (sLock) { |
| if (enable) { |
| boolean isDataInjectionModeEnabled = nativeIsDataInjectionEnabled(mNativeInstance); |
| // The HAL does not support injection OR SensorService hasn't been set in DI mode. |
| if (!isDataInjectionModeEnabled) { |
| Log.e(TAG, "Data Injection mode not enabled"); |
| return false; |
| } |
| // Initialize a client for data_injection. |
| if (sInjectEventQueue == null) { |
| sInjectEventQueue = new InjectEventQueue(mMainLooper, this, |
| mContext.getPackageName()); |
| } |
| } else { |
| // If data injection is being disabled clean up the native resources. |
| if (sInjectEventQueue != null) { |
| sInjectEventQueue.dispose(); |
| sInjectEventQueue = null; |
| } |
| } |
| return true; |
| } |
| } |
| |
| protected boolean injectSensorDataImpl(Sensor sensor, float[] values, int accuracy, |
| long timestamp) { |
| synchronized (sLock) { |
| if (sInjectEventQueue == null) { |
| Log.e(TAG, "Data injection mode not activated before calling injectSensorData"); |
| return false; |
| } |
| int ret = sInjectEventQueue.injectSensorData(sensor.getHandle(), values, accuracy, |
| timestamp); |
| // If there are any errors in data injection clean up the native resources. |
| if (ret != 0) { |
| sInjectEventQueue.dispose(); |
| sInjectEventQueue = null; |
| } |
| return ret == 0; |
| } |
| } |
| |
| private void cleanupSensorConnection(Sensor sensor) { |
| mHandleToSensor.remove(sensor.getHandle()); |
| |
| if (sensor.getReportingMode() == Sensor.REPORTING_MODE_ONE_SHOT) { |
| synchronized(mTriggerListeners) { |
| for (TriggerEventListener l: mTriggerListeners.keySet()) { |
| if (DEBUG_DYNAMIC_SENSOR){ |
| Log.i(TAG, "removed trigger listener" + l.toString() + |
| " due to sensor disconnection"); |
| } |
| cancelTriggerSensorImpl(l, sensor, true); |
| } |
| } |
| } else { |
| synchronized(mSensorListeners) { |
| for (SensorEventListener l: mSensorListeners.keySet()) { |
| if (DEBUG_DYNAMIC_SENSOR){ |
| Log.i(TAG, "removed event listener" + l.toString() + |
| " due to sensor disconnection"); |
| } |
| unregisterListenerImpl(l, sensor); |
| } |
| } |
| } |
| } |
| |
| private void updateDynamicSensorList() { |
| synchronized(mFullDynamicSensorsList) { |
| if (mDynamicSensorListDirty) { |
| List<Sensor> list = new ArrayList<>(); |
| nativeGetDynamicSensors(mNativeInstance, list); |
| |
| final List<Sensor> updatedList = new ArrayList<>(); |
| final List<Sensor> addedList = new ArrayList<>(); |
| final List<Sensor> removedList = new ArrayList<>(); |
| |
| boolean changed = diffSortedSensorList( |
| mFullDynamicSensorsList, list, updatedList, addedList, removedList); |
| |
| if (changed) { |
| if (DEBUG_DYNAMIC_SENSOR) { |
| Log.i(TAG, "DYNS dynamic sensor list cached should be updated"); |
| } |
| mFullDynamicSensorsList = updatedList; |
| |
| for (Sensor s: addedList) { |
| mHandleToSensor.put(s.getHandle(), s); |
| } |
| |
| Handler mainHandler = new Handler(mContext.getMainLooper()); |
| |
| for (Map.Entry<DynamicSensorConnectionCallback, Handler> entry : |
| mDynamicSensorCallbacks.entrySet()) { |
| final DynamicSensorConnectionCallback callback = entry.getKey(); |
| Handler handler = |
| entry.getValue() == null ? mainHandler : entry.getValue(); |
| |
| handler.post(new Runnable() { |
| @Override |
| public void run() { |
| for (Sensor s: addedList) { |
| callback.onDynamicSensorConnected(s); |
| } |
| for (Sensor s: removedList) { |
| callback.onDynamicSensorDisconnected(s); |
| } |
| } |
| }); |
| } |
| |
| for (Sensor s: removedList) { |
| cleanupSensorConnection(s); |
| } |
| } |
| |
| mDynamicSensorListDirty = false; |
| } |
| } |
| } |
| |
| private void setupDynamicSensorBroadcastReceiver() { |
| if (mDynamicSensorBroadcastReceiver == null) { |
| mDynamicSensorBroadcastReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (intent.getAction() == Intent.ACTION_DYNAMIC_SENSOR_CHANGED) { |
| if (DEBUG_DYNAMIC_SENSOR) { |
| Log.i(TAG, "DYNS received DYNAMIC_SENSOR_CHANED broadcast"); |
| } |
| // Dynamic sensors probably changed |
| mDynamicSensorListDirty = true; |
| updateDynamicSensorList(); |
| } |
| } |
| }; |
| |
| IntentFilter filter = new IntentFilter("dynamic_sensor_change"); |
| filter.addAction(Intent.ACTION_DYNAMIC_SENSOR_CHANGED); |
| mContext.registerReceiver(mDynamicSensorBroadcastReceiver, filter); |
| } |
| } |
| |
| private void teardownDynamicSensorBroadcastReceiver() { |
| mDynamicSensorCallbacks.clear(); |
| mContext.unregisterReceiver(mDynamicSensorBroadcastReceiver); |
| mDynamicSensorBroadcastReceiver = null; |
| } |
| |
| /** @hide */ |
| protected void registerDynamicSensorCallbackImpl( |
| DynamicSensorConnectionCallback callback, Handler handler) { |
| if (DEBUG_DYNAMIC_SENSOR) { |
| Log.i(TAG, "DYNS Register dynamic sensor callback"); |
| } |
| |
| if (callback == null) { |
| throw new IllegalArgumentException("callback cannot be null"); |
| } |
| if (mDynamicSensorCallbacks.containsKey(callback)) { |
| // has been already registered, ignore |
| return; |
| } |
| |
| setupDynamicSensorBroadcastReceiver(); |
| mDynamicSensorCallbacks.put(callback, handler); |
| } |
| |
| /** @hide */ |
| protected void unregisterDynamicSensorCallbackImpl( |
| DynamicSensorConnectionCallback callback) { |
| if (DEBUG_DYNAMIC_SENSOR) { |
| Log.i(TAG, "Removing dynamic sensor listerner"); |
| } |
| mDynamicSensorCallbacks.remove(callback); |
| } |
| |
| /* |
| * Find the difference of two List<Sensor> assuming List are sorted by handle of sensor, |
| * assuming the input list is already sorted by handle. Inputs are ol and nl; outputs are |
| * updated, added and removed. Any of the output lists can be null in case the result is not |
| * interested. |
| */ |
| private static boolean diffSortedSensorList( |
| List<Sensor> oldList, List<Sensor> newList, List<Sensor> updated, |
| List<Sensor> added, List<Sensor> removed) { |
| |
| boolean changed = false; |
| |
| int i = 0, j = 0; |
| while (true) { |
| if (j < oldList.size() && ( i >= newList.size() || |
| newList.get(i).getHandle() > oldList.get(j).getHandle()) ) { |
| changed = true; |
| if (removed != null) { |
| removed.add(oldList.get(j)); |
| } |
| ++j; |
| } else if (i < newList.size() && ( j >= oldList.size() || |
| newList.get(i).getHandle() < oldList.get(j).getHandle())) { |
| changed = true; |
| if (added != null) { |
| added.add(newList.get(i)); |
| } |
| if (updated != null) { |
| updated.add(newList.get(i)); |
| } |
| ++i; |
| } else if (i < newList.size() && j < oldList.size() && |
| newList.get(i).getHandle() == oldList.get(j).getHandle()) { |
| if (updated != null) { |
| updated.add(oldList.get(j)); |
| } |
| ++i; |
| ++j; |
| } else { |
| break; |
| } |
| } |
| return changed; |
| } |
| |
| /* |
| * BaseEventQueue is the communication channel with the sensor service, |
| * SensorEventQueue, TriggerEventQueue are subclases and there is one-to-one mapping between |
| * the queues and the listeners. InjectEventQueue is also a sub-class which is a special case |
| * where data is being injected into the sensor HAL through the sensor service. It is not |
| * associated with any listener and there is one InjectEventQueue associated with a |
| * SensorManager instance. |
| */ |
| private static abstract class BaseEventQueue { |
| private static native long nativeInitBaseEventQueue(long nativeManager, |
| WeakReference<BaseEventQueue> eventQWeak, MessageQueue msgQ, |
| String packageName, int mode, String opPackageName); |
| private static native int nativeEnableSensor(long eventQ, int handle, int rateUs, |
| int maxBatchReportLatencyUs); |
| private static native int nativeDisableSensor(long eventQ, int handle); |
| private static native void nativeDestroySensorEventQueue(long eventQ); |
| private static native int nativeFlushSensor(long eventQ); |
| private static native int nativeInjectSensorData(long eventQ, int handle, |
| float[] values,int accuracy, long timestamp); |
| |
| private long nSensorEventQueue; |
| private final SparseBooleanArray mActiveSensors = new SparseBooleanArray(); |
| protected final SparseIntArray mSensorAccuracies = new SparseIntArray(); |
| private final CloseGuard mCloseGuard = CloseGuard.get(); |
| protected final SystemSensorManager mManager; |
| |
| protected static final int OPERATING_MODE_NORMAL = 0; |
| protected static final int OPERATING_MODE_DATA_INJECTION = 1; |
| |
| BaseEventQueue(Looper looper, SystemSensorManager manager, int mode, String packageName) { |
| if (packageName == null) packageName = ""; |
| nSensorEventQueue = nativeInitBaseEventQueue(manager.mNativeInstance, |
| new WeakReference<>(this), looper.getQueue(), |
| packageName, mode, manager.mContext.getOpPackageName()); |
| mCloseGuard.open("dispose"); |
| mManager = manager; |
| } |
| |
| public void dispose() { |
| dispose(false); |
| } |
| |
| public boolean addSensor( |
| Sensor sensor, int delayUs, int maxBatchReportLatencyUs) { |
| // Check if already present. |
| int handle = sensor.getHandle(); |
| if (mActiveSensors.get(handle)) return false; |
| |
| // Get ready to receive events before calling enable. |
| mActiveSensors.put(handle, true); |
| addSensorEvent(sensor); |
| if (enableSensor(sensor, delayUs, maxBatchReportLatencyUs) != 0) { |
| // Try continuous mode if batching fails. |
| if (maxBatchReportLatencyUs == 0 || |
| maxBatchReportLatencyUs > 0 && enableSensor(sensor, delayUs, 0) != 0) { |
| removeSensor(sensor, false); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| public boolean removeAllSensors() { |
| for (int i=0 ; i<mActiveSensors.size(); i++) { |
| if (mActiveSensors.valueAt(i) == true) { |
| int handle = mActiveSensors.keyAt(i); |
| Sensor sensor = mManager.mHandleToSensor.get(handle); |
| if (sensor != null) { |
| disableSensor(sensor); |
| mActiveSensors.put(handle, false); |
| removeSensorEvent(sensor); |
| } else { |
| // sensor just disconnected -- just ignore. |
| } |
| } |
| } |
| return true; |
| } |
| |
| public boolean removeSensor(Sensor sensor, boolean disable) { |
| final int handle = sensor.getHandle(); |
| if (mActiveSensors.get(handle)) { |
| if (disable) disableSensor(sensor); |
| mActiveSensors.put(sensor.getHandle(), false); |
| removeSensorEvent(sensor); |
| return true; |
| } |
| return false; |
| } |
| |
| public int flush() { |
| if (nSensorEventQueue == 0) throw new NullPointerException(); |
| return nativeFlushSensor(nSensorEventQueue); |
| } |
| |
| public boolean hasSensors() { |
| // no more sensors are set |
| return mActiveSensors.indexOfValue(true) >= 0; |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| dispose(true); |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| private void dispose(boolean finalized) { |
| if (mCloseGuard != null) { |
| if (finalized) { |
| mCloseGuard.warnIfOpen(); |
| } |
| mCloseGuard.close(); |
| } |
| if (nSensorEventQueue != 0) { |
| nativeDestroySensorEventQueue(nSensorEventQueue); |
| nSensorEventQueue = 0; |
| } |
| } |
| |
| private int enableSensor( |
| Sensor sensor, int rateUs, int maxBatchReportLatencyUs) { |
| if (nSensorEventQueue == 0) throw new NullPointerException(); |
| if (sensor == null) throw new NullPointerException(); |
| return nativeEnableSensor(nSensorEventQueue, sensor.getHandle(), rateUs, |
| maxBatchReportLatencyUs); |
| } |
| |
| protected int injectSensorDataBase(int handle, float[] values, int accuracy, |
| long timestamp) { |
| return nativeInjectSensorData(nSensorEventQueue, handle, values, accuracy, timestamp); |
| } |
| |
| private int disableSensor(Sensor sensor) { |
| if (nSensorEventQueue == 0) throw new NullPointerException(); |
| if (sensor == null) throw new NullPointerException(); |
| return nativeDisableSensor(nSensorEventQueue, sensor.getHandle()); |
| } |
| protected abstract void dispatchSensorEvent(int handle, float[] values, int accuracy, |
| long timestamp); |
| protected abstract void dispatchFlushCompleteEvent(int handle); |
| |
| protected void dispatchAdditionalInfoEvent( |
| int handle, int type, int serial, float[] floatValues, int[] intValues) { |
| // default implementation is do nothing |
| } |
| |
| protected abstract void addSensorEvent(Sensor sensor); |
| protected abstract void removeSensorEvent(Sensor sensor); |
| } |
| |
| static final class SensorEventQueue extends BaseEventQueue { |
| private final SensorEventListener mListener; |
| private final SparseArray<SensorEvent> mSensorsEvents = new SparseArray<SensorEvent>(); |
| |
| public SensorEventQueue(SensorEventListener listener, Looper looper, |
| SystemSensorManager manager, String packageName) { |
| super(looper, manager, OPERATING_MODE_NORMAL, packageName); |
| mListener = listener; |
| } |
| |
| @Override |
| public void addSensorEvent(Sensor sensor) { |
| SensorEvent t = new SensorEvent(Sensor.getMaxLengthValuesArray(sensor, |
| mManager.mTargetSdkLevel)); |
| synchronized (mSensorsEvents) { |
| mSensorsEvents.put(sensor.getHandle(), t); |
| } |
| } |
| |
| @Override |
| public void removeSensorEvent(Sensor sensor) { |
| synchronized (mSensorsEvents) { |
| mSensorsEvents.delete(sensor.getHandle()); |
| } |
| } |
| |
| // Called from native code. |
| @SuppressWarnings("unused") |
| @Override |
| protected void dispatchSensorEvent(int handle, float[] values, int inAccuracy, |
| long timestamp) { |
| final Sensor sensor = mManager.mHandleToSensor.get(handle); |
| if (sensor == null) { |
| // sensor disconnected |
| return; |
| } |
| |
| SensorEvent t = null; |
| synchronized (mSensorsEvents) { |
| t = mSensorsEvents.get(handle); |
| } |
| |
| if (t == null) { |
| // This may happen if the client has unregistered and there are pending events in |
| // the queue waiting to be delivered. Ignore. |
| return; |
| } |
| // Copy from the values array. |
| System.arraycopy(values, 0, t.values, 0, t.values.length); |
| t.timestamp = timestamp; |
| t.accuracy = inAccuracy; |
| t.sensor = sensor; |
| |
| // call onAccuracyChanged() only if the value changes |
| final int accuracy = mSensorAccuracies.get(handle); |
| if ((t.accuracy >= 0) && (accuracy != t.accuracy)) { |
| mSensorAccuracies.put(handle, t.accuracy); |
| mListener.onAccuracyChanged(t.sensor, t.accuracy); |
| } |
| mListener.onSensorChanged(t); |
| } |
| |
| // Called from native code. |
| @SuppressWarnings("unused") |
| @Override |
| protected void dispatchFlushCompleteEvent(int handle) { |
| if (mListener instanceof SensorEventListener2) { |
| final Sensor sensor = mManager.mHandleToSensor.get(handle); |
| if (sensor == null) { |
| // sensor disconnected |
| return; |
| } |
| ((SensorEventListener2)mListener).onFlushCompleted(sensor); |
| } |
| return; |
| } |
| |
| // Called from native code. |
| @SuppressWarnings("unused") |
| @Override |
| protected void dispatchAdditionalInfoEvent( |
| int handle, int type, int serial, float[] floatValues, int[] intValues) { |
| if (mListener instanceof SensorEventCallback) { |
| final Sensor sensor = mManager.mHandleToSensor.get(handle); |
| if (sensor == null) { |
| // sensor disconnected |
| return; |
| } |
| SensorAdditionalInfo info = |
| new SensorAdditionalInfo(sensor, type, serial, intValues, floatValues); |
| ((SensorEventCallback)mListener).onSensorAdditionalInfo(info); |
| } |
| } |
| } |
| |
| static final class TriggerEventQueue extends BaseEventQueue { |
| private final TriggerEventListener mListener; |
| private final SparseArray<TriggerEvent> mTriggerEvents = new SparseArray<TriggerEvent>(); |
| |
| public TriggerEventQueue(TriggerEventListener listener, Looper looper, |
| SystemSensorManager manager, String packageName) { |
| super(looper, manager, OPERATING_MODE_NORMAL, packageName); |
| mListener = listener; |
| } |
| |
| @Override |
| public void addSensorEvent(Sensor sensor) { |
| TriggerEvent t = new TriggerEvent(Sensor.getMaxLengthValuesArray(sensor, |
| mManager.mTargetSdkLevel)); |
| synchronized (mTriggerEvents) { |
| mTriggerEvents.put(sensor.getHandle(), t); |
| } |
| } |
| |
| @Override |
| public void removeSensorEvent(Sensor sensor) { |
| synchronized (mTriggerEvents) { |
| mTriggerEvents.delete(sensor.getHandle()); |
| } |
| } |
| |
| // Called from native code. |
| @SuppressWarnings("unused") |
| @Override |
| protected void dispatchSensorEvent(int handle, float[] values, int accuracy, |
| long timestamp) { |
| final Sensor sensor = mManager.mHandleToSensor.get(handle); |
| if (sensor == null) { |
| // sensor disconnected |
| return; |
| } |
| TriggerEvent t = null; |
| synchronized (mTriggerEvents) { |
| t = mTriggerEvents.get(handle); |
| } |
| if (t == null) { |
| Log.e(TAG, "Error: Trigger Event is null for Sensor: " + sensor); |
| return; |
| } |
| |
| // Copy from the values array. |
| System.arraycopy(values, 0, t.values, 0, t.values.length); |
| t.timestamp = timestamp; |
| t.sensor = sensor; |
| |
| // A trigger sensor is auto disabled. So just clean up and don't call native |
| // disable. |
| mManager.cancelTriggerSensorImpl(mListener, sensor, false); |
| |
| mListener.onTrigger(t); |
| } |
| |
| @SuppressWarnings("unused") |
| protected void dispatchFlushCompleteEvent(int handle) { |
| } |
| } |
| |
| final class InjectEventQueue extends BaseEventQueue { |
| public InjectEventQueue(Looper looper, SystemSensorManager manager, String packageName) { |
| super(looper, manager, OPERATING_MODE_DATA_INJECTION, packageName); |
| } |
| |
| int injectSensorData(int handle, float[] values,int accuracy, long timestamp) { |
| return injectSensorDataBase(handle, values, accuracy, timestamp); |
| } |
| |
| @SuppressWarnings("unused") |
| protected void dispatchSensorEvent(int handle, float[] values, int accuracy, |
| long timestamp) { |
| } |
| |
| @SuppressWarnings("unused") |
| protected void dispatchFlushCompleteEvent(int handle) { |
| |
| } |
| |
| @SuppressWarnings("unused") |
| protected void addSensorEvent(Sensor sensor) { |
| |
| } |
| |
| @SuppressWarnings("unused") |
| protected void removeSensorEvent(Sensor sensor) { |
| |
| } |
| } |
| } |