Pipe the packageName of the application from the java layer to SensorService.

Change-Id: I8610d676be0249e1047bb539bfeb76cc34538edf
diff --git a/core/java/android/hardware/SystemSensorManager.java b/core/java/android/hardware/SystemSensorManager.java
index a6c3ea4..88fa339 100644
--- a/core/java/android/hardware/SystemSensorManager.java
+++ b/core/java/android/hardware/SystemSensorManager.java
@@ -54,11 +54,13 @@
     // Looper associated with the context in which this instance was created.
     private final Looper mMainLooper;
     private final int mTargetSdkLevel;
+    private final String mPackageName;
 
     /** {@hide} */
     public SystemSensorManager(Context context, Looper mainLooper) {
         mMainLooper = mainLooper;
         mTargetSdkLevel = context.getApplicationInfo().targetSdkVersion;
+        mPackageName = context.getPackageName();
         synchronized(sSensorModuleLock) {
             if (!sSensorModuleInitialized) {
                 sSensorModuleInitialized = true;
@@ -117,14 +119,14 @@
             if (queue == null) {
                 Looper looper = (handler != null) ? handler.getLooper() : mMainLooper;
                 queue = new SensorEventQueue(listener, looper, this);
-                if (!queue.addSensor(sensor, delayUs, maxBatchReportLatencyUs, reservedFlags)) {
+                if (!queue.addSensor(sensor, delayUs, maxBatchReportLatencyUs)) {
                     queue.dispose();
                     return false;
                 }
                 mSensorListeners.put(listener, queue);
                 return true;
             } else {
-                return queue.addSensor(sensor, delayUs, maxBatchReportLatencyUs, reservedFlags);
+                return queue.addSensor(sensor, delayUs, maxBatchReportLatencyUs);
             }
         }
     }
@@ -165,14 +167,14 @@
             TriggerEventQueue queue = mTriggerListeners.get(listener);
             if (queue == null) {
                 queue = new TriggerEventQueue(listener, mMainLooper, this);
-                if (!queue.addSensor(sensor, 0, 0, 0)) {
+                if (!queue.addSensor(sensor, 0, 0)) {
                     queue.dispose();
                     return false;
                 }
                 mTriggerListeners.put(listener, queue);
                 return true;
             } else {
-                return queue.addSensor(sensor, 0, 0, 0);
+                return queue.addSensor(sensor, 0, 0);
             }
         }
     }
@@ -223,9 +225,9 @@
      */
     private static abstract class BaseEventQueue {
         private native long nativeInitBaseEventQueue(BaseEventQueue eventQ, MessageQueue msgQ,
-                float[] scratch);
+                float[] scratch, String packageName);
         private static native int nativeEnableSensor(long eventQ, int handle, int rateUs,
-                int maxBatchReportLatencyUs, int reservedFlags);
+                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);
@@ -238,7 +240,8 @@
         protected final SystemSensorManager mManager;
 
         BaseEventQueue(Looper looper, SystemSensorManager manager) {
-            nSensorEventQueue = nativeInitBaseEventQueue(this, looper.getQueue(), mScratch);
+            nSensorEventQueue = nativeInitBaseEventQueue(this, looper.getQueue(), mScratch,
+                    manager.mPackageName);
             mCloseGuard.open("dispose");
             mManager = manager;
         }
@@ -248,7 +251,7 @@
         }
 
         public boolean addSensor(
-                Sensor sensor, int delayUs, int maxBatchReportLatencyUs, int reservedFlags) {
+                Sensor sensor, int delayUs, int maxBatchReportLatencyUs) {
             // Check if already present.
             int handle = sensor.getHandle();
             if (mActiveSensors.get(handle)) return false;
@@ -256,10 +259,10 @@
             // Get ready to receive events before calling enable.
             mActiveSensors.put(handle, true);
             addSensorEvent(sensor);
-            if (enableSensor(sensor, delayUs, maxBatchReportLatencyUs, reservedFlags) != 0) {
+            if (enableSensor(sensor, delayUs, maxBatchReportLatencyUs) != 0) {
                 // Try continuous mode if batching fails.
                 if (maxBatchReportLatencyUs == 0 ||
-                    maxBatchReportLatencyUs > 0 && enableSensor(sensor, delayUs, 0, 0) != 0) {
+                    maxBatchReportLatencyUs > 0 && enableSensor(sensor, delayUs, 0) != 0) {
                   removeSensor(sensor, false);
                   return false;
                 }
@@ -328,11 +331,11 @@
         }
 
         private int enableSensor(
-                Sensor sensor, int rateUs, int maxBatchReportLatencyUs, int reservedFlags) {
+                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, reservedFlags);
+                    maxBatchReportLatencyUs);
         }
 
         private int disableSensor(Sensor sensor) {
diff --git a/core/jni/android_hardware_SensorManager.cpp b/core/jni/android_hardware_SensorManager.cpp
index 0b737a7..7d12230 100644
--- a/core/jni/android_hardware_SensorManager.cpp
+++ b/core/jni/android_hardware_SensorManager.cpp
@@ -18,6 +18,8 @@
 
 #include <map>
 
+#include <ScopedUtfChars.h>
+
 #include <utils/Log.h>
 #include <utils/Looper.h>
 
@@ -99,6 +101,9 @@
         if (string1 == NULL) {
             return string2 != NULL;
         }
+        if (string2 == NULL) {
+            return false;
+        }
         return string1->compare(*string2) < 0;
     }
 };
@@ -264,9 +269,12 @@
     }
 };
 
-static jlong nativeInitSensorEventQueue(JNIEnv *env, jclass clazz, jobject eventQ, jobject msgQ, jfloatArray scratch) {
+static jlong nativeInitSensorEventQueue(JNIEnv *env, jclass clazz, jobject eventQ, jobject msgQ,
+        jfloatArray scratch, jstring packageName) {
     SensorManager& mgr(SensorManager::getInstance());
-    sp<SensorEventQueue> queue(mgr.createEventQueue());
+    ScopedUtfChars packageUtf(env, packageName);
+    String8 clientName(packageUtf.c_str());
+    sp<SensorEventQueue> queue(mgr.createEventQueue(clientName));
 
     sp<MessageQueue> messageQueue = android_os_MessageQueue_getMessageQueue(env, msgQ);
     if (messageQueue == NULL) {
@@ -280,10 +288,11 @@
 }
 
 static jint nativeEnableSensor(JNIEnv *env, jclass clazz, jlong eventQ, jint handle, jint rate_us,
-                               jint maxBatchReportLatency, jint reservedFlags) {
+                               jint maxBatchReportLatency) {
     sp<Receiver> receiver(reinterpret_cast<Receiver *>(eventQ));
+
     return receiver->getSensorEventQueue()->enableSensor(handle, rate_us, maxBatchReportLatency,
-                                                         reservedFlags);
+                                                         0);
 }
 
 static jint nativeDisableSensor(JNIEnv *env, jclass clazz, jlong eventQ, jint handle) {
@@ -316,11 +325,11 @@
 
 static JNINativeMethod gBaseEventQueueMethods[] = {
     {"nativeInitBaseEventQueue",
-            "(Landroid/hardware/SystemSensorManager$BaseEventQueue;Landroid/os/MessageQueue;[F)J",
-            (void*)nativeInitSensorEventQueue },
+     "(Landroid/hardware/SystemSensorManager$BaseEventQueue;Landroid/os/MessageQueue;[FLjava/lang/String;)J",
+     (void*)nativeInitSensorEventQueue },
 
     {"nativeEnableSensor",
-            "(JIIII)I",
+            "(JIII)I",
             (void*)nativeEnableSensor },
 
     {"nativeDisableSensor",