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Code drop from //branches/cupcake/...@124589

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The Android Open Source Project
2008-12-17 18:05:43 -08:00
parent e70cfafe58
commit f013e1afd1
2174 changed files with 1467257 additions and 57598 deletions
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125
services/java/com/android/server/SensorService.java
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@@ -16,24 +16,20 @@
package com.android.server;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.hardware.ISensorService;
import android.hardware.SensorManager;
import android.os.Binder;
import android.os.ParcelFileDescriptor;
import android.os.RemoteException;
import android.os.IBinder;
import android.os.SystemProperties;
import android.util.Config;
import android.util.Log;
import com.android.internal.R;
import java.util.ArrayList;
import com.android.internal.app.IBatteryStats;
import com.android.server.am.BatteryStatsService;
/**
* Class that manages the device's sensors. It register clients and activate
@@ -43,46 +39,50 @@ import java.util.ArrayList;
*/
class SensorService extends ISensorService.Stub {
private static final int SENSOR_NOTIFICATION_ACCURACY_LEVEL = 1;
private static final String TAG = SensorService.class.getSimpleName();
static final String TAG = SensorService.class.getSimpleName();
private static final boolean DEBUG = false;
private static final boolean localLOGV = DEBUG ? Config.LOGD : Config.LOGV;
private static final int SENSOR_DISABLE = -1;
private NotificationManager mNotificationManager;
private int mCompassAccuracy = -1;
private final Context mContext;
/**
* Battery statistics to be updated when sensors are enabled and diabled.
*/
final IBatteryStats mBatteryStats = BatteryStatsService.getService();
private final class Listener implements IBinder.DeathRecipient {
final IBinder mListener;
final IBinder mToken;
int mSensors = 0;
int mDelay = 0x7FFFFFFF;
Listener(IBinder listener) {
mListener = listener;
Listener(IBinder token) {
mToken = token;
}
void addSensor(int sensor, int delay) {
mSensors |= sensor;
mSensors |= (1<<sensor);
if (mDelay > delay)
mDelay = delay;
}
void removeSensor(int sensor) {
mSensors &= ~sensor;
mSensors &= ~(1<<sensor);
}
boolean hasSensor(int sensor) {
return ((mSensors & sensor) != 0);
return ((mSensors & (1<<sensor)) != 0);
}
public void binderDied() {
if (localLOGV) Log.d(TAG, "sensor listener died");
synchronized(mListeners) {
mListeners.remove(this);
for (int sensor = SensorManager.SENSOR_MAX; sensor > 0; sensor >>>= 1) {
mToken.unlinkToDeath(this, 0);
// go through the lists of sensors used by the listener that
// died and deactivate them.
for (int sensor=0 ; sensor<32 && mSensors!=0 ; sensor++) {
if (hasSensor(sensor)) {
removeSensor(sensor);
try {
deactivateIfUnused(sensor);
} catch (RemoteException e) {
@@ -95,60 +95,31 @@ class SensorService extends ISensorService.Stub {
}
}
@SuppressWarnings("unused")
public SensorService(Context context) {
if (localLOGV) Log.d(TAG, "SensorService startup");
_sensors_control_init();
mNotificationManager = (NotificationManager)context.getSystemService(Context.NOTIFICATION_SERVICE);
mContext = context;
}
public ParcelFileDescriptor getDataChanel() throws RemoteException {
return _sensors_control_open();
}
public void reportAccuracy(int sensor, int value) {
if ((sensor & (SensorManager.SENSOR_ORIENTATION|SensorManager.SENSOR_ORIENTATION_RAW)) != 0) {
synchronized (mNotificationManager) {
if (value != mCompassAccuracy) {
Log.d(TAG, "Compass needs calibration, accuracy=" + value);
if (!SystemProperties.getBoolean("debug.sensors.notification", false)) {
// don't show the sensors notification by default
return;
}
mCompassAccuracy = value;
if (value == -1) {
mNotificationManager.cancel(0);
} else {
if (value <= SENSOR_NOTIFICATION_ACCURACY_LEVEL) {
long token = Binder.clearCallingIdentity();
try {
CharSequence banner = mContext.getString(R.string.compass_accuracy_banner);
CharSequence title = mContext.getString(R.string.compass_accuracy_notificaction_title);
CharSequence body = mContext.getString(R.string.compass_accuracy_notificaction_body);
Notification n = new Notification(R.drawable.stat_notify_calibrate_compass,
banner, System.currentTimeMillis());
Intent bogusIntent = new Intent(mContext, SensorService.class);
PendingIntent contentIntent = PendingIntent.getActivity(mContext, 0, bogusIntent,
PendingIntent.FLAG_CANCEL_CURRENT|PendingIntent.FLAG_ONE_SHOT);
n.setLatestEventInfo(mContext, title, body, contentIntent);
mNotificationManager.notify(0, n);
} finally {
Binder.restoreCallingIdentity(token);
}
} else {
mNotificationManager.cancel(0);
}
}
}
}
}
}
public boolean enableSensor(IBinder listener, int sensor, int enable)
public boolean enableSensor(IBinder binder, int sensor, int enable)
throws RemoteException {
if (localLOGV) Log.d(TAG, "enableSensor " + sensor + " " + enable);
// Inform battery statistics service of status change
int uid = Binder.getCallingUid();
long identity = Binder.clearCallingIdentity();
if (enable == SENSOR_DISABLE) {
mBatteryStats.noteStopSensor(uid, sensor);
} else {
mBatteryStats.noteStartSensor(uid, sensor);
}
Binder.restoreCallingIdentity(identity);
if (listener == null) throw new NullPointerException("listener is null in enableSensor");
if (binder == null) throw new NullPointerException("listener is null in enableSensor");
synchronized(mListeners) {
if (enable!=SENSOR_DISABLE && !_sensors_control_activate(sensor, true)) {
@@ -156,22 +127,18 @@ class SensorService extends ISensorService.Stub {
return false;
}
IBinder binder = listener;
Listener l = null;
int minDelay = enable;
int size = mListeners.size();
for (int i = 0; i < size ; i++) {
Listener test = mListeners.get(i);
if (binder.equals(test.mListener)) {
l = test;
for (Listener listener : mListeners) {
if (binder == listener.mToken) {
l = listener;
}
if (minDelay > test.mDelay)
minDelay = test.mDelay;
if (minDelay > listener.mDelay)
minDelay = listener.mDelay;
}
if (l == null && enable!=SENSOR_DISABLE) {
l = new Listener(listener);
l = new Listener(binder);
binder.linkToDeath(l, 0);
mListeners.add(l);
mListeners.notify();
@@ -182,7 +149,7 @@ class SensorService extends ISensorService.Stub {
}
if (minDelay >= 0) {
_sensors_control_set_delay(minDelay);
_sensors_control_set_delay(minDelay);
}
if (enable != SENSOR_DISABLE) {
@@ -196,24 +163,28 @@ class SensorService extends ISensorService.Stub {
mListeners.notify();
}
}
if (mListeners.size() == 0) {
_sensors_control_wake();
}
}
return true;
}
private void deactivateIfUnused(int sensor) throws RemoteException {
void deactivateIfUnused(int sensor) throws RemoteException {
int size = mListeners.size();
for (int i = 0; i < size ; i++) {
for (int i=0 ; i<size ; i++) {
if (mListeners.get(i).hasSensor(sensor))
return;
}
_sensors_control_activate(sensor, false);
reportAccuracy(sensor, -1);
}
private ArrayList<Listener> mListeners = new ArrayList<Listener>();
ArrayList<Listener> mListeners = new ArrayList<Listener>();
private static native int _sensors_control_init();
private static native ParcelFileDescriptor _sensors_control_open();
private static native boolean _sensors_control_activate(int sensor, boolean activate);
private static native int _sensors_control_set_delay(int ms);
private static native int _sensors_control_wake();
}