| /* |
| * Copyright (C) 2010-2012 Regis Montoya (aka r3gis - www.r3gis.fr) |
| * Copyright (C) 2004-2013 Savoir-Faire Linux Inc. |
| * |
| * Author: Alexandre Lision <alexandre.lision@savoirfairelinux.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| * |
| * Additional permission under GNU GPL version 3 section 7: |
| * |
| * If you modify this program, or any covered work, by linking or |
| * combining it with the OpenSSL project's OpenSSL library (or a |
| * modified version of that library), containing parts covered by the |
| * terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc. |
| * grants you additional permission to convey the resulting work. |
| * Corresponding Source for a non-source form of such a combination |
| * shall include the source code for the parts of OpenSSL used as well |
| * as that of the covered work. |
| */ |
| package org.sflphone.utils; |
| |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| |
| import org.sflphone.utils.AccelerometerListener.OrientationListener; |
| |
| import android.content.Context; |
| import android.hardware.Sensor; |
| import android.hardware.SensorEvent; |
| import android.hardware.SensorEventListener; |
| import android.hardware.SensorManager; |
| import android.net.wifi.WifiManager; |
| import android.os.PowerManager; |
| import android.os.PowerManager.WakeLock; |
| import android.util.Log; |
| |
| /** |
| * Class to manage proximity detection while in call. |
| * |
| */ |
| public class CallProximityManager implements SensorEventListener, OrientationListener { |
| private static final String THIS_FILE = "CallProximityManager"; |
| |
| private Context mContext; |
| |
| private SensorManager sensorManager; |
| private PowerManager powerManager; |
| |
| // Timeout management of screen locker ui |
| // private ScreenLocker mScreenLocker; |
| private Boolean useTimeoutOverlay = null; |
| |
| // Self management of proximity sensor |
| private Sensor proximitySensor; |
| private static final float PROXIMITY_THRESHOLD = 5.0f; |
| private boolean invertProximitySensor = false; |
| private boolean proximitySensorTracked = false; |
| private boolean isFirstRun = true; |
| private ProximityDirector mDirector = null; |
| |
| // The hidden api that uses a wake lock |
| private WakeLock proximityWakeLock; |
| |
| // The accelerometer |
| private AccelerometerListener accelerometerManager; |
| private int mOrientation; |
| private boolean accelerometerEnabled = false; |
| |
| private int WAIT_FOR_PROXIMITY_NEGATIVE = 1; |
| // private final static int SCREEN_LOCKER_ACQUIRE_DELAY = "google_sdk".equals(Build.PRODUCT) ? ScreenLocker.WAIT_BEFORE_LOCK_LONG |
| // : ScreenLocker.WAIT_BEFORE_LOCK_SHORT; |
| |
| private static Method powerLockReleaseIntMethod; |
| |
| public interface ProximityDirector { |
| public boolean shouldActivateProximity(); |
| |
| public void onProximityTrackingChanged(boolean acquired); |
| } |
| |
| public CallProximityManager(Context context, ProximityDirector director) { |
| mContext = context; |
| mDirector = director; |
| // mScreenLocker = screenLocker; |
| |
| sensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE); |
| powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE); |
| accelerometerManager = new AccelerometerListener(context, this); |
| |
| // Try to detect the hidden api |
| if (powerManager != null) { |
| WifiManager wman = (WifiManager) context.getSystemService(Context.WIFI_SERVICE); |
| |
| // Try to use powermanager proximity sensor |
| try { |
| boolean supportProximity = false; |
| Field f = PowerManager.class.getDeclaredField("PROXIMITY_SCREEN_OFF_WAKE_LOCK"); |
| int proximityScreenOffWakeLock = (Integer) f.get(null); |
| if (Compatibility.isCompatible(17)) { |
| // Changes of the private API on android 4.2 |
| Method method = powerManager.getClass().getDeclaredMethod("isWakeLockLevelSupported", int.class); |
| supportProximity = (Boolean) method.invoke(powerManager, proximityScreenOffWakeLock); |
| Log.d(THIS_FILE, "Use 4.2 detection way for proximity sensor detection. Result is " + supportProximity); |
| } else { |
| Method method = powerManager.getClass().getDeclaredMethod("getSupportedWakeLockFlags"); |
| int supportedFlags = (Integer) method.invoke(powerManager); |
| Log.d(THIS_FILE, "Proxmity flags supported : " + supportedFlags); |
| supportProximity = ((supportedFlags & proximityScreenOffWakeLock) != 0x0); |
| } |
| if (supportProximity) { |
| Log.d(THIS_FILE, "We can use native screen locker !!"); |
| proximityWakeLock = powerManager.newWakeLock(proximityScreenOffWakeLock, "com.csipsimple.CallProximity"); |
| proximityWakeLock.setReferenceCounted(false); |
| } |
| |
| } catch (Exception e) { |
| Log.d(THIS_FILE, "Impossible to get power manager supported wake lock flags "); |
| } |
| if (powerLockReleaseIntMethod == null) { |
| try { |
| powerLockReleaseIntMethod = proximityWakeLock.getClass().getDeclaredMethod("release", int.class); |
| |
| } catch (Exception e) { |
| Log.d(THIS_FILE, "Impossible to get power manager release with it"); |
| } |
| |
| } |
| } |
| |
| // Try to detect a proximity sensor as fallback |
| if (proximityWakeLock == null) { |
| proximitySensor = sensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY); |
| // invertProximitySensor = SipConfigManager.getPreferenceBooleanValue(context, SipConfigManager.INVERT_PROXIMITY_SENSOR); |
| } |
| |
| } |
| |
| public synchronized void startTracking() { |
| // If we should manage it ourselves |
| if (proximitySensor != null && !proximitySensorTracked) { |
| // Fall back to manual mode |
| isFirstRun = true; |
| Log.d(THIS_FILE, "Register sensor"); |
| sensorManager.registerListener(this, proximitySensor, SensorManager.SENSOR_DELAY_NORMAL); |
| proximitySensorTracked = true; |
| } |
| if (!accelerometerEnabled) { |
| accelerometerManager.enable(true); |
| accelerometerEnabled = true; |
| } |
| } |
| |
| public synchronized void stopTracking() { |
| if (proximitySensor != null && proximitySensorTracked) { |
| proximitySensorTracked = false; |
| sensorManager.unregisterListener(this); |
| Log.d(THIS_FILE, "Unregister to sensor is done !!!"); |
| } |
| if (accelerometerEnabled) { |
| accelerometerManager.enable(false); |
| accelerometerEnabled = false; |
| } |
| // mScreenLocker.tearDown(); |
| } |
| |
| @Override |
| public void onAccuracyChanged(Sensor sensor, int accuracy) { |
| } |
| |
| @Override |
| public void onSensorChanged(SensorEvent event) { |
| // Log.d(THIS_FILE, "Tracked : "+proximitySensorTracked); |
| if (proximitySensorTracked && !isFirstRun) { |
| float distance = event.values[0]; |
| boolean active = (distance >= 0.0 && distance < PROXIMITY_THRESHOLD && distance < event.sensor.getMaximumRange()); |
| if (invertProximitySensor) { |
| active = !active; |
| } |
| Log.d(THIS_FILE, "Distance is now " + distance); |
| |
| boolean isValidCallState = false; |
| if (mDirector != null) { |
| isValidCallState = mDirector.shouldActivateProximity(); |
| } |
| |
| if (isValidCallState && active) { |
| // mScreenLocker.show(); |
| if (mDirector != null) { |
| mDirector.onProximityTrackingChanged(true); |
| } |
| } else { |
| // mScreenLocker.hide(); |
| if (mDirector != null) { |
| mDirector.onProximityTrackingChanged(false); |
| } |
| } |
| |
| } |
| if (isFirstRun) { |
| isFirstRun = false; |
| } |
| } |
| |
| private boolean isProximityWakeHeld = false; |
| |
| /** |
| * Release any lock taken by the proximity sensor |
| */ |
| public synchronized void release(int flag) { |
| if (proximityWakeLock != null && isProximityWakeHeld) { |
| boolean usedNewRelease = false; |
| if (powerLockReleaseIntMethod != null) { |
| try { |
| powerLockReleaseIntMethod.invoke(proximityWakeLock, flag); |
| usedNewRelease = true; |
| // Log.d(THIS_FILE, "CALL NEW RELEASE WITH FLAG " + flag); |
| } catch (Exception e) { |
| Log.d(THIS_FILE, "Error calling new release method ", e); |
| } |
| } |
| if (!usedNewRelease) { |
| proximityWakeLock.release(); |
| } |
| isProximityWakeHeld = false; |
| } |
| |
| if (shouldUseTimeoutOverlay()) { |
| // mScreenLocker.hide(); |
| } |
| // Notify |
| if (mDirector != null) { |
| mDirector.onProximityTrackingChanged(false); |
| } |
| } |
| |
| public synchronized void acquire() { |
| if (proximityWakeLock != null && !isProximityWakeHeld) { |
| proximityWakeLock.acquire(); |
| isProximityWakeHeld = true; |
| } |
| if (shouldUseTimeoutOverlay()) { |
| // mScreenLocker.delayedLock(SCREEN_LOCKER_ACQUIRE_DELAY); |
| } |
| // Notify |
| if (mDirector != null) { |
| mDirector.onProximityTrackingChanged(true); |
| } |
| } |
| |
| /** |
| * Update proximity lock mode depending on current state |
| */ |
| public synchronized void updateProximitySensorMode() { |
| |
| // We do not keep the screen off when the user is outside in-call screen and we are |
| // horizontal, but we do not force it on when we become horizontal until the |
| // proximity sensor goes negative. |
| boolean horizontal = (mOrientation == AccelerometerListener.ORIENTATION_HORIZONTAL); |
| |
| boolean activeRegardingCalls = false; |
| if (mDirector != null) { |
| activeRegardingCalls = mDirector.shouldActivateProximity(); |
| } |
| |
| Log.d(THIS_FILE, "Horizontal : " + horizontal + " and activate for calls " + activeRegardingCalls); |
| if (activeRegardingCalls && !horizontal) { |
| // Phone is in use! Arrange for the screen to turn off |
| // automatically when the sensor detects a close object. |
| acquire(); |
| } else { |
| // Phone is either idle, or ringing. We don't want any |
| // special proximity sensor behavior in either case. |
| int flags = (!horizontal ? 0 : WAIT_FOR_PROXIMITY_NEGATIVE); |
| release(flags); |
| } |
| } |
| |
| /** |
| * Should the application display the overlay after a timeout. |
| * |
| * @return false if we are in table mode or if proximity sensor can be used |
| */ |
| private boolean shouldUseTimeoutOverlay() { |
| if (useTimeoutOverlay == null) { |
| useTimeoutOverlay = proximitySensor == null && proximityWakeLock == null && !Compatibility.isTabletScreen(mContext); |
| } |
| return useTimeoutOverlay; |
| } |
| |
| public void restartTimer() { |
| if (shouldUseTimeoutOverlay()) { |
| // mScreenLocker.delayedLock(ScreenLocker.WAIT_BEFORE_LOCK_LONG); |
| } |
| } |
| |
| @Override |
| public void orientationChanged(int orientation) { |
| mOrientation = orientation; |
| updateProximitySensorMode(); |
| } |
| |
| } |