msm8996-common: pocketmode: Allow control over PocketMode service

 * Once the service is running, proximity sensor is constantly active
   when the display is turned off, resulting into a residual increase
   in battery consumption. Add a toggle so that users can decide whether
   they accept that and prefer to prevent accidental wake-ups triggered
   by the fingerprint sensor.
 * Keep the receiver that listens for the screen status registered only
   if the fingerprint wake-up feature is enabled at the same time as
   the accidental wake-up prevention feature.
 * Set PocketMode as a required module of ConfigPanel, to make sure
   it is only shipped on devices building the latter.
 * The configpanel part is integrated in b07a633bdeda835867aa3dc5a033529d7bd712dc

Change-Id: Icfa23d2aef971e368476b6f1f7612493c2b69a20

3 files changed, 47 insertions, 15 deletions

diff --git a/pocketmode/src/org/lineageos/pocketmode/PocketModeService.java b/pocketmode/src/org/lineageos/pocketmode/PocketModeService.java
index 42658b9..3af4654 100644
--- a/pocketmode/src/org/lineageos/pocketmode/PocketModeService.java
+++ b/pocketmode/src/org/lineageos/pocketmode/PocketModeService.java
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016 The CyanogenMod Project
- * Copyright (c) 2018 The LineageOS Project
+ *               2018-2019 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,10 +25,18 @@ import android.content.IntentFilter;
 import android.os.IBinder;
 import android.util.Log;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class PocketModeService extends Service {
     private static final String TAG = "PocketModeService";
     private static final boolean DEBUG = false;
 
+    private static final String CUST_INTENT = "org.lineageos.settings.device.CUST_UPDATE";
+    private static final String CUST_INTENT_EXTRA = "pocketmode_service";
+
+    private static List<BroadcastReceiver> receivers = new ArrayList<BroadcastReceiver>();
+
     private ProximitySensor mProximitySensor;
 
     @Override
@@ -36,9 +44,8 @@ public class PocketModeService extends Service {
         if (DEBUG) Log.d(TAG, "Creating service");
         mProximitySensor = new ProximitySensor(this);
 
-        IntentFilter screenStateFilter = new IntentFilter(Intent.ACTION_SCREEN_ON);
-        screenStateFilter.addAction(Intent.ACTION_SCREEN_OFF);
-        registerReceiver(mScreenStateReceiver, screenStateFilter);
+        IntentFilter custFilter = new IntentFilter(CUST_INTENT);
+        registerReceiver(mUpdateReceiver, custFilter);
     }
 
     @Override
@@ -51,7 +58,10 @@ public class PocketModeService extends Service {
     public void onDestroy() {
         if (DEBUG) Log.d(TAG, "Destroying service");
         super.onDestroy();
-        this.unregisterReceiver(mScreenStateReceiver);
+        if (receivers.contains(mScreenStateReceiver)) {
+            this.unregisterReceiver(mScreenStateReceiver);
+        }
+        this.unregisterReceiver(mUpdateReceiver);
         mProximitySensor.disable();
     }
 
@@ -80,4 +90,20 @@ public class PocketModeService extends Service {
             }
         }
     };
+
+    private BroadcastReceiver mUpdateReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            if (intent.getBooleanExtra(CUST_INTENT_EXTRA, false)) {
+                IntentFilter screenStateFilter = new IntentFilter(Intent.ACTION_SCREEN_ON);
+                screenStateFilter.addAction(Intent.ACTION_SCREEN_OFF);
+                registerReceiver(mScreenStateReceiver, screenStateFilter);
+                receivers.add(mScreenStateReceiver);
+            } else if (receivers.contains(mScreenStateReceiver)) {
+                unregisterReceiver(mScreenStateReceiver);
+                receivers.remove(mScreenStateReceiver);
+                mProximitySensor.disable();
+            }
+        }
+    };
 }
diff --git a/pocketmode/src/org/lineageos/pocketmode/ProximitySensor.java b/pocketmode/src/org/lineageos/pocketmode/ProximitySensor.java
index c1af4e8..4f1402c 100644
--- a/pocketmode/src/org/lineageos/pocketmode/ProximitySensor.java
+++ b/pocketmode/src/org/lineageos/pocketmode/ProximitySensor.java
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016 The CyanogenMod Project
- * Copyright (c) 2018 The LineageOS Project
+ *               2018-2019 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -31,7 +31,7 @@ public class ProximitySensor implements SensorEventListener {
     private static final boolean DEBUG = false;
     private static final String TAG = "PocketModeProximity";
 
-    private static final String FPC_FILE = "/sys/devices/soc/soc:fpc1020/proximity_state";
+    private static final String FP_PROX_NODE = "/sys/devices/soc/soc:fpc1020/proximity_state";
 
     private SensorManager mSensorManager;
     private Sensor mSensor;
@@ -39,15 +39,16 @@ public class ProximitySensor implements SensorEventListener {
 
     public ProximitySensor(Context context) {
         mContext = context;
-        mSensorManager = mContext.getSystemService(SensorManager.class);
+        mSensorManager = (SensorManager)
+                mContext.getSystemService(Context.SENSOR_SERVICE);
         mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_PROXIMITY);
     }
 
     @Override
     public void onSensorChanged(SensorEvent event) {
         boolean isNear = event.values[0] < mSensor.getMaximumRange();
-        if (FileUtils.isFileWritable(FPC_FILE)) {
-            FileUtils.writeLine(FPC_FILE, isNear ? "1" : "0");
+        if (FileUtils.isFileWritable(FP_PROX_NODE)) {
+            FileUtils.writeLine(FP_PROX_NODE, isNear ? "1" : "0");
         }
     }
 
diff --git a/pocketmode/src/org/lineageos/pocketmode/BootCompletedReceiver.java b/pocketmode/src/org/lineageos/pocketmode/Startup.java
index b967946..39b3371 100644
--- a/pocketmode/src/org/lineageos/pocketmode/BootCompletedReceiver.java
+++ b/pocketmode/src/org/lineageos/pocketmode/Startup.java
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2016 The CyanogenMod Project
- * Copyright (c) 2018 The LineageOS Project
+ *               2018-2019 The LineageOS Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -20,15 +20,20 @@ package org.lineageos.pocketmode;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
+import android.os.UserHandle;
 import android.util.Log;
 
-public class BootCompletedReceiver extends BroadcastReceiver {
+public class Startup extends BroadcastReceiver {
 
     private static final String TAG = "ZukPocketMode";
 
     @Override
-    public void onReceive(final Context context, Intent intent) {
-        Log.d(TAG, "Starting");
-        context.startService(new Intent(context, PocketModeService.class));
+    public void onReceive(Context context, Intent intent) {
+        final String action = intent.getAction();
+        if (lineageos.content.Intent.ACTION_INITIALIZE_LINEAGE_HARDWARE.equals(action)) {
+            Log.d(TAG, "Starting");
+            context.startServiceAsUser(new Intent(context, PocketModeService.class),
+                    UserHandle.CURRENT);
+        }
     }
 }