Merge "AOD: Introduce night brightness bucket" into oc-dr1-dev
am: 6b978e0106

Change-Id: Ic38d249c68646a4ae4c4d34d0f4a612f75d5bbbd
diff --git a/packages/SystemUI/res/values/config.xml b/packages/SystemUI/res/values/config.xml
index ed200ad..5917dc5 100644
--- a/packages/SystemUI/res/values/config.xml
+++ b/packages/SystemUI/res/values/config.xml
@@ -267,14 +267,15 @@
     <!-- Doze: alpha to apply to small icons when dozing -->
     <integer name="doze_small_icon_alpha">222</integer><!-- 87% of 0xff -->
 
-    <!-- Doze: the brightness value to use for the lower brightness AOD mode -->
-    <integer name="config_doze_aod_brightness_low">5</integer>
-
-    <!-- Doze: the brightness value to use for the higher brightness AOD mode -->
-    <integer name="config_doze_aod_brightness_high">27</integer>
-
-    <!-- Doze: the brightness value to use for the sunlight AOD mode -->
-    <integer name="config_doze_aod_brightness_sunlight">28</integer>
+    <!-- Doze: Table that translates sensor values from the doze_brightness_sensor_type sensor
+               to brightness values; -1 means keeping the current brightness. -->
+    <integer-array name="config_doze_brightness_sensor_to_brightness">
+        <item>-1</item> <!-- 0: OFF -->
+        <item>2</item> <!-- 1: NIGHT -->
+        <item>5</item> <!-- 2: LOW -->
+        <item>27</item> <!-- 3: HIGH -->
+        <item>28</item> <!-- 4: SUN -->
+    </integer-array>
 
     <!-- Doze: whether the double tap sensor reports 2D touch coordinates -->
     <bool name="doze_double_tap_reports_touch_coordinates">false</bool>
diff --git a/packages/SystemUI/src/com/android/systemui/doze/DozeScreenBrightness.java b/packages/SystemUI/src/com/android/systemui/doze/DozeScreenBrightness.java
index ed4b131..32baf94 100644
--- a/packages/SystemUI/src/com/android/systemui/doze/DozeScreenBrightness.java
+++ b/packages/SystemUI/src/com/android/systemui/doze/DozeScreenBrightness.java
@@ -35,12 +35,9 @@
     private final Handler mHandler;
     private final SensorManager mSensorManager;
     private final Sensor mLightSensor;
+    private final int[] mSensorToBrightness;
     private boolean mRegistered;
 
-    private final int mHighBrightness;
-    private final int mLowBrightness;
-    private final int mSunlightBrightness;
-
     public DozeScreenBrightness(Context context, DozeMachine.Service service,
             SensorManager sensorManager, Sensor lightSensor, Handler handler) {
         mContext = context;
@@ -49,12 +46,8 @@
         mLightSensor = lightSensor;
         mHandler = handler;
 
-        mLowBrightness = context.getResources().getInteger(
-                R.integer.config_doze_aod_brightness_low);
-        mHighBrightness = context.getResources().getInteger(
-                R.integer.config_doze_aod_brightness_high);
-        mSunlightBrightness = context.getResources().getInteger(
-                R.integer.config_doze_aod_brightness_sunlight);
+        mSensorToBrightness = context.getResources().getIntArray(
+                R.array.config_doze_brightness_sensor_to_brightness);
     }
 
     @Override
@@ -81,21 +74,18 @@
     @Override
     public void onSensorChanged(SensorEvent event) {
         if (mRegistered) {
-            mDozeService.setDozeScreenBrightness(computeBrightness((int) event.values[0]));
+            int brightness = computeBrightness((int) event.values[0]);
+            if (brightness > 0) {
+                mDozeService.setDozeScreenBrightness(brightness);
+            }
         }
     }
 
     private int computeBrightness(int sensorValue) {
-        // The sensor reports 0 for off, 1 for low brightness, 2 for high brightness, and 3 for
-        // sunlight. We currently use DozeScreenState for screen off, so we treat off as low
-        // brightness.
-        if (sensorValue >= 3) {
-            return mSunlightBrightness;
-        } else if (sensorValue == 2) {
-            return mHighBrightness;
-        } else {
-            return mLowBrightness;
+        if (sensorValue < 0 || sensorValue >= mSensorToBrightness.length) {
+            return -1;
         }
+        return mSensorToBrightness[sensorValue];
     }
 
     @Override