Doze: Manage screen state + brightness when teasing.

Bug:15863249
Change-Id: I2e9574afd58594d1895777024529e90815c66913

packages/SystemUI/res/values/config.xml

@@ -159,8 +159,14 @@
     <!-- Set to true to enable the user switcher on the keyguard. -->
     <bool name="config_keyguardUserSwitcher">false</bool>
 
+    <!-- Doze: does this device support STATE_DOZE and STATE_DOZE_SUSPEND?  -->
+    <bool name="doze_display_state_supported">false</bool>
+
     <!-- Doze: should the significant motion sensor be used as a tease signal? -->
-    <bool name="doze_tease_on_significant_motion">true</bool>
+    <bool name="doze_tease_on_significant_motion">false</bool>
+
+    <!-- Doze: maximum brightness to use when teasing -->
+    <integer name="doze_tease_brightness">80</integer>
 
     <!-- Volume: time to delay dismissing the volume panel after a click is performed -->
     <integer name="volume_panel_dismiss_delay">200</integer>

packages/SystemUI/src/com/android/systemui/doze/DozeService.java

@@ -16,20 +16,27 @@
 
 package com.android.systemui.doze;
 
+import static android.os.PowerManager.BRIGHTNESS_OFF;
+import static android.os.PowerManager.BRIGHTNESS_ON;
+
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.res.Resources;
 import android.hardware.Sensor;
 import android.hardware.SensorManager;
 import android.hardware.TriggerEvent;
 import android.hardware.TriggerEventListener;
+import android.os.Handler;
 import android.os.PowerManager;
 import android.os.SystemProperties;
 import android.os.Vibrator;
 import android.service.dreams.DozeHardware;
 import android.service.dreams.DreamService;
 import android.util.Log;
+import android.util.MathUtils;
+import android.view.Display;
 
 import com.android.systemui.R;
 import com.android.systemui.SystemUIApplication;
@@ -38,12 +45,14 @@ import java.io.FileDescriptor;
 import java.io.PrintWriter;
 
 public class DozeService extends DreamService {
-    private static final boolean DEBUG = false;
+    private static final String TAG = "DozeService";
+    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
 
     private static final String TEASE_ACTION = "com.android.systemui.doze.tease";
 
-    private final String mTag = String.format("DozeService.%08x", hashCode());
+    private final String mTag = String.format(TAG + ".%08x", hashCode());
     private final Context mContext = this;
+    private final Handler mHandler = new Handler();
 
     private Host mHost;
     private DozeHardware mDozeHardware;
@@ -51,10 +60,13 @@ public class DozeService extends DreamService {
     private Sensor mSigMotionSensor;
     private PowerManager mPowerManager;
     private PowerManager.WakeLock mWakeLock;
+    private int mMaxBrightness;
     private boolean mDreaming;
     private boolean mTeaseReceiverRegistered;
     private boolean mSigMotionConfigured;
     private boolean mSigMotionEnabled;
+    private boolean mDisplayStateSupported;
+    private int mDisplayStateWhenOn;
 
     public DozeService() {
         if (DEBUG) Log.d(mTag, "new DozeService()");
@@ -70,6 +82,8 @@ public class DozeService extends DreamService {
         pw.print("  mSigMotionSensor: "); pw.println(mSigMotionSensor);
         pw.print("  mSigMotionConfigured: "); pw.println(mSigMotionConfigured);
         pw.print("  mSigMotionEnabled: "); pw.println(mSigMotionEnabled);
+        pw.print("  mMaxBrightness: "); pw.println(mMaxBrightness);
+        pw.print("  mDisplayStateSupported: "); pw.println(mDisplayStateSupported);
     }
 
     @Override
@@ -88,8 +102,16 @@ public class DozeService extends DreamService {
         mSigMotionSensor = mSensors.getDefaultSensor(Sensor.TYPE_SIGNIFICANT_MOTION);
         mPowerManager = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);
         mWakeLock = mPowerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, mTag);
+        final Resources res = mContext.getResources();
         mSigMotionConfigured = SystemProperties.getBoolean("doze.tease.sigmotion",
-                mContext.getResources().getBoolean(R.bool.doze_tease_on_significant_motion));
+                res.getBoolean(R.bool.doze_tease_on_significant_motion));
+        mDisplayStateSupported = SystemProperties.getBoolean("doze.display.supported",
+                res.getBoolean(R.bool.doze_display_state_supported));
+        mMaxBrightness = MathUtils.constrain(res.getInteger(R.integer.doze_tease_brightness),
+                BRIGHTNESS_OFF, BRIGHTNESS_ON);
+
+        mDisplayStateWhenOn = mDisplayStateSupported ? Display.STATE_DOZE : Display.STATE_ON;
+        setDozeScreenState(mDisplayStateWhenOn);
     }
 
     @Override
@@ -112,9 +134,18 @@ public class DozeService extends DreamService {
     public void stayAwake(long millis) {
         if (mDreaming && millis > 0) {
             mWakeLock.acquire(millis);
+            setDozeScreenState(mDisplayStateWhenOn);
+            setDozeScreenBrightness(mMaxBrightness);
+            rescheduleOff(millis);
         }
     }
 
+    private void rescheduleOff(long millis) {
+        if (DEBUG) Log.d(TAG, "rescheduleOff millis=" + millis);
+        mHandler.removeCallbacks(mDisplayOff);
+        mHandler.postDelayed(mDisplayOff, millis);
+    }
+
     public void startDozing() {
         if (DEBUG) Log.d(mTag, "startDozing mDreaming=" + mDreaming);
         if (!mDreaming) {
@@ -225,6 +256,15 @@ public class DozeService extends DreamService {
         return sb.append(']').toString();
     }
 
+    private final Runnable mDisplayOff = new Runnable() {
+        @Override
+        public void run() {
+            if (DEBUG) Log.d(TAG, "Display off");
+            setDozeScreenState(Display.STATE_OFF);
+            setDozeScreenBrightness(PowerManager.BRIGHTNESS_DEFAULT);
+        }
+    };
+
     private final TriggerEventListener mSigMotionListener = new TriggerEventListener() {
         @Override
         public void onTrigger(TriggerEvent event) {

packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java

@@ -44,12 +44,13 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener {
     private static final int TAG_KEY_ANIM = R.id.scrim;
 
     private static final int NUM_TEASES = 3;
-    private static final long TEASE_IN_ANIMATION_DURATION = 500;
-    private static final long TEASE_VISIBLE_DURATION = 3000;
+    private static final long TEASE_IN_ANIMATION_DURATION = 1000;
+    private static final long TEASE_VISIBLE_DURATION = 2000;
     private static final long TEASE_OUT_ANIMATION_DURATION = 1000;
     private static final long TEASE_INVISIBLE_DURATION = 1000;
     private static final long TEASE_DURATION = TEASE_IN_ANIMATION_DURATION
             + TEASE_VISIBLE_DURATION + TEASE_OUT_ANIMATION_DURATION + TEASE_INVISIBLE_DURATION;
+    private static final long PRE_TEASE_DELAY = 1000;
 
     private final View mScrimBehind;
     private final View mScrimInFront;
@@ -128,8 +129,8 @@ public class ScrimController implements ViewTreeObserver.OnPreDrawListener {
     public long tease() {
         if (!mDozing) return 0;
         mTeasesRemaining = NUM_TEASES;
-        mScrimInFront.post(mTeaseIn);
-        return NUM_TEASES * TEASE_DURATION;
+        mScrimInFront.postDelayed(mTeaseIn, PRE_TEASE_DELAY);
+        return PRE_TEASE_DELAY + NUM_TEASES * TEASE_DURATION;
     }
 
     private void cancelTeasing() {