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Commit 13edf0a7 authored by Julius D'souza's avatar Julius D'souza
Browse files

DO NOT MERGE ANYWHERE: Make slow brightness display ramp rate configurable. 

Add overlay setting with current default value.

Bug: 30085530
Change-Id: Ib5d2448b88cfb66a97febcdf06e2118c84b16cd0
parent a8e21860

core/res/res/values/config.xml

+4 −1
Original line number Diff line number Diff line
@@ -538,9 +538,12 @@ 
         Software implementation will be used if config_hardware_auto_brightness_available is not set -->

    <bool name="config_automatic_brightness_available">false</bool>



    <!-- Fast brightness animation ramp rate -->

    <!-- Fast brightness animation ramp rate in brightness units per second-->

    <integer translatable="false" name="config_brightness_ramp_rate_fast">200</integer>



    <!-- Slow brightness animation ramp rate in brightness units per second-->

    <integer translatable="false" name="config_brightness_ramp_rate_slow">40</integer>



    <!-- Don't name config resources like this.  It should look like config_annoyDianne -->

    <bool name="config_annoy_dianne">true</bool>

core/res/res/values/symbols.xml

+1 −0
Original line number Diff line number Diff line
@@ -1722,6 +1722,7 @@ 
  <java-symbol type="integer" name="config_undockedHdmiRotation" />

  <java-symbol type="integer" name="config_virtualKeyQuietTimeMillis" />

  <java-symbol type="integer" name="config_brightness_ramp_rate_fast" />

  <java-symbol type="integer" name="config_brightness_ramp_rate_slow" />

  <java-symbol type="layout" name="am_compat_mode_dialog" />

  <java-symbol type="layout" name="launch_warning" />

  <java-symbol type="layout" name="safe_mode" />

services/core/java/com/android/server/display/DisplayPowerController.java

+5 −5
Original line number Diff line number Diff line
@@ -102,9 +102,6 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
    // Trigger proximity if distance is less than 5 cm.

    private static final float TYPICAL_PROXIMITY_THRESHOLD = 5.0f;



    // Brightness animation ramp rate in brightness units per second.

    private static final int BRIGHTNESS_RAMP_RATE_SLOW = 40;



    private static final int REPORTED_TO_POLICY_SCREEN_OFF = 0;

    private static final int REPORTED_TO_POLICY_SCREEN_TURNING_ON = 1;

    private static final int REPORTED_TO_POLICY_SCREEN_ON = 2;
@@ -243,8 +240,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
    private boolean mAppliedDimming;

    private boolean mAppliedLowPower;



    // Brightness ramp rate fast.

    // Brightness animation ramp rates in brightness units per second

    private final int mBrightnessRampRateFast;

    private final int mBrightnessRampRateSlow;



    // The controller for the automatic brightness level.

    private AutomaticBrightnessController mAutomaticBrightnessController;
@@ -307,6 +305,8 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 


        mBrightnessRampRateFast = resources.getInteger(

                com.android.internal.R.integer.config_brightness_ramp_rate_fast);

        mBrightnessRampRateSlow = resources.getInteger(

                com.android.internal.R.integer.config_brightness_ramp_rate_slow);



        int lightSensorRate = resources.getInteger(

                com.android.internal.R.integer.config_autoBrightnessLightSensorRate);
@@ -691,7 +691,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
        if (!mPendingScreenOff) {

            if (state == Display.STATE_ON || state == Display.STATE_DOZE) {

                animateScreenBrightness(brightness,

                        slowChange ? BRIGHTNESS_RAMP_RATE_SLOW : mBrightnessRampRateFast);

                        slowChange ? mBrightnessRampRateSlow : mBrightnessRampRateFast);

            } else {

                animateScreenBrightness(brightness, 0);

            }