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DO NOT MERGE ANYWHERE: Make display brightness ramp rate fast configurable

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Add an overlay setting, and keep the default to its existing value of
200.

Bug: 26552257
Change-Id: Ifd29d80e28e57c5cfc640d519a62144ab5e963fa
This commit is contained in:
Prashant Malani
2016-03-29 16:32:37 -07:00
committed by Julius D'souza
parent 0d05028ba8
commit 61038ddb61
3 changed files with 11 additions and 2 deletions
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3
core/res/res/values/config.xml
View File

@@ -538,6 +538,9 @@
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 -->
<integer translatable="false" name="config_brightness_ramp_rate_fast">200</integer>
<!-- Don't name config resources like this. It should look like config_annoyDianne -->
<bool name="config_annoy_dianne">true</bool>

1
core/res/res/values/symbols.xml
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@@ -1721,6 +1721,7 @@
<java-symbol type="integer" name="config_shutdownBatteryTemperature" />
<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="layout" name="am_compat_mode_dialog" />
<java-symbol type="layout" name="launch_warning" />
<java-symbol type="layout" name="safe_mode" />

9
services/core/java/com/android/server/display/DisplayPowerController.java
View File

@@ -103,7 +103,6 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
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_FAST = 200;
private static final int BRIGHTNESS_RAMP_RATE_SLOW = 40;
private static final int REPORTED_TO_POLICY_SCREEN_OFF = 0;
@@ -244,6 +243,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
private boolean mAppliedDimming;
private boolean mAppliedLowPower;
// Brightness ramp rate fast.
private final int mBrightnessRampRateFast;
// The controller for the automatic brightness level.
private AutomaticBrightnessController mAutomaticBrightnessController;
@@ -303,6 +305,9 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call
mAllowAutoBrightnessWhileDozingConfig = resources.getBoolean(
com.android.internal.R.bool.config_allowAutoBrightnessWhileDozing);
mBrightnessRampRateFast = resources.getInteger(
com.android.internal.R.integer.config_brightness_ramp_rate_fast);
int lightSensorRate = resources.getInteger(
com.android.internal.R.integer.config_autoBrightnessLightSensorRate);
long brighteningLightDebounce = resources.getInteger(
@@ -686,7 +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 : BRIGHTNESS_RAMP_RATE_FAST);
slowChange ? BRIGHTNESS_RAMP_RATE_SLOW : mBrightnessRampRateFast);
} else {
animateScreenBrightness(brightness, 0);
}