Fix displayed brightness value in settings.

Change BrightnessLevelPreferenceController to use float values for
brightness instead of the int system.

Change tests to use correct values and floats.

Bug: b/150099686

Test: m -j99 RunSettingsRoboTests
ROBOTEST_FILTER="com.android.settings.display.BrightnessLevelPreferenceControllerTest",  manual

Change-Id: I1a6e06b4f5532b641d766f770be351b8ca827664
This commit is contained in:
Fiona Campbell
2020-03-03 16:48:47 +00:00
parent 856079384a
commit bf6624b603
2 changed files with 43 additions and 35 deletions

View File

@@ -14,7 +14,8 @@
package com.android.settings.display; package com.android.settings.display;
import static com.android.settingslib.display.BrightnessUtils.GAMMA_SPACE_MAX; import static com.android.settingslib.display.BrightnessUtils.GAMMA_SPACE_MAX;
import static com.android.settingslib.display.BrightnessUtils.convertLinearToGamma; import static com.android.settingslib.display.BrightnessUtils.GAMMA_SPACE_MIN;
import static com.android.settingslib.display.BrightnessUtils.convertLinearToGammaFloat;
import android.content.ContentResolver; import android.content.ContentResolver;
import android.content.Context; import android.content.Context;
@@ -52,16 +53,16 @@ public class BrightnessLevelPreferenceController extends AbstractPreferenceContr
private static final Uri BRIGHTNESS_FOR_VR_URI; private static final Uri BRIGHTNESS_FOR_VR_URI;
private static final Uri BRIGHTNESS_ADJ_URI; private static final Uri BRIGHTNESS_ADJ_URI;
private final int mMinBrightness; private final float mMinBrightness;
private final int mMaxBrightness; private final float mMaxBrightness;
private final int mMinVrBrightness; private final float mMinVrBrightness;
private final int mMaxVrBrightness; private final float mMaxVrBrightness;
private final ContentResolver mContentResolver; private final ContentResolver mContentResolver;
private Preference mPreference; private Preference mPreference;
static { static {
BRIGHTNESS_URI = System.getUriFor(System.SCREEN_BRIGHTNESS); BRIGHTNESS_URI = System.getUriFor(System.SCREEN_BRIGHTNESS_FLOAT);
BRIGHTNESS_FOR_VR_URI = System.getUriFor(System.SCREEN_BRIGHTNESS_FOR_VR); BRIGHTNESS_FOR_VR_URI = System.getUriFor(System.SCREEN_BRIGHTNESS_FOR_VR);
BRIGHTNESS_ADJ_URI = System.getUriFor(System.SCREEN_AUTO_BRIGHTNESS_ADJ); BRIGHTNESS_ADJ_URI = System.getUriFor(System.SCREEN_AUTO_BRIGHTNESS_ADJ);
} }
@@ -80,10 +81,14 @@ public class BrightnessLevelPreferenceController extends AbstractPreferenceContr
lifecycle.addObserver(this); lifecycle.addObserver(this);
} }
PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE); PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
mMinBrightness = powerManager.getMinimumScreenBrightnessSetting(); mMinBrightness = powerManager.getBrightnessConstraint(
mMaxBrightness = powerManager.getMaximumScreenBrightnessSetting(); PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MINIMUM);
mMinVrBrightness = powerManager.getMinimumScreenBrightnessForVrSetting(); mMaxBrightness = powerManager.getBrightnessConstraint(
mMaxVrBrightness = powerManager.getMaximumScreenBrightnessForVrSetting(); PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MAXIMUM);
mMinVrBrightness = powerManager.getBrightnessConstraint(
PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MINIMUM_VR);
mMaxVrBrightness = powerManager.getBrightnessConstraint(
PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MAXIMUM_VR);
mContentResolver = mContext.getContentResolver(); mContentResolver = mContext.getContentResolver();
} }
@@ -129,16 +134,15 @@ public class BrightnessLevelPreferenceController extends AbstractPreferenceContr
private double getCurrentBrightness() { private double getCurrentBrightness() {
final int value; final int value;
if (isInVrMode()) { if (isInVrMode()) {
value = convertLinearToGamma(System.getInt(mContentResolver, value = convertLinearToGammaFloat(System.getFloat(mContentResolver,
System.SCREEN_BRIGHTNESS_FOR_VR, mMaxBrightness), System.SCREEN_BRIGHTNESS_FOR_VR_FLOAT, mMaxBrightness),
mMinVrBrightness, mMaxVrBrightness); mMinVrBrightness, mMaxVrBrightness);
} else { } else {
value = convertLinearToGamma(Settings.System.getInt(mContentResolver, value = convertLinearToGammaFloat(Settings.System.getFloat(mContentResolver,
System.SCREEN_BRIGHTNESS, mMinBrightness), System.SCREEN_BRIGHTNESS_FLOAT, mMinBrightness),
mMinBrightness, mMaxBrightness); mMinBrightness, mMaxBrightness);
} }
return getPercentage(value, 0, GAMMA_SPACE_MAX); return getPercentage(value, GAMMA_SPACE_MIN, GAMMA_SPACE_MAX);
} }
private double getPercentage(double value, int min, int max) { private double getPercentage(double value, int min, int max) {

View File

@@ -67,10 +67,14 @@ public class BrightnessLevelPreferenceControllerTest {
MockitoAnnotations.initMocks(this); MockitoAnnotations.initMocks(this);
mContext = RuntimeEnvironment.application; mContext = RuntimeEnvironment.application;
mContentResolver = mContext.getContentResolver(); mContentResolver = mContext.getContentResolver();
when(mPowerManager.getMinimumScreenBrightnessSetting()).thenReturn(0); when(mPowerManager.getBrightnessConstraint(
when(mPowerManager.getMaximumScreenBrightnessSetting()).thenReturn(100); PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MINIMUM)).thenReturn(0.0f);
when(mPowerManager.getMinimumScreenBrightnessForVrSetting()).thenReturn(0); when(mPowerManager.getBrightnessConstraint(
when(mPowerManager.getMaximumScreenBrightnessForVrSetting()).thenReturn(100); PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MAXIMUM)).thenReturn(1.0f);
when(mPowerManager.getBrightnessConstraint(
PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MINIMUM_VR)).thenReturn(0.0f);
when(mPowerManager.getBrightnessConstraint(
PowerManager.BRIGHTNESS_CONSTRAINT_TYPE_MAXIMUM_VR)).thenReturn(1.0f);
ShadowApplication.getInstance().setSystemService(POWER_SERVICE, ShadowApplication.getInstance().setSystemService(POWER_SERVICE,
mPowerManager); mPowerManager);
when(mScreen.findPreference(anyString())).thenReturn(mPreference); when(mScreen.findPreference(anyString())).thenReturn(mPreference);
@@ -98,7 +102,7 @@ public class BrightnessLevelPreferenceControllerTest {
controller.onStart(); controller.onStart();
assertThat(shadowContentResolver.getContentObservers( assertThat(shadowContentResolver.getContentObservers(
System.getUriFor(System.SCREEN_BRIGHTNESS))).isNotEmpty(); System.getUriFor(System.SCREEN_BRIGHTNESS_FLOAT))).isNotEmpty();
assertThat(shadowContentResolver.getContentObservers( assertThat(shadowContentResolver.getContentObservers(
System.getUriFor(System.SCREEN_BRIGHTNESS_FOR_VR))).isNotEmpty(); System.getUriFor(System.SCREEN_BRIGHTNESS_FOR_VR))).isNotEmpty();
assertThat(shadowContentResolver.getContentObservers( assertThat(shadowContentResolver.getContentObservers(
@@ -116,9 +120,9 @@ public class BrightnessLevelPreferenceControllerTest {
controller.onStop(); controller.onStop();
assertThat(shadowContentResolver.getContentObservers( assertThat(shadowContentResolver.getContentObservers(
System.getUriFor(System.SCREEN_BRIGHTNESS))).isEmpty(); System.getUriFor(System.SCREEN_BRIGHTNESS_FLOAT))).isEmpty();
assertThat(shadowContentResolver.getContentObservers( assertThat(shadowContentResolver.getContentObservers(
System.getUriFor(System.SCREEN_BRIGHTNESS_FOR_VR))).isEmpty(); System.getUriFor(System.SCREEN_BRIGHTNESS_FOR_VR_FLOAT))).isEmpty();
assertThat(shadowContentResolver.getContentObservers( assertThat(shadowContentResolver.getContentObservers(
System.getUriFor(System.SCREEN_AUTO_BRIGHTNESS_ADJ))).isEmpty(); System.getUriFor(System.SCREEN_AUTO_BRIGHTNESS_ADJ))).isEmpty();
} }
@@ -126,11 +130,11 @@ public class BrightnessLevelPreferenceControllerTest {
@Test @Test
public void updateState_inVrMode_shouldSetSummaryToVrBrightness() { public void updateState_inVrMode_shouldSetSummaryToVrBrightness() {
doReturn(true).when(mController).isInVrMode(); doReturn(true).when(mController).isInVrMode();
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS_FOR_VR, 85); System.putFloat(mContentResolver, System.SCREEN_BRIGHTNESS_FOR_VR_FLOAT, 0.6f);
mController.updateState(mPreference); mController.updateState(mPreference);
verify(mPreference).setSummary("97%"); verify(mPreference).setSummary("91%");
} }
@Test @Test
@@ -139,11 +143,11 @@ public class BrightnessLevelPreferenceControllerTest {
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS_MODE, System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS_MODE,
System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC); System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS, 31); System.putFloat(mContentResolver, System.SCREEN_BRIGHTNESS_FLOAT, 0.1f);
mController.updateState(mPreference); mController.updateState(mPreference);
verify(mPreference).setSummary("78%"); verify(mPreference).setSummary("54%");
} }
@Test @Test
@@ -152,11 +156,11 @@ public class BrightnessLevelPreferenceControllerTest {
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS_MODE, System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS_MODE,
System.SCREEN_BRIGHTNESS_MODE_MANUAL); System.SCREEN_BRIGHTNESS_MODE_MANUAL);
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS, 45); System.putFloat(mContentResolver, System.SCREEN_BRIGHTNESS_FLOAT, 0.5f);
mController.updateState(mPreference); mController.updateState(mPreference);
verify(mPreference).setSummary("85%"); verify(mPreference).setSummary("87%");
} }
@Test @Test
@@ -164,11 +168,11 @@ public class BrightnessLevelPreferenceControllerTest {
// VR mode // VR mode
doReturn(true).when(mController).isInVrMode(); doReturn(true).when(mController).isInVrMode();
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS_FOR_VR, 105); System.putFloat(mContentResolver, System.SCREEN_BRIGHTNESS_FOR_VR_FLOAT, 1.05f);
mController.updateState(mPreference); mController.updateState(mPreference);
verify(mPreference).setSummary("100%"); verify(mPreference).setSummary("100%");
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS_FOR_VR, -20); System.putFloat(mContentResolver, System.SCREEN_BRIGHTNESS_FOR_VR_FLOAT, -20f);
mController.updateState(mPreference); mController.updateState(mPreference);
verify(mPreference).setSummary("0%"); verify(mPreference).setSummary("0%");
@@ -178,11 +182,11 @@ public class BrightnessLevelPreferenceControllerTest {
System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC); System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC);
reset(mPreference); reset(mPreference);
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS, 115); System.putFloat(mContentResolver, System.SCREEN_BRIGHTNESS_FLOAT, 1.15f);
mController.updateState(mPreference); mController.updateState(mPreference);
verify(mPreference).setSummary("100%"); verify(mPreference).setSummary("100%");
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS, -10); System.putFloat(mContentResolver, System.SCREEN_BRIGHTNESS_FLOAT, -10f);
mController.updateState(mPreference); mController.updateState(mPreference);
verify(mPreference).setSummary("0%"); verify(mPreference).setSummary("0%");
@@ -191,11 +195,11 @@ public class BrightnessLevelPreferenceControllerTest {
System.SCREEN_BRIGHTNESS_MODE_MANUAL); System.SCREEN_BRIGHTNESS_MODE_MANUAL);
reset(mPreference); reset(mPreference);
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS, 115); System.putFloat(mContentResolver, System.SCREEN_BRIGHTNESS_FLOAT, 1.15f);
mController.updateState(mPreference); mController.updateState(mPreference);
verify(mPreference).setSummary("100%"); verify(mPreference).setSummary("100%");
System.putInt(mContentResolver, System.SCREEN_BRIGHTNESS, -10); System.putFloat(mContentResolver, System.SCREEN_BRIGHTNESS_FLOAT, -10f);
mController.updateState(mPreference); mController.updateState(mPreference);
verify(mPreference).setSummary("0%"); verify(mPreference).setSummary("0%");
} }