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Commit fd51081e authored by Michael Wright's avatar Michael Wright Committed by Automerger Merge Worker
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Merge "Invoke BrightnessSetting callbacks even with identical brightness."... 

Merge "Invoke BrightnessSetting callbacks even with identical brightness." into tm-dev am: aabe27b7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17916604



Change-Id: I4963a8a16cb6073c9c1e7c978924491a3e55c20c
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 50e42f8b aabe27b7

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

+7 −5
Original line number Diff line number Diff line
@@ -102,13 +102,15 @@ public class BrightnessSetting { 
            return;

        }

        synchronized (mSyncRoot) {

            if (brightness == mBrightness) {

                return;

            }



            mBrightness = brightness;

            // If the brightness is the same, we still need to update any listeners as the act of

            // setting the brightness alone has side effects, like clearing any temporary

            // brightness. We can skip persisting to disk, however, since it hasn't actually

            // changed.

            if (brightness != mBrightness) {

                mPersistentDataStore.setBrightness(mLogicalDisplay.getPrimaryDisplayDeviceLocked(),

                        brightness);

            }

            mBrightness = brightness;

            int toSend = Float.floatToIntBits(mBrightness);

            Message msg = mHandler.obtainMessage(MSG_BRIGHTNESS_CHANGED, toSend, 0);

            mHandler.sendMessage(msg);

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

+1 −1
Original line number Diff line number Diff line
@@ -3349,7 +3349,7 @@ public final class DisplayManagerService extends SystemService { 
                synchronized (mSyncRoot) {

                    DisplayPowerController dpc = mDisplayPowerControllers.get(displayId);

                    if (dpc != null) {

                        dpc.putScreenBrightnessSetting(brightness);

                        dpc.setBrightness(brightness);

                    }

                    mPersistentDataStore.saveIfNeeded();

                }

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

+10 −9
Original line number Diff line number Diff line
@@ -1345,7 +1345,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
                if (mAppliedAutoBrightness && !autoBrightnessAdjustmentChanged) {

                    slowChange = true; // slowly adapt to auto-brightness

                }

                updateScreenBrightnessSetting = true;

                updateScreenBrightnessSetting = mCurrentScreenBrightnessSetting != brightnessState;

                mAppliedAutoBrightness = true;

                mBrightnessReasonTemp.setReason(BrightnessReason.REASON_AUTOMATIC);

            } else {
@@ -1415,7 +1415,7 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
            // before applying the low power or dim transformations so that the slider

            // accurately represents the full possible range, even if they range changes what

            // it means in absolute terms.

            putScreenBrightnessSetting(brightnessState, /* updateCurrent */ true);

            updateScreenBrightnessSetting(brightnessState);

        }



        // Apply dimming by at least some minimum amount when user activity
@@ -2288,17 +2288,18 @@ final class DisplayPowerController implements AutomaticBrightnessController.Call 
        return clampScreenBrightnessForVr(brightnessFloat);

    }



    void putScreenBrightnessSetting(float brightnessValue) {

        putScreenBrightnessSetting(brightnessValue, false);

    void setBrightness(float brightnessValue) {

        // Update the setting, which will eventually call back into DPC to have us actually update

        // the display with the new value.

        mBrightnessSetting.setBrightness(brightnessValue);

    }



    private void putScreenBrightnessSetting(float brightnessValue, boolean updateCurrent) {

        if (!isValidBrightnessValue(brightnessValue)) {

    private void updateScreenBrightnessSetting(float brightnessValue) {

        if (!isValidBrightnessValue(brightnessValue)

                || brightnessValue == mCurrentScreenBrightnessSetting) {

            return;

        }

        if (updateCurrent) {

        setCurrentScreenBrightness(brightnessValue);

        }

        mBrightnessSetting.setBrightness(brightnessValue);

    }