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Commit 02cc684e authored by Jeff Brown's avatar Jeff Brown
Browse files

Delete unused power manager functionality. 

timeSinceScreenWasLastOn() was used by Watchdog previously but is no
longer so we can remove it.

Change-Id: I91c324b6c98c1aeb85f64b0296a41240e6c2ef4f
parent 7d86d6b5

services/core/java/com/android/server/power/PowerManagerService.java

+0 −21
Original line number Diff line number Diff line
@@ -232,9 +232,6 @@ public final class PowerManagerService extends IPowerManager.Stub 
    // requested because it is updated asynchronously by the display power controller.

    private final DisplayPowerRequest mDisplayPowerRequest = new DisplayPowerRequest();



    // The time the screen was last turned off, in elapsedRealtime() timebase.

    private long mLastScreenOffEventElapsedRealTime;



    // True if the display power state has been fully applied, which means the display

    // is actually on or actually off or whatever was requested.

    private boolean mDisplayReady;
@@ -1657,12 +1654,6 @@ public final class PowerManagerService extends IPowerManager.Stub 
                | DIRTY_SETTINGS | DIRTY_SCREEN_ON_BLOCKER_RELEASED)) != 0) {

            int newScreenState = getDesiredScreenPowerStateLocked();

            if (newScreenState != mDisplayPowerRequest.screenState) {

                if (newScreenState == DisplayPowerRequest.SCREEN_STATE_OFF

                        && mDisplayPowerRequest.screenState

                                != DisplayPowerRequest.SCREEN_STATE_OFF) {

                    mLastScreenOffEventElapsedRealTime = SystemClock.elapsedRealtime();

                }



                mDisplayPowerRequest.screenState = newScreenState;

                nativeSetPowerState(

                        newScreenState != DisplayPowerRequest.SCREEN_STATE_OFF,
@@ -2074,18 +2065,6 @@ public final class PowerManagerService extends IPowerManager.Stub 
        light.setFlashing(color, Light.LIGHT_FLASH_HARDWARE, (on ? 3 : 0), 0);

    }



    /**

     * Used by the Watchdog.

     */

    public long timeSinceScreenWasLastOn() {

        synchronized (mLock) {

            if (mDisplayPowerRequest.screenState != DisplayPowerRequest.SCREEN_STATE_OFF) {

                return 0;

            }

            return SystemClock.elapsedRealtime() - mLastScreenOffEventElapsedRealTime;

        }

    }



    /**

     * Used by the window manager to override the screen brightness based on the

     * current foreground activity.