Merge "Re-evaluate scrim color on keyguard vis event"

    private final KeyguardUpdateMonitor mKeyguardUpdateMonitor;

    private final DozeParameters mDozeParameters;

    private final AlarmTimeout mTimeTicker;

    private final KeyguardVisibilityCallback mKeyguardVisibilityCallback;

    private final SysuiColorExtractor mColorExtractor;

    private GradientColors mLockColors;

        mUnlockMethodCache = UnlockMethodCache.getInstance(mContext);

        mDarkenWhileDragging = !mUnlockMethodCache.canSkipBouncer();

        mKeyguardUpdateMonitor = KeyguardUpdateMonitor.getInstance(mContext);

        mKeyguardVisibilityCallback = new KeyguardVisibilityCallback();

        mKeyguardUpdateMonitor.registerCallback(mKeyguardVisibilityCallback);

        mScrimBehindAlphaResValue = mContext.getResources().getFloat(R.dimen.scrim_behind_alpha);

        mTimeTicker = new AlarmTimeout(alarmManager, this::onHideWallpaperTimeout,

                "hide_aod_wallpaper", new Handler());

        default void onCancelled() {

        }

    }

    /**

     * Simple keyguard callback that updates scrims when keyguard visibility changes.

     */

    private class KeyguardVisibilityCallback extends KeyguardUpdateMonitorCallback {

        @Override

        public void onKeyguardVisibilityChanged(boolean showing) {

            mNeedsDrawableColorUpdate = true;

            scheduleUpdate();

        }

    }

}