diff options
| -rw-r--r-- | services/core/java/com/android/server/policy/BurnInProtectionHelper.java | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/services/core/java/com/android/server/policy/BurnInProtectionHelper.java b/services/core/java/com/android/server/policy/BurnInProtectionHelper.java index e6ec6a67fe3a..92729dc08b63 100644 --- a/services/core/java/com/android/server/policy/BurnInProtectionHelper.java +++ b/services/core/java/com/android/server/policy/BurnInProtectionHelper.java @@ -43,7 +43,10 @@ public class BurnInProtectionHelper implements DisplayManager.DisplayListener, // Default value when max burnin radius is not set. public static final int BURN_IN_MAX_RADIUS_DEFAULT = -1; - private static final long BURNIN_PROTECTION_WAKEUP_INTERVAL_MS = TimeUnit.MINUTES.toMillis(1); + private static final long BURNIN_PROTECTION_FIRST_WAKEUP_INTERVAL_MS = + TimeUnit.MINUTES.toMillis(1); + private static final long BURNIN_PROTECTION_SUBSEQUENT_WAKEUP_INTERVAL_MS = + TimeUnit.MINUTES.toMillis(2); private static final long BURNIN_PROTECTION_MINIMAL_INTERVAL_MS = TimeUnit.SECONDS.toMillis(10); private static final boolean DEBUG = false; @@ -138,6 +141,9 @@ public class BurnInProtectionHelper implements DisplayManager.DisplayListener, // We don't want to adjust offsets immediately after the device goes into ambient mode. // Instead, we want to wait until it's more likely that the user is not observing the // screen anymore. + final long interval = mFirstUpdate + ? BURNIN_PROTECTION_FIRST_WAKEUP_INTERVAL_MS + : BURNIN_PROTECTION_SUBSEQUENT_WAKEUP_INTERVAL_MS; if (mFirstUpdate) { mFirstUpdate = false; } else { @@ -156,8 +162,7 @@ public class BurnInProtectionHelper implements DisplayManager.DisplayListener, // Next adjustment at least ten seconds in the future. long nextWall = nowWall + BURNIN_PROTECTION_MINIMAL_INTERVAL_MS; // And aligned to the minute. - nextWall = nextWall - nextWall % BURNIN_PROTECTION_WAKEUP_INTERVAL_MS - + BURNIN_PROTECTION_WAKEUP_INTERVAL_MS; + nextWall = (nextWall - (nextWall % interval)) + interval; // Use elapsed real time that is adjusted to full minute on wall clock. final long nextElapsed = nowElapsed + (nextWall - nowWall); if (DEBUG) { |