code execution optimization for BatteryStatsImpl file.

Bug: none
Flag: EXEMPT minor optimization
Change-Id: I8281f01cba4b0152cd9bd14d0438bc830e33f083

1 files changed, 14 insertions, 19 deletions

diff --git a/services/core/java/com/android/server/power/stats/BatteryStatsImpl.java b/services/core/java/com/android/server/power/stats/BatteryStatsImpl.java
index cb8e1a0f35b8..d009fa082d68 100644
--- a/services/core/java/com/android/server/power/stats/BatteryStatsImpl.java
+++ b/services/core/java/com/android/server/power/stats/BatteryStatsImpl.java
@@ -703,34 +703,29 @@ public class BatteryStatsImpl extends BatteryStats {
         @Override
         public void handleMessage(Message msg) {
             BatteryCallback cb = mCallback;
+            if (cb == null) {
+                return;
+            }
             switch (msg.what) {
                 case MSG_REPORT_CPU_UPDATE_NEEDED:
-                    if (cb != null) {
-                        cb.batteryNeedsCpuUpdate();
-                    }
+                    cb.batteryNeedsCpuUpdate();
                     break;
                 case MSG_REPORT_POWER_CHANGE:
-                    if (cb != null) {
-                        cb.batteryPowerChanged(msg.arg1 != 0);
-                    }
+                    cb.batteryPowerChanged(msg.arg1 != 0);
                     break;
                 case MSG_REPORT_CHARGING:
-                    if (cb != null) {
-                        final String action;
-                        synchronized (BatteryStatsImpl.this) {
-                            action = mCharging ? BatteryManager.ACTION_CHARGING
-                                    : BatteryManager.ACTION_DISCHARGING;
-                        }
-                        Intent intent = new Intent(action);
-                        intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
-                        cb.batterySendBroadcast(intent);
+                    final String action;
+                    synchronized (BatteryStatsImpl.this) {
+                        action = mCharging ? BatteryManager.ACTION_CHARGING
+                                : BatteryManager.ACTION_DISCHARGING;
                     }
+                    Intent intent = new Intent(action);
+                    intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT);
+                    cb.batterySendBroadcast(intent);
                     break;
                 case MSG_REPORT_RESET_STATS:
-                    if (cb != null) {
-                        cb.batteryStatsReset();
-                    }
-                }
+                    cb.batteryStatsReset();
+            }
         }
     }