Hide Camera background running time in the battery usage screen

hide camera background running time in the battery usage screen to avoid
users confuse about it, since it will standby in the backgound to sspeed
up launching time, not always running in the background

Bug: 196744910
Test: make SettingsRoboTests
Change-Id: Ia391d661bca44435fc5a68b1c86e5ca32dd0fcfe
Merged-In: Ia391d661bca44435fc5a68b1c86e5ca32dd0fcfe

src/com/android/settings/fuelgauge/ConvertUtils.java

@@ -24,6 +24,8 @@ import android.util.Log;
 
 import androidx.annotation.VisibleForTesting;
 
+import com.android.settings.overlay.FeatureFactory;
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.text.SimpleDateFormat;
@@ -288,7 +290,7 @@ public final class ConvertUtils {
         }
         insert24HoursData(BatteryChartView.SELECTED_INDEX_ALL, resultMap);
         if (purgeLowPercentageAndFakeData) {
-            purgeLowPercentageAndFakeData(resultMap);
+            purgeLowPercentageAndFakeData(context, resultMap);
         }
         return resultMap;
     }
@@ -327,7 +329,12 @@ public final class ConvertUtils {
 
     // Removes low percentage data and fake usage data, which will be zero value.
     private static void purgeLowPercentageAndFakeData(
+            final Context context,
             final Map<Integer, List<BatteryDiffEntry>> indexedUsageMap) {
+        final List<CharSequence> backgroundUsageTimeHideList =
+                FeatureFactory.getFactory(context)
+                        .getPowerUsageFeatureProvider(context)
+                        .getHideBackgroundUsageTimeList(context);
         for (List<BatteryDiffEntry> entries : indexedUsageMap.values()) {
             final Iterator<BatteryDiffEntry> iterator = entries.iterator();
             while (iterator.hasNext()) {
@@ -336,6 +343,12 @@ public final class ConvertUtils {
                         || FAKE_PACKAGE_NAME.equals(entry.getPackageName())) {
                     iterator.remove();
                 }
+                final String packageName = entry.getPackageName();
+                if (packageName != null
+                        && !backgroundUsageTimeHideList.isEmpty()
+                        && backgroundUsageTimeHideList.contains(packageName)) {
+                  entry.mBackgroundUsageTimeInMs = 0;
+                }
             }
         }
     }

src/com/android/settings/fuelgauge/PowerUsageFeatureProvider.java

@@ -23,6 +23,7 @@ import android.util.SparseIntArray;
 import com.android.internal.os.BatterySipper;
 import com.android.settingslib.fuelgauge.Estimate;
 
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -141,4 +142,9 @@ public interface PowerUsageFeatureProvider {
      * Returns battery history data with corresponding timestamp key.
      */
     Map<Long, Map<String, BatteryHistEntry>> getBatteryHistory(Context context);
+
+    /**
+     * Returns {@link List} for hidding applications background usage time.
+     */
+    List<CharSequence> getHideBackgroundUsageTimeList(Context context);
 }

src/com/android/settings/fuelgauge/PowerUsageFeatureProviderImpl.java

@@ -26,6 +26,8 @@ import com.android.internal.os.BatterySipper;
 import com.android.internal.util.ArrayUtils;
 import com.android.settingslib.fuelgauge.Estimate;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Map;
 
 public class PowerUsageFeatureProviderImpl implements PowerUsageFeatureProvider {
@@ -167,4 +169,9 @@ public class PowerUsageFeatureProviderImpl implements PowerUsageFeatureProvider
     public Map<Long, Map<String, BatteryHistEntry>> getBatteryHistory(Context context) {
         return null;
     }
+
+    @Override
+    public List<CharSequence> getHideBackgroundUsageTimeList(Context context) {
+        return new ArrayList<>();
+    }
 }

tests/robotests/src/com/android/settings/fuelgauge/ConvertUtilsTest.java

@@ -50,8 +50,11 @@ import java.util.TimeZone;
 public final class ConvertUtilsTest {
 
     private Context mContext;
-    @Mock private BatteryUsageStats mBatteryUsageStats;
+
-    @Mock private BatteryEntry mockBatteryEntry;
+    @Mock
+    private BatteryUsageStats mBatteryUsageStats;
+    @Mock
+    private BatteryEntry mockBatteryEntry;
 
     private FakeFeatureFactory mFeatureFactory;
     private PowerUsageFeatureProvider mPowerUsageFeatureProvider;
@@ -382,6 +385,38 @@ public final class ConvertUtilsTest {
         assertThat(ConvertUtils.sLocaleForHour).isEqualTo(new Locale("en_US"));
     }
 
+    @Test
+    public void testGetIndexedUsageMap_hideBackgroundUsageTime_returnsExpectedResult() {
+        final long[] batteryHistoryKeys = new long[] {101L, 102L, 103L};
+        final Map<Long, Map<String, BatteryHistEntry>> batteryHistoryMap = new HashMap<>();
+        final BatteryHistEntry fakeEntry = createBatteryHistEntry(
+            ConvertUtils.FAKE_PACKAGE_NAME, "fake_label", 0, 0L, 0L, 0L);
+        // Adds the index = 0 data.
+        Map<String, BatteryHistEntry> entryMap = new HashMap<>();
+        entryMap.put(fakeEntry.getKey(), fakeEntry);
+        batteryHistoryMap.put(Long.valueOf(batteryHistoryKeys[0]), entryMap);
+        // Adds the index = 1 data.
+        entryMap = new HashMap<>();
+        entryMap.put(fakeEntry.getKey(), fakeEntry);
+        batteryHistoryMap.put(Long.valueOf(batteryHistoryKeys[1]), entryMap);
+        // Adds the index = 2 data.
+        entryMap = new HashMap<>();
+        final BatteryHistEntry entry = createBatteryHistEntry(
+            "package3", "label3", 500, 5L, 3600000L, 7200000L);
+        entryMap.put(entry.getKey(), entry);
+        batteryHistoryMap.put(Long.valueOf(batteryHistoryKeys[2]), entryMap);
+        when(mPowerUsageFeatureProvider.getHideBackgroundUsageTimeList(mContext))
+            .thenReturn(Arrays.asList((CharSequence) "package3"));
+
+        final Map<Integer, List<BatteryDiffEntry>> purgedResultMap =
+            ConvertUtils.getIndexedUsageMap(
+                mContext, /*timeSlotSize=*/ 1, batteryHistoryKeys, batteryHistoryMap,
+                /*purgeLowPercentageAndFakeData=*/ true);
+
+        final BatteryDiffEntry resultEntry = purgedResultMap.get(0).get(0);
+        assertThat(resultEntry.mBackgroundUsageTimeInMs).isEqualTo(0);
+    }
+
     @Test
     public void getLocale_nullContext_returnDefaultLocale() {
         assertThat(ConvertUtils.getLocale(/*context=*/ null))