Add a new method queryEventsForUser() to UsageStatsManagerInternal for People Service to call

Change-Id: I4baf755a3dc1af421ea755ed2f4cfe3440741290
Test: Build and run on a test device
Bug: 146522621

core/java/android/app/usage/UsageEvents.java

@@ -451,21 +451,7 @@ public final class UsageEvents implements Parcelable {
 
         /** @hide */
         public Event(Event orig) {
-            mPackage = orig.mPackage;
-            mClass = orig.mClass;
-            mInstanceId = orig.mInstanceId;
-            mTaskRootPackage = orig.mTaskRootPackage;
-            mTaskRootClass = orig.mTaskRootClass;
-            mTimeStamp = orig.mTimeStamp;
-            mEventType = orig.mEventType;
-            mConfiguration = orig.mConfiguration;
-            mShortcutId = orig.mShortcutId;
-            mAction = orig.mAction;
-            mContentType = orig.mContentType;
-            mContentAnnotations = orig.mContentAnnotations;
-            mFlags = orig.mFlags;
-            mBucketAndReason = orig.mBucketAndReason;
-            mNotificationChannelId = orig.mNotificationChannelId;
+            copyFrom(orig);
         }
 
         /**
@@ -622,6 +608,24 @@ public final class UsageEvents implements Parcelable {
             // which instant apps can't use anyway, so there's no need to hide them.
             return ret;
         }
+
+        private void copyFrom(Event orig) {
+            mPackage = orig.mPackage;
+            mClass = orig.mClass;
+            mInstanceId = orig.mInstanceId;
+            mTaskRootPackage = orig.mTaskRootPackage;
+            mTaskRootClass = orig.mTaskRootClass;
+            mTimeStamp = orig.mTimeStamp;
+            mEventType = orig.mEventType;
+            mConfiguration = orig.mConfiguration;
+            mShortcutId = orig.mShortcutId;
+            mAction = orig.mAction;
+            mContentType = orig.mContentType;
+            mContentAnnotations = orig.mContentAnnotations;
+            mFlags = orig.mFlags;
+            mBucketAndReason = orig.mBucketAndReason;
+            mNotificationChannelId = orig.mNotificationChannelId;
+        }
     }
 
     // Only used when creating the resulting events. Not used for reading/unparceling.
@@ -725,10 +729,14 @@ public final class UsageEvents implements Parcelable {
             return false;
         }
 
-        readEventFromParcel(mParcel, eventOut);
+        if (mParcel != null) {
+            readEventFromParcel(mParcel, eventOut);
+        } else {
+            eventOut.copyFrom(mEventsToWrite.get(mIndex));
+        }
 
         mIndex++;
-        if (mIndex >= mEventCount) {
+        if (mIndex >= mEventCount && mParcel != null) {
             mParcel.recycle();
             mParcel = null;
         }

services/core/java/android/app/usage/UsageStatsManagerInternal.java

@@ -23,8 +23,6 @@ import android.content.res.Configuration;
 import android.os.UserHandle;
 import android.os.UserManager;
 
-import com.android.server.usage.AppStandbyInternal.AppIdleStateChangeListener;
-
 import java.util.List;
 import java.util.Set;
 
@@ -197,6 +195,12 @@ public abstract class UsageStatsManagerInternal {
     public abstract List<UsageStats> queryUsageStatsForUser(@UserIdInt int userId, int interval,
             long beginTime, long endTime, boolean obfuscateInstantApps);
 
+    /**
+     * Returns the events for the user in the given time period.
+     */
+    public abstract UsageEvents queryEventsForUser(@UserIdInt int userId, long beginTime,
+            long endTime, boolean shouldObfuscateInstantApps);
+
     /**
      * Used to persist the last time a job was run for this app, in order to make decisions later
      * whether a job should be deferred until later. The time passed in should be in elapsed

services/usage/java/com/android/server/usage/UsageStatsService.java

@@ -2068,6 +2068,13 @@ public class UsageStatsService extends SystemService implements
                     userId, intervalType, beginTime, endTime, obfuscateInstantApps);
         }
 
+        @Override
+        public UsageEvents queryEventsForUser(int userId, long beginTime, long endTime,
+                boolean shouldObfuscateInstantApps) {
+            return UsageStatsService.this.queryEvents(
+                    userId, beginTime, endTime, shouldObfuscateInstantApps);
+        }
+
         @Override
         public void setLastJobRunTime(String packageName, int userId, long elapsedRealtime) {
             mAppStandby.setLastJobRunTime(packageName, userId, elapsedRealtime);