Merge "Remove notification settings for deleted users" into oc-dev
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index a4eccbf..1d843c1 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -884,6 +884,8 @@
             } else if (action.equals(Intent.ACTION_USER_REMOVED)) {
                 final int user = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
                 mZenModeHelper.onUserRemoved(user);
+                mRankingHelper.onUserRemoved(user);
+                savePolicyFile();
             } else if (action.equals(Intent.ACTION_USER_UNLOCKED)) {
                 final int user = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, UserHandle.USER_NULL);
                 mConditionProviders.onUserUnlocked(user);
diff --git a/services/core/java/com/android/server/notification/RankingHelper.java b/services/core/java/com/android/server/notification/RankingHelper.java
index 3481556..1e741de 100644
--- a/services/core/java/com/android/server/notification/RankingHelper.java
+++ b/services/core/java/com/android/server/notification/RankingHelper.java
@@ -1040,6 +1040,18 @@
         return packageChannels;
     }
 
+    public void onUserRemoved(int userId) {
+        synchronized (mRecords) {
+            int N = mRecords.size();
+            for (int i = N - 1; i >= 0 ; i--) {
+                Record record = mRecords.valueAt(i);
+                if (UserHandle.getUserId(record.uid) == userId) {
+                    mRecords.removeAt(i);
+                }
+            }
+        }
+    }
+
     public void onPackagesChanged(boolean removingPackage, int changeUserId, String[] pkgList,
             int[] uidList) {
         if (pkgList == null || pkgList.length == 0) {
diff --git a/services/tests/notification/src/com/android/server/notification/RankingHelperTest.java b/services/tests/notification/src/com/android/server/notification/RankingHelperTest.java
index e2428b9..8ab6d08 100644
--- a/services/tests/notification/src/com/android/server/notification/RankingHelperTest.java
+++ b/services/tests/notification/src/com/android/server/notification/RankingHelperTest.java
@@ -843,6 +843,36 @@
     }
 
     @Test
+    public void testOnUserRemoved() throws Exception {
+        int[] user0Uids = {98, 235, 16, 3782};
+        int[] user1Uids = new int[user0Uids.length];
+        for (int i = 0; i < user0Uids.length; i++) {
+            user1Uids[i] = UserHandle.PER_USER_RANGE + user0Uids[i];
+
+            final ApplicationInfo legacy = new ApplicationInfo();
+            legacy.targetSdkVersion = Build.VERSION_CODES.N_MR1;
+            when(mPm.getApplicationInfoAsUser(eq(PKG), anyInt(), anyInt())).thenReturn(legacy);
+
+            // create records with the default channel for all user 0 and user 1 uids
+            mHelper.getImportance(PKG, user0Uids[i]);
+            mHelper.getImportance(PKG, user1Uids[i]);
+        }
+
+        mHelper.onUserRemoved(1);
+
+        // user 0 records remain
+        for (int i = 0; i < user0Uids.length; i++) {
+            assertEquals(1,
+                    mHelper.getNotificationChannels(PKG, user0Uids[i], false).getList().size());
+        }
+        // user 1 records are gone
+        for (int i = 0; i < user1Uids.length; i++) {
+            assertEquals(0,
+                    mHelper.getNotificationChannels(PKG, user1Uids[i], false).getList().size());
+        }
+    }
+
+    @Test
     public void testOnPackageChanged_packageRemoval() throws Exception {
         // Deleted
         NotificationChannel channel1 =