Remove unneeded methods

Test: make, make cts, make cts-verifier, runtest systemui-notification
Change-Id: I25b559cfcc30f2d85f468adf840f9124e80f00b0
diff --git a/api/system-current.txt b/api/system-current.txt
index 9b295bf..87fc385 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -40360,7 +40360,6 @@
     method public int getUser();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.service.notification.Adjustment> CREATOR;
-    field public static final java.lang.String KEY_CHANNEL_ID = "key_channel_id";
     field public static final java.lang.String KEY_PEOPLE = "key_people";
     field public static final java.lang.String KEY_SNOOZE_CRITERIA = "key_snooze_criteria";
   }
@@ -40415,14 +40414,10 @@
     ctor public NotificationAssistantService();
     method public final void adjustNotification(android.service.notification.Adjustment);
     method public final void adjustNotifications(java.util.List<android.service.notification.Adjustment>);
-    method public void createNotificationChannel(java.lang.String, android.app.NotificationChannel);
-    method public void deleteNotificationChannel(java.lang.String, java.lang.String);
-    method public java.util.List<android.app.NotificationChannel> getNotificationChannels(java.lang.String);
     method public final android.os.IBinder onBind(android.content.Intent);
     method public abstract android.service.notification.Adjustment onNotificationEnqueued(android.service.notification.StatusBarNotification);
     method public abstract void onNotificationSnoozedUntilContext(android.service.notification.StatusBarNotification, java.lang.String);
     method public final void unsnoozeNotification(java.lang.String);
-    method public void updateNotificationChannel(java.lang.String, android.app.NotificationChannel);
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
   }
 
diff --git a/api/test-current.txt b/api/test-current.txt
index 6db91be..e9f19db 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -37453,7 +37453,6 @@
     method public int getUser();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.service.notification.Adjustment> CREATOR;
-    field public static final java.lang.String KEY_CHANNEL_ID = "key_channel_id";
     field public static final java.lang.String KEY_PEOPLE = "key_people";
     field public static final java.lang.String KEY_SNOOZE_CRITERIA = "key_snooze_criteria";
   }
@@ -37508,14 +37507,10 @@
     ctor public NotificationAssistantService();
     method public final void adjustNotification(android.service.notification.Adjustment);
     method public final void adjustNotifications(java.util.List<android.service.notification.Adjustment>);
-    method public void createNotificationChannel(java.lang.String, android.app.NotificationChannel);
-    method public void deleteNotificationChannel(java.lang.String, java.lang.String);
-    method public java.util.List<android.app.NotificationChannel> getNotificationChannels(java.lang.String);
     method public final android.os.IBinder onBind(android.content.Intent);
     method public abstract android.service.notification.Adjustment onNotificationEnqueued(android.service.notification.StatusBarNotification);
     method public abstract void onNotificationSnoozedUntilContext(android.service.notification.StatusBarNotification, java.lang.String);
     method public final void unsnoozeNotification(java.lang.String);
-    method public void updateNotificationChannel(java.lang.String, android.app.NotificationChannel);
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
   }
 
diff --git a/core/java/android/app/INotificationManager.aidl b/core/java/android/app/INotificationManager.aidl
index 43cad5b..61dacef 100644
--- a/core/java/android/app/INotificationManager.aidl
+++ b/core/java/android/app/INotificationManager.aidl
@@ -104,10 +104,6 @@
     void applyEnqueuedAdjustmentFromAssistant(in INotificationListener token, in Adjustment adjustment);
     void applyAdjustmentFromAssistant(in INotificationListener token, in Adjustment adjustment);
     void applyAdjustmentsFromAssistant(in INotificationListener token, in List<Adjustment> adjustments);
-    void createNotificationChannelFromAssistant(in INotificationListener token, String pkg, in NotificationChannel channel);
-    void updateNotificationChannelFromAssistant(in INotificationListener token, String pkg, in NotificationChannel channel);
-    void deleteNotificationChannelFromAssistant(in INotificationListener token, String pkg, String channelId);
-    ParceledListSlice getNotificationChannelsFromAssistant(in INotificationListener token, String pkg);
     void unsnoozeNotificationFromAssistant(in INotificationListener token, String key);
 
     ComponentName getEffectsSuppressor();
diff --git a/core/java/android/service/notification/Adjustment.java b/core/java/android/service/notification/Adjustment.java
index e39d53f..137cf57 100644
--- a/core/java/android/service/notification/Adjustment.java
+++ b/core/java/android/service/notification/Adjustment.java
@@ -36,10 +36,6 @@
     private final int mUser;
 
     /**
-     * Data type: {@code String}. See {@link NotificationChannel#getId()}.
-     */
-    public static final String KEY_CHANNEL_ID = "key_channel_id";
-    /**
      * Data type: ArrayList of {@code String}, where each is a representation of a
      * {@link android.provider.ContactsContract.Contacts#CONTENT_LOOKUP_URI}.
      * See {@link android.app.Notification.Builder#addPerson(String)}.
diff --git a/core/java/android/service/notification/NotificationAssistantService.java b/core/java/android/service/notification/NotificationAssistantService.java
index 46609df..6ec9d69 100644
--- a/core/java/android/service/notification/NotificationAssistantService.java
+++ b/core/java/android/service/notification/NotificationAssistantService.java
@@ -138,69 +138,6 @@
         }
     }
 
-    /**
-     * Creates a notification channel that notifications can be posted to for a given package.
-     *
-     * @param pkg The package to create a channel for.
-     * @param channel  the channel to attempt to create.
-     */
-    public void createNotificationChannel(@NonNull String pkg,
-            @NonNull NotificationChannel channel) {
-        if (!isBound()) return;
-        try {
-            getNotificationInterface().createNotificationChannelFromAssistant(
-                    mWrapper, pkg, channel);
-        } catch (RemoteException e) {
-            Log.v(TAG, "Unable to contact notification manager", e);
-            throw e.rethrowFromSystemServer();
-        }
-    }
-
-    /**
-     * Updates a notification channel for a given package.
-     *
-     * @param pkg The package to the channel belongs to.
-     * @param channel the channel to attempt to update.
-     */
-    public void updateNotificationChannel(@NonNull String pkg,
-            @NonNull NotificationChannel channel) {
-        if (!isBound()) return;
-        try {
-            getNotificationInterface().updateNotificationChannelFromAssistant(
-                    mWrapper, pkg, channel);
-        } catch (RemoteException e) {
-            Log.v(TAG, "Unable to contact notification manager", e);
-            throw e.rethrowFromSystemServer();
-        }
-    }
-
-    /**
-     * Returns all notification channels belonging to the given package.
-     */
-    public List<NotificationChannel> getNotificationChannels(@NonNull String pkg) {
-        if (!isBound()) return null;
-        try {
-            return getNotificationInterface().getNotificationChannelsFromAssistant(
-                    mWrapper, pkg).getList();
-        } catch (RemoteException e) {
-            Log.v(TAG, "Unable to contact notification manager", e);
-            throw e.rethrowFromSystemServer();
-        }
-    }
-
-    /**
-     * Deletes the given notification channel.
-     */
-    public void deleteNotificationChannel(@NonNull String pkg, @NonNull String channelId) {
-        if (!isBound()) return;
-        try {
-            getNotificationInterface().deleteNotificationChannelFromAssistant(
-                    mWrapper, pkg, channelId);
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
-    }
-
 
     private class NotificationAssistantServiceWrapper extends NotificationListenerWrapper {
         @Override
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index 44c715b..64ee1e9 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -1294,19 +1294,14 @@
         sendRegisteredOnlyBroadcast(NotificationManager.ACTION_EFFECTS_SUPPRESSOR_CHANGED);
     }
 
-    private void updateNotificationChannelInt(String pkg, int uid, NotificationChannel channel,
-            boolean fromAssistant) {
+    private void updateNotificationChannelInt(String pkg, int uid, NotificationChannel channel) {
         if (channel.getImportance() == NotificationManager.IMPORTANCE_NONE) {
             // cancel
             cancelAllNotificationsInt(MY_UID, MY_PID, pkg, channel.getId(), 0, 0, true,
                     UserHandle.getUserId(Binder.getCallingUid()), REASON_CHANNEL_BANNED,
                     null);
         }
-        if (fromAssistant) {
-            mRankingHelper.updateNotificationChannelFromAssistant(pkg, uid, channel);
-        } else {
-            mRankingHelper.updateNotificationChannel(pkg, uid, channel);
-        }
+        mRankingHelper.updateNotificationChannel(pkg, uid, channel);
 
         synchronized (mNotificationLock) {
             final int N = mNotificationList.size();
@@ -1709,7 +1704,7 @@
                 NotificationChannel channel) {
             enforceSystemOrSystemUI("Caller not system or systemui");
             Preconditions.checkNotNull(channel);
-            updateNotificationChannelInt(pkg, uid, channel, false);
+            updateNotificationChannelInt(pkg, uid, channel);
         }
 
         @Override
@@ -2646,47 +2641,6 @@
                 Binder.restoreCallingIdentity(identity);
             }
         }
-
-        @Override
-        public void createNotificationChannelFromAssistant(INotificationListener token, String pkg,
-                NotificationChannel channel) throws RemoteException {
-            ManagedServiceInfo info = mNotificationAssistants.checkServiceTokenLocked(token);
-            int uid = mPackageManager.getPackageUid(pkg, 0, info.userid);
-            mRankingHelper.createNotificationChannel(pkg, uid, channel, false /* fromTargetApp */);
-            savePolicyFile();
-        }
-
-        @Override
-        public void deleteNotificationChannelFromAssistant(INotificationListener token, String pkg,
-                String channelId) throws RemoteException {
-            ManagedServiceInfo info = mNotificationAssistants.checkServiceTokenLocked(token);
-            if (NotificationChannel.DEFAULT_CHANNEL_ID.equals(channelId)) {
-                throw new IllegalArgumentException("Cannot delete default channel");
-            }
-
-            int uid = mPackageManager.getPackageUid(pkg, 0, info.userid);
-            cancelAllNotificationsInt(MY_UID, MY_PID, pkg, channelId, 0, 0, true,
-                    info.userid, REASON_CHANNEL_BANNED, null);
-            mRankingHelper.deleteNotificationChannel(pkg, uid, channelId);
-            savePolicyFile();
-        }
-
-        @Override
-        public void updateNotificationChannelFromAssistant(INotificationListener token, String pkg,
-                NotificationChannel channel) throws RemoteException {
-            ManagedServiceInfo info = mNotificationAssistants.checkServiceTokenLocked(token);
-            Preconditions.checkNotNull(channel);
-            int uid = mPackageManager.getPackageUid(pkg, 0, info.userid);
-            updateNotificationChannelInt(pkg, uid, channel, true);
-        }
-
-        @Override
-        public ParceledListSlice<NotificationChannel> getNotificationChannelsFromAssistant(
-                INotificationListener token, String pkg) throws RemoteException {
-            ManagedServiceInfo info = mNotificationAssistants.checkServiceTokenLocked(token);
-            int uid = mPackageManager.getPackageUid(pkg, 0, info.userid);
-            return mRankingHelper.getNotificationChannels(pkg, uid, false /* includeDeleted */);
-        }
     };
 
     private void applyAdjustment(NotificationRecord n, Adjustment adjustment) {
@@ -2695,17 +2649,10 @@
         }
         if (adjustment.getSignals() != null) {
             Bundle.setDefusable(adjustment.getSignals(), true);
-            final String overrideChannelId =
-                    adjustment.getSignals().getString(Adjustment.KEY_CHANNEL_ID, null);
             final ArrayList<String> people =
                     adjustment.getSignals().getStringArrayList(Adjustment.KEY_PEOPLE);
             final ArrayList<SnoozeCriterion> snoozeCriterionList =
                     adjustment.getSignals().getParcelableArrayList(Adjustment.KEY_SNOOZE_CRITERIA);
-            if (!TextUtils.isEmpty(overrideChannelId)) {
-                n.updateNotificationChannel(mRankingHelper.getNotificationChannel(
-                        n.sbn.getPackageName(), n.sbn.getUid(), overrideChannelId,
-                        false /* includeDeleted */));
-            }
             n.setPeopleOverride(people);
             n.setSnoozeCriteria(snoozeCriterionList);
         }
diff --git a/services/core/java/com/android/server/notification/RankingConfig.java b/services/core/java/com/android/server/notification/RankingConfig.java
index e13df19..4d19b52 100644
--- a/services/core/java/com/android/server/notification/RankingConfig.java
+++ b/services/core/java/com/android/server/notification/RankingConfig.java
@@ -37,7 +37,6 @@
     void createNotificationChannel(String pkg, int uid, NotificationChannel channel,
             boolean fromTargetApp);
     void updateNotificationChannel(String pkg, int uid, NotificationChannel channel);
-    void updateNotificationChannelFromAssistant(String pkg, int uid, NotificationChannel channel);
     NotificationChannel getNotificationChannel(String pkg, int uid, String channelId, boolean includeDeleted);
     void deleteNotificationChannel(String pkg, int uid, String channelId);
     void permanentlyDeleteNotificationChannel(String pkg, int uid, String channelId);
diff --git a/services/core/java/com/android/server/notification/RankingHelper.java b/services/core/java/com/android/server/notification/RankingHelper.java
index 65aaee0..b63b05f 100644
--- a/services/core/java/com/android/server/notification/RankingHelper.java
+++ b/services/core/java/com/android/server/notification/RankingHelper.java
@@ -609,55 +609,6 @@
     }
 
     @Override
-    public void updateNotificationChannelFromAssistant(String pkg, int uid,
-            NotificationChannel updatedChannel) {
-        Record r = getOrCreateRecord(pkg, uid);
-        if (r == null) {
-            throw new IllegalArgumentException("Invalid package");
-        }
-        NotificationChannel channel = r.channels.get(updatedChannel.getId());
-        if (channel == null || channel.isDeleted()) {
-            throw new IllegalArgumentException("Channel does not exist");
-        }
-
-        if ((channel.getUserLockedFields() & NotificationChannel.USER_LOCKED_IMPORTANCE) == 0) {
-            channel.setImportance(updatedChannel.getImportance());
-        }
-        if ((channel.getUserLockedFields() & NotificationChannel.USER_LOCKED_LIGHTS) == 0) {
-            channel.enableLights(updatedChannel.shouldShowLights());
-            channel.setLightColor(updatedChannel.getLightColor());
-        }
-        if ((channel.getUserLockedFields() & NotificationChannel.USER_LOCKED_PRIORITY) == 0) {
-            channel.setBypassDnd(updatedChannel.canBypassDnd());
-        }
-        if ((channel.getUserLockedFields() & NotificationChannel.USER_LOCKED_SOUND) == 0) {
-            channel.setSound(updatedChannel.getSound(), updatedChannel.getAudioAttributes());
-        }
-        if ((channel.getUserLockedFields() & NotificationChannel.USER_LOCKED_VIBRATION) == 0) {
-            channel.enableVibration(updatedChannel.shouldVibrate());
-            channel.setVibrationPattern(updatedChannel.getVibrationPattern());
-        }
-        if ((channel.getUserLockedFields() & NotificationChannel.USER_LOCKED_VISIBILITY) == 0) {
-            if (updatedChannel.getLockscreenVisibility() == Notification.VISIBILITY_PUBLIC) {
-                channel.setLockscreenVisibility(Ranking.VISIBILITY_NO_OVERRIDE);
-            } else {
-                channel.setLockscreenVisibility(updatedChannel.getLockscreenVisibility());
-            }
-        }
-        if ((channel.getUserLockedFields() & NotificationChannel.USER_LOCKED_SHOW_BADGE) == 0) {
-            channel.setShowBadge(updatedChannel.canShowBadge());
-        }
-        if (updatedChannel.isDeleted()) {
-            channel.setDeleted(true);
-        }
-        // Assistant cannot change the group
-
-        MetricsLogger.action(getChannelLog(channel, pkg));
-        r.channels.put(channel.getId(), channel);
-        updateConfig();
-    }
-
-    @Override
     public NotificationChannel getNotificationChannel(String pkg, int uid, String channelId,
             boolean includeDeleted) {
         Preconditions.checkNotNull(pkg);
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 40af2f8..ad593be 100644
--- a/services/tests/notification/src/com/android/server/notification/RankingHelperTest.java
+++ b/services/tests/notification/src/com/android/server/notification/RankingHelperTest.java
@@ -497,149 +497,6 @@
                 new NotificationChannel("bananas", "bananas", IMPORTANCE_LOW), true);
     }
 
-    @Test
-    public void testUpdate_userLockedImportance() throws Exception {
-        // all fields locked by user
-        final NotificationChannel channel =
-                new NotificationChannel("id2", "name2", IMPORTANCE_LOW);
-        channel.lockFields(NotificationChannel.USER_LOCKED_IMPORTANCE);
-
-        mHelper.createNotificationChannel(PKG, UID, channel, false);
-
-        // same id, try to update
-        final NotificationChannel channel2 =
-                new NotificationChannel("id2", "name2", NotificationManager.IMPORTANCE_HIGH);
-
-        mHelper.updateNotificationChannelFromAssistant(PKG, UID, channel2);
-
-        // no fields should be changed
-        assertEquals(channel, mHelper.getNotificationChannel(PKG, UID, channel.getId(), false));
-    }
-
-    @Test
-    public void testUpdate_userLockedVisibility() throws Exception {
-        // all fields locked by user
-        final NotificationChannel channel =
-                new NotificationChannel("id2", "name2", IMPORTANCE_LOW);
-        channel.setLockscreenVisibility(Notification.VISIBILITY_SECRET);
-        channel.lockFields(NotificationChannel.USER_LOCKED_VISIBILITY);
-
-        mHelper.createNotificationChannel(PKG, UID, channel, false);
-
-        // same id, try to update
-        final NotificationChannel channel2 =
-                new NotificationChannel("id2", "name2", NotificationManager.IMPORTANCE_HIGH);
-        channel2.setLockscreenVisibility(Notification.VISIBILITY_PUBLIC);
-
-        mHelper.updateNotificationChannelFromAssistant(PKG, UID, channel2);
-
-        // no fields should be changed
-        assertEquals(channel, mHelper.getNotificationChannel(PKG, UID, channel.getId(), false));
-    }
-
-    @Test
-    public void testUpdate_userLockedVibration() throws Exception {
-        // all fields locked by user
-        final NotificationChannel channel =
-                new NotificationChannel("id2", "name2", IMPORTANCE_LOW);
-        channel.enableLights(false);
-        channel.lockFields(NotificationChannel.USER_LOCKED_VIBRATION);
-
-        mHelper.createNotificationChannel(PKG, UID, channel, false);
-
-        // same id, try to update
-        final NotificationChannel channel2 =
-                new NotificationChannel("id2", "name2", NotificationManager.IMPORTANCE_HIGH);
-        channel2.enableVibration(true);
-        channel2.setVibrationPattern(new long[]{100});
-
-        mHelper.updateNotificationChannelFromAssistant(PKG, UID, channel2);
-
-        // no fields should be changed
-        assertEquals(channel, mHelper.getNotificationChannel(PKG, UID, channel.getId(), false));
-    }
-
-    @Test
-    public void testUpdate_userLockedLights() throws Exception {
-        // all fields locked by user
-        final NotificationChannel channel =
-                new NotificationChannel("id2", "name2", IMPORTANCE_LOW);
-        channel.enableLights(false);
-        channel.lockFields(NotificationChannel.USER_LOCKED_LIGHTS);
-
-        mHelper.createNotificationChannel(PKG, UID, channel, false);
-
-        // same id, try to update
-        final NotificationChannel channel2 =
-                new NotificationChannel("id2", "name2", NotificationManager.IMPORTANCE_HIGH);
-        channel2.enableLights(true);
-
-        mHelper.updateNotificationChannelFromAssistant(PKG, UID, channel2);
-
-        // no fields should be changed
-        assertEquals(channel, mHelper.getNotificationChannel(PKG, UID, channel.getId(), false));
-    }
-
-    @Test
-    public void testUpdate_userLockedPriority() throws Exception {
-        // all fields locked by user
-        final NotificationChannel channel =
-                new NotificationChannel("id2", "name2", IMPORTANCE_LOW);
-        channel.setBypassDnd(true);
-        channel.lockFields(NotificationChannel.USER_LOCKED_PRIORITY);
-
-        mHelper.createNotificationChannel(PKG, UID, channel, false);
-
-        // same id, try to update all fields
-        final NotificationChannel channel2 =
-                new NotificationChannel("id2", "name2", NotificationManager.IMPORTANCE_HIGH);
-        channel2.setBypassDnd(false);
-
-        mHelper.updateNotificationChannelFromAssistant(PKG, UID, channel2);
-
-        // no fields should be changed
-        assertEquals(channel, mHelper.getNotificationChannel(PKG, UID, channel.getId(), false));
-    }
-
-    @Test
-    public void testUpdate_userLockedRingtone() throws Exception {
-        // all fields locked by user
-        final NotificationChannel channel =
-                new NotificationChannel("id2", "name2", IMPORTANCE_LOW);
-        channel.setSound(new Uri.Builder().scheme("test").build(), mAudioAttributes);
-        channel.lockFields(NotificationChannel.USER_LOCKED_SOUND);
-
-        mHelper.createNotificationChannel(PKG, UID, channel, false);
-
-        // same id, try to update all fields
-        final NotificationChannel channel2 =
-                new NotificationChannel("id2", "name2", NotificationManager.IMPORTANCE_HIGH);
-        channel2.setSound(new Uri.Builder().scheme("test2").build(), mAudioAttributes);
-
-        mHelper.updateNotificationChannelFromAssistant(PKG, UID, channel2);
-
-        // no fields should be changed
-        assertEquals(channel, mHelper.getNotificationChannel(PKG, UID, channel.getId(), false));
-    }
-
-    @Test
-    public void testUpdate_userLockedBadge() throws Exception {
-        final NotificationChannel channel =
-                new NotificationChannel("id2", "name2", IMPORTANCE_LOW);
-        channel.setShowBadge(true);
-        channel.lockFields(NotificationChannel.USER_LOCKED_SHOW_BADGE);
-
-        mHelper.createNotificationChannel(PKG, UID, channel, false);
-
-        final NotificationChannel channel2 =
-                new NotificationChannel("id2", "name2", NotificationManager.IMPORTANCE_HIGH);
-        channel2.setShowBadge(false);
-
-        mHelper.updateNotificationChannelFromAssistant(PKG, UID, channel2);
-
-        // no fields should be changed
-        assertEquals(channel, mHelper.getNotificationChannel(PKG, UID, channel.getId(), false));
-    }
 
     @Test
     public void testUpdate() throws Exception {
@@ -816,30 +673,6 @@
     }
 
     @Test
-    public void testUpdateDeletedChannels() throws Exception {
-        NotificationChannel channel =
-                new NotificationChannel("id2", "name2", IMPORTANCE_LOW);
-        mHelper.createNotificationChannel(PKG, UID, channel, true);
-
-        mHelper.deleteNotificationChannel(PKG, UID, channel.getId());
-
-        channel.setSound(new Uri.Builder().scheme("test").build(), mAudioAttributes);
-        try {
-            mHelper.updateNotificationChannel(PKG, UID, channel);
-            fail("Updated deleted channel");
-        } catch (IllegalArgumentException e) {
-            // :)
-        }
-
-        try {
-            mHelper.updateNotificationChannelFromAssistant(PKG, UID, channel);
-            fail("Updated deleted channel");
-        } catch (IllegalArgumentException e) {
-            // :)
-        }
-    }
-
-    @Test
     public void testCreateDeletedChannel() throws Exception {
         long[] vibration = new long[]{100, 67, 145, 156};
         NotificationChannel channel =