Prevent whitelisted apps from blocking and silencing

Change-Id: I34cb5c2c59d56b68ed1500c8c79cd65676c0af25
Fixes: 35841524
Test: manual

src/com/android/settings/notification/AppNotificationSettings.java

@@ -218,7 +218,7 @@ public class AppNotificationSettings extends NotificationSettingsBase {
     }
 
     private void setupBlock() {
-        if (mAppRow.systemApp) {
+        if (mAppRow.systemApp && !mAppRow.banned) {
             setVisible(mBlock, false);
         } else {
             mBlock.setDisabledByAdmin(mSuspendedAppsAdmin);
@@ -243,6 +243,9 @@ public class AppNotificationSettings extends NotificationSettingsBase {
             setVisible(category, !banned);
         }
         setVisible(mBadge, !banned);
+        if (mAppRow.systemApp && !mAppRow.banned) {
+            setVisible(mBlock, false);
+        }
     }
 
     private Comparator<NotificationChannel> mChannelComparator =

src/com/android/settings/notification/ChannelNotificationSettings.java

@@ -134,7 +134,9 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
         }
         mLights.setDisabledByAdmin(mSuspendedAppsAdmin);
         mVibrate.setDisabledByAdmin(mSuspendedAppsAdmin);
+        if (mImportance.isEnabled()) {
             mImportance.setDisabledByAdmin(mSuspendedAppsAdmin);
+        }
         mPriority.setDisabledByAdmin(mSuspendedAppsAdmin);
         mVisibilityOverride.setDisabledByAdmin(mSuspendedAppsAdmin);
     }
@@ -185,6 +187,10 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
     }
 
     protected void setupBlockAndImportance() {
+        if (mAppRow.systemApp && mChannel.getImportance() != NotificationManager.IMPORTANCE_NONE) {
+            setVisible(mBlock, false);
+        } else {
+            mBlock.setEnabled(mAppRow.systemApp);
             mBlock.setDisabledByAdmin(mSuspendedAppsAdmin);
             mBlock.setChecked(mChannel.getImportance() == NotificationManager.IMPORTANCE_NONE);
             mBlock.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
@@ -200,6 +206,7 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
                     return true;
                 }
             });
+        }
         mBadge.setDisabledByAdmin(mSuspendedAppsAdmin);
         mBadge.setEnabled(mAppRow.showBadge);
         mBadge.setChecked(mChannel.canShowBadge());
@@ -217,7 +224,8 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
         mImportance.setDisabledByAdmin(mSuspendedAppsAdmin);
         final int numImportances = IMPORTANCE_HIGH - IMPORTANCE_MIN + 1;
         List<String> summaries = new ArrayList<>();
-        List<String> values = new ArrayList<>();;
+        List<String> values = new ArrayList<>();
+        ;
         for (int i = 0; i < numImportances; i++) {
             int importance = i + 1;
             summaries.add(getImportanceSummary(importance));
@@ -232,7 +240,9 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
         mImportance.setEntries(summaries.toArray(new String[0]));
         mImportance.setValue(String.valueOf(mChannel.getImportance()));
         mImportance.setSummary("%s");
-
+        if (mAppRow.lockedImportance) {
+            mImportance.setEnabled(false);
+        } else {
             mImportance.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
                 @Override
                 public boolean onPreferenceChange(Preference preference, Object newValue) {
@@ -245,6 +255,7 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
                 }
             });
         }
+    }
 
     protected void setupPriorityPref(boolean priority) {
         mPriority.setDisabledByAdmin(mSuspendedAppsAdmin);

src/com/android/settings/notification/NotificationBackend.java

@@ -64,7 +64,7 @@ public class NotificationBackend {
             int N = nonBlockablePkgs.length;
             for (int i = 0; i < N; i++) {
                 if (app.packageName.equals(nonBlockablePkgs[i])) {
-                    row.systemApp = true;
+                    row.systemApp = row.lockedImportance = true;
                 }
             }
         }
@@ -152,6 +152,7 @@ public class NotificationBackend {
         public boolean banned;
         public boolean first;  // first app in section
         public boolean systemApp;
+        public boolean lockedImportance;
         public boolean showBadge;
         public int userId;
     }

src/com/android/settings/notification/NotificationSettingsBase.java

@@ -148,7 +148,9 @@ abstract public class NotificationSettingsBase extends SettingsPreferenceFragmen
         }
         mSuspendedAppsAdmin = RestrictedLockUtils.checkIfApplicationIsSuspended(
                 mContext, mPkg, mUserId);
+        if (mBlock.isEnabled()) {
             mBlock.setDisabledByAdmin(mSuspendedAppsAdmin);
+        }
         mBadge.setDisabledByAdmin(mSuspendedAppsAdmin);
     }