Disallow buzz/beep/disturb changes for notifications with locked importance.

If mAppRow.lockedImportance (which comes from the whitelist config_nonBlockableNotificationPackages), don't allow sound, vibration, or override dnd to be changed.

Bug: 38480212
Test: manually verified for now
Change-Id: I04aa7f15f2480472ec6ee487472098e81ab3d99f

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

@@ -175,6 +175,7 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
     private void setupVibrate() {
         mVibrate = (RestrictedSwitchPreference) findPreference(KEY_VIBRATE);
         mVibrate.setDisabledByAdmin(mSuspendedAppsAdmin);
+        mVibrate.setEnabled(!(mAppRow.lockedImportance || mVibrate.isDisabledByAdmin()));
         mVibrate.setChecked(mChannel.shouldVibrate());
         mVibrate.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
             @Override
@@ -191,6 +192,7 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
     private void setupRingtone() {
         mRingtone = (NotificationSoundPreference) findPreference(KEY_RINGTONE);
         mRingtone.setRingtone(mChannel.getSound());
+        mRingtone.setEnabled(!(mAppRow.lockedImportance));
         mRingtone.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
             @Override
             public boolean onPreferenceChange(Preference preference, Object newValue) {
@@ -246,12 +248,15 @@ public class ChannelNotificationSettings extends NotificationSettingsBase {
         channelArgs.putBoolean(AppHeader.EXTRA_HIDE_INFO_BUTTON, true);
         channelArgs.putString(AppInfoBase.ARG_PACKAGE_NAME, mPkg);
         channelArgs.putString(Settings.EXTRA_CHANNEL_ID, mChannel.getId());
+        mImportance.setEnabled(mSuspendedAppsAdmin == null && !mAppRow.lockedImportance);
+        // Set up intent to show importance selection only if this setting is enabled.
+        if (mImportance.isEnabled()) {
             Intent channelIntent = Utils.onBuildStartFragmentIntent(getActivity(),
                     ChannelImportanceSettings.class.getName(),
                     channelArgs, null, R.string.notification_importance_title, null,
                     false, getMetricsCategory());
             mImportance.setIntent(channelIntent);
-        mImportance.setEnabled(mSuspendedAppsAdmin == null);
+        }
         mImportance.setSummary(getImportanceSummary(mChannel.getImportance()));
     }
 

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

@@ -293,6 +293,8 @@ abstract public class NotificationSettingsBase extends SettingsPreferenceFragmen
     private void setupImportanceToggle() {
         mImportanceToggle = (RestrictedSwitchPreference) findPreference(KEY_ALLOW_SOUND);
         mImportanceToggle.setDisabledByAdmin(mSuspendedAppsAdmin);
+        mImportanceToggle.setEnabled(!(mAppRow.lockedImportance
+                || mImportanceToggle.isDisabledByAdmin()));
         mImportanceToggle.setChecked(mChannel.getImportance() >= IMPORTANCE_DEFAULT
                 || mChannel.getImportance() == IMPORTANCE_UNSPECIFIED);
         mImportanceToggle.setOnPreferenceChangeListener(
@@ -313,6 +315,7 @@ abstract public class NotificationSettingsBase extends SettingsPreferenceFragmen
     protected void setupPriorityPref(boolean priority) {
         mPriority = (RestrictedSwitchPreference) findPreference(KEY_BYPASS_DND);
         mPriority.setDisabledByAdmin(mSuspendedAppsAdmin);
+        mPriority.setEnabled(!(mAppRow.lockedImportance || mPriority.isDisabledByAdmin()));
         mPriority.setChecked(priority);
         mPriority.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
             @Override