Add settings for apps that don't use full conversations

Test: make -j64 RunSettingsRoboTests ROBOTEST_FILTER="com.android.settings.notification"
Fixes: 155276427
Change-Id: Ie145b9cdc9555d4676a8bd225427abc9222f31c5

src/com/android/settings/notification/app/InvalidConversationPreferenceController.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.notification.app;
+
+import android.app.NotificationChannel;
+import android.content.Context;
+
+import androidx.preference.Preference;
+
+import com.android.settings.R;
+import com.android.settings.notification.NotificationBackend;
+import com.android.settingslib.RestrictedSwitchPreference;
+
+public class InvalidConversationPreferenceController extends NotificationPreferenceController
+        implements Preference.OnPreferenceChangeListener {
+
+    private static final String KEY = "invalid_conversation_switch";
+
+    public InvalidConversationPreferenceController(Context context, NotificationBackend backend) {
+        super(context, backend);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        if (mAppRow == null) {
+            return false;
+        }
+        if (mAppRow.banned) {
+            return false;
+        }
+        return mBackend.isInInvalidMsgState(mAppRow.pkg, mAppRow.uid);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        if (mAppRow == null) {
+            return;
+        }
+        RestrictedSwitchPreference pref = (RestrictedSwitchPreference) preference;
+        pref.setDisabledByAdmin(mAdmin);
+        pref.setEnabled(!pref.isDisabledByAdmin());
+        pref.setChecked(!mBackend.hasUserDemotedInvalidMsgApp(mAppRow.pkg, mAppRow.uid));
+        preference.setSummary(mContext.getString(
+                R.string.conversation_section_switch_summary, mAppRow.label));
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        if (mAppRow == null) {
+            return false;
+        }
+        mBackend.setInvalidMsgAppDemoted(mAppRow.pkg, mAppRow.uid, !((Boolean) newValue));
+        return true;
+    }
+}