Reorganize notification Settings classes

The notification package was getting too big.

Test: make -j64 RunSettingsRoboTests
Fixes: 145224451
Change-Id: I25ba82f42f7a137d8adcce72dcf8089d0e018bdc

src/com/android/settings/notification/zen/ZenModePriorityMessagesPreferenceController.java

@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2018 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.zen;
+
+import android.app.NotificationManager;
+import android.content.Context;
+import android.provider.Settings;
+import android.text.TextUtils;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.R;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+public class ZenModePriorityMessagesPreferenceController extends AbstractZenModePreferenceController
+        implements Preference.OnPreferenceChangeListener {
+
+    protected static final String KEY = "zen_mode_messages";
+    private final ZenModeBackend mBackend;
+    private ListPreference mPreference;
+    private final String[] mListValues;
+
+    public ZenModePriorityMessagesPreferenceController(Context context, Lifecycle lifecycle) {
+        super(context, KEY, lifecycle);
+        mBackend = ZenModeBackend.getInstance(context);
+        mListValues = context.getResources().getStringArray(R.array.zen_mode_contacts_values);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mPreference = screen.findPreference(KEY);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        updateFromContactsValue(preference);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object selectedContactsFrom) {
+        mBackend.saveSenders(NotificationManager.Policy.PRIORITY_CATEGORY_MESSAGES,
+                ZenModeBackend.getSettingFromPrefKey(selectedContactsFrom.toString()));
+        updateFromContactsValue(preference);
+        return true;
+    }
+
+    private void updateFromContactsValue(Preference preference) {
+        mPreference = (ListPreference) preference;
+        switch (getZenMode()) {
+            case Settings.Global.ZEN_MODE_NO_INTERRUPTIONS:
+            case Settings.Global.ZEN_MODE_ALARMS:
+                mPreference.setEnabled(false);
+                mPreference.setValue(ZenModeBackend.ZEN_MODE_FROM_NONE);
+                mPreference.setSummary(mBackend.getAlarmsTotalSilenceCallsMessagesSummary(
+                        NotificationManager.Policy.PRIORITY_CATEGORY_MESSAGES));
+                break;
+            default:
+                preference.setEnabled(true);
+                preference.setSummary(mBackend.getContactsSummary(
+                        NotificationManager.Policy.PRIORITY_CATEGORY_MESSAGES));
+
+                final String currentVal = ZenModeBackend.getKeyFromSetting(
+                        mBackend.getPriorityMessageSenders());
+                mPreference.setValue(mListValues[getIndexOfSendersValue(currentVal)]);
+        }
+    }
+
+    @VisibleForTesting
+    protected int getIndexOfSendersValue(String currentVal) {
+        int index = 3; // defaults to "none" based on R.array.zen_mode_contacts_values
+        for (int i = 0; i < mListValues.length; i++) {
+            if (TextUtils.equals(currentVal, mListValues[i])) {
+                return i;
+            }
+        }
+
+        return index;
+    }
+}