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/ZenRuleMessagesPreferenceController.java

@@ -0,0 +1,88 @@
+/*
+ * 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.settings.SettingsEnums;
+import android.content.Context;
+import android.service.notification.ZenPolicy;
+import android.text.TextUtils;
+import android.util.Pair;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+public class ZenRuleMessagesPreferenceController extends AbstractZenCustomRulePreferenceController
+        implements Preference.OnPreferenceChangeListener {
+
+    private final String[] mListValues;
+
+    public ZenRuleMessagesPreferenceController(Context context, String key, Lifecycle lifecycle) {
+        super(context, key, lifecycle);
+        mListValues = context.getResources().getStringArray(
+                com.android.settings.R.array.zen_mode_contacts_values);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        updateFromContactsValue(preference);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object selectedContactsFrom) {
+        int allowMessages = ZenModeBackend.getZenPolicySettingFromPrefKey(
+                selectedContactsFrom.toString());
+        mMetricsFeatureProvider.action(mContext,
+                SettingsEnums.ACTION_ZEN_ALLOW_MESSAGES,
+                Pair.create(MetricsProto.MetricsEvent.FIELD_ZEN_TOGGLE_EXCEPTION, allowMessages),
+                Pair.create(MetricsProto.MetricsEvent.FIELD_ZEN_RULE_ID, mId));
+        mRule.setZenPolicy(new ZenPolicy.Builder(mRule.getZenPolicy())
+                .allowMessages(allowMessages)
+                .build());
+        mBackend.updateZenRule(mId, mRule);
+        updateFromContactsValue(preference);
+        return true;
+    }
+
+    private void updateFromContactsValue(Preference preference) {
+        if (mRule == null || mRule.getZenPolicy() == null) {
+            return;
+        }
+        ListPreference listPreference = (ListPreference) preference;
+        listPreference.setSummary(mBackend.getContactsMessagesSummary(mRule.getZenPolicy()));
+        final String currentVal = ZenModeBackend.getKeyFromZenPolicySetting(
+                mRule.getZenPolicy().getPriorityMessageSenders());
+        listPreference.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;
+    }
+}