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/ZenModeAutomaticRulesPreferenceController.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2017 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.AutomaticZenRule;
+import android.content.Context;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.fragment.app.Fragment;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settingslib.core.lifecycle.Lifecycle;
+
+import java.util.Map;
+import java.util.Objects;
+
+public class ZenModeAutomaticRulesPreferenceController extends
+        AbstractZenModeAutomaticRulePreferenceController {
+
+    protected static final String KEY = "zen_mode_automatic_rules";
+
+    @VisibleForTesting
+    protected PreferenceCategory mPreferenceCategory;
+
+    public ZenModeAutomaticRulesPreferenceController(Context context, Fragment parent, Lifecycle
+            lifecycle) {
+        super(context, KEY, parent, lifecycle);
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return true;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mPreferenceCategory = screen.findPreference(getPreferenceKey());
+        mPreferenceCategory.setPersistent(false);
+    }
+
+    @Override
+    public void updateState(Preference preference) {
+        super.updateState(preference);
+        Map.Entry<String, AutomaticZenRule>[] sortedRules = getRules();
+        final int currNumPreferences = mPreferenceCategory.getPreferenceCount();
+        if (currNumPreferences == sortedRules.length) {
+            for (int i = 0; i < sortedRules.length; i++) {
+                ZenRulePreference pref = (ZenRulePreference) mPreferenceCategory.getPreference(i);
+                // we are either:
+                // 1. updating everything about the rule
+                // 2. rule was added or deleted, so reload the entire list
+                if (Objects.equals(pref.mId, sortedRules[i].getKey())) {
+                    AutomaticZenRule rule = sortedRules[i].getValue();
+                    pref.updatePreference(rule);
+                } else {
+                    reloadAllRules(sortedRules);
+                    break;
+                }
+            }
+        } else {
+            reloadAllRules(sortedRules);
+        }
+    }
+
+    @VisibleForTesting
+    void reloadAllRules(Map.Entry<String, AutomaticZenRule>[] rules) {
+        mPreferenceCategory.removeAll();
+        for (Map.Entry<String, AutomaticZenRule> rule : rules) {
+            ZenRulePreference pref = createZenRulePreference(rule);
+            mPreferenceCategory.addPreference(pref);
+        }
+    }
+
+    @VisibleForTesting
+    ZenRulePreference createZenRulePreference(Map.Entry<String, AutomaticZenRule> rule) {
+        return new ZenRulePreference(mPreferenceCategory.getContext(),
+                rule, mParent, mMetricsFeatureProvider);
+    }
+}