Cherish: notch-city: Add 3 mode display cutout handler [3/3]

[AgentFabulous - POSP]
- Add the respective control in here
- Also add a little video illustration I made to go along with it :)

Signed-off-by: Kshitij Gupta <kshitijgm@gmail.com>
Signed-off-by: Arghya Chanda <arghyac35@gmail.com>
Change-Id: I8fe68610a50e2a430363dc09f4a9adb8a4563ad0
Signed-off-by: Hưng Phan <phandinhhungvp2001@gmail.com>

src/com/cherish/settings/fragments/StatusBarSettings.java

@@ -46,6 +46,8 @@ public class StatusBarSettings extends SettingsPreferenceFragment implements
 	
 	private SystemSettingMasterSwitchPreference mStatusBarLogo;
 
+    private static final String PREF_KEY_CUTOUT = "cutout_settings";
+
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
@@ -61,6 +63,7 @@ public class StatusBarSettings extends SettingsPreferenceFragment implements
                 Settings.System.STATUS_BAR_LOGO, 0) == 1));
         mStatusBarLogo.setOnPreferenceChangeListener(this);
 		
+		Preference mCutoutPref = (Preference) findPreference(PREF_KEY_CUTOUT);
     }
 
     @Override

src/com/cherish/settings/preferences/fragments/CutoutFragment.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2018 The Potato Open Sauce 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.cherish.settings.fragments;
+
+import android.os.Bundle;
+import android.content.Context;
+import android.preference.Preference.OnPreferenceChangeListener;
+import android.provider.SearchIndexableResource;
+import android.provider.Settings;
+import androidx.preference.ListPreference;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceCategory;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.PreferenceFragment;
+
+import com.android.settings.R;
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.Indexable;
+import com.android.settings.SettingsPreferenceFragment;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CutoutFragment extends SettingsPreferenceFragment
+        implements Preference.OnPreferenceChangeListener, Indexable {
+
+    private static final String KEY_DISPLAY_CUTOUT_STYLE = "display_cutout_style";
+    private ListPreference mCutoutStyle;
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        if (preference == mCutoutStyle) {
+            String value = (String) newValue;
+            Settings.System.putInt(getContentResolver(), Settings.System.DISPLAY_CUTOUT_MODE, Integer.valueOf(value));
+            int valueIndex = mCutoutStyle.findIndexOfValue(value);
+            mCutoutStyle.setValueIndex(valueIndex >= 0 ? valueIndex : 0);
+            mCutoutStyle.setSummary(mCutoutStyle.getEntries()[valueIndex]);
+        }
+        return false;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.cutout);
+        mCutoutStyle = (ListPreference) findPreference(KEY_DISPLAY_CUTOUT_STYLE);
+        int cutoutStyle = Settings.System.getInt(getContentResolver(),
+                Settings.System.DISPLAY_CUTOUT_MODE, 0);
+        int valueIndex = mCutoutStyle.findIndexOfValue(String.valueOf(cutoutStyle));
+        mCutoutStyle.setValueIndex(valueIndex >= 0 ? valueIndex : 0);
+        mCutoutStyle.setSummary(mCutoutStyle.getEntry());
+        mCutoutStyle.setOnPreferenceChangeListener(this);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+    }
+
+    public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER = new BaseSearchIndexProvider() {
+
+        @Override
+        public List<SearchIndexableResource> getXmlResourcesToIndex(Context context, boolean enabled) {
+            List<SearchIndexableResource> indexables = new ArrayList<>();
+            SearchIndexableResource indexable = new SearchIndexableResource(context);
+            indexable.xmlResId = R.xml.cutout;
+            indexables.add(indexable);
+            return indexables;
+        }
+
+        @Override
+        public List<String> getNonIndexableKeys(Context context) {
+            List<String> keys = super.getNonIndexableKeys(context);
+            return keys;
+        }
+    };
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.CHERISH_SETTINGS;
+    }
+}