Cherish: Custom Carrier Label & Carrier Label Placement [2/2]

Credit/Thanks to @Altaf-Mahdi @beanstown106 and @martincz

Change-Id: Ia7b29f85d7a1286bd15dc4427727a683e133ab3f

res/values/cherish_arrays.xml

@@ -303,4 +303,18 @@
         <item>300000</item>
         <item>600000</item>
     </string-array>
+	
+	<!-- Carrier Label -->
+    <string-array name="carrier_label_entries" translatable="false">
+        <item>@string/show_carrier_disabled</item>
+        <item>@string/show_carrier_keyguard</item>
+        <item>@string/show_carrier_statusbar</item>
+        <item>@string/show_carrier_enabled</item>
+    </string-array>
+    <string-array name="carrier_label_values" translatable="false">
+        <item>0</item>
+        <item>1</item>
+        <item>2</item>
+        <item>3</item>
+    </string-array>
 </resources>

res/values/cherish_strings.xml

@@ -306,4 +306,16 @@
     <string name="adaptive_playback_timeout_5_min">5 minutes</string>
     <string name="adaptive_playback_timeout_10_min">10 minutes</string>
 	
+	<!-- Custom carrier label and position -->
+    <string name="carrier_label_settings_title">Carrier label</string>
+    <string name="carrier_label_settings_summary">Customize the carrier label</string>
+    <string name="custom_carrier_label_title">Custom carrier label</string>
+    <string name="custom_carrier_label_explain">Enter a custom label. Leave blank to use your network name</string>
+    <string name="custom_carrier_label_notset">Custom label currently not set</string>
+    <string name="show_carrier_title">Carrier label location</string>
+    <string name="show_carrier_disabled">Disabled</string>
+    <string name="show_carrier_keyguard">Lockscreen</string>
+    <string name="show_carrier_statusbar">Statusbar</string>
+    <string name="show_carrier_enabled">Both</string>
+
 </resources>

res/xml/cherish_settings_statusbar.xml

@@ -15,6 +15,12 @@
     android:title="@string/statusbar_title"
     xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">
 	
+	<Preference
+            android:key="carrier_label"
+            android:title="@string/carrier_label_settings_title"
+            android:summary="@string/carrier_label_settings_summary"
+            android:fragment="com.cherish.settings.fragments.CustomCarrierLabel" />
+
 	<PreferenceCategory
             android:key="status_bar_icons"
             android:title="@string/status_bar_system_icons_title">

res/xml/custom_carrier_label.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2020 CherishOS
+
+     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.
+-->
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+	android:title="@string/carrier_label_settings_title"
+    xmlns:settings="http://schemas.android.com/apk/res/com.android.settings">
+
+    <com.cherish.settings.preferences.SystemSettingListPreference
+        android:key="status_bar_show_carrier"
+        android:title="@string/show_carrier_title"
+        android:entries="@array/carrier_label_entries"
+        android:entryValues="@array/carrier_label_values"
+        android:summary="%s"
+        android:defaultValue="1" />
+
+    <PreferenceScreen
+        android:key="custom_carrier_label"
+        android:title="@string/custom_carrier_label_title" />
+
+</PreferenceScreen>

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

@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2020 CherishOS
+ *
+ * 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.app.AlertDialog;
+import android.content.ContentResolver;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnCancelListener;
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.UserHandle;
+import android.provider.Settings;
+import android.text.Spannable;
+import android.text.TextUtils;
+import android.widget.EditText;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.internal.logging.nano.MetricsProto;
+
+import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
+
+public class CustomCarrierLabel extends SettingsPreferenceFragment
+        implements Preference.OnPreferenceChangeListener {
+
+    public static final String TAG = "CarrierLabel";
+    private static final String CUSTOM_CARRIER_LABEL = "custom_carrier_label";
+
+    private PreferenceScreen mCustomCarrierLabel;
+    private String mCustomCarrierLabelText;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        ContentResolver resolver = getActivity().getContentResolver();
+
+        addPreferencesFromResource(R.xml.custom_carrier_label);
+        PreferenceScreen prefSet = getPreferenceScreen();
+
+        mCustomCarrierLabel = (PreferenceScreen) findPreference(CUSTOM_CARRIER_LABEL);
+        updateCustomLabelTextSummary();
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        return false;
+    }
+
+    public boolean onPreferenceTreeClick(Preference preference) {
+        ContentResolver resolver = getActivity().getContentResolver();
+        boolean value;
+        if (preference == mCustomCarrierLabel) {
+            AlertDialog.Builder alert = new AlertDialog.Builder(getActivity());
+            alert.setTitle(R.string.custom_carrier_label_title);
+            alert.setMessage(R.string.custom_carrier_label_explain);
+            // Set an EditText view to get user input
+            final EditText input = new EditText(getActivity());
+            input.setText(TextUtils.isEmpty(mCustomCarrierLabelText) ? "" : mCustomCarrierLabelText);
+            input.setSelection(input.getText().length());
+            alert.setView(input);
+            alert.setPositiveButton(getString(android.R.string.ok),
+                    new DialogInterface.OnClickListener() {
+                        public void onClick(DialogInterface dialog, int whichButton) {
+                            String value = ((Spannable) input.getText()).toString().trim();
+                            Settings.System.putString(resolver, Settings.System.CUSTOM_CARRIER_LABEL, value);
+                            updateCustomLabelTextSummary();
+                            Intent i = new Intent();
+                            i.setAction(Intent.ACTION_CUSTOM_CARRIER_LABEL_CHANGED);
+                            getActivity().sendBroadcast(i);
+                }
+            });
+            alert.setNegativeButton(getString(android.R.string.cancel), null);
+            alert.show();
+            return true;
+        }
+        return false;
+    }
+
+    private void updateCustomLabelTextSummary() {
+        mCustomCarrierLabelText = Settings.System.getString(
+            getContentResolver(), Settings.System.CUSTOM_CARRIER_LABEL);
+        if (TextUtils.isEmpty(mCustomCarrierLabelText)) {
+            mCustomCarrierLabel.setSummary(R.string.custom_carrier_label_notset);
+        } else {
+            mCustomCarrierLabel.setSummary(mCustomCarrierLabelText);
+        }
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.CHERISH_SETTINGS;
+    }
+}