Change packagename to telephony

Also move it under package network, so all of them belong to
com.android.settings.network.telephony.

Bug: 114749736
Test: RunSettingsRoboTests
Change-Id: I35dbdcd5cc9dab939b0a3efccc8897b9a92338d1

src/com/android/settings/network/telephony/MobileDataPreferenceController.java

@@ -0,0 +1,189 @@
+/*
+ * 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.network.telephony;
+
+import android.content.Context;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Handler;
+import android.os.Looper;
+import android.provider.Settings;
+import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
+import android.text.TextUtils;
+
+import androidx.annotation.VisibleForTesting;
+import androidx.fragment.app.FragmentManager;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+import androidx.preference.SwitchPreference;
+
+import com.android.settings.core.TogglePreferenceController;
+import com.android.settingslib.core.lifecycle.LifecycleObserver;
+import com.android.settingslib.core.lifecycle.events.OnStart;
+import com.android.settingslib.core.lifecycle.events.OnStop;
+
+/**
+ * Preference controller for "Mobile data"
+ */
+public class MobileDataPreferenceController extends TogglePreferenceController
+        implements LifecycleObserver, OnStart, OnStop {
+
+    private static final String DIALOG_TAG = "MobileDataDialog";
+
+    private SwitchPreference mPreference;
+    private TelephonyManager mTelephonyManager;
+    private SubscriptionManager mSubscriptionManager;
+    private DataContentObserver mDataContentObserver;
+    private FragmentManager mFragmentManager;
+    private int mSubId;
+    @VisibleForTesting
+    int mDialogType;
+    @VisibleForTesting
+    boolean mNeedDialog;
+
+    public MobileDataPreferenceController(Context context, String key) {
+        super(context, key);
+        mSubscriptionManager = context.getSystemService(SubscriptionManager.class);
+        mDataContentObserver = new DataContentObserver(new Handler(Looper.getMainLooper()));
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID
+                ? AVAILABLE
+                : CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mPreference = (SwitchPreference) screen.findPreference(getPreferenceKey());
+    }
+
+    @Override
+    public void onStart() {
+        if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            mDataContentObserver.register(mContext, mSubId);
+        }
+    }
+
+    @Override
+    public void onStop() {
+        if (mSubId != SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            mDataContentObserver.unRegister(mContext);
+        }
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (TextUtils.equals(preference.getKey(), getPreferenceKey())) {
+            if (mNeedDialog) {
+                showDialog(mDialogType);
+            }
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        mNeedDialog = isDialogNeeded();
+
+        if (!mNeedDialog) {
+            // Update data directly if we don't need dialog
+            MobileNetworkUtils.setMobileDataEnabled(mContext, mSubId, isChecked, false);
+            return true;
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return mTelephonyManager.isDataEnabled();
+    }
+
+    public void init(FragmentManager fragmentManager, int subId) {
+        mFragmentManager = fragmentManager;
+        mSubId = subId;
+        mTelephonyManager = TelephonyManager.from(mContext).createForSubscriptionId(mSubId);
+    }
+
+    @VisibleForTesting
+    boolean isDialogNeeded() {
+        final boolean enableData = !mTelephonyManager.isDataEnabled();
+        final SubscriptionInfo currentSir = mSubscriptionManager.getActiveSubscriptionInfo(
+                mSubId);
+        final SubscriptionInfo nextSir = mSubscriptionManager.getDefaultDataSubscriptionInfo();
+        final boolean isMultiSim = (mTelephonyManager.getSimCount() > 1);
+        final boolean isMultipleDataOnCapable =
+                (mTelephonyManager.getNumberOfModemsWithSimultaneousDataConnections() > 1);
+        final boolean isDefaultDataSubscription = (nextSir != null && currentSir != null
+                && currentSir.getSubscriptionId() == nextSir.getSubscriptionId());
+        if (enableData) {
+            if (isMultiSim && !isMultipleDataOnCapable && !isDefaultDataSubscription) {
+                mDialogType = MobileDataDialogFragment.TYPE_MULTI_SIM_DIALOG;
+                return true;
+            }
+        } else {
+            if (!isMultiSim) {
+                mDialogType = MobileDataDialogFragment.TYPE_DISABLE_DIALOG;
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    private void showDialog(int type) {
+        final MobileDataDialogFragment dialogFragment = MobileDataDialogFragment.newInstance(type,
+                mSubId);
+        dialogFragment.show(mFragmentManager, DIALOG_TAG);
+    }
+
+    /**
+     * Listener that listens mobile data state change.
+     */
+    public class DataContentObserver extends ContentObserver {
+
+        public DataContentObserver(Handler handler) {
+            super(handler);
+        }
+
+        @Override
+        public void onChange(boolean selfChange) {
+            super.onChange(selfChange);
+            updateState(mPreference);
+        }
+
+        public void register(Context context, int subId) {
+            Uri uri = Settings.Global.getUriFor(Settings.Global.MOBILE_DATA);
+            if (TelephonyManager.getDefault().getSimCount() != 1) {
+                uri = Settings.Global.getUriFor(Settings.Global.MOBILE_DATA + subId);
+            }
+            context.getContentResolver().registerContentObserver(uri, false, this);
+
+        }
+
+        public void unRegister(Context context) {
+            context.getContentResolver().unregisterContentObserver(this);
+        }
+    }
+}