--- /dev/null
+/*
+ * Copyright (C) 2016 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.datausage;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.NetworkPolicy;
+import android.net.NetworkTemplate;
+import android.os.Bundle;
+import android.os.RemoteException;
+import android.support.v7.preference.Preference;
+import android.util.AttributeSet;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.Utils;
+import com.android.settings.datausage.CellDataPreference.DataStateListener;
+
+public class BillingCyclePreference extends Preference implements TemplatePreference {
+
+ private NetworkTemplate mTemplate;
+ private NetworkServices mServices;
+ private NetworkPolicy mPolicy;
+ private int mSubId;
+
+ public BillingCyclePreference(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ }
+
+ @Override
+ public void onAttached() {
+ super.onAttached();
+ mListener.setListener(true, mSubId, getContext());
+ }
+
+ @Override
+ public void onDetached() {
+ mListener.setListener(false, mSubId, getContext());
+ super.onDetached();
+ }
+
+ @Override
+ public void setTemplate(NetworkTemplate template, int subId,
+ NetworkServices services) {
+ mTemplate = template;
+ mSubId = subId;
+ mServices = services;
+ mPolicy = services.mPolicyEditor.getPolicy(mTemplate);
+ setSummary(getContext().getString(R.string.billing_cycle_fragment_summary, mPolicy != null
+ ? mPolicy.cycleDay
+ : "1"));
+ setIntent(getIntent());
+ }
+
+ private void updateEnabled() {
+ try {
+ setEnabled(mPolicy != null && mServices.mNetworkService.isBandwidthControlEnabled()
+ && mServices.mTelephonyManager.getDataEnabled(mSubId)
+ && mServices.mUserManager.isAdminUser());
+ } catch (RemoteException e) {
+ setEnabled(false);
+ }
+ }
+
+ @Override
+ public Intent getIntent() {
+ Bundle args = new Bundle();
+ args.putParcelable(DataUsageList.EXTRA_NETWORK_TEMPLATE, mTemplate);
+ return Utils.onBuildStartFragmentIntent(getContext(), BillingCycleSettings.class.getName(),
+ args, null, 0, getTitle(), false, MetricsProto.MetricsEvent.VIEW_UNKNOWN);
+ }
+
+ private final DataStateListener mListener = new DataStateListener() {
+ @Override
+ public void onChange(boolean selfChange) {
+ updateEnabled();
+ }
+ };
+}