/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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package com.android.settings.nfc;
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import android.app.settings.SettingsEnums;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.text.TextUtils;
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import androidx.preference.DropDownPreference;
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import androidx.preference.Preference;
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import androidx.preference.PreferenceScreen;
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import com.android.settings.R;
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import com.android.settings.core.BasePreferenceController;
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import com.android.settings.overlay.FeatureFactory;
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import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
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import com.android.settingslib.core.lifecycle.LifecycleObserver;
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import com.android.settingslib.core.lifecycle.events.OnStart;
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import com.android.settingslib.core.lifecycle.events.OnStop;
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import java.util.List;
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public class NfcForegroundPreferenceController extends BasePreferenceController implements
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PaymentBackend.Callback, Preference.OnPreferenceChangeListener,
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LifecycleObserver, OnStart, OnStop {
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private DropDownPreference mPreference;
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private PaymentBackend mPaymentBackend;
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private MetricsFeatureProvider mMetricsFeatureProvider;
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public NfcForegroundPreferenceController(Context context, String key) {
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super(context, key);
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mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider();
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}
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public void setPaymentBackend(PaymentBackend backend) {
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mPaymentBackend = backend;
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}
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@Override
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public void onStart() {
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if (mPaymentBackend != null) {
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mPaymentBackend.registerCallback(this);
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}
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}
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@Override
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public void onStop() {
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if (mPaymentBackend != null) {
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mPaymentBackend.unregisterCallback(this);
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}
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}
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@Override
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public int getAvailabilityStatus() {
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final PackageManager pm = mContext.getPackageManager();
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if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC)) {
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return UNSUPPORTED_ON_DEVICE;
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}
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if (mPaymentBackend == null) {
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return UNSUPPORTED_ON_DEVICE;
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}
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final List<PaymentBackend.PaymentAppInfo> appInfos = mPaymentBackend.getPaymentAppInfos();
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return (appInfos != null && !appInfos.isEmpty())
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? AVAILABLE
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: UNSUPPORTED_ON_DEVICE;
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}
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@Override
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public void displayPreference(PreferenceScreen screen) {
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super.displayPreference(screen);
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mPreference = screen.findPreference(getPreferenceKey());
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if (mPreference == null) {
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return;
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}
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mPreference.setEntries(new CharSequence[]{
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mContext.getText(R.string.nfc_payment_favor_open),
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mContext.getText(R.string.nfc_payment_favor_default)
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});
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mPreference.setEntryValues(new CharSequence[]{"1", "0"});
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}
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@Override
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public void onPaymentAppsChanged() {
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updateState(mPreference);
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}
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@Override
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public void updateState(Preference preference) {
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if (preference instanceof DropDownPreference) {
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((DropDownPreference) preference).setValue(
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mPaymentBackend.isForegroundMode() ? "1" : "0");
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}
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super.updateState(preference);
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}
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@Override
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public CharSequence getSummary() {
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return mPreference.getEntry();
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}
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@Override
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public boolean onPreferenceChange(Preference preference, Object newValue) {
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if (!(preference instanceof DropDownPreference)) {
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return false;
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}
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final DropDownPreference pref = (DropDownPreference) preference;
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final String newValueString = (String) newValue;
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pref.setSummary(pref.getEntries()[pref.findIndexOfValue(newValueString)]);
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final boolean foregroundMode = Integer.parseInt(newValueString) != 0;
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mPaymentBackend.setForegroundMode(foregroundMode);
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mMetricsFeatureProvider.action(mContext,
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foregroundMode ? SettingsEnums.ACTION_NFC_PAYMENT_FOREGROUND_SETTING
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: SettingsEnums.ACTION_NFC_PAYMENT_ALWAYS_SETTING);
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return true;
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}
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@Override
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public void updateNonIndexableKeys(List<String> keys) {
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final String key = getPreferenceKey();
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if (!TextUtils.isEmpty(key)) {
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keys.add(key);
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}
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}
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}
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