| /* |
| * 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.nfc; |
| |
| import android.app.settings.SettingsEnums; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.text.TextUtils; |
| |
| import androidx.preference.DropDownPreference; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.R; |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settings.overlay.FeatureFactory; |
| import com.android.settingslib.core.instrumentation.MetricsFeatureProvider; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnStart; |
| import com.android.settingslib.core.lifecycle.events.OnStop; |
| |
| import java.util.List; |
| |
| public class NfcForegroundPreferenceController extends BasePreferenceController implements |
| PaymentBackend.Callback, Preference.OnPreferenceChangeListener, |
| LifecycleObserver, OnStart, OnStop { |
| |
| private DropDownPreference mPreference; |
| private PaymentBackend mPaymentBackend; |
| private MetricsFeatureProvider mMetricsFeatureProvider; |
| |
| public NfcForegroundPreferenceController(Context context, String key) { |
| super(context, key); |
| mMetricsFeatureProvider = FeatureFactory.getFactory(context).getMetricsFeatureProvider(); |
| } |
| |
| public void setPaymentBackend(PaymentBackend backend) { |
| mPaymentBackend = backend; |
| } |
| |
| @Override |
| public void onStart() { |
| if (mPaymentBackend != null) { |
| mPaymentBackend.registerCallback(this); |
| } |
| } |
| |
| @Override |
| public void onStop() { |
| if (mPaymentBackend != null) { |
| mPaymentBackend.unregisterCallback(this); |
| } |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| final PackageManager pm = mContext.getPackageManager(); |
| if (!pm.hasSystemFeature(PackageManager.FEATURE_NFC)) { |
| return UNSUPPORTED_ON_DEVICE; |
| } |
| if (mPaymentBackend == null) { |
| return UNSUPPORTED_ON_DEVICE; |
| } |
| final List<PaymentBackend.PaymentAppInfo> appInfos = mPaymentBackend.getPaymentAppInfos(); |
| return (appInfos != null && !appInfos.isEmpty()) |
| ? AVAILABLE |
| : UNSUPPORTED_ON_DEVICE; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreference = screen.findPreference(getPreferenceKey()); |
| if (mPreference == null) { |
| return; |
| } |
| |
| mPreference.setEntries(new CharSequence[]{ |
| mContext.getText(R.string.nfc_payment_favor_open), |
| mContext.getText(R.string.nfc_payment_favor_default) |
| }); |
| mPreference.setEntryValues(new CharSequence[]{"1", "0"}); |
| } |
| |
| @Override |
| public void onPaymentAppsChanged() { |
| updateState(mPreference); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| if (preference instanceof DropDownPreference) { |
| ((DropDownPreference) preference).setValue( |
| mPaymentBackend.isForegroundMode() ? "1" : "0"); |
| } |
| super.updateState(preference); |
| } |
| |
| @Override |
| public CharSequence getSummary() { |
| return mPreference.getEntry(); |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| if (!(preference instanceof DropDownPreference)) { |
| return false; |
| } |
| final DropDownPreference pref = (DropDownPreference) preference; |
| final String newValueString = (String) newValue; |
| pref.setSummary(pref.getEntries()[pref.findIndexOfValue(newValueString)]); |
| final boolean foregroundMode = Integer.parseInt(newValueString) != 0; |
| mPaymentBackend.setForegroundMode(foregroundMode); |
| mMetricsFeatureProvider.action(mContext, |
| foregroundMode ? SettingsEnums.ACTION_NFC_PAYMENT_FOREGROUND_SETTING |
| : SettingsEnums.ACTION_NFC_PAYMENT_ALWAYS_SETTING); |
| return true; |
| } |
| |
| @Override |
| public void updateNonIndexableKeys(List<String> keys) { |
| final String key = getPreferenceKey(); |
| if (!TextUtils.isEmpty(key)) { |
| keys.add(key); |
| } |
| } |
| } |