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/*
* Copyright (C) 2013 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.content.ComponentName;
import android.content.DialogInterface;
import android.content.Intent;
import android.nfc.cardemulation.CardEmulation;
import android.os.Bundle;
import android.util.Log;
import com.android.internal.app.AlertActivity;
import com.android.internal.app.AlertController;
import com.android.settings.R;
import com.android.settings.nfc.PaymentBackend.PaymentAppInfo;
import java.util.List;
public final class PaymentDefaultDialog extends AlertActivity implements
DialogInterface.OnClickListener {
public static final String TAG = "PaymentDefaultDialog";
private static final int PAYMENT_APP_MAX_CAPTION_LENGTH = 40;
private PaymentBackend mBackend;
private ComponentName mNewDefault;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mBackend = new PaymentBackend(this);
Intent intent = getIntent();
ComponentName component = intent.getParcelableExtra(
CardEmulation.EXTRA_SERVICE_COMPONENT);
String category = intent.getStringExtra(CardEmulation.EXTRA_CATEGORY);
setResult(RESULT_CANCELED);
if (!buildDialog(component, category)) {
finish();
}
}
@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case BUTTON_POSITIVE:
mBackend.setDefaultPaymentApp(mNewDefault);
setResult(RESULT_OK);
break;
case BUTTON_NEGATIVE:
break;
}
}
private boolean buildDialog(ComponentName component, String category) {
if (component == null || category == null) {
Log.e(TAG, "Component or category are null");
return false;
}
if (!CardEmulation.CATEGORY_PAYMENT.equals(category)) {
Log.e(TAG, "Don't support defaults for category " + category);
return false;
}
// Check if passed in service exists
PaymentAppInfo requestedPaymentApp = null;
PaymentAppInfo defaultPaymentApp = null;
List<PaymentAppInfo> services = mBackend.getPaymentAppInfos();
for (PaymentAppInfo service : services) {
if (component.equals(service.componentName)) {
requestedPaymentApp = service;
}
if (service.isDefault) {
defaultPaymentApp = service;
}
}
if (requestedPaymentApp == null) {
Log.e(TAG, "Component " + component + " is not a registered payment service.");
return false;
}
// Get current mode and default component
ComponentName defaultComponent = mBackend.getDefaultPaymentApp();
if (defaultComponent != null && defaultComponent.equals(component)) {
Log.e(TAG, "Component " + component + " is already default.");
return false;
}
mNewDefault = component;
// Compose dialog; get
final AlertController.AlertParams p = mAlertParams;
p.mTitle = getString(R.string.nfc_payment_set_default_label);
if (defaultPaymentApp == null) {
String formatString = getString(R.string.nfc_payment_set_default);
String msg = String.format(formatString,
sanitizePaymentAppCaption(requestedPaymentApp.caption.toString()));
p.mMessage = msg;
} else {
String formatString = getString(R.string.nfc_payment_set_default_instead_of);
String msg = String.format(formatString,
sanitizePaymentAppCaption(requestedPaymentApp.caption.toString()),
sanitizePaymentAppCaption(defaultPaymentApp.caption.toString()));
p.mMessage = msg;
}
p.mPositiveButtonText = getString(R.string.yes);
p.mNegativeButtonText = getString(R.string.no);
p.mPositiveButtonListener = this;
p.mNegativeButtonListener = this;
setupAlert();
return true;
}
private String sanitizePaymentAppCaption(String input) {
String sanitizedString = input.replace('\n', ' ').replace('\r', ' ').trim();
if (sanitizedString.length() > PAYMENT_APP_MAX_CAPTION_LENGTH) {
return sanitizedString.substring(0, PAYMENT_APP_MAX_CAPTION_LENGTH);
}
return sanitizedString;
}
}
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