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/*
* Copyright (C) 2015 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.AlertDialog;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.preference.DialogPreference;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.content.pm.PackageManager;
import com.android.settings.R;
import com.android.settings.nfc.PaymentBackend.PaymentAppInfo;
import java.util.List;
public class NfcPaymentPreference extends DialogPreference implements
DialogInterface.OnClickListener, PaymentBackend.Callback, View.OnClickListener {
private static final String TAG = "NfcPaymentPreference";
private final NfcPaymentAdapter mAdapter;
private final Context mContext;
private final LayoutInflater mLayoutInflater;
private final PaymentBackend mPaymentBackend;
// Fields below only modified on UI thread
private ImageView mSettingsButtonView;
public NfcPaymentPreference(Context context, PaymentBackend backend) {
super(context, null);
mPaymentBackend = backend;
mContext = context;
backend.registerCallback(this);
mAdapter = new NfcPaymentAdapter();
setDialogTitle(context.getString(R.string.nfc_payment_pay_with));
mLayoutInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
setWidgetLayoutResource(R.layout.preference_widget_settings);
refresh();
}
@Override
protected void onBindView(View view) {
super.onBindView(view);
mSettingsButtonView = (ImageView) view.findViewById(R.id.settings_button);
mSettingsButtonView.setOnClickListener(this);
updateSettingsVisibility();
}
/**
* MUST be called on UI thread.
*/
public void refresh() {
List<PaymentAppInfo> appInfos = mPaymentBackend.getPaymentAppInfos();
PaymentAppInfo defaultApp = mPaymentBackend.getDefaultApp();
if (appInfos != null) {
PaymentAppInfo[] apps = appInfos.toArray(new PaymentAppInfo[appInfos.size()]);
mAdapter.updateApps(apps, defaultApp);
}
setTitle(R.string.nfc_payment_default);
if (defaultApp != null) {
setSummary(defaultApp.label);
} else {
setSummary(mContext.getString(R.string.nfc_payment_default_not_set));
}
updateSettingsVisibility();
}
@Override
protected void onPrepareDialogBuilder(AlertDialog.Builder builder) {
super.onPrepareDialogBuilder(builder);
builder.setSingleChoiceItems(mAdapter, 0, this);
}
@Override
public void onPaymentAppsChanged() {
refresh();
}
@Override
public void onClick(View view) {
PaymentAppInfo defaultAppInfo = mPaymentBackend.getDefaultApp();
if (defaultAppInfo != null && defaultAppInfo.settingsComponent != null) {
Intent settingsIntent = new Intent(Intent.ACTION_MAIN);
settingsIntent.setComponent(defaultAppInfo.settingsComponent);
settingsIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
try {
mContext.startActivity(settingsIntent);
} catch (ActivityNotFoundException e) {
Log.e(TAG, "Settings activity not found.");
}
}
}
void updateSettingsVisibility() {
if (mSettingsButtonView != null) {
PaymentAppInfo defaultApp = mPaymentBackend.getDefaultApp();
if (defaultApp == null || defaultApp.settingsComponent == null) {
mSettingsButtonView.setVisibility(View.GONE);
} else {
mSettingsButtonView.setVisibility(View.VISIBLE);
}
}
}
class NfcPaymentAdapter extends BaseAdapter implements CompoundButton.OnCheckedChangeListener,
View.OnClickListener, View.OnLongClickListener {
// Only modified on UI thread
private PaymentAppInfo[] appInfos;
public NfcPaymentAdapter() {
}
public void updateApps(PaymentAppInfo[] appInfos, PaymentAppInfo currentDefault) {
// Clone app infos, only add those with a banner
this.appInfos = appInfos;
notifyDataSetChanged();
}
@Override
public int getCount() {
return appInfos.length;
}
@Override
public PaymentAppInfo getItem(int i) {
return appInfos[i];
}
@Override
public long getItemId(int i) {
return appInfos[i].componentName.hashCode();
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
PaymentAppInfo appInfo = appInfos[position];
if (convertView == null) {
convertView = mLayoutInflater.inflate(
R.layout.nfc_payment_option, parent, false);
holder = new ViewHolder();
holder.imageView = (ImageView) convertView.findViewById(R.id.banner);
holder.radioButton = (RadioButton) convertView.findViewById(R.id.button);
convertView.setTag(holder);
} else {
holder = (ViewHolder) convertView.getTag();
}
holder.imageView.setImageDrawable(appInfo.banner);
holder.imageView.setTag(appInfo);
holder.imageView.setContentDescription(appInfo.label);
holder.imageView.setOnClickListener(this);
holder.imageView.setOnLongClickListener(this);
// Prevent checked callback getting called on recycled views
holder.radioButton.setOnCheckedChangeListener(null);
holder.radioButton.setChecked(appInfo.isDefault);
holder.radioButton.setContentDescription(appInfo.label);
holder.radioButton.setOnCheckedChangeListener(this);
holder.radioButton.setTag(appInfo);
return convertView;
}
public class ViewHolder {
public ImageView imageView;
public RadioButton radioButton;
}
@Override
public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
PaymentAppInfo appInfo = (PaymentAppInfo) compoundButton.getTag();
makeDefault(appInfo);
}
@Override
public void onClick(View view) {
PaymentAppInfo appInfo = (PaymentAppInfo) view.getTag();
makeDefault(appInfo);
}
@Override
public boolean onLongClick(View view){
PaymentAppInfo appInfo = (PaymentAppInfo) view.getTag();
if (appInfo.componentName != null) {
Log.d(TAG, "LongClick: " + appInfo.componentName.toString());
PackageManager pm = mContext.getPackageManager();
Intent gsmaIntent =
pm.getLaunchIntentForPackage(appInfo.componentName.getPackageName());
if (gsmaIntent != null) {
gsmaIntent.setAction("com.gsma.services.nfc.SELECT_DEFAULT_SERVICE");
gsmaIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES);
gsmaIntent.setPackage(gsmaIntent.getPackage());
try {
mContext.startActivity(gsmaIntent);
} catch (ActivityNotFoundException e) {
Log.e(TAG, "Settings activity for " + appInfo.componentName.toString() + " not found.");
}
}
}
return true;
}
void makeDefault(PaymentAppInfo appInfo) {
if (!appInfo.isDefault) {
mPaymentBackend.setDefaultPaymentApp(appInfo.componentName);
}
getDialog().dismiss();
}
}
}
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