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/*
* Copyright (C) 2019 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.Context;
import android.nfc.NfcAdapter;
import android.os.UserManager;
import androidx.preference.SwitchPreference;
import com.android.settings.R;
/**
* SecureNfcEnabler is a helper to manage the Secure Nfc on/off checkbox preference
* It turns on/off Secure NFC and ensures the summary of the preference reflects
* the current state.
*/
public class SecureNfcEnabler extends BaseNfcEnabler {
private final SwitchPreference mPreference;
private final UserManager mUserManager;
public SecureNfcEnabler(Context context, SwitchPreference preference) {
super(context);
mPreference = preference;
mUserManager = context.getSystemService(UserManager.class);
}
@Override
protected void handleNfcStateChanged(int newState) {
switch (newState) {
case NfcAdapter.STATE_OFF:
mPreference.setSummary(R.string.nfc_disabled_summary);
mPreference.setEnabled(false);
break;
case NfcAdapter.STATE_ON:
mPreference.setSummary(R.string.nfc_secure_toggle_summary);
mPreference.setChecked(mPreference.isChecked());
mPreference.setEnabled(isToggleable());
break;
case NfcAdapter.STATE_TURNING_ON:
mPreference.setEnabled(false);
break;
case NfcAdapter.STATE_TURNING_OFF:
mPreference.setEnabled(false);
break;
}
}
private boolean isToggleable() {
if (!mUserManager.isPrimaryUser()) {
return false;
}
return true;
}
}