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/*
* Copyright (C) 2011 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.bluetooth;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import androidx.preference.Preference;
import com.android.internal.app.AlertActivity;
import com.android.internal.app.AlertController;
import com.android.settings.R;
import static android.view.WindowManager.LayoutParams.SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS;
/**
* BluetoothPermissionActivity shows a dialog for accepting incoming
* profile connection request from untrusted devices.
* It is also used to show a dialogue for accepting incoming phonebook
* read request. The request could be initiated by PBAP PCE or by HF AT+CPBR.
*/
public class BluetoothPermissionActivity extends AlertActivity implements
DialogInterface.OnClickListener, Preference.OnPreferenceChangeListener {
private static final String TAG = "BluetoothPermissionActivity";
private static final boolean DEBUG = Utils.D;
private View mView;
private TextView messageView;
private Button mOkButton;
private BluetoothDevice mDevice;
private String mReturnPackage = null;
private String mReturnClass = null;
private int mRequestType = 0;
private BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_CANCEL)) {
int requestType = intent.getIntExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE,
BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS);
if (requestType != mRequestType) return;
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (mDevice.equals(device)) dismissDialog();
}
}
};
private boolean mReceiverRegistered = false;
private void dismissDialog() {
this.dismiss();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().addPrivateFlags(SYSTEM_FLAG_HIDE_NON_SYSTEM_OVERLAY_WINDOWS);
Intent i = getIntent();
String action = i.getAction();
if (!action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_REQUEST)) {
Log.e(TAG, "Error: this activity may be started only with intent "
+ "ACTION_CONNECTION_ACCESS_REQUEST");
finish();
return;
}
mDevice = i.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
mReturnPackage = i.getStringExtra(BluetoothDevice.EXTRA_PACKAGE_NAME);
mReturnClass = i.getStringExtra(BluetoothDevice.EXTRA_CLASS_NAME);
mRequestType = i.getIntExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE,
BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS);
if(DEBUG) Log.i(TAG, "onCreate() Request type: " + mRequestType);
if (mRequestType == BluetoothDevice.REQUEST_TYPE_PROFILE_CONNECTION) {
showDialog(getString(R.string.bluetooth_connection_permission_request), mRequestType);
} else if (mRequestType == BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS) {
showDialog(getString(R.string.bluetooth_phonebook_request), mRequestType);
} else if (mRequestType == BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS) {
showDialog(getString(R.string.bluetooth_map_request), mRequestType);
} else if (mRequestType == BluetoothDevice.REQUEST_TYPE_SIM_ACCESS) {
showDialog(getString(R.string.bluetooth_sap_request), mRequestType);
}
else {
Log.e(TAG, "Error: bad request type: " + mRequestType);
finish();
return;
}
registerReceiver(mReceiver,
new IntentFilter(BluetoothDevice.ACTION_CONNECTION_ACCESS_CANCEL));
mReceiverRegistered = true;
}
private void showDialog(String title, int requestType)
{
final AlertController.AlertParams p = mAlertParams;
p.mTitle = title;
if(DEBUG) Log.i(TAG, "showDialog() Request type: " + mRequestType + " this: " + this);
switch(requestType)
{
case BluetoothDevice.REQUEST_TYPE_PROFILE_CONNECTION:
p.mView = createConnectionDialogView();
break;
case BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS:
p.mView = createPhonebookDialogView();
break;
case BluetoothDevice.REQUEST_TYPE_MESSAGE_ACCESS:
p.mView = createMapDialogView();
break;
case BluetoothDevice.REQUEST_TYPE_SIM_ACCESS:
p.mView = createSapDialogView();
break;
}
p.mPositiveButtonText = getString(R.string.yes);
p.mPositiveButtonListener = this;
p.mNegativeButtonText = getString(R.string.no);
p.mNegativeButtonListener = this;
mOkButton = mAlert.getButton(DialogInterface.BUTTON_POSITIVE);
setupAlert();
}
@Override
public void onBackPressed() {
/*we need an answer so ignore back button presses during auth */
if(DEBUG) Log.i(TAG, "Back button pressed! ignoring");
return;
}
// TODO(edjee): createConnectionDialogView, createPhonebookDialogView and createMapDialogView
// are similar. Refactor them into one method.
// Also, the string resources bluetooth_remember_choice and bluetooth_pb_remember_choice should
// be removed.
private View createConnectionDialogView() {
String mRemoteName = Utils.createRemoteName(this, mDevice);
mView = getLayoutInflater().inflate(R.layout.bluetooth_access, null);
messageView = (TextView)mView.findViewById(R.id.message);
messageView.setText(getString(R.string.bluetooth_connection_dialog_text,
mRemoteName));
return mView;
}
private View createPhonebookDialogView() {
String mRemoteName = Utils.createRemoteName(this, mDevice);
mView = getLayoutInflater().inflate(R.layout.bluetooth_access, null);
messageView = (TextView)mView.findViewById(R.id.message);
messageView.setText(getString(R.string.bluetooth_pb_acceptance_dialog_text,
mRemoteName, mRemoteName));
return mView;
}
private View createMapDialogView() {
String mRemoteName = Utils.createRemoteName(this, mDevice);
mView = getLayoutInflater().inflate(R.layout.bluetooth_access, null);
messageView = (TextView)mView.findViewById(R.id.message);
messageView.setText(getString(R.string.bluetooth_map_acceptance_dialog_text,
mRemoteName, mRemoteName));
return mView;
}
private View createSapDialogView() {
String mRemoteName = Utils.createRemoteName(this, mDevice);
mView = getLayoutInflater().inflate(R.layout.bluetooth_access, null);
messageView = (TextView)mView.findViewById(R.id.message);
messageView.setText(getString(R.string.bluetooth_sap_acceptance_dialog_text,
mRemoteName, mRemoteName));
return mView;
}
private void onPositive() {
if (DEBUG) Log.d(TAG, "onPositive");
sendReplyIntentToReceiver(true, true);
finish();
}
private void onNegative() {
if (DEBUG) Log.d(TAG, "onNegative");
sendReplyIntentToReceiver(false, true);
}
private void sendReplyIntentToReceiver(final boolean allowed, final boolean always) {
Intent intent = new Intent(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY);
if (mReturnPackage != null && mReturnClass != null) {
intent.setClassName(mReturnPackage, mReturnClass);
}
if (DEBUG) Log.i(TAG, "sendReplyIntentToReceiver() Request type: " + mRequestType +
" mReturnPackage" + mReturnPackage + " mReturnClass" + mReturnClass);
intent.putExtra(BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT,
allowed ? BluetoothDevice.CONNECTION_ACCESS_YES
: BluetoothDevice.CONNECTION_ACCESS_NO);
intent.putExtra(BluetoothDevice.EXTRA_ALWAYS_ALLOWED, always);
intent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice);
intent.putExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE, mRequestType);
sendBroadcast(intent, android.Manifest.permission.BLUETOOTH_ADMIN);
}
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_POSITIVE:
onPositive();
break;
case DialogInterface.BUTTON_NEGATIVE:
onNegative();
break;
default:
break;
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (mReceiverRegistered) {
unregisterReceiver(mReceiver);
mReceiverRegistered = false;
}
}
public boolean onPreferenceChange(Preference preference, Object newValue) {
return true;
}
}
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