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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.preference.Preference;
import android.util.Log;
import android.view.View;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Button;
import android.widget.CompoundButton.OnCheckedChangeListener;
import com.android.internal.app.AlertActivity;
import com.android.internal.app.AlertController;
import com.android.settings.R;
/**
* 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 CheckBox mAlwaysAllowed;
private boolean mAlwaysAllowedValue = true;
private String mReturnPackage = null;
private String mReturnClass = null;
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)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (mDevice.equals(device)) dismissDialog();
}
}
};
private void dismissDialog() {
this.dismiss();
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Intent i = getIntent();
String action = i.getAction();
mDevice = i.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
mReturnPackage = i.getStringExtra(BluetoothDevice.EXTRA_PACKAGE_NAME);
mReturnClass = i.getStringExtra(BluetoothDevice.EXTRA_CLASS_NAME);
if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_REQUEST)) {
mDevice = i.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (i.getIntExtra(BluetoothDevice.EXTRA_ACCESS_REQUEST_TYPE,
BluetoothDevice.REQUEST_TYPE_PHONEBOOK_ACCESS) ==
BluetoothDevice.REQUEST_TYPE_PROFILE_CONNECTION) {
showConnectionDialog();
} else {
showPbapDialog();
}
} else {
Log.e(TAG, "Error: this activity may be started only with intent "
+ "ACTION_CONNECTION_ACCESS_REQUEST");
finish();
}
registerReceiver(mReceiver,
new IntentFilter(BluetoothDevice.ACTION_CONNECTION_ACCESS_CANCEL));
}
private void showConnectionDialog() {
final AlertController.AlertParams p = mAlertParams;
p.mIconId = android.R.drawable.ic_dialog_info;
p.mTitle = getString(R.string.bluetooth_connection_permission_request);
p.mView = createConnectionDialogView();
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();
}
private void showPbapDialog() {
final AlertController.AlertParams p = mAlertParams;
p.mIconId = android.R.drawable.ic_dialog_info;
p.mTitle = getString(R.string.bluetooth_phonebook_request);
p.mView = createPbapDialogView();
p.mPositiveButtonText = getString(android.R.string.yes);
p.mPositiveButtonListener = this;
p.mNegativeButtonText = getString(android.R.string.no);
p.mNegativeButtonListener = this;
mOkButton = mAlert.getButton(DialogInterface.BUTTON_POSITIVE);
setupAlert();
}
private String createConnectionDisplayText() {
String mRemoteName = mDevice != null ? mDevice.getName() : null;
if (mRemoteName == null) mRemoteName = getString(R.string.unknown);
String mMessage1 = getString(R.string.bluetooth_connection_dialog_text,
mRemoteName);
return mMessage1;
}
private String createPbapDisplayText() {
String mRemoteName = mDevice != null ? mDevice.getName() : null;
if (mRemoteName == null) mRemoteName = getString(R.string.unknown);
String mMessage1 = getString(R.string.bluetooth_pb_acceptance_dialog_text,
mRemoteName, mRemoteName);
return mMessage1;
}
private View createConnectionDialogView() {
mView = getLayoutInflater().inflate(R.layout.bluetooth_connection_access, null);
messageView = (TextView)mView.findViewById(R.id.message);
messageView.setText(createConnectionDisplayText());
return mView;
}
private View createPbapDialogView() {
mView = getLayoutInflater().inflate(R.layout.bluetooth_pb_access, null);
messageView = (TextView)mView.findViewById(R.id.message);
messageView.setText(createPbapDisplayText());
mAlwaysAllowed = (CheckBox)mView.findViewById(R.id.bluetooth_pb_alwaysallowed);
mAlwaysAllowed.setChecked(true);
mAlwaysAllowed.setOnCheckedChangeListener(new OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (isChecked) {
mAlwaysAllowedValue = true;
} else {
mAlwaysAllowedValue = false;
}
}
});
return mView;
}
private void onPositive() {
if (DEBUG) Log.d(TAG, "onPositive mAlwaysAllowedValue: " + mAlwaysAllowedValue);
sendIntentToReceiver(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY, true,
BluetoothDevice.EXTRA_ALWAYS_ALLOWED, mAlwaysAllowedValue);
finish();
}
private void onNegative() {
if (DEBUG) Log.d(TAG, "onNegative mAlwaysAllowedValue: " + mAlwaysAllowedValue);
sendIntentToReceiver(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY, false,
null, false // dummy value, no effect since last param is null
);
finish();
}
private void sendIntentToReceiver(final String intentName, final boolean allowed,
final String extraName, final boolean extraValue) {
Intent intent = new Intent(intentName);
if (mReturnPackage != null && mReturnClass != null) {
intent.setClassName(mReturnPackage, mReturnClass);
}
intent.putExtra(BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT,
allowed ? BluetoothDevice.CONNECTION_ACCESS_YES :
BluetoothDevice.CONNECTION_ACCESS_NO);
if (extraName != null) {
intent.putExtra(extraName, extraValue);
}
intent.putExtra(BluetoothDevice.EXTRA_DEVICE, mDevice);
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();
unregisterReceiver(mReceiver);
}
public boolean onPreferenceChange(Preference preference, Object newValue) {
return true;
}
}
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