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Commit 5e3e460e authored by Jaikumar Ganesh's avatar Jaikumar Ganesh Committed by android-merger
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DO NOT MERGE Show user dialog for BT. 

Show user dialog for incoming BT connection
requests from unknown devices.

Contribution by: Wei (Matthew) Xie

Change-Id: I7e9e8bbbd8808a7569f84d213fa3d716f7f5bc80
parent f3acd16d

AndroidManifest.xml

+19 −0
Original line number Diff line number Diff line
@@ -695,6 +695,25 @@ 
            </intent-filter>

        </receiver>



        <receiver android:name=".bluetooth.BluetoothPermissionRequest">

            <intent-filter>

                <action android:name="android.bluetooth.device.action.CONNECTION_ACCESS_REQUEST" />

                <action android:name="android.bluetooth.device.action.CONNECTION_ACCESS_CANCEL" />

            </intent-filter>

        </receiver>



        <activity android:name=".bluetooth.BluetoothPermissionActivity"

                  android:label="@string/bluetooth_connection_permission_request"

                  android:excludeFromRecents="true"

                  android:permission="android.permission.BLUETOOTH_ADMIN"

                  android:theme="@*android:style/Theme.Dialog.Alert">

            <intent-filter>

                <action android:name="android.bluetooth.device.action.CONNECTION_ACCESS_REQUEST" />

                <action android:name="android.bluetooth.device.action.CONNECTION_ACCESS_CANCEL" />

                <category android:name="android.intent.category.DEFAULT" />

            </intent-filter>

        </activity>



        <activity android:name="ActivityPicker"

                android:label="@string/activity_picker_label"

                android:theme="@*android:style/Theme.Dialog.Alert"

res/layout/bluetooth_connection_access.xml

0 → 100644
+40 −0
Original line number Diff line number Diff line 
<?xml version="1.0" encoding="utf-8"?>

<!--

/*

** Copyright 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.

*/

-->



<ScrollView

    xmlns:android="http://schemas.android.com/apk/res/android"

    android:layout_height="match_parent"

    android:layout_width="match_parent">



    <LinearLayout

        android:layout_height="match_parent"

        android:layout_width="match_parent"

        android:orientation="vertical">



        <TextView

            android:id="@+id/message"

            android:layout_width="match_parent"

            android:layout_height="wrap_content"

            android:layout_marginLeft="20dip"

            android:layout_marginRight="20dip"

            android:gravity="center_horizontal"

            android:textAppearance="?android:attr/textAppearanceMedium" />

    </LinearLayout>



</ScrollView>

src/com/android/settings/bluetooth/BluetoothPermissionActivity.java

0 → 100644
+166 −0
Original line number Diff line number Diff line 
/*

 * 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.

 */

public class BluetoothPermissionActivity extends AlertActivity implements

        DialogInterface.OnClickListener, Preference.OnPreferenceChangeListener {

    private static final String TAG = "BluetoothPermissionActivity";

    private static final boolean DEBUG = false;



    private static final String KEY_USER_TIMEOUT = "user_timeout";



    private View mView;

    private TextView messageView;

    private Button mOkButton;

    private BluetoothDevice mDevice;



    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);



        if (DEBUG) Log.d(TAG, "onCreate");

        Intent i = getIntent();

        String action = i.getAction();

        if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_REQUEST)) {

            mDevice = i.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);

            showConnectionDialog();

            registerReceiver(mReceiver,

                             new IntentFilter(BluetoothDevice.ACTION_CONNECTION_ACCESS_CANCEL));

        } else {

            Log.e(TAG, "Error: this activity may be started only with intent "

                    + "ACTION_CONNECTION_ACCESS_REQUEST");

            finish();

        }

    }



    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 = createView();

        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 String createDisplayText() {

        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 View createView() {

        mView = getLayoutInflater().inflate(R.layout.bluetooth_connection_access, null);

        messageView = (TextView)mView.findViewById(R.id.message);

        messageView.setText(createDisplayText());

        return mView;

    }



    private void onPositive() {

        sendIntentToReceiver(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY,

                             BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT,

                             BluetoothDevice.CONNECTION_ACCESS_YES);

        finish();

    }



    private void onNegative() {

        sendIntentToReceiver(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY,

                             BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT,

                             BluetoothDevice.CONNECTION_ACCESS_NO);

        finish();

    }



    private void sendIntentToReceiver(final String intentName, final String extraName,

            final int extraValue) {

        Intent intent = new Intent(intentName);

        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;

    }

}

src/com/android/settings/bluetooth/BluetoothPermissionRequest.java

0 → 100644
+99 −0
Original line number Diff line number Diff line 
/*

 * 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.app.Notification;

import android.app.NotificationManager;

import android.app.PendingIntent;

import android.bluetooth.BluetoothDevice;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.os.PowerManager;

import android.util.Log;



import com.android.settings.R;



/**

 * BluetoothPermissionRequest is a receiver to receive Bluetooth connection

 * access request.

 */

public final class BluetoothPermissionRequest extends BroadcastReceiver {



    private static final String TAG = "BluetoothPermissionRequest";

    private static final boolean DEBUG = false;



    public static final int NOTIFICATION_ID = android.R.drawable.stat_sys_data_bluetooth;



    @Override

    public void onReceive(Context context, Intent intent) {

        String action = intent.getAction();



        if (DEBUG) Log.d(TAG, "onReceive");



        if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_REQUEST)) {

            LocalBluetoothManager localManager = LocalBluetoothManager.getInstance(context);

            // convert broadcast intent into activity intent (same action string)

            BluetoothDevice device =

                intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);



            Intent connectionAccessIntent = new Intent(action);

            connectionAccessIntent.setClass(context, BluetoothPermissionActivity.class);

            connectionAccessIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

            connectionAccessIntent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);



            String deviceAddress = device != null ? device.getAddress() : null;



            PowerManager powerManager =

                (PowerManager) context.getSystemService(Context.POWER_SERVICE);



            if (powerManager.isScreenOn() &&

                localManager.shouldShowDialogInForeground(deviceAddress) ) {

                context.startActivity(connectionAccessIntent);

            } else {

                // Put up a notification that leads to the dialog



                // Create an intent triggered by clicking on the

                // "Clear All Notifications" button



                Intent deleteIntent = new Intent(BluetoothDevice.ACTION_CONNECTION_ACCESS_REPLY);

                deleteIntent.putExtra(BluetoothDevice.EXTRA_CONNECTION_ACCESS_RESULT,

                        BluetoothDevice.CONNECTION_ACCESS_NO);



                Notification notification = new Notification(android.R.drawable.stat_sys_data_bluetooth,

                    context.getString(R.string.bluetooth_connection_permission_request), System.currentTimeMillis());

                String deviceName = device != null ? device.getName() : null;

                notification.setLatestEventInfo(context,

                    context.getString(R.string.bluetooth_connection_permission_request),

                    context.getString(R.string.bluetooth_connection_notif_message, deviceName),

                    PendingIntent.getActivity(context, 0, connectionAccessIntent, 0));

                notification.flags = Notification.FLAG_AUTO_CANCEL | Notification.FLAG_ONLY_ALERT_ONCE;

                notification.defaults = Notification.DEFAULT_SOUND;

                notification.deleteIntent = PendingIntent.getBroadcast(context, 0, deleteIntent, 0);



                NotificationManager notificationManager =

                    (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);

                notificationManager.notify(NOTIFICATION_ID, notification);

            }

        } else if (action.equals(BluetoothDevice.ACTION_CONNECTION_ACCESS_CANCEL)) {

            // Remove the notification

            NotificationManager manager = (NotificationManager) context

                .getSystemService(Context.NOTIFICATION_SERVICE);

            manager.cancel(NOTIFICATION_ID);

        }

   }

}