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/*
* Copyright (C) 2009 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 com.android.internal.app.AlertActivity;
import com.android.internal.app.AlertController;
import com.android.settings.R;
import com.android.settingslib.bluetooth.LocalBluetoothAdapter;
import com.android.settingslib.bluetooth.LocalBluetoothManager;
import android.bluetooth.BluetoothAdapter;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
/**
* RequestPermissionHelperActivity asks the user whether to enable discovery.
* This is usually started by RequestPermissionActivity.
*/
public class RequestPermissionHelperActivity extends AlertActivity implements
DialogInterface.OnClickListener {
private static final String TAG = "RequestPermissionHelperActivity";
public static final String ACTION_INTERNAL_REQUEST_BT_ON =
"com.android.settings.bluetooth.ACTION_INTERNAL_REQUEST_BT_ON";
public static final String ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE =
"com.android.settings.bluetooth.ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE";
private LocalBluetoothAdapter mLocalAdapter;
private int mTimeout;
// True if requesting BT to be turned on
// False if requesting BT to be turned on + discoverable mode
private boolean mEnableOnly;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Note: initializes mLocalAdapter and returns true on error
if (parseIntent()) {
finish();
return;
}
createDialog();
if (getResources().getBoolean(R.bool.auto_confirm_bluetooth_activation_dialog) == true) {
// dismiss dialog immediately if settings say so
onClick(null, BUTTON_POSITIVE);
dismiss();
}
}
void createDialog() {
final AlertController.AlertParams p = mAlertParams;
if (mEnableOnly) {
p.mMessage = getString(R.string.bluetooth_ask_enablement);
} else {
if (mTimeout == BluetoothDiscoverableEnabler.DISCOVERABLE_TIMEOUT_NEVER) {
p.mMessage = getString(R.string.bluetooth_ask_enablement_and_lasting_discovery);
} else {
p.mMessage = getString(R.string.bluetooth_ask_enablement_and_discovery, mTimeout);
}
}
p.mPositiveButtonText = getString(R.string.allow);
p.mPositiveButtonListener = this;
p.mNegativeButtonText = getString(R.string.deny);
p.mNegativeButtonListener = this;
setupAlert();
}
public void onClick(DialogInterface dialog, int which) {
int returnCode;
// FIXME: fix this ugly switch logic!
switch (which) {
case BUTTON_POSITIVE:
int btState = 0;
try {
// TODO There's a better way.
int retryCount = 30;
do {
btState = mLocalAdapter.getBluetoothState();
Thread.sleep(100);
} while (btState == BluetoothAdapter.STATE_TURNING_OFF && --retryCount > 0);
} catch (InterruptedException ignored) {
// don't care
}
if (btState == BluetoothAdapter.STATE_TURNING_ON
|| btState == BluetoothAdapter.STATE_ON
|| mLocalAdapter.enable()) {
returnCode = RequestPermissionActivity.RESULT_BT_STARTING_OR_STARTED;
} else {
returnCode = RESULT_CANCELED;
}
break;
case BUTTON_NEGATIVE:
returnCode = RESULT_CANCELED;
break;
default:
return;
}
setResult(returnCode);
}
/**
* Parse the received Intent and initialize mLocalBluetoothAdapter.
* @return true if an error occurred; false otherwise
*/
private boolean parseIntent() {
Intent intent = getIntent();
if (intent != null && intent.getAction().equals(ACTION_INTERNAL_REQUEST_BT_ON)) {
mEnableOnly = true;
} else if (intent != null
&& intent.getAction().equals(ACTION_INTERNAL_REQUEST_BT_ON_AND_DISCOVERABLE)) {
mEnableOnly = false;
// Value used for display purposes. Not range checking.
mTimeout = intent.getIntExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION,
BluetoothDiscoverableEnabler.DEFAULT_DISCOVERABLE_TIMEOUT);
} else {
setResult(RESULT_CANCELED);
return true;
}
LocalBluetoothManager manager = Utils.getLocalBtManager(this);
if (manager == null) {
Log.e(TAG, "Error: there's a problem starting Bluetooth");
setResult(RESULT_CANCELED);
return true;
}
mLocalAdapter = manager.getBluetoothAdapter();
return false;
}
@Override
public void onBackPressed() {
setResult(RESULT_CANCELED);
super.onBackPressed();
}
}
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