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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 static android.os.UserManager.DISALLOW_CONFIG_BLUETOOTH;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothDevicePicker;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.UserManager;
import com.android.settings.R;
/**
* BluetoothSettings is the Settings screen for Bluetooth configuration and
* connection management.
*/
public final class DevicePickerFragment extends DeviceListPreferenceFragment {
public DevicePickerFragment() {
super(null /* Not tied to any user restrictions. */);
}
private boolean mNeedAuth;
private String mLaunchPackage;
private String mLaunchClass;
private boolean mStartScanOnResume;
@Override
void addPreferencesForActivity() {
addPreferencesFromResource(R.xml.device_picker);
Intent intent = getActivity().getIntent();
mNeedAuth = intent.getBooleanExtra(BluetoothDevicePicker.EXTRA_NEED_AUTH, false);
setFilter(intent.getIntExtra(BluetoothDevicePicker.EXTRA_FILTER_TYPE,
BluetoothDevicePicker.FILTER_TYPE_ALL));
mLaunchPackage = intent.getStringExtra(BluetoothDevicePicker.EXTRA_LAUNCH_PACKAGE);
mLaunchClass = intent.getStringExtra(BluetoothDevicePicker.EXTRA_LAUNCH_CLASS);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getActivity().setTitle(getString(R.string.device_picker));
UserManager um = (UserManager) getSystemService(Context.USER_SERVICE);
mStartScanOnResume = !um.hasUserRestriction(DISALLOW_CONFIG_BLUETOOTH)
&& (savedInstanceState == null); // don't start scan after rotation
}
@Override
public void onResume() {
super.onResume();
addCachedDevices();
if (mStartScanOnResume) {
mLocalAdapter.startScanning(true);
mStartScanOnResume = false;
}
}
@Override
void onDevicePreferenceClick(BluetoothDevicePreference btPreference) {
mLocalAdapter.stopScanning();
LocalBluetoothPreferences.persistSelectedDeviceInPicker(
getActivity(), mSelectedDevice.getAddress());
if ((btPreference.getCachedDevice().getBondState() ==
BluetoothDevice.BOND_BONDED) || !mNeedAuth) {
sendDevicePickedIntent(mSelectedDevice);
finish();
} else {
super.onDevicePreferenceClick(btPreference);
}
}
public void onDeviceBondStateChanged(CachedBluetoothDevice cachedDevice,
int bondState) {
if (bondState == BluetoothDevice.BOND_BONDED) {
BluetoothDevice device = cachedDevice.getDevice();
if (device.equals(mSelectedDevice)) {
sendDevicePickedIntent(device);
finish();
}
}
}
@Override
public void onBluetoothStateChanged(int bluetoothState) {
super.onBluetoothStateChanged(bluetoothState);
if (bluetoothState == BluetoothAdapter.STATE_ON) {
mLocalAdapter.startScanning(false);
}
}
private void sendDevicePickedIntent(BluetoothDevice device) {
Intent intent = new Intent(BluetoothDevicePicker.ACTION_DEVICE_SELECTED);
intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
if (mLaunchPackage != null && mLaunchClass != null) {
intent.setClassName(mLaunchPackage, mLaunchClass);
}
getActivity().sendBroadcast(intent);
}
}
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