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/*
*Copyright (c) 2018, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted (subject to the limitations in the
* disclaimer below) provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
* HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (C) 2017 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.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Context;
import android.util.Log;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import com.android.settings.connecteddevice.DevicePreferenceCallback;
import com.android.settings.connecteddevice.PreviouslyConnectedDeviceDashboardFragment;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settingslib.bluetooth.CachedBluetoothDevice;
import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
import java.util.ArrayList;
import java.util.List;
/**
* Maintain and update saved bluetooth devices(bonded but not connected)
*/
public class SavedBluetoothDeviceUpdater extends BluetoothDeviceUpdater
implements Preference.OnPreferenceClickListener {
private static final String TAG = "SavedBluetoothDeviceUpdater";
private static final boolean DBG = Log.isLoggable(TAG, Log.DEBUG);
private static final String PREF_KEY = "saved_bt";
private final boolean mDisplayConnected;
@VisibleForTesting
BluetoothAdapter mBluetoothAdapter;
public SavedBluetoothDeviceUpdater(Context context, DashboardFragment fragment,
DevicePreferenceCallback devicePreferenceCallback) {
super(context, fragment, devicePreferenceCallback);
mDisplayConnected = (fragment instanceof PreviouslyConnectedDeviceDashboardFragment);
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
}
@Override
public void forceUpdate() {
if (mBluetoothAdapter.isEnabled()) {
final CachedBluetoothDeviceManager cachedManager =
mLocalManager.getCachedDeviceManager();
final List<BluetoothDevice> bluetoothDevices =
mBluetoothAdapter.getMostRecentlyConnectedDevices();
removePreferenceIfNecessary(bluetoothDevices, cachedManager);
for (BluetoothDevice device : bluetoothDevices) {
final CachedBluetoothDevice cachedDevice = cachedManager.findDevice(device);
if (cachedDevice != null) {
update(cachedDevice);
}
}
} else {
removeAllDevicesFromPreference();
}
}
private void removePreferenceIfNecessary(List<BluetoothDevice> bluetoothDevices,
CachedBluetoothDeviceManager cachedManager) {
for (BluetoothDevice device : new ArrayList<>(mPreferenceMap.keySet())) {
if (!bluetoothDevices.contains(device)) {
final CachedBluetoothDevice cachedDevice = cachedManager.findDevice(device);
if (cachedDevice != null) {
removePreference(cachedDevice);
}
}
}
}
@Override
public void update(CachedBluetoothDevice cachedDevice) {
if (isFilterMatched(cachedDevice)) {
// Add the preference if it is new one
addPreference(cachedDevice, BluetoothDevicePreference.SortType.TYPE_NO_SORT);
} else {
removePreference(cachedDevice);
}
}
@Override
public boolean isFilterMatched(CachedBluetoothDevice cachedDevice) {
final BluetoothDevice device = cachedDevice.getDevice();
if (DBG) {
Log.d(TAG, "isFilterMatched() device name : " + cachedDevice.getName() +
", is connected : " + device.isConnected() + ", is profile connected : "
+ cachedDevice.isConnected() +
", is twsplusdevice : " + device.isTwsPlusDevice());
}
return device.getBondState() == BluetoothDevice.BOND_BONDED
&& (mDisplayConnected || !device.isConnected())
&& !device.isTwsPlusDevice() && !isGroupDevice(cachedDevice)
&& !isPrivateAddr(cachedDevice);
}
@Override
public boolean onPreferenceClick(Preference preference) {
mMetricsFeatureProvider.logClickedPreference(preference, mFragment.getMetricsCategory());
final CachedBluetoothDevice device = ((BluetoothDevicePreference) preference)
.getBluetoothDevice();
if (device.isConnected()) {
return device.setActive();
}
device.connect();
return true;
}
@Override
protected String getPreferenceKey() {
return PREF_KEY;
}
}
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