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/******************************************************************************
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted 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.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 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.
*****************************************************************************/
package com.android.settings.bluetooth;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settings.connecteddevice.DevicePreferenceCallback;
import com.android.settings.core.SubSettingLauncher;
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;
import java.util.HashMap;
/**
* Maintain and update saved Group devices(bonded but not connected)
*/
public class GroupSavedBluetoothDeviceUpdater extends GroupBluetoothDeviceUpdater
implements Preference.OnPreferenceClickListener {
private static final String TAG = "GroupSavedBluetoothDeviceUpdater";
private static final String PREF_KEY = "saved_group_bt";
private BluetoothAdapter mBluetoothAdapter;
public GroupSavedBluetoothDeviceUpdater(Context context, DashboardFragment fragment,
DevicePreferenceCallback devicePreferenceCallback) {
super(context, fragment, devicePreferenceCallback);
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);
} else if(cachedDevice == null) {
try {
BluetoothDevicePreference pref = (BluetoothDevicePreference)
mPreferenceMap.get(device);
final CachedBluetoothDevice cacDev = pref.getBluetoothDevice();
if (cacDev != null) {
removePreference(cacDev);
}
} catch (Exception e) {
Log.w(TAG, "removePreferenceIfNecessary " + e);
e.printStackTrace();
}
}
}
}
}
@Override
public void update(CachedBluetoothDevice cachedDevice) {
if (isFilterMatched(cachedDevice)) {
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, " cachedDevice : " + cachedDevice + ", isConnected " + device.isConnected()
+" isBonded " + (device.getBondState() == BluetoothDevice.BOND_BONDED));
}
return (device.getBondState() == BluetoothDevice.BOND_BONDED)
&& !device.isConnected() && isGroupDevice(cachedDevice);
}
@Override
public boolean onPreferenceClick(Preference preference) {
mMetricsFeatureProvider.logClickedPreference(preference, mFragment.getMetricsCategory());
final CachedBluetoothDevice device = ((BluetoothDevicePreference) preference)
.getBluetoothDevice();
device.connect();
return true;
}
@Override
protected String getPreferenceKey() {
return PREF_KEY;
}
}
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