blob: ee6af1c8785f136e106099a8fd7a79635b0ae9ea [file] [log] [blame]
/*
* Copyright (C) 2018 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.development;
import android.content.Context;
import android.os.SystemProperties;
import androidx.annotation.VisibleForTesting;
import androidx.preference.ListPreference;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settingslib.development.DeveloperOptionsPreferenceController;
public class BluetoothMaxConnectedAudioDevicesPreferenceController extends
DeveloperOptionsPreferenceController implements Preference.OnPreferenceChangeListener,
PreferenceControllerMixin {
private static final String MAX_CONNECTED_AUDIO_DEVICES_PREFERENCE_KEY =
"bluetooth_max_connected_audio_devices";
@VisibleForTesting
static final String MAX_CONNECTED_AUDIO_DEVICES_PROPERTY =
"persist.bluetooth.maxconnectedaudiodevices";
private final int mDefaultMaxConnectedAudioDevices;
public BluetoothMaxConnectedAudioDevicesPreferenceController(Context context) {
super(context);
mDefaultMaxConnectedAudioDevices = mContext.getResources().getInteger(
com.android.internal.R.integer.config_bluetooth_max_connected_audio_devices);
}
@Override
public String getPreferenceKey() {
return MAX_CONNECTED_AUDIO_DEVICES_PREFERENCE_KEY;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
final ListPreference listPreference = (ListPreference) mPreference;
final CharSequence[] entries = listPreference.getEntries();
entries[0] = String.format(entries[0].toString(), mDefaultMaxConnectedAudioDevices);
listPreference.setEntries(entries);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
String newValueString = newValue.toString();
final ListPreference listPreference = (ListPreference) preference;
if (listPreference.findIndexOfValue(newValueString) <= 0) {
// Reset property value when default is chosen or when value is illegal
newValueString = "";
}
SystemProperties.set(MAX_CONNECTED_AUDIO_DEVICES_PROPERTY, newValueString);
updateState(preference);
return true;
}
@Override
public void updateState(Preference preference) {
final ListPreference listPreference = (ListPreference) preference;
final CharSequence[] entries = listPreference.getEntries();
final String currentValue = SystemProperties.get(MAX_CONNECTED_AUDIO_DEVICES_PROPERTY);
int index = 0;
if (!currentValue.isEmpty()) {
index = listPreference.findIndexOfValue(currentValue);
if (index < 0) {
// Reset property value when value is illegal
SystemProperties.set(MAX_CONNECTED_AUDIO_DEVICES_PROPERTY, "");
index = 0;
}
}
listPreference.setValueIndex(index);
listPreference.setSummary(entries[index]);
}
@Override
protected void onDeveloperOptionsSwitchEnabled() {
super.onDeveloperOptionsSwitchEnabled();
updateState(mPreference);
}
@Override
protected void onDeveloperOptionsSwitchDisabled() {
super.onDeveloperOptionsSwitchDisabled();
SystemProperties.set(MAX_CONNECTED_AUDIO_DEVICES_PROPERTY, "");
updateState(mPreference);
}
}