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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 androidx.preference.PreferenceFragmentCompat;
import androidx.preference.PreferenceScreen;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settingslib.bluetooth.BluetoothCallback;
import com.android.settingslib.bluetooth.LocalBluetoothManager;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
import android.content.Context;
public abstract class GroupBluetoothDetailsController extends AbstractPreferenceController
implements PreferenceControllerMixin, LifecycleObserver,
OnStop, OnStart, BluetoothCallback {
protected final Context mContext;
protected final PreferenceFragmentCompat mFragment;
protected LocalBluetoothManager mLocalManager;
public GroupBluetoothDetailsController(Context context, PreferenceFragmentCompat fragment,
int groupId, Lifecycle lifecycle) {
super(context);
mContext = context;
mFragment = fragment;
lifecycle.addObserver(this);
mLocalManager = Utils.getLocalBtManager(mContext);
}
@Override
public void onStart() {
mLocalManager.getEventManager().registerCallback(this);
loadDevices();
refresh();
}
@Override
public void onStop() {
mLocalManager.getEventManager().unregisterCallback(this);
}
@Override
public boolean isAvailable() {
return true;
}
@Override
public final void displayPreference(PreferenceScreen screen) {
init(screen);
super.displayPreference(screen);
}
/**
* This is a method to do one-time initialization when the screen is first created, such as
* adding preferences.
* @param screen the screen where this controller's preferences should be added
*/
protected abstract void init(PreferenceScreen screen);
/**
* This method is called when something about the bluetooth device has changed, and this object
* should update the preferences it manages based on the new state.
*/
protected abstract void refresh();
protected abstract void loadDevices();
}
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