96 lines
3.3 KiB
Java
96 lines
3.3 KiB
Java
/*
|
|
* 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.content.Context;
|
|
|
|
import androidx.preference.PreferenceFragmentCompat;
|
|
import androidx.preference.PreferenceScreen;
|
|
|
|
import com.android.settings.core.PreferenceControllerMixin;
|
|
import com.android.settings.overlay.FeatureFactory;
|
|
import com.android.settingslib.bluetooth.CachedBluetoothDevice;
|
|
import com.android.settingslib.core.AbstractPreferenceController;
|
|
import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
|
|
import com.android.settingslib.core.lifecycle.Lifecycle;
|
|
import com.android.settingslib.core.lifecycle.LifecycleObserver;
|
|
import com.android.settingslib.core.lifecycle.events.OnPause;
|
|
import com.android.settingslib.core.lifecycle.events.OnResume;
|
|
|
|
/**
|
|
* This class provides common lifecycle and bluetooth device event registration for Bluetooth device
|
|
* details controllers.
|
|
*/
|
|
public abstract class BluetoothDetailsController extends AbstractPreferenceController
|
|
implements PreferenceControllerMixin, CachedBluetoothDevice.Callback, LifecycleObserver,
|
|
OnPause, OnResume {
|
|
|
|
protected final Context mContext;
|
|
protected final PreferenceFragmentCompat mFragment;
|
|
protected final CachedBluetoothDevice mCachedDevice;
|
|
protected final MetricsFeatureProvider mMetricsFeatureProvider;
|
|
|
|
public BluetoothDetailsController(Context context, PreferenceFragmentCompat fragment,
|
|
CachedBluetoothDevice device, Lifecycle lifecycle) {
|
|
super(context);
|
|
mContext = context;
|
|
mFragment = fragment;
|
|
mCachedDevice = device;
|
|
lifecycle.addObserver(this);
|
|
mMetricsFeatureProvider = FeatureFactory.getFeatureFactory().getMetricsFeatureProvider();
|
|
}
|
|
|
|
@Override
|
|
public void onPause() {
|
|
mCachedDevice.unregisterCallback(this);
|
|
}
|
|
|
|
@Override
|
|
public void onResume() {
|
|
mCachedDevice.registerCallback(this);
|
|
refresh();
|
|
}
|
|
|
|
@Override
|
|
public boolean isAvailable() {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public void onDeviceAttributesChanged() {
|
|
refresh();
|
|
}
|
|
|
|
@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();
|
|
} |