blob: 5f6ffb24eec9c24934119b1381e36a5495b5c1bc [file] [log] [blame]
/*
* Copyright 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.connecteddevice;
import android.content.Context;
import android.content.pm.PackageManager;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceScreen;
import com.android.settings.bluetooth.BluetoothDeviceUpdater;
import com.android.settings.bluetooth.SavedBluetoothDeviceUpdater;
import com.android.settings.connecteddevice.dock.DockUpdater;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
public class PreviouslyConnectedDevicePreferenceController extends BasePreferenceController
implements LifecycleObserver, OnStart, OnStop, DevicePreferenceCallback {
private Preference mPreference;
private BluetoothDeviceUpdater mBluetoothDeviceUpdater;
private DockUpdater mSavedDockUpdater;
private int mPreferenceSize;
public PreviouslyConnectedDevicePreferenceController(Context context, String preferenceKey) {
super(context, preferenceKey);
mSavedDockUpdater = FeatureFactory.getFactory(
context).getDockUpdaterFeatureProvider().getSavedDockUpdater(context, this);
}
@Override
public int getAvailabilityStatus() {
return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)
? AVAILABLE
: CONDITIONALLY_UNAVAILABLE;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
if (isAvailable()) {
mPreference = screen.findPreference(getPreferenceKey());
final Context context = screen.getContext();
mBluetoothDeviceUpdater.setPrefContext(context);
mSavedDockUpdater.setPreferenceContext(context);
}
}
@Override
public void onStart() {
mBluetoothDeviceUpdater.registerCallback();
mSavedDockUpdater.registerCallback();
updatePreferenceOnSizeChanged();
}
@Override
public void onStop() {
mBluetoothDeviceUpdater.unregisterCallback();
mSavedDockUpdater.unregisterCallback();
}
public void init(DashboardFragment fragment) {
mBluetoothDeviceUpdater = new SavedBluetoothDeviceUpdater(fragment.getContext(),
fragment, PreviouslyConnectedDevicePreferenceController.this);
}
@Override
public void onDeviceAdded(Preference preference) {
mPreferenceSize++;
updatePreferenceOnSizeChanged();
}
@Override
public void onDeviceRemoved(Preference preference) {
mPreferenceSize--;
updatePreferenceOnSizeChanged();
}
@VisibleForTesting
void setBluetoothDeviceUpdater(BluetoothDeviceUpdater bluetoothDeviceUpdater) {
mBluetoothDeviceUpdater = bluetoothDeviceUpdater;
}
@VisibleForTesting
void setSavedDockUpdater(DockUpdater savedDockUpdater) {
mSavedDockUpdater = savedDockUpdater;
}
@VisibleForTesting
void setPreferenceSize(int size) {
mPreferenceSize = size;
}
@VisibleForTesting
void setPreference(Preference preference) {
mPreference = preference;
}
private void updatePreferenceOnSizeChanged() {
if (isAvailable()) {
mPreference.setEnabled(mPreferenceSize != 0);
}
}
}