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/*
* 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.bluetooth;
import android.content.Context;
import android.content.pm.PackageManager;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceGroup;
import androidx.preference.PreferenceScreen;
import com.android.settingslib.bluetooth.CachedBluetoothDevice;
import com.android.settings.bluetooth.BluetoothDeviceUpdater;
import com.android.settings.bluetooth.SavedBluetoothDeviceUpdater;
import com.android.settings.connecteddevice.dock.DockUpdater;
import com.android.settings.connecteddevice.DevicePreferenceCallback;
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.Lifecycle;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
import android.util.Log;
import androidx.annotation.Keep;
@Keep
public class BADevicePreferenceController extends BasePreferenceController
implements LifecycleObserver, OnStart, OnStop, BleBroadcastSourceInfoPreferenceCallback {
private static final String TAG = "BADevicePreferenceController";
//Up to 3 Elements can be viewed here
private static final int MAX_DEVICE_NUM = 3;
private PreferenceGroup mPreferenceGroup;
private BluetoothBroadcastSourceInfoEntries mBleSourceInfoUpdater;
private int mPreferenceSize;
private CachedBluetoothDevice mCachedDevice;
public BADevicePreferenceController(Context context, Lifecycle lifecycle, String preferenceKey) {
super(context, preferenceKey);
lifecycle.addObserver(this);
BroadcastScanAssistanceUtils.debug(TAG, "constructor: KEY" + preferenceKey);
}
@Override
public int getAvailabilityStatus() {
return (mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)
)
? AVAILABLE
: CONDITIONALLY_UNAVAILABLE;
}
@Override
public String getPreferenceKey() {
return new String("added_sources");
}
@Override
public void displayPreference(PreferenceScreen screen) {
BroadcastScanAssistanceUtils.debug(TAG, "displayPreference");
super.displayPreference(screen);
mPreferenceGroup = screen.findPreference(getPreferenceKey());
mPreferenceGroup.setVisible(false);
if (isAvailable()) {
BroadcastScanAssistanceUtils.debug(TAG, "registering wth BleSrcInfo updaters");
final Context context = screen.getContext();
if (mBleSourceInfoUpdater != null) {
mBleSourceInfoUpdater.setPrefContext(context);
}
}
}
@Override
public void onStart() {
if (mBleSourceInfoUpdater != null) {
mBleSourceInfoUpdater.registerCallback();
}
}
@Override
public void onStop() {
if (mBleSourceInfoUpdater != null) {
mBleSourceInfoUpdater.unregisterCallback();
}
}
public void init(DashboardFragment fragment, CachedBluetoothDevice device) {
BroadcastScanAssistanceUtils.debug(TAG, "Init");
mCachedDevice = device;
mBleSourceInfoUpdater = new BluetoothBroadcastSourceInfoEntries(fragment.getContext(),
fragment, BADevicePreferenceController.this,
device);
mPreferenceSize = 0;
}
@Override
public void onBroadcastSourceInfoAdded(Preference preference) {
BroadcastScanAssistanceUtils.debug(TAG, "onBroadcastSourceInfoAdded");
if (mPreferenceSize < MAX_DEVICE_NUM) {
boolean ret = mPreferenceGroup.addPreference(preference);
BroadcastScanAssistanceUtils.debug(TAG, "addPreference returns" + ret);
mPreferenceSize++;
}
updatePreferenceVisiblity();
}
@Override
public void onBroadcastSourceInfoRemoved(Preference preference) {
BroadcastScanAssistanceUtils.debug(TAG, "onBroadcastSourceInfoRemoved");
mPreferenceSize--;
boolean ret = mPreferenceGroup.removePreference(preference);
BroadcastScanAssistanceUtils.debug(TAG, "removePreference returns " + ret);
updatePreferenceVisiblity();
}
@VisibleForTesting
void setPreferenceGroup(PreferenceGroup preferenceGroup) {
mPreferenceGroup = preferenceGroup;
}
@VisibleForTesting
void updatePreferenceVisiblity() {
BroadcastScanAssistanceUtils.debug(TAG, "updatePreferenceVisiblity:" + mPreferenceSize);
mPreferenceGroup.setVisible(mPreferenceSize > 0);
}
}
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