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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.connecteddevice;
import static com.android.settingslib.Utils.isAudioModeOngoingCall;
import android.content.Context;
import android.content.pm.PackageManager;
import android.util.Log;
import androidx.annotation.VisibleForTesting;
import androidx.preference.Preference;
import androidx.preference.PreferenceGroup;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.bluetooth.AvailableMediaBluetoothDeviceUpdater;
import com.android.settings.bluetooth.BluetoothDeviceUpdater;
import com.android.settings.bluetooth.Utils;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settingslib.bluetooth.BluetoothCallback;
import com.android.settingslib.bluetooth.LocalBluetoothManager;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
/**
* Controller to maintain the {@link androidx.preference.PreferenceGroup} for all
* available media devices. It uses {@link DevicePreferenceCallback}
* to add/remove {@link Preference}
*/
public class AvailableMediaDeviceGroupController extends BasePreferenceController
implements LifecycleObserver, OnStart, OnStop, DevicePreferenceCallback, BluetoothCallback {
private static final String TAG = "AvailableMediaDeviceGroupController";
private static final String KEY = "available_device_list";
@VisibleForTesting
PreferenceGroup mPreferenceGroup;
@VisibleForTesting
LocalBluetoothManager mLocalBluetoothManager;
private BluetoothDeviceUpdater mBluetoothDeviceUpdater;
public AvailableMediaDeviceGroupController(Context context) {
super(context, KEY);
mLocalBluetoothManager = Utils.getLocalBtManager(mContext);
}
@Override
public void onStart() {
if (mLocalBluetoothManager == null) {
Log.e(TAG, "onStart() Bluetooth is not supported on this device");
return;
}
mBluetoothDeviceUpdater.registerCallback();
mLocalBluetoothManager.getEventManager().registerCallback(this);
mBluetoothDeviceUpdater.refreshPreference();
}
@Override
public void onStop() {
if (mLocalBluetoothManager == null) {
Log.e(TAG, "onStop() Bluetooth is not supported on this device");
return;
}
mBluetoothDeviceUpdater.unregisterCallback();
mLocalBluetoothManager.getEventManager().unregisterCallback(this);
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreferenceGroup = screen.findPreference(KEY);
mPreferenceGroup.setVisible(false);
if (isAvailable()) {
updateTitle();
mBluetoothDeviceUpdater.setPrefContext(screen.getContext());
mBluetoothDeviceUpdater.forceUpdate();
}
}
@Override
public int getAvailabilityStatus() {
return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)
? AVAILABLE_UNSEARCHABLE
: UNSUPPORTED_ON_DEVICE;
}
@Override
public String getPreferenceKey() {
return KEY;
}
@Override
public void onDeviceAdded(Preference preference) {
if (mPreferenceGroup.getPreferenceCount() == 0) {
mPreferenceGroup.setVisible(true);
}
mPreferenceGroup.addPreference(preference);
}
@Override
public void onDeviceRemoved(Preference preference) {
mPreferenceGroup.removePreference(preference);
if (mPreferenceGroup.getPreferenceCount() == 0) {
mPreferenceGroup.setVisible(false);
}
}
public void init(DashboardFragment fragment) {
mBluetoothDeviceUpdater = new AvailableMediaBluetoothDeviceUpdater(fragment.getContext(),
fragment, AvailableMediaDeviceGroupController.this);
}
@VisibleForTesting
public void setBluetoothDeviceUpdater(BluetoothDeviceUpdater bluetoothDeviceUpdater) {
mBluetoothDeviceUpdater = bluetoothDeviceUpdater;
}
@Override
public void onAudioModeChanged() {
updateTitle();
}
private void updateTitle() {
if (isAudioModeOngoingCall(mContext)) {
// in phone call
mPreferenceGroup.
setTitle(mContext.getString(R.string.connected_device_call_device_title));
} else {
// without phone call
mPreferenceGroup.
setTitle(mContext.getString(R.string.connected_device_media_device_title));
}
}
}
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