| /* |
| * Copyright (C) 2019 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.media; |
| |
| import android.content.Context; |
| import android.net.Uri; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.settings.slices.SliceBackgroundWorker; |
| import com.android.settingslib.media.LocalMediaManager; |
| import com.android.settingslib.media.MediaDevice; |
| import com.android.settingslib.utils.ThreadUtils; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * SliceBackgroundWorker for get MediaDevice list and handle MediaDevice state change event. |
| */ |
| public class MediaDeviceUpdateWorker extends SliceBackgroundWorker |
| implements LocalMediaManager.DeviceCallback { |
| |
| private final Context mContext; |
| private final List<MediaDevice> mMediaDevices = new ArrayList<>(); |
| |
| private String mPackageName; |
| |
| @VisibleForTesting |
| LocalMediaManager mLocalMediaManager; |
| |
| public MediaDeviceUpdateWorker(Context context, Uri uri) { |
| super(context, uri); |
| mContext = context; |
| } |
| |
| public void setPackageName(String packageName) { |
| mPackageName = packageName; |
| } |
| |
| @Override |
| protected void onSlicePinned() { |
| mMediaDevices.clear(); |
| if (mLocalMediaManager == null) { |
| mLocalMediaManager = new LocalMediaManager(mContext, mPackageName, null); |
| } |
| |
| mLocalMediaManager.registerCallback(this); |
| mLocalMediaManager.startScan(); |
| } |
| |
| @Override |
| protected void onSliceUnpinned() { |
| mLocalMediaManager.unregisterCallback(this); |
| mLocalMediaManager.stopScan(); |
| } |
| |
| @Override |
| public void close() { |
| mLocalMediaManager = null; |
| } |
| |
| @Override |
| public void onDeviceListUpdate(List<MediaDevice> devices) { |
| buildMediaDevices(devices); |
| notifySliceChange(); |
| } |
| |
| private void buildMediaDevices(List<MediaDevice> devices) { |
| mMediaDevices.clear(); |
| mMediaDevices.addAll(devices); |
| } |
| |
| @Override |
| public void onSelectedDeviceStateChanged(MediaDevice device, int state) { |
| notifySliceChange(); |
| } |
| |
| public List<MediaDevice> getMediaDevices() { |
| return new ArrayList<>(mMediaDevices); |
| } |
| |
| public void connectDevice(MediaDevice device) { |
| ThreadUtils.postOnBackgroundThread(() -> { |
| mLocalMediaManager.connectDevice(device); |
| }); |
| } |
| |
| public MediaDevice getMediaDeviceById(String id) { |
| return mLocalMediaManager.getMediaDeviceById(mMediaDevices, id); |
| } |
| |
| public MediaDevice getCurrentConnectedMediaDevice() { |
| return mLocalMediaManager.getCurrentConnectedDevice(); |
| } |
| } |