| /* |
| * Copyright (C) 2020 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.notification; |
| |
| import android.content.Context; |
| import android.content.Intent; |
| import android.media.MediaRouter2Manager; |
| import android.media.RoutingSessionInfo; |
| import android.text.TextUtils; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceCategory; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.R; |
| import com.android.settings.Utils; |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnDestroy; |
| import com.android.settingslib.media.LocalMediaManager; |
| import com.android.settingslib.media.MediaDevice; |
| import com.android.settingslib.media.MediaOutputSliceConstants; |
| import com.android.settingslib.utils.ThreadUtils; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * A group preference controller to add/remove/update preference |
| * {@link com.android.settings.notification.RemoteVolumeSeekBarPreference} |
| **/ |
| public class RemoteVolumeGroupController extends BasePreferenceController implements |
| Preference.OnPreferenceChangeListener, LifecycleObserver, OnDestroy, |
| LocalMediaManager.DeviceCallback { |
| |
| private static final String KEY_REMOTE_VOLUME_GROUP = "remote_media_group"; |
| private static final String TAG = "RemoteVolumePrefCtr"; |
| @VisibleForTesting |
| static final String SWITCHER_PREFIX = "OUTPUT_SWITCHER"; |
| |
| private PreferenceCategory mPreferenceCategory; |
| private List<RoutingSessionInfo> mRoutingSessionInfos = new ArrayList<>(); |
| |
| @VisibleForTesting |
| LocalMediaManager mLocalMediaManager; |
| @VisibleForTesting |
| MediaRouter2Manager mRouterManager; |
| |
| public RemoteVolumeGroupController(Context context, String preferenceKey) { |
| super(context, preferenceKey); |
| if (mLocalMediaManager == null) { |
| mLocalMediaManager = new LocalMediaManager(mContext, null, null); |
| mLocalMediaManager.registerCallback(this); |
| mLocalMediaManager.startScan(); |
| } |
| mRouterManager = MediaRouter2Manager.getInstance(context); |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| if (mRoutingSessionInfos.isEmpty()) { |
| return CONDITIONALLY_UNAVAILABLE; |
| } |
| return AVAILABLE_UNSEARCHABLE; |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| mPreferenceCategory = screen.findPreference(getPreferenceKey()); |
| initRemoteMediaSession(); |
| refreshPreference(); |
| } |
| |
| private void initRemoteMediaSession() { |
| mRoutingSessionInfos.clear(); |
| for (RoutingSessionInfo info : mLocalMediaManager.getActiveMediaSession()) { |
| if (!info.isSystemSession()) { |
| mRoutingSessionInfos.add(info); |
| } |
| } |
| } |
| |
| @Override |
| public void onDestroy() { |
| mLocalMediaManager.unregisterCallback(this); |
| mLocalMediaManager.stopScan(); |
| } |
| |
| private void refreshPreference() { |
| mPreferenceCategory.removeAll(); |
| if (!isAvailable()) { |
| mPreferenceCategory.setVisible(false); |
| return; |
| } |
| final CharSequence castVolume = mContext.getText(R.string.remote_media_volume_option_title); |
| mPreferenceCategory.setVisible(true); |
| |
| for (RoutingSessionInfo info : mRoutingSessionInfos) { |
| if (mPreferenceCategory.findPreference(info.getId()) != null) { |
| continue; |
| } |
| final CharSequence appName = Utils.getApplicationLabel( |
| mContext, info.getClientPackageName()); |
| final CharSequence outputTitle = mContext.getString(R.string.media_output_label_title, |
| appName); |
| // Add slider |
| final RemoteVolumeSeekBarPreference seekBarPreference = |
| new RemoteVolumeSeekBarPreference(mContext); |
| seekBarPreference.setKey(info.getId()); |
| seekBarPreference.setTitle(castVolume); |
| seekBarPreference.setMax(info.getVolumeMax()); |
| seekBarPreference.setProgress(info.getVolume()); |
| seekBarPreference.setMin(0); |
| seekBarPreference.setOnPreferenceChangeListener(this); |
| seekBarPreference.setIcon(R.drawable.ic_volume_remote); |
| mPreferenceCategory.addPreference(seekBarPreference); |
| // Add output indicator |
| final boolean isMediaOutputDisabled = Utils.isMediaOutputDisabled( |
| mRouterManager, info.getClientPackageName()); |
| final Preference preference = new Preference(mContext); |
| preference.setKey(SWITCHER_PREFIX + info.getId()); |
| preference.setTitle(isMediaOutputDisabled ? appName : outputTitle); |
| preference.setSummary(info.getName()); |
| preference.setEnabled(!isMediaOutputDisabled); |
| mPreferenceCategory.addPreference(preference); |
| } |
| } |
| |
| @Override |
| public boolean onPreferenceChange(Preference preference, Object newValue) { |
| ThreadUtils.postOnBackgroundThread(() -> { |
| mLocalMediaManager.adjustSessionVolume(preference.getKey(), (int) newValue); |
| }); |
| return true; |
| } |
| |
| @Override |
| public boolean handlePreferenceTreeClick(Preference preference) { |
| if (!preference.getKey().startsWith(SWITCHER_PREFIX)) { |
| return false; |
| } |
| for (RoutingSessionInfo info : mRoutingSessionInfos) { |
| if (TextUtils.equals(info.getId(), |
| preference.getKey().substring(SWITCHER_PREFIX.length()))) { |
| final Intent intent = new Intent() |
| .setAction(MediaOutputSliceConstants.ACTION_MEDIA_OUTPUT) |
| .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK) |
| .putExtra(MediaOutputSliceConstants.EXTRA_PACKAGE_NAME, |
| info.getClientPackageName()); |
| mContext.startActivity(intent); |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY_REMOTE_VOLUME_GROUP; |
| } |
| |
| @Override |
| public void onDeviceListUpdate(List<MediaDevice> devices) { |
| if (mPreferenceCategory == null) { |
| // Preference group is not ready. |
| return; |
| } |
| initRemoteMediaSession(); |
| refreshPreference(); |
| } |
| |
| @Override |
| public void onSelectedDeviceStateChanged(MediaDevice device, int state) { |
| } |
| } |