1 /* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.connecteddevice.audiosharing; 18 19 import android.bluetooth.BluetoothAdapter; 20 import android.content.Context; 21 import android.util.Log; 22 23 import androidx.annotation.NonNull; 24 import androidx.annotation.Nullable; 25 import androidx.lifecycle.DefaultLifecycleObserver; 26 import androidx.lifecycle.LifecycleOwner; 27 import androidx.preference.Preference; 28 import androidx.preference.PreferenceScreen; 29 30 import com.android.settings.bluetooth.Utils; 31 import com.android.settings.core.BasePreferenceController; 32 import com.android.settingslib.bluetooth.BluetoothUtils; 33 import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcast; 34 import com.android.settingslib.bluetooth.LocalBluetoothManager; 35 import com.android.settingslib.bluetooth.LocalBluetoothProfileManager; 36 import com.android.settingslib.utils.ThreadUtils; 37 38 public abstract class AudioSharingBasePreferenceController extends BasePreferenceController 39 implements DefaultLifecycleObserver { 40 private static final String TAG = "AudioSharingBasePreferenceController"; 41 42 private final BluetoothAdapter mBluetoothAdapter; 43 @Nullable private final LocalBluetoothManager mBtManager; 44 @Nullable private final LocalBluetoothProfileManager mProfileManager; 45 @Nullable protected final LocalBluetoothLeBroadcast mBroadcast; 46 @Nullable protected Preference mPreference; 47 AudioSharingBasePreferenceController(Context context, String preferenceKey)48 public AudioSharingBasePreferenceController(Context context, String preferenceKey) { 49 super(context, preferenceKey); 50 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); 51 mBtManager = Utils.getLocalBtManager(context); 52 mProfileManager = mBtManager == null ? null : mBtManager.getProfileManager(); 53 mBroadcast = mProfileManager == null ? null : mProfileManager.getLeAudioBroadcastProfile(); 54 } 55 56 @Override getAvailabilityStatus()57 public int getAvailabilityStatus() { 58 return (BluetoothUtils.isAudioSharingUIAvailable(mContext)) 59 ? AVAILABLE : UNSUPPORTED_ON_DEVICE; 60 } 61 62 @Override displayPreference(PreferenceScreen screen)63 public void displayPreference(PreferenceScreen screen) { 64 super.displayPreference(screen); 65 mPreference = screen.findPreference(getPreferenceKey()); 66 } 67 68 @Override onStart(@onNull LifecycleOwner owner)69 public void onStart(@NonNull LifecycleOwner owner) { 70 updateVisibility(); 71 } 72 73 /** Update the visibility of the preference. */ updateVisibility()74 protected void updateVisibility() { 75 if (mPreference == null) { 76 Log.d(TAG, "Skip updateVisibility, null preference"); 77 return; 78 } 79 var unused = 80 ThreadUtils.postOnBackgroundThread( 81 () -> { 82 if (!isAvailable()) { 83 Log.w(TAG, "Skip updateVisibility, unavailable preference"); 84 AudioSharingUtils.postOnMainThread( 85 mContext, 86 () -> { // Check nullability to pass NullAway check 87 if (mPreference != null) { 88 mPreference.setVisible(false); 89 } 90 }); 91 return; 92 } 93 boolean isBtOn = isBluetoothStateOn(); 94 boolean isProfileReady = 95 AudioSharingUtils.isAudioSharingProfileReady(mProfileManager); 96 boolean isBroadcasting = isBroadcasting(); 97 boolean isVisible = isBtOn && isProfileReady && isBroadcasting; 98 Log.d( 99 TAG, 100 "updateVisibility, isBtOn = " 101 + isBtOn 102 + ", isProfileReady = " 103 + isProfileReady 104 + ", isBroadcasting = " 105 + isBroadcasting); 106 AudioSharingUtils.postOnMainThread( 107 mContext, 108 () -> { // Check nullability to pass NullAway check 109 if (mPreference != null) { 110 mPreference.setVisible(isVisible); 111 } 112 }); 113 }); 114 } 115 116 /** 117 * Triggered when {@link AudioSharingDashboardFragment} receive onAudioSharingProfilesConnected 118 * callbacks. 119 */ onAudioSharingProfilesConnected()120 protected void onAudioSharingProfilesConnected() {} 121 isBroadcasting()122 protected boolean isBroadcasting() { 123 return mBroadcast != null && mBroadcast.isEnabled(null); 124 } 125 isBluetoothStateOn()126 protected boolean isBluetoothStateOn() { 127 return mBluetoothAdapter != null && mBluetoothAdapter.isEnabled(); 128 } 129 } 130