| /* |
| * Copyright (C) 2011 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.settingslib.bluetooth; |
| |
| import android.bluetooth.BluetoothA2dp; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothClass; |
| import android.bluetooth.BluetoothCodecConfig; |
| import android.bluetooth.BluetoothCodecStatus; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothProfile; |
| import android.bluetooth.BluetoothUuid; |
| import android.content.Context; |
| import android.os.ParcelUuid; |
| import android.util.Log; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.settingslib.R; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| public class A2dpProfile implements LocalBluetoothProfile { |
| private static final String TAG = "A2dpProfile"; |
| private static boolean V = false; |
| |
| private Context mContext; |
| |
| private BluetoothA2dp mService; |
| BluetoothA2dpWrapper.Factory mWrapperFactory; |
| private BluetoothA2dpWrapper mServiceWrapper; |
| private boolean mIsProfileReady; |
| |
| private final LocalBluetoothAdapter mLocalAdapter; |
| private final CachedBluetoothDeviceManager mDeviceManager; |
| |
| static final ParcelUuid[] SINK_UUIDS = { |
| BluetoothUuid.AudioSink, |
| BluetoothUuid.AdvAudioDist, |
| }; |
| |
| static final String NAME = "A2DP"; |
| private final LocalBluetoothProfileManager mProfileManager; |
| |
| // Order of this profile in device profiles list |
| private static final int ORDINAL = 1; |
| |
| // These callbacks run on the main thread. |
| private final class A2dpServiceListener |
| implements BluetoothProfile.ServiceListener { |
| |
| public void onServiceConnected(int profile, BluetoothProfile proxy) { |
| if (V) Log.d(TAG,"Bluetooth service connected"); |
| mService = (BluetoothA2dp) proxy; |
| mServiceWrapper = mWrapperFactory.getInstance(mService); |
| // We just bound to the service, so refresh the UI for any connected A2DP devices. |
| List<BluetoothDevice> deviceList = mService.getConnectedDevices(); |
| while (!deviceList.isEmpty()) { |
| BluetoothDevice nextDevice = deviceList.remove(0); |
| CachedBluetoothDevice device = mDeviceManager.findDevice(nextDevice); |
| // we may add a new device here, but generally this should not happen |
| if (device == null) { |
| Log.w(TAG, "A2dpProfile found new device: " + nextDevice); |
| device = mDeviceManager.addDevice(mLocalAdapter, mProfileManager, nextDevice); |
| } |
| device.onProfileStateChanged(A2dpProfile.this, BluetoothProfile.STATE_CONNECTED); |
| device.refresh(); |
| } |
| mIsProfileReady=true; |
| } |
| |
| public void onServiceDisconnected(int profile) { |
| if (V) Log.d(TAG,"Bluetooth service disconnected"); |
| mIsProfileReady=false; |
| } |
| } |
| |
| public boolean isProfileReady() { |
| return mIsProfileReady; |
| } |
| |
| A2dpProfile(Context context, LocalBluetoothAdapter adapter, |
| CachedBluetoothDeviceManager deviceManager, |
| LocalBluetoothProfileManager profileManager) { |
| mContext = context; |
| mLocalAdapter = adapter; |
| mDeviceManager = deviceManager; |
| mProfileManager = profileManager; |
| mWrapperFactory = new BluetoothA2dpWrapperImpl.Factory(); |
| mLocalAdapter.getProfileProxy(context, new A2dpServiceListener(), |
| BluetoothProfile.A2DP); |
| } |
| |
| @VisibleForTesting |
| void setWrapperFactory(BluetoothA2dpWrapper.Factory factory) { |
| mWrapperFactory = factory; |
| } |
| |
| public boolean isConnectable() { |
| return true; |
| } |
| |
| public boolean isAutoConnectable() { |
| return true; |
| } |
| |
| public List<BluetoothDevice> getConnectedDevices() { |
| if (mService == null) return new ArrayList<BluetoothDevice>(0); |
| return mService.getDevicesMatchingConnectionStates( |
| new int[] {BluetoothProfile.STATE_CONNECTED, |
| BluetoothProfile.STATE_CONNECTING, |
| BluetoothProfile.STATE_DISCONNECTING}); |
| } |
| |
| public boolean connect(BluetoothDevice device) { |
| if (mService == null) return false; |
| List<BluetoothDevice> sinks = getConnectedDevices(); |
| if (sinks != null) { |
| for (BluetoothDevice sink : sinks) { |
| if (sink.equals(device)) { |
| Log.w(TAG, "Connecting to device " + device + " : disconnect skipped"); |
| continue; |
| } |
| mService.disconnect(sink); |
| } |
| } |
| return mService.connect(device); |
| } |
| |
| public boolean disconnect(BluetoothDevice device) { |
| if (mService == null) return false; |
| // Downgrade priority as user is disconnecting the headset. |
| if (mService.getPriority(device) > BluetoothProfile.PRIORITY_ON){ |
| mService.setPriority(device, BluetoothProfile.PRIORITY_ON); |
| } |
| return mService.disconnect(device); |
| } |
| |
| public int getConnectionStatus(BluetoothDevice device) { |
| if (mService == null) { |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| return mService.getConnectionState(device); |
| } |
| |
| public boolean isPreferred(BluetoothDevice device) { |
| if (mService == null) return false; |
| return mService.getPriority(device) > BluetoothProfile.PRIORITY_OFF; |
| } |
| |
| public int getPreferred(BluetoothDevice device) { |
| if (mService == null) return BluetoothProfile.PRIORITY_OFF; |
| return mService.getPriority(device); |
| } |
| |
| public void setPreferred(BluetoothDevice device, boolean preferred) { |
| if (mService == null) return; |
| if (preferred) { |
| if (mService.getPriority(device) < BluetoothProfile.PRIORITY_ON) { |
| mService.setPriority(device, BluetoothProfile.PRIORITY_ON); |
| } |
| } else { |
| mService.setPriority(device, BluetoothProfile.PRIORITY_OFF); |
| } |
| } |
| boolean isA2dpPlaying() { |
| if (mService == null) return false; |
| List<BluetoothDevice> sinks = mService.getConnectedDevices(); |
| if (!sinks.isEmpty()) { |
| if (mService.isA2dpPlaying(sinks.get(0))) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public boolean supportsHighQualityAudio(BluetoothDevice device) { |
| int support = mServiceWrapper.supportsOptionalCodecs(device); |
| return support == BluetoothA2dp.OPTIONAL_CODECS_SUPPORTED; |
| } |
| |
| public boolean isHighQualityAudioEnabled(BluetoothDevice device) { |
| int enabled = mServiceWrapper.getOptionalCodecsEnabled(device); |
| if (enabled != BluetoothA2dp.OPTIONAL_CODECS_PREF_UNKNOWN) { |
| return enabled == BluetoothA2dp.OPTIONAL_CODECS_PREF_ENABLED; |
| } else if (getConnectionStatus(device) != BluetoothProfile.STATE_CONNECTED && |
| supportsHighQualityAudio(device)) { |
| // Since we don't have a stored preference and the device isn't connected, just return |
| // true since the default behavior when the device gets connected in the future would be |
| // to have optional codecs enabled. |
| return true; |
| } |
| BluetoothCodecConfig codecConfig = null; |
| if (mServiceWrapper.getCodecStatus() != null) { |
| codecConfig = mServiceWrapper.getCodecStatus().getCodecConfig(); |
| } |
| if (codecConfig != null) { |
| return !codecConfig.isMandatoryCodec(); |
| } else { |
| return false; |
| } |
| } |
| |
| public void setHighQualityAudioEnabled(BluetoothDevice device, boolean enabled) { |
| int prefValue = enabled |
| ? BluetoothA2dp.OPTIONAL_CODECS_PREF_ENABLED |
| : BluetoothA2dp.OPTIONAL_CODECS_PREF_DISABLED; |
| mServiceWrapper.setOptionalCodecsEnabled(device, prefValue); |
| if (getConnectionStatus(device) != BluetoothProfile.STATE_CONNECTED) { |
| return; |
| } |
| if (enabled) { |
| mService.enableOptionalCodecs(); |
| } else { |
| mService.disableOptionalCodecs(); |
| } |
| } |
| |
| public String getHighQualityAudioOptionLabel(BluetoothDevice device) { |
| int unknownCodecId = R.string.bluetooth_profile_a2dp_high_quality_unknown_codec; |
| if (!supportsHighQualityAudio(device) || |
| getConnectionStatus(device) != BluetoothProfile.STATE_CONNECTED) { |
| return mContext.getString(unknownCodecId); |
| } |
| // We want to get the highest priority codec, since that's the one that will be used with |
| // this device, and see if it is high-quality (ie non-mandatory). |
| BluetoothCodecConfig[] selectable = null; |
| if (mServiceWrapper.getCodecStatus() != null) { |
| selectable = mServiceWrapper.getCodecStatus().getCodecsSelectableCapabilities(); |
| // To get the highest priority, we sort in reverse. |
| Arrays.sort(selectable, |
| (a, b) -> { |
| return b.getCodecPriority() - a.getCodecPriority(); |
| }); |
| } |
| if (selectable == null || selectable.length < 1 || selectable[0].isMandatoryCodec()) { |
| return mContext.getString(unknownCodecId); |
| } |
| return mContext.getString(R.string.bluetooth_profile_a2dp_high_quality, |
| selectable[0].getCodecName()); |
| } |
| |
| public String toString() { |
| return NAME; |
| } |
| |
| public int getOrdinal() { |
| return ORDINAL; |
| } |
| |
| public int getNameResource(BluetoothDevice device) { |
| return R.string.bluetooth_profile_a2dp; |
| } |
| |
| public int getSummaryResourceForDevice(BluetoothDevice device) { |
| int state = getConnectionStatus(device); |
| switch (state) { |
| case BluetoothProfile.STATE_DISCONNECTED: |
| return R.string.bluetooth_a2dp_profile_summary_use_for; |
| |
| case BluetoothProfile.STATE_CONNECTED: |
| return R.string.bluetooth_a2dp_profile_summary_connected; |
| |
| default: |
| return Utils.getConnectionStateSummary(state); |
| } |
| } |
| |
| public int getDrawableResource(BluetoothClass btClass) { |
| return R.drawable.ic_bt_headphones_a2dp; |
| } |
| |
| protected void finalize() { |
| if (V) Log.d(TAG, "finalize()"); |
| if (mService != null) { |
| try { |
| BluetoothAdapter.getDefaultAdapter().closeProfileProxy(BluetoothProfile.A2DP, |
| mService); |
| mService = null; |
| }catch (Throwable t) { |
| Log.w(TAG, "Error cleaning up A2DP proxy", t); |
| } |
| } |
| } |
| } |
