| /* |
| * 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 static android.bluetooth.BluetoothAdapter.ACTIVE_DEVICE_AUDIO; |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_ALLOWED; |
| import static android.bluetooth.BluetoothProfile.CONNECTION_POLICY_FORBIDDEN; |
| |
| import android.bluetooth.BluetoothA2dp; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothClass; |
| import android.bluetooth.BluetoothCodecConfig; |
| 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.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 Context mContext; |
| |
| private BluetoothA2dp mService; |
| private boolean mIsProfileReady; |
| |
| private final CachedBluetoothDeviceManager mDeviceManager; |
| private final BluetoothAdapter mBluetoothAdapter; |
| |
| static final ParcelUuid[] SINK_UUIDS = { |
| BluetoothUuid.A2DP_SINK, |
| BluetoothUuid.ADV_AUDIO_DIST, |
| }; |
| |
| 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) { |
| mService = (BluetoothA2dp) proxy; |
| // 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(nextDevice); |
| } |
| device.onProfileStateChanged(A2dpProfile.this, BluetoothProfile.STATE_CONNECTED); |
| device.refresh(); |
| } |
| mIsProfileReady=true; |
| mProfileManager.callServiceConnectedListeners(); |
| } |
| |
| public void onServiceDisconnected(int profile) { |
| mIsProfileReady=false; |
| } |
| } |
| |
| public boolean isProfileReady() { |
| return mIsProfileReady; |
| } |
| |
| @Override |
| public int getProfileId() { |
| return BluetoothProfile.A2DP; |
| } |
| |
| A2dpProfile(Context context, CachedBluetoothDeviceManager deviceManager, |
| LocalBluetoothProfileManager profileManager) { |
| mContext = context; |
| mDeviceManager = deviceManager; |
| mProfileManager = profileManager; |
| mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); |
| mBluetoothAdapter.getProfileProxy(context, new A2dpServiceListener(), |
| BluetoothProfile.A2DP); |
| } |
| |
| public boolean accessProfileEnabled() { |
| return true; |
| } |
| |
| public boolean isAutoConnectable() { |
| return true; |
| } |
| |
| /** |
| * Get A2dp devices matching connection states{ |
| * @code BluetoothProfile.STATE_CONNECTED, |
| * @code BluetoothProfile.STATE_CONNECTING, |
| * @code BluetoothProfile.STATE_DISCONNECTING} |
| * |
| * @return Matching device list |
| */ |
| public List<BluetoothDevice> getConnectedDevices() { |
| return getDevicesByStates(new int[] { |
| BluetoothProfile.STATE_CONNECTED, |
| BluetoothProfile.STATE_CONNECTING, |
| BluetoothProfile.STATE_DISCONNECTING}); |
| } |
| |
| /** |
| * Get A2dp devices matching connection states{ |
| * @code BluetoothProfile.STATE_DISCONNECTED, |
| * @code BluetoothProfile.STATE_CONNECTED, |
| * @code BluetoothProfile.STATE_CONNECTING, |
| * @code BluetoothProfile.STATE_DISCONNECTING} |
| * |
| * @return Matching device list |
| */ |
| public List<BluetoothDevice> getConnectableDevices() { |
| return getDevicesByStates(new int[] { |
| BluetoothProfile.STATE_DISCONNECTED, |
| BluetoothProfile.STATE_CONNECTED, |
| BluetoothProfile.STATE_CONNECTING, |
| BluetoothProfile.STATE_DISCONNECTING}); |
| } |
| |
| private List<BluetoothDevice> getDevicesByStates(int[] states) { |
| if (mService == null) { |
| return new ArrayList<BluetoothDevice>(0); |
| } |
| return mService.getDevicesMatchingConnectionStates(states); |
| } |
| |
| public int getConnectionStatus(BluetoothDevice device) { |
| if (mService == null) { |
| return BluetoothProfile.STATE_DISCONNECTED; |
| } |
| return mService.getConnectionState(device); |
| } |
| |
| public boolean setActiveDevice(BluetoothDevice device) { |
| if (mBluetoothAdapter == null) { |
| return false; |
| } |
| return device == null |
| ? mBluetoothAdapter.removeActiveDevice(ACTIVE_DEVICE_AUDIO) |
| : mBluetoothAdapter.setActiveDevice(device, ACTIVE_DEVICE_AUDIO); |
| } |
| |
| public BluetoothDevice getActiveDevice() { |
| if (mService == null) return null; |
| return mService.getActiveDevice(); |
| } |
| |
| @Override |
| public boolean isEnabled(BluetoothDevice device) { |
| if (mService == null) { |
| return false; |
| } |
| return mService.getConnectionPolicy(device) > CONNECTION_POLICY_FORBIDDEN; |
| } |
| |
| @Override |
| public int getConnectionPolicy(BluetoothDevice device) { |
| if (mService == null) { |
| return CONNECTION_POLICY_FORBIDDEN; |
| } |
| return mService.getConnectionPolicy(device); |
| } |
| |
| @Override |
| public boolean setEnabled(BluetoothDevice device, boolean enabled) { |
| boolean isEnabled = false; |
| if (mService == null) { |
| return false; |
| } |
| if (enabled) { |
| if (mService.getConnectionPolicy(device) < CONNECTION_POLICY_ALLOWED) { |
| isEnabled = mService.setConnectionPolicy(device, CONNECTION_POLICY_ALLOWED); |
| } |
| } else { |
| isEnabled = mService.setConnectionPolicy(device, CONNECTION_POLICY_FORBIDDEN); |
| } |
| |
| return isEnabled; |
| } |
| boolean isA2dpPlaying() { |
| if (mService == null) return false; |
| List<BluetoothDevice> sinks = mService.getConnectedDevices(); |
| for (BluetoothDevice device : sinks) { |
| if (mService.isA2dpPlaying(device)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| public boolean supportsHighQualityAudio(BluetoothDevice device) { |
| BluetoothDevice bluetoothDevice = (device != null) ? device : mService.getActiveDevice(); |
| if (bluetoothDevice == null) { |
| return false; |
| } |
| int support = mService.isOptionalCodecsSupported(bluetoothDevice); |
| return support == BluetoothA2dp.OPTIONAL_CODECS_SUPPORTED; |
| } |
| |
| public boolean isHighQualityAudioEnabled(BluetoothDevice device) { |
| BluetoothDevice bluetoothDevice = (device != null) ? device : mService.getActiveDevice(); |
| if (bluetoothDevice == null) { |
| return false; |
| } |
| int enabled = mService.isOptionalCodecsEnabled(bluetoothDevice); |
| if (enabled != BluetoothA2dp.OPTIONAL_CODECS_PREF_UNKNOWN) { |
| return enabled == BluetoothA2dp.OPTIONAL_CODECS_PREF_ENABLED; |
| } else if (getConnectionStatus(bluetoothDevice) != BluetoothProfile.STATE_CONNECTED |
| && supportsHighQualityAudio(bluetoothDevice)) { |
| // 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 (mService.getCodecStatus(bluetoothDevice) != null) { |
| codecConfig = mService.getCodecStatus(bluetoothDevice).getCodecConfig(); |
| } |
| if (codecConfig != null) { |
| return !codecConfig.isMandatoryCodec(); |
| } else { |
| return false; |
| } |
| } |
| |
| public void setHighQualityAudioEnabled(BluetoothDevice device, boolean enabled) { |
| BluetoothDevice bluetoothDevice = (device != null) ? device : mService.getActiveDevice(); |
| if (bluetoothDevice == null) { |
| return; |
| } |
| int prefValue = enabled |
| ? BluetoothA2dp.OPTIONAL_CODECS_PREF_ENABLED |
| : BluetoothA2dp.OPTIONAL_CODECS_PREF_DISABLED; |
| mService.setOptionalCodecsEnabled(bluetoothDevice, prefValue); |
| if (getConnectionStatus(bluetoothDevice) != BluetoothProfile.STATE_CONNECTED) { |
| return; |
| } |
| if (enabled) { |
| mService.enableOptionalCodecs(bluetoothDevice); |
| } else { |
| mService.disableOptionalCodecs(bluetoothDevice); |
| } |
| } |
| |
| public String getHighQualityAudioOptionLabel(BluetoothDevice device) { |
| BluetoothDevice bluetoothDevice = (device != null) ? device : mService.getActiveDevice(); |
| int unknownCodecId = R.string.bluetooth_profile_a2dp_high_quality_unknown_codec; |
| if (bluetoothDevice == null || !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 (mService.getCodecStatus(device) != null) { |
| selectable = mService.getCodecStatus(device).getCodecsSelectableCapabilities(); |
| // To get the highest priority, we sort in reverse. |
| Arrays.sort(selectable, |
| (a, b) -> { |
| return b.getCodecPriority() - a.getCodecPriority(); |
| }); |
| } |
| |
| final BluetoothCodecConfig codecConfig = (selectable == null || selectable.length < 1) |
| ? null : selectable[0]; |
| final int codecType = (codecConfig == null || codecConfig.isMandatoryCodec()) |
| ? BluetoothCodecConfig.SOURCE_CODEC_TYPE_INVALID : codecConfig.getCodecType(); |
| |
| int index = -1; |
| switch (codecType) { |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_SBC: |
| index = 1; |
| break; |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_AAC: |
| index = 2; |
| break; |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX: |
| index = 3; |
| break; |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_APTX_HD: |
| index = 4; |
| break; |
| case BluetoothCodecConfig.SOURCE_CODEC_TYPE_LDAC: |
| index = 5; |
| break; |
| } |
| |
| if (index < 0) { |
| return mContext.getString(unknownCodecId); |
| } |
| return mContext.getString(R.string.bluetooth_profile_a2dp_high_quality, |
| mContext.getResources().getStringArray(R.array.bluetooth_a2dp_codec_titles)[index]); |
| } |
| |
| 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 BluetoothUtils.getConnectionStateSummary(state); |
| } |
| } |
| |
| public int getDrawableResource(BluetoothClass btClass) { |
| return com.android.internal.R.drawable.ic_bt_headphones_a2dp; |
| } |
| |
| protected void finalize() { |
| 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); |
| } |
| } |
| } |
| } |
