| /* |
| * Copyright 2018 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.media; |
| |
| import android.app.Notification; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothProfile; |
| import android.content.Context; |
| import android.util.Log; |
| |
| import com.android.settingslib.bluetooth.A2dpProfile; |
| import com.android.settingslib.bluetooth.BluetoothCallback; |
| import com.android.settingslib.bluetooth.CachedBluetoothDevice; |
| import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager; |
| import com.android.settingslib.bluetooth.HearingAidProfile; |
| import com.android.settingslib.bluetooth.LocalBluetoothManager; |
| import com.android.settingslib.bluetooth.LocalBluetoothProfileManager; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * BluetoothMediaManager provide interface to get Bluetooth device list. |
| */ |
| public class BluetoothMediaManager extends MediaManager implements BluetoothCallback, |
| LocalBluetoothProfileManager.ServiceListener { |
| |
| private static final String TAG = "BluetoothMediaManager"; |
| |
| private final DeviceAttributeChangeCallback mDeviceAttributeChangeCallback = |
| new DeviceAttributeChangeCallback(); |
| |
| private LocalBluetoothManager mLocalBluetoothManager; |
| private LocalBluetoothProfileManager mProfileManager; |
| private CachedBluetoothDeviceManager mCachedBluetoothDeviceManager; |
| |
| private MediaDevice mLastAddedDevice; |
| private MediaDevice mLastRemovedDevice; |
| |
| private boolean mIsA2dpProfileReady = false; |
| private boolean mIsHearingAidProfileReady = false; |
| |
| BluetoothMediaManager(Context context, LocalBluetoothManager localBluetoothManager, |
| Notification notification) { |
| super(context, notification); |
| |
| mLocalBluetoothManager = localBluetoothManager; |
| mProfileManager = mLocalBluetoothManager.getProfileManager(); |
| mCachedBluetoothDeviceManager = mLocalBluetoothManager.getCachedDeviceManager(); |
| } |
| |
| @Override |
| public void startScan() { |
| mLocalBluetoothManager.getEventManager().registerCallback(this); |
| buildBluetoothDeviceList(); |
| dispatchDeviceListAdded(); |
| addServiceListenerIfNecessary(); |
| } |
| |
| private void addServiceListenerIfNecessary() { |
| // The profile may not ready when calling startScan(). |
| // Device status are all disconnected since profiles are not ready to connected. |
| // In this case, we observe onServiceConnected() in LocalBluetoothProfileManager. |
| // When A2dpProfile or HearingAidProfile is connected will call buildBluetoothDeviceList() |
| // again to find the connected devices. |
| if (!mIsA2dpProfileReady || !mIsHearingAidProfileReady) { |
| mProfileManager.addServiceListener(this); |
| } |
| } |
| |
| private void buildBluetoothDeviceList() { |
| mMediaDevices.clear(); |
| addConnectableA2dpDevices(); |
| addConnectableHearingAidDevices(); |
| } |
| |
| private void addConnectableA2dpDevices() { |
| final A2dpProfile a2dpProfile = mProfileManager.getA2dpProfile(); |
| if (a2dpProfile == null) { |
| Log.w(TAG, "addConnectableA2dpDevices() a2dp profile is null!"); |
| return; |
| } |
| |
| final List<BluetoothDevice> devices = a2dpProfile.getConnectableDevices(); |
| |
| for (BluetoothDevice device : devices) { |
| final CachedBluetoothDevice cachedDevice = |
| mCachedBluetoothDeviceManager.findDevice(device); |
| |
| if (cachedDevice == null) { |
| Log.w(TAG, "Can't found CachedBluetoothDevice : " + device.getName()); |
| continue; |
| } |
| |
| Log.d(TAG, "addConnectableA2dpDevices() device : " + cachedDevice.getName() |
| + ", is connected : " + cachedDevice.isConnected() |
| + ", is preferred : " + a2dpProfile.isPreferred(device)); |
| |
| if (a2dpProfile.isPreferred(device) |
| && BluetoothDevice.BOND_BONDED == cachedDevice.getBondState()) { |
| addMediaDevice(cachedDevice); |
| } |
| } |
| |
| mIsA2dpProfileReady = a2dpProfile.isProfileReady(); |
| } |
| |
| private void addConnectableHearingAidDevices() { |
| final HearingAidProfile hapProfile = mProfileManager.getHearingAidProfile(); |
| if (hapProfile == null) { |
| Log.w(TAG, "addConnectableHearingAidDevices() hap profile is null!"); |
| return; |
| } |
| |
| final List<Long> devicesHiSyncIds = new ArrayList<>(); |
| final List<BluetoothDevice> devices = hapProfile.getConnectableDevices(); |
| |
| for (BluetoothDevice device : devices) { |
| final CachedBluetoothDevice cachedDevice = |
| mCachedBluetoothDeviceManager.findDevice(device); |
| |
| if (cachedDevice == null) { |
| Log.w(TAG, "Can't found CachedBluetoothDevice : " + device.getName()); |
| continue; |
| } |
| |
| Log.d(TAG, "addConnectableHearingAidDevices() device : " + cachedDevice.getName() |
| + ", is connected : " + cachedDevice.isConnected() |
| + ", is preferred : " + hapProfile.isPreferred(device)); |
| |
| final long hiSyncId = hapProfile.getHiSyncId(device); |
| |
| // device with same hiSyncId should not be shown in the UI. |
| // So do not add it into connectedDevices. |
| if (!devicesHiSyncIds.contains(hiSyncId) && hapProfile.isPreferred(device) |
| && BluetoothDevice.BOND_BONDED == cachedDevice.getBondState()) { |
| devicesHiSyncIds.add(hiSyncId); |
| addMediaDevice(cachedDevice); |
| } |
| } |
| |
| mIsHearingAidProfileReady = hapProfile.isProfileReady(); |
| } |
| |
| private void addMediaDevice(CachedBluetoothDevice cachedDevice) { |
| MediaDevice mediaDevice = findMediaDevice(MediaDeviceUtils.getId(cachedDevice)); |
| if (mediaDevice == null) { |
| mediaDevice = new BluetoothMediaDevice(mContext, cachedDevice); |
| cachedDevice.registerCallback(mDeviceAttributeChangeCallback); |
| mLastAddedDevice = mediaDevice; |
| mMediaDevices.add(mediaDevice); |
| } |
| } |
| |
| @Override |
| public void stopScan() { |
| mLocalBluetoothManager.getEventManager().unregisterCallback(this); |
| unregisterDeviceAttributeChangeCallback(); |
| } |
| |
| private void unregisterDeviceAttributeChangeCallback() { |
| for (MediaDevice device : mMediaDevices) { |
| ((BluetoothMediaDevice) device).getCachedDevice() |
| .unregisterCallback(mDeviceAttributeChangeCallback); |
| } |
| } |
| |
| @Override |
| public void onBluetoothStateChanged(int bluetoothState) { |
| if (BluetoothAdapter.STATE_ON == bluetoothState) { |
| buildBluetoothDeviceList(); |
| dispatchDeviceListAdded(); |
| addServiceListenerIfNecessary(); |
| } else if (BluetoothAdapter.STATE_OFF == bluetoothState) { |
| final List<MediaDevice> removeDevicesList = new ArrayList<>(); |
| for (MediaDevice device : mMediaDevices) { |
| ((BluetoothMediaDevice) device).getCachedDevice() |
| .unregisterCallback(mDeviceAttributeChangeCallback); |
| removeDevicesList.add(device); |
| } |
| mMediaDevices.removeAll(removeDevicesList); |
| dispatchDeviceListRemoved(removeDevicesList); |
| } |
| } |
| |
| @Override |
| public void onDeviceAdded(CachedBluetoothDevice cachedDevice) { |
| if (isCachedDeviceConnected(cachedDevice)) { |
| addMediaDevice(cachedDevice); |
| dispatchDeviceAdded(cachedDevice); |
| } |
| } |
| |
| private boolean isCachedDeviceConnected(CachedBluetoothDevice cachedDevice) { |
| final boolean isConnectedHearingAidDevice = cachedDevice.isConnectedHearingAidDevice(); |
| final boolean isConnectedA2dpDevice = cachedDevice.isConnectedA2dpDevice(); |
| Log.d(TAG, "isCachedDeviceConnected() cachedDevice : " + cachedDevice |
| + ", is hearing aid connected : " + isConnectedHearingAidDevice |
| + ", is a2dp connected : " + isConnectedA2dpDevice); |
| |
| return isConnectedHearingAidDevice || isConnectedA2dpDevice; |
| } |
| |
| private void dispatchDeviceAdded(CachedBluetoothDevice cachedDevice) { |
| if (mLastAddedDevice != null |
| && MediaDeviceUtils.getId(cachedDevice) == mLastAddedDevice.getId()) { |
| dispatchDeviceAdded(mLastAddedDevice); |
| } |
| } |
| |
| @Override |
| public void onDeviceDeleted(CachedBluetoothDevice cachedDevice) { |
| if (!isCachedDeviceConnected(cachedDevice)) { |
| removeMediaDevice(cachedDevice); |
| dispatchDeviceRemoved(cachedDevice); |
| } |
| } |
| |
| private void removeMediaDevice(CachedBluetoothDevice cachedDevice) { |
| final MediaDevice mediaDevice = findMediaDevice(MediaDeviceUtils.getId(cachedDevice)); |
| if (mediaDevice != null) { |
| cachedDevice.unregisterCallback(mDeviceAttributeChangeCallback); |
| mLastRemovedDevice = mediaDevice; |
| mMediaDevices.remove(mediaDevice); |
| } |
| } |
| |
| void dispatchDeviceRemoved(CachedBluetoothDevice cachedDevice) { |
| if (mLastRemovedDevice != null |
| && MediaDeviceUtils.getId(cachedDevice) == mLastRemovedDevice.getId()) { |
| dispatchDeviceRemoved(mLastRemovedDevice); |
| } |
| } |
| |
| @Override |
| public void onProfileConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state, |
| int bluetoothProfile) { |
| Log.d(TAG, "onProfileConnectionStateChanged() device: " + cachedDevice |
| + ", state: " + state + ", bluetoothProfile: " + bluetoothProfile); |
| |
| updateMediaDeviceListIfNecessary(cachedDevice); |
| } |
| |
| private void updateMediaDeviceListIfNecessary(CachedBluetoothDevice cachedDevice) { |
| if (BluetoothDevice.BOND_NONE == cachedDevice.getBondState()) { |
| removeMediaDevice(cachedDevice); |
| dispatchDeviceRemoved(cachedDevice); |
| } else { |
| if (findMediaDevice(MediaDeviceUtils.getId(cachedDevice)) != null) { |
| dispatchDataChanged(); |
| } |
| } |
| } |
| |
| @Override |
| public void onAclConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state) { |
| Log.d(TAG, "onAclConnectionStateChanged() device: " + cachedDevice + ", state: " + state); |
| |
| updateMediaDeviceListIfNecessary(cachedDevice); |
| } |
| |
| @Override |
| public void onActiveDeviceChanged(CachedBluetoothDevice activeDevice, int bluetoothProfile) { |
| Log.d(TAG, "onActiveDeviceChanged : device : " |
| + activeDevice + ", profile : " + bluetoothProfile); |
| |
| if (BluetoothProfile.HEARING_AID == bluetoothProfile) { |
| if (activeDevice != null) { |
| dispatchConnectedDeviceChanged(MediaDeviceUtils.getId(activeDevice)); |
| } |
| } else if (BluetoothProfile.A2DP == bluetoothProfile) { |
| // When active device change to Hearing Aid, |
| // BluetoothEventManager also send onActiveDeviceChanged() to notify that active device |
| // of A2DP profile is null. To handle this case, check hearing aid device |
| // is active device or not |
| final MediaDevice activeHearingAidDevice = findActiveHearingAidDevice(); |
| final String id = activeDevice == null |
| ? activeHearingAidDevice == null |
| ? PhoneMediaDevice.ID : activeHearingAidDevice.getId() |
| : MediaDeviceUtils.getId(activeDevice); |
| dispatchConnectedDeviceChanged(id); |
| } |
| } |
| |
| private MediaDevice findActiveHearingAidDevice() { |
| final HearingAidProfile hearingAidProfile = mProfileManager.getHearingAidProfile(); |
| |
| if (hearingAidProfile != null) { |
| final List<BluetoothDevice> activeDevices = hearingAidProfile.getActiveDevices(); |
| for (BluetoothDevice btDevice : activeDevices) { |
| if (btDevice != null) { |
| return findMediaDevice(MediaDeviceUtils.getId(btDevice)); |
| } |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public void onServiceConnected() { |
| if (!mIsA2dpProfileReady || !mIsHearingAidProfileReady) { |
| buildBluetoothDeviceList(); |
| dispatchDeviceListAdded(); |
| } |
| |
| //Remove the listener once a2dpProfile and hearingAidProfile are ready. |
| if (mIsA2dpProfileReady && mIsHearingAidProfileReady) { |
| mProfileManager.removeServiceListener(this); |
| } |
| } |
| |
| @Override |
| public void onServiceDisconnected() { |
| |
| } |
| |
| /** |
| * This callback is for update {@link BluetoothMediaDevice} summary when |
| * {@link CachedBluetoothDevice} connection state is changed. |
| */ |
| private class DeviceAttributeChangeCallback implements CachedBluetoothDevice.Callback { |
| |
| @Override |
| public void onDeviceAttributesChanged() { |
| dispatchDataChanged(); |
| } |
| } |
| } |