| /* |
| * Copyright (C) 2008 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.BluetoothAdapter; |
| import android.bluetooth.BluetoothClass; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothHearingAid; |
| import android.bluetooth.BluetoothProfile; |
| import android.bluetooth.BluetoothUuid; |
| import android.content.Context; |
| import android.content.SharedPreferences; |
| import android.os.ParcelUuid; |
| import android.os.SystemClock; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.settingslib.R; |
| import com.android.settingslib.Utils; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * CachedBluetoothDevice represents a remote Bluetooth device. It contains |
| * attributes of the device (such as the address, name, RSSI, etc.) and |
| * functionality that can be performed on the device (connect, pair, disconnect, |
| * etc.). |
| */ |
| public class CachedBluetoothDevice implements Comparable<CachedBluetoothDevice> { |
| private static final String TAG = "CachedBluetoothDevice"; |
| |
| // See mConnectAttempted |
| private static final long MAX_UUID_DELAY_FOR_AUTO_CONNECT = 5000; |
| // Some Hearing Aids (especially the 2nd device) needs more time to do service discovery |
| private static final long MAX_HEARING_AIDS_DELAY_FOR_AUTO_CONNECT = 15000; |
| private static final long MAX_HOGP_DELAY_FOR_AUTO_CONNECT = 30000; |
| |
| private final Context mContext; |
| private final BluetoothAdapter mLocalAdapter; |
| private final LocalBluetoothProfileManager mProfileManager; |
| private final Object mProfileLock = new Object(); |
| BluetoothDevice mDevice; |
| private long mHiSyncId; |
| // Need this since there is no method for getting RSSI |
| short mRssi; |
| // mProfiles and mRemovedProfiles does not do swap() between main and sub device. It is |
| // because current sub device is only for HearingAid and its profile is the same. |
| private final List<LocalBluetoothProfile> mProfiles = new ArrayList<>(); |
| |
| // List of profiles that were previously in mProfiles, but have been removed |
| private final List<LocalBluetoothProfile> mRemovedProfiles = new ArrayList<>(); |
| |
| // Device supports PANU but not NAP: remove PanProfile after device disconnects from NAP |
| private boolean mLocalNapRoleConnected; |
| |
| boolean mJustDiscovered; |
| |
| private final Collection<Callback> mCallbacks = new ArrayList<>(); |
| |
| /** |
| * Last time a bt profile auto-connect was attempted. |
| * If an ACTION_UUID intent comes in within |
| * MAX_UUID_DELAY_FOR_AUTO_CONNECT milliseconds, we will try auto-connect |
| * again with the new UUIDs |
| */ |
| private long mConnectAttempted; |
| |
| // Active device state |
| private boolean mIsActiveDeviceA2dp = false; |
| private boolean mIsActiveDeviceHeadset = false; |
| private boolean mIsActiveDeviceHearingAid = false; |
| // Group second device for Hearing Aid |
| private CachedBluetoothDevice mSubDevice; |
| |
| CachedBluetoothDevice(Context context, LocalBluetoothProfileManager profileManager, |
| BluetoothDevice device) { |
| mContext = context; |
| mLocalAdapter = BluetoothAdapter.getDefaultAdapter(); |
| mProfileManager = profileManager; |
| mDevice = device; |
| fillData(); |
| mHiSyncId = BluetoothHearingAid.HI_SYNC_ID_INVALID; |
| } |
| |
| /** |
| * Describes the current device and profile for logging. |
| * |
| * @param profile Profile to describe |
| * @return Description of the device and profile |
| */ |
| private String describe(LocalBluetoothProfile profile) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("Address:").append(mDevice); |
| if (profile != null) { |
| sb.append(" Profile:").append(profile); |
| } |
| |
| return sb.toString(); |
| } |
| |
| void onProfileStateChanged(LocalBluetoothProfile profile, int newProfileState) { |
| if (BluetoothUtils.D) { |
| Log.d(TAG, "onProfileStateChanged: profile " + profile + ", device=" + mDevice |
| + ", newProfileState " + newProfileState); |
| } |
| if (mLocalAdapter.getState() == BluetoothAdapter.STATE_TURNING_OFF) |
| { |
| if (BluetoothUtils.D) { |
| Log.d(TAG, " BT Turninig Off...Profile conn state change ignored..."); |
| } |
| return; |
| } |
| |
| synchronized (mProfileLock) { |
| if (newProfileState == BluetoothProfile.STATE_CONNECTED) { |
| if (profile instanceof MapProfile) { |
| profile.setPreferred(mDevice, true); |
| } |
| if (!mProfiles.contains(profile)) { |
| mRemovedProfiles.remove(profile); |
| mProfiles.add(profile); |
| if (profile instanceof PanProfile |
| && ((PanProfile) profile).isLocalRoleNap(mDevice)) { |
| // Device doesn't support NAP, so remove PanProfile on disconnect |
| mLocalNapRoleConnected = true; |
| } |
| } |
| } else if (profile instanceof MapProfile |
| && newProfileState == BluetoothProfile.STATE_DISCONNECTED) { |
| profile.setPreferred(mDevice, false); |
| } else if (mLocalNapRoleConnected && profile instanceof PanProfile |
| && ((PanProfile) profile).isLocalRoleNap(mDevice) |
| && newProfileState == BluetoothProfile.STATE_DISCONNECTED) { |
| Log.d(TAG, "Removing PanProfile from device after NAP disconnect"); |
| mProfiles.remove(profile); |
| mRemovedProfiles.add(profile); |
| mLocalNapRoleConnected = false; |
| } |
| } |
| |
| fetchActiveDevices(); |
| } |
| |
| public void disconnect() { |
| synchronized (mProfileLock) { |
| for (LocalBluetoothProfile profile : mProfiles) { |
| disconnect(profile); |
| } |
| } |
| // Disconnect PBAP server in case its connected |
| // This is to ensure all the profiles are disconnected as some CK/Hs do not |
| // disconnect PBAP connection when HF connection is brought down |
| PbapServerProfile PbapProfile = mProfileManager.getPbapProfile(); |
| if (PbapProfile != null && isConnectedProfile(PbapProfile)) |
| { |
| PbapProfile.disconnect(mDevice); |
| } |
| } |
| |
| public void disconnect(LocalBluetoothProfile profile) { |
| if (profile.disconnect(mDevice)) { |
| if (BluetoothUtils.D) { |
| Log.d(TAG, "Command sent successfully:DISCONNECT " + describe(profile)); |
| } |
| } |
| } |
| |
| public void connect(boolean connectAllProfiles) { |
| if (!ensurePaired()) { |
| return; |
| } |
| |
| mConnectAttempted = SystemClock.elapsedRealtime(); |
| connectWithoutResettingTimer(connectAllProfiles); |
| } |
| |
| public long getHiSyncId() { |
| return mHiSyncId; |
| } |
| |
| public void setHiSyncId(long id) { |
| if (BluetoothUtils.D) { |
| Log.d(TAG, "setHiSyncId: mDevice " + mDevice + ", id " + id); |
| } |
| mHiSyncId = id; |
| } |
| |
| public boolean isHearingAidDevice() { |
| return mHiSyncId != BluetoothHearingAid.HI_SYNC_ID_INVALID; |
| } |
| |
| void onBondingDockConnect() { |
| // Attempt to connect if UUIDs are available. Otherwise, |
| // we will connect when the ACTION_UUID intent arrives. |
| connect(false); |
| } |
| |
| private void connectWithoutResettingTimer(boolean connectAllProfiles) { |
| synchronized (mProfileLock) { |
| // Try to initialize the profiles if they were not. |
| if (mProfiles.isEmpty()) { |
| // if mProfiles is empty, then do not invoke updateProfiles. This causes a race |
| // condition with carkits during pairing, wherein RemoteDevice.UUIDs have been |
| // updated from bluetooth stack but ACTION.uuid is not sent yet. |
| // Eventually ACTION.uuid will be received which shall trigger the connection of the |
| // various profiles |
| // If UUIDs are not available yet, connect will be happen |
| // upon arrival of the ACTION_UUID intent. |
| Log.d(TAG, "No profiles. Maybe we will connect later for device " + mDevice); |
| return; |
| } |
| |
| int preferredProfiles = 0; |
| for (LocalBluetoothProfile profile : mProfiles) { |
| if (connectAllProfiles ? profile.accessProfileEnabled() |
| : profile.isAutoConnectable()) { |
| if (profile.isPreferred(mDevice)) { |
| ++preferredProfiles; |
| connectInt(profile); |
| } |
| } |
| } |
| if (BluetoothUtils.D) Log.d(TAG, "Preferred profiles = " + preferredProfiles); |
| |
| if (preferredProfiles == 0) { |
| connectAutoConnectableProfiles(); |
| } |
| } |
| } |
| |
| private void connectAutoConnectableProfiles() { |
| if (!ensurePaired()) { |
| return; |
| } |
| |
| synchronized (mProfileLock) { |
| for (LocalBluetoothProfile profile : mProfiles) { |
| if (profile.isAutoConnectable()) { |
| profile.setPreferred(mDevice, true); |
| connectInt(profile); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Connect this device to the specified profile. |
| * |
| * @param profile the profile to use with the remote device |
| */ |
| public void connectProfile(LocalBluetoothProfile profile) { |
| mConnectAttempted = SystemClock.elapsedRealtime(); |
| connectInt(profile); |
| // Refresh the UI based on profile.connect() call |
| refresh(); |
| } |
| |
| synchronized void connectInt(LocalBluetoothProfile profile) { |
| if (!ensurePaired()) { |
| return; |
| } |
| if (profile.connect(mDevice)) { |
| if (BluetoothUtils.D) { |
| Log.d(TAG, "Command sent successfully:CONNECT " + describe(profile)); |
| } |
| return; |
| } |
| Log.i(TAG, "Failed to connect " + profile.toString() + " to " + getName()); |
| } |
| |
| private boolean ensurePaired() { |
| if (getBondState() == BluetoothDevice.BOND_NONE) { |
| startPairing(); |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| public boolean startPairing() { |
| // Pairing is unreliable while scanning, so cancel discovery |
| if (mLocalAdapter.isDiscovering()) { |
| mLocalAdapter.cancelDiscovery(); |
| } |
| |
| if (!mDevice.createBond()) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| public void unpair() { |
| int state = getBondState(); |
| |
| if (state == BluetoothDevice.BOND_BONDING) { |
| mDevice.cancelBondProcess(); |
| } |
| |
| if (state != BluetoothDevice.BOND_NONE) { |
| final BluetoothDevice dev = mDevice; |
| if (dev != null) { |
| final boolean successful = dev.removeBond(); |
| if (successful) { |
| if (BluetoothUtils.D) { |
| Log.d(TAG, "Command sent successfully:REMOVE_BOND " + describe(null)); |
| } |
| } else if (BluetoothUtils.V) { |
| Log.v(TAG, "Framework rejected command immediately:REMOVE_BOND " + |
| describe(null)); |
| } |
| } |
| } |
| } |
| |
| public int getProfileConnectionState(LocalBluetoothProfile profile) { |
| return profile != null |
| ? profile.getConnectionStatus(mDevice) |
| : BluetoothProfile.STATE_DISCONNECTED; |
| } |
| |
| // TODO: do any of these need to run async on a background thread? |
| private void fillData() { |
| updateProfiles(); |
| fetchActiveDevices(); |
| migratePhonebookPermissionChoice(); |
| migrateMessagePermissionChoice(); |
| |
| dispatchAttributesChanged(); |
| } |
| |
| public BluetoothDevice getDevice() { |
| return mDevice; |
| } |
| |
| /** |
| * Convenience method that can be mocked - it lets tests avoid having to call getDevice() which |
| * causes problems in tests since BluetoothDevice is final and cannot be mocked. |
| * @return the address of this device |
| */ |
| public String getAddress() { |
| return mDevice.getAddress(); |
| } |
| |
| /** |
| * Get name from remote device |
| * @return {@link BluetoothDevice#getAliasName()} if |
| * {@link BluetoothDevice#getAliasName()} is not null otherwise return |
| * {@link BluetoothDevice#getAddress()} |
| */ |
| public String getName() { |
| final String aliasName = mDevice.getAliasName(); |
| return TextUtils.isEmpty(aliasName) ? getAddress() : aliasName; |
| } |
| |
| /** |
| * User changes the device name |
| * @param name new alias name to be set, should never be null |
| */ |
| public void setName(String name) { |
| // Prevent getName() to be set to null if setName(null) is called |
| if (name != null && !TextUtils.equals(name, getName())) { |
| mDevice.setAlias(name); |
| dispatchAttributesChanged(); |
| } |
| } |
| |
| /** |
| * Set this device as active device |
| * @return true if at least one profile on this device is set to active, false otherwise |
| */ |
| public boolean setActive() { |
| boolean result = false; |
| A2dpProfile a2dpProfile = mProfileManager.getA2dpProfile(); |
| if (a2dpProfile != null && isConnectedProfile(a2dpProfile)) { |
| if (a2dpProfile.setActiveDevice(getDevice())) { |
| Log.i(TAG, "OnPreferenceClickListener: A2DP active device=" + this); |
| result = true; |
| } |
| } |
| HeadsetProfile headsetProfile = mProfileManager.getHeadsetProfile(); |
| if ((headsetProfile != null) && isConnectedProfile(headsetProfile)) { |
| if (headsetProfile.setActiveDevice(getDevice())) { |
| Log.i(TAG, "OnPreferenceClickListener: Headset active device=" + this); |
| result = true; |
| } |
| } |
| HearingAidProfile hearingAidProfile = mProfileManager.getHearingAidProfile(); |
| if ((hearingAidProfile != null) && isConnectedProfile(hearingAidProfile)) { |
| if (hearingAidProfile.setActiveDevice(getDevice())) { |
| Log.i(TAG, "OnPreferenceClickListener: Hearing Aid active device=" + this); |
| result = true; |
| } |
| } |
| return result; |
| } |
| |
| void refreshName() { |
| if (BluetoothUtils.D) { |
| Log.d(TAG, "Device name: " + getName()); |
| } |
| dispatchAttributesChanged(); |
| } |
| |
| /** |
| * Checks if device has a human readable name besides MAC address |
| * @return true if device's alias name is not null nor empty, false otherwise |
| */ |
| public boolean hasHumanReadableName() { |
| return !TextUtils.isEmpty(mDevice.getAliasName()); |
| } |
| |
| /** |
| * Get battery level from remote device |
| * @return battery level in percentage [0-100], or {@link BluetoothDevice#BATTERY_LEVEL_UNKNOWN} |
| */ |
| public int getBatteryLevel() { |
| return mDevice.getBatteryLevel(); |
| } |
| |
| void refresh() { |
| dispatchAttributesChanged(); |
| } |
| |
| public void setJustDiscovered(boolean justDiscovered) { |
| if (mJustDiscovered != justDiscovered) { |
| mJustDiscovered = justDiscovered; |
| dispatchAttributesChanged(); |
| } |
| } |
| |
| public int getBondState() { |
| return mDevice.getBondState(); |
| } |
| |
| /** |
| * Update the device status as active or non-active per Bluetooth profile. |
| * |
| * @param isActive true if the device is active |
| * @param bluetoothProfile the Bluetooth profile |
| */ |
| public void onActiveDeviceChanged(boolean isActive, int bluetoothProfile) { |
| boolean changed = false; |
| switch (bluetoothProfile) { |
| case BluetoothProfile.A2DP: |
| changed = (mIsActiveDeviceA2dp != isActive); |
| mIsActiveDeviceA2dp = isActive; |
| break; |
| case BluetoothProfile.HEADSET: |
| changed = (mIsActiveDeviceHeadset != isActive); |
| mIsActiveDeviceHeadset = isActive; |
| break; |
| case BluetoothProfile.HEARING_AID: |
| changed = (mIsActiveDeviceHearingAid != isActive); |
| mIsActiveDeviceHearingAid = isActive; |
| break; |
| default: |
| Log.w(TAG, "onActiveDeviceChanged: unknown profile " + bluetoothProfile + |
| " isActive " + isActive); |
| break; |
| } |
| if (changed) { |
| dispatchAttributesChanged(); |
| } |
| } |
| |
| /** |
| * Update the profile audio state. |
| */ |
| void onAudioModeChanged() { |
| dispatchAttributesChanged(); |
| } |
| /** |
| * Get the device status as active or non-active per Bluetooth profile. |
| * |
| * @param bluetoothProfile the Bluetooth profile |
| * @return true if the device is active |
| */ |
| @VisibleForTesting(otherwise = VisibleForTesting.PACKAGE_PRIVATE) |
| public boolean isActiveDevice(int bluetoothProfile) { |
| switch (bluetoothProfile) { |
| case BluetoothProfile.A2DP: |
| return mIsActiveDeviceA2dp; |
| case BluetoothProfile.HEADSET: |
| return mIsActiveDeviceHeadset; |
| case BluetoothProfile.HEARING_AID: |
| return mIsActiveDeviceHearingAid; |
| default: |
| Log.w(TAG, "getActiveDevice: unknown profile " + bluetoothProfile); |
| break; |
| } |
| return false; |
| } |
| |
| void setRssi(short rssi) { |
| if (mRssi != rssi) { |
| mRssi = rssi; |
| dispatchAttributesChanged(); |
| } |
| } |
| |
| /** |
| * Checks whether we are connected to this device (any profile counts). |
| * |
| * @return Whether it is connected. |
| */ |
| public boolean isConnected() { |
| synchronized (mProfileLock) { |
| for (LocalBluetoothProfile profile : mProfiles) { |
| int status = getProfileConnectionState(profile); |
| if (status == BluetoothProfile.STATE_CONNECTED) { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| } |
| |
| public boolean isConnectedProfile(LocalBluetoothProfile profile) { |
| int status = getProfileConnectionState(profile); |
| return status == BluetoothProfile.STATE_CONNECTED; |
| |
| } |
| |
| public boolean isBusy() { |
| synchronized (mProfileLock) { |
| for (LocalBluetoothProfile profile : mProfiles) { |
| int status = getProfileConnectionState(profile); |
| if (status == BluetoothProfile.STATE_CONNECTING |
| || status == BluetoothProfile.STATE_DISCONNECTING) { |
| return true; |
| } |
| } |
| return getBondState() == BluetoothDevice.BOND_BONDING; |
| } |
| } |
| |
| private boolean updateProfiles() { |
| ParcelUuid[] uuids = mDevice.getUuids(); |
| if (uuids == null) return false; |
| |
| ParcelUuid[] localUuids = mLocalAdapter.getUuids(); |
| if (localUuids == null) return false; |
| |
| /* |
| * Now we know if the device supports PBAP, update permissions... |
| */ |
| processPhonebookAccess(); |
| |
| synchronized (mProfileLock) { |
| mProfileManager.updateProfiles(uuids, localUuids, mProfiles, mRemovedProfiles, |
| mLocalNapRoleConnected, mDevice); |
| } |
| |
| if (BluetoothUtils.D) { |
| Log.e(TAG, "updating profiles for " + mDevice.getAliasName() + ", " + mDevice); |
| BluetoothClass bluetoothClass = mDevice.getBluetoothClass(); |
| |
| if (bluetoothClass != null) Log.v(TAG, "Class: " + bluetoothClass.toString()); |
| Log.v(TAG, "UUID:"); |
| for (ParcelUuid uuid : uuids) { |
| Log.v(TAG, " " + uuid); |
| } |
| } |
| return true; |
| } |
| |
| private void fetchActiveDevices() { |
| A2dpProfile a2dpProfile = mProfileManager.getA2dpProfile(); |
| if (a2dpProfile != null) { |
| mIsActiveDeviceA2dp = mDevice.equals(a2dpProfile.getActiveDevice()); |
| } |
| HeadsetProfile headsetProfile = mProfileManager.getHeadsetProfile(); |
| if (headsetProfile != null) { |
| mIsActiveDeviceHeadset = mDevice.equals(headsetProfile.getActiveDevice()); |
| } |
| HearingAidProfile hearingAidProfile = mProfileManager.getHearingAidProfile(); |
| if (hearingAidProfile != null) { |
| mIsActiveDeviceHearingAid = hearingAidProfile.getActiveDevices().contains(mDevice); |
| } |
| } |
| |
| /** |
| * Refreshes the UI when framework alerts us of a UUID change. |
| */ |
| void onUuidChanged() { |
| updateProfiles(); |
| ParcelUuid[] uuids = mDevice.getUuids(); |
| |
| long timeout = MAX_UUID_DELAY_FOR_AUTO_CONNECT; |
| if (BluetoothUuid.isUuidPresent(uuids, BluetoothUuid.Hogp)) { |
| timeout = MAX_HOGP_DELAY_FOR_AUTO_CONNECT; |
| } else if (BluetoothUuid.isUuidPresent(uuids, BluetoothUuid.HearingAid)) { |
| timeout = MAX_HEARING_AIDS_DELAY_FOR_AUTO_CONNECT; |
| } |
| |
| if (BluetoothUtils.D) { |
| Log.d(TAG, "onUuidChanged: Time since last connect=" |
| + (SystemClock.elapsedRealtime() - mConnectAttempted)); |
| } |
| |
| /* |
| * If a connect was attempted earlier without any UUID, we will do the connect now. |
| * Otherwise, allow the connect on UUID change. |
| */ |
| if (!mProfiles.isEmpty() |
| && ((mConnectAttempted + timeout) > SystemClock.elapsedRealtime())) { |
| connectWithoutResettingTimer(false); |
| } |
| |
| dispatchAttributesChanged(); |
| } |
| |
| void onBondingStateChanged(int bondState) { |
| if (bondState == BluetoothDevice.BOND_NONE) { |
| synchronized (mProfileLock) { |
| mProfiles.clear(); |
| } |
| mDevice.setPhonebookAccessPermission(BluetoothDevice.ACCESS_UNKNOWN); |
| mDevice.setMessageAccessPermission(BluetoothDevice.ACCESS_UNKNOWN); |
| mDevice.setSimAccessPermission(BluetoothDevice.ACCESS_UNKNOWN); |
| } |
| |
| refresh(); |
| |
| if (bondState == BluetoothDevice.BOND_BONDED) { |
| if (mDevice.isBluetoothDock()) { |
| onBondingDockConnect(); |
| } else if (mDevice.isBondingInitiatedLocally()) { |
| connect(false); |
| } |
| } |
| } |
| |
| public BluetoothClass getBtClass() { |
| return mDevice.getBluetoothClass(); |
| } |
| |
| public List<LocalBluetoothProfile> getProfiles() { |
| return Collections.unmodifiableList(mProfiles); |
| } |
| |
| public List<LocalBluetoothProfile> getConnectableProfiles() { |
| List<LocalBluetoothProfile> connectableProfiles = |
| new ArrayList<LocalBluetoothProfile>(); |
| synchronized (mProfileLock) { |
| for (LocalBluetoothProfile profile : mProfiles) { |
| if (profile.accessProfileEnabled()) { |
| connectableProfiles.add(profile); |
| } |
| } |
| } |
| return connectableProfiles; |
| } |
| |
| public List<LocalBluetoothProfile> getRemovedProfiles() { |
| return mRemovedProfiles; |
| } |
| |
| public void registerCallback(Callback callback) { |
| synchronized (mCallbacks) { |
| mCallbacks.add(callback); |
| } |
| } |
| |
| public void unregisterCallback(Callback callback) { |
| synchronized (mCallbacks) { |
| mCallbacks.remove(callback); |
| } |
| } |
| |
| void dispatchAttributesChanged() { |
| synchronized (mCallbacks) { |
| for (Callback callback : mCallbacks) { |
| callback.onDeviceAttributesChanged(); |
| } |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return mDevice.toString(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if ((o == null) || !(o instanceof CachedBluetoothDevice)) { |
| return false; |
| } |
| return mDevice.equals(((CachedBluetoothDevice) o).mDevice); |
| } |
| |
| @Override |
| public int hashCode() { |
| return mDevice.getAddress().hashCode(); |
| } |
| |
| // This comparison uses non-final fields so the sort order may change |
| // when device attributes change (such as bonding state). Settings |
| // will completely refresh the device list when this happens. |
| public int compareTo(CachedBluetoothDevice another) { |
| // Connected above not connected |
| int comparison = (another.isConnected() ? 1 : 0) - (isConnected() ? 1 : 0); |
| if (comparison != 0) return comparison; |
| |
| // Paired above not paired |
| comparison = (another.getBondState() == BluetoothDevice.BOND_BONDED ? 1 : 0) - |
| (getBondState() == BluetoothDevice.BOND_BONDED ? 1 : 0); |
| if (comparison != 0) return comparison; |
| |
| // Just discovered above discovered in the past |
| comparison = (another.mJustDiscovered ? 1 : 0) - (mJustDiscovered ? 1 : 0); |
| if (comparison != 0) return comparison; |
| |
| // Stronger signal above weaker signal |
| comparison = another.mRssi - mRssi; |
| if (comparison != 0) return comparison; |
| |
| // Fallback on name |
| return getName().compareTo(another.getName()); |
| } |
| |
| public interface Callback { |
| void onDeviceAttributesChanged(); |
| } |
| |
| // Migrates data from old data store (in Settings app's shared preferences) to new (in Bluetooth |
| // app's shared preferences). |
| private void migratePhonebookPermissionChoice() { |
| SharedPreferences preferences = mContext.getSharedPreferences( |
| "bluetooth_phonebook_permission", Context.MODE_PRIVATE); |
| if (!preferences.contains(mDevice.getAddress())) { |
| return; |
| } |
| |
| if (mDevice.getPhonebookAccessPermission() == BluetoothDevice.ACCESS_UNKNOWN) { |
| int oldPermission = |
| preferences.getInt(mDevice.getAddress(), BluetoothDevice.ACCESS_UNKNOWN); |
| if (oldPermission == BluetoothDevice.ACCESS_ALLOWED) { |
| mDevice.setPhonebookAccessPermission(BluetoothDevice.ACCESS_ALLOWED); |
| } else if (oldPermission == BluetoothDevice.ACCESS_REJECTED) { |
| mDevice.setPhonebookAccessPermission(BluetoothDevice.ACCESS_REJECTED); |
| } |
| } |
| |
| SharedPreferences.Editor editor = preferences.edit(); |
| editor.remove(mDevice.getAddress()); |
| editor.commit(); |
| } |
| |
| // Migrates data from old data store (in Settings app's shared preferences) to new (in Bluetooth |
| // app's shared preferences). |
| private void migrateMessagePermissionChoice() { |
| SharedPreferences preferences = mContext.getSharedPreferences( |
| "bluetooth_message_permission", Context.MODE_PRIVATE); |
| if (!preferences.contains(mDevice.getAddress())) { |
| return; |
| } |
| |
| if (mDevice.getMessageAccessPermission() == BluetoothDevice.ACCESS_UNKNOWN) { |
| int oldPermission = |
| preferences.getInt(mDevice.getAddress(), BluetoothDevice.ACCESS_UNKNOWN); |
| if (oldPermission == BluetoothDevice.ACCESS_ALLOWED) { |
| mDevice.setMessageAccessPermission(BluetoothDevice.ACCESS_ALLOWED); |
| } else if (oldPermission == BluetoothDevice.ACCESS_REJECTED) { |
| mDevice.setMessageAccessPermission(BluetoothDevice.ACCESS_REJECTED); |
| } |
| } |
| |
| SharedPreferences.Editor editor = preferences.edit(); |
| editor.remove(mDevice.getAddress()); |
| editor.commit(); |
| } |
| |
| private void processPhonebookAccess() { |
| if (mDevice.getBondState() != BluetoothDevice.BOND_BONDED) return; |
| |
| ParcelUuid[] uuids = mDevice.getUuids(); |
| if (BluetoothUuid.containsAnyUuid(uuids, PbapServerProfile.PBAB_CLIENT_UUIDS)) { |
| // The pairing dialog now warns of phone-book access for paired devices. |
| // No separate prompt is displayed after pairing. |
| if (mDevice.getPhonebookAccessPermission() == BluetoothDevice.ACCESS_UNKNOWN) { |
| if (mDevice.getBluetoothClass().getDeviceClass() |
| == BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE || |
| mDevice.getBluetoothClass().getDeviceClass() |
| == BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET) { |
| mDevice.setPhonebookAccessPermission(BluetoothDevice.ACCESS_ALLOWED); |
| } else { |
| mDevice.setPhonebookAccessPermission(BluetoothDevice.ACCESS_REJECTED); |
| } |
| } |
| } |
| } |
| |
| public int getMaxConnectionState() { |
| int maxState = BluetoothProfile.STATE_DISCONNECTED; |
| synchronized (mProfileLock) { |
| for (LocalBluetoothProfile profile : getProfiles()) { |
| int connectionStatus = getProfileConnectionState(profile); |
| if (connectionStatus > maxState) { |
| maxState = connectionStatus; |
| } |
| } |
| } |
| return maxState; |
| } |
| |
| /** |
| * Return full summary that describes connection state of this device |
| * |
| * @see #getConnectionSummary(boolean shortSummary) |
| */ |
| public String getConnectionSummary() { |
| return getConnectionSummary(false /* shortSummary */); |
| } |
| |
| /** |
| * Return summary that describes connection state of this device. Summary depends on: |
| * 1. Whether device has battery info |
| * 2. Whether device is in active usage(or in phone call) |
| * |
| * @param shortSummary {@code true} if need to return short version summary |
| */ |
| public String getConnectionSummary(boolean shortSummary) { |
| boolean profileConnected = false; // Updated as long as BluetoothProfile is connected |
| boolean a2dpConnected = true; // A2DP is connected |
| boolean hfpConnected = true; // HFP is connected |
| boolean hearingAidConnected = true; // Hearing Aid is connected |
| int leftBattery = -1; |
| int rightBattery = -1; |
| |
| synchronized (mProfileLock) { |
| for (LocalBluetoothProfile profile : getProfiles()) { |
| int connectionStatus = getProfileConnectionState(profile); |
| |
| switch (connectionStatus) { |
| case BluetoothProfile.STATE_CONNECTING: |
| case BluetoothProfile.STATE_DISCONNECTING: |
| return mContext.getString( |
| BluetoothUtils.getConnectionStateSummary(connectionStatus)); |
| |
| case BluetoothProfile.STATE_CONNECTED: |
| profileConnected = true; |
| break; |
| |
| case BluetoothProfile.STATE_DISCONNECTED: |
| if (profile.isProfileReady()) { |
| if (profile instanceof A2dpProfile |
| || profile instanceof A2dpSinkProfile) { |
| a2dpConnected = false; |
| } else if (profile instanceof HeadsetProfile |
| || profile instanceof HfpClientProfile) { |
| hfpConnected = false; |
| } else if (profile instanceof HearingAidProfile) { |
| hearingAidConnected = false; |
| } |
| } |
| break; |
| } |
| } |
| } |
| |
| String batteryLevelPercentageString = null; |
| // Android framework should only set mBatteryLevel to valid range [0-100] or |
| // BluetoothDevice.BATTERY_LEVEL_UNKNOWN, any other value should be a framework bug. |
| // Thus assume here that if value is not BluetoothDevice.BATTERY_LEVEL_UNKNOWN, it must |
| // be valid |
| final int batteryLevel = getBatteryLevel(); |
| if (batteryLevel != BluetoothDevice.BATTERY_LEVEL_UNKNOWN) { |
| // TODO: name com.android.settingslib.bluetooth.Utils something different |
| batteryLevelPercentageString = |
| com.android.settingslib.Utils.formatPercentage(batteryLevel); |
| } |
| |
| int stringRes = R.string.bluetooth_pairing; |
| //when profile is connected, information would be available |
| if (profileConnected) { |
| // Update Meta data for connected device |
| if (BluetoothUtils.getBooleanMetaData( |
| mDevice, BluetoothDevice.METADATA_IS_UNTETHERED_HEADSET)) { |
| leftBattery = BluetoothUtils.getIntMetaData(mDevice, |
| BluetoothDevice.METADATA_UNTETHERED_LEFT_BATTERY); |
| rightBattery = BluetoothUtils.getIntMetaData(mDevice, |
| BluetoothDevice.METADATA_UNTETHERED_RIGHT_BATTERY); |
| } |
| |
| // Set default string with battery level in device connected situation. |
| if (isTwsBatteryAvailable(leftBattery, rightBattery)) { |
| stringRes = R.string.bluetooth_battery_level_untethered; |
| } else if (batteryLevelPercentageString != null) { |
| stringRes = R.string.bluetooth_battery_level; |
| } |
| |
| // Set active string in following device connected situation. |
| // 1. Hearing Aid device active. |
| // 2. Headset device active with in-calling state. |
| // 3. A2DP device active without in-calling state. |
| if (a2dpConnected || hfpConnected || hearingAidConnected) { |
| final boolean isOnCall = Utils.isAudioModeOngoingCall(mContext); |
| if ((mIsActiveDeviceHearingAid) |
| || (mIsActiveDeviceHeadset && isOnCall) |
| || (mIsActiveDeviceA2dp && !isOnCall)) { |
| if (isTwsBatteryAvailable(leftBattery, rightBattery) && !shortSummary) { |
| stringRes = R.string.bluetooth_active_battery_level_untethered; |
| } else if (batteryLevelPercentageString != null && !shortSummary) { |
| stringRes = R.string.bluetooth_active_battery_level; |
| } else { |
| stringRes = R.string.bluetooth_active_no_battery_level; |
| } |
| } |
| } |
| } |
| |
| if (stringRes != R.string.bluetooth_pairing |
| || getBondState() == BluetoothDevice.BOND_BONDING) { |
| if (isTwsBatteryAvailable(leftBattery, rightBattery)) { |
| return mContext.getString(stringRes, Utils.formatPercentage(leftBattery), |
| Utils.formatPercentage(rightBattery)); |
| } else { |
| return mContext.getString(stringRes, batteryLevelPercentageString); |
| } |
| } else { |
| return null; |
| } |
| } |
| |
| private boolean isTwsBatteryAvailable(int leftBattery, int rightBattery) { |
| return leftBattery >= 0 && rightBattery >= 0; |
| } |
| |
| /** |
| * @return resource for android auto string that describes the connection state of this device. |
| */ |
| public String getCarConnectionSummary() { |
| boolean profileConnected = false; // at least one profile is connected |
| boolean a2dpNotConnected = false; // A2DP is preferred but not connected |
| boolean hfpNotConnected = false; // HFP is preferred but not connected |
| boolean hearingAidNotConnected = false; // Hearing Aid is preferred but not connected |
| |
| synchronized (mProfileLock) { |
| for (LocalBluetoothProfile profile : getProfiles()) { |
| int connectionStatus = getProfileConnectionState(profile); |
| |
| switch (connectionStatus) { |
| case BluetoothProfile.STATE_CONNECTING: |
| case BluetoothProfile.STATE_DISCONNECTING: |
| return mContext.getString( |
| BluetoothUtils.getConnectionStateSummary(connectionStatus)); |
| |
| case BluetoothProfile.STATE_CONNECTED: |
| profileConnected = true; |
| break; |
| |
| case BluetoothProfile.STATE_DISCONNECTED: |
| if (profile.isProfileReady()) { |
| if (profile instanceof A2dpProfile |
| || profile instanceof A2dpSinkProfile) { |
| a2dpNotConnected = true; |
| } else if (profile instanceof HeadsetProfile |
| || profile instanceof HfpClientProfile) { |
| hfpNotConnected = true; |
| } else if (profile instanceof HearingAidProfile) { |
| hearingAidNotConnected = true; |
| } |
| } |
| break; |
| } |
| } |
| } |
| |
| String batteryLevelPercentageString = null; |
| // Android framework should only set mBatteryLevel to valid range [0-100] or |
| // BluetoothDevice.BATTERY_LEVEL_UNKNOWN, any other value should be a framework bug. |
| // Thus assume here that if value is not BluetoothDevice.BATTERY_LEVEL_UNKNOWN, it must |
| // be valid |
| final int batteryLevel = getBatteryLevel(); |
| if (batteryLevel != BluetoothDevice.BATTERY_LEVEL_UNKNOWN) { |
| // TODO: name com.android.settingslib.bluetooth.Utils something different |
| batteryLevelPercentageString = |
| com.android.settingslib.Utils.formatPercentage(batteryLevel); |
| } |
| |
| // Prepare the string for the Active Device summary |
| String[] activeDeviceStringsArray = mContext.getResources().getStringArray( |
| R.array.bluetooth_audio_active_device_summaries); |
| String activeDeviceString = activeDeviceStringsArray[0]; // Default value: not active |
| if (mIsActiveDeviceA2dp && mIsActiveDeviceHeadset) { |
| activeDeviceString = activeDeviceStringsArray[1]; // Active for Media and Phone |
| } else { |
| if (mIsActiveDeviceA2dp) { |
| activeDeviceString = activeDeviceStringsArray[2]; // Active for Media only |
| } |
| if (mIsActiveDeviceHeadset) { |
| activeDeviceString = activeDeviceStringsArray[3]; // Active for Phone only |
| } |
| } |
| if (!hearingAidNotConnected && mIsActiveDeviceHearingAid) { |
| activeDeviceString = activeDeviceStringsArray[1]; |
| return mContext.getString(R.string.bluetooth_connected, activeDeviceString); |
| } |
| |
| if (profileConnected) { |
| if (a2dpNotConnected && hfpNotConnected) { |
| if (batteryLevelPercentageString != null) { |
| return mContext.getString( |
| R.string.bluetooth_connected_no_headset_no_a2dp_battery_level, |
| batteryLevelPercentageString, activeDeviceString); |
| } else { |
| return mContext.getString(R.string.bluetooth_connected_no_headset_no_a2dp, |
| activeDeviceString); |
| } |
| |
| } else if (a2dpNotConnected) { |
| if (batteryLevelPercentageString != null) { |
| return mContext.getString(R.string.bluetooth_connected_no_a2dp_battery_level, |
| batteryLevelPercentageString, activeDeviceString); |
| } else { |
| return mContext.getString(R.string.bluetooth_connected_no_a2dp, |
| activeDeviceString); |
| } |
| |
| } else if (hfpNotConnected) { |
| if (batteryLevelPercentageString != null) { |
| return mContext.getString(R.string.bluetooth_connected_no_headset_battery_level, |
| batteryLevelPercentageString, activeDeviceString); |
| } else { |
| return mContext.getString(R.string.bluetooth_connected_no_headset, |
| activeDeviceString); |
| } |
| } else { |
| if (batteryLevelPercentageString != null) { |
| return mContext.getString(R.string.bluetooth_connected_battery_level, |
| batteryLevelPercentageString, activeDeviceString); |
| } else { |
| return mContext.getString(R.string.bluetooth_connected, activeDeviceString); |
| } |
| } |
| } |
| |
| return getBondState() == BluetoothDevice.BOND_BONDING ? |
| mContext.getString(R.string.bluetooth_pairing) : null; |
| } |
| |
| /** |
| * @return {@code true} if {@code cachedBluetoothDevice} is a2dp device |
| */ |
| public boolean isConnectedA2dpDevice() { |
| A2dpProfile a2dpProfile = mProfileManager.getA2dpProfile(); |
| return a2dpProfile != null && a2dpProfile.getConnectionStatus(mDevice) == |
| BluetoothProfile.STATE_CONNECTED; |
| } |
| |
| /** |
| * @return {@code true} if {@code cachedBluetoothDevice} is HFP device |
| */ |
| public boolean isConnectedHfpDevice() { |
| HeadsetProfile headsetProfile = mProfileManager.getHeadsetProfile(); |
| return headsetProfile != null && headsetProfile.getConnectionStatus(mDevice) == |
| BluetoothProfile.STATE_CONNECTED; |
| } |
| |
| /** |
| * @return {@code true} if {@code cachedBluetoothDevice} is Hearing Aid device |
| */ |
| public boolean isConnectedHearingAidDevice() { |
| HearingAidProfile hearingAidProfile = mProfileManager.getHearingAidProfile(); |
| return hearingAidProfile != null && hearingAidProfile.getConnectionStatus(mDevice) == |
| BluetoothProfile.STATE_CONNECTED; |
| } |
| |
| public CachedBluetoothDevice getSubDevice() { |
| return mSubDevice; |
| } |
| |
| public void setSubDevice(CachedBluetoothDevice subDevice) { |
| mSubDevice = subDevice; |
| } |
| |
| public void switchSubDeviceContent() { |
| // Backup from main device |
| BluetoothDevice tmpDevice = mDevice; |
| short tmpRssi = mRssi; |
| boolean tmpJustDiscovered = mJustDiscovered; |
| // Set main device from sub device |
| mDevice = mSubDevice.mDevice; |
| mRssi = mSubDevice.mRssi; |
| mJustDiscovered = mSubDevice.mJustDiscovered; |
| // Set sub device from backup |
| mSubDevice.mDevice = tmpDevice; |
| mSubDevice.mRssi = tmpRssi; |
| mSubDevice.mJustDiscovered = tmpJustDiscovered; |
| fetchActiveDevices(); |
| } |
| } |
