| /* |
| * 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.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.media.AudioManager; |
| import android.os.ParcelUuid; |
| import android.os.SystemClock; |
| import android.text.TextUtils; |
| import android.util.Log; |
| import android.bluetooth.BluetoothAdapter; |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.settingslib.R; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| 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"; |
| private static final boolean DEBUG = Utils.V; |
| |
| private final Context mContext; |
| private final LocalBluetoothAdapter mLocalAdapter; |
| private final LocalBluetoothProfileManager mProfileManager; |
| private final AudioManager mAudioManager; |
| private final BluetoothDevice mDevice; |
| //TODO: consider remove, BluetoothDevice.getName() is already cached |
| private String mName; |
| private long mHiSyncId; |
| // Need this since there is no method for getting RSSI |
| private short mRssi; |
| //TODO: consider remove, BluetoothDevice.getBluetoothClass() is already cached |
| private BluetoothClass mBtClass; |
| private HashMap<LocalBluetoothProfile, Integer> mProfileConnectionState; |
| |
| private final List<LocalBluetoothProfile> mProfiles = |
| new ArrayList<LocalBluetoothProfile>(); |
| |
| // List of profiles that were previously in mProfiles, but have been removed |
| private final List<LocalBluetoothProfile> mRemovedProfiles = |
| new ArrayList<LocalBluetoothProfile>(); |
| |
| // Device supports PANU but not NAP: remove PanProfile after device disconnects from NAP |
| private boolean mLocalNapRoleConnected; |
| |
| private boolean mJustDiscovered; |
| |
| private int mMessageRejectionCount; |
| |
| private final Collection<Callback> mCallbacks = new ArrayList<Callback>(); |
| |
| // Following constants indicate the user's choices of Phone book/message access settings |
| // User hasn't made any choice or settings app has wiped out the memory |
| public final static int ACCESS_UNKNOWN = 0; |
| // User has accepted the connection and let Settings app remember the decision |
| public final static int ACCESS_ALLOWED = 1; |
| // User has rejected the connection and let Settings app remember the decision |
| public final static int ACCESS_REJECTED = 2; |
| |
| // How many times user should reject the connection to make the choice persist. |
| private final static int MESSAGE_REJECTION_COUNT_LIMIT_TO_PERSIST = 2; |
| |
| private final static String MESSAGE_REJECTION_COUNT_PREFS_NAME = "bluetooth_message_reject"; |
| |
| /** |
| * When we connect to multiple profiles, we only want to display a single |
| * error even if they all fail. This tracks that state. |
| */ |
| private boolean mIsConnectingErrorPossible; |
| |
| public long getHiSyncId() { |
| return mHiSyncId; |
| } |
| |
| public void setHiSyncId(long id) { |
| if (Utils.D) { |
| Log.d(TAG, "setHiSyncId: mDevice " + mDevice + ", id " + id); |
| } |
| mHiSyncId = id; |
| } |
| |
| public boolean isHearingAidDevice() { |
| return mHiSyncId != BluetoothHearingAid.HI_SYNC_ID_INVALID; |
| } |
| |
| /** |
| * 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; |
| |
| // See mConnectAttempted |
| private static final long MAX_UUID_DELAY_FOR_AUTO_CONNECT = 5000; |
| private static final long MAX_HOGP_DELAY_FOR_AUTO_CONNECT = 30000; |
| |
| // Active device state |
| private boolean mIsActiveDeviceA2dp = false; |
| private boolean mIsActiveDeviceHeadset = false; |
| private boolean mIsActiveDeviceHearingAid = false; |
| /** |
| * 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 (Utils.D) { |
| Log.d(TAG, "onProfileStateChanged: profile " + profile + ", device=" + mDevice |
| + ", newProfileState " + newProfileState); |
| } |
| if (mLocalAdapter.getBluetoothState() == BluetoothAdapter.STATE_TURNING_OFF) |
| { |
| if (Utils.D) Log.d(TAG, " BT Turninig Off...Profile conn state change ignored..."); |
| return; |
| } |
| mProfileConnectionState.put(profile, newProfileState); |
| 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(); |
| } |
| |
| CachedBluetoothDevice(Context context, |
| LocalBluetoothAdapter adapter, |
| LocalBluetoothProfileManager profileManager, |
| BluetoothDevice device) { |
| mContext = context; |
| mLocalAdapter = adapter; |
| mProfileManager = profileManager; |
| mAudioManager = context.getSystemService(AudioManager.class); |
| mDevice = device; |
| mProfileConnectionState = new HashMap<LocalBluetoothProfile, Integer>(); |
| fillData(); |
| mHiSyncId = BluetoothHearingAid.HI_SYNC_ID_INVALID; |
| } |
| |
| public void disconnect() { |
| 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.getConnectionStatus(mDevice) == BluetoothProfile.STATE_CONNECTED) |
| { |
| PbapProfile.disconnect(mDevice); |
| } |
| } |
| |
| public void disconnect(LocalBluetoothProfile profile) { |
| if (profile.disconnect(mDevice)) { |
| if (Utils.D) { |
| Log.d(TAG, "Command sent successfully:DISCONNECT " + describe(profile)); |
| } |
| } |
| } |
| |
| public void connect(boolean connectAllProfiles) { |
| if (!ensurePaired()) { |
| return; |
| } |
| |
| mConnectAttempted = SystemClock.elapsedRealtime(); |
| connectWithoutResettingTimer(connectAllProfiles); |
| } |
| |
| 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) { |
| // 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"); |
| return; |
| } |
| |
| // Reset the only-show-one-error-dialog tracking variable |
| mIsConnectingErrorPossible = true; |
| |
| int preferredProfiles = 0; |
| for (LocalBluetoothProfile profile : mProfiles) { |
| if (connectAllProfiles ? profile.accessProfileEnabled() : profile.isAutoConnectable()) { |
| if (profile.isPreferred(mDevice)) { |
| ++preferredProfiles; |
| connectInt(profile); |
| } |
| } |
| } |
| if (DEBUG) Log.d(TAG, "Preferred profiles = " + preferredProfiles); |
| |
| if (preferredProfiles == 0) { |
| connectAutoConnectableProfiles(); |
| } |
| } |
| |
| private void connectAutoConnectableProfiles() { |
| if (!ensurePaired()) { |
| return; |
| } |
| // Reset the only-show-one-error-dialog tracking variable |
| mIsConnectingErrorPossible = true; |
| |
| 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(); |
| // Reset the only-show-one-error-dialog tracking variable |
| mIsConnectingErrorPossible = true; |
| connectInt(profile); |
| // Refresh the UI based on profile.connect() call |
| refresh(); |
| } |
| |
| synchronized void connectInt(LocalBluetoothProfile profile) { |
| if (!ensurePaired()) { |
| return; |
| } |
| if (profile.connect(mDevice)) { |
| if (Utils.D) { |
| Log.d(TAG, "Command sent successfully:CONNECT " + describe(profile)); |
| } |
| return; |
| } |
| Log.i(TAG, "Failed to connect " + profile.toString() + " to " + mName); |
| } |
| |
| 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; |
| } |
| |
| /** |
| * Return true if user initiated pairing on this device. The message text is |
| * slightly different for local vs. remote initiated pairing dialogs. |
| */ |
| boolean isUserInitiatedPairing() { |
| return mDevice.isBondingInitiatedLocally(); |
| } |
| |
| 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 (Utils.D) { |
| Log.d(TAG, "Command sent successfully:REMOVE_BOND " + describe(null)); |
| } |
| } else if (Utils.V) { |
| Log.v(TAG, "Framework rejected command immediately:REMOVE_BOND " + |
| describe(null)); |
| } |
| } |
| } |
| } |
| |
| public int getProfileConnectionState(LocalBluetoothProfile profile) { |
| if (mProfileConnectionState.get(profile) == null) { |
| // If cache is empty make the binder call to get the state |
| int state = profile.getConnectionStatus(mDevice); |
| mProfileConnectionState.put(profile, state); |
| } |
| return mProfileConnectionState.get(profile); |
| } |
| |
| public void clearProfileConnectionState () |
| { |
| if (Utils.D) { |
| Log.d(TAG," Clearing all connection state for dev:" + mDevice.getName()); |
| } |
| for (LocalBluetoothProfile profile :getProfiles()) { |
| mProfileConnectionState.put(profile, BluetoothProfile.STATE_DISCONNECTED); |
| } |
| } |
| |
| // TODO: do any of these need to run async on a background thread? |
| private void fillData() { |
| fetchName(); |
| fetchBtClass(); |
| updateProfiles(); |
| fetchActiveDevices(); |
| migratePhonebookPermissionChoice(); |
| migrateMessagePermissionChoice(); |
| fetchMessageRejectionCount(); |
| |
| 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(); |
| } |
| |
| public String getName() { |
| return mName; |
| } |
| |
| /** |
| * Populate name from BluetoothDevice.ACTION_FOUND intent |
| */ |
| void setNewName(String name) { |
| if (mName == null) { |
| mName = name; |
| if (mName == null || TextUtils.isEmpty(mName)) { |
| mName = mDevice.getAddress(); |
| } |
| dispatchAttributesChanged(); |
| } |
| } |
| |
| /** |
| * User changes the device name |
| * @param name new alias name to be set, should never be null |
| */ |
| public void setName(String name) { |
| // Prevent mName to be set to null if setName(null) is called |
| if (name != null && !TextUtils.equals(name, mName)) { |
| mName = name; |
| 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() { |
| fetchName(); |
| dispatchAttributesChanged(); |
| } |
| |
| private void fetchName() { |
| mName = mDevice.getAliasName(); |
| |
| if (TextUtils.isEmpty(mName)) { |
| mName = mDevice.getAddress(); |
| if (DEBUG) Log.d(TAG, "Device has no name (yet), use address: " + mName); |
| } |
| } |
| |
| /** |
| * 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() { |
| 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() { |
| for (LocalBluetoothProfile profile : mProfiles) { |
| int status = getProfileConnectionState(profile); |
| if (status == BluetoothProfile.STATE_CONNECTING |
| || status == BluetoothProfile.STATE_DISCONNECTING) { |
| return true; |
| } |
| } |
| return getBondState() == BluetoothDevice.BOND_BONDING; |
| } |
| |
| /** |
| * Fetches a new value for the cached BT class. |
| */ |
| private void fetchBtClass() { |
| mBtClass = mDevice.getBluetoothClass(); |
| } |
| |
| 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(); |
| |
| mProfileManager.updateProfiles(uuids, localUuids, mProfiles, mRemovedProfiles, |
| mLocalNapRoleConnected, mDevice); |
| |
| if (DEBUG) { |
| Log.e(TAG, "updating profiles for " + mDevice.getAliasName()); |
| 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 for the BT class, including fetching the latest value |
| * for the class. |
| */ |
| void refreshBtClass() { |
| fetchBtClass(); |
| dispatchAttributesChanged(); |
| } |
| |
| /** |
| * 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; |
| } |
| |
| if (DEBUG) { |
| 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) { |
| mProfiles.clear(); |
| setPhonebookPermissionChoice(ACCESS_UNKNOWN); |
| setMessagePermissionChoice(ACCESS_UNKNOWN); |
| setSimPermissionChoice(ACCESS_UNKNOWN); |
| mMessageRejectionCount = 0; |
| saveMessageRejectionCount(); |
| } |
| |
| refresh(); |
| |
| if (bondState == BluetoothDevice.BOND_BONDED) { |
| if (mDevice.isBluetoothDock()) { |
| onBondingDockConnect(); |
| } else if (mDevice.isBondingInitiatedLocally()) { |
| connect(false); |
| } |
| } |
| } |
| |
| void setBtClass(BluetoothClass btClass) { |
| if (btClass != null && mBtClass != btClass) { |
| mBtClass = btClass; |
| dispatchAttributesChanged(); |
| } |
| } |
| |
| public BluetoothClass getBtClass() { |
| return mBtClass; |
| } |
| |
| public List<LocalBluetoothProfile> getProfiles() { |
| return Collections.unmodifiableList(mProfiles); |
| } |
| |
| public List<LocalBluetoothProfile> getConnectableProfiles() { |
| List<LocalBluetoothProfile> connectableProfiles = |
| new ArrayList<LocalBluetoothProfile>(); |
| 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); |
| } |
| } |
| |
| private 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 mName.compareTo(another.mName); |
| } |
| |
| public interface Callback { |
| void onDeviceAttributesChanged(); |
| } |
| |
| public int getPhonebookPermissionChoice() { |
| int permission = mDevice.getPhonebookAccessPermission(); |
| if (permission == BluetoothDevice.ACCESS_ALLOWED) { |
| return ACCESS_ALLOWED; |
| } else if (permission == BluetoothDevice.ACCESS_REJECTED) { |
| return ACCESS_REJECTED; |
| } |
| return ACCESS_UNKNOWN; |
| } |
| |
| public void setPhonebookPermissionChoice(int permissionChoice) { |
| int permission = BluetoothDevice.ACCESS_UNKNOWN; |
| if (permissionChoice == ACCESS_ALLOWED) { |
| permission = BluetoothDevice.ACCESS_ALLOWED; |
| } else if (permissionChoice == ACCESS_REJECTED) { |
| permission = BluetoothDevice.ACCESS_REJECTED; |
| } |
| mDevice.setPhonebookAccessPermission(permission); |
| } |
| |
| // 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(), ACCESS_UNKNOWN); |
| if (oldPermission == ACCESS_ALLOWED) { |
| mDevice.setPhonebookAccessPermission(BluetoothDevice.ACCESS_ALLOWED); |
| } else if (oldPermission == ACCESS_REJECTED) { |
| mDevice.setPhonebookAccessPermission(BluetoothDevice.ACCESS_REJECTED); |
| } |
| } |
| |
| SharedPreferences.Editor editor = preferences.edit(); |
| editor.remove(mDevice.getAddress()); |
| editor.commit(); |
| } |
| |
| public int getMessagePermissionChoice() { |
| int permission = mDevice.getMessageAccessPermission(); |
| if (permission == BluetoothDevice.ACCESS_ALLOWED) { |
| return ACCESS_ALLOWED; |
| } else if (permission == BluetoothDevice.ACCESS_REJECTED) { |
| return ACCESS_REJECTED; |
| } |
| return ACCESS_UNKNOWN; |
| } |
| |
| public void setMessagePermissionChoice(int permissionChoice) { |
| int permission = BluetoothDevice.ACCESS_UNKNOWN; |
| if (permissionChoice == ACCESS_ALLOWED) { |
| permission = BluetoothDevice.ACCESS_ALLOWED; |
| } else if (permissionChoice == ACCESS_REJECTED) { |
| permission = BluetoothDevice.ACCESS_REJECTED; |
| } |
| mDevice.setMessageAccessPermission(permission); |
| } |
| |
| public int getSimPermissionChoice() { |
| int permission = mDevice.getSimAccessPermission(); |
| if (permission == BluetoothDevice.ACCESS_ALLOWED) { |
| return ACCESS_ALLOWED; |
| } else if (permission == BluetoothDevice.ACCESS_REJECTED) { |
| return ACCESS_REJECTED; |
| } |
| return ACCESS_UNKNOWN; |
| } |
| |
| void setSimPermissionChoice(int permissionChoice) { |
| int permission = BluetoothDevice.ACCESS_UNKNOWN; |
| if (permissionChoice == ACCESS_ALLOWED) { |
| permission = BluetoothDevice.ACCESS_ALLOWED; |
| } else if (permissionChoice == ACCESS_REJECTED) { |
| permission = BluetoothDevice.ACCESS_REJECTED; |
| } |
| mDevice.setSimAccessPermission(permission); |
| } |
| |
| // 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(), ACCESS_UNKNOWN); |
| if (oldPermission == ACCESS_ALLOWED) { |
| mDevice.setMessageAccessPermission(BluetoothDevice.ACCESS_ALLOWED); |
| } else if (oldPermission == ACCESS_REJECTED) { |
| mDevice.setMessageAccessPermission(BluetoothDevice.ACCESS_REJECTED); |
| } |
| } |
| |
| SharedPreferences.Editor editor = preferences.edit(); |
| editor.remove(mDevice.getAddress()); |
| editor.commit(); |
| } |
| |
| /** |
| * @return Whether this rejection should persist. |
| */ |
| public boolean checkAndIncreaseMessageRejectionCount() { |
| if (mMessageRejectionCount < MESSAGE_REJECTION_COUNT_LIMIT_TO_PERSIST) { |
| mMessageRejectionCount++; |
| saveMessageRejectionCount(); |
| } |
| return mMessageRejectionCount >= MESSAGE_REJECTION_COUNT_LIMIT_TO_PERSIST; |
| } |
| |
| private void fetchMessageRejectionCount() { |
| SharedPreferences preference = mContext.getSharedPreferences( |
| MESSAGE_REJECTION_COUNT_PREFS_NAME, Context.MODE_PRIVATE); |
| mMessageRejectionCount = preference.getInt(mDevice.getAddress(), 0); |
| } |
| |
| private void saveMessageRejectionCount() { |
| SharedPreferences.Editor editor = mContext.getSharedPreferences( |
| MESSAGE_REJECTION_COUNT_PREFS_NAME, Context.MODE_PRIVATE).edit(); |
| if (mMessageRejectionCount == 0) { |
| editor.remove(mDevice.getAddress()); |
| } else { |
| editor.putInt(mDevice.getAddress(), mMessageRejectionCount); |
| } |
| 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 (getPhonebookPermissionChoice() == CachedBluetoothDevice.ACCESS_UNKNOWN) { |
| if (mDevice.getBluetoothClass().getDeviceClass() |
| == BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE || |
| mDevice.getBluetoothClass().getDeviceClass() |
| == BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET) { |
| setPhonebookPermissionChoice(CachedBluetoothDevice.ACCESS_ALLOWED); |
| } else { |
| setPhonebookPermissionChoice(CachedBluetoothDevice.ACCESS_REJECTED); |
| } |
| } |
| } |
| } |
| |
| public int getMaxConnectionState() { |
| int maxState = BluetoothProfile.STATE_DISCONNECTED; |
| for (LocalBluetoothProfile profile : getProfiles()) { |
| int connectionStatus = getProfileConnectionState(profile); |
| if (connectionStatus > maxState) { |
| maxState = connectionStatus; |
| } |
| } |
| return maxState; |
| } |
| |
| /** |
| * @return resource for string that discribes the connection state of this device. |
| * case 1: idle or playing media, show "Active" on the only one A2DP active device. |
| * case 2: in phone call, show "Active" on the only one HFP active device |
| */ |
| public String getConnectionSummary() { |
| 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 |
| |
| for (LocalBluetoothProfile profile : getProfiles()) { |
| int connectionStatus = getProfileConnectionState(profile); |
| |
| switch (connectionStatus) { |
| case BluetoothProfile.STATE_CONNECTING: |
| case BluetoothProfile.STATE_DISCONNECTING: |
| return mContext.getString(Utils.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) { |
| if (a2dpConnected || hfpConnected || hearingAidConnected) { |
| //contain battery information |
| if (batteryLevelPercentageString != null) { |
| //device is in phone call |
| if (com.android.settingslib.Utils.isAudioModeOngoingCall(mContext)) { |
| if (mIsActiveDeviceHeadset) { |
| stringRes = R.string.bluetooth_active_battery_level; |
| } else { |
| stringRes = R.string.bluetooth_battery_level; |
| } |
| } else {//device is not in phone call(ex. idle or playing media) |
| //need to check if A2DP and HearingAid are exclusive |
| if (mIsActiveDeviceHearingAid || mIsActiveDeviceA2dp) { |
| stringRes = R.string.bluetooth_active_battery_level; |
| } else { |
| stringRes = R.string.bluetooth_battery_level; |
| } |
| } |
| } else { |
| //no battery information |
| if (com.android.settingslib.Utils.isAudioModeOngoingCall(mContext)) { |
| if (mIsActiveDeviceHeadset) { |
| stringRes = R.string.bluetooth_active_no_battery_level; |
| } |
| } else { |
| if (mIsActiveDeviceHearingAid || mIsActiveDeviceA2dp) { |
| stringRes = R.string.bluetooth_active_no_battery_level; |
| } |
| } |
| } |
| } else {//unknown profile with battery information |
| if (batteryLevelPercentageString != null) { |
| stringRes = R.string.bluetooth_battery_level; |
| } |
| } |
| } |
| |
| return (stringRes != R.string.bluetooth_pairing |
| || getBondState() == BluetoothDevice.BOND_BONDING) |
| ? mContext.getString(stringRes, batteryLevelPercentageString) |
| : null; |
| } |
| |
| /** |
| * @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 |
| |
| for (LocalBluetoothProfile profile : getProfiles()) { |
| int connectionStatus = getProfileConnectionState(profile); |
| |
| switch (connectionStatus) { |
| case BluetoothProfile.STATE_CONNECTING: |
| case BluetoothProfile.STATE_DISCONNECTING: |
| return mContext.getString(Utils.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 isA2dpDevice() { |
| return mProfileManager.getA2dpProfile().getConnectionStatus(mDevice) == |
| BluetoothProfile.STATE_CONNECTED; |
| } |
| |
| /** |
| * @return {@code true} if {@code cachedBluetoothDevice} is HFP device |
| */ |
| public boolean isHfpDevice() { |
| return mProfileManager.getHeadsetProfile().getConnectionStatus(mDevice) == |
| BluetoothProfile.STATE_CONNECTED; |
| } |
| } |