/* * 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.EventLog; import android.util.Log; import android.bluetooth.BluetoothAdapter; import android.support.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 { 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 mProfileConnectionState; private final List mProfiles = new ArrayList(); // List of profiles that were previously in mProfiles, but have been removed private final List mRemovedProfiles = new ArrayList(); // 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 mCallbacks = new ArrayList(); // 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; } /** * 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 + " 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(); 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.isConnectable() : 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 getProfiles() { return Collections.unmodifiableList(mProfiles); } public List getConnectableProfiles() { List connectableProfiles = new ArrayList(); for (LocalBluetoothProfile profile : mProfiles) { if (profile.isConnectable()) { connectableProfiles.add(profile); } } return connectableProfiles; } public List 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) { EventLog.writeEvent(0x534e4554, "138529441", -1, ""); } 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; } }