| /* |
| * Copyright (C) 2009 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.settings.bluetooth; |
| |
| import android.app.AlertDialog; |
| import android.app.Notification; |
| import android.app.Service; |
| import android.bluetooth.BluetoothA2dp; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothDevice; |
| import android.bluetooth.BluetoothHeadset; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.Handler; |
| import android.os.HandlerThread; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.Message; |
| import android.util.Log; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.WindowManager; |
| import android.widget.CheckBox; |
| import android.widget.CompoundButton; |
| |
| import com.android.settings.R; |
| import com.android.settings.bluetooth.LocalBluetoothProfileManager.Profile; |
| |
| import java.util.List; |
| |
| public class DockService extends Service implements AlertDialog.OnMultiChoiceClickListener, |
| DialogInterface.OnClickListener, DialogInterface.OnDismissListener, |
| CompoundButton.OnCheckedChangeListener { |
| |
| private static final String TAG = "DockService"; |
| |
| static final boolean DEBUG = false; |
| |
| // Time allowed for the device to be undocked and redocked without severing |
| // the bluetooth connection |
| private static final long UNDOCKED_GRACE_PERIOD = 1000; |
| |
| // Msg for user wanting the UI to setup the dock |
| private static final int MSG_TYPE_SHOW_UI = 111; |
| |
| // Msg for device docked event |
| private static final int MSG_TYPE_DOCKED = 222; |
| |
| // Msg for device undocked event |
| private static final int MSG_TYPE_UNDOCKED_TEMPORARY = 333; |
| |
| // Msg for undocked command to be process after UNDOCKED_GRACE_PERIOD millis |
| // since MSG_TYPE_UNDOCKED_TEMPORARY |
| private static final int MSG_TYPE_UNDOCKED_PERMANENT = 444; |
| |
| // Created in OnCreate() |
| private volatile Looper mServiceLooper; |
| private volatile ServiceHandler mServiceHandler; |
| private DockService mContext; |
| private LocalBluetoothManager mBtManager; |
| |
| // Normally set after getting a docked event and unset when the connection |
| // is severed. One exception is that mDevice could be null if the service |
| // was started after the docked event. |
| private BluetoothDevice mDevice; |
| |
| // Created and used for the duration of the dialog |
| private AlertDialog mDialog; |
| private Profile[] mProfiles; |
| private boolean[] mCheckedItems; |
| private int mStartIdAssociatedWithDialog; |
| |
| // Set while BT is being enabled. |
| private BluetoothDevice mPendingDevice; |
| private int mPendingStartId; |
| |
| private Object mBtSynchroObject = new Object(); |
| |
| @Override |
| public void onCreate() { |
| if (DEBUG) Log.d(TAG, "onCreate"); |
| |
| mBtManager = LocalBluetoothManager.getInstance(this); |
| mContext = this; |
| |
| HandlerThread thread = new HandlerThread("DockService"); |
| thread.start(); |
| |
| mServiceLooper = thread.getLooper(); |
| mServiceHandler = new ServiceHandler(mServiceLooper); |
| } |
| |
| @Override |
| public void onDestroy() { |
| if (DEBUG) Log.d(TAG, "onDestroy"); |
| if (mDialog != null) { |
| mDialog.dismiss(); |
| mDialog = null; |
| } |
| mServiceLooper.quit(); |
| } |
| |
| @Override |
| public IBinder onBind(Intent intent) { |
| // not supported |
| return null; |
| } |
| |
| @Override |
| public int onStartCommand(Intent intent, int flags, int startId) { |
| if (DEBUG) Log.d(TAG, "onStartCommand startId:" + startId + " flags: " + flags); |
| |
| if (intent == null) { |
| // Nothing to process, stop. |
| if (DEBUG) Log.d(TAG, "START_NOT_STICKY - intent is null."); |
| |
| // NOTE: We MUST not call stopSelf() directly, since we need to |
| // make sure the wake lock acquired by the Receiver is released. |
| DockEventReceiver.finishStartingService(this, startId); |
| return START_NOT_STICKY; |
| } |
| |
| if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) { |
| handleBtStateChange(intent); |
| DockEventReceiver.finishStartingService(this, startId); |
| return START_NOT_STICKY; |
| } |
| |
| Message msg = parseIntent(intent); |
| if (msg == null) { |
| // Bad intent |
| if (DEBUG) Log.d(TAG, "START_NOT_STICKY - Bad intent."); |
| DockEventReceiver.finishStartingService(this, startId); |
| return START_NOT_STICKY; |
| } |
| |
| msg.arg2 = startId; |
| processMessage(msg); |
| |
| return START_NOT_STICKY; |
| } |
| |
| private final class ServiceHandler extends Handler { |
| public ServiceHandler(Looper looper) { |
| super(looper); |
| } |
| |
| @Override |
| public void handleMessage(Message msg) { |
| processMessage(msg); |
| } |
| } |
| |
| // This method gets messages from both onStartCommand and mServiceHandler/mServiceLooper |
| private synchronized void processMessage(Message msg) { |
| int msgType = msg.what; |
| int state = msg.arg1; |
| int startId = msg.arg2; |
| BluetoothDevice device = (BluetoothDevice) msg.obj; |
| |
| if(DEBUG) Log.d(TAG, "processMessage: " + msgType + " state: " + state + " device = " |
| + (msg.obj == null ? "null" : device.toString())); |
| |
| switch (msgType) { |
| case MSG_TYPE_SHOW_UI: |
| if (mDialog != null) { |
| // Shouldn't normally happen |
| mDialog.dismiss(); |
| mDialog = null; |
| } |
| mDevice = device; |
| createDialog(mContext, mDevice, state, startId); |
| break; |
| |
| case MSG_TYPE_DOCKED: |
| if (DEBUG) { |
| // TODO figure out why hasMsg always returns false if device |
| // is supplied |
| Log.d(TAG, "1 Has undock perm msg = " |
| + mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, mDevice)); |
| Log.d(TAG, "2 Has undock perm msg = " |
| + mServiceHandler.hasMessages(MSG_TYPE_UNDOCKED_PERMANENT, device)); |
| } |
| |
| mServiceHandler.removeMessages(MSG_TYPE_UNDOCKED_PERMANENT); |
| |
| if (!device.equals(mDevice)) { |
| if (mDevice != null) { |
| // Not expected. Cleanup/undock existing |
| handleUndocked(mContext, mBtManager, mDevice); |
| } |
| |
| mDevice = device; |
| if (mBtManager.getDockAutoConnectSetting(device.getAddress())) { |
| // Setting == auto connect |
| initBtSettings(mContext, device, state, false); |
| applyBtSettings(mDevice, startId); |
| } else { |
| createDialog(mContext, mDevice, state, startId); |
| } |
| } |
| break; |
| |
| case MSG_TYPE_UNDOCKED_PERMANENT: |
| // Grace period passed. Disconnect. |
| handleUndocked(mContext, mBtManager, device); |
| break; |
| |
| case MSG_TYPE_UNDOCKED_TEMPORARY: |
| // Undocked event received. Queue a delayed msg to sever connection |
| Message newMsg = mServiceHandler.obtainMessage(MSG_TYPE_UNDOCKED_PERMANENT, state, |
| startId, device); |
| mServiceHandler.sendMessageDelayed(newMsg, UNDOCKED_GRACE_PERIOD); |
| break; |
| } |
| |
| if (mDialog == null && mPendingDevice == null && msgType != MSG_TYPE_UNDOCKED_TEMPORARY) { |
| // NOTE: We MUST not call stopSelf() directly, since we need to |
| // make sure the wake lock acquired by the Receiver is released. |
| DockEventReceiver.finishStartingService(DockService.this, startId); |
| } |
| } |
| |
| private Message parseIntent(Intent intent) { |
| BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1234); |
| |
| if (DEBUG) { |
| Log.d(TAG, "Action: " + intent.getAction() + " State:" + state |
| + " Device: " + (device == null ? "null" : device.getName())); |
| } |
| |
| if (device == null) { |
| Log.w(TAG, "device is null"); |
| return null; |
| } |
| |
| int msgType; |
| switch (state) { |
| case Intent.EXTRA_DOCK_STATE_UNDOCKED: |
| msgType = MSG_TYPE_UNDOCKED_TEMPORARY; |
| break; |
| case Intent.EXTRA_DOCK_STATE_DESK: |
| case Intent.EXTRA_DOCK_STATE_CAR: |
| if (DockEventReceiver.ACTION_DOCK_SHOW_UI.equals(intent.getAction())) { |
| msgType = MSG_TYPE_SHOW_UI; |
| } else { |
| msgType = MSG_TYPE_DOCKED; |
| } |
| break; |
| default: |
| return null; |
| } |
| |
| return mServiceHandler.obtainMessage(msgType, state, 0, device); |
| } |
| |
| private boolean createDialog(DockService service, BluetoothDevice device, int state, |
| int startId) { |
| switch (state) { |
| case Intent.EXTRA_DOCK_STATE_CAR: |
| case Intent.EXTRA_DOCK_STATE_DESK: |
| break; |
| default: |
| return false; |
| } |
| |
| startForeground(0, new Notification()); |
| |
| // Device in a new dock. |
| boolean firstTime = !mBtManager.hasDockAutoConnectSetting(device.getAddress()); |
| |
| CharSequence[] items = initBtSettings(service, device, state, firstTime); |
| |
| final AlertDialog.Builder ab = new AlertDialog.Builder(service); |
| ab.setTitle(service.getString(R.string.bluetooth_dock_settings_title)); |
| |
| // Profiles |
| ab.setMultiChoiceItems(items, mCheckedItems, service); |
| |
| // Remember this settings |
| LayoutInflater inflater = (LayoutInflater) service |
| .getSystemService(Context.LAYOUT_INFLATER_SERVICE); |
| float pixelScaleFactor = service.getResources().getDisplayMetrics().density; |
| View view = inflater.inflate(R.layout.remember_dock_setting, null); |
| CheckBox rememberCheckbox = (CheckBox) view.findViewById(R.id.remember); |
| |
| // check "Remember setting" by default if no value was saved |
| boolean checked = firstTime || mBtManager.getDockAutoConnectSetting(device.getAddress()); |
| rememberCheckbox.setChecked(checked); |
| rememberCheckbox.setOnCheckedChangeListener(this); |
| int viewSpacingLeft = (int) (14 * pixelScaleFactor); |
| int viewSpacingRight = (int) (14 * pixelScaleFactor); |
| ab.setView(view, viewSpacingLeft, 0 /* top */, viewSpacingRight, 0 /* bottom */); |
| if (DEBUG) { |
| Log.d(TAG, "Auto connect = " |
| + mBtManager.getDockAutoConnectSetting(device.getAddress())); |
| } |
| |
| // Ok Button |
| ab.setPositiveButton(service.getString(android.R.string.ok), service); |
| |
| mStartIdAssociatedWithDialog = startId; |
| mDialog = ab.create(); |
| mDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG); |
| mDialog.setOnDismissListener(service); |
| mDialog.show(); |
| return true; |
| } |
| |
| // Called when the individual bt profiles are clicked. |
| public void onClick(DialogInterface dialog, int which, boolean isChecked) { |
| if (DEBUG) Log.d(TAG, "Item " + which + " changed to " + isChecked); |
| mCheckedItems[which] = isChecked; |
| } |
| |
| // Called when the "Remember" Checkbox is clicked |
| public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { |
| if (DEBUG) Log.d(TAG, "onCheckedChanged: Remember Settings = " + isChecked); |
| if (mDevice != null) { |
| mBtManager.saveDockAutoConnectSetting(mDevice.getAddress(), isChecked); |
| } |
| } |
| |
| // Called when the dialog is dismissed |
| public void onDismiss(DialogInterface dialog) { |
| // NOTE: We MUST not call stopSelf() directly, since we need to |
| // make sure the wake lock acquired by the Receiver is released. |
| if (mPendingDevice == null) { |
| DockEventReceiver.finishStartingService(mContext, mStartIdAssociatedWithDialog); |
| } |
| mContext.stopForeground(true); |
| } |
| |
| // Called when clicked on the OK button |
| public void onClick(DialogInterface dialog, int which) { |
| if (which == DialogInterface.BUTTON_POSITIVE && mDevice != null) { |
| if (!mBtManager.hasDockAutoConnectSetting(mDevice.getAddress())) { |
| mBtManager.saveDockAutoConnectSetting(mDevice.getAddress(), true); |
| } |
| |
| applyBtSettings(mDevice, mStartIdAssociatedWithDialog); |
| } |
| } |
| |
| private CharSequence[] initBtSettings(DockService service, BluetoothDevice device, int state, |
| boolean firstTime) { |
| // TODO Avoid hardcoding dock and profiles. Read from system properties |
| int numOfProfiles = 0; |
| switch (state) { |
| case Intent.EXTRA_DOCK_STATE_DESK: |
| numOfProfiles = 1; |
| break; |
| case Intent.EXTRA_DOCK_STATE_CAR: |
| numOfProfiles = 2; |
| break; |
| default: |
| return null; |
| } |
| |
| mProfiles = new Profile[numOfProfiles]; |
| mCheckedItems = new boolean[numOfProfiles]; |
| CharSequence[] items = new CharSequence[numOfProfiles]; |
| |
| switch (state) { |
| case Intent.EXTRA_DOCK_STATE_CAR: |
| items[0] = service.getString(R.string.bluetooth_dock_settings_headset); |
| items[1] = service.getString(R.string.bluetooth_dock_settings_a2dp); |
| mProfiles[0] = Profile.HEADSET; |
| mProfiles[1] = Profile.A2DP; |
| if (firstTime) { |
| // Enable by default for car dock |
| mCheckedItems[0] = true; |
| mCheckedItems[1] = true; |
| } else { |
| mCheckedItems[0] = LocalBluetoothProfileManager.getProfileManager(mBtManager, |
| Profile.HEADSET).isPreferred(device); |
| mCheckedItems[1] = LocalBluetoothProfileManager.getProfileManager(mBtManager, |
| Profile.A2DP).isPreferred(device); |
| } |
| break; |
| |
| case Intent.EXTRA_DOCK_STATE_DESK: |
| items[0] = service.getString(R.string.bluetooth_dock_settings_a2dp); |
| mProfiles[0] = Profile.A2DP; |
| if (firstTime) { |
| // Disable by default for desk dock |
| mCheckedItems[0] = false; |
| } else { |
| mCheckedItems[0] = LocalBluetoothProfileManager.getProfileManager(mBtManager, |
| Profile.A2DP).isPreferred(device); |
| } |
| break; |
| } |
| return items; |
| } |
| |
| public void handleBtStateChange(Intent intent) { |
| int btState = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR); |
| if (btState == BluetoothAdapter.STATE_ON) { |
| synchronized (mBtSynchroObject) { |
| if (mPendingDevice != null) { |
| if (mPendingDevice.equals(mDevice)) { |
| if(DEBUG) Log.d(TAG, "applying settings"); |
| applyBtSettings(mPendingDevice, mPendingStartId); |
| } else if(DEBUG) { |
| Log.d(TAG, "mPendingDevice (" + mPendingDevice + ") != mDevice (" |
| + mDevice + ")"); |
| } |
| |
| mPendingDevice = null; |
| DockEventReceiver.finishStartingService(mContext, mPendingStartId); |
| } else { |
| // Reconnect if docked and bluetooth was enabled by user. |
| Intent i = registerReceiver(null, new IntentFilter(Intent.ACTION_DOCK_EVENT)); |
| if (i != null) { |
| int state = i.getIntExtra(Intent.EXTRA_DOCK_STATE, |
| Intent.EXTRA_DOCK_STATE_UNDOCKED); |
| if (state != Intent.EXTRA_DOCK_STATE_UNDOCKED) { |
| BluetoothDevice device = i |
| .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); |
| if (device != null) { |
| connectIfEnabled(device); |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| private synchronized void connectIfEnabled(BluetoothDevice device) { |
| CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext, mBtManager, device); |
| List<Profile> profiles = cachedDevice.getConnectableProfiles(); |
| for (int i = 0; i < profiles.size(); i++) { |
| LocalBluetoothProfileManager profileManager = LocalBluetoothProfileManager |
| .getProfileManager(mBtManager, profiles.get(i)); |
| int auto; |
| if (Profile.A2DP == profiles.get(i)) { |
| auto = BluetoothA2dp.PRIORITY_AUTO_CONNECT; |
| } else if (Profile.HEADSET == profiles.get(i)) { |
| auto = BluetoothHeadset.PRIORITY_AUTO_CONNECT; |
| } else { |
| continue; |
| } |
| |
| if (profileManager.getPreferred(device) == auto) { |
| cachedDevice.connect(); |
| break; |
| } |
| } |
| } |
| |
| private synchronized void applyBtSettings(final BluetoothDevice device, int startId) { |
| if (device == null || mProfiles == null || mCheckedItems == null) |
| return; |
| |
| // Turn on BT if something is enabled |
| synchronized (mBtSynchroObject) { |
| for (boolean enable : mCheckedItems) { |
| if (enable) { |
| int btState = mBtManager.getBluetoothState(); |
| switch (btState) { |
| case BluetoothAdapter.STATE_OFF: |
| case BluetoothAdapter.STATE_TURNING_OFF: |
| case BluetoothAdapter.STATE_TURNING_ON: |
| if (mPendingDevice != null && mPendingDevice.equals(mDevice)) { |
| return; |
| } |
| |
| mPendingDevice = device; |
| mPendingStartId = startId; |
| if (btState != BluetoothAdapter.STATE_TURNING_ON) { |
| // BT is off. Enable it |
| mBtManager.getBluetoothAdapter().enable(); |
| } |
| return; |
| } |
| } |
| } |
| } |
| |
| mPendingDevice = null; |
| |
| boolean callConnect = false; |
| CachedBluetoothDevice cachedDevice = getCachedBluetoothDevice(mContext, mBtManager, |
| device); |
| for (int i = 0; i < mProfiles.length; i++) { |
| LocalBluetoothProfileManager profileManager = LocalBluetoothProfileManager |
| .getProfileManager(mBtManager, mProfiles[i]); |
| |
| if (DEBUG) Log.d(TAG, mProfiles[i].toString() + " = " + mCheckedItems[i]); |
| |
| if (mCheckedItems[i]) { |
| // Checked but not connected |
| callConnect = true; |
| } else if (!mCheckedItems[i]) { |
| // Unchecked but connected |
| if (DEBUG) Log.d(TAG, "applyBtSettings - Disconnecting"); |
| cachedDevice.disconnect(mProfiles[i]); |
| } |
| profileManager.setPreferred(device, mCheckedItems[i]); |
| if (DEBUG) { |
| if (mCheckedItems[i] != profileManager.isPreferred(device)) { |
| Log.e(TAG, "Can't save prefered value"); |
| } |
| } |
| } |
| |
| if (callConnect) { |
| if (DEBUG) Log.d(TAG, "applyBtSettings - Connecting"); |
| cachedDevice.connect(); |
| } |
| } |
| |
| private synchronized void handleUndocked(Context context, LocalBluetoothManager localManager, |
| BluetoothDevice device) { |
| if (mDialog != null) { |
| mDialog.dismiss(); |
| mDialog = null; |
| } |
| mDevice = null; |
| mPendingDevice = null; |
| CachedBluetoothDevice cachedBluetoothDevice = getCachedBluetoothDevice(context, |
| localManager, device); |
| cachedBluetoothDevice.disconnect(); |
| } |
| |
| private static CachedBluetoothDevice getCachedBluetoothDevice(Context context, |
| LocalBluetoothManager localManager, BluetoothDevice device) { |
| CachedBluetoothDeviceManager cachedDeviceManager = localManager.getCachedDeviceManager(); |
| CachedBluetoothDevice cachedBluetoothDevice = cachedDeviceManager.findDevice(device); |
| if (cachedBluetoothDevice == null) { |
| cachedBluetoothDevice = new CachedBluetoothDevice(context, device); |
| } |
| return cachedBluetoothDevice; |
| } |
| } |
