Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014, The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package com.android.telecomm; |
| 18 | |
| 19 | import android.content.ComponentName; |
| 20 | import android.content.pm.PackageManager; |
| 21 | import android.content.pm.ServiceInfo; |
| 22 | import android.telecomm.CallServiceDescriptor; |
| 23 | |
| 24 | /** |
| 25 | * Utilities to deal with the system telephony services. The system telephony services are treated |
| 26 | * differently from 3rd party services in some situations (emergency calls, audio focus, etc...). |
| 27 | */ |
| 28 | public final class TelephonyUtil { |
Sailesh Nepal | 8c85dee | 2014-04-07 22:21:40 -0700 | [diff] [blame] | 29 | private static final String TAG = TelephonyUtil.class.getSimpleName(); |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 30 | |
Sailesh Nepal | 4a51550 | 2014-06-26 12:58:17 -0700 | [diff] [blame] | 31 | private static final String TELEPHONY_PACKAGE_NAME = "com.android.phone"; |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 32 | |
Ihab Awad | 55a3428 | 2014-06-18 10:31:09 -0700 | [diff] [blame] | 33 | private static final String PSTN_CALL_SERVICE_CLASS_NAME = |
| 34 | "com.android.services.telephony.PstnConnectionService"; |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 35 | |
| 36 | private TelephonyUtil() {} |
| 37 | |
Sailesh Nepal | c92c436 | 2014-07-04 18:33:21 -0700 | [diff] [blame] | 38 | static boolean isPstnConnectionService(CallServiceDescriptor descriptor) { |
Sailesh Nepal | 4a51550 | 2014-06-26 12:58:17 -0700 | [diff] [blame] | 39 | final ComponentName pstnComponentName = new ComponentName( |
| 40 | TELEPHONY_PACKAGE_NAME, PSTN_CALL_SERVICE_CLASS_NAME); |
| 41 | return pstnComponentName.equals(descriptor.getServiceComponent()); |
Santos Cordon | 5b7b9b3 | 2014-03-26 14:00:22 -0700 | [diff] [blame] | 42 | } |
| 43 | |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 44 | /** |
| 45 | * Returns whether or not the call is currently connected as a cellular call (through the |
| 46 | * device's cellular radio). |
| 47 | */ |
| 48 | static boolean isCurrentlyPSTNCall(Call call) { |
| 49 | if (Log.DEBUG) { |
Sailesh Nepal | c92c436 | 2014-07-04 18:33:21 -0700 | [diff] [blame] | 50 | verifyConnectionServiceExists(PSTN_CALL_SERVICE_CLASS_NAME); |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 51 | } |
| 52 | |
Sailesh Nepal | c92c436 | 2014-07-04 18:33:21 -0700 | [diff] [blame] | 53 | ConnectionServiceWrapper service = call.getConnectionService(); |
| 54 | if (service == null) { |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 55 | return false; |
| 56 | } |
Sailesh Nepal | c92c436 | 2014-07-04 18:33:21 -0700 | [diff] [blame] | 57 | return isPstnConnectionService(service.getDescriptor()); |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 58 | } |
| 59 | |
Sailesh Nepal | c92c436 | 2014-07-04 18:33:21 -0700 | [diff] [blame] | 60 | private static void verifyConnectionServiceExists(String serviceName) { |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 61 | PackageManager packageManager = TelecommApp.getInstance().getPackageManager(); |
| 62 | try { |
| 63 | ServiceInfo info = packageManager.getServiceInfo( |
| 64 | new ComponentName(TELEPHONY_PACKAGE_NAME, serviceName), 0); |
| 65 | if (info == null) { |
Sailesh Nepal | c92c436 | 2014-07-04 18:33:21 -0700 | [diff] [blame] | 66 | Log.wtf(TAG, "Error, unable to find connection service: %s", serviceName); |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 67 | } |
| 68 | } catch (PackageManager.NameNotFoundException e) { |
Sailesh Nepal | c92c436 | 2014-07-04 18:33:21 -0700 | [diff] [blame] | 69 | Log.wtf(TAG, e, "Error, exception while trying to find connection service: %s", |
| 70 | serviceName); |
Sailesh Nepal | 18386a8 | 2014-03-19 10:22:40 -0700 | [diff] [blame] | 71 | } |
| 72 | } |
| 73 | } |