| /* |
| * Copyright (C) 2015 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.dialer.telecom; |
| |
| import android.Manifest; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.pm.PackageManager; |
| import android.net.Uri; |
| import android.provider.CallLog.Calls; |
| import android.support.annotation.Nullable; |
| import android.support.annotation.VisibleForTesting; |
| import android.support.v4.content.ContextCompat; |
| import android.telecom.PhoneAccount; |
| import android.telecom.PhoneAccountHandle; |
| import android.telecom.TelecomManager; |
| import android.text.TextUtils; |
| import com.android.dialer.common.LogUtil; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Performs permission checks before calling into TelecomManager. Each method is self-explanatory - |
| * perform the required check and return the fallback default if the permission is missing, |
| * otherwise return the value from TelecomManager. |
| */ |
| public class TelecomUtil { |
| |
| private static final String TAG = "TelecomUtil"; |
| private static boolean sWarningLogged = false; |
| private static Boolean isDefaultDialerForTesting; |
| private static Boolean hasPermissionForTesting; |
| |
| public static void showInCallScreen(Context context, boolean showDialpad) { |
| if (hasReadPhoneStatePermission(context)) { |
| try { |
| getTelecomManager(context).showInCallScreen(showDialpad); |
| } catch (SecurityException e) { |
| // Just in case |
| LogUtil.w(TAG, "TelecomManager.showInCallScreen called without permission."); |
| } |
| } |
| } |
| |
| public static void silenceRinger(Context context) { |
| if (hasModifyPhoneStatePermission(context)) { |
| try { |
| getTelecomManager(context).silenceRinger(); |
| } catch (SecurityException e) { |
| // Just in case |
| LogUtil.w(TAG, "TelecomManager.silenceRinger called without permission."); |
| } |
| } |
| } |
| |
| public static void cancelMissedCallsNotification(Context context) { |
| if (hasModifyPhoneStatePermission(context)) { |
| try { |
| getTelecomManager(context).cancelMissedCallsNotification(); |
| } catch (SecurityException e) { |
| LogUtil.w(TAG, "TelecomManager.cancelMissedCalls called without permission."); |
| } |
| } |
| } |
| |
| public static Uri getAdnUriForPhoneAccount(Context context, PhoneAccountHandle handle) { |
| if (hasModifyPhoneStatePermission(context)) { |
| try { |
| return getTelecomManager(context).getAdnUriForPhoneAccount(handle); |
| } catch (SecurityException e) { |
| LogUtil.w(TAG, "TelecomManager.getAdnUriForPhoneAccount called without permission."); |
| } |
| } |
| return null; |
| } |
| |
| public static boolean handleMmi( |
| Context context, String dialString, @Nullable PhoneAccountHandle handle) { |
| if (hasModifyPhoneStatePermission(context)) { |
| try { |
| if (handle == null) { |
| return getTelecomManager(context).handleMmi(dialString); |
| } else { |
| return getTelecomManager(context).handleMmi(dialString, handle); |
| } |
| } catch (SecurityException e) { |
| LogUtil.w(TAG, "TelecomManager.handleMmi called without permission."); |
| } |
| } |
| return false; |
| } |
| |
| @Nullable |
| public static PhoneAccountHandle getDefaultOutgoingPhoneAccount( |
| Context context, String uriScheme) { |
| if (hasReadPhoneStatePermission(context)) { |
| return getTelecomManager(context).getDefaultOutgoingPhoneAccount(uriScheme); |
| } |
| return null; |
| } |
| |
| public static PhoneAccount getPhoneAccount(Context context, PhoneAccountHandle handle) { |
| return getTelecomManager(context).getPhoneAccount(handle); |
| } |
| |
| public static List<PhoneAccountHandle> getCallCapablePhoneAccounts(Context context) { |
| if (hasReadPhoneStatePermission(context)) { |
| return getTelecomManager(context).getCallCapablePhoneAccounts(); |
| } |
| return new ArrayList<>(); |
| } |
| |
| public static boolean isInCall(Context context) { |
| if (hasReadPhoneStatePermission(context)) { |
| return getTelecomManager(context).isInCall(); |
| } |
| return false; |
| } |
| |
| public static boolean isVoicemailNumber( |
| Context context, PhoneAccountHandle accountHandle, String number) { |
| if (hasReadPhoneStatePermission(context)) { |
| return getTelecomManager(context).isVoiceMailNumber(accountHandle, number); |
| } |
| return false; |
| } |
| |
| @Nullable |
| public static String getVoicemailNumber(Context context, PhoneAccountHandle accountHandle) { |
| if (hasReadPhoneStatePermission(context)) { |
| return getTelecomManager(context).getVoiceMailNumber(accountHandle); |
| } |
| return null; |
| } |
| |
| /** |
| * Tries to place a call using the {@link TelecomManager}. |
| * |
| * @param context context. |
| * @param intent the call intent. |
| * @return {@code true} if we successfully attempted to place the call, {@code false} if it failed |
| * due to a permission check. |
| */ |
| public static boolean placeCall(Context context, Intent intent) { |
| if (hasCallPhonePermission(context)) { |
| getTelecomManager(context).placeCall(intent.getData(), intent.getExtras()); |
| return true; |
| } |
| return false; |
| } |
| |
| public static Uri getCallLogUri(Context context) { |
| return hasReadWriteVoicemailPermissions(context) |
| ? Calls.CONTENT_URI_WITH_VOICEMAIL |
| : Calls.CONTENT_URI; |
| } |
| |
| public static boolean hasReadWriteVoicemailPermissions(Context context) { |
| return isDefaultDialer(context) |
| || (hasPermission(context, Manifest.permission.READ_VOICEMAIL) |
| && hasPermission(context, Manifest.permission.WRITE_VOICEMAIL)); |
| } |
| |
| public static boolean hasModifyPhoneStatePermission(Context context) { |
| return isDefaultDialer(context) |
| || hasPermission(context, Manifest.permission.MODIFY_PHONE_STATE); |
| } |
| |
| public static boolean hasReadPhoneStatePermission(Context context) { |
| return isDefaultDialer(context) || hasPermission(context, Manifest.permission.READ_PHONE_STATE); |
| } |
| |
| public static boolean hasCallPhonePermission(Context context) { |
| return isDefaultDialer(context) || hasPermission(context, Manifest.permission.CALL_PHONE); |
| } |
| |
| private static boolean hasPermission(Context context, String permission) { |
| if (hasPermissionForTesting != null) { |
| return hasPermissionForTesting; |
| } |
| return ContextCompat.checkSelfPermission(context, permission) |
| == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| public static boolean isDefaultDialer(Context context) { |
| if (isDefaultDialerForTesting != null) { |
| return isDefaultDialerForTesting; |
| } |
| final boolean result = |
| TextUtils.equals( |
| context.getPackageName(), getTelecomManager(context).getDefaultDialerPackage()); |
| if (result) { |
| sWarningLogged = false; |
| } else { |
| if (!sWarningLogged) { |
| // Log only once to prevent spam. |
| LogUtil.w(TAG, "Dialer is not currently set to be default dialer"); |
| sWarningLogged = true; |
| } |
| } |
| return result; |
| } |
| |
| private static TelecomManager getTelecomManager(Context context) { |
| return (TelecomManager) context.getSystemService(Context.TELECOM_SERVICE); |
| } |
| |
| @VisibleForTesting(otherwise = VisibleForTesting.NONE) |
| public static void setIsDefaultDialerForTesting(Boolean defaultDialer) { |
| isDefaultDialerForTesting = defaultDialer; |
| } |
| |
| @VisibleForTesting(otherwise = VisibleForTesting.NONE) |
| public static void setHasPermissionForTesting(Boolean hasPermission) { |
| hasPermissionForTesting = hasPermission; |
| } |
| } |