| /* |
| * Copyright (C) 2014 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.server.telecom; |
| |
| import android.telecom.Log; |
| import android.telephony.PhoneNumberUtils; |
| import android.telephony.SubscriptionInfo; |
| import android.telephony.SubscriptionManager; |
| import android.telephony.TelephonyManager; |
| import android.telephony.TelephonyRegistryManager; |
| import android.telephony.emergency.EmergencyNumber; |
| |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Optional; |
| |
| /** |
| * Send a {@link TelephonyManager#ACTION_PHONE_STATE_CHANGED} broadcast when the call state |
| * changes. |
| */ |
| final class PhoneStateBroadcaster extends CallsManagerListenerBase { |
| |
| private final CallsManager mCallsManager; |
| private final TelephonyRegistryManager mRegistry; |
| private int mCurrentState = TelephonyManager.CALL_STATE_IDLE; |
| |
| public PhoneStateBroadcaster(CallsManager callsManager) { |
| mCallsManager = callsManager; |
| mRegistry = callsManager.getContext().getSystemService(TelephonyRegistryManager.class); |
| if (mRegistry == null) { |
| Log.w(this, "TelephonyRegistry is null"); |
| } |
| } |
| |
| @Override |
| public void onCallStateChanged(Call call, int oldState, int newState) { |
| if (call.isExternalCall()) { |
| return; |
| } |
| updateStates(call); |
| } |
| |
| @Override |
| public void onCallAdded(Call call) { |
| if (call.isExternalCall()) { |
| return; |
| } |
| updateStates(call); |
| |
| if (call.isEmergencyCall() && !call.isIncoming()) { |
| sendOutgoingEmergencyCallEvent(call); |
| } |
| } |
| |
| @Override |
| public void onCallRemoved(Call call) { |
| if (call.isExternalCall()) { |
| return; |
| } |
| updateStates(call); |
| } |
| |
| /** |
| * Handles changes to a call's external property. If the call becomes external, we end up |
| * updating the call state to idle. If the call becomes non-external, then the call state can |
| * update to off hook. |
| * |
| * @param call The call. |
| * @param isExternalCall {@code True} if the call is external, {@code false} otherwise. |
| */ |
| @Override |
| public void onExternalCallChanged(Call call, boolean isExternalCall) { |
| updateStates(call); |
| } |
| |
| private void updateStates(Call call) { |
| // Recalculate the current phone state based on the consolidated state of the remaining |
| // calls in the call list. |
| // Note: CallsManager#hasRingingCall() and CallsManager#getFirstCallWithState(..) do not |
| // consider external calls, so an external call is going to cause the state to be idle. |
| int callState = TelephonyManager.CALL_STATE_IDLE; |
| if (mCallsManager.hasRingingOrSimulatedRingingCall()) { |
| callState = TelephonyManager.CALL_STATE_RINGING; |
| } else if (mCallsManager.getFirstCallWithState(CallState.DIALING, CallState.PULLING, |
| CallState.ACTIVE, CallState.ON_HOLD) != null) { |
| callState = TelephonyManager.CALL_STATE_OFFHOOK; |
| } |
| sendPhoneStateChangedBroadcast(call, callState); |
| } |
| |
| int getCallState() { |
| return mCurrentState; |
| } |
| |
| private void sendPhoneStateChangedBroadcast(Call call, int phoneState) { |
| if (phoneState == mCurrentState) { |
| return; |
| } |
| |
| mCurrentState = phoneState; |
| |
| String callHandle = null; |
| // Only report phone numbers in phone state broadcast for regular mobile calls; do not |
| // include numbers from 3rd party apps. |
| if (!call.isSelfManaged() && call.getHandle() != null) { |
| callHandle = call.getHandle().getSchemeSpecificPart(); |
| } |
| |
| if (mRegistry != null) { |
| mRegistry.notifyCallStateChangedForAllSubscriptions(phoneState, callHandle); |
| Log.i(this, "Broadcasted state change: %s", mCurrentState); |
| } |
| } |
| |
| private void sendOutgoingEmergencyCallEvent(Call call) { |
| TelephonyManager tm = mCallsManager.getContext().getSystemService(TelephonyManager.class); |
| String strippedNumber = |
| PhoneNumberUtils.stripSeparators(call.getHandle().getSchemeSpecificPart()); |
| Optional<EmergencyNumber> emergencyNumber; |
| try { |
| emergencyNumber = tm.getEmergencyNumberList().values().stream() |
| .flatMap(List::stream) |
| .filter(numberObj -> Objects.equals(numberObj.getNumber(), strippedNumber)) |
| .findFirst(); |
| } catch (IllegalStateException ie) { |
| emergencyNumber = Optional.empty(); |
| } catch (RuntimeException r) { |
| emergencyNumber = Optional.empty(); |
| } |
| |
| int subscriptionId = tm.getSubscriptionId(call.getTargetPhoneAccount()); |
| SubscriptionManager subscriptionManager = |
| mCallsManager.getContext().getSystemService(SubscriptionManager.class); |
| int simSlotIndex = SubscriptionManager.DEFAULT_PHONE_INDEX; |
| if (subscriptionManager != null) { |
| SubscriptionInfo subInfo = |
| subscriptionManager.getActiveSubscriptionInfo(subscriptionId); |
| if (subInfo != null) { |
| simSlotIndex = subInfo.getSimSlotIndex(); |
| } |
| } |
| |
| if (emergencyNumber.isPresent()) { |
| mRegistry.notifyOutgoingEmergencyCall( |
| simSlotIndex, subscriptionId, emergencyNumber.get()); |
| } |
| } |
| } |