| /* |
| * 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.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.telecom.Log; |
| import android.telephony.TelephonyManager; |
| |
| import com.android.internal.telephony.ITelephonyRegistry; |
| |
| /** |
| * 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 ITelephonyRegistry mRegistry; |
| private int mCurrentState = TelephonyManager.CALL_STATE_IDLE; |
| |
| public PhoneStateBroadcaster(CallsManager callsManager) { |
| mCallsManager = callsManager; |
| mRegistry = ITelephonyRegistry.Stub.asInterface(ServiceManager.getService( |
| "telephony.registry")); |
| 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); |
| } |
| |
| @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.hasRingingCall()) { |
| 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; |
| if (call.getHandle() != null) { |
| callHandle = call.getHandle().getSchemeSpecificPart(); |
| } |
| |
| try { |
| if (mRegistry != null) { |
| mRegistry.notifyCallState(phoneState, callHandle); |
| Log.i(this, "Broadcasted state change: %s", mCurrentState); |
| } |
| } catch (RemoteException e) { |
| Log.w(this, "RemoteException when notifying TelephonyRegistry of call state change."); |
| } |
| } |
| } |