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//*********************************************************
//
// Copyright (c) Microsoft. All rights reserved.
// This code is licensed under the MIT License (MIT).
// THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
// IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
// PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
//
//*********************************************************
using System;
using VoipTasks.BackgroundOperations;
using VoipTasks.Helpers;
using Windows.ApplicationModel.AppService;
using Windows.ApplicationModel.Background;
using Windows.ApplicationModel.Calls;
using Windows.Foundation.Collections;
using VoipBackEnd;
namespace VoipTasks
{
public sealed class AppService : IBackgroundTask
{
AppServiceConnection _connection;
BackgroundTaskDeferral _deferral;
public void Run(IBackgroundTaskInstance taskInstance)
{
AppServiceTriggerDetails triggerDetail = taskInstance.TriggerDetails as AppServiceTriggerDetails;
_deferral = taskInstance.GetDeferral();
// Register for Task Cancel callback
taskInstance.Canceled += TaskInstance_Canceled;
AppServiceConnection connection = triggerDetail.AppServiceConnection;
_connection = connection;
connection.RequestReceived += Connection_RequestReceived;
Current.AppConnection = connection;
}
private async void Connection_RequestReceived(AppServiceConnection sender, AppServiceRequestReceivedEventArgs args)
{
var deferral = args.GetDeferral();
var response = new ValueSet();
bool stop = false;
try
{
var request = args.Request;
var message = request.Message;
if (message.ContainsKey(BackgroundOperation.NewBackgroundRequest))
{
switch ((BackgroundRequest)message[BackgroundOperation.NewBackgroundRequest])
{
case BackgroundRequest.NewOutgoingCall:
Current.AppRequest = args.Request;
Current.Request = BackgroundRequest.NewOutgoingCall;
Current.AppRequestDeferal = deferral;
await Current.RequestNewCallAsync(message[NewCallArguments.DstURI.ToString()] as String);
break;
case BackgroundRequest.EndCall:
Current.AppRequest = args.Request;
Current.Request = BackgroundRequest.EndCall;
Current.AppRequestDeferal = deferral;
Current.EndCallAsync();
break;
case BackgroundRequest.StartService:
Current.AppRequest = args.Request;
Current.Request = BackgroundRequest.StartService;
Current.AppRequestDeferal = deferral;
Current.StartService();
break;
case BackgroundRequest.StopService:
Current.AppRequest = args.Request;
Current.Request = BackgroundRequest.StopService;
Current.AppRequestDeferal = deferral;
Current.StopService();
break;
case BackgroundRequest.GetAccountInfo:
Current.AppRequest = args.Request;
Current.Request = BackgroundRequest.GetAccountInfo;
Current.AppRequestDeferal = deferral;
Current.GetAccountInfo();
break;
case BackgroundRequest.ModifyAccount:
Current.AppRequest = args.Request;
Current.Request = BackgroundRequest.ModifyAccount;
Current.AppRequestDeferal = deferral;
Current.ModifyAccount(message[ModifyAccountArguments.id.ToString()] as String,
message[ModifyAccountArguments.registrar.ToString()] as String,
message[ModifyAccountArguments.proxy.ToString()] as String,
message[ModifyAccountArguments.username.ToString()] as String,
message[ModifyAccountArguments.password.ToString()] as String);
break;
default:
stop = true;
break;
}
}
}
finally
{
if (stop)
{
_deferral.Complete();
}
}
}
private void TaskInstance_Canceled(IBackgroundTaskInstance sender, BackgroundTaskCancellationReason reason)
{
if (_deferral != null)
{
_deferral.Complete();
}
}
private static void Call_ResumeRequested(VoipPhoneCall sender, CallStateChangeEventArgs args)
{
sender.NotifyCallActive();
}
private static void Call_RejectRequested(VoipPhoneCall sender, CallRejectEventArgs args)
{
sender.NotifyCallEnded();
}
private static void Call_HoldRequested(VoipPhoneCall sender, CallStateChangeEventArgs args)
{
sender.NotifyCallHeld();
}
private static void Call_EndRequested(VoipPhoneCall sender, CallStateChangeEventArgs args)
{
sender.NotifyCallEnded();
}
private static void Call_AnswerRequested(VoipPhoneCall sender, CallAnswerEventArgs args)
{
sender.NotifyCallActive();
}
}
}
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