src/Tizen.Messaging/Tizen.Messaging.Email/EmailSender.cs

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   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 using System;
  18 using System.Threading.Tasks;
  19
  20 namespace Tizen.Messaging.Email
  21 {
  22     /// <summary>
  23     /// This class is used to send email messages.
  24     /// </summary>
  25     /// <since_tizen> 3 </since_tizen>
  26     public static class EmailSender
  27     {
  28         /// <summary>
  29         /// Sends the email message.
  30         /// </summary>
  31         /// <param name="email">The email message.</param>
  32         /// <returns> Failure if the email sending activity failed, otherwise Success.</returns>
  33         /// <since_tizen> 3 </since_tizen>
  34         public static async Task<EmailSendResult> SendAsync(EmailMessage email)
  35         {
  36             var task = new TaskCompletionSource<EmailSendResult>();
  37             int ret = (int)EmailError.None;
  38             bool saveToSentBox = false;
  39
  40             email.FillHandle();
  41             email.Save();
  42
  43             Interop.Email.EmailSentCallback _emailSendingCallback = (IntPtr handle, int result, IntPtr userData) =>
  44             {
  45                 task.SetResult((EmailSendResult)result);
  46             };
  47
  48             ret = Interop.Email.SetCb(email._emailHandle, _emailSendingCallback, IntPtr.Zero);
  49             if (ret != (int)EmailError.None)
  50             {
  51                 Log.Error(EmailErrorFactory.LogTag, "Failed to set email incoming callback, Error code: " + (EmailError)ret);
  52                 throw EmailErrorFactory.GetException(ret);
  53             }
  54
  55             ret = Interop.Email.SendEmail(email._emailHandle, saveToSentBox);
  56             if (ret != (int)EmailError.None)
  57             {
  58                 Log.Error(EmailErrorFactory.LogTag, "Failed to send email, Error code: " + (EmailError)ret);
  59                 throw EmailErrorFactory.GetException(ret);
  60             }
  61
  62             var sendResult = await task.Task;
  63
  64             ret = Interop.Email.UnsetCb(email._emailHandle);
  65             if (ret != (int)EmailError.None)
  66             {
  67                 Log.Error(EmailErrorFactory.LogTag, "Failed to set email incoming callback, Error code: " + (EmailError)ret);
  68                 throw EmailErrorFactory.GetException(ret);
  69             }
  70
  71             return sendResult;
  72         }
  73     }
  74 }