src/Tizen.Multimedia.Remoting/MediaController/MediaController.Events.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 Tizen.Applications;
  19 using Native = Interop.MediaControllerClient;
  20
  21 namespace Tizen.Multimedia.Remoting
  22 {
  23     /// <summary>
  24     /// Provides a means to to send commands to and handle events from media control server.
  25     /// </summary>
  26     /// <since_tizen> 4 </since_tizen>
  27     public partial class MediaController
  28     {
  29         /// <summary>
  30         /// Occurs when the server is stopped.
  31         /// </summary>
  32         /// <since_tizen> 4 </since_tizen>
  33         public event EventHandler ServerStopped;
  34
  35         internal void RaiseStoppedEvent()
  36         {
  37             IsStopped = true;
  38             ServerStopped?.Invoke(this, EventArgs.Empty);
  39         }
  40
  41         /// <summary>
  42         /// Occurs when the playback state is updated.
  43         /// </summary>
  44         /// <since_tizen> 4 </since_tizen>
  45         public event EventHandler<PlaybackStateUpdatedEventArgs> PlaybackStateUpdated;
  46
  47         private PlaybackStateUpdatedEventArgs CreatePlaybackUpdatedEventArgs(IntPtr playbackHandle)
  48         {
  49             try
  50             {
  51                 Native.GetPlaybackState(playbackHandle, out var playbackCode).ThrowIfError("Failed to get state.");
  52
  53                 Native.GetPlaybackPosition(playbackHandle, out var position).ThrowIfError("Failed to get position.");
  54
  55                 return new PlaybackStateUpdatedEventArgs(playbackCode.ToPublic(), (long)position);
  56             }
  57             catch (Exception e)
  58             {
  59                 Log.Error(GetType().FullName, e.ToString());
  60             }
  61             return null;
  62         }
  63
  64         internal void RaisePlaybackUpdatedEvent(IntPtr playbackHandle)
  65         {
  66             var eventHandler = PlaybackStateUpdated;
  67
  68             if (eventHandler == null)
  69             {
  70                 return;
  71             }
  72
  73             var args = CreatePlaybackUpdatedEventArgs(playbackHandle);
  74
  75             if (args != null)
  76             {
  77                 eventHandler.Invoke(this, args);
  78             }
  79         }
  80
  81         /// <summary>
  82         /// Occurs when the metadata is updated.
  83         /// </summary>
  84         /// <since_tizen> 4 </since_tizen>
  85         public event EventHandler<MetadataUpdatedEventArgs> MetadataUpdated;
  86
  87         private MetadataUpdatedEventArgs CreateMetadataUpdatedEventArgs(IntPtr metadataHandle)
  88         {
  89             try
  90             {
  91                 return new MetadataUpdatedEventArgs(new MediaControlMetadata(metadataHandle));
  92             }
  93             catch (Exception e)
  94             {
  95                 Log.Error(GetType().FullName, e.ToString());
  96             }
  97             return null;
  98         }
  99
 100         internal void RaiseMetadataUpdatedEvent(IntPtr metadataHandle)
 101         {
 102             var eventHandler = MetadataUpdated;
 103
 104             if (eventHandler == null)
 105             {
 106                 return;
 107             }
 108
 109             var args = CreateMetadataUpdatedEventArgs(metadataHandle);
 110
 111             if (args != null)
 112             {
 113                 eventHandler.Invoke(this, args);
 114             }
 115         }
 116
 117         /// <summary>
 118         /// Occurs when the shuffle mode is updated.
 119         /// </summary>
 120         /// <since_tizen> 4 </since_tizen>
 121         public event EventHandler<ShuffleModeUpdatedEventArgs> ShuffleModeUpdated;
 122
 123         internal void RaiseShuffleModeUpdatedEvent(MediaControllerNativeShuffleMode mode)
 124         {
 125             ShuffleModeUpdated?.Invoke(this, new ShuffleModeUpdatedEventArgs(mode == MediaControllerNativeShuffleMode.On));
 126         }
 127
 128         /// <summary>
 129         /// Occurs when the repeat mode is updated.
 130         /// </summary>
 131         /// <since_tizen> 4 </since_tizen>
 132         public event EventHandler<RepeatModeUpdatedEventArgs> RepeatModeUpdated;
 133
 134         internal void RaiseRepeatModeUpdatedEvent(MediaControlRepeatMode mode)
 135         {
 136             RepeatModeUpdated?.Invoke(this, new RepeatModeUpdatedEventArgs(mode));
 137         }
 138
 139         /// <summary>
 140         /// Occurs when the playlist is updated.
 141         /// </summary>
 142         /// <since_tizen> 5 </since_tizen>
 143         public event EventHandler<PlaylistUpdatedEventArgs> PlaylistUpdated;
 144
 145         internal void RaisePlaylistUpdatedEvent(MediaControlPlaylistMode mode, string name)
 146         {
 147             PlaylistUpdated?.Invoke(this, new PlaylistUpdatedEventArgs(mode, name));
 148         }
 149
 150         /// <summary>
 151         /// Occurs when the command is completed.
 152         /// </summary>
 153         /// <remarks>
 154         /// User can match the command and this event using <see cref="CommandCompletedEventArgs.RequestId"/> field.
 155         /// </remarks>
 156         /// <since_tizen> 5 </since_tizen>
 157         internal event EventHandler<CommandCompletedEventArgs> CommandCompleted;
 158
 159         internal void RaiseCommandCompletedEvent(string requestId, MediaControllerError result, IntPtr bundleHandle)
 160         {
 161             if (bundleHandle != IntPtr.Zero)
 162             {
 163                 CommandCompleted?.Invoke(this, new CommandCompletedEventArgs(requestId, result, new Bundle(new SafeBundleHandle(bundleHandle, true))));
 164             }
 165             else
 166             {
 167                 CommandCompleted?.Invoke(this, new CommandCompletedEventArgs(requestId, result));
 168             }
 169         }
 170     }
 171 }