public ConversationViewModel(AVIMConversation avConversation)
: this()
{
this._avConversation = avConversation;
this._avConversation.PropertyChanged += _avConversation_PropertyChanged;
RefreshUI();
}
public Conversation()
{
InitializeComponent();
DataContext = App.ViewModel.SelectedConversationVM;
conversation = App.ViewModel.SelectedConversationVM.AVConversation;
messages = App.ViewModel.SelectedConversationVM.Messages;
conversation.OnMessageReceived += AVConversation_OnMessageRecieved;
conversation.OnTextMessageReceived += conversation_OnTextMessageReceived;
conversation.OnImageMessageReceived += conversation_OnImageMessageReceived;
}
private async void selfClient_OnMessageReceieved(object sender, AVIMOnMessageReceivedEventArgs e)
{
var flag = currentConversation != null;
await e.Conversation.FetchAsync();
currentConversation = await selfClient.GetQuery().GetAsync(e.Conversation.ConversationId);
if (flag)
{
flag = e.Conversation.ConversationId == currentConversation.ConversationId;
}
if (flag)
{
RefreshUI(() =>
{
CacheMessage(e.Conversation, e.Message);
});
}
else
{
CacheMessage(e.Conversation, e.Message);
}
}
private void lbx_conversations_SelectedIndexChanged(object sender, EventArgs e)
{
var selection = (AVIMConversation)lbx_conversations.SelectedItem;
currentConversation = selection;
membersInConversation = new BindingList<string>(selection.MemberIds);
lbx_members.DataSource = membersInConversation;
if (!historyDictionary.ContainsKey(selection.ConversationId))
{
historyDictionary.Add(selection.ConversationId, new BindingList<string>());
}
lbx_history.DataSource = historyDictionary[selection.ConversationId];
Log("当前选择对话为： " + selection.Name + ",对话最后更新的时间为：" + selection.UpdatedAt.Value.ToShortTimeString());
}
private void CacheMessage(AVIMConversation conversation, AVIMMessage message)
{
if (historyDictionary == null)
{
historyDictionary = new Dictionary<string, BindingList<string>>();
}
var record = message.FromClientId + ": " + EscapedMessage(message);
if (historyDictionary.ContainsKey(conversation.ConversationId))
{
historyDictionary[conversation.ConversationId].Add(record);
}
else
{
var history = new BindingList<string>();
history.Add(record);
historyDictionary.Add(conversation.ConversationId, history);
}
RefreshUI(() =>
{
Log("收到 " + message.FromClientId + " 发送的消息；");
});
}
internal static AVIMOnMembersChangedEventArgs GenerateConversationMembersChangedArgs(IDictionary<string, object> e, List<Tuple<object, EventHandler<AVIMOnMembersChangedEventArgs>>> eventHandlers)
{
AVIMConversation conversation = new AVIMConversation
{
ConversationId = e.CaptureValueFromDictionary<string>("cid")
};
AVIMOnMembersChangedEventArgs aVIMOnMembersChangedEventArgs = null;
GenerateAVIMOnMembersChangedEventArgs[] array = new GenerateAVIMOnMembersChangedEventArgs[]
{
(IDictionary<string, object> e1) => new AVIMOnMembersChangedEventArgs
{
Conversation = conversation,
AffectedType = AVIMConversationEventType.Joined,
Oprator = e.CaptureValueFromDictionary<string>("initBy"),
AffectedMembers = null
},
(IDictionary<string, object> e2) => new AVIMOnMembersChangedEventArgs
{
Conversation = conversation,
AffectedType = AVIMConversationEventType.Left,
Oprator = e.CaptureValueFromDictionary<string>("initBy"),
AffectedMembers = null
},
(IDictionary<string, object> e3) => new AVIMOnMembersChangedEventArgs
{
Conversation = conversation,
AffectedType = AVIMConversationEventType.MembersJoined,
Oprator = e.CaptureValueFromDictionary<string>("initBy"),
AffectedMembers = e.CaptureListFromDictionary<string>("m")
},
(IDictionary<string, object> e4) => new AVIMOnMembersChangedEventArgs
{
Conversation = conversation,
AffectedType = AVIMConversationEventType.MembersLeft,
Oprator = e.CaptureValueFromDictionary<string>("initBy"),
AffectedMembers = e.CaptureListFromDictionary<string>("m")
},
(IDictionary<string, object> e5) => new AVIMOnMembersChangedEventArgs
{
Conversation = conversation,
AffectedType = AVIMConversationEventType.Invited,
Oprator = e.CaptureValueFromDictionary<string>("initBy")
},
(IDictionary<string, object> e6) => new AVIMOnMembersChangedEventArgs
{
Conversation = conversation,
AffectedType = AVIMConversationEventType.Kicked,
Oprator = e.CaptureValueFromDictionary<string>("initBy")
}
};
string[] array2 = new string[]
{
"joined",
"left",
"members-joined",
"members-left",
"added",
"removed"
};
string text = e.CaptureValueFromDictionary<string>("op");
int num = Array.IndexOf<string>(array2, text);
if (num > 0)
{
GenerateAVIMOnMembersChangedEventArgs generateAVIMOnMembersChangedEventArgs = array[num];
aVIMOnMembersChangedEventArgs = generateAVIMOnMembersChangedEventArgs(e);
if (eventHandlers != null)
{
Tuple<object, EventHandler<AVIMOnMembersChangedEventArgs>> tuple = eventHandlers[num];
if (tuple != null && tuple.Item2 != null)
{
tuple.Item2.Invoke(eventHandlers[num].Item1, aVIMOnMembersChangedEventArgs);
}
}
}
return aVIMOnMembersChangedEventArgs;
}