public async Task InitializeAsync()
{
const string SettingsPushTokenKey = "PushToken";
string pushToken = (string)ApplicationData.Current.LocalSettings.Values[SettingsPushTokenKey];
_realtimeSession = new WMSession(WebimAccount, WebimLocation, null);
await _realtimeSession.StartSessionAsync();
_offlineSession = new WMOfflineSession(WebimAccount, WebimLocation, pushToken, null);
await _offlineSession.Initialize();
Initialized = true;
if (RealtimeSessionInitialized != null)
{
RealtimeSessionInitialized();
}
if (OfflineSessionInitialized != null)
{
OfflineSessionInitialized();
}
try
{
_pushNotificationChannel = await PushNotificationChannelManager.CreatePushNotificationChannelForApplicationAsync();
if (_pushNotificationChannel != null && !String.IsNullOrEmpty(_pushNotificationChannel.Uri))
{
if (string.IsNullOrEmpty(pushToken) || !pushToken.Equals(_pushNotificationChannel.Uri))
{
await _realtimeSession.SetDeviceTokenAsync(_pushNotificationChannel.Uri);
ApplicationData.Current.LocalSettings.Values[SettingsPushTokenKey] = _pushNotificationChannel.Uri;
}
}
} catch (Exception) {}
}
public async Task InitializeAsync()
{
const string SettingsPushTokenKey = "PushToken";
string pushToken = (string)ApplicationData.Current.LocalSettings.Values[SettingsPushTokenKey];
_realtimeSession = new WMSession(WebimAccount, WebimLocation, null);
await _realtimeSession.StartSessionAsync();
_offlineSession = new WMOfflineSession(WebimAccount, WebimLocation, pushToken, null);
await _offlineSession.Initialize();
Initialized = true;
if (RealtimeSessionInitialized != null)
{
RealtimeSessionInitialized();
}
if (OfflineSessionInitialized != null)
{
OfflineSessionInitialized();
}
try
{
_pushNotificationChannel = await PushNotificationChannelManager.CreatePushNotificationChannelForApplicationAsync();
if (_pushNotificationChannel != null && !String.IsNullOrEmpty(_pushNotificationChannel.Uri))
{
if (string.IsNullOrEmpty(pushToken) || !pushToken.Equals(_pushNotificationChannel.Uri))
{
await _realtimeSession.SetDeviceTokenAsync(_pushNotificationChannel.Uri);
ApplicationData.Current.LocalSettings.Values[SettingsPushTokenKey] = _pushNotificationChannel.Uri;
}
}
} catch (Exception) {}
}
void MaybeReloadMessagesForSession(WMSession session)
{
if (session.Chat != null && session.Chat.Messages != null)
{
ObservableCollection<WMMessage> collection = new ObservableCollection<WMMessage>(session.Chat.Messages);
_realtimeMessagesModel.Messages = collection;
}
else
{
_realtimeMessagesModel.Messages.Clear();
}
}
void RealtimeScrollToLastestMessage(WMSession session)
{
if (session.Chat != null && session.Chat.Messages != null)
{
var selectedItemIndex = session.Chat.Messages.Count - 1;
if (selectedItemIndex < 0)
{
return;
}
RealtimeChatListView.SelectedIndex = selectedItemIndex;
RealtimeChatListView.UpdateLayout();
RealtimeChatListView.ScrollIntoView(RealtimeChatListView.SelectedItem);
}
}
void session_SessionDidReceiveError(WMSession session, WMBaseSession.WMSessionError errorID)
{
UpdateCommandBarButtonsStates();
}
void session_SessionDidChangeSessionStatus(WMSession session)
{
MaybeReloadMessagesForSession(session);
UpdateCommandBarButtonsStates();
}
void session_SessionDidReceiveFullUpdate(WMSession session)
{
MaybeReloadMessagesForSession(session);
UpdateCommandBarButtonsStates();
}
void session_SessionDidReceiveMessage(WMSession session, WMMessage message)
{
MaybeReloadMessagesForSession(session);
RealtimeScrollToLastestMessage(session);
}
void session_SessionDidStartChat(WMSession session, WMChat chat)
{
MaybeReloadMessagesForSession(session);
UpdateCommandBarButtonsStates();
}
void session_SessionDidUpdateOperator(WMSession session, WMOperator chatOperator)
{
}
private bool IsChatClosed(WMSession session)
{
return session.Chat == null ||
session.Chat.State == WMChat.WMChatState.WMChatStateUnknown ||
session.Chat.State == WMChat.WMChatState.WMChatStateClosed ||
session.Chat.State == WMChat.WMChatState.WMChatStateClosedByVisitor;
}
