/// <remarks>
/// This method is thread safe.
/// </remarks>
public void ReleaseSync(IChatView chatView)
{
Trace.Call(chatView);
if (chatView == null)
{
throw new ArgumentNullException("chatView");
}
var chatKey = GetChatKey(chatView.ChatModel);
#if LOG4NET
Logger.Debug("ReleaseSync() <" + chatKey + "> releasing " +
"<" + chatView.ID + ">");
#endif
lock (SyncReleaseQueue) {
SyncReleaseQueue.Add(chatKey, chatView);
}
AutoResetEvent syncWait = null;
lock (SyncWaitQueue) {
SyncWaitQueue.TryGetValue(chatKey, out syncWait);
}
// release the sync worker
syncWait.Set();
}
void OnChatSynced(IChatView chatView)
{
if (ChatSynced != null)
{
ChatSynced(this, new ChatViewSyncedEventArgs(chatView));
}
}
public ChatPresenter(ChatView chatView, ChatDao dao)
{
Logger.debug("Initalizing Chat Presenter.", origin: "ChatMail.ChatPresenter");
m_chatView = chatView;
m_chatDao = dao;
Login();
m_chatView.ShowUsername(m_currentUserDisplayname);
}
public TabCycleNickCompleter()
{
PreviousNicks = null;
PreviousNickIndex = -1;
PreviousMatchPos = -1;
PreviousMatchLength = -1;
PreviousMatchCursorOffset = 0;
PreviousChatView = null;
}
/// <summary>
/// Sets the view.
/// </summary>
/// <returns>The view.</returns>
/// <param name="view">View.</param>
public void SetView(IChatView view)
{
_view = view;
_signalRClient.OnDataReceived -= HandleSignalRDataReceived;
_signalRClient.OnDataReceived += HandleSignalRDataReceived;
ChatReceived -= HandleChatReceived;
ChatReceived += HandleChatReceived;
}
private void CreateAndSubscribeToChatWindow()
{
chatView = UICreator
.GetInstance()
.Create <ChatWindow>();
if (chatView != null)
{
chatView.FocusChanged += OnFocusChanged;
chatView.MessageAdded += OnMessageAdded;
}
}
void SyncWorker(ChatModel chatModel)
{
try {
var chatKey = GetChatKey(chatModel);
AutoResetEvent syncWait = null;
lock (SyncWaitQueue) {
SyncWaitQueue.TryGetValue(chatKey, out syncWait);
}
if (syncWait != null)
{
#if LOG4NET
Logger.Debug("SyncWorker() <" + chatKey + "> waiting for " +
"sync lock release...");
#endif
// This chat was queued by QueueAdd() thus we need to wait
// till the ChatView is created and ready to be synced
syncWait.WaitOne();
#if LOG4NET
Logger.Debug("SyncWorker() <" + chatKey + "> " +
"sync lock released");
#endif
// no longer need the sync lock
lock (SyncWaitQueue) {
SyncWaitQueue.Remove(chatKey);
}
}
IChatView chatView = null;
lock (SyncReleaseQueue) {
if (!SyncReleaseQueue.TryGetValue(chatKey, out chatView))
{
#if LOG4NET
Logger.Warn("SyncWorker(): chatView is null! " +
"probably a reconnect, bailing out...");
#endif
return;
}
// no longer need the release slot
// BUG: this breaks re-syncing an existing chat! For that
// reason the frontend _must_ notify us via Remove() if the
// chat sync state is no longer needed
//SyncReleaseQueue.Remove(chatKey);
}
Sync(chatView);
} catch (Exception ex) {
#if LOG4NET
Logger.Error("SyncWorker(): Exception!", ex);
#endif
OnWorkerException(chatModel, ex);
}
}
public ChatViewModel(IChatView view, Model.ChatClient model)
{
Model = model;
_view = view;
_view.DataContext = this;
SelectedUser = null;
Tabs = new ObservableCollection <ClosableTab>();
SendCommand = new RelayCommand(SendCommand_Execute, Send_CanExecute);
OpenTabCommand = new RelayCommand(OpenTabCommand_Execute);
_view.CloseHandler += _view_Closing;
Model.PrivateMessage += PrivateMessageHandler;
ResourceDictionary myResourceDictionary = new ResourceDictionary();
myResourceDictionary.Source = new Uri("Styles.xaml", UriKind.Relative);
Application.Current.Resources.MergedDictionaries.Add(myResourceDictionary);
AddLobbyTab();
}
public MessagesViewModel(IServiceProvider provider, string contactGuid, IChatView messageThreadView)
{
this._contactId = contactGuid;
this.logger = provider.Get <ILoggerFactory>().CreateLogger <MessagesViewModel>();
this._repo = provider.Get <AppRepository>();
this._messagesLoader = new MessagesLoader(this._repo, contactGuid);
this._messageThreadView = messageThreadView;
this._encryptionService = provider.Get <IChatEncryptionService>();
this._unreadManager = provider.Get <UnreadManager>();
this._contactListManager = provider.Get <ContactListManager>();
this._chatClient = provider.Get <IChatClient>();
this._chatWorker = provider.Get <ChatWorker>();
this._chatWorker.SendMessageStateUpdated += (sender, message) => this._messageThreadView.UpdateSendMessageStateFromBackgroundThread(message);
this._chatWorker.IncomingMessageDecrypted += async(sender, message) => await AddIncomingDecryptedMessageFromChatworker(message);
}
public void CommandGenerateMessages(CommandModel cmd, IChatView chat)
{
Trace.Call(cmd, chat);
var count = 0;
Int32.TryParse(cmd.Parameter, out count);
var builder = new MessageBuilder();
var sender = new ContactModel("msg-tester", "msg-tester", "test", "test");
builder.AppendMessage(sender, "time for a messsage generator command so I can test speed and memory usage");
var text = builder.CreateText(" *formatted text* ");
text.Bold = true;
builder.Append(text);
builder.AppendUrl("https://www.smuxi.org/");
var msgs = new List <MessageModel>(count);
for (var i = 0; i < count; i++)
{
var msg = builder.ToMessage();
msgs.Add(msg);
}
DateTime start, stop;
start = DateTime.UtcNow;
foreach (var msg in msgs)
{
chat.AddMessage(msg);
}
stop = DateTime.UtcNow;
builder = new MessageBuilder();
builder.AppendText(
"IChatView.AddMessage(): count: {0} took: {1:0} ms avg: {2:0.00} ms",
count,
(stop - start).TotalMilliseconds,
(stop - start).TotalMilliseconds / count
);
chat.AddMessage(builder.ToMessage());
}
void SyncWorker(ChatModel chatModel)
{
try {
var chatKey = GetChatKey(chatModel);
AutoResetEvent syncWait = null;
lock (SyncWaitQueue) {
SyncWaitQueue.TryGetValue(chatKey, out syncWait);
}
if (syncWait != null)
{
#if LOG4NET
Logger.Debug("SyncWorker() <" + chatKey + "> waiting for " +
"sync lock release...");
#endif
// This chat was queued by QueueAdd() thus we need to wait
// till the ChatView is created and ready to be synced
syncWait.WaitOne();
#if LOG4NET
Logger.Debug("SyncWorker() <" + chatKey + "> " +
"sync lock released");
#endif
// no longer need the sync lock
lock (SyncWaitQueue) {
SyncWaitQueue.Remove(chatKey);
}
}
IChatView chatView = null;
lock (SyncReleaseQueue) {
SyncReleaseQueue.TryGetValue(chatKey, out chatView);
}
Sync(chatView);
} catch (Exception ex) {
#if LOG4NET
Logger.Error("SyncWorker(): Exception!", ex);
#endif
}
}
public void Sync(IChatView chatView)
{
Trace.Call(chatView);
if (chatView == null)
{
throw new ArgumentNullException("chatView");
}
#if LOG4NET
DateTime start = DateTime.UtcNow;
#endif
chatView.Sync();
#if LOG4NET
DateTime stop = DateTime.UtcNow;
double duration = stop.Subtract(start).TotalMilliseconds;
Logger.Debug("Sync() <" + chatView.ID + ">.Sync() done, " +
" syncing took: " + Math.Round(duration) + " ms");
#endif
OnChatSynced(chatView);
}
public void Sync(IChatView chatView)
{
Trace.Call(chatView);
if (chatView == null) {
throw new ArgumentNullException("chatView");
}
#if LOG4NET
DateTime start = DateTime.UtcNow;
#endif
chatView.Sync();
#if LOG4NET
DateTime stop = DateTime.UtcNow;
double duration = stop.Subtract(start).TotalMilliseconds;
Logger.Debug("Sync() <" + chatView.ID + ">.Sync() done, " +
" syncing took: " + Math.Round(duration) + " ms");
#endif
OnChatSynced(chatView);
}
/// <remarks>
/// This method is thread safe.
/// </remarks>
public void ReleaseSync(IChatView chatView)
{
Trace.Call(chatView);
if (chatView == null) {
throw new ArgumentNullException("chatView");
}
var chatKey = GetChatKey(chatView.ChatModel);
#if LOG4NET
Logger.Debug("ReleaseSync() <" + chatKey + "> releasing " +
"<" + chatView.ID + ">");
#endif
lock (SyncReleaseQueue) {
SyncReleaseQueue.Add(chatKey, chatView);
}
AutoResetEvent syncWait = null;
lock (SyncWaitQueue) {
SyncWaitQueue.TryGetValue(chatKey, out syncWait);
}
if (syncWait == null) {
#if LOG4NET
Logger.Error("ReleaseSync(<" + chatView.ID + ">): failed to release " +
"<" + chatKey + "> as syncWait is null!");
#endif
return;
}
// release the sync worker
syncWait.Set();
}
public ChatPresenter(IChatView view, INavigationService navigationService)
{
_view = view;
_view.Login += (s, e) => navigationService.NavigateTo("Login");
}
public void CommandGenerateMessages(CommandModel cmd, IChatView chat)
{
Trace.Call(cmd, chat);
var count = 0;
Int32.TryParse(cmd.Parameter, out count);
var builder = new MessageBuilder();
var sender = new ContactModel("msg-tester", "msg-tester", "test", "test");
builder.AppendMessage(sender, "time for a messsage generator command so I can test speed and memory usage");
var text = builder.CreateText(" *formatted text* ");
text.Bold = true;
builder.Append(text);
builder.AppendUrl("https://www.smuxi.org/");
var msgs = new List<MessageModel>(count);
for (var i = 0; i < count; i++) {
var msg = builder.ToMessage();
msgs.Add(msg);
}
DateTime start, stop;
start = DateTime.UtcNow;
foreach (var msg in msgs) {
chat.AddMessage(msg);
}
stop = DateTime.UtcNow;
builder = new MessageBuilder();
builder.AppendText(
"IChatView.AddMessage(): count: {0} took: {1:0} ms avg: {2:0.00} ms",
count,
(stop - start).TotalMilliseconds,
(stop - start).TotalMilliseconds / count
);
chat.AddMessage(builder.ToMessage());
}
public override void Complete(ref string entryLine, ref int cursorPosition, IChatView currentChatView)
{
// isolate the nick to complete
int matchPosition;
bool appendSpace, leadingAt;
string matchMe = IsolateNickToComplete(entryLine, cursorPosition, out matchPosition, out appendSpace, out leadingAt);
int rematchCursorPosition = PreviousMatchPos + PreviousMatchLength + PreviousMatchCursorOffset;
if (PreviousNickIndex != -1 && currentChatView == PreviousChatView && cursorPosition == rematchCursorPosition &&
InitialMatch != null && (matchMe.Length == 0 || matchMe.StartsWith(InitialMatch)))
{
// re-match
PreviousNickIndex = (PreviousNickIndex + 1) % PreviousNicks.Count;
string nick = PreviousNicks [PreviousNickIndex];
string prefix = entryLine.Substring(0, PreviousMatchPos);
string suffix = entryLine.Substring(PreviousMatchPos + PreviousMatchLength);
PreviousMatchLength = nick.Length;
entryLine = prefix + nick + suffix;
cursorPosition = PreviousMatchPos + PreviousMatchLength + PreviousMatchCursorOffset;
return;
}
// store this to check for re-matches
InitialMatch = matchMe;
// don't re-match even if the user moves the cursor back to the "correct" position
PreviousNickIndex = -1;
// don't complete empty strings
if (matchMe.Length == 0)
{
return;
}
bool appendCompletionChar = (matchPosition == 0);
int additionalSteps = 0;
// find the matching nicknames
IList <string> nicks = NicksMatchingPrefix(currentChatView.Participants, matchMe);
if (nicks.Count == 0)
{
// no matches; do nothing
return;
}
else
{
// bingo!
string nick = nicks [0];
// store the new values for the next completion
PreviousNicks = nicks;
PreviousNickIndex = 0;
PreviousMatchPos = matchPosition;
PreviousMatchLength = nick.Length;
PreviousChatView = currentChatView;
// suppress the completion character if we had an @
if (leadingAt)
{
appendCompletionChar = false;
}
// find the beginning and end of the string
string prefix = entryLine.Substring(0, matchPosition);
string suffix = entryLine.Substring(matchPosition + matchMe.Length);
// append the completion character and a space, if requested
if (appendSpace)
{
suffix = ' ' + suffix;
++additionalSteps;
}
if (appendCompletionChar)
{
suffix = CompletionChar + suffix;
++additionalSteps;
}
// assemble the line and move the cursor
entryLine = prefix + nick + suffix;
cursorPosition = matchPosition + nick.Length + additionalSteps;
PreviousMatchCursorOffset = additionalSteps;
}
}
/// <summary> /// Performs nickname tab completion on the specified input. /// </summary> /// <param name="entryLine">The text currently typed into the input text box.</param> /// <param name="cursorPosition"> /// The current location of the cursor in the input text box. Equal to the index of the /// character after the current cursor position. /// </param> /// <param name="currentChatView"> /// The current chat view. The list of participants is fetched from it; the completer may /// also append messages to the chat to provide further information. /// </param> public abstract void Complete(ref string entryLine, ref int cursorPosition, IChatView currentChatView);
/// <summary> /// Performs nickname tab completion on the specified input. /// </summary> /// <param name="entryLine">The text currently typed into the input text box.</param> /// <param name="cursorPosition"> /// The current location of the cursor in the input text box. Equal to the index of the /// character after the current cursor position. /// </param> /// <param name="currentChatView"> /// The current chat view. The list of participants is fetched from it; the completer may /// also append messages to the chat to provide further information. /// </param> abstract public void Complete(ref string entryLine, ref int cursorPosition, IChatView currentChatView);
public ChatViewSyncedEventArgs(IChatView chatView)
{
ChatView = chatView;
}
public ClientCommandProcessor()
{
chatView = IocContainer.Resolve <IChatView>();
chatClient = IocContainer.Resolve <IChatClient>();
chatClient.ConnectionRequested += ChatClient_ConnectionRequested;
}
void OnChatSynced(IChatView chatView)
{
if (ChatSynced != null) {
ChatSynced(this, new ChatViewSyncedEventArgs(chatView));
}
}
public override void Complete(ref string entryLine, ref int cursorPosition, IChatView currentChatView)
{
// isolate the nick to complete
int matchPosition;
bool appendSpace, leadingAt;
string matchMe = IsolateNickToComplete(entryLine, cursorPosition, out matchPosition, out appendSpace, out leadingAt);
bool appendCompletionChar = (matchPosition == 0);
int additionalSteps = 0;
// find the matching nicknames
var nicks = NicksMatchingPrefix(currentChatView.Participants, matchMe);
if (nicks.Count == 0)
{
// no matches; do nothing
return;
}
else if (nicks.Count == 1)
{
// bingo!
string nick = nicks [0];
// suppress the completion character if we had an @
if (leadingAt)
{
appendCompletionChar = false;
}
// find the beginning and end of the string
string prefix = entryLine.Substring(0, matchPosition);
string suffix = entryLine.Substring(matchPosition + matchMe.Length);
// append the completion character and a space, if requested
if (appendSpace)
{
suffix = ' ' + suffix;
++additionalSteps;
}
if (appendCompletionChar)
{
suffix = CompletionChar + suffix;
++additionalSteps;
}
// assemble the line and move the cursor
entryLine = prefix + nick + suffix;
cursorPosition = matchPosition + nick.Length + additionalSteps;
}
else
{
// find the longest common prefix
string lcp = LongestCommonPrefix(nicks);
// assemble nickname string
string nickString = string.Join(" ", nicks.ToArray());
// output the matched prefixes
currentChatView.AddMessage(
new MessageModel(String.Format("-!- {0}", nickString))
);
// extend to the longest match
string prefix = entryLine.Substring(0, matchPosition);
string suffix = entryLine.Substring(matchPosition + matchMe.Length);
// assemble the line and move the cursor
entryLine = prefix + lcp + suffix;
cursorPosition = matchPosition + lcp.Length;
}
}
public ChatViewSyncedEventArgs(IChatView chatView)
{
ChatView = chatView;
}
public override void Complete(ref string entryLine, ref int cursorPosition, IChatView currentChatView)
{
// isolate the nick to complete
int matchPosition;
bool appendSpace, leadingAt;
string matchMe = IsolateNickToComplete(entryLine, cursorPosition, out matchPosition, out appendSpace, out leadingAt);
bool appendCompletionChar = (matchPosition == 0);
int additionalSteps = 0;
// find the matching nicknames
var nicks = NicksMatchingPrefix(currentChatView.Participants, matchMe);
if (nicks.Count == 0) {
// no matches; do nothing
return;
} else if (nicks.Count == 1) {
// bingo!
string nick = nicks [0];
// suppress the completion character if we had an @
if (leadingAt) {
appendCompletionChar = false;
}
// find the beginning and end of the string
string prefix = entryLine.Substring(0, matchPosition);
string suffix = entryLine.Substring(matchPosition + matchMe.Length);
// append the completion character and a space, if requested
if (appendSpace) {
suffix = ' ' + suffix;
++additionalSteps;
}
if (appendCompletionChar) {
suffix = CompletionChar + suffix;
++additionalSteps;
}
// assemble the line and move the cursor
entryLine = prefix + nick + suffix;
cursorPosition = matchPosition + nick.Length + additionalSteps;
} else {
// find the longest common prefix
string lcp = LongestCommonPrefix(nicks);
// assemble nickname string
string nickString = string.Join(" ", nicks.ToArray());
// output the matched prefixes
currentChatView.AddMessage(
new MessageModel(String.Format("-!- {0}", nickString))
);
// extend to the longest match
string prefix = entryLine.Substring(0, matchPosition);
string suffix = entryLine.Substring(matchPosition + matchMe.Length);
// assemble the line and move the cursor
entryLine = prefix + lcp + suffix;
cursorPosition = matchPosition + lcp.Length;
}
}
public override void Complete(ref string entryLine, ref int cursorPosition, IChatView currentChatView)
{
// isolate the nick to complete
int matchPosition;
bool appendSpace, leadingAt;
string matchMe = IsolateNickToComplete(entryLine, cursorPosition, out matchPosition, out appendSpace, out leadingAt);
int rematchCursorPosition = PreviousMatchPos + PreviousMatchLength + PreviousMatchCursorOffset;
if (PreviousNickIndex != -1 && currentChatView == PreviousChatView && cursorPosition == rematchCursorPosition) {
// re-match
PreviousNickIndex = (PreviousNickIndex + 1) % PreviousNicks.Count;
string nick = PreviousNicks [PreviousNickIndex];
string prefix = entryLine.Substring(0, PreviousMatchPos);
string suffix = entryLine.Substring(PreviousMatchPos + PreviousMatchLength);
PreviousMatchLength = nick.Length;
entryLine = prefix + nick + suffix;
cursorPosition = PreviousMatchPos + PreviousMatchLength + PreviousMatchCursorOffset;
return;
}
// don't re-match even if the user moves the cursor back to the "correct" position
PreviousNickIndex = -1;
// don't complete empty strings
if (matchMe.Length == 0) {
return;
}
bool appendCompletionChar = (matchPosition == 0);
int additionalSteps = 0;
// find the matching nicknames
IList<string> nicks = NicksMatchingPrefix(currentChatView.Participants, matchMe);
if (nicks.Count == 0) {
// no matches; do nothing
return;
} else {
// bingo!
string nick = nicks [0];
// store the new values for the next completion
PreviousNicks = nicks;
PreviousNickIndex = 0;
PreviousMatchPos = matchPosition;
PreviousMatchLength = nick.Length;
PreviousChatView = currentChatView;
// suppress the completion character if we had an @
if (leadingAt) {
appendCompletionChar = false;
}
// find the beginning and end of the string
string prefix = entryLine.Substring(0, matchPosition);
string suffix = entryLine.Substring(matchPosition + matchMe.Length);
// append the completion character and a space, if requested
if (appendSpace) {
suffix = ' ' + suffix;
++additionalSteps;
}
if (appendCompletionChar) {
suffix = CompletionChar + suffix;
++additionalSteps;
}
// assemble the line and move the cursor
entryLine = prefix + nick + suffix;
cursorPosition = matchPosition + nick.Length + additionalSteps;
PreviousMatchCursorOffset = additionalSteps;
}
}
public ChatPresenter(IChatView view)
{
this.view = view;
interactor = new ChatInteractor(this);
}