public void DoWork ()
{
db = new DataBaseWrapper (Resources);
network = new AsyncNetwork ();
network.SetBackgroundService (this);
user = db.Table<User>().FirstOrDefault ();
var connectivityManager = (ConnectivityManager)GetSystemService(ConnectivityService);
if (user != null && user.user != null) {
var t = new Thread (async () => {
while (true) {
Setting.Frequency f = db.Table<Setting>().FirstOrDefault().Synchronisation;
if (f != Setting.Frequency.wlan || connectivityManager.GetNetworkInfo(ConnectivityType.Wifi).GetState() == NetworkInfo.State.Connected) {
while(!await network.UpdateEvents (db, user)) {
await network.Authenticate(db, user);
}
}
// Wifi connection gets normal updates, other networks get 4 times worse update time.
if (connectivityManager.GetNetworkInfo(ConnectivityType.Wifi).GetState() == NetworkInfo.State.Connected)
{
connectivityMode = 1;
} else {
connectivityMode = 4;
}
switch(f) {
case Setting.Frequency.often:
Mode = 1;
break;
case Setting.Frequency.normal:
Mode = 2;
break;
case Setting.Frequency.rare:
Mode = 4;
break;
case Setting.Frequency.wlan:
Mode = 2;
break;
}
Thread.Sleep (UpdateInterval * Mode* connectivityMode);
if (UpdateInterval < 12000) {
UpdateInterval += 1000;
} else if (UpdateInterval < 30000) {
UpdateInterval += 2000;
} else {
UpdateInterval = 120000;
}
}
}
);
t.Start ();
} else {
StopSelf ();
}
}
protected override void OnCreate (Bundle bundle)
{
db = new DataBaseWrapper (this.Resources);
if ((setting = db.Table<Setting> ().FirstOrDefault ()) == null) {
db.Insert(setting = new Setting ());
}
StartupTheme = setting.Theme;
SetTheme (setting.Theme);
base.OnCreate (bundle);
SetContentView (Resource.Layout.ChatActivity);
conversation = Intent.GetStringExtra ("conversation");
chat = db.Get<Chat> (conversation);
visibleMessages = chat.VisibleMessages;
if (visibleMessages <= 0) {
visibleMessages = setting.VisibleMessages;
}
if (visibleMessages <= 0) {
visibleMessages = 30;
}
Title = chat.name;
ActionBar.SetDisplayHomeAsUpEnabled(true);
ActionBar.SetIcon (Resource.Drawable.Icon);
user = db.Table<User>().FirstOrDefault ();
Button send = FindViewById<Button> (Resource.Id.send);
send.Click += delegate {
TextView message = FindViewById<TextView> (Resource.Id.message);
var msg = message.Text;
message.Text = "";
if (msg.Equals("")) return;
LinearLayout messageList = FindViewById<LinearLayout> (Resource.Id.messageLayout);
AddMessage(messageList, new Message() {time = "sending", author = "Du", nick = user.user, text = msg, conversation = this.conversation});
ScrollView scrollView = FindViewById<ScrollView> (Resource.Id.messageScrollView);
scrollView.FullScroll (FocusSearchDirection.Down);
scrollView.Post (() => scrollView.FullScroll (FocusSearchDirection.Down));
OnBind();
new Thread(async () => {
while(!await network.SendMessage (db, user, chat, msg)) {
await network.Authenticate(db, user);
}
}).Start();
};
}
protected override void OnCreate (Bundle bundle)
{
db = new DataBaseWrapper (this.Resources);
if ((setting = db.Table<Setting> ().FirstOrDefault ()) == null) {
db.Insert(setting = new Setting ());
}
SetTheme (setting.Theme);
base.OnCreate (bundle);
network = new AsyncNetwork ();
db = new DataBaseWrapper (this.Resources);
user = db.Table<User>().FirstOrDefault ();
if (setting.FontSize == Setting.Size.large) {
SetContentView (Resource.Layout.SettingsLarge);
} else {
SetContentView (Resource.Layout.Settings);
}
InitializeView();
}
public Task<bool> UpdateHistory(DataBaseWrapper db, User user, Chat chat, int count)
{
string request = String.Format ("\"getHistory\":{{\"conversation\":\"{0}\", \"count\":\"{1}\"}}", chat.conversation, count);
return CommonNetworkOperations (db, request, user, "onGetHistory", arr => {
var msgs = arr ["messages"];
string conversation = arr ["conversation"];
foreach (JsonValue x in msgs) {
try {
var msg = new Message ();
msg.conversation = conversation;
msg.author = x ["author"];
msg.nick = x ["nick"];
msg.text = x ["text"];
msg.time = x ["time"];
db.InsertIfNotContains<Message>(msg);
} catch (Exception e) {
Log.Error ("BlaChat", e.StackTrace);
}
}
});
}
public async Task<bool> InjectEvent(DataBaseWrapper db, User user, Event e)
{
return true;
}
public async Task<bool> Data(DataBaseWrapper db, User user, Chat chat, object data)
{
return true;
}
public async Task<bool> Authenticate(DataBaseWrapper db, User user)
{
string encodedJson = escape (String.Format ("{{\"user\":\"{0}\", \"pw\":\"{1}\"}}", user.user, user.password));
bool success = false;
var result = JsonValue.Parse (await Download (user.server + "/xjcp.php?msg=" + encodedJson));
try {
if (result.ContainsKey ("id")) {
user.id = result ["id"];
db.Update (user);
success = true;
}
} catch (Exception ex) {
Log.Error ("BlaChat", ex.StackTrace);
} finally {
EventHandling (db, result);
}
return success && await EventHandling (db, result) == 0;
}
public async Task<bool> SetGroupImage(DataBaseWrapper db, User user, Chat chat, object image)
{
return true;
}
public Task<bool> SendMessage(DataBaseWrapper db, User user, Chat chat, string message)
{
message = message.Replace ("\\", "\\\\");
message = message.Replace ("\"", "\\\"");
string request = String.Format ("\"message\":{{\"conversation\":\"{0}\", \"message\":\"{1}\"}}", chat.conversation, message);
return CommonNetworkOperations (db, request, user, "onMessage", x => { return; });
}
private void ShowChats(User user) {
TextView placeholder = FindViewById<TextView> (Resource.Id.placeholder);
var x = db.Table<Chat> ();
if (x.Count() > 0) {
placeholder.Visibility = ViewStates.Gone;
} else {
placeholder.Visibility = ViewStates.Visible;
placeholder.Text = "No chats found.";
}
LinearLayout chatList = FindViewById<LinearLayout> (Resource.Id.chatList);
chatList.RemoveAllViews ();
foreach (var elem in x.OrderByDescending(e => e.time)) {
View v;
if (setting.FontSize == Setting.Size.large) {
v = LayoutInflater.Inflate (Resource.Layout.ChatLarge, null);
} else {
v = LayoutInflater.Inflate (Resource.Layout.Chat, null);
}
TextView name = v.FindViewById<TextView>(Resource.Id.chatName);
TextView message = v.FindViewById<TextView>(Resource.Id.chatMessage);
TextView time = v.FindViewById<TextView>(Resource.Id.chatTime);
ImageView image = v.FindViewById<ImageView> (Resource.Id.chatImage);
if (elem.Marked) {
message.SetTextColor(Color.Green);
}
new Thread (async () => {
try {
string conv = elem.conversation;
if (conv.Split(',').Length == 2) {
if (conv.Split(',')[0] == user.user) {
conv = conv.Split(',')[1];
} else {
conv = conv.Split(',')[0];
}
}
var imageBitmap = await network.GetImageBitmapFromUrl(Resources.GetString(Resource.String.profileUrl) + conv + ".png");
RunOnUiThread(() => image.SetImageBitmap(imageBitmap));
} catch (Exception e) {
Log.Error("BlaChat", e.StackTrace);
}
}).Start();
name.TextFormatted = SpannableTools.GetSmiledText (this, new SpannableString(elem.name));
var tmp = db.Table<Message> ().Where (q => q.conversation == elem.conversation).OrderByDescending (q => q.time);
var lastMsg = tmp.FirstOrDefault ();
if (lastMsg != null) {
var escape = lastMsg.text.Replace (""", "\"");
escape = escape.Replace ("<", "<");
escape = escape.Replace (">", ">");
escape = escape.Replace ("&", "&");
if (escape.StartsWith ("#image")) {
escape = "(image)";
} else if (escape.StartsWith ("#video")) {
escape = "(video)";
}
if (lastMsg.nick == user.user) {
message.TextFormatted = SpannableTools.GetSmiledText (this, new SpannableString("Du: " + escape));
} else {
if (elem.conversation.Split (',').Length == 2 && lastMsg.nick != "watchdog") {
message.TextFormatted = SpannableTools.GetSmiledText (this, new SpannableString(escape));
} else {
message.TextFormatted = SpannableTools.GetSmiledText (this, new SpannableString(lastMsg.author + ": " + escape));
}
}
time.Text = TimeConverter.AutoConvert(lastMsg.time);
} else {
time.Text = "";
message.Text = "No message";
}
v.Clickable = true;
v.Click += delegate {
var intent = new Intent (this, typeof(ChatActivity));
intent.PutExtra ("conversation", elem.conversation);
StartActivity (intent);
};
chatList.AddView(v);
}
chatList.Post(() => chatList.RequestLayout ());
}
private void initializeAuthenticated(User user) {
SetContentView (Resource.Layout.Main);
ShowChats (user);
}
private void UpdateMessagesScrollDown(User user) {
UpdateMessages (user);
ScrollView scrollView = FindViewById<ScrollView> (Resource.Id.messageScrollView);
scrollView.FullScroll (FocusSearchDirection.Down);
scrollView.Post (() => scrollView.FullScroll (FocusSearchDirection.Down));
}
public async Task<bool> RemoveEvent(DataBaseWrapper db, User user, Event e)
{
string encodedJson = escape(String.Format("{{\"id\":\"{0}\", \"removeEvent\":{{\"conversation\":\"{1}\"}}}}", user.id, e.msg));
var result = JsonValue.Parse(await Download(user.server + "/xjcp.php?msg=" + encodedJson));
var success = false;
try {
success = 0 == await EventHandling (db, result);
} catch (Exception ex) {
Log.Error ("BlaChat", ex.StackTrace);
}
return success;
}
public async Task<bool> NewChat(DataBaseWrapper db, User user, List<User> users, string name)
{
return true;
}
private async Task<bool> InternalUpdateEvents(DataBaseWrapper db, User user) {
string encodedJson = escape (String.Format ("{{\"id\":\"{0}\"}}", user.id));
var result = JsonValue.Parse (await Download (user.server + "/xjcp.php?msg=" + encodedJson));
var success = false;
try {
success = 0 == await EventHandling (db, result);
} catch (Exception ex) {
Log.Error ("BlaChat", ex.StackTrace);
}
updateEventTask = null;
return success;
}
public Task<bool> UpdateEvents(DataBaseWrapper db, User user)
{
lock (taskCacheLocker) {
if (updateEventTask == null) {
updateEventTask = InternalUpdateEvents(db, user);
}
return updateEventTask;
}
}
public async Task<bool> SendImage (DataBaseWrapper db, User user, Chat chat, Bitmap bitmap)
{
string encodedJson = escape (String.Format ("{{\"id\":\"{0}\", \"data\":{{\"conversation\":\"{1}\"}}}}", user.id, chat.conversation));
var success = false;
NameValueCollection nvc = new NameValueCollection();
nvc.Add("msg", encodedJson);
string tmp = null;
while (tmp == null) {
tmp = HttpUploadFile (user.server + "/xjcp.php", bitmap, "uploadedfile", "image/png", nvc);
}
var result = JsonValue.Parse (tmp);
try {
success = 0 == await EventHandling (db, result);
if (!result.ContainsKey ("onData")) {
success = false;
}
} catch (Exception ex) {
Log.Error ("BlaChat", ex.StackTrace);
}
return success;
}
private async Task<int> HandleEvent(DataBaseWrapper db, AsyncNetwork network, User user, Event e) {
if (e.type != "onMessage") {
return 0;
}
var chat = db.Get<Chat> (e.msg);
if (chat == null) {
while(!await network.UpdateChats (db, user)) {
await network.Authenticate(db, user);
}
chat = db.Get<Chat> (e.msg);
}
chat.time = e.time;
db.Update (chat);
var msg = new Message ();
msg.conversation = chat.conversation;
msg.author = e.author;
msg.nick = e.nick;
msg.text = e.text;
msg.time = e.time;
db.InsertIfNotContains<Message> (msg);
ResetUpdateInterval ();
if (e.msg != ActiveConversation && user.user != e.nick) {
chat.Marked = true;
db.Update (chat);
if (chat.Notifications) {
await Notify (network, e.nick, e.text);
}
}
if (ChatActivity != null) {
ChatActivity.OnUpdateRequested ();
} else if (MainActivity != null) {
MainActivity.OnUpdateRequested ();
}
return 0;
}
public Task<bool> UpdateChats(DataBaseWrapper db, User user)
{
string request = String.Format ("\"getChats\":{{}}");
return CommonNetworkOperations(db, request, user, "onGetChats", x => {
JsonArray arr = (JsonArray)x;
foreach (JsonValue v in arr) {
string conv = v ["conversation"];
var chat = db.Get<Chat> (conv);
if (chat == null) {
chat = new Chat () {
conversation = conv
};
db.Insert (chat);
}
chat.name = v ["name"];
chat.time = v ["time"];
db.Update (chat);
}
});
}
public async Task<bool> RenameChat(DataBaseWrapper db, User user, Chat chat, string name)
{
return true;
}
public Task<bool> UpdateContacts(DataBaseWrapper db, User user)
{
string request = String.Format ("\"getContacts\":{{}}");
return CommonNetworkOperations (db, request, user, "onGetContacts", x => {
JsonArray arr = (JsonArray)x;
foreach (JsonValue v in arr) {
var contact = db.Get<Contact> (v ["nick"]);
if (contact == null) {
contact = new Contact () {
nick = v ["nick"]
};
db.Insert (contact);
}
contact.name = v ["name"];
contact.status = v ["status"];
db.Update (contact);
}
});
}
public async Task<bool> SetName(DataBaseWrapper db, User user, string name)
{
return true;
}
public async Task<bool> AddFriend(DataBaseWrapper db, User user, string name)
{
return true;
}
private void UpdateMessages(User user) {
LinearLayout messageList = FindViewById<LinearLayout> (Resource.Id.messageLayout);
messageList.RemoveAllViews ();
var x = db.Table<Message> ();
List<Message> tmp = x.Where(q => q.conversation == conversation).OrderBy(e => e.time).Reverse().Take(visibleMessages).Reverse().ToList();
string prevDate = "0000-00-00";
foreach (var elem in tmp) {
if (!elem.time.StartsWith (prevDate)) {
prevDate = TimeConverter.Convert (elem.time, "yyyy-MM-dd");
View timeInsert;
if (setting.FontSize == Setting.Size.large) {
timeInsert = LayoutInflater.Inflate (Resource.Layout.TimeInsertLarge, null);
} else {
timeInsert = LayoutInflater.Inflate (Resource.Layout.TimeInsert, null);
}
TextView text = timeInsert.FindViewById<TextView> (Resource.Id.timeInsertTime);
text.Text = TimeConverter.AutoConvertDate (elem.time);
messageList.AddView(timeInsert);
}
AddMessage (messageList, elem);
}
messageList.Post(() => messageList.RequestLayout ());
}
public async Task<bool> SetStatus(DataBaseWrapper db, User user, string status)
{
return true;
}
private void initializeAuthenticated(User user) {
StartService (new Intent (this, typeof(BackgroundService)));
if (service == null) {
var sericeIntent = new Intent (this, typeof(BackgroundService));
serviceConnection = new ServiceConnection (this);
BindService (sericeIntent, serviceConnection, Bind.AutoCreate);
}
SetContentView (Resource.Layout.Main);
ShowChats (user);
}
public async Task<bool> SetProfileImage(DataBaseWrapper db, User user, object image)
{
return true;
}
private void initializeNotAuthenticated() {
SetContentView (Resource.Layout.Authentication);
Button login = FindViewById<Button> (Resource.Id.login);
login.Click += async delegate {
InputMethodManager manager = (InputMethodManager) GetSystemService(InputMethodService);
manager.HideSoftInputFromWindow(FindViewById<EditText> (Resource.Id.username).WindowToken, 0);
manager.HideSoftInputFromWindow(FindViewById<EditText> (Resource.Id.password).WindowToken, 0);
manager.HideSoftInputFromWindow(FindViewById<EditText> (Resource.Id.server).WindowToken, 0);
login.Text = "Connecting...";
login.Enabled = false;
var user = new User() {
user = FindViewById<EditText> (Resource.Id.username).Text.ToLower(),
password = FindViewById<EditText> (Resource.Id.password).Text,
server = !string.IsNullOrEmpty (FindViewById<EditText> (Resource.Id.server).Text) ?
FindViewById<EditText> (Resource.Id.server).Text :
FindViewById<EditText> (Resource.Id.server).Hint
};
if (user.user == "" || user.password == "") {
login.Text = "Login";
login.Enabled = true;
return;
}
if(await network.Authenticate(db, user)) {
login.Text = "Loading data...";
new Thread(async () => {
int i = 0;
db.Insert(user);
while(!await network.UpdateChats (db, user)) {
await network.Authenticate(db, user);
}
var x = db.Table<Chat> ();
int count = x.Count();
var tasks = new List<Task<bool>>();
RunOnUiThread(() => initializeAuthenticated(user));
foreach (var chat in x) {
while(!await network.UpdateHistory(db, user, chat, 30)) {
await network.Authenticate(db, user);
}
OnUpdateRequested();
}
}).Start();
} else {
login.Text = "Retry Login";
login.Enabled = true;
}
};
}
private async Task<bool> CommonNetworkOperations(DataBaseWrapper db, String request, User user, String actionKey, Action<JsonValue> action) {
string encodedJson = escape (String.Format ("{{\"id\":\"{0}\", {1}}}", user.id, request));
var result = JsonValue.Parse (await Download (user.server + "/xjcp.php?msg=" + encodedJson));
bool success = false;
try {
if (result.ContainsKey (actionKey)) {
action.Invoke(result [actionKey]);
success = true;
}
} catch (Exception ex) {
Log.Error ("BlaChat", ex.StackTrace);
}
return success && await EventHandling (db, result) == 0;
}
