jiti-meet/chat.js

344 lines
11 KiB
JavaScript

/* global $, Util, connection, nickname:true, getVideoSize, getVideoPosition, showToolbar, processReplacements */
/**
* Chat related user interface.
*/
var Chat = (function (my) {
var notificationInterval = false;
var unreadMessages = 0;
/**
* Initializes chat related interface.
*/
my.init = function () {
var storedDisplayName = window.localStorage.displayname;
if (storedDisplayName) {
nickname = storedDisplayName;
Chat.setChatConversationMode(true);
}
$('#nickinput').keydown(function (event) {
if (event.keyCode === 13) {
event.preventDefault();
var val = Util.escapeHtml(this.value);
this.value = '';
if (!nickname) {
nickname = val;
window.localStorage.displayname = nickname;
connection.emuc.addDisplayNameToPresence(nickname);
connection.emuc.sendPresence();
Chat.setChatConversationMode(true);
return;
}
}
});
$('#usermsg').keydown(function (event) {
if (event.keyCode === 13) {
event.preventDefault();
var value = this.value;
$('#usermsg').val('').trigger('autosize.resize');
this.focus();
var command = new CommandsProcessor(value);
if(command.isCommand())
{
command.processCommand();
}
else
{
var message = Util.escapeHtml(value);
connection.emuc.sendMessage(message, nickname);
}
}
});
var onTextAreaResize = function () {
resizeChatConversation();
Chat.scrollChatToBottom();
};
$('#usermsg').autosize({callback: onTextAreaResize});
$("#chatspace").bind("shown",
function () {
unreadMessages = 0;
setVisualNotification(false);
});
addSmileys();
};
/**
* Appends the given message to the chat conversation.
*/
my.updateChatConversation = function (from, displayName, message) {
var divClassName = '';
if (connection.emuc.myroomjid === from) {
divClassName = "localuser";
}
else {
divClassName = "remoteuser";
if (!Chat.isVisible()) {
unreadMessages++;
Util.playSoundNotification('chatNotification');
setVisualNotification(true);
}
}
//replace links and smileys
var escMessage = Util.escapeHtml(message);
var escDisplayName = Util.escapeHtml(displayName);
message = processReplacements(escMessage);
var messageContainer =
'<div class="chatmessage">'+
'<img src="../images/chatArrow.svg" class="chatArrow">' +
'<div class="username ' + divClassName +'">' + escDisplayName + '</div>' +
'<div class="timestamp">' + getCurrentTime() + '</div>' +
'<div class="usermessage">' + message + '</div>' +
'</div>';
$('#chatconversation').append(messageContainer);
$('#chatconversation').animate(
{ scrollTop: $('#chatconversation')[0].scrollHeight}, 1000);
};
/**
* Appends error message to the conversation
* @param errorMessage the received error message.
* @param originalText the original message.
*/
my.chatAddError = function(errorMessage, originalText)
{
errorMessage = Util.escapeHtml(errorMessage);
originalText = Util.escapeHtml(originalText);
$('#chatconversation').append('<div class="errorMessage"><b>Error: </b>'
+ 'Your message' + (originalText? (' \"'+ originalText + '\"') : "")
+ ' was not sent.' + (errorMessage? (' Reason: ' + errorMessage) : '')
+ '</div>');
$('#chatconversation').animate(
{ scrollTop: $('#chatconversation')[0].scrollHeight}, 1000);
};
/**
* Sets the subject to the UI
* @param subject the subject
*/
my.chatSetSubject = function(subject)
{
if(subject)
subject = subject.trim();
$('#subject').html(linkify(Util.escapeHtml(subject)));
if(subject == "")
{
$("#subject").css({display: "none"});
}
else
{
$("#subject").css({display: "block"});
}
};
/**
* Sets the chat conversation mode.
*/
my.setChatConversationMode = function (isConversationMode) {
if (isConversationMode) {
$('#nickname').css({visibility: 'hidden'});
$('#chatconversation').css({visibility: 'visible'});
$('#usermsg').css({visibility: 'visible'});
$('#smileysarea').css({visibility: 'visible'});
$('#usermsg').focus();
}
};
/**
* Resizes the chat area.
*/
my.resizeChat = function () {
var chatSize = PanelToggler.getPanelSize();
$('#chatspace').width(chatSize[0]);
$('#chatspace').height(chatSize[1]);
resizeChatConversation();
};
/**
* Indicates if the chat is currently visible.
*/
my.isVisible = function () {
return $('#chatspace').is(":visible");
};
/**
* Shows and hides the window with the smileys
*/
my.toggleSmileys = function() {
var smileys = $('#smileysContainer');
if(!smileys.is(':visible')) {
smileys.show("slide", { direction: "down", duration: 300});
} else {
smileys.hide("slide", { direction: "down", duration: 300});
}
$('#usermsg').focus();
};
/**
* Scrolls chat to the bottom.
*/
my.scrollChatToBottom = function() {
setTimeout(function () {
$('#chatconversation').scrollTop(
$('#chatconversation')[0].scrollHeight);
}, 5);
};
/**
* Adds the smileys container to the chat
*/
function addSmileys() {
var smileysContainer = document.createElement('div');
smileysContainer.id = 'smileysContainer';
function addClickFunction(smiley, number) {
smiley.onclick = function addSmileyToMessage() {
var usermsg = $('#usermsg');
var message = usermsg.val();
message += smileys['smiley' + number];
usermsg.val(message);
usermsg.get(0).setSelectionRange(message.length, message.length);
Chat.toggleSmileys();
usermsg.focus();
};
}
for(var i = 1; i <= 21; i++) {
var smileyContainer = document.createElement('div');
smileyContainer.id = 'smiley' + i;
smileyContainer.className = 'smileyContainer';
var smiley = document.createElement('img');
smiley.src = 'images/smileys/smiley' + i + '.svg';
smiley.className = 'smiley';
addClickFunction(smiley, i);
smileyContainer.appendChild(smiley);
smileysContainer.appendChild(smileyContainer);
}
$("#chatspace").append(smileysContainer);
}
/**
* Resizes the chat conversation.
*/
function resizeChatConversation() {
var msgareaHeight = $('#usermsg').outerHeight();
var chatspace = $('#chatspace');
var width = chatspace.width();
var chat = $('#chatconversation');
var smileys = $('#smileysarea');
smileys.height(msgareaHeight);
$("#smileys").css('bottom', (msgareaHeight - 26) / 2);
$('#smileysContainer').css('bottom', msgareaHeight);
chat.width(width - 10);
chat.height(window.innerHeight - 15 - msgareaHeight);
}
/**
* Shows/hides a visual notification, indicating that a message has arrived.
*/
function setVisualNotification(show) {
var unreadMsgElement = document.getElementById('unreadMessages');
var unreadMsgBottomElement = document.getElementById('bottomUnreadMessages');
var glower = $('#chatButton');
var bottomGlower = $('#chatBottomButton');
if (unreadMessages) {
unreadMsgElement.innerHTML = unreadMessages.toString();
unreadMsgBottomElement.innerHTML = unreadMessages.toString();
ToolbarToggler.dockToolbar(true);
var chatButtonElement
= document.getElementById('chatButton').parentNode;
var leftIndent = (Util.getTextWidth(chatButtonElement) -
Util.getTextWidth(unreadMsgElement)) / 2;
var topIndent = (Util.getTextHeight(chatButtonElement) -
Util.getTextHeight(unreadMsgElement)) / 2 - 3;
unreadMsgElement.setAttribute(
'style',
'top:' + topIndent +
'; left:' + leftIndent + ';');
var chatBottomButtonElement
= document.getElementById('chatBottomButton').parentNode;
var bottomLeftIndent = (Util.getTextWidth(chatBottomButtonElement) -
Util.getTextWidth(unreadMsgBottomElement)) / 2;
var bottomTopIndent = (Util.getTextHeight(chatBottomButtonElement) -
Util.getTextHeight(unreadMsgBottomElement)) / 2 - 2;
unreadMsgBottomElement.setAttribute(
'style',
'top:' + bottomTopIndent +
'; left:' + bottomLeftIndent + ';');
if (!glower.hasClass('icon-chat-simple')) {
glower.removeClass('icon-chat');
glower.addClass('icon-chat-simple');
}
}
else {
unreadMsgElement.innerHTML = '';
unreadMsgBottomElement.innerHTML = '';
glower.removeClass('icon-chat-simple');
glower.addClass('icon-chat');
}
if (show && !notificationInterval) {
notificationInterval = window.setInterval(function () {
glower.toggleClass('active');
bottomGlower.toggleClass('active glowing');
}, 800);
}
else if (!show && notificationInterval) {
window.clearInterval(notificationInterval);
notificationInterval = false;
glower.removeClass('active');
bottomGlower.removeClass('glowing');
bottomGlower.addClass('active');
}
}
/**
* Returns the current time in the format it is shown to the user
* @returns {string}
*/
function getCurrentTime() {
var now = new Date();
var hour = now.getHours();
var minute = now.getMinutes();
var second = now.getSeconds();
if(hour.toString().length === 1) {
hour = '0'+hour;
}
if(minute.toString().length === 1) {
minute = '0'+minute;
}
if(second.toString().length === 1) {
second = '0'+second;
}
return hour+':'+minute+':'+second;
}
return my;
}(Chat || {}));