365 lines
13 KiB
JavaScript
365 lines
13 KiB
JavaScript
/* global $, Util, connection, nickname:true, getVideoSize, getVideoPosition, showToolbar, processReplacements */
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/**
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* Chat related user interface.
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*/
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var Chat = (function (my) {
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var notificationInterval = false;
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var unreadMessages = 0;
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/**
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* Initializes chat related interface.
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*/
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my.init = function () {
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var storedDisplayName = window.localStorage.displayname;
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if (storedDisplayName) {
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nickname = storedDisplayName;
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Chat.setChatConversationMode(true);
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}
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$('#nickinput').keydown(function (event) {
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if (event.keyCode === 13) {
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event.preventDefault();
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var val = Util.escapeHtml(this.value);
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this.value = '';
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if (!nickname) {
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nickname = val;
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window.localStorage.displayname = nickname;
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connection.emuc.addDisplayNameToPresence(nickname);
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connection.emuc.sendPresence();
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Chat.setChatConversationMode(true);
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return;
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}
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}
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});
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$('#usermsg').keydown(function (event) {
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if (event.keyCode === 13) {
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event.preventDefault();
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var value = this.value;
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$('#usermsg').val('').trigger('autosize.resize');
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this.focus();
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var command = new CommandsProcessor(value);
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if(command.isCommand())
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{
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command.processCommand();
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}
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else
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{
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var message = Util.escapeHtml(value);
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connection.emuc.sendMessage(message, nickname);
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}
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}
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});
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var onTextAreaResize = function () {
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resizeChatConversation();
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scrollChatToBottom();
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};
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$('#usermsg').autosize({callback: onTextAreaResize});
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$("#chatspace").bind("shown",
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function () {
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unreadMessages = 0;
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setVisualNotification(false);
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});
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};
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/**
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* Appends the given message to the chat conversation.
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*/
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my.updateChatConversation = function (from, displayName, message) {
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var divClassName = '';
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if (connection.emuc.myroomjid === from) {
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divClassName = "localuser";
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}
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else {
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divClassName = "remoteuser";
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if (!$('#chatspace').is(":visible")) {
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unreadMessages++;
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Util.playSoundNotification('chatNotification');
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setVisualNotification(true);
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}
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}
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//replace links and smileys
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var escMessage = Util.escapeHtml(message);
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var escDisplayName = Util.escapeHtml(displayName);
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message = processReplacements(escMessage);
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$('#chatconversation').append('<div class="' + divClassName + '"><b>' +
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escDisplayName + ': </b>' +
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message + '</div>');
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$('#chatconversation').animate(
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{ scrollTop: $('#chatconversation')[0].scrollHeight}, 1000);
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};
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/**
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* Appends error message to the conversation
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* @param errorMessage the received error message.
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* @param originalText the original message.
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*/
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my.chatAddError = function(errorMessage, originalText)
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{
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errorMessage = Util.escapeHtml(errorMessage);
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originalText = Util.escapeHtml(originalText);
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$('#chatconversation').append('<div class="errorMessage"><b>Error: </b>'
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+ 'Your message' + (originalText? (' \"'+ originalText + '\"') : "")
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+ ' was not sent.' + (errorMessage? (' Reason: ' + errorMessage) : '')
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+ '</div>');
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$('#chatconversation').animate(
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{ scrollTop: $('#chatconversation')[0].scrollHeight}, 1000);
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};
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/**
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* Sets the subject to the UI
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* @param subject the subject
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*/
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my.chatSetSubject = function(subject)
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{
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if(subject)
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subject = subject.trim();
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$('#subject').html(linkify(Util.escapeHtml(subject)));
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if(subject == "")
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{
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$("#subject").css({display: "none"});
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}
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else
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{
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$("#subject").css({display: "block"});
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}
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};
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/**
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* Opens / closes the chat area.
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*/
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my.toggleChat = function () {
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var chatspace = $('#chatspace');
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var videospace = $('#videospace');
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var chatSize = (chatspace.is(":visible")) ? [0, 0] : Chat.getChatSize();
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var videospaceWidth = window.innerWidth - chatSize[0];
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var videospaceHeight = window.innerHeight;
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var videoSize
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= getVideoSize(null, null, videospaceWidth, videospaceHeight);
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var videoWidth = videoSize[0];
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var videoHeight = videoSize[1];
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var videoPosition = getVideoPosition(videoWidth,
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videoHeight,
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videospaceWidth,
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videospaceHeight);
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var horizontalIndent = videoPosition[0];
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var verticalIndent = videoPosition[1];
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var thumbnailSize = VideoLayout.calculateThumbnailSize(videospaceWidth);
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var thumbnailsWidth = thumbnailSize[0];
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var thumbnailsHeight = thumbnailSize[1];
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if (chatspace.is(":visible")) {
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videospace.animate({right: chatSize[0],
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width: videospaceWidth,
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height: videospaceHeight},
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{queue: false,
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duration: 500});
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$('#remoteVideos').animate({height: thumbnailsHeight},
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{queue: false,
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duration: 500});
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$('#remoteVideos>span').animate({height: thumbnailsHeight,
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width: thumbnailsWidth},
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{queue: false,
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duration: 500});
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$('#largeVideoContainer').animate({ width: videospaceWidth,
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height: videospaceHeight},
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{queue: false,
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duration: 500
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});
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$('#largeVideo').animate({ width: videoWidth,
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height: videoHeight,
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top: verticalIndent,
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bottom: verticalIndent,
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left: horizontalIndent,
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right: horizontalIndent},
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{ queue: false,
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duration: 500
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});
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$('#chatspace').hide("slide", { direction: "right",
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queue: false,
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duration: 500});
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}
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else {
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// Undock the toolbar when the chat is shown.
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Toolbar.dockToolbar(false);
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videospace.animate({right: chatSize[0],
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width: videospaceWidth,
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height: videospaceHeight},
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{queue: false,
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duration: 500,
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complete: function () {
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scrollChatToBottom();
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chatspace.trigger('shown');
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}
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});
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$('#remoteVideos').animate({height: thumbnailsHeight},
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{queue: false,
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duration: 500});
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$('#remoteVideos>span').animate({height: thumbnailsHeight,
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width: thumbnailsWidth},
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{queue: false,
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duration: 500});
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$('#largeVideoContainer').animate({ width: videospaceWidth,
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height: videospaceHeight},
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{queue: false,
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duration: 500
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});
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$('#largeVideo').animate({ width: videoWidth,
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height: videoHeight,
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top: verticalIndent,
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bottom: verticalIndent,
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left: horizontalIndent,
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right: horizontalIndent},
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{queue: false,
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duration: 500
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});
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$('#chatspace').show("slide", { direction: "right",
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queue: false,
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duration: 500});
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}
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// Request the focus in the nickname field or the chat input field.
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if ($('#nickname').css('visibility') === 'visible')
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$('#nickinput').focus();
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else {
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$('#usermsg').focus();
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}
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};
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/**
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* Sets the chat conversation mode.
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*/
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my.setChatConversationMode = function (isConversationMode) {
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if (isConversationMode) {
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$('#nickname').css({visibility: 'hidden'});
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$('#chatconversation').css({visibility: 'visible'});
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$('#usermsg').css({visibility: 'visible'});
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$('#usermsg').focus();
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}
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};
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/**
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* Resizes the chat area.
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*/
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my.resizeChat = function () {
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var chatSize = Chat.getChatSize();
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$('#chatspace').width(chatSize[0]);
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$('#chatspace').height(chatSize[1]);
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resizeChatConversation();
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};
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/**
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* Returns the size of the chat.
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*/
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my.getChatSize = function () {
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var availableHeight = window.innerHeight;
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var availableWidth = window.innerWidth;
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var chatWidth = 200;
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if (availableWidth * 0.2 < 200)
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chatWidth = availableWidth * 0.2;
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return [chatWidth, availableHeight];
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};
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/**
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* Resizes the chat conversation.
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*/
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function resizeChatConversation() {
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var usermsgStyleHeight = document.getElementById("usermsg").style.height;
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var usermsgHeight = usermsgStyleHeight
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.substring(0, usermsgStyleHeight.indexOf('px'));
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$('#usermsg').width($('#chatspace').width() - 10);
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$('#chatconversation').width($('#chatspace').width() - 10);
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$('#chatconversation')
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.height(window.innerHeight - 10 - parseInt(usermsgHeight));
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}
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/**
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* Shows/hides a visual notification, indicating that a message has arrived.
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*/
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function setVisualNotification(show) {
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var unreadMsgElement = document.getElementById('unreadMessages');
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var glower = $('#chatButton');
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if (unreadMessages) {
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unreadMsgElement.innerHTML = unreadMessages.toString();
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Toolbar.dockToolbar(true);
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var chatButtonElement
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= document.getElementById('chatButton').parentNode;
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var leftIndent = (Util.getTextWidth(chatButtonElement) -
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Util.getTextWidth(unreadMsgElement)) / 2;
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var topIndent = (Util.getTextHeight(chatButtonElement) -
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Util.getTextHeight(unreadMsgElement)) / 2 - 3;
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unreadMsgElement.setAttribute(
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'style',
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'top:' + topIndent +
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'; left:' + leftIndent + ';');
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if (!glower.hasClass('icon-chat-simple')) {
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glower.removeClass('icon-chat');
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glower.addClass('icon-chat-simple');
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}
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}
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else {
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unreadMsgElement.innerHTML = '';
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glower.removeClass('icon-chat-simple');
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glower.addClass('icon-chat');
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}
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if (show && !notificationInterval) {
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notificationInterval = window.setInterval(function () {
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glower.toggleClass('active');
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}, 800);
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}
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else if (!show && notificationInterval) {
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window.clearInterval(notificationInterval);
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notificationInterval = false;
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glower.removeClass('active');
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}
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}
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/**
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* Scrolls chat to the bottom.
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*/
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function scrollChatToBottom() {
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setTimeout(function () {
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$('#chatconversation').scrollTop(
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$('#chatconversation')[0].scrollHeight);
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}, 5);
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}
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return my;
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}(Chat || {}));
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