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mirror of https://github.com/moparisthebest/kaiwa synced 2024-11-14 21:45:08 -05:00
kaiwa/clientapp/pages/chat.js
2015-02-09 16:30:52 +01:00

352 lines
12 KiB
JavaScript

/*global $, app, me, client*/
"use strict";
var _ = require('underscore');
var StayDown = require('staydown');
var BasePage = require('./base');
var templates = require('../templates');
var Message = require('../views/message');
var MessageModel = require('../models/message');
var embedIt = require('../helpers/embedIt');
var htmlify = require('../helpers/htmlify');
var attachMediaStream = require('attachmediastream');
module.exports = BasePage.extend({
template: templates.pages.chat,
initialize: function (spec) {
this.editMode = false;
this.model.fetchHistory();
this.listenTo(this, 'pageloaded', this.handlePageLoaded);
this.listenTo(this, 'pageunloaded', this.handlePageUnloaded);
this.listenTo(this.model.messages, 'change', this.refreshModel);
//this.listenTo(this.model.messages, 'sort', this.renderCollection);
this.render();
},
events: {
'keydown textarea': 'handleKeyDown',
'keyup textarea': 'handleKeyUp',
'click .call': 'handleCallClick',
'click .accept': 'handleAcceptClick',
'click .end': 'handleEndClick',
'click .mute': 'handleMuteClick'
},
srcBindings: {
avatar: 'header .avatar',
streamUrl: 'video.remote'
},
textBindings: {
displayName: 'header .name',
formattedTZO: 'header .tzo',
status: 'header .status'
},
classBindings: {
chatState: 'header',
idle: '.user_presence',
show: '.user_presence',
onCall: '.conversation'
},
show: function (animation) {
BasePage.prototype.show.apply(this, [animation]);
this.sendChatState('active');
this.firstChanged = true;
var self = this;
$('.messages').scroll(function() {
if (self.firstChanged && $(".messages li:first-child").offset().top > 0) {
self.firstChanged = false;
self.model.fetchHistory(true);
}
});
this.$chatInput.focus();
},
hide: function () {
BasePage.prototype.hide.apply(this);
this.sendChatState('inactive');
},
render: function () {
if (this.rendered) return this;
var self = this;
this.rendered = true;
this.renderAndBind();
this.$chatInput = this.$('.chatBox textarea');
this.$chatInput.val(app.composing[this.model.jid] || '');
this.$chatBox = this.$('.chatBox');
this.$messageList = this.$('.messages');
this.staydown = new StayDown(this.$messageList[0], 500);
this.renderCollection();
this.listenTo(this.model.messages, 'add', this.handleChatAdded);
this.listenToAndRun(this.model, 'change:jingleResources', this.handleJingleResourcesChanged);
//$(window).on('resize', _.bind(this.resizeInput, this));
this.registerBindings(me, {
srcBindings: {
streamUrl: 'video.local'
}
});
return this;
},
handlePageLoaded: function () {
this.staydown.checkdown();
//this.resizeInput();
},
handleCallClick: function (e) {
e.preventDefault();
this.model.call();
return false;
},
renderCollection: function () {
var self = this;
this.$messageList.empty();
this.lastDate = '';
this.model.messages.each(function (model, i) {
self.appendModel(model);
});
this.staydown.checkdown();
},
handleKeyDown: function (e) {
if (e.which === 13 && !e.shiftKey) {
app.composing[this.model.jid] = '';
this.sendChat();
e.preventDefault();
return false;
} else if (e.which === 38 && this.$chatInput.val() === '' && this.model.lastSentMessage) {
this.editMode = true;
this.$chatInput.addClass('editing');
this.$chatInput.val(this.model.lastSentMessage.body);
e.preventDefault();
return false;
} else if (e.which === 40 && this.editMode) {
this.editMode = false;
this.$chatInput.removeClass('editing');
e.preventDefault();
return false;
} else if (!e.ctrlKey && !e.metaKey) {
if (!this.typing || this.paused) {
this.typing = true;
this.paused = false;
this.$chatInput.addClass('typing');
this.sendChatState('composing');
}
}
},
handleKeyUp: function (e) {
//this.resizeInput();
app.composing[this.model.jid] = this.$chatInput.val();
if (this.typing && this.$chatInput.val().length === 0) {
this.typing = false;
this.$chatInput.removeClass('typing');
this.sendChatState('active');
} else if (this.typing) {
this.pausedTyping();
}
},
pausedTyping: _.debounce(function () {
if (this.typing && !this.paused) {
this.paused = true;
this.sendChatState('paused');
}
}, 3000),
sendChatState: function (state) {
if (!this.model.supportsChatStates) return;
client.sendMessage({
to: this.model.lockedResource || this.model.jid,
chatState: state
});
},
sendChat: function () {
var message;
var val = this.$chatInput.val();
if (val) {
this.staydown.intend_down = true;
var links = _.map(htmlify.collectLinks(val), function (link) {
return {url: link};
});
message = {
id: client.nextId(),
to: client.JID(this.model.lockedResource || this.model.jid),
type: 'chat',
body: val,
requestReceipt: true,
oobURIs: links
};
if (this.model.supportsChatStates) {
message.chatState = 'active';
}
if (this.editMode) {
message.replace = this.model.lastSentMessage.id;
}
client.sendMessage(message);
// Prep message to create a Message model
message.from = me.jid;
message.mid = message.id;
delete message.id;
if (this.editMode) {
this.model.lastSentMessage.correct(message);
} else {
var msgModel = new MessageModel(message);
this.model.addMessage(msgModel);
this.model.lastSentMessage = msgModel;
}
}
this.editMode = false;
this.typing = false;
this.paused = false;
this.$chatInput.removeClass('typing');
this.$chatInput.removeClass('editing');
this.$chatInput.val('');
},
handleChatAdded: function (model) {
this.appendModel(model, true);
},
refreshModel: function (model) {
var existing = this.$('#chat' + model.cid);
existing.replaceWith(model.partialTemplateHtml);
existing = this.$('#chat' + model.cid);
embedIt(existing);
},
handleJingleResourcesChanged: function (model, val) {
var resources = val || this.model.jingleResources;
this.$('button.call').prop('disabled', !resources.length);
},
appendModel: function (model, preload) {
var newEl, first, last;
var msgDate = Date.create(model.timestamp);
var messageDay = msgDate.format('{month} {ord}, {yyyy}');
if (this.firstModel === undefined || msgDate > Date.create(this.firstModel.timestamp)) {
if (this.firstModel === undefined) {
this.firstModel = model;
this.firstDate = messageDay;
}
if (messageDay !== this.lastDate) {
var dayDivider = $(templates.includes.dayDivider({day_name: messageDay}));
this.staydown.append(dayDivider[0]);
this.lastDate = messageDay;
}
var isGrouped = model.shouldGroupWith(this.lastModel);
if (isGrouped) {
newEl = $(model.partialTemplateHtml);
last = this.$messageList.find('li').last();
last.find('.messageWrapper').append(newEl);
last.addClass('chatGroup');
this.staydown.checkdown();
} else {
newEl = $(model.templateHtml);
this.staydown.append(newEl[0]);
this.lastModel = model;
}
if (!model.pending) embedIt(newEl);
}
else {
var scrollDown = this.$messageList.prop('scrollHeight') - this.$messageList.scrollTop();
var firstEl = this.$messageList.find('li').first();
if (messageDay !== this.firstDate) {
var dayDivider = $(templates.includes.dayDivider({day_name: messageDay}));
firstEl.before(dayDivider[0]);
var firstEl = this.$messageList.find('li').first();
this.firstDate = messageDay;
}
var isGrouped = model.shouldGroupWith(this.firstModel);
if (isGrouped) {
newEl = $(model.partialTemplateHtml);
first = this.$messageList.find('li').first().next();
first.find('.messageWrapper div:first').after(newEl);
first.addClass('chatGroup');
} else {
newEl = $(model.templateHtml);
firstEl.after(newEl[0]);
this.firstModel = model;
}
if (!model.pending) embedIt(newEl);
this.$messageList.scrollTop(this.$messageList.prop('scrollHeight') - scrollDown);
this.firstChanged = true;
}
},
handleAcceptClick: function (e) {
e.preventDefault();
var self = this;
this.$('button.accept').prop('disabled', true);
if (this.model.jingleCall.jingleSession.state == 'pending') {
if (!client.jingle.localStream) {
client.jingle.startLocalMedia(null, function (err) {
if (err) {
self.model.jingleCall.end({
condition: 'decline'
});
} else {
client.sendPresence({to: client.JID(self.model.jingleCall.jingleSession.peer) });
self.model.jingleCall.jingleSession.accept();
}
});
} else {
client.sendPresence({to: client.JID(this.model.jingleCall.jingleSession.peer) });
this.model.jingleCall.jingleSession.accept();
}
}
return false;
},
handleEndClick: function (e) {
e.preventDefault();
var condition = 'success';
if (this.model.jingleCall) {
if (this.model.jingleCall.jingleSession && this.model.jingleCall.jingleSession.state == 'pending') {
condition = 'decline';
}
this.model.jingleCall.end({
condition: condition
});
}
return false;
},
handleMuteClick: function (e) {
return false;
},
resizeInput: _.throttle(function () {
var height;
var scrollHeight;
var newHeight;
var newPadding;
var paddingDelta;
var maxHeight = 102;
this.$chatInput.removeAttr('style');
height = this.$chatInput.height() + 10;
scrollHeight = this.$chatInput.get(0).scrollHeight;
newHeight = scrollHeight + 2;
if (newHeight > maxHeight) newHeight = maxHeight;
if (newHeight > height) {
this.$chatInput.css('height', newHeight);
newPadding = newHeight + 21;
paddingDelta = newPadding - parseInt(this.$messageList.css('paddingBottom'), 10);
if (!!paddingDelta) {
this.$messageList.css('paddingBottom', newPadding);
}
}
}, 300)
});