xmpp.chapril.org-conversejs/src/converse-minimize.js

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// Converse.js (A browser based XMPP chat client)
// http://conversejs.org
//
// Copyright (c) 2012-2016, Jan-Carel Brand <jc@opkode.com>
// Licensed under the Mozilla Public License (MPLv2)
//
/*global Backbone, define, window */
(function (root, factory) {
define("converse-minimize", [
"converse-core",
"converse-api",
"converse-chatview"
], factory);
}(this, function (converse, converse_api) {
"use strict";
var $ = converse_api.env.jQuery,
_ = converse_api.env._,
b64_sha1 = converse_api.env.b64_sha1,
moment = converse_api.env.moment,
utils = converse_api.env.utils,
__ = utils.__.bind(converse);
converse_api.plugins.add('minimize', {
overrides: {
// Overrides mentioned here will be picked up by converse.js's
// plugin architecture they will replace existing methods on the
// relevant objects or classes.
//
// New functions which don't exist yet can also be added.
_tearDown: function () {
this._super._tearDown.apply(this, arguments);
if (this.minimized_chats) {
this.minimized_chats.undelegateEvents().model.reset();
this.minimized_chats.removeAll(); // Remove sub-views
this.minimized_chats.tearDown().remove(); // Remove overview
delete this.minimized_chats;
}
return this;
},
onConnected: function () {
converse.minimized_chats = new converse.MinimizedChats({
model: converse.chatboxes
});
return this._super.onConnected.apply(this, arguments);
},
registerGlobalEventHandlers: function () {
this._super.registerGlobalEventHandlers.apply(this, arguments);
$(window).on("resize", _.debounce(function (ev) {
converse.chatboxviews.trimChats();
}, 200));
},
wrappedChatBox: function (chatbox) {
/* Wrap a chatbox for outside consumption (i.e. so that it can be
* returned via the API.
*/
if (!chatbox) { return; }
var box = this._super.wrappedChatBox.apply(this, arguments);
box.maximize = chatbox.maximize.bind(chatbox);
box.minimize = chatbox.minimize.bind(chatbox);
return box;
},
ChatBox: {
initialize: function () {
this._super.initialize.apply(this, arguments);
if (this.get('id') === 'controlbox') {
return;
}
this.save({
'minimized': this.get('minimized') || false,
'time_minimized': this.get('time_minimized') || moment(),
});
},
maximize: function () {
this.save({
'minimized': false,
'time_opened': moment().valueOf()
});
},
minimize: function () {
this.save({
'minimized': true,
'time_minimized': moment().format()
});
},
},
ChatBoxView: {
events: {
'click .toggle-chatbox-button': 'minimize',
},
initialize: function () {
this.model.on('change:minimized', this.onMinimizedChanged, this);
return this._super.initialize.apply(this, arguments);
},
shouldShowOnTextMessage: function () {
return !this.model.get('minimized') &&
this._super.shouldShowOnTextMessage.apply(this, arguments);
},
setChatBoxHeight: function (height) {
if (!this.model.get('minimized')) {
return this._super.setChatBoxHeight.apply(this, arguments);
}
},
setChatBoxWidth: function (width) {
if (!this.model.get('minimized')) {
return this._super.setChatBoxWidth.apply(this, arguments);
}
},
onMinimizedChanged: function (item) {
if (item.get('minimized')) {
this.minimize();
} else {
this.maximize();
}
},
onMaximized: function () {
converse.chatboxviews.trimChats(this);
utils.refreshWebkit();
this.$content.scrollTop(this.model.get('scroll'));
this.setChatState(converse.ACTIVE).focus();
converse.emit('chatBoxMaximized', this);
},
onMinimized: function () {
utils.refreshWebkit();
converse.emit('chatBoxMinimized', this);
},
maximize: function () {
// Restore a minimized chat box
$('#conversejs').prepend(this.$el);
this.$el.show('fast', this.onMaximized.bind(this));
return this;
},
minimize: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
// save the scroll position to restore it on maximize
this.model.save({'scroll': this.$content.scrollTop()});
this.setChatState(converse.INACTIVE).model.minimize();
this.$el.hide('fast', this.onMinimized.bind(this));
},
},
ChatBoxes: {
chatBoxShouldBeShown: function (chatbox) {
return this._super.chatBoxShouldBeShown.apply(this, arguments) &&
!chatbox.get('minimized');
},
},
ChatBoxViews: {
showChat: function (attrs) {
/* Find the chat box and show it. If it doesn't exist, create it.
*/
var chatbox = this._super.showChat.apply(this, arguments);
if (chatbox.get('minimized')) {
chatbox.maximize();
}
return chatbox;
},
onChatBoxAdded: function (item) {
this.trimChats(this._super.onChatBoxAdded.apply(this, arguments));
},
getChatBoxWidth: function (view) {
if (!view.model.get('minimized') && view.$el.is(':visible')) {
return view.$el.outerWidth(true);
}
return 0;
},
trimChats: function (newchat) {
/* This method is called when a newly created chat box will
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* be shown.
*
* It checks whether there is enough space on the page to show
* another chat box. Otherwise it minimizes the oldest chat box
* to create space.
*/
if (converse.no_trimming || (this.model.length <= 1)) {
return;
}
var oldest_chat, boxes_width,
$minimized = converse.minimized_chats.$el,
minimized_width = _.contains(this.model.pluck('minimized'), true) ? $minimized.outerWidth(true) : 0,
new_id = newchat ? newchat.model.get('id') : null;
boxes_width = _.reduce(this.xget(new_id), function (memo, view) {
return memo + this.getChatBoxWidth(view);
}.bind(this), newchat ? newchat.$el.outerWidth(true) : 0);
if ((minimized_width + boxes_width) > $('body').outerWidth(true)) {
oldest_chat = this.getOldestMaximizedChat([new_id]);
if (oldest_chat) {
oldest_chat.minimize();
}
}
},
getOldestMaximizedChat: function (exclude_ids) {
// Get oldest view (if its id is not excluded)
var i = 0;
var model = this.model.sort().at(i);
while (_.contains(exclude_ids, model.get('id')) ||
model.get('minimized') === true) {
i++;
model = this.model.at(i);
if (!model) {
return null;
}
}
return model;
}
}
},
initialize: function () {
/* The initialize function gets called as soon as the plugin is
* loaded by converse.js's plugin machinery.
*/
this.updateSettings({
no_trimming: false, // Set to true for phantomjs tests (where browser apparently has no width)
});
converse.MinimizedChatBoxView = Backbone.View.extend({
tagName: 'div',
className: 'chat-head',
events: {
'click .close-chatbox-button': 'close',
'click .restore-chat': 'restore'
},
initialize: function () {
this.model.messages.on('add', function (m) {
if (m.get('message')) {
this.updateUnreadMessagesCounter();
}
}, this);
this.model.on('change:minimized', this.clearUnreadMessagesCounter, this);
},
render: function () {
var data = _.extend(
this.model.toJSON(),
{ 'tooltip': __('Click to restore this chat') }
);
if (this.model.get('type') === 'chatroom') {
data.title = this.model.get('name');
this.$el.addClass('chat-head-chatroom');
} else {
data.title = this.model.get('fullname');
this.$el.addClass('chat-head-chatbox');
}
return this.$el.html(converse.templates.trimmed_chat(data));
},
clearUnreadMessagesCounter: function () {
this.model.set({'num_unread': 0});
this.render();
},
updateUnreadMessagesCounter: function () {
this.model.set({'num_unread': this.model.get('num_unread') + 1});
this.render();
},
close: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
this.remove();
var view = converse.chatboxviews.get(this.model.get('id'));
if (view) {
// This will call model.destroy(), removing it from the
// collection and will also emit 'chatBoxClosed'
view.close();
} else {
this.model.destroy();
converse.emit('chatBoxClosed', this);
}
return this;
},
restore: _.debounce(function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
this.model.messages.off('add',null,this);
this.remove();
this.model.maximize();
}, 200, true)
});
converse.MinimizedChats = Backbone.Overview.extend({
el: "#minimized-chats",
events: {
"click #toggle-minimized-chats": "toggle"
},
initialize: function () {
this.initToggle();
this.model.on("add", this.onChanged, this);
this.model.on("destroy", this.removeChat, this);
this.model.on("change:minimized", this.onChanged, this);
this.model.on('change:num_unread', this.updateUnreadMessagesCounter, this);
},
tearDown: function () {
this.model.off("add", this.onChanged);
this.model.off("destroy", this.removeChat);
this.model.off("change:minimized", this.onChanged);
this.model.off('change:num_unread', this.updateUnreadMessagesCounter);
return this;
},
initToggle: function () {
this.toggleview = new converse.MinimizedChatsToggleView({
model: new converse.MinimizedChatsToggle()
});
var id = b64_sha1('converse.minchatstoggle'+converse.bare_jid);
this.toggleview.model.id = id; // Appears to be necessary for backbone.browserStorage
this.toggleview.model.browserStorage = new Backbone.BrowserStorage[converse.storage](id);
this.toggleview.model.fetch();
},
render: function () {
if (this.keys().length === 0) {
this.$el.hide('fast', converse.chatboxviews.trimChats.bind(converse.chatboxviews));
} else if (this.keys().length === 1) {
this.$el.show('fast', converse.chatboxviews.trimChats.bind(converse.chatboxviews));
}
return this.$el;
},
toggle: function (ev) {
if (ev && ev.preventDefault) { ev.preventDefault(); }
this.toggleview.model.save({'collapsed': !this.toggleview.model.get('collapsed')});
this.$('.minimized-chats-flyout').toggle();
},
onChanged: function (item) {
if (item.get('id') === 'controlbox') {
// The ControlBox has it's own minimize toggle
return;
}
if (item.get('minimized')) {
this.addChat(item);
} else if (this.get(item.get('id'))) {
this.removeChat(item);
}
},
addChat: function (item) {
var existing = this.get(item.get('id'));
if (existing && existing.$el.parent().length !== 0) {
return;
}
var view = new converse.MinimizedChatBoxView({model: item});
this.$('.minimized-chats-flyout').append(view.render());
this.add(item.get('id'), view);
this.toggleview.model.set({'num_minimized': this.keys().length});
this.render();
},
removeChat: function (item) {
this.remove(item.get('id'));
this.toggleview.model.set({'num_minimized': this.keys().length});
this.render();
},
updateUnreadMessagesCounter: function () {
var ls = this.model.pluck('num_unread'),
count = 0, i;
for (i=0; i<ls.length; i++) { count += ls[i]; }
this.toggleview.model.set({'num_unread': count});
this.render();
}
});
converse.MinimizedChatsToggle = Backbone.Model.extend({
initialize: function () {
this.set({
'collapsed': this.get('collapsed') || false,
'num_minimized': this.get('num_minimized') || 0,
'num_unread': this.get('num_unread') || 0
});
}
});
converse.MinimizedChatsToggleView = Backbone.View.extend({
el: '#toggle-minimized-chats',
initialize: function () {
this.model.on('change:num_minimized', this.render, this);
this.model.on('change:num_unread', this.render, this);
this.$flyout = this.$el.siblings('.minimized-chats-flyout');
},
render: function () {
this.$el.html(converse.templates.toggle_chats(
_.extend(this.model.toJSON(), {
'Minimized': __('Minimized')
})
));
if (this.model.get('collapsed')) {
this.$flyout.hide();
} else {
this.$flyout.show();
}
return this.$el;
}
});
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converse.on('controlBoxOpened', function (evt, chatbox) {
// Wrapped in anon method because at scan time, chatboxviews
// attr not set yet.
converse.chatboxviews.trimChats(chatbox);
});
}
});
}));