The core for a modular plugin system for InstaSynch
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// ==UserScript==
// @name InstaSynchP Core
// @namespace InstaSynchP
// @description The core for a modular plugin system for InstaSynch
// @version 1.4.2.1
// @author Zod-
// @source https://github.com/Zod-/InstaSynchP-Core
// @license MIT
// @include *://instasync.com/r/*
// @include *://*.instasync.com/r/*
// @grant none
// @run-at document-end
// @require https://greasyfork.org/scripts/2859-video-url-parser/code/Video%20Url%20Parser.js?version=30624
// @require https://greasyfork.org/scripts/2855-gm-config/code/GM_config.js?version=33973
// @require https://greasyfork.org/scripts/2857-jquery-bind-first/code/jquerybind-first.js?version=26080
// @require https://greasyfork.org/scripts/8159-log4javascript/code/log4javascript.js?version=37575
// @require https://greasyfork.org/scripts/5647-instasynchp-library/code/code.js?version=37716
// @require https://greasyfork.org/scripts/8177-instasynchp-logger/code/code.js?version=37872
// @require https://greasyfork.org/scripts/6573-instasynchp-plugin-manager/code/code.js?version=42665
// @require https://greasyfork.org/scripts/5718-instasynchp-cssloader/code/code.js?version=43457
// @require https://greasyfork.org/scripts/5719-instasynchp-settings/code/code.js?version=42666
// @require https://greasyfork.org/scripts/6332-instasynchp-commands/code/code.js?version=37738
// @require https://greasyfork.org/scripts/5651-instasynchp-event-hooks/code/code.js?version=38337
// ==/UserScript==
function Core(version) {
"use strict";
this.version = version;
this.name = 'InstaSynchP Core';
this.listeners = {};
this.connected = false;
}
Core.prototype.executeOnceCore = function () {
"use strict";
var th = this;
window.events = (function () {
return {
//bind event handlers
'on': function (ref, eventNames, callback, preOld) {
if (typeof callback === 'undefined') {
return;
}
logger().debug(th.name, "On", eventNames, !isUdef(callback) ?
callback.name : undefined,
"preOld", preOld, !isUdef(ref) ? ref.name : undefined);
var arr = eventNames.split(','),
eventName,
i;
for (i = 0; i < arr.length; i += 1) {
eventName = arr[i].trim();
if (typeof th.listeners[eventName] === 'undefined') {
th.listeners[eventName] = {
'preOld': [],
'postOld': []
};
}
//execute it before are after the overwritten function
if (preOld) {
th.listeners[eventName].preOld.push({
ref: ref,
callback: callback
});
} else {
th.listeners[eventName].postOld.push({
ref: ref,
callback: callback
});
}
}
},
//bind event handler and remove any previous once
'once': function (ref, eventNames, callback, preOld) {
this.unbind(eventNames, callback);
this.on(ref, eventNames, callback, preOld);
},
//unbind event handlers
'unbind': function (eventNames, callback) {
if (isUdef(callback)) {
return;
}
logger().debug(th.name, "Unbind", eventNames, callback.name);
var arr = eventNames.split(','),
i, temp;
//search all occurences of callback and remove it
function removeCallback(eventName, old) {
if (typeof th.listeners[eventName] === 'undefined') {
return;
}
for (var j = 0; j < th.listeners[eventName][old].length; j +=
1) {
if (th.listeners[eventName][old][j].callback === callback) {
th.listeners[eventName][old].splice(j, 1);
j -= 1;
}
}
}
for (i = 0; i < arr.length; i += 1) {
temp = arr[i].trim();
removeCallback(temp, 'preOld');
removeCallback(temp, 'postOld');
}
},
//fire the event with the given parameters
'fire': function (eventName, parameters, preOld) {
var i,
listenersCopy;
if (eventName !== 'PageMessage' && !eventName.startsWith(
'Input')) {
try {
logger().debug(th.name, "Fire", eventName, "preOld", preOld,
JSON.stringify(parameters));
} catch (ignore) {
logger().debug(th.name, "Fire", eventName, "preOld", preOld,
parameters);
}
}
if (typeof th.listeners[eventName] === 'undefined') {
return;
}
//make a copy of the listener list since some handlers
//could remove listeners changing the length of the array
//while iterating over it
if (preOld) {
listenersCopy = [].concat(th.listeners[eventName].preOld);
} else {
listenersCopy = [].concat(th.listeners[eventName].postOld);
}
//fire the events and catch possible errors
for (i = 0; i < listenersCopy.length; i += 1) {
try {
listenersCopy[i].callback.apply(listenersCopy[i].ref,
parameters);
} catch (err) {
logger().error(th.name, eventName, err.message,
listenersCopy[i].callback.name,
listenersCopy[i].ref ? listenersCopy[i].ref.name :
undefined,
err.stack
);
}
}
}
};
}());
//create Plugins button
var clone = $('#user_dropdown').clone();
clone.attr('id', 'plugin_dropdown');
$('a', clone).attr('href', '#').attr('onClick', '');
$('.fa-user', clone).toggleClass('fa-user').toggleClass('fa-plug').before(
$('#tabs_chat > a > span').clone().css('margin-right', '2px').toggleClass(
'updates')
.css('animation', 'unread-msg-count 3s infinite')
.css('-webkit-animation', 'unread-msg-count 3s infinite')
.css('-moz-animation', 'unread-msg-count 3s infinite')
.css('border-radius', '4px')
);
$('#my_room_link', clone).parent().remove();
$('#logged_in_as', clone).attr('id', 'plugins_settings_title').text(
'Plugins');
$('.dropdown-menu > li:first-child > a', clone).attr('id',
'plugin_settings');
$('#logout', clone).attr('id', 'plugin_manager').text('').append(
$('#tabs_chat > a > span').clone().css('margin-right', '3px').toggleClass(
'updates')
.css('animation', 'unread-msg-count 3s infinite')
.css('-webkit-animation', 'unread-msg-count 3s infinite')
.css('-moz-animation', 'unread-msg-count 3s infinite')
.css('border-radius', '4px')
).append(
$('<i>', {
'class': 'fa fa-database'
})
).append(' Manager');
$('.fa-cog', clone).toggleClass('fa-cogs').toggleClass('fa-cog');
$('#user_dropdown').before(clone);
};
Core.prototype.postConnect = function () {
"use strict";
var th = this;
$('#plugin_dropdown').css('display', 'initial');
};
Core.prototype.resetVariables = function () {
"use strict";
this.connected = false;
window.userInfo = undefined;
};
Core.prototype.main = function () {
"use strict";
var th = this,
plugins = window.plugins;
th.executeOnceCore();
plugins.logger.executeOnceCore();
plugins.commands.executeOnceCore();
//don't want to have ask if its firefox or chrome everytime
logger().info(th.name, navigator.userAgent);
plugins.pluginManager.executeOnceCore();
events.on(plugins.settings, 'ExecuteOnce', plugins.settings.executeOnceCore);
events.on(th, 'PreConnect,Disconnect', function () {
events.fire('ResetVariables');
});
function loadStyle(style) {
plugins.settings.fields.push({
'label': '',
'id': style.name + '-css-content',
'type': 'hidden',
'value': '',
'section': ['Core']
});
plugins.settings.fields.push({
'label': '',
'id': style.name + '-css-url',
'type': 'hidden',
'value': '',
'section': ['Core']
});
events.on(plugins.cssLoader, 'ExecuteOnce', function () {
plugins.cssLoader.addStyle(style);
});
}
//prepare plugins
for (var pluginName in plugins) {
if (!plugins.hasOwnProperty(pluginName)) {
continue;
}
var plugin = plugins[pluginName];
if (!plugin.enabled) {
logger().info(th.name, "Skipping disabled plugin", plugin.name, plugin.version);
continue;
}
logger().info(th.name, "Found plugin", plugin.name, plugin.version);
events.on(plugin, 'PreConnect', plugin.preConnect);
events.on(plugin, 'PostConnect', plugin.postConnect);
events.on(plugin, 'ExecuteOnce', plugin.executeOnce);
events.on(plugin, 'ResetVariables', plugin.resetVariables);
commands.bind(plugin.commands);
if (Array.isArray(plugin.settings)) {
plugins.settings.fields = plugins.settings.fields.concat(plugin.settings);
}
if (Array.isArray(plugin.styles)) {
plugin.styles.forEach(loadStyle);
}
}
function load() {
//we are not connected yet
events.fire('PreConnect');
//if the script was loading slow and we are already connected
if (window.userInfo) {
th.connected = true;
events.fire('PostConnect');
}
}
//these need to be executed last
events.on(plugins.eventHooks, 'ExecuteOnce', plugins.eventHooks.executeOnceCore);
events.on(th, 'LoadUserlist', function () {
th.connected = true;
events.fire('PostConnect');
});
//execute one time only scripts
events.fire('ExecuteOnce');
load();
};
window.plugins = window.plugins || {};
window.plugins.core = new Core('1.4.2.1');
if (window.document.readyState === 'complete') {
window.plugins.core.main();
} else {
window.addEventListener('load', function () {
window.plugins.core.main();
}, false);
}