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vorlon.core.ts
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vorlon.core.ts
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module VORLON {
export class _Core {
_clientPlugins = new Array<ClientPlugin>();
_dashboardPlugins = new Array<DashboardPlugin>();
_messenger: ClientMessenger;
_sessionID: string;
_listenClientId: string;
_side: RuntimeSide;
_errorNotifier: any;
_messageNotifier: any;
_socketIOWaitCount = 0;
public debug: boolean = false;
_RetryTimeout = 1002;
public get Messenger(): ClientMessenger {
return Core._messenger;
}
public get ClientPlugins(): Array<ClientPlugin> {
return Core._clientPlugins;
}
public get DashboardPlugins(): Array<DashboardPlugin> {
return Core._dashboardPlugins;
}
public RegisterClientPlugin(plugin: ClientPlugin): void {
Core._clientPlugins.push(plugin);
}
public RegisterDashboardPlugin(plugin: DashboardPlugin): void {
Core._dashboardPlugins.push(plugin);
}
public StartClientSide(serverUrl = "'http://localhost:1337/'", sessionId = "", listenClientId = ""): void {
Core._side = RuntimeSide.Client;
Core._sessionID = sessionId;
Core._listenClientId = listenClientId;
// Checking socket.io
if ((<any>window).io === undefined) {
if (this._socketIOWaitCount < 10) {
this._socketIOWaitCount++;
// Let's wait a bit just in case socket.io was loaded asynchronously
setTimeout(function () {
console.log("Vorlon.js: waiting for socket.io to load...");
Core.StartClientSide(serverUrl, sessionId, listenClientId);
}, 1000);
} else {
console.log("Vorlon.js: please load socket.io before referencing vorlon.js or use includeSocketIO = true in your catalog.json file.");
Core.ShowError("Vorlon.js: please load socket.io before referencing vorlon.js or use includeSocketIO = true in your catalog.json file.", 0);
}
return;
}
// Cookie
var clientId = Tools.ReadCookie("vorlonJS_clientId");
if (!clientId) {
clientId = Tools.CreateGUID();
Tools.CreateCookie("vorlonJS_clientId", clientId, 1);
}
// Creating the messenger
Core._messenger = new ClientMessenger(Core._side, serverUrl, sessionId, clientId, listenClientId);
// Connect messenger to dispatcher
Core.Messenger.onRealtimeMessageReceived = Core._Dispatch;
Core.Messenger.onHeloReceived = Core._OnIdentificationReceived;
Core.Messenger.onIdentifyReceived = Core._OnIdentifyReceived;
Core.Messenger.onStopListenReceived = Core._OnStopListenReceived;
Core.Messenger.onError = Core._OnError;
// Say 'helo'
var heloMessage = {
ua: navigator.userAgent
};
Core.Messenger.sendRealtimeMessage("", heloMessage, Core._side, "helo");
// Launch plugins
for (var index = 0; index < Core._clientPlugins.length; index++) {
var plugin = Core._clientPlugins[index];
plugin.startClientSide();
}
// Handle client disconnect
window.addEventListener("beforeunload", function () {
Core.Messenger.sendRealtimeMessage("", { socketid: Core.Messenger.socketId }, Core._side, "clientclosed");
}, false);
// Start global dirty check, at this point document is not ready,
// little timeout to defer starting dirtycheck
setTimeout(() => {
this.startClientDirtyCheck();
}, 500);
}
public startClientDirtyCheck() {
var mutationObserver = (<any>window).MutationObserver || (<any>window).WebKitMutationObserver || null;
if (mutationObserver) {
if (!document.body.__vorlon)
document.body.__vorlon = {};
var config = { attributes: true, childList: true, subtree: true, characterData: true };
document.body.__vorlon._observerMutationObserver = new mutationObserver((mutations) => {
var sended = false;
mutations.forEach((mutation) => {
if (mutation.target && mutation.target.__vorlon && mutation.target.__vorlon.ignore) {
return;
}
if (mutation.target && !sended && mutation.target.__vorlon && mutation.target.parentNode && mutation.target.parentNode.__vorlon && mutation.target.parentNode.__vorlon.internalId) {
setTimeout(() => {
var internalId = null;
if (mutation && mutation.target && mutation.target.parentNode && mutation.target.parentNode.__vorlon && mutation.target.parentNode.__vorlon.internalId)
internalId = mutation.target.parentNode.__vorlon.internalId;
Core.Messenger.sendRealtimeMessage('ALL_PLUGINS', {
type: 'contentchanged',
internalId: internalId
}, Core._side, 'message');
}, 300);
}
sended = true;
});
});
document.body.__vorlon._observerMutationObserver.observe(document.body, config);
} else {
console.log("dirty check using html string");
var content;
if (document.body)
content = document.body.innerHTML;
setInterval(() => {
var html = document.body.innerHTML;
if (content != html) {
content = html;
Core.Messenger.sendRealtimeMessage('ALL_PLUGINS', {
type: 'contentchanged'
}, Core._side, 'message');
}
}, 2000);
}
}
public StartDashboardSide(serverUrl = "'http://localhost:1337/'", sessionId = "", listenClientId = "", divMapper: (string) => HTMLDivElement = null): void {
Core._side = RuntimeSide.Dashboard;
Core._sessionID = sessionId;
Core._listenClientId = listenClientId;
/* Notification elements */
Core._errorNotifier = document.createElement('x-notify');
Core._errorNotifier.setAttribute('type', 'error');
Core._errorNotifier.setAttribute('position', 'top');
Core._errorNotifier.setAttribute('duration', 5000);
Core._messageNotifier = document.createElement('x-notify');
Core._messageNotifier.setAttribute('position', 'top');
Core._messageNotifier.setAttribute('duration', 4000);
document.body.appendChild(Core._errorNotifier);
document.body.appendChild(Core._messageNotifier);
// Checking socket.io
if ((<any>window).io === undefined) {
if (this._socketIOWaitCount < 10) {
this._socketIOWaitCount++;
// Let's wait a bit just in case socket.io was loaded asynchronously
setTimeout(function () {
console.log("Vorlon.js: waiting for socket.io to load...");
Core.StartDashboardSide(serverUrl, sessionId, listenClientId, divMapper);
}, 1000);
} else {
console.log("Vorlon.js: please load socket.io before referencing vorlon.js or use includeSocketIO = true in your catalog.json file.");
Core.ShowError("Vorlon.js: please load socket.io before referencing vorlon.js or use includeSocketIO = true in your catalog.json file.", 0);
}
return;
}
// Cookie
var clientId = Tools.ReadCookie("vorlonJS_clientId");
if (!clientId) {
clientId = Tools.CreateGUID();
Tools.CreateCookie("vorlonJS_clientId", clientId, 1);
}
// Creating the messenger
Core._messenger = new ClientMessenger(Core._side, serverUrl, sessionId, clientId, listenClientId);
// Connect messenger to dispatcher
Core.Messenger.onRealtimeMessageReceived = Core._Dispatch;
Core.Messenger.onHeloReceived = Core._OnIdentificationReceived;
Core.Messenger.onIdentifyReceived = Core._OnIdentifyReceived;
Core.Messenger.onStopListenReceived = Core._OnStopListenReceived;
Core.Messenger.onError = Core._OnError;
// Say 'helo'
var heloMessage = {
ua: navigator.userAgent
};
Core.Messenger.sendRealtimeMessage("", heloMessage, Core._side, "helo");
// Launch plugins
for (var index = 0; index < Core._dashboardPlugins.length; index++) {
var plugin = Core._dashboardPlugins[index];
plugin.startDashboardSide(divMapper ? divMapper(plugin.getID()) : null);
}
}
private _OnStopListenReceived(): void {
Core._listenClientId = "";
}
private _OnIdentifyReceived(message: string): void {
//console.log('identify ' + message);
if (Core._side === RuntimeSide.Dashboard) {
Core._messageNotifier.innerHTML = message;
Core._messageNotifier.show();
}
else {
var div = document.createElement("div");
div.style.position = "absolute";
div.style.left = "0";
div.style.top = "50%";
div.style.marginTop = "-150px";
div.style.width = "100%";
div.style.height = "300px";
div.style.fontFamily = "Arial";
div.style.fontSize = "300px";
div.style.textAlign = "center";
div.style.color = "white";
div.style.textShadow = "2px 2px 5px black";
div.style.zIndex = "100";
div.innerHTML = message;
document.body.appendChild(div);
setTimeout(() => {
document.body.removeChild(div);
}, 4000);
}
}
private ShowError(message: string, timeout = 5000) {
if (Core._side === RuntimeSide.Dashboard) {
Core._errorNotifier.innerHTML = message;
Core._errorNotifier.setAttribute('duration', timeout);
Core._errorNotifier.show();
}
else {
var divError = document.createElement("div");
divError.style.position = "absolute";
divError.style.top = "0";
divError.style.left = "0";
divError.style.width = "100%";
divError.style.height = "100px";
divError.style.backgroundColor = "red";
divError.style.textAlign = "center";
divError.style.fontSize = "30px";
divError.style.paddingTop = "20px";
divError.style.color = "white";
divError.style.fontFamily = "consolas";
divError.style.zIndex = "1001";
divError.innerHTML = message;
document.body.appendChild(divError);
if (timeout) {
setTimeout(() => {
document.body.removeChild(divError);
}, timeout);
}
}
}
private _OnError(err: Error): void {
Core.ShowError("Error while connecting to server. Server may be offline.<BR>Error message: " + err.message);
}
private _OnIdentificationReceived(id: string): void {
//console.log('helo received ' + id);
Core._listenClientId = id;
if (Core._side === RuntimeSide.Client) {
// Refresh plugins
for (var index = 0; index < Core._clientPlugins.length; index++) {
var plugin = Core._clientPlugins[index];
plugin.refresh();
}
} else {
var elt = <HTMLElement>document.querySelector('.dashboard-plugins-overlay');
Tools.AddClass(elt, 'hidden');
}
}
private _RetrySendingRealtimeMessage(plugin: DashboardPlugin, message: VorlonMessage) {
setTimeout(() => {
if (plugin.isReady()) {
Core._DispatchFromClientPluginMessage(plugin, message);
return;
}
Core._RetrySendingRealtimeMessage(plugin, message);
}, Core._RetryTimeout);
}
private _Dispatch(message: VorlonMessage): void {
if (!message.metadata) {
console.error('invalid message ' + JSON.stringify(message));
return;
}
if (message.metadata.pluginID == 'ALL_PLUGINS') {
Core._clientPlugins.forEach((plugin) => {
Core._DispatchPluginMessage(plugin, message);
});
Core._dashboardPlugins.forEach((plugin) => {
Core._DispatchPluginMessage(plugin, message);
});
}
else {
Core._clientPlugins.forEach((plugin) => {
if (plugin.getID() === message.metadata.pluginID) {
Core._DispatchPluginMessage(plugin, message);
return;
}
});
Core._dashboardPlugins.forEach((plugin) => {
if (plugin.getID() === message.metadata.pluginID) {
Core._DispatchPluginMessage(plugin, message);
return;
}
});
}
}
private _DispatchPluginMessage(plugin: BasePlugin, message: VorlonMessage): void {
plugin.trace('received ' + JSON.stringify(message));
if (message.metadata.side === RuntimeSide.Client) {
if (!plugin.isReady()) { // Plugin is not ready, let's try again later
Core._RetrySendingRealtimeMessage(<DashboardPlugin>plugin, message);
} else {
Core._DispatchFromClientPluginMessage(<DashboardPlugin>plugin, message);
}
} else {
Core._DispatchFromDashboardPluginMessage(<ClientPlugin>plugin, message);
}
}
private _DispatchFromClientPluginMessage(plugin: DashboardPlugin, message: VorlonMessage): void {
if (message.command && plugin.DashboardCommands) {
var command = plugin.DashboardCommands[message.command];
if (command) {
command.call(plugin, message.data);
return;
}
}
plugin.onRealtimeMessageReceivedFromClientSide(message.data);
}
private _DispatchFromDashboardPluginMessage(plugin: ClientPlugin, message: VorlonMessage): void {
if (message.command && plugin.ClientCommands) {
var command = plugin.ClientCommands[message.command];
if (command) {
command.call(plugin, message.data);
return;
}
}
plugin.onRealtimeMessageReceivedFromDashboardSide(message.data);
}
}
export var Core = new _Core();
}