X-Git-Url: http://git.scottworley.com/reliable-chat/blobdiff_plain/c5376b1bd6a815e97803e06140fc50e721f9c48f..24923aff2cc8021178c7e2acafce2b834c6bc2bc:/webclient/rc.js

diff --git a/webclient/rc.js b/webclient/rc.js
index 13190c5..a5b8736 100644
--- a/webclient/rc.js
+++ b/webclient/rc.js
@@ -1,10 +1,101 @@
+var servers = ['chkno.net', 'localhost'];
+
+var session = Math.random();
+var seen = {};
+
+function rcserverbase(server) {
+	// Add the default port if server doesn't contain a port number already
+	if (server.indexOf(":") == -1) {
+		return "http://" + server + ":21059";
+	} else {
+		return "http://" + server;
+	}
+}
+
+function rcchangeserverstatus(server, new_status) {
+	var statusbar = document.getElementById("status");
+	var spans = statusbar.getElementsByTagName("span");
+	for (i in spans) {
+		if (spans[i].firstChild && 'data' in spans[i].firstChild && spans[i].firstChild.data == server) {
+			spans[i].setAttribute("class", new_status);
+		}
+	}
+}
+
+function rcaddmessagetohistory(message) {
+	var d = document.createElement("div");
+	d.appendChild(document.createTextNode(message));
+	var h = document.getElementById("history");
+	h.appendChild(d);
+	window.scrollTo(0, document.body.scrollHeight);
+	return d;
+}
+
+function make_seen_key(id, text) {
+	return id.replace(/@/g, "@@") + "_@_" + text.replace(/@/g, "@@");
+}
+
+function receiveMessage(server, time, id, text) {
+	var seen_key = make_seen_key(id, text);
+	if (!(seen_key in seen)) {
+		seen[seen_key] = true;
+		rcaddmessagetohistory(text);
+		for (i in servers) {
+			rcchangeserverstatus(servers[i], "sad");
+		}
+	}
+	rcchangeserverstatus(server, "happy");
+}
+
+function receiveMessageEvent(event)  
+{  
+	for (i in servers) {
+		if (event.origin === rcserverbase(servers[i])) {
+			messages = JSON.parse(event.data);
+			for (j in messages) {
+				if ('Time' in messages[j] &&
+				    'ID'   in messages[j] &&
+				    'Text' in messages[j]) {
+					receiveMessage(servers[i], messages[j]['Time'], messages[j]['ID'], messages[j]['Text']);
+				}
+			}
+		}
+	}
+}
+
+function rcconnect() {
+	window.addEventListener("message", receiveMessageEvent, false);  
+	for (i in servers) {
+		// Create a hidden iframe for same-origin workaround
+		var iframe = document.createElement("iframe");
+		iframe.setAttribute("src", rcserverbase(servers[i]) + "/frame");
+		document.body.insertBefore(iframe, document.body.firstChild);
+		// Status bar entry
+		var status_indicator = document.createElement("span");
+		status_indicator.appendChild(document.createTextNode(servers[i]));
+		status_indicator.setAttribute("class", "sad");
+		document.getElementById("status").appendChild(status_indicator);
+	}
+}
+
+function rcsend(d, message) {
+	var id = new Date().getTime() + "-" + session + "-" + Math.random();
+	seen[make_seen_key(id, message)] = true;
+	var path = "/speak" +
+		"?id=" + encodeURIComponent(id) +
+		"&text=" + encodeURIComponent(message);
+	for (i in servers) {
+		var uri = rcserverbase(servers[i]) + path;
+		var img = document.createElement("img");
+		img.setAttribute("src", uri);
+		d.appendChild(img);
+	}
+}
+
 function rckeydown(event) {
 	if (event.keyCode == 13) {
-		var d = document.createElement("div");
-		d.appendChild(document.createTextNode(document.input.say.value));
-		var h = document.getElementById("history");
-		h.appendChild(d);
-		window.scrollTo(0, document.body.scrollHeight);
+		var d = rcaddmessagetohistory(document.input.say.value);
+		rcsend(d, document.input.say.value);
 		document.input.say.value = "";
 		return false;
 	}