[WEBCARDS] Update some webcards stuff

2 files changed, 77 insertions, 0 deletions

diff --git a/webcards/scripts/socket/message.js b/webcards/scripts/socket/message.js
new file mode 100644
index 0000000..5e821c4
--- /dev/null
+++ b/webcards/scripts/socket/message.js
@@ -0,0 +1,14 @@
+function Message(type, data){
+    this.t = type;
+    this.d = data;
+}
+
+Message.prototype = {
+    stringify: function(){
+        var dat = this.d
+        if(typeof dat !== "string"){
+            dat = JSON.stringify(dat);
+        }
+        return JSON.stringify({type: this.t, data: dat});
+    }
+};
diff --git a/webcards/scripts/socket/sock.js b/webcards/scripts/socket/sock.js
new file mode 100644
index 0000000..cf06a5e
--- /dev/null
+++ b/webcards/scripts/socket/sock.js
@@ -0,0 +1,63 @@
+// A wrapper around the wrapper 
+function SockWorker(serveraddr, version, callback) {
+    this.server = serveraddr;
+    this.version = version;
+    this.cb = callback;
+}
+
+SockWorker.prototype = {
+    // Initialize the connection.
+    init: function() {
+        if(this.server == "" || this.server == null) {
+            return;
+        }
+        try {
+            this.socket = new WebSocket(this.server);
+
+            this.socket.addEventListener("open", this.o.bind(this));
+            this.socket.addEventListener("message", this.msg.bind(this));
+
+            this.socket.addEventListener("closed", this.c.bind(this));
+            this.socket.addEventListener("error", this.err.bind(this));
+        } catch (e) {
+            this.err();
+        }
+    },
+
+    // Called when the connection connects to the server
+    o: function() {
+        this.send("version", this.version);
+    },
+
+    // Called when the connection gets a message from the server
+    // Attempts to turn the message into a usable object and pass it to the callback
+    msg: function(e) {
+        if(typeof e.data == "string") {
+            var dat = JSON.parse(e.data)
+            this.cb(dat);
+        }
+    },
+
+    // Called when the connection closes.
+    // Passes a close object to the callback.
+    c: function() {
+        this.cb({type: "close", data: ""});
+    },
+
+    // Called when the connection encounters an error.
+    // Passes an error to the callback
+    err: function() {
+        this.cb({type: "error", data: ""});
+    },
+    
+    // Call to close the connection to the server
+    close: function() {
+        this.socket.close();
+    },
+
+    // Send a message to the server
+    send: function(type, data) {
+        var m = new Message(type, data);
+        this.socket.send(m.stringify())
+    }
+};
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