javascript reference with promise and event
[src/app-framework-binder.git] / test / AFB.js
index d0febcd..ae2fd8b 100644 (file)
@@ -13,17 +13,19 @@ var AFB_context;
        var UUID = undefined;
        var TOKEN = initialtoken;
 
-       AFB_context = function(token, uuid) {
+       var context = function(token, uuid) {
                this.token = token;
                this.uuid = uuid;
        }
 
-       AFB_context.prototype = {
+       context.prototype = {
                get token() {return TOKEN;},
                set token(tok) {if(tok) TOKEN=tok;},
                get uuid() {return UUID;},
                set uuid(id) {if(id) UUID=id;}
        };
+
+       AFB_context = new context();
 }
 /*********************************************/
 /****                                     ****/
@@ -35,14 +37,15 @@ var AFB_websocket;
        var CALL = 2;
        var RETOK = 3;
        var RETERR = 4;
+       var EVENT = 5;
 
        var PROTO1 = "x-afb-ws-json1";
 
-       AFB_websocket = function(onopen, onabort, ctx) {
+       AFB_websocket = function(onopen, onabort) {
                this.ws = new WebSocket(urlws, [ PROTO1 ]);
                this.pendings = {};
+               this.awaitens = {};
                this.counter = 0;
-               this.ctx = ctx || new AFB_context();
                this.ws.onopen = onopen.bind(this);
                this.ws.onerror = onerror.bind(this);
                this.ws.onclose = onclose.bind(this);
@@ -77,24 +80,46 @@ var AFB_websocket;
                this.onclose && this.onclose();
        }
 
+       function fire(awaitens, name, data) {
+               var a = awaitens[name];
+               if (a)
+                       a.forEach(function(handler){handler(data);});
+               var i = name.indexOf("/");
+               if (i >= 0) {
+                       a = awaitens[name.substring(0,i)];
+                       if (a)
+                               a.forEach(function(handler){handler(data);});
+               }
+               a = awaitens["*"];
+               if (a)
+                       a.forEach(function(handler){handler(data);});
+       }
+
+       function reply(pendings, id, ans, offset) {
+               if (id in pendings) {
+                       var p = pendings[id];
+                       delete pendings[id];
+                       var f = p[offset];
+                       f(ans);
+               }
+       }
+
        function onmessage(event) {
                var obj = JSON.parse(event.data);
                var code = obj[0];
                var id = obj[1];
                var ans = obj[2];
-               this.ctx.token = obj[3];
-               var pend;
-               if (id && id in this.pendings) {
-                       pend = this.pendings[id];
-                       delete this.pendings[id];
-               }
+               AFB_context.token = obj[3];
                switch (code) {
                case RETOK:
-                       pend && pend.onsuccess && pend.onsuccess(ans, this);
+                       reply(this.pendings, id, ans, 0);
                        break; 
                case RETERR:
+                       reply(this.pendings, id, ans, 1);
+                       break; 
+               case EVENT:
                default:
-                       pend && pend.onerror && pend.onerror(ans, this);
+                       fire(this.awaitens, id, ans);
                        break; 
                }
        }
@@ -103,17 +128,29 @@ var AFB_websocket;
                this.ws.close();
        }
 
-       function call(api, verb, request, onsuccess, onerror) {
-               var id = String(++this.counter);
-               this.pendings[id] = { onsuccess: onsuccess, onerror: onerror };
-               var arr = [CALL, id, api+"/"+verb, request ];
-               if (this.ctx.token) arr.push(this.ctx.token);
-               this.ws.send(JSON.stringify(arr));
+       function call(method, request) {
+               return new Promise((function(resolve, reject){
+                       var id, arr;
+                       do {
+                               id = String(this.counter = 4095 & (this.counter + 1));
+                       } while (id in this.pendings);
+                       this.pendings[id] = [ resolve, reject ];
+                       arr = [CALL, id, method, request ];
+                       if (AFB_context.token) arr.push(AFB_context.token);
+                       this.ws.send(JSON.stringify(arr));
+               }).bind(this));
+       }
+
+       function onevent(name, handler) {
+               var id = name;
+               var list = this.awaitens[id] || (this.awaitens[id] = []);
+               list.push(handler);
        }
 
        AFB_websocket.prototype = {
                close: close,
-               call: call
+               call: call,
+               onevent: onevent
        };
 }
 /*********************************************/