major wip

www/common/sframe-ctrl.js

@@ -0,0 +1,51 @@
+// This file provides the external API for launching the sandboxed iframe.
+define([
+    '/common/requireconfig.js'
+], function (RequireConfig) {
+    var iframe;
+    var handlers = {};
+    var queries = {};
+    var module = { exports: {} };
+
+    var mkTxid = function () {
+        return Math.random().toString(16).replace('0.', '') + Math.random().toString(16).replace('0.', '');
+    };
+
+    var init = module.exports.init = function (frame, cb) {
+        if (iframe) { throw new Error('already initialized'); }
+        var txid = mkTxid();
+        var intr = setInterval(function () {
+            frame.contentWindow.postMessage({
+                txid: txid,
+                requireConf: RequireConfig,
+                q: 'INIT'
+            }, '*');
+        });
+        window.addEventListener('message', function (msg) {
+            console.log('recv');
+            console.log(msg.origin);
+            var data = msg.data;
+            if (data.txid !== txid) { return; }
+            clearInterval(intr);
+            iframe = frame;
+            cb();
+        });
+    };
+    var query = module.exports.query = function (msg, cb) {
+        if (!iframe) { throw new Error('not yet initialized'); }
+        var txid = mkTxid();
+        queries[txid] = {
+            txid: txid,
+            timeout: setTimeout(function () {
+                delete queries[txid];
+                console.log("Error")
+            })
+        };
+    };
+    var registerHandler = module.exports.registerHandler = function (queryType, handler) {
+        if (typeof(handlers[queryType]) !== 'undefined') { throw new Error('already registered'); }
+        handlers[queryType] = handler;
+    };
+
+    return module.exports;
+});