# HG changeset patch
# User Jaroslav Tulach <jaroslav.tulach@apidesign.org>
# Date 1401114051 -7200
# Node ID ec62383beb7d0470424c7c73ad511fa7eb140353
# Parent  0e022ce3f23a1af7edc551dbaade78760b2b76e7
Shorten the name to register an extension and use configuration object with a generated magic to ensure basic level of consistency.

diff -r 0e022ce3f23a -r ec62383beb7d launcher/http/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java
--- a/launcher/http/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Mon May 26 14:34:46 2014 +0200
+++ b/launcher/http/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Mon May 26 16:20:51 2014 +0200
@@ -122,7 +122,7 @@
             + "    args.unshift(ldCls);\n"
             + "    return prevvm.apply(null, args);\n"
             + "  };\n"
-            + "  global.bck2brwsr.registerExtension = prevvm.registerExtension;\n"
+            + "  global.bck2brwsr.register = prevvm.register;\n"
             + "})(this);\n"
         );
         LOG.log(Level.INFO, "Serving bck2brwsr.js", b2b);
diff -r 0e022ce3f23a -r ec62383beb7d rt/vm/src/main/java/org/apidesign/vm4brwsr/ClosureWrapper.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ClosureWrapper.java	Mon May 26 14:34:46 2014 +0200
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ClosureWrapper.java	Mon May 26 16:20:51 2014 +0200
@@ -158,7 +158,7 @@
     private static final String[] FIXED_EXTERNS = {
         "bck2brwsr",
         "bck2BrwsrThrwrbl",
-        "registerExtension",
+        "register",
         "$class",
         "anno",
         "array",
diff -r 0e022ce3f23a -r ec62383beb7d rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java
--- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Mon May 26 14:34:46 2014 +0200
+++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Mon May 26 16:20:51 2014 +0200
@@ -588,7 +588,11 @@
                 + "    return loader;\n"
                 + "  };\n");
             append(
-                  "  global.bck2brwsr.registerExtension = function(extension) {\n"
+                  "  global.bck2brwsr.register = function(config, extension) {\n"
+                + "    if (!config || config['magic'] !== 'kafíčko') {\n"
+                + "      console.log('Will not register: ' + extension);\n"
+                + "      return false;\n"
+                + "    }\n"
                 + "    extensions.push(extension);\n"
                 + "    return null;\n"
                 + "  };\n");
@@ -619,7 +623,9 @@
 
         @Override
         protected void generatePrologue() throws IOException {
-            append("bck2brwsr.registerExtension(function(exports) {\n"
+            append("bck2brwsr.register({\n"
+                    + "'magic' : 'kafíčko'\n"
+                + "}, function(exports) {\n"
                            + "  var vm = {};\n");
             append("  function link(n) {\n"
                 + "    return function() {\n"