Support updating MIDlets via platformRequest. Fixes #359

index.js

@@ -472,8 +472,8 @@ DumbPipe.registerOpener("notification", function(message, sender) {
   }
 });
 
-DumbPipe.registerOpener("JARDownloader", function(message, sender) {
-  loadWithProgress(urlParams.downloadJAD, "text", function(jadData) {
+DumbPipe.registerOpener("JARDownloader", function(url, sender) {
+  loadWithProgress(url, "text", function(jadData) {
     try {
       var manifest = {};
 
@@ -494,7 +494,7 @@ DumbPipe.registerOpener("JARDownloader", function(message, sender) {
 
       if (!jarURL.startsWith("http")) {
         var jarName = jarURL.substring(jarURL.lastIndexOf("/") + 1);
-        jarURL = urlParams.downloadJAD.substring(0, urlParams.downloadJAD.lastIndexOf("/") + 1) + jarName;
+        jarURL = url.substring(0, url.lastIndexOf("/") + 1) + jarName;
       }
 
       loadWithProgress(jarURL, "arraybuffer", function(jarData) {

main.js

@@ -82,13 +82,13 @@ if (urlParams.jad) {
   loadingPromises.push(load(urlParams.jad, "text").then(processJAD));
 }
 
-function performDownload(dialog, callback) {
+function performDownload(url, dialog, callback) {
   var dialogText = dialog.querySelector('h1.download-dialog-text');
   dialogText.textContent = "Downloading " + MIDlet.name + "…";
 
   var progressBar = dialog.querySelector('progress.pack-activity');
 
-  var sender = DumbPipe.open("JARDownloader", {}, function(message) {
+  var sender = DumbPipe.open("JARDownloader", url, function(message) {
     switch (message.type) {
       case "done":
         DumbPipe.close(sender);
@@ -121,7 +121,7 @@ function performDownload(dialog, callback) {
 
           progressBar.style.display = '';
 
-          performDownload(dialog, callback);
+          performDownload(url, dialog, callback);
         });
 
         break;
@@ -156,7 +156,7 @@ if (urlParams.downloadJAD) {
           dialog.classList.add('visible');
           document.body.appendChild(dialog);
 
-          performDownload(dialog, function(data) {
+          performDownload(urlParams.downloadJAD, dialog, function(data) {
             dialog.parentElement.removeChild(dialog);
 
             jvm.addPath("midlet.jar", data.jarData);

midp/midp.js

@@ -227,7 +227,36 @@ Native.create("com/sun/midp/security/Permissions.loadGroupPermissions.(Ljava/lan
 Native.create("com/sun/midp/main/CldcPlatformRequest.dispatchPlatformRequest.(Ljava/lang/String;)Z", function(request) {
     request = util.fromJavaString(request);
     if (request.startsWith("http://") || request.startsWith("https://")) {
-        DumbPipe.close(DumbPipe.open("windowOpen", request));
+        if (request.endsWith(".jad")) {
+            var dialog = document.getElementById('download-progress-dialog').cloneNode(true);
+            dialog.style.display = 'block';
+            dialog.classList.add('visible');
+            document.body.appendChild(dialog);
+
+            performDownload(request, dialog, function(data) {
+              dialog.parentElement.removeChild(dialog);
+
+              Promise.all([
+                new Promise(function(resolve, reject) {
+                  fs.remove("/midlet.jad", function() {
+                    console.log(data.jadData);
+                    fs.create("/midlet.jad", new Blob([ data.jadData ]), resolve);
+                  });
+                }),
+                new Promise(function(resolve, reject) {
+                  fs.remove("/midlet.jar", function() {
+                    fs.create("/midlet.jar", new Blob([ data.jarData ]), resolve);
+                  });
+                }),
+              ]).then(function() {
+                DumbPipe.close(DumbPipe.open("alert", "Update completed!"));
+              });
+            });
+
+            return true;
+        } else {
+            DumbPipe.close(DumbPipe.open("windowOpen", request));
+        }
     } else if (request.startsWith("x-contacts:add?number=")) {
         new MozActivity({
             name: "new",