Merge pull request #698 from PinZhang/pzhang/no-camera

VM stops if no camera is found.

index.js

@@ -375,6 +375,7 @@ DumbPipe.registerOpener("camera", function(message, sender) {
     video.play();
   }, function(err) {
     console.log("Error: " + err);
+    sender({ type: "initerror", name: err.name, message: err.message });
   });
 
   return function(message) {

midp/media.js

@@ -422,17 +422,30 @@ function ImageRecorder(playerContainer) {
 ImageRecorder.prototype.realize = function() {
     return new Promise((function(resolve, reject) {
         this.realizeResolver = resolve;
+        this.realizeRejector = reject;
         this.sender = DumbPipe.open("camera", {}, this.recipient.bind(this));
     }).bind(this));
 }
 
 ImageRecorder.prototype.recipient = function(message) {
     switch (message.type) {
+        case "initerror":
+            if (message.name == "PermissionDeniedError") {
+                this.realizeRejector(new JavaException("java/lang/SecurityException", "Not permitted to init camera"));
+            } else {
+                this.realizeRejector(new JavaException("javax/microedition/media/MediaException", "Failed to init camera, no camera?"));
+            }
+            this.realizeResolver = null;
+            this.realizeRejector = null;
+            this.sender({ type: "close" });
+            break;
+
         case "gotstream":
             this.width = message.width;
             this.height = message.height;
             this.realizeResolver(true);
             this.realizeResolver = null;
+            this.realizeRejector = null;
             break;
 
         case "snapshot":
@@ -580,7 +593,7 @@ PlayerContainer.prototype.realize = function(contentType) {
             } else {
                 this.player = new ImagePlayer(this);
             }
-            this.player.realize().then(resolve);
+            this.player.realize().then(resolve, reject);
         } else {
             console.warn("Unsupported media format (" + this.mediaFormat + ") for " + this.url);
             resolve(false);