Bug 781127 - [b2g][Web Activities][System Message Handler] mozChromeEvent to System app does not expose enough information [r=vingtetun]

b2g/chrome/content/shell.js

@@ -347,7 +347,8 @@ Services.obs.addObserver(function onSystemMessage(subject, topic, data) {
     type: 'open-app',
     url: msg.uri,
     origin: origin,
-    manifest: msg.manifest
+    manifest: msg.manifest,
+    target: msg.target
   });
 }, 'system-messages-open-app', false);
 

dom/activities/src/ActivitiesService.jsm

@@ -224,7 +224,8 @@ let Activities = {
         let result = aResults.options[aChoice];
         sysmm.sendMessage("activity", {
           "id": aMsg.id,
-          "payload": aMsg.options
+          "payload": aMsg.options,
+          "target": result.description
         }, Services.io.newURI(result.manifest, null, null));
 
         if (!result.description.returnValue) {

dom/messages/SystemMessageInternal.js

@@ -58,7 +58,10 @@ SystemMessageInternal.prototype = {
       }
 
       // We don't need to send the full object to observers.
-      let page = { uri: aPage.uri, manifest: aPage.manifest };
+      let page = { uri: aPage.uri,
+                   manifest: aPage.manifest,
+                   type: aPage.type,
+                   target: aMessage.target };
       debug("Asking to open  " + JSON.stringify(page));
       Services.obs.notifyObservers(this, "system-messages-open-app", JSON.stringify(page));
     }.bind(this))