Bug 794011 - Add 'sessionEnded' to nsIDOMUSSDReceivedEvent. r=mounir

dom/network/interfaces/nsIDOMUSSDReceivedEvent.idl

@@ -4,8 +4,9 @@
 
 #include "nsIDOMEvent.idl"
 
-[scriptable, builtinclass, uuid(1b8ea6e4-8142-4aba-b174-4d580b5bc294)]
+[scriptable, builtinclass, uuid(c0de7fba-725f-4180-b1f1-83163014d1e2)]
 interface nsIDOMUSSDReceivedEvent : nsIDOMEvent
 {
   readonly attribute DOMString message;
+  [infallible] readonly attribute boolean sessionEnded;
 };

dom/network/src/MobileConnection.cpp

@@ -19,6 +19,8 @@
 #include "nsJSON.h"
 #include "jsapi.h"
 
+#include "mozilla/dom/USSDReceivedEventBinding.h"
+
 #define NS_RILCONTENTHELPER_CONTRACTID "@mozilla.org/ril/content-helper;1"
 
 #define VOICECHANGE_EVENTNAME      NS_LITERAL_STRING("voicechange")
@@ -157,13 +159,15 @@ MobileConnection::Observe(nsISupports* aSubject,
   }
 
   if (!strcmp(aTopic, kUssdReceivedTopic)) {
-    nsString ussd;
-    ussd.Assign(aData);
-    nsRefPtr<USSDReceivedEvent> event = USSDReceivedEvent::Create(ussd);
+    mozilla::dom::USSDReceivedEventDict dict;
+    bool ok = dict.Init(nsDependentString(aData));
+    NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE);
+
+    nsRefPtr<USSDReceivedEvent> event =
+      USSDReceivedEvent::Create(dict.message, dict.sessionEnded);
     NS_ASSERTION(event, "This should never fail!");
 
-    nsresult rv =
-      event->Dispatch(ToIDOMEventTarget(), USSDRECEIVED_EVENTNAME);
+    nsresult rv = event->Dispatch(ToIDOMEventTarget(), USSDRECEIVED_EVENTNAME);
     NS_ENSURE_SUCCESS(rv, rv);
     return NS_OK;
   }

dom/network/src/USSDReceivedEvent.cpp

@@ -14,13 +14,14 @@ namespace dom {
 namespace network {
 
 already_AddRefed<USSDReceivedEvent>
-USSDReceivedEvent::Create(nsAString& aMessage)
+USSDReceivedEvent::Create(nsAString& aMessage, bool aSessionEnded)
 {
   NS_ASSERTION(!aMessage.IsEmpty(), "Empty message!");
 
   nsRefPtr<USSDReceivedEvent> event = new USSDReceivedEvent();
 
   event->mMessage = aMessage;
+  event->mSessionEnded = aSessionEnded;
 
   return event.forget();
 }
@@ -40,6 +41,13 @@ USSDReceivedEvent::GetMessage(nsAString& aMessage)
   return NS_OK;
 }
 
+/* [infallible] */ NS_IMETHODIMP
+USSDReceivedEvent::GetSessionEnded(bool* aSessionEnded)
+{
+  *aSessionEnded = mSessionEnded;
+  return NS_OK;
+}
+
 }
 }
 }

dom/network/src/USSDReceivedEvent.h

@@ -16,6 +16,7 @@ class USSDReceivedEvent : public nsDOMEvent,
                           public nsIDOMUSSDReceivedEvent
 {
   nsString mMessage;
+  bool mSessionEnded;
 
 public:
   NS_DECL_ISUPPORTS_INHERITED
@@ -23,7 +24,7 @@ public:
   NS_DECL_NSIDOMUSSDRECEIVEDEVENT
 
   static already_AddRefed<USSDReceivedEvent>
-  Create(nsAString& aMessage);
+  Create(nsAString& aMessage, bool aSessionEnded);
 
   nsresult
   Dispatch(nsIDOMEventTarget* aTarget, const nsAString& aEventType)

dom/system/gonk/RILContentHelper.js

@@ -710,8 +710,9 @@ RILContentHelper.prototype = {
         }
         break;
       case "RIL:USSDReceived":
-        Services.obs.notifyObservers(null, kUssdReceivedTopic,
-                                     msg.json.message);
+        let res = JSON.stringify({message: msg.json.message,
+                                  sessionEnded: msg.json.sessionEnded});
+        Services.obs.notifyObservers(null, kUssdReceivedTopic, res);
         break;
       case "RIL:SendMMI:Return:OK":
       case "RIL:CancelMMI:Return:OK":

dom/system/gonk/ril_worker.js

@@ -4845,14 +4845,11 @@ RIL[UNSOLICITED_ON_USSD] = function UNSOLICITED_ON_USSD() {
     debug("On USSD. Type Code: " + typeCode + " Message: " + message);
   }
 
-  this._ussdSession = (typeCode != "0" || typeCode != "2");
+  this._ussdSession = (typeCode != "0" && typeCode != "2");
 
-  // Empty message should not be progressed to the DOM.
-  if (!message || message == "") {
-    return;
-  }
   this.sendDOMMessage({rilMessageType: "USSDReceived",
-                       message: message});
+                       message: message,
+                       sessionEnded: !this._ussdSession});
 };
 RIL[UNSOLICITED_NITZ_TIME_RECEIVED] = function UNSOLICITED_NITZ_TIME_RECEIVED() {
   let dateString = Buf.readString();

dom/webidl/USSDReceivedEvent.webidl

@@ -0,0 +1,10 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+dictionary USSDReceivedEventDict {
+  DOMString message = "";
+  boolean sessionEnded = false;
+};

dom/webidl/WebIDL.mk

@@ -61,6 +61,12 @@ webidl_files += \
   $(NULL)
 endif
 
+ifdef MOZ_B2G_RIL
+webidl_files += \
+  USSDReceivedEvent.webidl \
+  $(NULL)
+endif
+
 ifdef ENABLE_TESTS
 test_webidl_files := \
   TestCodeGen.webidl \