Bug 1112471 - Part 1: Introduce a new API for getting icc service state. r=hsinyi

dom/icc/interfaces/nsIIccProvider.idl

@@ -58,7 +58,7 @@ interface nsIIccChannelCallback : nsISupports
 /**
  * XPCOM component (in the content process) that provides the ICC information.
  */
-[scriptable, uuid(bf985ee1-14c9-43c6-a471-8ab52fb24b0d)]
+[scriptable, uuid(821bda2b-7abd-44c6-813e-d4bc68d73a0c)]
 interface nsIIccProvider : nsISupports
 {
   // MUST match enum IccCardState in MozIcc.webidl!
@@ -128,6 +128,9 @@ interface nsIIccProvider : nsISupports
   const unsigned long CARD_MVNO_TYPE_SPN = 1;
   const unsigned long CARD_MVNO_TYPE_GID = 2;
 
+  // MUST match with enum IccService in MozIcc.webidl
+  const unsigned long CARD_SERVICE_FDN = 0;
+
   /**
    * Called when a content process registers receiving unsolicited messages from
    * RadioInterfaceLayer in the chrome process. Only a content process that has
@@ -239,4 +242,8 @@ interface nsIIccProvider : nsISupports
                              in nsIDOMWindow window,
                              in unsigned long mvnoType,
                              in DOMString mvnoData);
+
+  nsISupports getServiceState(in unsigned long clientId,
+                              in nsIDOMWindow window,
+                              in unsigned long service);
 };

dom/webidl/MozIcc.webidl

@@ -89,6 +89,11 @@ enum IccMvnoType
   "gid"
 };
 
+enum IccService
+{
+  "fdn"
+};
+
 dictionary IccUnlockCardLockOptions
 {
   required IccLockType lockType;
@@ -331,4 +336,17 @@ interface MozIcc : EventTarget
    */
   [Throws]
   DOMRequest matchMvno(IccMvnoType mvnoType, DOMString matchData);
+
+  /**
+   * Retrieve the the availability of an icc service.
+   *
+   * @param service
+   *        Identifies the service type.
+   *
+   * @return a Promise
+   *         If succeeds, the promise is resolved with boolean indicating the
+   *         availability of the service. Otherwise, rejected with a DOMError.
+   */
+  [NewObject, Throws]
+  Promise<boolean> getServiceState(IccService service);
 };