dom/telephony/MMICall.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/MMICall.h"
   8
   9 #include "mozilla/dom/MMICallBinding.h"
  10 #include "nsIGlobalObject.h"
  11
  12 using namespace mozilla::dom;
  13 using mozilla::ErrorResult;
  14
  15 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(MMICall, mWindow)
  16 NS_IMPL_CYCLE_COLLECTING_ADDREF(MMICall)
  17 NS_IMPL_CYCLE_COLLECTING_RELEASE(MMICall)
  18 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MMICall)
  19   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  20   NS_INTERFACE_MAP_ENTRY(nsISupports)
  21 NS_INTERFACE_MAP_END
  22
  23 MMICall::MMICall(nsPIDOMWindow* aWindow, const nsAString& aServiceCode)
  24   : mWindow(aWindow), mServiceCode(aServiceCode)
  25 {
  26   nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(mWindow);
  27   if (!global) {
  28     return;
  29   }
  30
  31   ErrorResult rv;
  32   nsRefPtr<Promise> promise = Promise::Create(global, rv);
  33   if (rv.Failed()) {
  34     return;
  35   }
  36
  37   mPromise = promise;
  38 }
  39
  40 MMICall::~MMICall()
  41 {
  42 }
  43
  44 nsPIDOMWindow*
  45 MMICall::GetParentObject() const
  46 {
  47   return mWindow;
  48 }
  49
  50 JSObject*
  51 MMICall::WrapObject(JSContext* aCx)
  52 {
  53   return MMICallBinding::Wrap(aCx, this);
  54 }
  55
  56 void
  57 MMICall::NotifyResult(JS::Handle<JS::Value> aResult)
  58 {
  59   if (!mPromise) {
  60     return;
  61   }
  62
  63   mPromise->MaybeResolve(aResult);
  64 }
  65
  66 // WebIDL
  67
  68 already_AddRefed<Promise>
  69 MMICall::GetResult(ErrorResult& aRv)
  70 {
  71   if (!mPromise) {
  72     aRv.Throw(NS_ERROR_UNEXPECTED);
  73     return nullptr;
  74   }
  75
  76   nsRefPtr<Promise> promise = mPromise;
  77   return promise.forget();
  78 }