dom/push/PushSubscriptionOptions.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   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/PushSubscriptionOptions.h"
   8
   9 #include "MainThreadUtils.h"
  10 #include "mozilla/dom/PushSubscriptionOptionsBinding.h"
  11 #include "mozilla/ErrorResult.h"
  12 #include "mozilla/HoldDropJSObjects.h"
  13 #include "mozilla/dom/PushUtil.h"
  14 #include "nsIGlobalObject.h"
  15
  16 namespace mozilla {
  17 namespace dom {
  18
  19 PushSubscriptionOptions::PushSubscriptionOptions(
  20     nsIGlobalObject* aGlobal, nsTArray<uint8_t>&& aRawAppServerKey)
  21     : mGlobal(aGlobal),
  22       mRawAppServerKey(std::move(aRawAppServerKey)),
  23       mAppServerKey(nullptr) {
  24   // There's only one global on a worker, so we don't need to pass a global
  25   // object to the constructor.
  26   MOZ_ASSERT_IF(NS_IsMainThread(), mGlobal);
  27   mozilla::HoldJSObjects(this);
  28 }
  29
  30 PushSubscriptionOptions::~PushSubscriptionOptions() {
  31   mAppServerKey = nullptr;
  32   mozilla::DropJSObjects(this);
  33 }
  34
  35 NS_IMPL_CYCLE_COLLECTION_CLASS(PushSubscriptionOptions)
  36 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(PushSubscriptionOptions)
  37   NS_IMPL_CYCLE_COLLECTION_UNLINK(mGlobal)
  38   NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
  39   tmp->mAppServerKey = nullptr;
  40 NS_IMPL_CYCLE_COLLECTION_UNLINK_END
  41 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(PushSubscriptionOptions)
  42   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mGlobal)
  43 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
  44 NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(PushSubscriptionOptions)
  45   NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
  46   NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mAppServerKey)
  47 NS_IMPL_CYCLE_COLLECTION_TRACE_END
  48
  49 NS_IMPL_CYCLE_COLLECTING_ADDREF(PushSubscriptionOptions)
  50 NS_IMPL_CYCLE_COLLECTING_RELEASE(PushSubscriptionOptions)
  51
  52 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(PushSubscriptionOptions)
  53   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  54   NS_INTERFACE_MAP_ENTRY(nsISupports)
  55 NS_INTERFACE_MAP_END
  56
  57 JSObject* PushSubscriptionOptions::WrapObject(
  58     JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
  59   return PushSubscriptionOptions_Binding::Wrap(aCx, this, aGivenProto);
  60 }
  61
  62 void PushSubscriptionOptions::GetApplicationServerKey(
  63     JSContext* aCx, JS::MutableHandle<JSObject*> aKey, ErrorResult& aRv) {
  64   if (!mRawAppServerKey.IsEmpty() && !mAppServerKey) {
  65     JS::Rooted<JSObject*> appServerKey(aCx);
  66     PushUtil::CopyArrayToArrayBuffer(aCx, mRawAppServerKey, &appServerKey, aRv);
  67     if (aRv.Failed()) {
  68       return;
  69     }
  70     MOZ_ASSERT(appServerKey);
  71     mAppServerKey = appServerKey;
  72   }
  73   aKey.set(mAppServerKey);
  74 }
  75
  76 }  // namespace dom
  77 }  // namespace mozilla