dom/workers/ServiceWorkerEvents.cpp

   1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
   2 /* vim: set ts=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 "ServiceWorkerEvents.h"
   8
   9 #include "nsContentUtils.h"
  10
  11 #include "mozilla/dom/Promise.h"
  12 #include "mozilla/dom/WorkerScope.h"
  13 #include "mozilla/dom/workers/bindings/ServiceWorker.h"
  14 #include "mozilla/dom/ServiceWorkerGlobalScopeBinding.h"
  15
  16 using namespace mozilla::dom;
  17
  18 BEGIN_WORKERS_NAMESPACE
  19
  20 bool
  21 ServiceWorkerEventsVisible(JSContext* aCx, JSObject* aObj)
  22 {
  23   ServiceWorkerGlobalScope* scope = nullptr;
  24   nsresult rv = UnwrapObject<prototypes::id::ServiceWorkerGlobalScope_workers,
  25                              mozilla::dom::ServiceWorkerGlobalScopeBinding_workers::NativeType>(aObj, scope);
  26   return NS_SUCCEEDED(rv) && scope;
  27 }
  28
  29 InstallPhaseEvent::InstallPhaseEvent(EventTarget* aOwner)
  30   : Event(aOwner, nullptr, nullptr)
  31 {
  32 }
  33
  34 void
  35 InstallPhaseEvent::WaitUntil(Promise& aPromise)
  36 {
  37   MOZ_ASSERT(!NS_IsMainThread());
  38
  39   // Only first caller counts.
  40   if (EventPhase() == AT_TARGET && !mPromise) {
  41     mPromise = &aPromise;
  42   }
  43 }
  44
  45 NS_IMPL_ADDREF_INHERITED(InstallPhaseEvent, Event)
  46 NS_IMPL_RELEASE_INHERITED(InstallPhaseEvent, Event)
  47
  48 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(InstallPhaseEvent)
  49 NS_INTERFACE_MAP_END_INHERITING(Event)
  50
  51 NS_IMPL_CYCLE_COLLECTION_INHERITED(InstallPhaseEvent, Event, mPromise)
  52
  53 InstallEvent::InstallEvent(EventTarget* aOwner)
  54   : InstallPhaseEvent(aOwner)
  55 {
  56 }
  57
  58 NS_IMPL_ADDREF_INHERITED(InstallEvent, InstallPhaseEvent)
  59 NS_IMPL_RELEASE_INHERITED(InstallEvent, InstallPhaseEvent)
  60
  61 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(InstallEvent)
  62 NS_INTERFACE_MAP_END_INHERITING(InstallPhaseEvent)
  63
  64 NS_IMPL_CYCLE_COLLECTION_INHERITED(InstallEvent, InstallPhaseEvent, mActiveWorker)
  65
  66 END_WORKERS_NAMESPACE