dom/serviceworkers/ServiceWorkerParent.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 "ServiceWorkerParent.h"
   8
   9 #include "ServiceWorkerCloneData.h"
  10 #include "ServiceWorkerProxy.h"
  11 #include "mozilla/dom/ClientInfo.h"
  12 #include "mozilla/dom/ClientState.h"
  13 #include "mozilla/dom/ipc/StructuredCloneData.h"
  14
  15 namespace mozilla::dom {
  16
  17 using mozilla::dom::ipc::StructuredCloneData;
  18 using mozilla::ipc::IPCResult;
  19
  20 void ServiceWorkerParent::ActorDestroy(ActorDestroyReason aReason) {
  21   if (mProxy) {
  22     mProxy->RevokeActor(this);
  23     mProxy = nullptr;
  24   }
  25 }
  26
  27 IPCResult ServiceWorkerParent::RecvTeardown() {
  28   MaybeSendDelete();
  29   return IPC_OK();
  30 }
  31
  32 IPCResult ServiceWorkerParent::RecvPostMessage(
  33     const ClonedOrErrorMessageData& aClonedData,
  34     const ClientInfoAndState& aSource) {
  35   RefPtr<ServiceWorkerCloneData> data = new ServiceWorkerCloneData();
  36   data->CopyFromClonedMessageData(aClonedData);
  37
  38   mProxy->PostMessage(std::move(data), ClientInfo(aSource.info()),
  39                       ClientState::FromIPC(aSource.state()));
  40
  41   return IPC_OK();
  42 }
  43
  44 ServiceWorkerParent::ServiceWorkerParent() : mDeleteSent(false) {}
  45
  46 ServiceWorkerParent::~ServiceWorkerParent() { MOZ_DIAGNOSTIC_ASSERT(!mProxy); }
  47
  48 void ServiceWorkerParent::Init(const IPCServiceWorkerDescriptor& aDescriptor) {
  49   MOZ_DIAGNOSTIC_ASSERT(!mProxy);
  50   mProxy = new ServiceWorkerProxy(ServiceWorkerDescriptor(aDescriptor));
  51   mProxy->Init(this);
  52 }
  53
  54 void ServiceWorkerParent::MaybeSendDelete() {
  55   if (mDeleteSent) {
  56     return;
  57   }
  58   mDeleteSent = true;
  59   Unused << Send__delete__(this);
  60 }
  61
  62 }  // namespace mozilla::dom