dom/quota/RemoteQuotaObject.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 file,
   5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "RemoteQuotaObject.h"
   8
   9 #include "mozilla/dom/quota/RemoteQuotaObjectChild.h"
  10 #include "mozilla/ipc/BackgroundParent.h"
  11
  12 namespace mozilla::dom::quota {
  13
  14 RemoteQuotaObject::RemoteQuotaObject(RefPtr<RemoteQuotaObjectChild> aActor)
  15     : QuotaObject(/* aIsRemote */ true), mActor(std::move(aActor)) {
  16   MOZ_COUNT_CTOR(RemoteQuotaObject);
  17
  18   mActor->SetRemoteQuotaObject(this);
  19 }
  20
  21 RemoteQuotaObject::~RemoteQuotaObject() {
  22   MOZ_COUNT_DTOR(RemoteQuotaObject);
  23
  24   Close();
  25 }
  26
  27 void RemoteQuotaObject::ClearActor() {
  28   MOZ_ASSERT(mActor);
  29
  30   mActor = nullptr;
  31 }
  32
  33 void RemoteQuotaObject::Close() {
  34   if (!mActor) {
  35     return;
  36   }
  37
  38   MOZ_ASSERT(mActor->GetActorEventTarget()->IsOnCurrentThread());
  39
  40   mActor->Close();
  41   MOZ_ASSERT(!mActor);
  42 }
  43
  44 const nsAString& RemoteQuotaObject::Path() const { return EmptyString(); }
  45
  46 bool RemoteQuotaObject::MaybeUpdateSize(int64_t aSize, bool aTruncate) {
  47   MOZ_ASSERT(!NS_IsMainThread());
  48   MOZ_ASSERT(!mozilla::ipc::IsOnBackgroundThread());
  49   MOZ_ASSERT(!GetCurrentThreadWorkerPrivate());
  50
  51   if (!mActor) {
  52     return false;
  53   }
  54
  55   MOZ_ASSERT(mActor->GetActorEventTarget()->IsOnCurrentThread());
  56
  57   bool result;
  58   if (!mActor->SendMaybeUpdateSize(aSize, aTruncate, &result)) {
  59     return false;
  60   }
  61
  62   return result;
  63 }
  64
  65 }  // namespace mozilla::dom::quota