dom/base/IdleRequest.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 "IdleRequest.h"
   8
   9 #include "mozilla/TimeStamp.h"
  10 #include "mozilla/dom/IdleDeadline.h"
  11 #include "mozilla/dom/PerformanceTiming.h"
  12 #include "mozilla/dom/TimeoutManager.h"
  13 #include "mozilla/dom/WindowBinding.h"
  14 #include "nsComponentManagerUtils.h"
  15 #include "nsPIDOMWindow.h"
  16
  17 namespace mozilla::dom {
  18
  19 IdleRequest::IdleRequest(IdleRequestCallback* aCallback, uint32_t aHandle)
  20     : mCallback(aCallback), mHandle(aHandle), mTimeoutHandle(Nothing()) {
  21   MOZ_DIAGNOSTIC_ASSERT(mCallback);
  22 }
  23
  24 IdleRequest::~IdleRequest() = default;
  25
  26 NS_IMPL_CYCLE_COLLECTION_CLASS(IdleRequest)
  27
  28 NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IdleRequest)
  29   NS_IMPL_CYCLE_COLLECTION_UNLINK(mCallback)
  30   if (tmp->isInList()) {
  31     tmp->remove();
  32   }
  33 NS_IMPL_CYCLE_COLLECTION_UNLINK_END
  34
  35 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IdleRequest)
  36   NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCallback)
  37 NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
  38
  39 void IdleRequest::SetTimeoutHandle(int32_t aHandle) {
  40   mTimeoutHandle = Some(aHandle);
  41 }
  42
  43 uint32_t IdleRequest::GetTimeoutHandle() const {
  44   MOZ_DIAGNOSTIC_ASSERT(mTimeoutHandle.isSome());
  45   return mTimeoutHandle.value();
  46 }
  47
  48 void IdleRequest::IdleRun(nsPIDOMWindowInner* aWindow,
  49                           DOMHighResTimeStamp aDeadline, bool aDidTimeout) {
  50   MOZ_ASSERT(NS_IsMainThread());
  51   MOZ_DIAGNOSTIC_ASSERT(mCallback);
  52
  53   RefPtr<IdleDeadline> deadline =
  54       new IdleDeadline(aWindow, aDidTimeout, aDeadline);
  55   RefPtr<IdleRequestCallback> callback(std::move(mCallback));
  56   MOZ_ASSERT(!mCallback);
  57   callback->Call(*deadline, "requestIdleCallback handler");
  58 }
  59
  60 }  // namespace mozilla::dom