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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "IdleRequest.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/dom/IdleDeadline.h"
#include "mozilla/dom/PerformanceTiming.h"
#include "mozilla/dom/TimeoutManager.h"
#include "mozilla/dom/WebTaskScheduler.h"
#include "mozilla/dom/WindowBinding.h"
#include "nsComponentManagerUtils.h"
#include "nsPIDOMWindow.h"
namespace mozilla::dom {
IdleRequest::IdleRequest(IdleRequestCallback* aCallback, uint32_t aHandle)
: mCallback(aCallback), mHandle(aHandle), mTimeoutHandle(Nothing()) {
MOZ_DIAGNOSTIC_ASSERT(mCallback);
}
IdleRequest::~IdleRequest() = default;
NS_IMPL_CYCLE_COLLECTION_CLASS(IdleRequest)
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IdleRequest)
NS_IMPL_CYCLE_COLLECTION_UNLINK(mCallback)
if (tmp->isInList()) {
tmp->remove();
}
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IdleRequest)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCallback)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
void IdleRequest::SetTimeoutHandle(int32_t aHandle) {
mTimeoutHandle = Some(aHandle);
}
int32_t IdleRequest::GetTimeoutHandle() const {
MOZ_DIAGNOSTIC_ASSERT(mTimeoutHandle.isSome());
return mTimeoutHandle.value();
}
void IdleRequest::IdleRun(nsPIDOMWindowInner* aWindow,
DOMHighResTimeStamp aDeadline, bool aDidTimeout) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_DIAGNOSTIC_ASSERT(mCallback);
RefPtr<IdleDeadline> deadline =
new IdleDeadline(aWindow, aDidTimeout, aDeadline);
RefPtr<IdleRequestCallback> callback(std::move(mCallback));
MOZ_ASSERT(!mCallback);
RefPtr<nsGlobalWindowInner> innerWindow = nsGlobalWindowInner::Cast(aWindow);
// https://wicg.github.io/scheduling-apis/#sec-patches-invoke-idle-callbacks
// Let state be a new scheduling state.
RefPtr<WebTaskSchedulingState> newState = new WebTaskSchedulingState();
// Set state’s priority source to the result of creating a fixed priority
// unabortable task signal given "background" and realm.
newState->SetPrioritySource(
TaskSignal::Create(aWindow->AsGlobal(), TaskPriority::Background));
// Set event loop’s current scheduling state to state.
innerWindow->SetWebTaskSchedulingState(newState);
callback->Call(*deadline, "requestIdleCallback handler");
// Set event loop’s current scheduling state to null.
innerWindow->SetWebTaskSchedulingState(nullptr);
}
} // namespace mozilla::dom
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