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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:expandtab:shiftwidth=2:tabstop=2:
*/
/* 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 "WebTaskSchedulerMainThread.h"
#include "mozilla/dom/TimeoutManager.h"
#include "nsContentUtils.h"
#include "nsGlobalWindowInner.h"
namespace mozilla::dom {
MOZ_CONSTINIT uint32_t
gNumNormalOrHighPriorityQueuesHaveTaskScheduledMainThread = 0;
NS_IMETHODIMP WebTaskMainThreadRunnable::Run() {
if (mScheduler) {
RefPtr<WebTask> task = mScheduler->GetNextTask(true /* aIsMainThread */);
if (task) {
task->Run();
}
}
return NS_OK;
}
nsresult WebTaskSchedulerMainThread::SetTimeoutForDelayedTask(
WebTask* aTask, uint64_t aDelay, EventQueuePriority aPriority) {
JSContext* cx = nsContentUtils::GetCurrentJSContext();
if (!cx) {
return NS_ERROR_UNEXPECTED;
}
nsIGlobalObject* global = GetParentObject();
MOZ_ASSERT(global);
RefPtr<DelayedWebTaskHandler> handler =
new DelayedWebTaskHandler(cx, this, aTask, aPriority);
int32_t delay = aDelay > INT32_MAX ? INT32_MAX : (int32_t)aDelay;
int32_t handle;
return nsGlobalWindowInner::Cast(global->GetAsInnerWindow())
->GetTimeoutManager()
->SetTimeout(handler, delay, /* aIsInterval */ false,
Timeout::Reason::eDelayedWebTaskTimeout, &handle);
}
bool WebTaskSchedulerMainThread::DispatchEventLoopRunnable(
EventQueuePriority aPriority) {
RefPtr<WebTaskMainThreadRunnable> runnable =
new WebTaskMainThreadRunnable(this);
MOZ_ALWAYS_SUCCEEDS(
NS_DispatchToMainThreadQueue(runnable.forget(), aPriority));
return true;
}
void WebTaskSchedulerMainThread::
IncreaseNumNormalOrHighPriorityQueuesHaveTaskScheduled() {
++gNumNormalOrHighPriorityQueuesHaveTaskScheduledMainThread;
}
void WebTaskSchedulerMainThread::
DecreaseNumNormalOrHighPriorityQueuesHaveTaskScheduled() {
MOZ_DIAGNOSTIC_ASSERT(
gNumNormalOrHighPriorityQueuesHaveTaskScheduledMainThread > 0);
--gNumNormalOrHighPriorityQueuesHaveTaskScheduledMainThread;
}
} // namespace mozilla::dom
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