Source code

Revision control

Copy as Markdown

Other Tools

/* -*- 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 */
#ifndef mozilla_layers_APZThreadUtils_h
#define mozilla_layers_APZThreadUtils_h
#include "nsIEventTarget.h"
#include "nsINamed.h"
#include "nsITimer.h"
#include "nsString.h"
class nsISerialEventTarget;
namespace mozilla {
class Runnable;
namespace layers {
class APZThreadUtils {
* In the gtest environment everything runs on one thread, so we
* shouldn't assert that we're on a particular thread. This enables
* that behaviour.
static void SetThreadAssertionsEnabled(bool aEnabled);
static bool GetThreadAssertionsEnabled();
* Set the controller thread.
static void SetControllerThread(nsISerialEventTarget* aThread);
* This can be used to assert that the current thread is the
* controller/UI thread (on which input events are received).
* This does nothing if thread assertions are disabled.
static void AssertOnControllerThread();
* Run the given task on the APZ "controller thread" for this platform. If
* this function is called from the controller thread itself then the task is
* run immediately without getting queued.
static void RunOnControllerThread(
RefPtr<Runnable>&& aTask,
uint32_t flags = nsIEventTarget::DISPATCH_NORMAL);
* Returns true if currently on APZ "controller thread".
static bool IsControllerThread();
* Returns true if the controller thread is still alive.
static bool IsControllerThreadAlive();
* Schedules a runnable to run on the controller thread at some time
* in the future.
static void DelayedDispatch(already_AddRefed<Runnable> aRunnable,
int aDelayMs);
} // namespace layers
} // namespace mozilla
#endif /* mozilla_layers_APZThreadUtils_h */