75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_layers_APZThreadUtils_h
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#define mozilla_layers_APZThreadUtils_h
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#include "nsIEventTarget.h"
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#include "nsINamed.h"
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#include "nsITimer.h"
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#include "nsString.h"
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class nsISerialEventTarget;
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namespace mozilla {
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class Runnable;
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namespace layers {
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class APZThreadUtils {
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public:
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/**
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* In the gtest environment everything runs on one thread, so we
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* shouldn't assert that we're on a particular thread. This enables
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* that behaviour.
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*/
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static void SetThreadAssertionsEnabled(bool aEnabled);
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static bool GetThreadAssertionsEnabled();
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/**
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* Set the controller thread.
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*/
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static void SetControllerThread(nsISerialEventTarget* aThread);
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/**
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* This can be used to assert that the current thread is the
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* controller/UI thread (on which input events are received).
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* This does nothing if thread assertions are disabled.
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*/
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static void AssertOnControllerThread();
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/**
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* Run the given task on the APZ "controller thread" for this platform. If
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* this function is called from the controller thread itself then the task is
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* run immediately without getting queued.
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*/
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static void RunOnControllerThread(
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RefPtr<Runnable>&& aTask,
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uint32_t flags = nsIEventTarget::DISPATCH_NORMAL);
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/**
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* Returns true if currently on APZ "controller thread".
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*/
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static bool IsControllerThread();
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/**
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* Returns true if the controller thread is still alive.
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*/
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static bool IsControllerThreadAlive();
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/**
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* Schedules a runnable to run on the controller thread at some time
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* in the future.
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*/
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static void DelayedDispatch(already_AddRefed<Runnable> aRunnable,
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int aDelayMs);
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};
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} // namespace layers
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} // namespace mozilla
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#endif /* mozilla_layers_APZThreadUtils_h */
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