зеркало из https://github.com/mozilla/gecko-dev.git
55 строки
1.4 KiB
C++
55 строки
1.4 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_mscom_MainThreadInvoker_h
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#define mozilla_mscom_MainThreadInvoker_h
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/Move.h"
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#include "mozilla/StaticPtr.h"
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#include "nsCOMPtr.h"
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#include "nsThreadUtils.h"
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#include <windows.h>
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class nsIRunnable;
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namespace mozilla {
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namespace mscom {
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class MainThreadInvoker
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{
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public:
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MainThreadInvoker();
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bool Invoke(already_AddRefed<nsIRunnable>&& aRunnable);
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static HANDLE GetTargetThread() { return sMainThread; }
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private:
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static bool InitStatics();
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static VOID CALLBACK MainThreadAPC(ULONG_PTR aParam);
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static HANDLE sMainThread;
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};
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template <typename Class, typename... Args>
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inline bool
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InvokeOnMainThread(Class* aObject, void (Class::*aMethod)(Args...),
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Args... aArgs)
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{
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nsCOMPtr<nsIRunnable> runnable(
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NewNonOwningRunnableMethod<Args...>(aObject, aMethod,
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Forward<Args>(aArgs)...));
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MainThreadInvoker invoker;
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return invoker.Invoke(runnable.forget());
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}
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} // namespace mscom
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} // namespace mozilla
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#endif // mozilla_mscom_MainThreadInvoker_h
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