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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/. */
#ifndef XPCOM_THREADS_NSITARGETSHUTDOWNTASK_H_
#define XPCOM_THREADS_NSITARGETSHUTDOWNTASK_H_
#include "mozilla/LinkedList.h"
#include "nsISupports.h"
#include "nsThreadUtils.h"
class nsIRunnable;
class TargetShutdownTaskSet;
#define NS_ITARGETSHUTDOWNTASK_IID \
{0xb08647aa, 0xcfb5, 0x4630, {0x8e, 0x26, 0x9a, 0xbe, 0xb3, 0x3f, 0x08, 0x40}}
// A task to be run on an event target when it begins shutting down.
//
// See `nsIEventTarget::RegisterShutdownTask` in `nsIEventTarget.idl`
// for more documentation.
class NS_NO_VTABLE nsITargetShutdownTask
: public nsISupports,
private mozilla::LinkedListElement<RefPtr<nsITargetShutdownTask>> {
// Allow TargetShutdownTaskSet to manage the list links.
friend class TargetShutdownTaskSet;
friend class mozilla::LinkedList<RefPtr<nsITargetShutdownTask>>;
friend class mozilla::LinkedListElement<RefPtr<nsITargetShutdownTask>>;
public:
NS_INLINE_DECL_STATIC_IID(NS_ITARGETSHUTDOWNTASK_IID)
virtual void TargetShutdown() = 0;
already_AddRefed<nsIRunnable> AsRunnable() {
// FIXME: Try QI to nsINamed if available?
return mozilla::NewRunnableMethod("nsITargetShutdownTask::TargetShutdown",
this,
&nsITargetShutdownTask::TargetShutdown);
}
};
#endif
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