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37 lines
1.5 KiB
Plaintext
37 lines
1.5 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#include "nsISupports.idl"
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interface nsIRunnable;
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/**
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* This service allows access to the current thread's Chromium MessageLoop
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* instance, with some extra sugar added. If you're calling from C++, it may
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* or may not make sense for you to use this interface. If you're calling from
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* JS, you don't have a choice!
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*
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* Right now, you can only call PostIdleTask(), but nothing is stopping you
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* from adding other methods.
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*
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* nsIMessageLoop's contractid is "@mozilla.org/message-loop;1".
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*/
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[scriptable, uuid(3E8C58E8-E52C-43E0-8E66-669CA788FF5F)]
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interface nsIMessageLoop : nsISupports
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{
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/**
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* Posts a task to be run when this thread's message loop is idle, or after
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* ensureRunsAfterMS milliseconds have elapsed. (That is, the task is
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* guaranteed to run /eventually/.)
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*
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* Note that if the event loop is busy, we will hold a reference to the task
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* until ensureRunsAfterMS milliseconds have elapsed. Be careful when
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* specifying long timeouts and tasks which hold references to windows or
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* other large objects, because you can leak memory in a difficult-to-detect
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* way!
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*/
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void postIdleTask(in nsIRunnable task, in uint32_t ensureRunsAfterMS);
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};
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