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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /xpcom/base/nsIMessageLoop.idl
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'xpcom/base/nsIMessageLoop.idl')
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diff --git a/xpcom/base/nsIMessageLoop.idl b/xpcom/base/nsIMessageLoop.idl
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#include "nsISupports.idl"
+
+interface nsIRunnable;
+
+/**
+ * This service allows access to the current thread's Chromium MessageLoop
+ * instance, with some extra sugar added. If you're calling from C++, it may
+ * or may not make sense for you to use this interface. If you're calling from
+ * JS, you don't have a choice!
+ *
+ * Right now, you can only call PostIdleTask(), and the wrath of khuey is
+ * stopping you from adding other methods.
+ *
+ * nsIMessageLoop's contractid is "@mozilla.org/message-loop;1".
+ */
+[scriptable, uuid(3E8C58E8-E52C-43E0-8E66-669CA788FF5F)]
+interface nsIMessageLoop : nsISupports
+{
+ /**
+ * Posts a task to be run when this thread's message loop is idle, or after
+ * ensureRunsAfterMS milliseconds have elapsed. (That is, the task is
+ * guaranteed to run /eventually/.)
+ *
+ * Note that if the event loop is busy, we will hold a reference to the task
+ * until ensureRunsAfterMS milliseconds have elapsed. Be careful when
+ * specifying long timeouts and tasks which hold references to windows or
+ * other large objects, because you can leak memory in a difficult-to-detect
+ * way!
+ */
+ void postIdleTask(in nsIRunnable task, in uint32_t ensureRunsAfterMS);
+};