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comparison: xpcom/threads/nsIEventTarget.idl
xpcom/threads/nsIEventTarget.idl
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| -1:000000000000 | 0:db8270812821 |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim:set ts=2 sw=2 sts=2 et cindent: */ | |
| 3 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "nsISupports.idl" | |
| 8 | |
| 9 interface nsIRunnable; | |
| 10 | |
| 11 [scriptable, uuid(4e8febe4-6631-49dc-8ac9-308c1cb9b09c)] | |
| 12 interface nsIEventTarget : nsISupports | |
| 13 { | |
| 14 /** | |
| 15 * Dispatch an event to this event target. This function may be called from | |
| 16 * any thread, and it may be called re-entrantly. | |
| 17 * | |
| 18 * @param event | |
| 19 * The event to dispatch. | |
| 20 * @param flags | |
| 21 * The flags modifying event dispatch. The flags are described in detail | |
| 22 * below. | |
| 23 * | |
| 24 * @throws NS_ERROR_INVALID_ARG | |
| 25 * Indicates that event is null. | |
| 26 * @throws NS_ERROR_UNEXPECTED | |
| 27 * Indicates that the thread is shutting down and has finished processing | |
| 28 * events, so this event would never run and has not been dispatched. | |
| 29 */ | |
| 30 void dispatch(in nsIRunnable event, in unsigned long flags); | |
| 31 | |
| 32 /** | |
| 33 * This flag specifies the default mode of event dispatch, whereby the event | |
| 34 * is simply queued for later processing. When this flag is specified, | |
| 35 * dispatch returns immediately after the event is queued. | |
| 36 */ | |
| 37 const unsigned long DISPATCH_NORMAL = 0; | |
| 38 | |
| 39 /** | |
| 40 * This flag specifies the synchronous mode of event dispatch, in which the | |
| 41 * dispatch method does not return until the event has been processed. | |
| 42 * | |
| 43 * NOTE: passing this flag to dispatch may have the side-effect of causing | |
| 44 * other events on the current thread to be processed while waiting for the | |
| 45 * given event to be processed. | |
| 46 */ | |
| 47 const unsigned long DISPATCH_SYNC = 1; | |
| 48 | |
| 49 /** | |
| 50 * Check to see if this event target is associated with the current thread. | |
| 51 * | |
| 52 * @returns | |
| 53 * A boolean value that if "true" indicates that events dispatched to this | |
| 54 * event target will run on the current thread (i.e., the thread calling | |
| 55 * this method). | |
| 56 */ | |
| 57 boolean isOnCurrentThread(); | |
| 58 }; | |
| 59 | |
| 60 %{C++ | |
| 61 // convenient aliases: | |
| 62 #define NS_DISPATCH_NORMAL nsIEventTarget::DISPATCH_NORMAL | |
| 63 #define NS_DISPATCH_SYNC nsIEventTarget::DISPATCH_SYNC | |
| 64 %} |
