/usr/share/idl/thunderbird/nsIEventTarget.idl is in thunderbird-dev 1:52.8.0-1~deb8u1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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"
#include "nsIRunnable.idl"
%{C++
#include "nsCOMPtr.h"
#include "mozilla/AlreadyAddRefed.h"
%}
native alreadyAddRefed_nsIRunnable(already_AddRefed<nsIRunnable>);
[scriptable, uuid(88145945-3278-424e-9f37-d874cbdd9f6f)]
interface nsIEventTarget : nsISupports
{
/* until we can get rid of all uses, keep the non-alreadyAddRefed<> version */
%{C++
nsresult Dispatch(nsIRunnable* aEvent, uint32_t aFlags) {
return Dispatch(nsCOMPtr<nsIRunnable>(aEvent).forget(), aFlags);
}
%}
/**
* This flag specifies the default mode of event dispatch, whereby the event
* is simply queued for later processing. When this flag is specified,
* dispatch returns immediately after the event is queued.
*/
const unsigned long DISPATCH_NORMAL = 0;
/**
* This flag specifies the synchronous mode of event dispatch, in which the
* dispatch method does not return until the event has been processed.
*
* NOTE: passing this flag to dispatch may have the side-effect of causing
* other events on the current thread to be processed while waiting for the
* given event to be processed.
*/
const unsigned long DISPATCH_SYNC = 1;
/**
* This flag specifies that the dispatch is occurring from a running event
* that was dispatched to the same event target, and that event is about to
* finish.
*
* A thread pool can use this as an optimization hint to not spin up
* another thread, since the current thread is about to become idle.
*
* These events are always async.
*/
const unsigned long DISPATCH_AT_END = 2;
/**
* Check to see if this event target is associated with the current thread.
*
* @returns
* A boolean value that if "true" indicates that events dispatched to this
* event target will run on the current thread (i.e., the thread calling
* this method).
*/
boolean isOnCurrentThread();
/**
* Dispatch an event to this event target. This function may be called from
* any thread, and it may be called re-entrantly.
*
* @param event
* The alreadyAddRefed<> event to dispatch.
* NOTE that the event will be leaked if it fails to dispatch.
* @param flags
* The flags modifying event dispatch. The flags are described in detail
* below.
*
* @throws NS_ERROR_INVALID_ARG
* Indicates that event is null.
* @throws NS_ERROR_UNEXPECTED
* Indicates that the thread is shutting down and has finished processing
* events, so this event would never run and has not been dispatched.
*/
[noscript, binaryname(Dispatch)] void dispatchFromC(in alreadyAddRefed_nsIRunnable event, in unsigned long flags);
/**
* Version of Dispatch to expose to JS, which doesn't require an alreadyAddRefed<>
* (it will be converted to that internally)
*
* @param event
* The (raw) event to dispatch.
* @param flags
* The flags modifying event dispatch. The flags are described in detail
* below.
*
* @throws NS_ERROR_INVALID_ARG
* Indicates that event is null.
* @throws NS_ERROR_UNEXPECTED
* Indicates that the thread is shutting down and has finished processing
* events, so this event would never run and has not been dispatched.
*/
[binaryname(DispatchFromScript)] void dispatch(in nsIRunnable event, in unsigned long flags);
/**
* Dispatch an event to this event target, but do not run it before delay
* milliseconds have passed. This function may be called from any thread.
*
* @param event
* The alreadyAddrefed<> event to dispatch.
* @param delay
* The delay (in ms) before running the event. If event does not rise to
* the top of the event queue before the delay has passed, it will be set
* aside to execute once the delay has passed. Otherwise, it will be
* executed immediately.
*
* @throws NS_ERROR_INVALID_ARG
* Indicates that event is null.
* @throws NS_ERROR_UNEXPECTED
* Indicates that the thread is shutting down and has finished processing
* events, so this event would never run and has not been dispatched, or
* that delay is zero.
*/
[noscript] void delayedDispatch(in alreadyAddRefed_nsIRunnable event, in unsigned long delay);
};
%{C++
// convenient aliases:
#define NS_DISPATCH_NORMAL nsIEventTarget::DISPATCH_NORMAL
#define NS_DISPATCH_SYNC nsIEventTarget::DISPATCH_SYNC
#define NS_DISPATCH_AT_END nsIEventTarget::DISPATCH_AT_END
%}
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