зеркало из https://github.com/mozilla/pjs.git
100 строки
3.6 KiB
C++
100 строки
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is Mozilla Communicator client code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape Communications
|
|
* Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#ifndef nsIEventQueueService_h__
|
|
#define nsIEventQueueService_h__
|
|
|
|
#include "nsISupports.h"
|
|
#include "prthread.h"
|
|
#include "plevent.h"
|
|
#include "nsIEventQueue.h"
|
|
|
|
/* a6cf90dc-15b3-11d2-932e-00805f8add32 */
|
|
#define NS_IEVENTQUEUESERVICE_IID \
|
|
{ 0xa6cf90dc, 0x15b3, 0x11d2, \
|
|
{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
|
|
|
|
/* be761f00-a3b0-11d2-996c-0080c7cb1080 */
|
|
#define NS_EVENTQUEUESERVICE_CID \
|
|
{ 0xbe761f00, 0xa3b0, 0x11d2, \
|
|
{0x99, 0x6c, 0x00, 0x80, 0xc7, 0xcb, 0x10, 0x80} }
|
|
|
|
#define NS_EVENTQUEUESERVICE_PROGID "component://netscape/event-queue-service"
|
|
#define NS_EVENTQUEUESERVICE_CLASSNAME "Event Queue Service"
|
|
|
|
#define NS_CURRENT_THREAD ((PRThread*)0)
|
|
#define NS_CURRENT_EVENTQ ((nsIEventQueue*)0)
|
|
|
|
#define NS_UI_THREAD ((PRThread*)1)
|
|
#define NS_UI_THREAD_EVENTQ ((nsIEventQueue*)1)
|
|
|
|
|
|
class nsIThread;
|
|
|
|
class nsIEventQueueService : public nsISupports
|
|
{
|
|
public:
|
|
static const nsIID& GetIID() { static nsIID iid = NS_IEVENTQUEUESERVICE_IID; return iid; }
|
|
|
|
/**
|
|
* Creates and holds a native event queue for the current thread.
|
|
* "Native" queues have an associated callback mechanism which is
|
|
* automatically triggered when an event is posted. See plevent.c for details.
|
|
* @return NS_OK on success, or a host of failure indications
|
|
*/
|
|
NS_IMETHOD CreateThreadEventQueue() = 0;
|
|
|
|
/**
|
|
* Creates and hold a monitored event queue for the current thread.
|
|
* "Monitored" queues have no callback processing mechanism.
|
|
* @return NS_OK on success, or a host of failure indications
|
|
*/
|
|
NS_IMETHOD CreateMonitoredThreadEventQueue() = 0;
|
|
|
|
/**
|
|
* Somewhat misnamed, this method releases the service's hold on the event
|
|
* queue(s) for this thread. Subsequent attempts to access this thread's
|
|
* queue (GetThreadEventQueue, for example) may fail, though the queue itself
|
|
* will be destroyed only after all references to it are released and the
|
|
* queue itself is no longer actively processing events.
|
|
* @return nonsense.
|
|
*/
|
|
NS_IMETHOD DestroyThreadEventQueue(void) = 0;
|
|
|
|
NS_IMETHOD CreateFromIThread(nsIThread *aThread, PRBool aNative,
|
|
nsIEventQueue **aResult) = 0;
|
|
NS_IMETHOD CreateFromPLEventQueue(PLEventQueue* aPLEventQueue, nsIEventQueue** aResult) = 0;
|
|
|
|
// Add a new event queue for the current thread, making it the "current"
|
|
// queue. Return that queue in aNewQueue, addrefed.
|
|
NS_IMETHOD PushThreadEventQueue(nsIEventQueue **aNewQueue) = 0;
|
|
|
|
// release and disable the queue
|
|
NS_IMETHOD PopThreadEventQueue(nsIEventQueue *aQueue) = 0;
|
|
|
|
NS_IMETHOD GetThreadEventQueue(PRThread* aThread, nsIEventQueue** aResult) = 0;
|
|
NS_IMETHOD ResolveEventQueue(nsIEventQueue* queueOrConstant, nsIEventQueue* *resultQueue) = 0;
|
|
|
|
};
|
|
|
|
#endif /* nsIEventQueueService_h___ */
|