зеркало из https://github.com/mozilla/pjs.git
73 строки
2.4 KiB
C
73 строки
2.4 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 1.0 (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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef nsPIEventQueueChain_h__
|
||
|
|
#define nsPIEventQueueChain_h__
|
||
|
|
|
||
|
|
#include "nsISupports.h"
|
||
|
|
|
||
|
|
// {8f310040-82a7-11d3-95bc-0060083a0bcf}
|
||
|
|
#define NS_IEVENTQUEUECHAIN_IID \
|
||
|
|
{ 0x8f310040, 0x82a7, 0x11d3, { 0x95, 0xbc, 0x0, 0x60, 0x8, 0x3a, 0xb, 0xcf } }
|
||
|
|
|
||
|
|
class nsIEventQueue;
|
||
|
|
|
||
|
|
class nsPIEventQueueChain : public nsISupports
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IEVENTQUEUECHAIN_IID);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Add the given queue as the new youngest member of our chain.
|
||
|
|
* It will not be addrefed.
|
||
|
|
* @param aQueue the queue. must not be null.
|
||
|
|
* @return error indication
|
||
|
|
*/
|
||
|
|
NS_IMETHOD AppendQueue(nsIEventQueue *aQueue) = 0;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Remove this element from the chain.
|
||
|
|
* @return NS_OK
|
||
|
|
*/
|
||
|
|
NS_IMETHOD Unlink() = 0;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Fetch (and addref) the youngest member of the chain.
|
||
|
|
* @param *aQueue the youngest queue. aQueue must not be null.
|
||
|
|
* @return error indication
|
||
|
|
*/
|
||
|
|
NS_IMETHOD GetYoungest(nsIEventQueue **aQueue) = 0;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Fetch (and addref) the youngest member of the chain which is
|
||
|
|
* still accepting events, or at least still contains events in need
|
||
|
|
* of processing.
|
||
|
|
* @param *aQueue the youngest such queue. aQueue must not be null.
|
||
|
|
* *aQueue will be returned null, if no such queue is found.
|
||
|
|
* @return error indication -- can be NS_OK even if *aQueue is 0
|
||
|
|
*/
|
||
|
|
NS_IMETHOD GetYoungestActive(nsIEventQueue **aQueue) = 0;
|
||
|
|
|
||
|
|
NS_IMETHOD SetYounger(nsPIEventQueueChain *aQueue) = 0;
|
||
|
|
NS_IMETHOD SetElder(nsPIEventQueueChain *aQueue) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* nsPIEventQueueChain_h___ */
|
||
|
|
|