зеркало из https://github.com/mozilla/pjs.git
91 строка
3.0 KiB
C++
91 строка
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsEventQueueService_h__
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#define nsEventQueueService_h__
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#include "nsIEventQueueService.h"
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#include "nsHashtable.h"
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class nsIEventQueue;
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class EventQueueEntry;
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// because available enumerators can't handle deletions during enumeration
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class EventQueueEntryEnumerator {
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public:
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EventQueueEntryEnumerator();
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virtual ~EventQueueEntryEnumerator();
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void Reset(EventQueueEntry *aStart);
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EventQueueEntry *Get(void);
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void Skip(EventQueueEntry *aSkip);
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private:
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EventQueueEntry *mCurrent;
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};
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////////////////////////////////////////////////////////////////////////////////
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class nsEventQueueServiceImpl : public nsIEventQueueService
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{
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friend class EventQueueEntry;
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public:
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nsEventQueueServiceImpl();
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virtual ~nsEventQueueServiceImpl();
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static NS_METHOD
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Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
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// nsISupports interface...
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NS_DECL_ISUPPORTS
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// nsIEventQueueService interface...
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NS_IMETHOD CreateThreadEventQueue();
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NS_IMETHOD CreateMonitoredThreadEventQueue();
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NS_IMETHOD DestroyThreadEventQueue(void);
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NS_IMETHOD GetThreadEventQueue(PRThread* aThread, nsIEventQueue** aResult);
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NS_IMETHOD ResolveEventQueue(nsIEventQueue* queueOrConstant, nsIEventQueue* *resultQueue);
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NS_IMETHOD CreateFromIThread(nsIThread *aThread, PRBool aNative,
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nsIEventQueue **aResult);
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NS_IMETHOD CreateFromPLEventQueue(PLEventQueue* aPLEventQueue, nsIEventQueue** aResult);
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NS_IMETHOD PushThreadEventQueue(nsIEventQueue **aNewQueue);
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NS_IMETHOD PopThreadEventQueue(nsIEventQueue *aQueue);
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private:
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/* Create a queue for the given thread if one does not exist.
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Addref the descriptor in any case. parameter aNative is
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ignored if the queue already exists. */
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NS_IMETHOD CreateEventQueue(PRThread *aThread, PRBool aNative);
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void AddEventQueueEntry(EventQueueEntry *aEntry);
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void RemoveEventQueueEntry(EventQueueEntry *aEntry);
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nsHashtable *mEventQTable;
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EventQueueEntry *mBaseEntry;
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PRMonitor *mEventQMonitor;
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EventQueueEntryEnumerator mEnumerator;
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};
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////////////////////////////////////////////////////////////////////////////////
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#endif // nsEventQueueService_h__
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