/* -*- 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 nsEventQueueService_h__ #define nsEventQueueService_h__ #include "nsIEventQueueService.h" #include "nsHashtable.h" class nsIEventQueue; class EventQueueEntry; // because available enumerators can't handle deletions during enumeration class EventQueueEntryEnumerator { public: EventQueueEntryEnumerator(); virtual ~EventQueueEntryEnumerator(); void Reset(EventQueueEntry *aStart); EventQueueEntry *Get(void); void Skip(EventQueueEntry *aSkip); private: EventQueueEntry *mCurrent; }; //////////////////////////////////////////////////////////////////////////////// class nsEventQueueServiceImpl : public nsIEventQueueService { friend class EventQueueEntry; public: nsEventQueueServiceImpl(); virtual ~nsEventQueueServiceImpl(); static NS_METHOD Create(nsISupports *aOuter, REFNSIID aIID, void **aResult); // nsISupports interface... NS_DECL_ISUPPORTS // nsIEventQueueService interface... NS_IMETHOD CreateThreadEventQueue(); NS_IMETHOD CreateMonitoredThreadEventQueue(); NS_IMETHOD DestroyThreadEventQueue(void); NS_IMETHOD GetThreadEventQueue(PRThread* aThread, nsIEventQueue** aResult); NS_IMETHOD ResolveEventQueue(nsIEventQueue* queueOrConstant, nsIEventQueue* *resultQueue); NS_IMETHOD CreateFromIThread(nsIThread *aThread, PRBool aNative, nsIEventQueue **aResult); NS_IMETHOD CreateFromPLEventQueue(PLEventQueue* aPLEventQueue, nsIEventQueue** aResult); NS_IMETHOD PushThreadEventQueue(nsIEventQueue **aNewQueue); NS_IMETHOD PopThreadEventQueue(nsIEventQueue *aQueue); private: /* Create a queue for the given thread if one does not exist. Addref the descriptor in any case. parameter aNative is ignored if the queue already exists. */ NS_IMETHOD CreateEventQueue(PRThread *aThread, PRBool aNative); void AddEventQueueEntry(EventQueueEntry *aEntry); void RemoveEventQueueEntry(EventQueueEntry *aEntry); nsHashtable *mEventQTable; EventQueueEntry *mBaseEntry; PRMonitor *mEventQMonitor; EventQueueEntryEnumerator mEnumerator; }; //////////////////////////////////////////////////////////////////////////////// #endif // nsEventQueueService_h__