зеркало из https://github.com/mozilla/gecko-dev.git
135 строки
3.5 KiB
C++
135 строки
3.5 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 nsEventQueueService_h__
|
|
#define nsEventQueueService_h__
|
|
|
|
#include "nsIEventQueueService.h"
|
|
#include "nsHashtable.h"
|
|
|
|
class nsIEventQueue;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
// XXX move to nsID.h or nsHashtable.h? (copied from nsComponentManager.cpp)
|
|
class ThreadKey: public nsHashKey {
|
|
private:
|
|
const PRThread* id;
|
|
|
|
public:
|
|
ThreadKey(const PRThread* aID) {
|
|
id = aID;
|
|
}
|
|
|
|
PRUint32 HashValue(void) const {
|
|
return (PRUint32)id;
|
|
}
|
|
|
|
PRBool Equals(const nsHashKey *aKey) const {
|
|
return (id == ((const ThreadKey *) aKey)->id);
|
|
}
|
|
|
|
nsHashKey *Clone(void) const {
|
|
return new ThreadKey(id);
|
|
}
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/* This class is used with the EventQueueEntries to allow us to nest
|
|
event queues */
|
|
class EventQueueStack
|
|
{
|
|
public:
|
|
EventQueueStack(EventQueueStack* next = NULL);
|
|
~EventQueueStack();
|
|
|
|
nsIEventQueue* GetEventQueue();
|
|
EventQueueStack* GetNext();
|
|
void SetNext(EventQueueStack* aStack);
|
|
|
|
private:
|
|
nsIEventQueue* mEventQueue;
|
|
EventQueueStack* mNextQueue;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
/*
|
|
* This class maintains the data associated with each entry in the EventQueue
|
|
* service's hash table...
|
|
*
|
|
* It derives from nsISupports merely as a convienence since the entries are
|
|
* reference counted...
|
|
*/
|
|
class EventQueueEntry : public nsISupports
|
|
{
|
|
public:
|
|
EventQueueEntry();
|
|
virtual ~EventQueueEntry();
|
|
|
|
// nsISupports interface...
|
|
NS_DECL_ISUPPORTS
|
|
|
|
nsIEventQueue* GetEventQueue(void);
|
|
|
|
void PushQueue(void);
|
|
void PopQueue(void);
|
|
|
|
private:
|
|
EventQueueStack* mQueueStack;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
class nsEventQueueServiceImpl : public nsIEventQueueService
|
|
{
|
|
public:
|
|
nsEventQueueServiceImpl();
|
|
virtual ~nsEventQueueServiceImpl();
|
|
|
|
static NS_METHOD
|
|
Create(nsISupports *aOuter, REFNSIID aIID, void **aResult);
|
|
|
|
// nsISupports interface...
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// nsIEventQueueService interface...
|
|
NS_IMETHOD CreateThreadEventQueue(void);
|
|
NS_IMETHOD DestroyThreadEventQueue(void);
|
|
NS_IMETHOD GetThreadEventQueue(PRThread* aThread, nsIEventQueue** aResult);
|
|
|
|
NS_IMETHOD CreateFromPLEventQueue(PLEventQueue* aPLEventQueue, nsIEventQueue** aResult);
|
|
|
|
NS_IMETHOD PushThreadEventQueue(void);
|
|
NS_IMETHOD PopThreadEventQueue(void);
|
|
|
|
#ifdef XP_MAC
|
|
NS_IMETHOD ProcessEvents();
|
|
#endif // XP_MAC
|
|
|
|
private:
|
|
nsHashtable* mEventQTable;
|
|
PRMonitor* mEventQMonitor;
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#endif // nsEventQueueService_h__
|