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lightning-sunbird  0.9+nobinonly
JavaMessageQueue.h
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
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00009  * Software distributed under the License is distributed on an "AS IS" basis,
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00013  *
00014  * The Original Code is mozilla.org code.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Netscape Communications Corporation.
00018  * Portions created by the Initial Developer are Copyright (C) 1998
00019  * the Initial Developer. All Rights Reserved.
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00021  * Contributor(s):
00022  *
00023  * Alternatively, the contents of this file may be used under the terms of
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00036 
00037 /*
00038        JavaMessageQueue.h
00039  */
00040 
00041 #pragma once
00042 
00043 #ifndef JNI_H
00044 #include "jni.h"
00045 #endif
00046 
00047 class Monitor;
00048 
00049 class JavaMessage {
00050 public:
00051        JavaMessage() : mNext(NULL) {}
00052        virtual ~JavaMessage() {}
00053 
00054        void setNext(JavaMessage* next) { mNext = next; }
00055        JavaMessage* getNext() { return mNext; }
00056 
00057        virtual void execute(JNIEnv* env) = 0;
00058 
00059 private:
00060        JavaMessage* mNext;
00061 };
00062 
00063 class JavaMessageQueue {
00064 public:
00065        JavaMessageQueue(Monitor* monitor);
00066 
00067        void putMessage(JavaMessage* msg);
00068        JavaMessage* getMessage();
00069 
00070        void enter();
00071        void exit();
00072 
00073        void wait();
00074        void wait(long long millis);
00075        void notify();
00076 
00077 private:
00078        // Message queue.
00079        JavaMessage* mFirst;
00080        JavaMessage* mLast;
00081        Monitor* mMonitor;
00082 };