зеркало из https://github.com/mozilla/gecko-dev.git
126 строки
3.0 KiB
C++
126 строки
3.0 KiB
C++
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
/*
|
|
prmacos.cpp
|
|
|
|
Mac OS Support functions for LiveConnect. Provides standard JNI JavaVM creation
|
|
functions, and strdup.
|
|
|
|
by Patrick C. Beard.
|
|
*/
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <Errors.h>
|
|
|
|
#include "prtypes.h"
|
|
#include "prmacos.h"
|
|
|
|
char* strdup(const char *str)
|
|
{
|
|
char* dup = (char*) malloc(1 + strlen(str));
|
|
if (dup != NULL)
|
|
strcpy(dup, str);
|
|
return dup;
|
|
}
|
|
|
|
#if defined(LIVECONNECT)
|
|
|
|
#include "JavaSession.h"
|
|
|
|
// Fake VM initialization
|
|
|
|
jint JNICALL JNI_GetDefaultJavaVMInitArgs(void* args)
|
|
{
|
|
if (args != NULL) {
|
|
JDK1_1InitArgs* initArgs = (JDK1_1InitArgs*)args;
|
|
memset(initArgs, 0, sizeof(JDK1_1InitArgs));
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static JavaSession* theSession = NULL;
|
|
static const JNIInvokeInterface_* theActualFunctions;
|
|
static JNIInvokeInterface_ thePatchedFunctions;
|
|
|
|
static jint MRJ_DestroyJavaVM(JavaVM* javaVM)
|
|
{
|
|
// Restore the original functions.
|
|
javaVM->functions = theActualFunctions;
|
|
|
|
// Toss the Java session instead.
|
|
if (theSession != NULL) {
|
|
delete theSession;
|
|
theSession = NULL;
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static void shutdownJava()
|
|
{
|
|
// Toss the Java session.
|
|
if (theSession != NULL) {
|
|
delete theSession;
|
|
theSession = NULL;
|
|
}
|
|
}
|
|
|
|
jint JNICALL JNI_CreateJavaVM(JavaVM** outVM, JNIEnv ** outEnv, void* args)
|
|
{
|
|
int result = -1;
|
|
*outVM = NULL;
|
|
*outEnv = NULL;
|
|
|
|
try {
|
|
if (theSession == NULL)
|
|
theSession = new JavaSession();
|
|
if (theSession == NULL)
|
|
throw(OSStatusException(memFullErr));
|
|
|
|
// Make sure that the JavaSession is torn down at the end of execution.
|
|
// If the user chooses "Quit" from the file menu, this guarantees
|
|
// the shutdown will happen.
|
|
atexit(&shutdownJava);
|
|
|
|
JNIEnv* env = theSession->getEnv();
|
|
JavaVM* javaVM = NULL;
|
|
result = env->GetJavaVM(&javaVM);
|
|
if (result == 0) {
|
|
*outEnv = env;
|
|
*outVM = javaVM;
|
|
|
|
// Patch the JavaVM so it won't actually destroy itself.
|
|
// If we don't do this, MRJ crashest at exit.
|
|
// The functions are restored when DestoryJavaVM is called.
|
|
theActualFunctions = javaVM->functions;
|
|
thePatchedFunctions = *theActualFunctions;
|
|
thePatchedFunctions.DestroyJavaVM = MRJ_DestroyJavaVM;
|
|
javaVM->functions = &thePatchedFunctions;
|
|
}
|
|
} catch (OSStatusException status) {
|
|
*outVM = NULL;
|
|
*outEnv = NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
#endif
|