| /* |
| * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #import <AppKit/AppKit.h> |
| #import <JavaNativeFoundation/JavaNativeFoundation.h> |
| #import <objc/message.h> |
| |
| #import "ThreadUtilities.h" |
| |
| |
| // The following must be named "jvm", as there are extern references to it in AWT |
| JavaVM *jvm = NULL; |
| static JNIEnv *appKitEnv = NULL; |
| static jobject appkitThreadGroup = NULL; |
| static BOOL awtEmbedded = NO; |
| |
| inline void attachCurrentThread(void** env) { |
| if ([NSThread isMainThread]) { |
| JavaVMAttachArgs args; |
| args.version = JNI_VERSION_1_4; |
| args.name = "AppKit Thread"; |
| args.group = appkitThreadGroup; |
| (*jvm)->AttachCurrentThreadAsDaemon(jvm, env, &args); |
| } else { |
| (*jvm)->AttachCurrentThreadAsDaemon(jvm, env, NULL); |
| } |
| } |
| |
| @implementation ThreadUtilities |
| |
| + (JNIEnv*)getJNIEnv { |
| AWT_ASSERT_APPKIT_THREAD; |
| if (appKitEnv == NULL) { |
| attachCurrentThread((void **)&appKitEnv); |
| } |
| return appKitEnv; |
| } |
| |
| + (JNIEnv*)getJNIEnvUncached { |
| JNIEnv *env = NULL; |
| attachCurrentThread((void **)&env); |
| return env; |
| } |
| |
| + (void)detachCurrentThread { |
| (*jvm)->DetachCurrentThread(jvm); |
| } |
| |
| + (void)setAppkitThreadGroup:(jobject)group { |
| appkitThreadGroup = group; |
| } |
| |
| + (void)performOnMainThreadWaiting:(BOOL)wait block:(void (^)())block { |
| if ([NSThread isMainThread] && wait == YES) { |
| block(); |
| } else { |
| [JNFRunLoop performOnMainThreadWaiting:wait withBlock:block]; |
| } |
| } |
| |
| + (void)performOnMainThread:(SEL)aSelector on:(id)target withObject:(id)arg waitUntilDone:(BOOL)wait { |
| if ([NSThread isMainThread] && wait == YES) { |
| [target performSelector:aSelector withObject:arg]; |
| } else { |
| [JNFRunLoop performOnMainThread:aSelector on:target withObject:arg waitUntilDone:wait]; |
| } |
| } |
| |
| + (void)setAWTEmbedded:(BOOL)embedded { |
| awtEmbedded = embedded; |
| } |
| |
| + (BOOL)isAWTEmbedded { |
| return awtEmbedded; |
| } |
| |
| @end |
| |
| |
| void OSXAPP_SetJavaVM(JavaVM *vm) |
| { |
| jvm = vm; |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CThreading |
| * Method: isMainThread |
| * Signature: ()Z |
| */ |
| JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_CThreading_isMainThread |
| (JNIEnv *env, jclass c) |
| { |
| return [NSThread isMainThread]; |
| } |
| |