1/*
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25#include "jni_util.h"
26#include "Disposer.h"
27
28static jmethodID addRecordMID = NULL;
29static jclass dispClass = NULL;
30
31/*
32 * Class: sun_java2d_Disposer
33 * Method: initIDs
34 * Signature: ()V
35 */
36JNIEXPORT void JNICALL
37Java_sun_java2d_Disposer_initIDs(JNIEnv *env, jclass disposerClass)
38{
39 addRecordMID = (*env)->GetStaticMethodID(env, disposerClass, "addRecord",
40 "(Ljava/lang/Object;JJ)V");
41 if (addRecordMID != 0) {
42 dispClass = (*env)->NewGlobalRef(env, disposerClass);
43 }
44}
45
46JNIEXPORT void JNICALL
47Disposer_AddRecord(JNIEnv *env, jobject obj, GeneralDisposeFunc disposer, jlong pData) {
48
49 if (dispClass == NULL) {
50 /* Needed to initialize the Disposer class as it may be not yet referenced */
51 jclass clazz = (*env)->FindClass(env, "sun/java2d/Disposer");
52 if ((*env)->ExceptionCheck(env)) {
53 // If there's exception pending, we'll just return.
54 return;
55 }
56 }
57
58 (*env)->CallStaticVoidMethod(env, dispClass, addRecordMID,
59 obj, ptr_to_jlong(disposer), pData);
60}
61
62/*
63 * Class: sun_java2d_DefaultDisposerRecord
64 * Method: invokeNativeDispose
65 * Signature: (JJ)V
66 */
67JNIEXPORT void JNICALL
68Java_sun_java2d_DefaultDisposerRecord_invokeNativeDispose(JNIEnv *env, jclass dispClass,
69 jlong disposer, jlong pData)
70{
71 if (disposer != 0 && pData != 0) {
72 GeneralDisposeFunc *disposeMethod = (GeneralDisposeFunc*)(jlong_to_ptr(disposer));
73 disposeMethod(env, pData);
74 }
75}
76