| /* |
| * Copyright 2000-2004 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| #ifndef AWT_DATATRANSFERER_H |
| #define AWT_DATATRANSFERER_H |
| |
| #include <X11/Intrinsic.h> |
| #include <inttypes.h> |
| |
| #define _XA_DELETE "DELETE" |
| #define _XA_FILENAME "FILE_NAME" |
| #define _XA_HOSTNAME "HOST_NAME" |
| #define _XA_NULL "NULL" |
| #define _DT_FILENAME "_DT_NETFILE" |
| |
| #define AWT_DND_POLL_INTERVAL ((unsigned long)250) /* milliseconds */ |
| |
| typedef struct { |
| jobject source; |
| jobject transferable; |
| jobject formatMap; |
| jlongArray formats; |
| } awt_convertDataCallbackStruct; |
| |
| extern XContext awt_convertDataContext; /* XContext is not 64 bits */ |
| |
| extern Atom XA_TARGETS; |
| |
| /* |
| * Single routine to convert to target FILE_NAME or _DT_FILENAME |
| */ |
| Boolean |
| convertFileType(jbyteArray data, Atom * type, XtPointer * value, |
| unsigned long *length, int32_t *format); |
| |
| Boolean |
| awt_convertData(Widget w, Atom * selection, Atom * target, Atom * type, |
| XtPointer * value, unsigned long *length, int32_t *format); |
| |
| jlongArray |
| get_selection_targets(JNIEnv *env, Atom selection, Time time_stamp); |
| |
| jlongArray |
| getSelectionTargetsHelper(JNIEnv* env, XtPointer value, unsigned long length); |
| |
| jbyteArray |
| get_selection_data(JNIEnv *env, Atom selection, Atom format, Time time_stamp); |
| |
| void |
| awt_cleanupConvertDataContext(JNIEnv *env, Atom selectionAtom); |
| |
| /* |
| * NOTE: You need these macros only if you take care of performance, since they |
| * provide proper caching. Otherwise you can use JNU_CallMethodByName etc. |
| */ |
| |
| /* |
| * This macro defines a function which returns the class for the specified |
| * class name with proper caching and error handling. |
| */ |
| #define DECLARE_JAVA_CLASS(javaclazz, name) \ |
| static jclass \ |
| get_ ## javaclazz(JNIEnv* env) { \ |
| static jclass javaclazz = NULL; \ |
| \ |
| if (JNU_IsNull(env, javaclazz)) { \ |
| jclass javaclazz ## Local = (*env)->FindClass(env, name); \ |
| \ |
| if (!JNU_IsNull(env, javaclazz ## Local)) { \ |
| javaclazz = (jclass)(*env)->NewGlobalRef(env, javaclazz ## Local); \ |
| (*env)->DeleteLocalRef(env, javaclazz ## Local); \ |
| if (JNU_IsNull(env, javaclazz)) { \ |
| JNU_ThrowOutOfMemoryError(env, ""); \ |
| } \ |
| } \ |
| \ |
| if (!JNU_IsNull(env, ((*env)->ExceptionOccurred(env)))) { \ |
| (*env)->ExceptionDescribe(env); \ |
| (*env)->ExceptionClear(env); \ |
| } \ |
| } \ |
| \ |
| DASSERT(!JNU_IsNull(env, javaclazz)); \ |
| \ |
| return javaclazz; \ |
| } |
| |
| /* |
| * The following macros defines blocks of code which retrieve a method of the |
| * specified class identified with the specified name and signature. |
| * The specified class should be previously declared with DECLARE_JAVA_CLASS. |
| * These macros should be placed at the beginning of a block, after definition |
| * of local variables, but before the code begins. |
| */ |
| #define DECLARE_VOID_JAVA_METHOD(method, javaclazz, name, signature) \ |
| static jmethodID method = NULL; \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| jclass clazz = get_ ## javaclazz(env); \ |
| \ |
| if (JNU_IsNull(env, clazz)) { \ |
| return; \ |
| } \ |
| \ |
| method = (*env)->GetMethodID(env, clazz, name, signature); \ |
| \ |
| if ((*env)->ExceptionCheck(env) == JNI_TRUE) { \ |
| (*env)->ExceptionDescribe(env); \ |
| (*env)->ExceptionClear(env); \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| DASSERT(False); \ |
| return; \ |
| } \ |
| } |
| |
| #define DECLARE_BOOLEAN_JAVA_METHOD(method, javaclazz, name, signature) \ |
| static jmethodID method = NULL; \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| jclass clazz = get_ ## javaclazz(env); \ |
| \ |
| if (JNU_IsNull(env, clazz)) { \ |
| return False; \ |
| } \ |
| \ |
| method = (*env)->GetMethodID(env, clazz, name, signature); \ |
| \ |
| if ((*env)->ExceptionCheck(env) == JNI_TRUE) { \ |
| (*env)->ExceptionDescribe(env); \ |
| (*env)->ExceptionClear(env); \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| DASSERT(False); \ |
| return False; \ |
| } \ |
| } |
| |
| #define DECLARE_JINT_JAVA_METHOD(method, javaclazz, name, signature) \ |
| static jmethodID method = NULL; \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| jclass clazz = get_ ## javaclazz(env); \ |
| \ |
| if (JNU_IsNull(env, clazz)) { \ |
| return java_awt_dnd_DnDConstants_ACTION_NONE; \ |
| } \ |
| \ |
| method = (*env)->GetMethodID(env, clazz, name, signature); \ |
| \ |
| if ((*env)->ExceptionCheck(env) == JNI_TRUE) { \ |
| (*env)->ExceptionDescribe(env); \ |
| (*env)->ExceptionClear(env); \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| DASSERT(False); \ |
| return java_awt_dnd_DnDConstants_ACTION_NONE; \ |
| } \ |
| } |
| |
| #define DECLARE_OBJECT_JAVA_METHOD(method, javaclazz, name, signature) \ |
| static jmethodID method = NULL; \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| jclass clazz = get_ ## javaclazz(env); \ |
| \ |
| if (JNU_IsNull(env, clazz)) { \ |
| return NULL; \ |
| } \ |
| \ |
| method = (*env)->GetMethodID(env, clazz, name, signature); \ |
| \ |
| if ((*env)->ExceptionCheck(env) == JNI_TRUE) { \ |
| (*env)->ExceptionDescribe(env); \ |
| (*env)->ExceptionClear(env); \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| DASSERT(False); \ |
| return NULL; \ |
| } \ |
| } |
| |
| #define DECLARE_STATIC_OBJECT_JAVA_METHOD(method, javaclazz, name, signature) \ |
| static jmethodID method = NULL; \ |
| jclass clazz = get_ ## javaclazz(env); \ |
| \ |
| if (JNU_IsNull(env, clazz)) { \ |
| return NULL; \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| method = (*env)->GetStaticMethodID(env, clazz, name, signature); \ |
| \ |
| if ((*env)->ExceptionCheck(env) == JNI_TRUE) { \ |
| (*env)->ExceptionDescribe(env); \ |
| (*env)->ExceptionClear(env); \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| DASSERT(False); \ |
| return NULL; \ |
| } \ |
| } |
| |
| #define DECLARE_STATIC_VOID_JAVA_METHOD(method, javaclazz, name, signature) \ |
| static jmethodID method = NULL; \ |
| jclass clazz = get_ ## javaclazz(env); \ |
| \ |
| if (JNU_IsNull(env, clazz)) { \ |
| return; \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| method = (*env)->GetStaticMethodID(env, clazz, name, signature); \ |
| \ |
| if ((*env)->ExceptionCheck(env) == JNI_TRUE) { \ |
| (*env)->ExceptionDescribe(env); \ |
| (*env)->ExceptionClear(env); \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| DASSERT(False); \ |
| return; \ |
| } \ |
| } |
| |
| #define DECLARE_STATIC_JINT_JAVA_METHOD(method, javaclazz, name, signature) \ |
| static jmethodID method = NULL; \ |
| jclass clazz = get_ ## javaclazz(env); \ |
| \ |
| if (JNU_IsNull(env, clazz)) { \ |
| return java_awt_dnd_DnDConstants_ACTION_NONE; \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| method = (*env)->GetStaticMethodID(env, clazz, name, signature); \ |
| \ |
| if ((*env)->ExceptionCheck(env) == JNI_TRUE) { \ |
| (*env)->ExceptionDescribe(env); \ |
| (*env)->ExceptionClear(env); \ |
| } \ |
| \ |
| if (JNU_IsNull(env, method)) { \ |
| DASSERT(False); \ |
| return java_awt_dnd_DnDConstants_ACTION_NONE; \ |
| } \ |
| } |
| |
| #endif /* AWT_DATATRANSFERER_H */ |
