1 /*
2 * Copyright (c) 2011, 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 #ifndef GLASS_GENERAL_H
26 #define GLASS_GENERAL_H
27
28 #include <jni.h>
29
30
31 #include <stdint.h>
32 #include <X11/Xlib.h>
33 #include <gdk/gdk.h>
34 #include <gtk/gtk.h>
35
36 #define JLONG_TO_PTR(value) ((void*)(intptr_t)(value))
37 #define PTR_TO_JLONG(value) ((jlong)(intptr_t)(value))
38
39 #define FILE_PREFIX "file://"
40 #define URI_LIST_COMMENT_PREFIX "#"
41 #define URI_LIST_LINE_BREAK "\r\n"
42
43 extern JNIEnv* mainEnv; // Use only with main loop thread!!!
44
45 #include <exception>
46
47 struct jni_exception: public std::exception {
48 jni_exception(jthrowable _th): throwable(_th), message() {
49 jmessage = (jstring)mainEnv->CallObjectMethod(throwable,
50 mainEnv->GetMethodID(mainEnv->FindClass("java/lang/Throwable"),
51 "getMessage", "()Ljava/lang/String;"));
52 message = jmessage == NULL ? "" : mainEnv->GetStringUTFChars(jmessage, NULL);
53 }
54 const char *what() const throw()
55 {
56 return message;
57 }
58 ~jni_exception() throw(){
59 if (jmessage && message) {
60 mainEnv->ReleaseStringUTFChars(jmessage, message);
61 }
62 }
63 private:
64 jthrowable throwable;
65 const char *message;
66 jstring jmessage;
67 };
68
69 #define EXCEPTION_OCCURED(env) (check_and_clear_exception(env))
70
71 #define CHECK_JNI_EXCEPTION(env) \
72 if (env->ExceptionCheck()) {\
73 check_and_clear_exception(env);\
74 return;\
75 }
76
77 #define CHECK_JNI_EXCEPTION_RET(env, ret) \
78 if (env->ExceptionCheck()) {\
79 check_and_clear_exception(env);\
80 return ret;\
81 }
82
83 #define JNI_EXCEPTION_TO_CPP(env) \
84 if (env->ExceptionCheck()) {\
85 check_and_clear_exception(env);\
86 throw jni_exception(env->ExceptionOccurred());\
87 }
88
89 #define HANDLE_MEM_ALLOC_ERROR(env, nativePtr, message) \
90 ((nativePtr == NULL) && glass_throw_oom(env, message))
91
92 gpointer glass_try_malloc0_n(gsize m, gsize n);
93
94 gpointer glass_try_malloc_n(gsize m, gsize n);
95
96 typedef struct {
97 jobject runnable;
98 int flag;
99 } RunnableContext;
100
101 extern char const * const GDK_WINDOW_DATA_CONTEXT;
102
103 GdkCursor* get_native_cursor(int type);
104
105 // JNI global references
106 extern jclass jStringCls; // java.lang.String
107
108 extern jclass jByteBufferCls; //java.nio.ByteBuffer
109 extern jmethodID jByteBufferArray; //java.nio.ByteBuffer#array()[B
110 extern jmethodID jByteBufferWrap; //java.nio.ByteBuffer#wrap([B)Ljava/nio/ByteBuffer;
111
112 extern jclass jRunnableCls; // java.lang.Runnable
113 extern jmethodID jRunnableRun; // java.lang.Runnable#run ()V
114
115 extern jclass jArrayListCls; // java.util.ArrayList
116 extern jmethodID jArrayListInit; // java.util.ArrayList#<init> ()V
117 extern jmethodID jArrayListAdd; // java.util.ArrayList#add (Ljava/lang/Object;)Z
118 extern jmethodID jArrayListGetIdx; //java.util.ArryList#get (I)Ljava/lang/Object;
119
120 extern jmethodID jPixelsAttachData; // com.sun.class.ui.Pixels#attachData (J)V
121 extern jclass jGtkPixelsCls; // com.sun.class.ui.gtk.GtkPixels
122 extern jmethodID jGtkPixelsInit; // com.sun.class.ui.gtk.GtkPixels#<init> (IILjava/nio/ByteBuffer;)V
123
124 extern jclass jScreenCls; // com.sun.glass.ui.Screen
125 extern jmethodID jScreenInit; // com.sun.glass.ui.Screen#<init> ()V
126 extern jmethodID jScreenNotifySettingsChanged; // com.sun.glass.ui.Screen#notifySettingsChanged ()V
127 extern jmethodID jScreenGetScreenForLocation; //com.sun.glass.ui.Screen#getScreenForLocation(JJ)Lcom.sun.glass.ui.Screen;
128 extern jmethodID jScreenGetNativeScreen; //com.sun.glass.ui.Screen#getNativeScreen()J
129
130 extern jmethodID jViewNotifyResize; // com.sun.glass.ui.View#notifyResize (II)V
131 extern jmethodID jViewNotifyMouse; // com.sun.glass.ui.View#notifyMouse (IIIIIIIZZ)V
132 extern jmethodID jViewNotifyRepaint; // com.sun.glass.ui.View#notifyRepaint (IIII)V
133 extern jmethodID jViewNotifyKey; // com.sun.glass.ui.View#notifyKey (II[CI)V
134 extern jmethodID jViewNotifyView; //com.sun.glass.ui.View#notifyView (I)V
135 extern jmethodID jViewNotifyDragEnter; //com.sun.glass.ui.View#notifyDragEnter (IIIII)I
136 extern jmethodID jViewNotifyDragOver; //com.sun.glass.ui.View#notifyDragOver (IIIII)I
137 extern jmethodID jViewNotifyDragDrop; //com.sun.glass.ui.View#notifyDragDrop (IIIII)I
138 extern jmethodID jViewNotifyDragLeave; //com.sun.glass.ui.View#notifyDragLeave ()V
139 extern jmethodID jViewNotifyScroll; //com.sun.glass.ui.View#notifyScroll (IIIIDDIIIIIDD)V
140 extern jmethodID jViewNotifyInputMethod; //com.sun.glass.ui.View#notifyInputMethod (Ljava/lang/String;[I[I[BIII)V
141 extern jmethodID jViewNotifyInputMethodDraw; //com.sun.glass.ui.gtk.GtkView#notifyInputMethodDraw (Ljava/lang/String;III)V
142 extern jmethodID jViewNotifyInputMethodCaret; //com.sun.glass.ui.gtk.GtkView#notifyInputMethodCaret (III)V
143 extern jmethodID jViewNotifyPreeditMode; //com.sun.glass.ui.gtk.GtkView#notifyPreeditMode (Z)V
144 extern jmethodID jViewNotifyMenu; //com.sun.glass.ui.View#notifyMenu (IIIIZ)V
145 extern jfieldID jViewPtr; //com.sun.glass.ui.View.ptr
146
147 extern jmethodID jWindowNotifyResize; // com.sun.glass.ui.Window#notifyResize (III)V
148 extern jmethodID jWindowNotifyMove; // com.sun.glass.ui.Window#notifyMove (II)V
149 extern jmethodID jWindowNotifyDestroy; // com.sun.glass.ui.Window#notifyDestroy ()V
150 extern jmethodID jWindowNotifyClose; // com.sun.glass.ui.Window#notifyClose ()V
151 extern jmethodID jWindowNotifyFocus; // com.sun.glass.ui.Window#notifyFocus (I)V
152 extern jmethodID jWindowNotifyFocusDisabled; // com.sun.glass.ui.Window#notifyFocusDisabled ()V
153 extern jmethodID jWindowNotifyFocusUngrab; // com.sun.glass.ui.Window#notifyFocusUngrab ()V
154 extern jmethodID jWindowNotifyMoveToAnotherScreen; // com.sun.glass.ui.Window#notifyMoveToAnotherScreen (Lcom/sun/glass/ui/Screen;)V
155 extern jmethodID jWindowNotifyDelegatePtr; //com.sun.glass.ui.Window#notifyDelegatePtr (J)V
156 extern jmethodID jWindowIsEnabled; // com.sun.glass.ui.Window#isEnabled ()Z
157 extern jfieldID jWindowPtr; // com.sun.glass.ui.Window#ptr
158 extern jfieldID jCursorPtr; // com.sun.glass.ui.Cursor#ptr
159
160 extern jmethodID jGtkWindowNotifyStateChanged; // com.sun.glass.ui.GtkWindow#notifyStateChanged (I)V
161
162 extern jmethodID jClipboardContentChanged; // com.sun.glass.ui.Clipboard#contentChanged ()V
163
164 extern jmethodID jSizeInit; // com.sun.class.ui.Size#<init> ()V
165
166 extern jmethodID jMapGet; // java.util.Map#get(Ljava/lang/Object;)Ljava/lang/Object;
167 extern jmethodID jMapKeySet; // java.util.Map#keySet()Ljava/util/Set;
168 extern jmethodID jMapContainsKey; // java.util.Map#containsKey(Ljava/lang/Object;)Z
169
170 extern jclass jHashSetCls; // java.util.HashSet
171 extern jmethodID jHashSetInit; // java.util.HashSet#<init> ()V
172
173 extern jmethodID jSetAdd; //java.util.Set#add (Ljava/lang/Object;)Z
174 extern jmethodID jSetSize; //java.util.Set#size ()I
175 extern jmethodID jSetToArray; //java.util.Set#toArray ([Ljava/lang/Object;)[Ljava/lang/Object;
176
177 extern jmethodID jIterableIterator; // java.lang.Iterable#iterator()Ljava/util/Iterator;
178 extern jmethodID jIteratorHasNext; // java.util.Iterator#hasNext()Z;
179 extern jmethodID jIteratorNext; // java.util.Iterator#next()Ljava/lang/Object;
180
181 extern jclass jApplicationCls; //com.sun.glass.ui.gtk.GtkApplication
182 extern jfieldID jApplicationDisplay; //com.sun.glass.ui.gtk.GtkApplication#display
183 extern jfieldID jApplicationScreen; //com.sun.glass.ui.gtk.GtkApplication#screen
184 extern jfieldID jApplicationVisualID; //com.sun.glass.ui.gtk.GtkApplication#visualID
185 extern jmethodID jApplicationReportException; // reportException(Ljava/lang/Throwable;)V
186
187 #ifdef VERBOSE
188 #define LOG0(msg) {printf(msg);fflush(stdout);}
189 #define LOG1(msg, param) {printf(msg, param);fflush(stdout);}
190 #define LOG2(msg, param1, param2) {printf(msg, param1, param2);fflush(stdout);}
191 #define LOG3(msg, param1, param2, param3) {printf(msg, param1, param2, param3);fflush(stdout);}
192 #define LOG4(msg, param1, param2, param3, param4) {printf(msg, param1, param2, param3, param4);fflush(stdout);}
193 #define LOG5(msg, param1, param2, param3, param4, param5) {printf(msg, param1, param2, param3, param4, param5);fflush(stdout);}
194
195 #define LOG_STRING_ARRAY(env, array) dump_jstring_array(env, array);
196
197 #define ERROR0(msg) {fprintf(stderr, msg);fflush(stderr);}
198 #define ERROR1(msg, param) {fprintf(stderr, msg, param);fflush(stderr);}
199 #define ERROR2(msg, param1, param2) {fprintf(stderr, msg, param1, param2);fflush(stderr);}
200 #define ERROR3(msg, param1, param2, param3) {fprintf(stderr, msg, param1, param2, param3);fflush(stderr);}
201 #define ERROR4(msg, param1, param2, param3, param4) {fprintf(stderr, msg, param1, param2, param3, param4);fflush(stderr);}
202 #else
203 #define LOG0(msg)
204 #define LOG1(msg, param)
205 #define LOG2(msg, param1, param2)
206 #define LOG3(msg, param1, param2, param3)
207 #define LOG4(msg, param1, param2, param3, param4)
208 #define LOG5(msg, param1, param2, param3, param4, param5)
209
210 #define LOG_STRING_ARRAY(env, array)
211
212 #define ERROR0(msg)
213 #define ERROR1(msg, param)
214 #define ERROR2(msg, param1, param2)
215 #define ERROR3(msg, param1, param2, param3)
216 #define ERROR4(msg, param1, param2, param3, param4)
217 #endif
218
219 #define LOG_EXCEPTION(env) check_and_clear_exception(env);
220
221 void glass_throw_exception(JNIEnv * env,
222 const char * exceptionClass,
223 const char * exceptionMessage);
224 int glass_throw_oom(JNIEnv * env, const char * exceptionMessage);
225 void dump_jstring_array(JNIEnv*, jobjectArray);
226
227 guint8* convert_BGRA_to_RGBA(const int* pixels, int stride, int height);
228
229 gboolean check_and_clear_exception(JNIEnv *env);
230
231 gsize get_files_count(gchar **uris);
232
233 jobject uris_to_java(JNIEnv *env, gchar **uris, gboolean files);
234
235 #endif /* GLASS_GENERAL_H */
236