1 /*
2 * Copyright (c) 2010, 2015, 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 package sun.awt.X11;
26
27 import java.awt.FileDialog;
28 import java.awt.peer.FileDialogPeer;
29 import java.io.File;
30 import java.io.FilenameFilter;
31 import sun.awt.AWTAccessor;
32 import sun.misc.ManagedLocalsThread;
33
34 /**
35 * FileDialogPeer for the GtkFileChooser.
36 *
37 * @author Costantino Cerbo (c.cerbo@gmail.com)
38 */
39 final class GtkFileDialogPeer extends XDialogPeer implements FileDialogPeer {
40
41 private final FileDialog fd;
42
43 // A pointer to the native GTK FileChooser widget
44 private volatile long widget = 0L;
45
46 GtkFileDialogPeer(FileDialog fd) {
47 super(fd);
48 this.fd = fd;
49 }
50
51 private static native void initIDs();
52 static {
53 initIDs();
54 }
55
56 private native void run(String title, int mode, String dir, String file,
57 FilenameFilter filter, boolean isMultipleMode, int x, int y);
58 private native void quit();
59
60 @Override
61 public native void toFront();
62
63 @Override
64 public native void setBounds(int x, int y, int width, int height, int op);
65
66 /**
67 * Called exclusively by the native C code.
68 */
69 private void setFileInternal(String directory, String[] filenames) {
70 AWTAccessor.FileDialogAccessor accessor = AWTAccessor
71 .getFileDialogAccessor();
72
73 if (filenames == null) {
74 accessor.setDirectory(fd, null);
75 accessor.setFile(fd, null);
76 accessor.setFiles(fd, null);
77 } else {
78 // Fix 6987233: add the trailing slash if it's absent
79 String with_separator = directory;
80 if (directory != null) {
81 with_separator = directory.endsWith(File.separator) ?
82 directory : (directory + File.separator);
83 }
84 accessor.setDirectory(fd, with_separator);
85 accessor.setFile(fd, filenames[0]);
86
87 int filesNumber = (filenames != null) ? filenames.length : 0;
88 File[] files = new File[filesNumber];
89 for (int i = 0; i < filesNumber; i++) {
90 files[i] = new File(directory, filenames[i]);
91 }
92 accessor.setFiles(fd, files);
93 }
94 }
95
96 /**
97 * Called exclusively by the native C code.
98 */
99 private boolean filenameFilterCallback(String fullname) {
100 if (fd.getFilenameFilter() == null) {
101 // no filter, accept all.
102 return true;
103 }
104
105 File filen = new File(fullname);
106 return fd.getFilenameFilter().accept(new File(filen.getParent()),
107 filen.getName());
108 }
109
110 @Override
111 public void setVisible(boolean b) {
112 XToolkit.awtLock();
113 try {
114 if (b) {
115 Runnable task = () -> {
116 showNativeDialog();
117 fd.setVisible(false);
118 };
119 new ManagedLocalsThread(task).start();
120 } else {
121 quit();
122 fd.setVisible(false);
123 }
124 } finally {
125 XToolkit.awtUnlock();
126 }
127 }
128
129 @Override
130 public void dispose() {
131 quit();
132 super.dispose();
133 }
134
135 @Override
136 public void setDirectory(String dir) {
137 // We do not implement this method because we
138 // have delegated to FileDialog#setDirectory
139 }
140
141 @Override
142 public void setFile(String file) {
143 // We do not implement this method because we
144 // have delegated to FileDialog#setFile
145 }
146
147 @Override
148 public void setFilenameFilter(FilenameFilter filter) {
149 // We do not implement this method because we
150 // have delegated to FileDialog#setFilenameFilter
151 }
152
153 private void showNativeDialog() {
154 String dirname = fd.getDirectory();
155 // File path has a priority against directory path.
156 String filename = fd.getFile();
157 if (filename != null) {
158 final File file = new File(filename);
159 if (fd.getMode() == FileDialog.LOAD
160 && dirname != null
161 && file.getParent() == null) {
162 // File path for gtk_file_chooser_set_filename.
163 filename = dirname + (dirname.endsWith(File.separator) ? "" :
164 File.separator) + filename;
165 }
166 if (fd.getMode() == FileDialog.SAVE && file.getParent() != null) {
167 // Filename for gtk_file_chooser_set_current_name.
168 filename = file.getName();
169 // Directory path for gtk_file_chooser_set_current_folder.
170 dirname = file.getParent();
171 }
172 }
173 run(fd.getTitle(), fd.getMode(), dirname, filename,
174 fd.getFilenameFilter(), fd.isMultipleMode(), fd.getX(), fd.getY());
175 }
176 }