1 /*
2 * Copyright (c) 2010, 2011, 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.Dialog;
28 import java.awt.FileDialog;
29 import java.awt.peer.FileDialogPeer;
30 import java.io.File;
31 import java.io.FilenameFilter;
32 import sun.awt.AWTAccessor;
33
34 /**
35 * FileDialogPeer for the GtkFileChooser.
36 *
37 * @author Costantino Cerbo (c.cerbo@gmail.com)
38 */
39 class GtkFileDialogPeer extends XDialogPeer implements FileDialogPeer {
40
41 private FileDialog fd;
42
43 // A pointer to the native GTK FileChooser widget
44 private volatile long widget = 0L;
45
46 public GtkFileDialogPeer(FileDialog fd) {
47 super((Dialog) 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, null);
77 } else {
78 // Fix 6987233: add the trailing slash if it's absent
79 accessor.setDirectory(fd, directory +
80 (directory.endsWith(File.separator) ?
81 "" : File.separator));
82 accessor.setFile(fd, filenames[0]);
83 accessor.setFiles(fd, directory, filenames);
84 }
85 }
86
87 /**
88 * Called exclusively by the native C code.
89 */
90 private boolean filenameFilterCallback(String fullname) {
91 if (fd.getFilenameFilter() == null) {
92 // no filter, accept all.
93 return true;
94 }
95
96 File filen = new File(fullname);
97 return fd.getFilenameFilter().accept(new File(filen.getParent()),
98 filen.getName());
99 }
100
101 @Override
102 public void setVisible(boolean b) {
103 XToolkit.awtLock();
104 try {
105 if (b) {
106 Thread t = new Thread() {
107 public void run() {
108 showNativeDialog();
109 fd.setVisible(false);
110 }
111 };
112 t.start();
113 } else {
114 quit();
115 fd.setVisible(false);
116 }
117 } finally {
118 XToolkit.awtUnlock();
119 }
120 }
121
122 @Override
123 public void dispose() {
124 quit();
125 super.dispose();
126 }
127
128 @Override
129 public void setDirectory(String dir) {
130 // We do not implement this method because we
131 // have delegated to FileDialog#setDirectory
132 }
133
134 @Override
135 public void setFile(String file) {
136 // We do not implement this method because we
137 // have delegated to FileDialog#setFile
138 }
139
140 @Override
141 public void setFilenameFilter(FilenameFilter filter) {
142 // We do not implement this method because we
143 // have delegated to FileDialog#setFilenameFilter
144 }
145
146 private void showNativeDialog() {
147 String dirname = fd.getDirectory();
148 // File path has a priority against directory path.
149 String filename = fd.getFile();
150 if (filename != null) {
151 final File file = new File(filename);
152 if (fd.getMode() == FileDialog.LOAD
153 && dirname != null
154 && file.getParent() == null) {
155 // File path for gtk_file_chooser_set_filename.
156 filename = dirname + (dirname.endsWith(File.separator) ? "" :
157 File.separator) + filename;
158 }
159 if (fd.getMode() == FileDialog.SAVE && file.getParent() != null) {
160 // Filename for gtk_file_chooser_set_current_name.
161 filename = file.getName();
162 // Directory path for gtk_file_chooser_set_current_folder.
163 dirname = file.getParent();
164 }
165 }
166 GtkFileDialogPeer.this.run(fd.getTitle(), fd.getMode(), dirname,
167 filename, fd.getFilenameFilter(),
168 fd.isMultipleMode(), fd.getX(), fd.getY());
169 }
170
171 }