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 private long standaloneWindow;
46 private volatile boolean quit;
47
48 GtkFileDialogPeer(FileDialog fd) {
49 super(fd);
50 this.fd = fd;
51 }
52
53 private static native void initIDs();
54 static {
55 initIDs();
56 }
57
58 private native void run(String title, int mode, String dir, String file,
59 FilenameFilter filter, boolean isMultipleMode, int x, int y);
60 private native void quit();
61
62 @Override
63 public native void toFront();
64
65 @Override
66 public native void setBounds(int x, int y, int width, int height, int op);
67
68 /**
69 * Called exclusively by the native C code.
70 */
71 private void setFileInternal(String directory, String[] filenames) {
72 AWTAccessor.FileDialogAccessor accessor = AWTAccessor
73 .getFileDialogAccessor();
74
75 if (filenames == null) {
76 accessor.setDirectory(fd, null);
77 accessor.setFile(fd, null);
78 accessor.setFiles(fd, null);
79 } else {
80 // Fix 6987233: add the trailing slash if it's absent
81 String with_separator = directory;
82 if (directory != null) {
83 with_separator = directory.endsWith(File.separator) ?
84 directory : (directory + File.separator);
85 }
86 accessor.setDirectory(fd, with_separator);
87 accessor.setFile(fd, filenames[0]);
88
89 int filesNumber = (filenames != null) ? filenames.length : 0;
90 File[] files = new File[filesNumber];
91 for (int i = 0; i < filesNumber; i++) {
92 files[i] = new File(directory, filenames[i]);
93 }
94 accessor.setFiles(fd, files);
95 }
96 }
97
98 /**
99 * Called exclusively by the native C code.
100 */
101 private boolean filenameFilterCallback(String fullname) {
102 if (fd.getFilenameFilter() == null) {
103 // no filter, accept all.
104 return true;
105 }
106
107 File filen = new File(fullname);
108 return fd.getFilenameFilter().accept(new File(filen.getParent()),
109 filen.getName());
110 }
111
112 @Override
113 public void setVisible(boolean b) {
114 XToolkit.awtLock();
115 try {
116 quit = !b;
117 if (b) {
118 Runnable task = () -> {
119 showNativeDialog();
120 standaloneWindow = 0;
121 fd.setVisible(false);
122 };
123 new ManagedLocalsThread(task).start();
124 } else {
125 quit();
126 fd.setVisible(false);
127 }
128 } finally {
129 XToolkit.awtUnlock();
130 }
131 }
132
133 @Override
134 public void dispose() {
135 XToolkit.awtLock();
136 try {
137 quit = true;
138 quit();
139 }
140 finally {
141 XToolkit.awtUnlock();
142 }
143 super.dispose();
144 }
145
146 @Override
147 public void setDirectory(String dir) {
148 // We do not implement this method because we
149 // have delegated to FileDialog#setDirectory
150 }
151
152 @Override
153 public void setFile(String file) {
154 // We do not implement this method because we
155 // have delegated to FileDialog#setFile
156 }
157
158 protected void requestXFocus(long time, boolean timeProvided) {
159 if(standaloneWindow == 0) {
160 super.requestXFocus(time, timeProvided);
161 return;
162 }
163 XNETProtocol net_protocol = XWM.getWM().getNETProtocol();
164 if (net_protocol != null) {
165 net_protocol.setActiveWindow(standaloneWindow);
166 }
167 }
168
169 @Override
170 public void setFilenameFilter(FilenameFilter filter) {
171 // We do not implement this method because we
172 // have delegated to FileDialog#setFilenameFilter
173 }
174
175 private void showNativeDialog() {
176 String dirname = fd.getDirectory();
177 // File path has a priority against directory path.
178 String filename = fd.getFile();
179 if (filename != null) {
180 final File file = new File(filename);
181 if (fd.getMode() == FileDialog.LOAD
182 && dirname != null
183 && file.getParent() == null) {
184 // File path for gtk_file_chooser_set_filename.
185 filename = dirname + (dirname.endsWith(File.separator) ? "" :
186 File.separator) + filename;
187 }
188 if (fd.getMode() == FileDialog.SAVE && file.getParent() != null) {
189 // Filename for gtk_file_chooser_set_current_name.
190 filename = file.getName();
191 // Directory path for gtk_file_chooser_set_current_folder.
192 dirname = file.getParent();
193 }
194 }
195 if (!quit) {
196 run(fd.getTitle(), fd.getMode(), dirname, filename,
197 fd.getFilenameFilter(), fd.isMultipleMode(), fd.getX(), fd.getY());
198 }
199 }
200
201 /**
202 * Called by native code when GTK dialog is created.
203 */
204 boolean setWindow(long xid) {
205 if (!quit && widget != 0) {
206 standaloneWindow = xid;
207 requestXFocus();
208 return true;
209 }
210 return false;
211 }
212 }