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 */ 25package sun.awt.X11; 26 27import java.awt.FileDialog; 28import java.awt.peer.FileDialogPeer; 29import java.io.File; 30import java.io.FilenameFilter; 31import sun.awt.AWTAccessor; 32 33/** 34 * FileDialogPeer for the GtkFileChooser. 35 * 36 * @author Costantino Cerbo (c.cerbo@gmail.com) 37 */ 38final class GtkFileDialogPeer extends XDialogPeer implements FileDialogPeer { 39 40 private final FileDialog fd; 41 42 // A pointer to the native GTK FileChooser widget 43 private volatile long widget = 0L; 44 private long standaloneWindow; 45 private volatile boolean quit; 46 47 GtkFileDialogPeer(FileDialog fd) { 48 super(fd); 49 this.fd = fd; 50 } 51 52 private static native void initIDs(); 53 static { 54 initIDs(); 55 } 56 57 private native void run(String title, int mode, String dir, String file, 58 FilenameFilter filter, boolean isMultipleMode, int x, int y); 59 private native void quit(); 60 61 @Override 62 public native void toFront(); 63 64 @Override 65 public native void setBounds(int x, int y, int width, int height, int op); 66 67 /** 68 * Called exclusively by the native C code. 69 */ 70 private void setFileInternal(String directory, String[] filenames) { 71 AWTAccessor.FileDialogAccessor accessor = AWTAccessor 72 .getFileDialogAccessor(); 73 74 if (filenames == null) { 75 accessor.setDirectory(fd, null); 76 accessor.setFile(fd, null); 77 accessor.setFiles(fd, null); 78 } else { 79 // Fix 6987233: add the trailing slash if it's absent 80 String with_separator = directory; 81 if (directory != null) { 82 with_separator = directory.endsWith(File.separator) ? 83 directory : (directory + File.separator); 84 } 85 accessor.setDirectory(fd, with_separator); 86 accessor.setFile(fd, filenames[0]); 87 88 int filesNumber = (filenames != null) ? filenames.length : 0; 89 File[] files = new File[filesNumber]; 90 for (int i = 0; i < filesNumber; i++) { 91 files[i] = new File(directory, filenames[i]); 92 } 93 accessor.setFiles(fd, files); 94 } 95 } 96 97 /** 98 * Called exclusively by the native C code. 99 */ 100 private boolean filenameFilterCallback(String fullname) { 101 if (fd.getFilenameFilter() == null) { 102 // no filter, accept all. 103 return true; 104 } 105 106 File filen = new File(fullname); 107 return fd.getFilenameFilter().accept(new File(filen.getParent()), 108 filen.getName()); 109 } 110 111 @Override 112 public void setVisible(boolean b) { 113 XToolkit.awtLock(); 114 try { 115 quit = !b; 116 if (b) { 117 Runnable task = () -> { 118 showNativeDialog(); 119 standaloneWindow = 0; 120 fd.setVisible(false); 121 }; 122 new Thread(null, task, "ShowDialog", 0, false).start(); 123 } else { 124 quit(); 125 fd.setVisible(false); 126 } 127 } finally { 128 XToolkit.awtUnlock(); 129 } 130 } 131 132 @Override 133 public void dispose() { 134 XToolkit.awtLock(); 135 try { 136 quit = true; 137 quit(); 138 } 139 finally { 140 XToolkit.awtUnlock(); 141 } 142 super.dispose(); 143 } 144 145 @Override 146 public void setDirectory(String dir) { 147 // We do not implement this method because we 148 // have delegated to FileDialog#setDirectory 149 } 150 151 @Override 152 public void setFile(String file) { 153 // We do not implement this method because we 154 // have delegated to FileDialog#setFile 155 } 156 157 protected void requestXFocus(long time, boolean timeProvided) { 158 if(standaloneWindow == 0) { 159 super.requestXFocus(time, timeProvided); 160 return; 161 } 162 XNETProtocol net_protocol = XWM.getWM().getNETProtocol(); 163 if (net_protocol != null) { 164 net_protocol.setActiveWindow(standaloneWindow); 165 } 166 } 167 168 @Override 169 public void setFilenameFilter(FilenameFilter filter) { 170 // We do not implement this method because we 171 // have delegated to FileDialog#setFilenameFilter 172 } 173 174 private void showNativeDialog() { 175 String dirname = fd.getDirectory(); 176 // File path has a priority against directory path. 177 String filename = fd.getFile(); 178 if (filename != null) { 179 final File file = new File(filename); 180 if (fd.getMode() == FileDialog.LOAD 181 && dirname != null 182 && file.getParent() == null) { 183 // File path for gtk_file_chooser_set_filename. 184 filename = dirname + (dirname.endsWith(File.separator) ? "" : 185 File.separator) + filename; 186 } 187 if (fd.getMode() == FileDialog.SAVE && file.getParent() != null) { 188 // Filename for gtk_file_chooser_set_current_name. 189 filename = file.getName(); 190 // Directory path for gtk_file_chooser_set_current_folder. 191 dirname = file.getParent(); 192 } 193 } 194 if (!quit) { 195 run(fd.getTitle(), fd.getMode(), dirname, filename, 196 fd.getFilenameFilter(), fd.isMultipleMode(), fd.getX(), fd.getY()); 197 } 198 } 199 200 /** 201 * Called by native code when GTK dialog is created. 202 */ 203 boolean setWindow(long xid) { 204 if (!quit && widget != 0) { 205 standaloneWindow = xid; 206 requestXFocus(); 207 return true; 208 } 209 return false; 210 } 211} 212