1 /*
2 * Copyright (c) 2011, 2020, 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
26 package sun.lwawt.macosx;
27
28 import java.awt.AWTEvent;
29 import java.awt.AWTException;
30 import java.awt.BufferCapabilities;
31 import java.awt.BufferCapabilities.FlipContents;
32 import java.awt.Color;
33 import java.awt.Component;
34 import java.awt.Dialog;
35 import java.awt.Dimension;
36 import java.awt.FileDialog;
37 import java.awt.Font;
38 import java.awt.FontMetrics;
39 import java.awt.Graphics;
40 import java.awt.GraphicsConfiguration;
41 import java.awt.Image;
42 import java.awt.Insets;
43 import java.awt.Point;
44 import java.awt.Window;
45 import java.awt.event.FocusEvent.Cause;
46 import java.awt.event.PaintEvent;
47 import java.awt.image.ColorModel;
48 import java.awt.image.VolatileImage;
49 import java.awt.peer.ComponentPeer;
50 import java.awt.peer.ContainerPeer;
51 import java.awt.peer.FileDialogPeer;
52 import java.io.File;
53 import java.io.FilenameFilter;
54 import java.security.AccessController;
55 import java.util.List;
56
57 import sun.awt.AWTAccessor;
58 import sun.java2d.pipe.Region;
59 import sun.security.action.GetBooleanAction;
60
61 class CFileDialog implements FileDialogPeer {
62
63 private class Task implements Runnable {
64
65 @Override
66 public void run() {
67 try {
68 boolean navigateApps = !AccessController.doPrivileged(
69 new GetBooleanAction("apple.awt.use-file-dialog-packages"));
70 boolean chooseDirectories = AccessController.doPrivileged(
71 new GetBooleanAction("apple.awt.fileDialogForDirectories"));
72
73 int dialogMode = target.getMode();
74 String title = target.getTitle();
75 if (title == null) {
76 title = " ";
77 }
78
79 String[] userFileNames = nativeRunFileDialog(title,
80 dialogMode,
81 target.isMultipleMode(),
82 navigateApps,
83 chooseDirectories,
84 target.getFilenameFilter() != null,
85 target.getDirectory(),
86 target.getFile());
87
88 String directory = null;
89 String file = null;
90 File[] files = null;
91
92 if (userFileNames != null) {
93 // the dialog wasn't cancelled
94 int filesNumber = userFileNames.length;
95 files = new File[filesNumber];
96 for (int i = 0; i < filesNumber; i++) {
97 files[i] = new File(userFileNames[i]);
98 }
99
100 directory = files[0].getParent();
101 // make sure directory always ends in '/'
102 if (!directory.endsWith(File.separator)) {
103 directory = directory + File.separator;
104 }
105
106 file = files[0].getName(); // pick any file
107 }
108
109 // store results back in component
110 AWTAccessor.FileDialogAccessor accessor = AWTAccessor.getFileDialogAccessor();
111 accessor.setDirectory(target, directory);
112 accessor.setFile(target, file);
113 accessor.setFiles(target, files);
114 } finally {
115 // Java2 Dialog waits for hide to let show() return
116 target.dispose();
117 }
118 }
119 }
120
121 // The target FileDialog
122 private final FileDialog target;
123
124 CFileDialog(FileDialog target) {
125 this.target = target;
126 }
127
128 @Override
129 public void dispose() {
130 LWCToolkit.targetDisposedPeer(target, this);
131 // Unlike other peers, we do not have a native model pointer to
132 // dispose of because the save and open panels are never released by
133 // an application.
134 }
135
136 @Override
137 public void setVisible(boolean visible) {
138 if (visible) {
139 // Java2 Dialog class requires peer to run code in a separate thread
140 // and handles keeping the call modal
141 new Thread(null, new Task(), "FileDialog", 0, false).start();
142 }
143 // We hide ourself before "show" returns - setVisible(false)
144 // doesn't apply
145 }
146
147 /**
148 * A callback method.
149 * If the file dialog has a file filter, ask it if inFilename is acceptable.
150 * If the dialog doesn't have a file filter return true.
151 */
152 private boolean queryFilenameFilter(final String inFilename) {
153 boolean ret = false;
154
155 final FilenameFilter ff = target.getFilenameFilter();
156 File fileObj = new File(inFilename);
157
158 // Directories are never filtered by the FileDialog.
159 if (!fileObj.isDirectory()) {
160 File directoryObj = new File(fileObj.getParent());
161 String nameOnly = fileObj.getName();
162 ret = ff.accept(directoryObj, nameOnly);
163 }
164 return ret;
165 }
166
167 private native String[] nativeRunFileDialog(String title, int mode,
168 boolean multipleMode, boolean shouldNavigateApps,
169 boolean canChooseDirectories, boolean hasFilenameFilter,
170 String directory, String file);
171
172 @Override
173 public void setDirectory(String dir) {
174 }
175
176 @Override
177 public void setFile(String file) {
178 }
179
180 @Override
181 public void setFilenameFilter(FilenameFilter filter) {
182 }
183
184 @Override
185 public void blockWindows(List<Window> windows) {
186 }
187
188 @Override
189 public void setResizable(boolean resizeable) {
190 }
191
192 @Override
193 public void setTitle(String title) {
194 }
195
196 @Override
197 public void repositionSecurityWarning() {
198 }
199
200 @Override
201 public void updateAlwaysOnTopState() {
202 }
203
204 @Override
205 public void setModalBlocked(Dialog blocker, boolean blocked) {
206 }
207
208 @Override
209 public void setOpacity(float opacity) {
210 }
211
212 @Override
213 public void setOpaque(boolean isOpaque) {
214 }
215
216 @Override
217 public void toBack() {
218 }
219
220 @Override
221 public void toFront() {
222 }
223
224 @Override
225 public void updateFocusableWindowState() {
226 }
227
228 @Override
229 public void updateIconImages() {
230 }
231
232 @Override
233 public void updateMinimumSize() {
234 }
235
236 @Override
237 public void updateWindow() {
238 }
239
240 @Override
241 public void beginLayout() {
242 }
243
244 @Override
245 public void beginValidate() {
246 }
247
248 @Override
249 public void endLayout() {
250 }
251
252 @Override
253 public void endValidate() {
254 }
255
256 @Override
257 public Insets getInsets() {
258 return new Insets(0, 0, 0, 0);
259 }
260
261 @Override
262 public void applyShape(Region shape) {
263 }
264
265 @Override
266 public boolean canDetermineObscurity() {
267 return false;
268 }
269
270 @Override
271 public void coalescePaintEvent(PaintEvent e) {
272 }
273
274 @Override
275 public void createBuffers(int numBuffers, BufferCapabilities caps)
276 throws AWTException {
277 }
278
279 @Override
280 public Image createImage(int width, int height) {
281 return null;
282 }
283
284 @Override
285 public VolatileImage createVolatileImage(int width, int height) {
286 return null;
287 }
288
289 @Override
290 public void destroyBuffers() {
291 }
292
293 @Override
294 public void flip(int x1, int y1, int x2, int y2, FlipContents flipAction) {
295 }
296
297 @Override
298 public Image getBackBuffer() {
299 return null;
300 }
301
302 @Override
303 public ColorModel getColorModel() {
304 return null;
305 }
306
307 @Override
308 public FontMetrics getFontMetrics(Font font) {
309 return null;
310 }
311
312 @Override
313 public Graphics getGraphics() {
314 return null;
315 }
316
317 @Override
318 public GraphicsConfiguration getGraphicsConfiguration() {
319 return null;
320 }
321
322 @Override
323 public Point getLocationOnScreen() {
324 return null;
325 }
326
327 @Override
328 public Dimension getMinimumSize() {
329 return target.getSize();
330 }
331
332 @Override
333 public Dimension getPreferredSize() {
334 return getMinimumSize();
335 }
336
337 @Override
338 public void handleEvent(AWTEvent e) {
339 }
340
341 @Override
342 public boolean handlesWheelScrolling() {
343 return false;
344 }
345
346 @Override
347 public boolean isFocusable() {
348 return false;
349 }
350
351 @Override
352 public boolean isObscured() {
353 return false;
354 }
355
356 @Override
357 public boolean isReparentSupported() {
358 return false;
359 }
360
361 @Override
362 public void layout() {
363 }
364
365 @Override
366 public void paint(Graphics g) {
367 }
368
369 @Override
370 public void print(Graphics g) {
371 }
372
373 @Override
374 public void reparent(ContainerPeer newContainer) {
375 }
376
377 @Override
378 public boolean requestFocus(Component lightweightChild, boolean temporary,
379 boolean focusedWindowChangeAllowed, long time, Cause cause) {
380 return false;
381 }
382
383 @Override
384 public void setBackground(Color c) {
385 }
386
387 @Override
388 public void setForeground(Color c) {
389 }
390
391 @Override
392 public void setBounds(int x, int y, int width, int height, int op) {
393 }
394
395 @Override
396 public void setEnabled(boolean e) {
397 }
398
399 @Override
400 public void setFont(Font f) {
401 }
402
403 @Override
404 public void setZOrder(ComponentPeer above) {
405 }
406
407 @Override
408 public void updateCursorImmediately() {
409 }
410
411 @Override
412 public boolean updateGraphicsData(GraphicsConfiguration gc) {
413 return false;
414 }
415 }