1 /*
2 * Copyright (c) 2011, 2016, 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 com.apple.laf;
27
28 import java.awt.*;
29 import java.awt.event.*;
30 import java.awt.geom.Rectangle2D;
31 import java.awt.image.BufferedImage;
32 import java.beans.PropertyVetoException;
33
34 import javax.swing.*;
35 import javax.swing.plaf.*;
36
37 import sun.swing.SwingUtilities2;
38
39 /**
40 * From MacDockIconUI
41 *
42 * A JRSUI L&F implementation of JInternalFrame.JDesktopIcon
43 */
44 public final class AquaInternalFrameDockIconUI extends DesktopIconUI
45 implements MouseListener, MouseMotionListener {
46
47 private JInternalFrame.JDesktopIcon fDesktopIcon;
48 private JInternalFrame fFrame;
49 private ScaledImageLabel fIconPane;
50 private DockLabel fDockLabel;
51 private boolean fTrackingIcon;
52
53 public static ComponentUI createUI(final JComponent c) {
54 return new AquaInternalFrameDockIconUI();
55 }
56
57 @Override
58 public void installUI(final JComponent c) {
59 fDesktopIcon = (JInternalFrame.JDesktopIcon)c;
60 installComponents();
61 installListeners();
62 }
63
64 @Override
65 public void uninstallUI(final JComponent c) {
66 uninstallComponents();
67 uninstallListeners();
68 fDesktopIcon = null;
69 fFrame = null;
70 }
71
72 private void installComponents() {
73 fFrame = fDesktopIcon.getInternalFrame();
74 fIconPane = new ScaledImageLabel();
75 fDesktopIcon.setLayout(new BorderLayout());
76 fDesktopIcon.add(fIconPane, BorderLayout.CENTER);
77 }
78
79 private void uninstallComponents() {
80 fDesktopIcon.setLayout(null);
81 fDesktopIcon.remove(fIconPane);
82 }
83
84 private void installListeners() {
85 fDesktopIcon.addMouseListener(this);
86 fDesktopIcon.addMouseMotionListener(this);
87 }
88
89 private void uninstallListeners() {
90 fDesktopIcon.removeMouseMotionListener(this);
91 fDesktopIcon.removeMouseListener(this);
92 }
93
94 @Override
95 public Dimension getMinimumSize(final JComponent c) {
96 return new Dimension(32, 32);
97 }
98
99 @Override
100 public Dimension getMaximumSize(final JComponent c) {
101 return new Dimension(128, 128);
102 }
103
104 @Override
105 public Dimension getPreferredSize(final JComponent c) {
106 return new Dimension(64, 64); //$ Dock preferred size
107 }
108
109 void updateIcon() {
110 fIconPane.updateIcon();
111 }
112
113 @Override
114 public void mousePressed(final MouseEvent e) {
115 fTrackingIcon = fIconPane.mouseInIcon(e);
116 if (fTrackingIcon) fIconPane.repaint();
117 }
118
119 @Override
120 public void mouseReleased(final MouseEvent e) {// only when it's actually in the image
121 if (fFrame.isIconifiable() && fFrame.isIcon()) {
122 if (fTrackingIcon) {
123 fTrackingIcon = false;
124 if (fIconPane.mouseInIcon(e)) {
125 if (fDockLabel != null) fDockLabel.hide();
126 try {
127 fFrame.setIcon(false);
128 } catch(final PropertyVetoException e2) {}
129 } else {
130 fIconPane.repaint();
131 }
132 }
133 }
134
135 // if the mouse was completely outside fIconPane, hide the label
136 if (fDockLabel != null && !fIconPane.getBounds().contains(e.getX(), e.getY())) fDockLabel.hide();
137 }
138
139 @Override
140 public void mouseEntered(final MouseEvent e) {
141 if ((e.getModifiers() & InputEvent.BUTTON1_MASK) != 0) return;
142 String title = fFrame.getTitle();
143 if (title == null || title.equals("")) title = "Untitled";
144 fDockLabel = new DockLabel(title);
145 fDockLabel.show(fDesktopIcon);
146 }
147
148 @Override
149 public void mouseExited(final MouseEvent e) {
150 if (fDockLabel != null && (e.getModifiers() & InputEvent.BUTTON1_MASK) == 0) fDockLabel.hide();
151 }
152
153 @Override
154 public void mouseClicked(final MouseEvent e) { }
155
156 @Override
157 public void mouseDragged(final MouseEvent e) { }
158
159 @Override
160 public void mouseMoved(final MouseEvent e) { }
161
162 @SuppressWarnings("serial") // Superclass is not serializable across versions
163 private final class ScaledImageLabel extends JLabel {
164 ScaledImageLabel() {
165 super(null, null, CENTER);
166 }
167
168 void updateIcon() {
169 int width = fFrame.getWidth();
170 int height = fFrame.getHeight();
171
172 // Protect us from unsized frames, like in JCK test DefaultDesktopManager2008
173 if (width <= 0 || height <= 0) {
174 width = 128;
175 height = 128;
176 }
177
178 final Image fImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB_PRE);
179 final Graphics g = fImage.getGraphics();
180 fFrame.paint(g);
181 g.dispose();
182
183 final float scale = (float)fDesktopIcon.getWidth() / (float)Math.max(width, height) * 0.89f;
184 // Sending in -1 for width xor height causes it to maintain aspect ratio
185 setIcon(new ImageIcon(fImage.getScaledInstance((int)(width * scale), -1, Image.SCALE_SMOOTH)));
186 }
187
188 @Override
189 public void paint(final Graphics g) {
190 if (getIcon() == null) updateIcon();
191
192 g.translate(0, 2);
193
194 if (!fTrackingIcon) {
195 super.paint(g);
196 return;
197 }
198
199 final ImageIcon prev = (ImageIcon)getIcon();
200 final ImageIcon pressedIcon = new ImageIcon(AquaUtils.generateSelectedDarkImage(prev.getImage()));
201 setIcon(pressedIcon);
202 super.paint(g);
203 setIcon(prev);
204 }
205
206 boolean mouseInIcon(final MouseEvent e) {
207 return getBounds().contains(e.getX(), e.getY());
208 }
209
210 @Override
211 public Dimension getPreferredSize() {
212 return new Dimension(64, 64); //$ Dock preferred size
213 }
214 }
215
216 @SuppressWarnings("serial") // Superclass is not serializable across versions
217 private static final class DockLabel extends JLabel {
218 static final int NUB_HEIGHT = 7;
219 static final int ROUND_ADDITIONAL_HEIGHT = 8;
220 static final int ROUND_ADDITIONAL_WIDTH = 12;
221
222 DockLabel(final String text) {
223 super(text);
224 setBorder(null);
225 setOpaque(false);
226 setFont(AquaFonts.getDockIconFont());
227
228 final FontMetrics metrics = getFontMetrics(getFont());
229 setSize(SwingUtilities.computeStringWidth(metrics, getText()) + ROUND_ADDITIONAL_WIDTH * 2, metrics.getAscent() + NUB_HEIGHT + ROUND_ADDITIONAL_HEIGHT);
230 }
231
232 @Override
233 public void paint(final Graphics g) {
234 final int width = getWidth();
235 final int height = getHeight();
236
237 final Font font = getFont();
238 final FontMetrics metrics = getFontMetrics(font);
239 g.setFont(font);
240
241 final String text = getText().trim();
242 final int ascent = metrics.getAscent();
243
244 final Rectangle2D stringBounds = metrics.getStringBounds(text, g);
245 final int halfway = width / 2;
246
247 final int x = (halfway - (int)stringBounds.getWidth() / 2);
248
249 final Graphics2D g2d = g instanceof Graphics2D ? (Graphics2D)g : null;
250 if (g2d != null) {
251 g.setColor(UIManager.getColor("DesktopIcon.labelBackground"));
252 final Object origAA = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
253 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
254
255 final int roundHeight = height - ROUND_ADDITIONAL_HEIGHT + 1;
256 g.fillRoundRect(0, 0, width, roundHeight, roundHeight, roundHeight);
257
258 final int[] xpts = { halfway, halfway + NUB_HEIGHT, halfway - NUB_HEIGHT };
259 final int[] ypts = { height, height - NUB_HEIGHT, height - NUB_HEIGHT };
260 g.fillPolygon(xpts, ypts, 3);
261
262 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, origAA);
263 }
264
265 g.setColor(Color.black);
266 SwingUtilities2.drawString(this, g, text, x, 2 + ascent);
267 g.setColor(Color.white);
268 SwingUtilities2.drawString(this, g, text, x, 1 + ascent);
269 }
270
271 public void show(final Component invoker) {
272 final int desiredLocationX = (invoker.getWidth() - getWidth()) / 2;
273 final int desiredLocationY = -(getHeight() + 6);
274
275 Container parent = invoker.getParent();
276
277 for (Container p = parent; p != null; p = p.getParent()) {
278 if (p instanceof JRootPane) {
279 if (p.getParent() instanceof JInternalFrame) continue;
280 parent = ((JRootPane)p).getLayeredPane();
281 for (p = parent.getParent(); p != null && (!(p instanceof java.awt.Window)); p = p.getParent());
282 break;
283 }
284 }
285
286 final Point p = SwingUtilities.convertPoint(invoker, desiredLocationX, desiredLocationY, parent);
287 setLocation(p.x, p.y);
288 if (parent instanceof JLayeredPane) {
289 ((JLayeredPane)parent).add(this, JLayeredPane.POPUP_LAYER, 0);
290 }
291 }
292
293 @Override
294 @Deprecated
295 public void hide() {
296 final Container parent = getParent();
297 final Rectangle r = this.getBounds();
298 if (parent == null) return;
299 parent.remove(this);
300 parent.repaint(r.x, r.y, r.width, r.height);
301 }
302 }
303 }