1 /* 2 * Copyright (c) 2011, 2014, 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 * @author 44 * @version 45 */ 46 public class AquaInternalFrameDockIconUI extends DesktopIconUI implements MouseListener, MouseMotionListener, ComponentListener { 47 private static final String CACHED_FRAME_ICON_KEY = "apple.laf.internal.frameIcon"; 48 49 protected JInternalFrame.JDesktopIcon fDesktopIcon; 50 protected JInternalFrame fFrame; 51 protected ScaledImageLabel fIconPane; 52 protected DockLabel fDockLabel; 53 protected boolean fTrackingIcon = false; 54 55 public static ComponentUI createUI(final JComponent c) { 56 return new AquaInternalFrameDockIconUI(); 57 } 58 59 public void installUI(final JComponent c) { 60 fDesktopIcon = (JInternalFrame.JDesktopIcon)c; 61 installComponents(); 62 installListeners(); 63 } 64 65 public void uninstallUI(final JComponent c) { 66 uninstallComponents(); 67 uninstallListeners(); 68 fDesktopIcon = null; 69 fFrame = null; 70 } 71 72 protected void installComponents() { 73 fFrame = fDesktopIcon.getInternalFrame(); 74 fIconPane = new ScaledImageLabel(); 75 fDesktopIcon.setLayout(new BorderLayout()); 76 fDesktopIcon.add(fIconPane, BorderLayout.CENTER); 77 } 78 79 protected void uninstallComponents() { 80 fDesktopIcon.setLayout(null); 81 fDesktopIcon.remove(fIconPane); 82 } 83 84 protected void installListeners() { 85 fDesktopIcon.addMouseListener(this); 86 fDesktopIcon.addMouseMotionListener(this); 87 fFrame.addComponentListener(this); 88 } 89 90 protected void uninstallListeners() { 91 fFrame.removeComponentListener(this); 92 fDesktopIcon.removeMouseMotionListener(this); 93 fDesktopIcon.removeMouseListener(this); 94 } 95 96 public Dimension getMinimumSize(final JComponent c) { 97 return new Dimension(32, 32); 98 } 99 100 public Dimension getMaximumSize(final JComponent c) { 101 return new Dimension(128, 128); 102 } 103 104 public Dimension getPreferredSize(final JComponent c) { 105 return new Dimension(64, 64); //$ Dock preferred size 106 } 107 108 public Insets getInsets(final JComponent c) { 109 return new Insets(0, 0, 0, 0); 110 } 111 112 void updateIcon() { 113 fIconPane.updateIcon(); 114 } 115 116 public void mousePressed(final MouseEvent e) { 117 fTrackingIcon = fIconPane.mouseInIcon(e); 118 if (fTrackingIcon) fIconPane.repaint(); 119 } 120 121 public void mouseReleased(final MouseEvent e) {// only when it's actually in the image 122 if (fFrame.isIconifiable() && fFrame.isIcon()) { 123 if (fTrackingIcon) { 124 fTrackingIcon = false; 125 if (fIconPane.mouseInIcon(e)) { 126 if (fDockLabel != null) fDockLabel.hide(); 127 try { 128 fFrame.setIcon(false); 129 } catch(final PropertyVetoException e2) {} 130 } else { 131 fIconPane.repaint(); 132 } 133 } 134 } 135 136 // if the mouse was completely outside fIconPane, hide the label 137 if (fDockLabel != null && !fIconPane.getBounds().contains(e.getX(), e.getY())) fDockLabel.hide(); 138 } 139 140 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 public void mouseExited(final MouseEvent e) { 149 if (fDockLabel != null && (e.getModifiers() & InputEvent.BUTTON1_MASK) == 0) fDockLabel.hide(); 150 } 151 152 public void mouseClicked(final MouseEvent e) { } 153 154 public void mouseDragged(final MouseEvent e) { } 155 156 public void mouseMoved(final MouseEvent e) { } 157 158 public void componentHidden(final ComponentEvent e) { } 159 160 public void componentMoved(final ComponentEvent e) { } 161 162 public void componentResized(final ComponentEvent e) { 163 fFrame.putClientProperty(CACHED_FRAME_ICON_KEY, null); 164 } 165 166 public void componentShown(final ComponentEvent e) { 167 fFrame.putClientProperty(CACHED_FRAME_ICON_KEY, null); 168 } 169 170 @SuppressWarnings("serial") // Superclass is not serializable across versions 171 class ScaledImageLabel extends JLabel { 172 ScaledImageLabel() { 173 super(null, null, CENTER); 174 } 175 176 void updateIcon() { 177 final Object priorIcon = fFrame.getClientProperty(CACHED_FRAME_ICON_KEY); 178 if (priorIcon instanceof ImageIcon) { 179 setIcon((ImageIcon)priorIcon); 180 return; 181 } 182 183 int width = fFrame.getWidth(); 184 int height = fFrame.getHeight(); 185 186 // Protect us from unsized frames, like in JCK test DefaultDesktopManager2008 187 if (width <= 0 || height <= 0) { 188 width = 128; 189 height = 128; 190 } 191 192 final Image fImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB_PRE); 193 final Graphics g = fImage.getGraphics(); 194 fFrame.paint(g); 195 g.dispose(); 196 197 final float scale = (float)fDesktopIcon.getWidth() / (float)Math.max(width, height) * 0.89f; 198 // Sending in -1 for width xor height causes it to maintain aspect ratio 199 final ImageIcon icon = new ImageIcon(fImage.getScaledInstance((int)(width * scale), -1, Image.SCALE_SMOOTH)); 200 fFrame.putClientProperty(CACHED_FRAME_ICON_KEY, icon); 201 setIcon(icon); 202 } 203 204 public void paint(final Graphics g) { 205 if (getIcon() == null) updateIcon(); 206 207 g.translate(0, 2); 208 209 if (!fTrackingIcon) { 210 super.paint(g); 211 return; 212 } 213 214 final ImageIcon prev = (ImageIcon)getIcon(); 215 final ImageIcon pressedIcon = new ImageIcon(AquaUtils.generateSelectedDarkImage(prev.getImage())); 216 setIcon(pressedIcon); 217 super.paint(g); 218 setIcon(prev); 219 } 220 221 boolean mouseInIcon(final MouseEvent e) { 222 return getBounds().contains(e.getX(), e.getY()); 223 } 224 225 public Dimension getPreferredSize() { 226 return new Dimension(64, 64); //$ Dock preferred size 227 } 228 } 229 230 @SuppressWarnings("serial") // Superclass is not serializable across versions 231 class DockLabel extends JLabel { 232 final static int NUB_HEIGHT = 7; 233 final static int ROUND_ADDITIONAL_HEIGHT = 8; 234 final static int ROUND_ADDITIONAL_WIDTH = 12; 235 236 DockLabel(final String text) { 237 super(text); 238 setBorder(null); 239 setOpaque(false); 240 setFont(AquaFonts.getDockIconFont()); 241 242 final FontMetrics metrics = getFontMetrics(getFont()); 243 setSize(SwingUtilities.computeStringWidth(metrics, getText()) + ROUND_ADDITIONAL_WIDTH * 2, metrics.getAscent() + NUB_HEIGHT + ROUND_ADDITIONAL_HEIGHT); 244 } 245 246 public void paint(final Graphics g) { 247 final int width = getWidth(); 248 final int height = getHeight(); 249 250 final Font font = getFont(); 251 final FontMetrics metrics = getFontMetrics(font); 252 g.setFont(font); 253 254 final String text = getText().trim(); 255 final int ascent = metrics.getAscent(); 256 257 final Rectangle2D stringBounds = metrics.getStringBounds(text, g); 258 final int halfway = width / 2; 259 260 final int x = (halfway - (int)stringBounds.getWidth() / 2); 261 262 final Graphics2D g2d = g instanceof Graphics2D ? (Graphics2D)g : null; 263 if (g2d != null) { 264 g.setColor(UIManager.getColor("DesktopIcon.labelBackground")); 265 final Object origAA = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING); 266 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); 267 268 final int roundHeight = height - ROUND_ADDITIONAL_HEIGHT + 1; 269 g.fillRoundRect(0, 0, width, roundHeight, roundHeight, roundHeight); 270 271 final int[] xpts = { halfway, halfway + NUB_HEIGHT, halfway - NUB_HEIGHT }; 272 final int[] ypts = { height, height - NUB_HEIGHT, height - NUB_HEIGHT }; 273 g.fillPolygon(xpts, ypts, 3); 274 275 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, origAA); 276 } 277 278 g.setColor(Color.black); 279 SwingUtilities2.drawString(this, g, text, x, 2 + ascent); 280 g.setColor(Color.white); 281 SwingUtilities2.drawString(this, g, text, x, 1 + ascent); 282 } 283 284 public void show(final Component invoker) { 285 final int desiredLocationX = (invoker.getWidth() - getWidth()) / 2; 286 final int desiredLocationY = -(getHeight() + 6); 287 288 Container parent = invoker.getParent(); 289 290 for (Container p = parent; p != null; p = p.getParent()) { 291 if (p instanceof JRootPane) { 292 if (p.getParent() instanceof JInternalFrame) continue; 293 parent = ((JRootPane)p).getLayeredPane(); 294 for (p = parent.getParent(); p != null && (!(p instanceof java.awt.Window)); p = p.getParent()); 295 break; 296 } 297 } 298 299 final Point p = SwingUtilities.convertPoint(invoker, desiredLocationX, desiredLocationY, parent); 300 setLocation(p.x, p.y); 301 if (parent instanceof JLayeredPane) { 302 ((JLayeredPane)parent).add(this, JLayeredPane.POPUP_LAYER, 0); 303 } 304 } 305 306 @SuppressWarnings("deprecation") 307 public void hide() { 308 final Container parent = getParent(); 309 final Rectangle r = this.getBounds(); 310 if (parent == null) return; 311 parent.remove(this); 312 parent.repaint(r.x, r.y, r.width, r.height); 313 } 314 } 315 }