| 1 | // Jomic - a viewer for comic book archives. |
| 2 | // Copyright (C) 2004-2008 Thomas Aglassinger |
| 3 | // |
| 4 | // This program is free software: you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation, either version 3 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | package net.sf.jomic.ui; |
| 17 | |
| 18 | import java.awt.BorderLayout; |
| 19 | import java.awt.Dimension; |
| 20 | import java.awt.GridBagConstraints; |
| 21 | import java.awt.GridBagLayout; |
| 22 | import java.awt.event.ActionEvent; |
| 23 | import java.awt.event.ActionListener; |
| 24 | import java.awt.event.WindowEvent; |
| 25 | import java.awt.event.WindowListener; |
| 26 | |
| 27 | import javax.media.jai.JAI; |
| 28 | import javax.swing.BorderFactory; |
| 29 | import javax.swing.JFrame; |
| 30 | import javax.swing.JLabel; |
| 31 | import javax.swing.JPanel; |
| 32 | import javax.swing.JScrollPane; |
| 33 | import javax.swing.JTable; |
| 34 | import javax.swing.Timer; |
| 35 | |
| 36 | import net.sf.jomic.comic.ComicCache; |
| 37 | import net.sf.jomic.common.JomicTools; |
| 38 | import net.sf.jomic.tools.ArchiveCache; |
| 39 | import net.sf.jomic.tools.CacheInfo; |
| 40 | import net.sf.jomic.tools.LocaleTools; |
| 41 | import net.sf.jomic.tools.SystemTools; |
| 42 | import net.sf.jomic.tools.UiTools; |
| 43 | |
| 44 | /** |
| 45 | * Frame to show information about environment, relevant version numbers, and supported image |
| 46 | * formats. |
| 47 | * |
| 48 | * @author Thomas Aglassinger |
| 49 | */ |
| 50 | public class SystemInfoFrame extends JFrame implements ActionListener, WindowListener |
| 51 | { |
| 52 | private static final int INSET = 4; |
| 53 | private static final String KEY_ARCHIVE_CACHE = "dialogs.systemInformation.archiveCache"; |
| 54 | private static final String KEY_IMAGE_CACHE = "dialogs.systemInformation.imageCache"; |
| 55 | private static final String KEY_MEMORY = "dialogs.systemInformation.memory"; |
| 56 | private static final String KEY_THUMB_CACHE = "dialogs.systemInformation.thumbCache"; |
| 57 | private static final int MEMORY_INFO_REFRESH_DELAY = 1000; |
| 58 | private static final int PREFERRED_TABLE_HEIGHT = 150; |
| 59 | private static final int PREFERRED_TABLE_WIDTH = 500; |
| 60 | private JLabel archiveCacheInfoLabel; |
| 61 | private JLabel imageCacheInfoLabel; |
| 62 | private JomicTools jomicTools; |
| 63 | private LocaleTools localeTools; |
| 64 | private JLabel memoryInfoLabel; |
| 65 | private Timer memoryInfoUpdateTimer; |
| 66 | private SystemTools systemTools; |
| 67 | private JLabel thumbCacheInfoLabel; |
| 68 | private UiTools uiTools; |
| 69 | |
| 70 | public SystemInfoFrame() { |
| 71 | jomicTools = JomicTools.instance(); |
| 72 | localeTools = LocaleTools.instance(); |
| 73 | systemTools = SystemTools.instance(); |
| 74 | uiTools = UiTools.instance(); |
| 75 | memoryInfoUpdateTimer = new Timer(MEMORY_INFO_REFRESH_DELAY, this); |
| 76 | memoryInfoUpdateTimer.setInitialDelay(0); |
| 77 | |
| 78 | setTitle(localeTools.getMessage("dialogs.systemInformation.title")); |
| 79 | getContentPane().add(createUI()); |
| 80 | jomicTools.setIconToJomicLogo(this); |
| 81 | addWindowListener(this); |
| 82 | } |
| 83 | |
| 84 | public void setVisible(boolean isVisible) { |
| 85 | if (isVisible) { |
| 86 | updateMemoryStatus(); |
| 87 | } |
| 88 | super.setVisible(isVisible); |
| 89 | } |
| 90 | |
| 91 | private String getCacheDescription(CacheInfo usage) { |
| 92 | return getCacheDescription(usage.getUsedSize(), usage.getMaxSize(), usage.getEntryCount()); |
| 93 | } |
| 94 | |
| 95 | private String getCacheDescription(long bytesUsed, long bytesAvailable, int entriesUsed) { |
| 96 | String memoryUsed = localeTools.asByteText(bytesUsed); |
| 97 | String memoryAvailable = localeTools.asByteText(bytesAvailable); |
| 98 | String result = localeTools.getMessage( |
| 99 | "dialogs.systemInformation.xOfYUsedByZEntries", |
| 100 | new Object[]{memoryUsed, memoryAvailable, new Integer(entriesUsed)}); |
| 101 | |
| 102 | return result; |
| 103 | } |
| 104 | |
| 105 | public void actionPerformed(ActionEvent event) { |
| 106 | updateMemoryStatus(); |
| 107 | } |
| 108 | |
| 109 | public void windowActivated(WindowEvent event) { |
| 110 | // Do nothing. |
| 111 | } |
| 112 | |
| 113 | public void windowClosed(WindowEvent event) { |
| 114 | // Do nothing. |
| 115 | } |
| 116 | |
| 117 | public void windowClosing(WindowEvent event) { |
| 118 | memoryInfoUpdateTimer.stop(); |
| 119 | } |
| 120 | |
| 121 | public void windowDeactivated(WindowEvent event) { |
| 122 | // Do nothing. |
| 123 | } |
| 124 | |
| 125 | public void windowDeiconified(WindowEvent event) { |
| 126 | memoryInfoUpdateTimer.restart(); |
| 127 | } |
| 128 | |
| 129 | public void windowIconified(WindowEvent event) { |
| 130 | memoryInfoUpdateTimer.stop(); |
| 131 | } |
| 132 | |
| 133 | public void windowOpened(WindowEvent event) { |
| 134 | memoryInfoUpdateTimer.restart(); |
| 135 | } |
| 136 | |
| 137 | private JPanel createImageFormatPanel() { |
| 138 | JPanel result = new JPanel(); |
| 139 | |
| 140 | result.setLayout(new BorderLayout()); |
| 141 | |
| 142 | JTable formatTable = new JTable(new ImageFormatTableModel()); |
| 143 | |
| 144 | uiTools.initColumnWidths(formatTable); |
| 145 | // TODO: compute dimension depending on data |
| 146 | formatTable.setPreferredScrollableViewportSize( |
| 147 | new Dimension(PREFERRED_TABLE_WIDTH, PREFERRED_TABLE_HEIGHT)); |
| 148 | result.add(new JLabel( |
| 149 | localeTools.getMessage("dialogs.systemInformation.supportedImageFormats")), |
| 150 | BorderLayout.NORTH); |
| 151 | result.add(new JScrollPane(formatTable), BorderLayout.CENTER); |
| 152 | return result; |
| 153 | } |
| 154 | |
| 155 | private JPanel createPlatformInfoPanel() { |
| 156 | JPanel result = new JPanel(); |
| 157 | String platform = systemTools.getPlatformInfo(); |
| 158 | String language = systemTools.getLocaleInfo(); |
| 159 | String javaVersion = systemTools.getJavaInfo(); |
| 160 | String jaiVersion = JAI.getBuildVersion(); |
| 161 | |
| 162 | String[] keyValues = new String[]{ |
| 163 | "dialogs.systemInformation.platform", platform, |
| 164 | "dialogs.systemInformation.language", language, |
| 165 | "dialogs.systemInformation.javaVersion", javaVersion, |
| 166 | "dialogs.systemInformation.jaiVersion", jaiVersion, |
| 167 | KEY_MEMORY, "", |
| 168 | KEY_IMAGE_CACHE, "", |
| 169 | KEY_THUMB_CACHE, "", |
| 170 | KEY_ARCHIVE_CACHE, "" |
| 171 | }; |
| 172 | GridBagConstraints constraints = new GridBagConstraints(); |
| 173 | |
| 174 | constraints.anchor = GridBagConstraints.LINE_START; |
| 175 | result.setLayout(new GridBagLayout()); |
| 176 | for (int i = 0; i < keyValues.length; i += 2) { |
| 177 | String key = keyValues[i]; |
| 178 | String value = keyValues[i + 1]; |
| 179 | String message = localeTools.getMessage(key); |
| 180 | |
| 181 | constraints.gridx = 0; |
| 182 | constraints.gridy = i / 2; |
| 183 | result.add(new JLabel(message), constraints); |
| 184 | constraints.gridx += 1; |
| 185 | |
| 186 | JLabel infoLabel = new JLabel(value); |
| 187 | |
| 188 | result.add(infoLabel, constraints); |
| 189 | if (key.equals(KEY_ARCHIVE_CACHE)) { |
| 190 | archiveCacheInfoLabel = infoLabel; |
| 191 | } else if (key.equals(KEY_IMAGE_CACHE)) { |
| 192 | imageCacheInfoLabel = infoLabel; |
| 193 | } else if (key.equals(KEY_MEMORY)) { |
| 194 | memoryInfoLabel = infoLabel; |
| 195 | } else if (key.equals(KEY_THUMB_CACHE)) { |
| 196 | thumbCacheInfoLabel = infoLabel; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | return result; |
| 201 | } |
| 202 | |
| 203 | private JPanel createUI() { |
| 204 | JPanel result = new JPanel(); |
| 205 | |
| 206 | result.setLayout(new BorderLayout()); |
| 207 | |
| 208 | JPanel platformInfoPane = createPlatformInfoPanel(); |
| 209 | JPanel imageFormatPane = createImageFormatPanel(); |
| 210 | |
| 211 | platformInfoPane.setBorder(BorderFactory.createEmptyBorder(2 * INSET, 2 * INSET, INSET, 2 * INSET)); |
| 212 | imageFormatPane.setBorder(BorderFactory.createEmptyBorder(INSET, 2 * INSET, INSET, 2 * INSET)); |
| 213 | result.add(platformInfoPane, BorderLayout.NORTH); |
| 214 | result.add(imageFormatPane, BorderLayout.CENTER); |
| 215 | return result; |
| 216 | } |
| 217 | |
| 218 | private void updateMemoryStatus() { |
| 219 | assert archiveCacheInfoLabel != null; |
| 220 | assert imageCacheInfoLabel != null; |
| 221 | assert memoryInfoLabel != null; |
| 222 | assert thumbCacheInfoLabel != null; |
| 223 | |
| 224 | ComicCache cache = ComicCache.instance(); |
| 225 | long freeMemory = Runtime.getRuntime().freeMemory(); |
| 226 | long availableMemory = Runtime.getRuntime().maxMemory(); |
| 227 | long usedMemory = availableMemory - freeMemory; |
| 228 | Object[] options = new Object[]{localeTools.asByteText(usedMemory), localeTools.asByteText(availableMemory)}; |
| 229 | String memoryStatus = localeTools.getMessage( |
| 230 | "dialogs.systemInformation.xOfYUsed", options); |
| 231 | ArchiveCache archiveCache = cache.getArchiveCache(); |
| 232 | |
| 233 | memoryInfoLabel.setText(memoryStatus); |
| 234 | imageCacheInfoLabel.setText(getCacheDescription(cache.getImageCache())); |
| 235 | thumbCacheInfoLabel.setText(getCacheDescription(cache.getThumbCache())); |
| 236 | archiveCacheInfoLabel.setText(getCacheDescription(archiveCache)); |
| 237 | } |
| 238 | } |