reader/GuiReader.java

   1 package be.nikiroo.fanfix.reader;
   2
   3 import java.awt.Desktop;
   4 import java.awt.EventQueue;
   5 import java.io.File;
   6 import java.io.IOException;
   7 import java.net.URISyntaxException;
   8
   9 import javax.swing.JEditorPane;
  10 import javax.swing.JLabel;
  11 import javax.swing.JOptionPane;
  12 import javax.swing.event.HyperlinkEvent;
  13 import javax.swing.event.HyperlinkListener;
  14
  15 import be.nikiroo.fanfix.Instance;
  16 import be.nikiroo.fanfix.VersionCheck;
  17 import be.nikiroo.fanfix.data.MetaData;
  18 import be.nikiroo.fanfix.data.Story;
  19 import be.nikiroo.fanfix.library.BasicLibrary;
  20 import be.nikiroo.fanfix.library.CacheLibrary;
  21 import be.nikiroo.fanfix.library.LocalLibrary;
  22 import be.nikiroo.utils.Progress;
  23 import be.nikiroo.utils.Version;
  24 import be.nikiroo.utils.ui.UIUtils;
  25
  26 class GuiReader extends BasicReader {
  27         static private boolean nativeLookLoaded;
  28
  29         private CacheLibrary cacheLib;
  30
  31         private File cacheDir;
  32
  33         public GuiReader() throws IOException {
  34                 if (!nativeLookLoaded) {
  35                         UIUtils.setLookAndFeel();
  36                         nativeLookLoaded = true;
  37                 }
  38
  39                 cacheDir = Instance.getReaderDir();
  40                 cacheDir.mkdirs();
  41                 if (!cacheDir.exists()) {
  42                         throw new IOException(
  43                                         "Cannote create cache directory for local reader: "
  44                                                         + cacheDir);
  45                 }
  46         }
  47
  48         @Override
  49         public synchronized BasicLibrary getLibrary() {
  50                 if (cacheLib == null) {
  51                         BasicLibrary lib = super.getLibrary();
  52                         if (lib instanceof CacheLibrary) {
  53                                 cacheLib = (CacheLibrary) lib;
  54                         } else {
  55                                 cacheLib = new CacheLibrary(cacheDir, lib);
  56                         }
  57                 }
  58
  59                 return cacheLib;
  60         }
  61
  62         @Override
  63         public void read() throws IOException {
  64                 MetaData meta = getMeta();
  65
  66                 if (meta == null) {
  67                         throw new IOException("No story to read");
  68                 }
  69
  70                 read(meta.getLuid(), null);
  71         }
  72
  73         /**
  74          * Check if the {@link Story} denoted by this Library UID is present in the
  75          * {@link GuiReader} cache.
  76          *
  77          * @param luid
  78          *            the Library UID
  79          *
  80          * @return TRUE if it is
  81          */
  82         public boolean isCached(String luid) {
  83                 return cacheLib.isCached(luid);
  84         }
  85
  86         @Override
  87         public void browse(String type) {
  88                 // TODO: improve presentation of update message
  89                 final VersionCheck updates = VersionCheck.check();
  90                 StringBuilder builder = new StringBuilder();
  91
  92                 final JEditorPane updateMessage = new JEditorPane("text/html", "");
  93                 if (updates.isNewVersionAvailable()) {
  94                         builder.append("A new version of the program is available at <span style='color: blue;'>https://github.com/nikiroo/fanfix/releases</span>");
  95                         builder.append("<br>");
  96                         builder.append("<br>");
  97                         for (Version v : updates.getNewer()) {
  98                                 builder.append("\t<b>Version " + v + "</b>");
  99                                 builder.append("<br>");
 100                                 builder.append("<ul>");
 101                                 for (String item : updates.getChanges().get(v)) {
 102                                         builder.append("<li>" + item + "</li>");
 103                                 }
 104                                 builder.append("</ul>");
 105                         }
 106
 107                         // html content
 108                         updateMessage.setText("<html><body>" //
 109                                         + builder//
 110                                         + "</body></html>");
 111
 112                         // handle link events
 113                         updateMessage.addHyperlinkListener(new HyperlinkListener() {
 114                                 @Override
 115                                 public void hyperlinkUpdate(HyperlinkEvent e) {
 116                                         if (e.getEventType().equals(
 117                                                         HyperlinkEvent.EventType.ACTIVATED))
 118                                                 try {
 119                                                         Desktop.getDesktop().browse(e.getURL().toURI());
 120                                                 } catch (IOException ee) {
 121                                                         Instance.syserr(ee);
 122                                                 } catch (URISyntaxException ee) {
 123                                                         Instance.syserr(ee);
 124                                                 }
 125                                 }
 126                         });
 127                         updateMessage.setEditable(false);
 128                         updateMessage.setBackground(new JLabel().getBackground());
 129                 }
 130
 131                 final String typeFinal = type;
 132                 EventQueue.invokeLater(new Runnable() {
 133                         @Override
 134                         public void run() {
 135                                 if (updates.isNewVersionAvailable()) {
 136                                         int rep = JOptionPane.showConfirmDialog(null,
 137                                                         updateMessage, "Updates available",
 138                                                         JOptionPane.OK_CANCEL_OPTION);
 139                                         if (rep == JOptionPane.OK_OPTION) {
 140                                                 updates.ok();
 141                                         } else {
 142                                                 updates.ignore();
 143                                         }
 144                                 }
 145
 146                                 new GuiReaderFrame(GuiReader.this, typeFinal).setVisible(true);
 147                         }
 148                 });
 149         }
 150
 151         // delete from local reader library
 152         void clearLocalReaderCache(String luid) {
 153                 try {
 154                         cacheLib.clearFromCache(luid);
 155                 } catch (IOException e) {
 156                         Instance.syserr(e);
 157                 }
 158         }
 159
 160         // delete from main library
 161         void delete(String luid) {
 162                 try {
 163                         cacheLib.delete(luid);
 164                 } catch (IOException e) {
 165                         Instance.syserr(e);
 166                 }
 167         }
 168
 169         // open the given book
 170         void read(String luid, Progress pg) throws IOException {
 171                 File file = cacheLib.getFile(luid, pg);
 172
 173                 // TODO: show a special page for the chapter?
 174                 openExternal(getLibrary().getInfo(luid), file);
 175         }
 176
 177         void changeType(String luid, String newSource) {
 178                 try {
 179                         cacheLib.changeSource(luid, newSource, null);
 180                 } catch (IOException e) {
 181                         Instance.syserr(e);
 182                 }
 183         }
 184 }