001 package com.croftsoft.apps.slideshow;
002
003 import java.awt.*;
004 import java.io.*;
005 import java.net.*;
006 import java.util.*;
007 import java.util.concurrent.*;
008 import java.util.logging.*;
009 import javax.imageio.ImageIO;
010
011 import com.croftsoft.core.CroftSoftConstants;
012 import com.croftsoft.core.math.MathConstants;
013
014 /*********************************************************************
015 * Configuration.
016 *
017 * Can be modified to be persistent.
018 *
019 * @version
020 * $Id: SlideshowConfig.java,v 1.4 2006/12/17 09:42:39 croft Exp $
021 * @since
022 * 2006-10-30
023 * @author
024 * <a href="https://www.croftsoft.com/">David Wallace Croft</a>
025 *********************************************************************/
026
027 public final class SlideshowConfig
028 //////////////////////////////////////////////////////////////////////
029 //////////////////////////////////////////////////////////////////////
030 {
031
032 private static final String CLASS_NAME
033 = SlideshowConfig.class.getName ( );
034
035 private static final String VERSION
036 = "$Date: 2006/12/17 09:42:39 $";
037
038 private static final String TITLE
039 = "CroftSoft Slideshow";
040
041 private static final String INFO
042 = TITLE + "\n"
043 + "Version " + VERSION + "\n"
044 + CroftSoftConstants.COPYRIGHT + "\n"
045 + CroftSoftConstants.DEFAULT_LICENSE + "\n"
046 + CroftSoftConstants.HOME_PAGE + "\n";
047
048 private static final int
049 FRAME_WIDTH = 600,
050 FRAME_HEIGHT = 400;
051
052 private static final double UPDATE_RATE = 1.0;
053
054 private static final String SHUTDOWN_CONFIRMATION_PROMPT = null;
055
056 private static final Font FONT
057 = new Font ( "Arioso", Font.BOLD, 20 );
058
059 private static final Color
060 BACKGROUND_COLOR = Color.BLACK,
061 FOREGROUND_COLOR = Color.GREEN;
062
063 //
064
065 private static final String
066 PROPERTY_SHOW = "show",
067 PROPERTY_SPEED = "speed";
068
069 private static final String [ ] PROPERTY_SHOW_VALUES = {
070 "off",
071 "on" };
072
073 private static final String [ ] PROPERTY_SPEED_VALUES = {
074 "slow",
075 "medium",
076 "fast" };
077
078 private static final int [ ] DISPLAY_TIMES = {
079 600,
080 60,
081 6 };
082
083 private static final boolean [ ] SHOW_VALUES = {
084 false,
085 true };
086
087 private static final long DEFAULT_DISPLAY_TIME_NANOS
088 = DISPLAY_TIMES [ 1 ] * MathConstants.NANOSECONDS_PER_SECOND;
089
090 private static final boolean DEFAULT_SHOW
091 = false;
092
093 //
094
095 private final Logger logger;
096
097 private final Map<String, Integer> speedMap;
098
099 private final Map<String, Boolean> showMap;
100
101 //
102
103 private boolean displayImageFilename;
104
105 private String [ ] imageFilenames;
106
107 private long displayTimeNanos;
108
109 //////////////////////////////////////////////////////////////////////
110 //////////////////////////////////////////////////////////////////////
111
112 public static SlideshowConfig load ( String [ ] args )
113 //////////////////////////////////////////////////////////////////////
114 {
115 // Could load from a persistent XML file.
116
117 return new SlideshowConfig ( );
118 }
119
120 //////////////////////////////////////////////////////////////////////
121 //////////////////////////////////////////////////////////////////////
122
123 public SlideshowConfig ( )
124 //////////////////////////////////////////////////////////////////////
125 {
126 logger = Logger.getLogger ( CLASS_NAME );
127
128 speedMap = new HashMap<String, Integer> ( );
129
130 showMap = new HashMap<String, Boolean> ( );
131
132 for ( int i = 0; i < PROPERTY_SPEED_VALUES.length; i++ )
133 {
134 speedMap.put (
135 PROPERTY_SPEED_VALUES [ i ],
136 new Integer ( DISPLAY_TIMES [ i ] ) );
137 }
138
139 displayTimeNanos = DEFAULT_DISPLAY_TIME_NANOS;
140
141 for ( int i = 0; i < PROPERTY_SHOW_VALUES.length; i++ )
142 {
143 showMap.put (
144 PROPERTY_SHOW_VALUES [ i ],
145 new Boolean ( SHOW_VALUES [ i ] ) );
146 }
147
148 displayImageFilename = DEFAULT_SHOW;
149 /*
150 final Integer displayTimeInteger
151 = ( Integer ) getPropertyValue ( PROPERTY_SPEED, speedMap );
152
153 if ( displayTimeInteger != null )
154 {
155 displayTimeNanos = displayTimeInteger.intValue ( )
156 * MathConstants.NANOSECONDS_PER_SECOND;
157 }
158
159 final Boolean showBoolean
160 = ( Boolean ) getPropertyValue ( PROPERTY_SHOW, showMap );
161
162 if ( showBoolean != null )
163 {
164 displayImageFilename = showBoolean.booleanValue ( );
165 }
166 */
167 final Executor executor = Executors.newSingleThreadExecutor ( );
168
169 executor.execute (
170 new Runnable ( )
171 {
172 public void run ( )
173 {
174 imageFilenames = loadImageFilenames ( );
175 }
176 } );
177 }
178
179 //////////////////////////////////////////////////////////////////////
180 //////////////////////////////////////////////////////////////////////
181
182 public Color getBackgroundColor ( ) { return BACKGROUND_COLOR; }
183
184 public Color getForegroundColor ( ) { return FOREGROUND_COLOR; }
185
186 public String getInfo ( ) { return INFO; }
187
188 public Font getFont ( ) { return FONT; }
189
190 public Dimension getFrameSize ( )
191 { return new Dimension ( FRAME_WIDTH, FRAME_HEIGHT ); }
192
193 public String getFrameTitle ( ) { return TITLE; }
194
195 public String getShutdownConfirmationPrompt ( )
196 { return SHUTDOWN_CONFIRMATION_PROMPT; }
197
198 public String getThreadName ( ) { return TITLE; }
199
200 public double getUpdateRate ( ) { return UPDATE_RATE; }
201
202 public String [ ] getImageFilenames ( ) { return imageFilenames; }
203
204 public long getDisplayTimeNanos ( ) { return displayTimeNanos; }
205
206 public boolean getDisplayImageFilename ( )
207 { return displayImageFilename; }
208
209 //////////////////////////////////////////////////////////////////////
210 // private methods
211 //////////////////////////////////////////////////////////////////////
212
213 private static void initLoggingToFiles ( final Logger logger )
214 //////////////////////////////////////////////////////////////////////
215 {
216 try
217 {
218 final String userHome = System.getProperty ( "user.home" );
219
220 if ( userHome == null )
221 {
222 return;
223 }
224
225 final File homeDirectory = new File ( userHome );
226
227 if ( !homeDirectory.exists ( )
228 || !homeDirectory.isDirectory ( ) )
229 {
230 return;
231 }
232
233 final File logDirectory
234 = new File ( homeDirectory, ".croftsoft/savor" );
235
236 logDirectory.mkdirs ( );
237
238 final FileHandler fileHandler = new FileHandler (
239 "%h/.croftsoft/savor/savor%g.log",
240 10000,
241 2,
242 false );
243
244 logger.addHandler ( fileHandler );
245 }
246 catch ( final Exception ex )
247 {
248 ex.printStackTrace ( );
249 }
250 }
251
252 private static String [ ] loadImageFilenames ( )
253 //////////////////////////////////////////////////////////////////////
254 {
255 try
256 {
257 final String [ ] suffixes = ImageIO.getReaderFileSuffixes ( );
258
259 final String userHome = System.getProperty ( "user.home" );
260
261 if ( userHome == null )
262 {
263 return null;
264 }
265
266 final File homeDirectory = new File ( userHome );
267
268 if ( !homeDirectory.exists ( )
269 || !homeDirectory.isDirectory ( ) )
270 {
271 return null;
272 }
273
274 File picturesDirectory
275 = new File ( homeDirectory, "My Documents/My Pictures" );
276
277 if ( !picturesDirectory.exists ( )
278 || !picturesDirectory.isDirectory ( ) )
279 {
280 picturesDirectory = homeDirectory;
281 }
282
283 final Set<String> imageFilenameSet = new HashSet<String> ( );
284
285 final Stack<File> directoryStack = new Stack<File> ( );
286
287 directoryStack.add ( picturesDirectory );
288
289 File directory = null;
290
291 while ( !directoryStack.isEmpty ( ) )
292 {
293 directory = directoryStack.pop ( );
294
295 final String [ ] list = directory.list ( );
296
297 for ( String filename : list )
298 {
299 final File file = new File ( directory, filename );
300
301 if ( file.isDirectory ( ) )
302 {
303 directoryStack.add ( file );
304
305 continue;
306 }
307
308 filename = filename.toLowerCase ( );
309
310 for ( final String suffix : suffixes )
311 {
312 if ( filename.endsWith ( "." + suffix ) )
313 {
314 filename = file.getCanonicalPath ( );
315
316 imageFilenameSet.add ( filename );
317
318 break;
319 }
320 }
321 }
322 }
323
324 return imageFilenameSet.toArray ( new String [ 0 ] );
325 }
326 catch ( final Exception ex )
327 {
328 ex.printStackTrace ( );
329 }
330
331 return null;
332 }
333 /*
334 private Object getPropertyValue (
335 final String propertyName,
336 final Map propertyMap )
337 //////////////////////////////////////////////////////////////////////
338 {
339 final ScreensaverContext screensaverContext = getContext ( );
340
341 final ScreensaverSettings screensaverSettings
342 = screensaverContext.getSettings ( );
343
344 String propertyValue
345 = screensaverSettings.getProperty ( propertyName );
346
347 if ( propertyValue == null )
348 {
349 return null;
350 }
351
352 propertyValue = propertyValue.trim ( ).toLowerCase ( );
353
354 return propertyMap.get ( propertyValue );
355 }
356 */
357 //////////////////////////////////////////////////////////////////////
358 //////////////////////////////////////////////////////////////////////
359 }