git.sesse.net Git - vlc/blob - modules/gui/macosx/about.m

   1 /*****************************************************************************
   2  * about.m: MacOS X About Panel
   3  *****************************************************************************
   4  * Copyright (C) 2001-2003 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Derk-Jan Hartman <thedj@users.sourceforge.net>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #include "intf.h"
  28 #include "about.h"
  29
  30 /*****************************************************************************
  31  * VLAboutBox implementation
  32  *****************************************************************************/
  33 @implementation VLAboutBox
  34
  35 static VLAboutBox *_o_sharedInstance = nil;
  36
  37 + (VLAboutBox *)sharedInstance
  38 {
  39     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  40 }
  41
  42 - (id)init
  43 {
  44     if (_o_sharedInstance) {
  45         [self dealloc];
  46     } else {
  47         _o_sharedInstance = [super init];
  48     }
  49
  50     return _o_sharedInstance;
  51 }
  52
  53 - (IBAction)showPanel:(id)sender
  54 {
  55     if (!o_credits_path)
  56     {
  57         NSString *o_name;
  58         NSString *o_version;
  59         NSString *o_thanks_path;
  60
  61         /* Get the info dictionary (Info.plist) */
  62         o_info_dict = [[NSBundle mainBundle] infoDictionary];
  63
  64         /* Get the localized info dictionary (InfoPlist.strings) */
  65         localInfoBundle = CFBundleGetMainBundle();
  66         o_local_dict = (NSDictionary *)
  67                         CFBundleGetLocalInfoDictionary( localInfoBundle );
  68
  69         /* Setup the name field */
  70         o_name = [o_local_dict objectForKey:@"CFBundleName"];
  71
  72         /* Set the about box title */
  73         [o_about_window setTitle:_NS("About VLC media player")];
  74
  75         /* Setup the version field */
  76         o_version = [o_info_dict objectForKey:@"CFBundleVersion"];
  77
  78         /* Setup the nameversion field */
  79         o_name_version = [NSString stringWithFormat:@"%@ - Version %@", o_name, o_version];
  80         [o_name_version_field setStringValue: o_name_version];
  81
  82         /* Setup our credits */
  83         o_credits_path = [[NSBundle mainBundle] pathForResource:@"AUTHORS" ofType:nil];
  84         o_credits = [[NSString alloc] initWithData: [NSData dataWithContentsOfFile: o_credits_path ] encoding:NSWindowsCP1252StringEncoding];
  85
  86         /* Parse the authors string */
  87         NSMutableString *o_outString = [NSMutableString stringWithFormat: @"%@\n\n", _NS(INTF_ABOUT_MSG)];
  88         NSScanner *o_scan_credits = [NSScanner scannerWithString: o_credits];
  89         NSCharacterSet *o_stopSet = [NSCharacterSet characterSetWithCharactersInString:@"\n\r"];
  90
  91         while( ![o_scan_credits isAtEnd] )
  92         {
  93             NSString *o_person;
  94             NSScanner *o_scan_person;
  95
  96             [o_scan_credits scanUpToString:@"N:" intoString: nil];
  97             [o_scan_credits scanString:@"N:" intoString: nil];
  98             [o_scan_credits scanUpToString:@"N:" intoString: &o_person];
  99             o_scan_person = [NSScanner scannerWithString: o_person];
 100
 101             NSString *o_name;
 102             NSString *o_email;
 103             NSMutableString *o_jobs = [NSMutableString string];
 104             NSString *o_next;
 105
 106             [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_name];
 107             [o_scan_person scanString:@"E:" intoString: nil];
 108             [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_email];
 109             [o_scan_person scanUpToString:@"D:" intoString: &o_next];
 110             [o_scan_person scanUpToString:@":" intoString: &o_next];
 111             [o_scan_person scanString:@":" intoString: nil];
 112
 113             while ( [o_next characterAtIndex:[o_next length] - 1] == 'D' )
 114             {
 115                 NSString *o_job;
 116                 [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_job ];
 117                 [o_jobs appendFormat: @"%@, ", o_job];
 118                 [o_scan_person scanUpToString:@":" intoString: &o_next];
 119                 [o_scan_person scanString:@":" intoString: nil];
 120             }
 121
 122             [o_outString appendFormat: @"%@ <%@>\n%@\n\n", o_name, o_email, o_jobs];
 123         }
 124
 125         /* Parse the thanks string */
 126         o_thanks_path = [[NSBundle mainBundle] pathForResource:@"THANKS" ofType:nil];
 127         o_thanks = [[NSString alloc] initWithData: [NSData dataWithContentsOfFile:
 128                         o_thanks_path ] encoding:NSWindowsCP1252StringEncoding];
 129
 130         NSScanner *o_scan_thanks = [NSScanner scannerWithString: o_thanks];
 131         [o_scan_thanks scanUpToCharactersFromSet: o_stopSet intoString: nil];
 132
 133         while( ![o_scan_thanks isAtEnd] )
 134         {
 135             NSString *o_person;
 136             NSString *o_job;
 137
 138             [o_scan_thanks scanUpToString:@" - " intoString: &o_person];
 139             [o_scan_thanks scanString:@" - " intoString: nil];
 140             [o_scan_thanks scanUpToCharactersFromSet: o_stopSet intoString: &o_job];
 141             [o_outString appendFormat: @"%@\n%@\n\n", o_person, o_job];
 142         }
 143         [o_credits_textview setString:o_outString];
 144
 145         /* Setup the copyright field */
 146         o_copyright = [o_local_dict objectForKey:@"NSHumanReadableCopyright"];
 147         [o_copyright_field setStringValue:o_copyright];
 148
 149         /* Setup the window */
 150         [o_credits_textview setDrawsBackground: NO];
 151         [o_credits_scrollview setDrawsBackground: NO];
 152         [o_about_window setExcludedFromWindowsMenu:YES];
 153         [o_about_window setMenu:nil];
 154         [o_about_window center];
 155     }
 156
 157     /* Show the window */
 158     b_restart = YES;
 159     [o_about_window makeKeyAndOrderFront:nil];
 160 }
 161
 162 - (void)windowDidBecomeKey:(NSNotification *)notification
 163 {
 164     o_scroll_timer = [NSTimer scheduledTimerWithTimeInterval:1/6
 165                            target:self
 166                            selector:@selector(scrollCredits:)
 167                            userInfo:nil
 168                            repeats:YES];
 169 }
 170
 171 - (void)windowDidResignKey:(NSNotification *)notification
 172 {
 173     [o_scroll_timer invalidate];
 174 }
 175
 176 - (void)scrollCredits:(NSTimer *)timer
 177 {
 178     if (b_restart)
 179     {
 180         /* Reset the starttime */
 181         i_start = [NSDate timeIntervalSinceReferenceDate] + 3.0;
 182         f_current = 0;
 183         f_end = [o_credits_textview bounds].size.height - [o_credits_scrollview bounds].size.height;
 184         b_restart = NO;
 185     }
 186
 187     if ([NSDate timeIntervalSinceReferenceDate] >= i_start)
 188     {
 189         /* Scroll to the position */
 190         [o_credits_textview scrollPoint:NSMakePoint( 0, f_current )];
 191
 192         /* Increment the scroll position */
 193         f_current += 0.005;
 194
 195         /* If at end, restart at the top */
 196         if ( f_current >= f_end )
 197         {
 198             b_restart = YES;
 199         }
 200     }
 201 }
 202
 203 @end