+/*****************************************************************************
+ * about.m: MacOS X About Panel
+ *****************************************************************************
+ * Copyright (C) 2001-2003 VideoLAN
+ * $Id: about.m,v 1.1 2003/04/09 20:53:28 hartman Exp $
+ *
+ * Authors: Derk-Jan Hartman <thedj@users.sourceforge.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include "intf.h"
+#include "about.h"
+
+/*****************************************************************************
+ * VLAboutBox implementation
+ *****************************************************************************/
+@implementation VLAboutBox
+
+static VLAboutBox *_o_sharedInstance = nil;
+
++ (VLAboutBox *)sharedInstance
+{
+ return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
+}
+
+- (id)init
+{
+ if (_o_sharedInstance) {
+ [self dealloc];
+ } else {
+ _o_sharedInstance = [super init];
+ }
+
+ return _o_sharedInstance;
+}
+
+- (IBAction)showPanel:(id)sender
+{
+ if (!o_credits_path)
+ {
+ NSString *o_name;
+ NSString *o_version;
+
+ // Get the info dictionary (Info.plist)
+ o_info_dict = [[NSBundle mainBundle] infoDictionary];
+
+ // Get the localized info dictionary (InfoPlist.strings)
+ localInfoBundle = CFBundleGetMainBundle();
+ o_local_dict = (NSDictionary *)
+ CFBundleGetLocalInfoDictionary( localInfoBundle );
+
+ // Setup the app name field
+ o_name = [o_local_dict objectForKey:@"CFBundleName"];
+
+ // Set the about box window title
+ [o_about_window setTitle:_NS("About VLC media player")];
+
+ // Setup the version field
+ o_version = [o_info_dict objectForKey:@"CFBundleVersion"];
+
+ // Setup the appnameversion field
+ o_name_version = [NSString stringWithFormat:@"%@ - Version %@", o_name, o_version];
+ [o_name_version_field setStringValue: o_name_version];
+
+ // Setup our credits
+ o_credits_path = [[NSBundle mainBundle] pathForResource:@"AUTHORS" ofType:nil];
+ o_credits = [NSString stringWithContentsOfFile: o_credits_path ];
+
+ // Parse the string
+ NSMutableString *o_outString = [NSMutableString string];
+ NSScanner *o_scan_credits = [NSScanner scannerWithString: o_credits];
+ NSCharacterSet *o_stopSet = [NSCharacterSet characterSetWithCharactersInString:@"\n\r"];
+
+ while( ![o_scan_credits isAtEnd] )
+ {
+ NSString *o_person;
+ NSScanner *o_scan_person;
+
+ [o_scan_credits scanUpToString:@"N:" intoString: nil];
+ [o_scan_credits scanString:@"N:" intoString: nil];
+ [o_scan_credits scanUpToString:@"N:" intoString: &o_person];
+ o_scan_person = [NSScanner scannerWithString: o_person];
+
+ NSString *o_name;
+ NSString *o_email;
+ NSMutableString *o_jobs = [NSMutableString string];
+ NSString *o_next;
+
+ [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_name];
+ [o_scan_person scanString:@"E:" intoString: nil];
+ [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_email];
+ [o_scan_person scanUpToString:@"D:" intoString: &o_next];
+ [o_scan_person scanUpToString:@":" intoString: &o_next];
+ [o_scan_person scanString:@":" intoString: nil];
+
+ while ( [o_next characterAtIndex:[o_next length] - 1] == 'D' )
+ {
+ NSString *o_job;
+ [o_scan_person scanUpToCharactersFromSet: o_stopSet intoString: &o_job ];
+ [o_jobs appendFormat: @"%@, ", o_job];
+ [o_scan_person scanUpToString:@":" intoString: &o_next];
+ [o_scan_person scanString:@":" intoString: nil];
+ }
+
+ [o_outString appendFormat: @"%@ <%@>\n%@\n\n", o_name, o_email, o_jobs];
+ [o_credits_textview setString:o_outString];
+ }
+
+ // Setup the copyright field
+ o_copyright = [o_local_dict objectForKey:@"NSHumanReadableCopyright"];
+ [o_copyright_field setStringValue:o_copyright];
+
+ // Setup the window
+ [o_credits_textview setDrawsBackground: NO];
+ [o_credits_scrollview setDrawsBackground: NO];
+ [o_about_window setExcludedFromWindowsMenu:YES];
+ [o_about_window setMenu:nil];
+ [o_about_window center];
+ }
+
+ // Show the window
+ b_restart = YES;
+ [o_about_window makeKeyAndOrderFront:nil];
+}
+
+- (void)windowDidBecomeKey:(NSNotification *)notification
+{
+ o_scroll_timer = [NSTimer scheduledTimerWithTimeInterval:1/6
+ target:self
+ selector:@selector(scrollCredits:)
+ userInfo:nil
+ repeats:YES];
+}
+
+- (void)windowDidResignKey:(NSNotification *)notification
+{
+ [o_scroll_timer invalidate];
+}
+
+- (void)scrollCredits:(NSTimer *)timer
+{
+ if (b_restart)
+ {
+ // Reset the startTime
+ i_start = [NSDate timeIntervalSinceReferenceDate] + 3.0;
+ f_current = 0;
+ b_restart = NO;
+ }
+
+ if ([NSDate timeIntervalSinceReferenceDate] >= i_start)
+ {
+ // Scroll to the position
+ [o_credits_textview scrollPoint:NSMakePoint( 0, f_current )];
+
+ // Increment the scroll position
+ f_current += 0.005;
+ }
+}
+
+@end