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

   1 /*****************************************************************************
   2  * about.m: MacOS X About Panel
   3  *****************************************************************************
   4  * Copyright (C) 2001-2009 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Derk-Jan Hartman <thedj@users.sourceforge.net>
   8  *          Felix Paul Kühne <fkuehne -at- videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #import "intf.h"
  29 #import "about.h"
  30 #import <vlc_intf_strings.h>
  31 #import <vlc_about.h>
  32
  33 #ifdef __x86_64__
  34 #define PLATFORM "Intel 64bit"
  35 #elif __i386__
  36 #define PLATFORM "Intel 32bit"
  37 #else
  38 #define PLATFORM "PowerPC 32bit"
  39 #endif
  40
  41 /*****************************************************************************
  42  * VLAboutBox implementation
  43  *****************************************************************************/
  44 @implementation VLAboutBox
  45
  46 static VLAboutBox *_o_sharedInstance = nil;
  47
  48 + (VLAboutBox *)sharedInstance
  49 {
  50     return _o_sharedInstance ? _o_sharedInstance : [[self alloc] init];
  51 }
  52
  53 - (id)init
  54 {
  55     if (_o_sharedInstance) {
  56         [self dealloc];
  57     } else {
  58         _o_sharedInstance = [super init];
  59     }
  60
  61     return _o_sharedInstance;
  62 }
  63
  64 /*****************************************************************************
  65 * VLC About Window
  66 *****************************************************************************/
  67
  68 - (void)showAbout
  69 {
  70     if(! b_isSetUp )
  71     {
  72         /* we want to know when VLC wants to quit to prevent a crash while scrolling our credits */
  73         [[NSNotificationCenter defaultCenter] addObserver: self
  74                                                  selector: @selector(VLCWillTerminate)
  75                                                      name: NSApplicationWillTerminateNotification
  76                                                    object: nil];
  77
  78         /* Get the localized info dictionary (InfoPlist.strings) */
  79         NSDictionary *o_local_dict;
  80         o_local_dict = [[NSBundle mainBundle] localizedInfoDictionary];
  81
  82         /* Setup the copyright field */
  83         [o_copyright_field setStringValue: [o_local_dict objectForKey:@"NSHumanReadableCopyright"]];
  84
  85         /* Set the box title */
  86         [o_about_window setTitle: _NS("About VLC media player")];
  87
  88         /* setup the creator / revision field */
  89         [o_revision_field setStringValue:
  90             [NSString stringWithFormat: _NS("Compiled by %s"), VLC_CompileBy()]];
  91
  92         /* Setup the nameversion field */
  93         [o_name_version_field setStringValue: [NSString stringWithFormat:@"Version %s (%s)", VLC_Version(), PLATFORM]];
  94
  95         /* setup the authors and thanks field */
  96         [o_credits_textview setString: [NSString stringWithFormat: @"%@\n\n\n\n%@\n%@\n\n%@",
  97                                             _NS(INTF_ABOUT_MSG),
  98                                             _NS("VLC was brought to you by:"),
  99                                             [NSString stringWithUTF8String: psz_authors],
 100                                             [NSString stringWithUTF8String: psz_thanks]]];
 101
 102         /* Setup the window */
 103         [o_credits_textview setDrawsBackground: NO];
 104         [o_credits_scrollview setDrawsBackground: NO];
 105         [o_about_window setExcludedFromWindowsMenu:YES];
 106         [o_about_window setMenu:nil];
 107         [o_about_window center];
 108         [o_gpl_btn setTitle: _NS("License")];
 109
 110         b_isSetUp = YES;
 111     }
 112
 113     /* Show the window */
 114     b_restart = YES;
 115     [o_credits_textview scrollPoint:NSMakePoint( 0, 0 )];
 116     [o_about_window makeKeyAndOrderFront: nil];
 117 }
 118
 119 - (void)windowDidBecomeKey:(NSNotification *)notification
 120 {
 121     o_scroll_timer = [NSTimer scheduledTimerWithTimeInterval: 1/6
 122                                                       target:self
 123                                                     selector:@selector(scrollCredits:)
 124                                                     userInfo:nil
 125                                                      repeats:YES];
 126 }
 127
 128 - (void)windowDidResignKey:(NSNotification *)notification
 129 {
 130     [o_scroll_timer invalidate];
 131 }
 132
 133 - (void)scrollCredits:(NSTimer *)timer
 134 {
 135     if( b_restart )
 136     {
 137         /* Reset the starttime */
 138         i_start = [NSDate timeIntervalSinceReferenceDate] + 5.0;
 139         f_current = 0;
 140         f_end = [o_credits_textview bounds].size.height - [o_credits_scrollview bounds].size.height;
 141         b_restart = NO;
 142     }
 143
 144     if( [NSDate timeIntervalSinceReferenceDate] >= i_start )
 145     {
 146         /* Scroll to the position */
 147         [o_credits_textview scrollPoint:NSMakePoint( 0, f_current )];
 148
 149         /* Increment the scroll position */
 150         f_current += 0.005;
 151
 152         /* If at end, restart at the top */
 153         if( f_current >= f_end )
 154         {
 155             [o_credits_textview scrollPoint:NSMakePoint( 0, 0 )];
 156             b_restart = YES;
 157         }
 158     }
 159 }
 160
 161 - (void)VLCWillTerminate
 162 {
 163     [o_scroll_timer invalidate];
 164     [[NSNotificationCenter defaultCenter] removeObserver: self];
 165 }
 166
 167 /*****************************************************************************
 168 * VLC GPL Window, action called from the about window and the help menu
 169 *****************************************************************************/
 170
 171 - (IBAction)showGPL:(id)sender
 172 {
 173     [o_gpl_window setTitle: _NS("License")];
 174     [o_gpl_field setString: [NSString stringWithUTF8String: psz_license]];
 175
 176     [o_gpl_window center];
 177     [o_gpl_window makeKeyAndOrderFront: sender];
 178 }
 179
 180 /*****************************************************************************
 181 * VLC Generic Help Window
 182 *****************************************************************************/
 183
 184 - (void)showHelp
 185 {
 186     [o_help_window setTitle: _NS("VLC media player Help")];
 187     [o_help_fwd_btn setToolTip: _NS("Next")];
 188     [o_help_bwd_btn setToolTip: _NS("Previous")];
 189     [o_help_home_btn setToolTip: _NS("Index")];
 190
 191     [o_help_window makeKeyAndOrderFront: self];
 192
 193     [[o_help_web_view mainFrame] loadHTMLString: _NS(I_LONGHELP)
 194                                         baseURL: [NSURL URLWithString:@"http://videolan.org"]];
 195 }
 196
 197 - (IBAction)helpGoHome:(id)sender
 198 {
 199     [[o_help_web_view mainFrame] loadHTMLString: _NS(I_LONGHELP)
 200                                         baseURL: [NSURL URLWithString:@"http://videolan.org"]];
 201 }
 202
 203 - (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame
 204 {
 205     /* delegate to update button states (we're the frameLoadDelegate for our help's webview)« */
 206     [o_help_fwd_btn setEnabled: [o_help_web_view canGoForward]];
 207     [o_help_bwd_btn setEnabled: [o_help_web_view canGoBack]];
 208 }
 209
 210 @end