9ad77b9ad77fa0bc757d5897dd103669ef3841d6
[vlc.git] / modules / gui / macosx / about.m
1 /*****************************************************************************
2  * about.m: MacOS X About Panel
3  *****************************************************************************
4  * Copyright (C) 2001-2007 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"
35 #elif __i386__
36 #define PLATFORM "Intel"
37 #else
38 #define PLATFORM "PowerPC"
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         if( VLC_Changeset() != "exported" )
90             [o_revision_field setStringValue:
91                 [NSString stringWithFormat: _NS("Compiled by %s, based on Git commit %s"),
92                     VLC_CompileBy(), VLC_Changeset()]];
93         else
94             [o_revision_field setStringValue: 
95                 [NSString stringWithFormat: _NS("Compiled by %s"), VLC_CompileBy()]];
96  
97         /* Setup the nameversion field */
98         [o_name_version_field setStringValue: [NSString stringWithFormat:@"Version %s (%s)", VLC_Version(), PLATFORM]];
99
100         /* setup the authors and thanks field */
101         [o_credits_textview setString: [NSString stringWithFormat: @"%@\n\n\n\n%@\n%@\n\n%@", 
102                                             _NS(INTF_ABOUT_MSG), 
103                                             _NS("VLC was brought to you by:"),
104                                             [NSString stringWithUTF8String: psz_authors], 
105                                             [NSString stringWithUTF8String: psz_thanks]]];
106
107         /* Setup the window */
108         [o_credits_textview setDrawsBackground: NO];
109         [o_credits_scrollview setDrawsBackground: NO];
110         [o_about_window setExcludedFromWindowsMenu:YES];
111         [o_about_window setMenu:nil];
112         [o_about_window center];
113         [o_gpl_btn setTitle: _NS("License")];
114         
115         b_isSetUp = YES;
116     }
117  
118     /* Show the window */
119     b_restart = YES;
120     [o_about_window makeKeyAndOrderFront: nil];
121 }
122
123 - (void)windowDidBecomeKey:(NSNotification *)notification
124 {
125     o_scroll_timer = [NSTimer scheduledTimerWithTimeInterval: 1/6
126                                                       target:self
127                                                     selector:@selector(scrollCredits:)
128                                                     userInfo:nil
129                                                      repeats:YES];
130 }
131
132 - (void)windowDidResignKey:(NSNotification *)notification
133 {
134     [o_scroll_timer invalidate];
135 }
136
137 - (void)scrollCredits:(NSTimer *)timer
138 {
139     if( b_restart )
140     {
141         /* Reset the starttime */
142         i_start = [NSDate timeIntervalSinceReferenceDate] + 3.0;
143         f_current = 0;
144         f_end = [o_credits_textview bounds].size.height - [o_credits_scrollview bounds].size.height;
145         b_restart = NO;
146     }
147
148     if( [NSDate timeIntervalSinceReferenceDate] >= i_start )
149     {
150         /* Scroll to the position */
151         [o_credits_textview scrollPoint:NSMakePoint( 0, f_current )];
152  
153         /* Increment the scroll position */
154         f_current += 0.005;
155  
156         /* If at end, restart at the top */
157         if( f_current >= f_end )
158         {
159             b_restart = YES;
160         }
161     }
162 }
163
164 - (void)VLCWillTerminate
165 {
166     [o_scroll_timer invalidate];
167     [[NSNotificationCenter defaultCenter] removeObserver: self];
168 }
169
170 /*****************************************************************************
171 * VLC GPL Window, action called from the about window and the help menu
172 *****************************************************************************/
173
174 - (IBAction)showGPL:(id)sender
175 {
176     [o_gpl_window setTitle: _NS("License")];
177     [o_gpl_field setString: [NSString stringWithUTF8String: psz_license]];
178     
179     [o_gpl_window center];
180     [o_gpl_window makeKeyAndOrderFront: sender];
181 }
182
183 /*****************************************************************************
184 * VLC Generic Help Window
185 *****************************************************************************/
186
187 - (void)showHelp
188 {
189     [o_help_window setTitle: _NS("VLC media player Help")];
190     [o_help_fwd_btn setToolTip: _NS("Next")];
191     [o_help_bwd_btn setToolTip: _NS("Previous")];
192     [o_help_home_btn setToolTip: _NS("Index")];
193
194     [o_help_window makeKeyAndOrderFront: self];
195     
196     [[o_help_web_view mainFrame] loadHTMLString: _NS(I_LONGHELP)
197                                         baseURL: [NSURL URLWithString:@"http://videolan.org"]];
198 }
199
200 - (IBAction)helpGoHome:(id)sender
201 {
202     [[o_help_web_view mainFrame] loadHTMLString: _NS(I_LONGHELP)
203                                         baseURL: [NSURL URLWithString:@"http://videolan.org"]];
204 }
205
206 - (void)webView:(WebView *)sender didFinishLoadForFrame:(WebFrame *)frame
207 {
208     /* delegate to update button states (we're the frameLoadDelegate for our help's webview)« */
209     [o_help_fwd_btn setEnabled: [o_help_web_view canGoForward]]; 
210     [o_help_bwd_btn setEnabled: [o_help_web_view canGoBack]];
211 }
212
213 @end