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

   1 /*****************************************************************************
   2  * info.m: MacOS X info panel
   3  *****************************************************************************
   4  * Copyright (C) 2003 VideoLAN
   5  * $Id: info.m,v 1.6 2003/05/25 17:27:13 massiot Exp $
   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 #include "intf.h"
  25 #include "info.h"
  26
  27 /*****************************************************************************
  28  * VLCInfo implementation
  29  *****************************************************************************/
  30 @implementation VLCInfo
  31
  32 - (void)awakeFromNib
  33 {
  34     [o_window setExcludedFromWindowsMenu: YES];
  35 }
  36
  37 - (id)init
  38 {
  39     self = [super init];
  40
  41     if( self != nil )
  42     {
  43         o_strings = [[NSMutableDictionary alloc] init];
  44     }
  45
  46     return( self );
  47 }
  48
  49 - (void)dealloc
  50 {
  51     [o_strings release];
  52     [super dealloc];
  53 }
  54
  55 - (IBAction)toggleInfoPanel:(id)sender
  56 {
  57     if( [o_window isVisible] )
  58     {
  59         [o_window orderOut: sender];
  60     }
  61     else
  62     {
  63         [o_window orderFront: sender];
  64         [self updateInfo];
  65     }
  66 }
  67
  68 - (IBAction)showCategory:(id)sender
  69 {
  70     NSString * o_title = [o_selector titleOfSelectedItem];
  71     [o_view setString: [o_strings objectForKey: o_title]];
  72     [o_view setNeedsDisplay: YES];
  73 }
  74
  75 - (void)updateInfo
  76 {
  77     NSString *o_selectedPane;
  78
  79     if( ![o_window isVisible] )
  80     {
  81         return;
  82     }
  83
  84     o_selectedPane = [[o_selector selectedItem] title];
  85
  86     intf_thread_t * p_intf = [NSApp getIntf];
  87     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  88                                                        FIND_ANYWHERE );
  89
  90     if( p_playlist == NULL )
  91     {
  92         return;
  93     }
  94
  95     vlc_mutex_lock( &p_playlist->object_lock );
  96
  97     if ( p_playlist->p_input == NULL )
  98     {
  99         vlc_mutex_unlock( &p_playlist->object_lock );
 100         vlc_object_release( p_playlist );
 101         return;
 102     }
 103
 104     [o_strings removeAllObjects];
 105     [o_selector removeAllItems];
 106
 107     vlc_mutex_lock( &p_playlist->p_input->stream.stream_lock );
 108     input_info_category_t * p_category = p_playlist->p_input->stream.p_info;
 109
 110     while( p_category )
 111     {
 112         [self createInfoView: p_category];
 113         p_category = p_category->p_next;
 114     }
 115
 116     vlc_mutex_unlock( &p_playlist->p_input->stream.stream_lock );
 117     vlc_mutex_unlock( &p_playlist->object_lock );
 118     vlc_object_release( p_playlist );
 119
 120     int i_select = [o_selector indexOfItemWithTitle:o_selectedPane];
 121     if ( i_select < 0 )
 122     {
 123         i_select = 0;
 124     }
 125     [o_selector selectItemAtIndex: i_select ];
 126     [self showCategory: o_selector];
 127 }
 128
 129 - (void)createInfoView:(input_info_category_t *)p_category
 130 {
 131     NSString * o_title;
 132     NSMutableString * o_content;
 133     input_info_t * p_info;
 134
 135     /* Add a category */
 136     o_title = [NSString stringWithUTF8String: p_category->psz_name];
 137     [o_selector addItemWithTitle: o_title];
 138
 139     /* Create empty content string */
 140     o_content = [NSMutableString string];
 141
 142     /* Add the fields */
 143     p_info = p_category->p_info;
 144
 145     while( p_info )
 146     {
 147         [o_content appendFormat: @"%@: %@\n\n", [NSApp localizedString: p_info->psz_name],
 148                                                 [NSApp localizedString: p_info->psz_value]];
 149         p_info = p_info->p_next;
 150     }
 151
 152     [o_strings setObject: o_content forKey: o_title];
 153 }
 154
 155 @end
 156
 157 @implementation VLCInfo (NSMenuValidation)
 158
 159 - (BOOL)validateMenuItem:(NSMenuItem *)o_mi
 160 {
 161     BOOL bEnabled = TRUE;
 162
 163     intf_thread_t * p_intf = [NSApp getIntf];
 164     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 165                                                        FIND_ANYWHERE );
 166
 167     if( p_playlist != NULL )
 168     {
 169         vlc_mutex_lock( &p_playlist->object_lock );
 170     }
 171
 172     if( [[o_mi title] isEqualToString: _NS("Info")] )
 173     {
 174         if( p_playlist == NULL || p_playlist->p_input == NULL )
 175         {
 176             bEnabled = FALSE;
 177         }
 178     }
 179
 180     if( p_playlist != NULL )
 181     {
 182         vlc_mutex_unlock( &p_playlist->object_lock );
 183         vlc_object_release( p_playlist );
 184     }
 185
 186     return( bEnabled );
 187 }
 188
 189 @end