git.sesse.net Git - vlc/blob - modules/gui/wxwindows/timer.cpp

   1 /*****************************************************************************
   2  * timer.cpp : wxWindows plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000-2001 VideoLAN
   5  * $Id: timer.cpp,v 1.5 2002/11/23 16:17:12 gbazin Exp $
   6  *
   7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
   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 <stdlib.h>                                      /* malloc(), free() */
  28 #include <errno.h>                                                 /* ENOMEM */
  29 #include <string.h>                                            /* strerror() */
  30 #include <stdio.h>
  31
  32 #include <vlc/vlc.h>
  33
  34 #ifdef WIN32                                                 /* mingw32 hack */
  35 #undef Yield
  36 #undef CreateDialog
  37 #endif
  38
  39 /* Let vlc take care of the i18n stuff */
  40 #define WXINTL_NO_GETTEXT_MACRO
  41
  42 #include <wx/wxprec.h>
  43 #include <wx/wx.h>
  44 #include <wx/timer.h>
  45
  46 #include <vlc/intf.h>
  47
  48 #include "wxwindows.h"
  49
  50 void DisplayStreamDate( wxControl *, intf_thread_t *, int );
  51
  52 /*****************************************************************************
  53  * Constructor.
  54  *****************************************************************************/
  55 Timer::Timer( intf_thread_t *_p_intf, Interface *_p_main_interface )
  56 {
  57     p_intf = _p_intf;
  58     p_main_interface = _p_main_interface;
  59
  60     Start( 100 /*milliseconds*/, wxTIMER_CONTINUOUS );
  61 }
  62
  63 Timer::~Timer()
  64 {
  65 }
  66
  67 /*****************************************************************************
  68  * Private methods.
  69  *****************************************************************************/
  70 /*****************************************************************************
  71  * wxModeManage: actualise the aspect of the interface whenever the input
  72  * changes.
  73  *****************************************************************************
  74  * The lock has to be taken before you call the function.
  75  *****************************************************************************/
  76 static int wxModeManage( intf_thread_t * p_intf )
  77 {
  78     return 0;
  79 }
  80
  81 /*****************************************************************************
  82  * wxSetupMenus: function that generates title/chapter/audio/subpic
  83  * menus with help from preceding functions
  84  *****************************************************************************
  85  * Function called with the lock on stream
  86  *****************************************************************************/
  87 static int wxSetupMenus( intf_thread_t * p_intf )
  88 {
  89     return 0;
  90 }
  91
  92 /*****************************************************************************
  93  * Manage: manage main thread messages
  94  *****************************************************************************
  95  * In this function, called approx. 10 times a second, we check what the
  96  * main program wanted to tell us.
  97  *****************************************************************************/
  98 void Timer::Notify()
  99 {
 100     int i_stop;
 101
 102     vlc_mutex_lock( &p_intf->change_lock );
 103
 104     /* If the "display popup" flag has changed */
 105     if( p_intf->b_menu_change )
 106     {
 107         p_intf->b_menu_change = 0;
 108     }
 109
 110     /* Update the log window */
 111     vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 112     i_stop = *p_intf->p_sys->p_sub->pi_stop;
 113     vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 114
 115     if( p_intf->p_sys->p_sub->i_start != i_stop )
 116     {
 117         /* Append all messages to log window */
 118     }
 119
 120     /* Update the playlist */
 121     p_intf->p_sys->p_playlist_window->Manage();
 122
 123     /* Update the input */
 124     if( p_intf->p_sys->p_input == NULL )
 125     {
 126         p_intf->p_sys->p_input = (input_thread_t *)vlc_object_find( p_intf,
 127                                                        VLC_OBJECT_INPUT,
 128                                                        FIND_ANYWHERE );
 129         /* Show slider */
 130         if(p_intf->p_sys->p_input)
 131         {
 132             p_main_interface->frame_sizer->Add(
 133                 p_main_interface->slider_frame, 1, wxGROW, 0 );
 134             p_main_interface->slider_frame->Show();
 135             p_main_interface->frame_sizer->Layout();
 136             p_main_interface->frame_sizer->Fit( p_main_interface );
 137             p_main_interface->statusbar->SetStatusText(
 138                 p_intf->p_sys->p_input->psz_source, 1 );
 139         }
 140     }
 141     else if( p_intf->p_sys->p_input->b_dead )
 142     {
 143         /* Hide slider */
 144         if(p_intf->p_sys->p_input)
 145         {
 146             p_main_interface->slider_frame->Hide();
 147             p_main_interface->frame_sizer->Remove(
 148                 p_main_interface->slider_frame );
 149             p_main_interface->frame_sizer->Layout();
 150             p_main_interface->frame_sizer->Fit( p_main_interface );
 151         }
 152
 153         p_main_interface->statusbar->SetStatusText( "", 1 );
 154
 155         vlc_object_release( p_intf->p_sys->p_input );
 156         p_intf->p_sys->p_input = NULL;
 157     }
 158
 159     if( p_intf->p_sys->p_input )
 160     {
 161         input_thread_t *p_input = p_intf->p_sys->p_input;
 162
 163         vlc_mutex_lock( &p_input->stream.stream_lock );
 164
 165         if( !p_input->b_die )
 166         {
 167             /* New input or stream map change */
 168             if( p_input->stream.b_changed )
 169             {
 170                 wxModeManage( p_intf );
 171                 wxSetupMenus( p_intf );
 172                 p_intf->p_sys->b_playing = 1;
 173             }
 174
 175             /* Manage the slider */
 176             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 177             {
 178
 179                 stream_position_t position;
 180
 181                 /* If the user hasn't touched the slider since the last time,
 182                  * then the input can safely change it */
 183                 if( p_intf->p_sys->i_slider_pos ==
 184                     p_intf->p_sys->i_slider_oldpos )
 185                 {
 186                     /* Update the value */
 187                     vlc_mutex_unlock( &p_input->stream.stream_lock );
 188                     input_Tell( p_input, &position );
 189                     vlc_mutex_lock( &p_input->stream.stream_lock );
 190                     p_intf->p_sys->i_slider_oldpos =
 191                         ( SLIDER_MAX_POS * position.i_tell ) / position.i_size;
 192
 193                     if( p_intf->p_sys->i_slider_pos !=
 194                         p_intf->p_sys->i_slider_oldpos )
 195                     {
 196                         p_intf->p_sys->i_slider_pos =
 197                             p_intf->p_sys->i_slider_oldpos;
 198
 199                         p_main_interface->slider->SetValue(
 200                             p_intf->p_sys->i_slider_pos );
 201
 202                         DisplayStreamDate( p_main_interface->slider_box,
 203                                            p_intf,
 204                                            p_intf->p_sys->i_slider_pos );
 205                     }
 206                 }
 207
 208                 /* Otherwise, send message to the input if the user has
 209                  * finished dragging the slider */
 210                 else if( p_intf->p_sys->b_slider_free )
 211                 {
 212                     /* release the lock to be able to seek */
 213                     vlc_mutex_unlock( &p_input->stream.stream_lock );
 214                     input_Seek( p_input, p_intf->p_sys->i_slider_pos *
 215                                 100 / SLIDER_MAX_POS,
 216                                 INPUT_SEEK_PERCENT | INPUT_SEEK_SET );
 217                     vlc_mutex_lock( &p_input->stream.stream_lock );
 218
 219                     /* Update the old value */
 220                     p_intf->p_sys->i_slider_oldpos =
 221                         p_intf->p_sys->i_slider_pos;
 222                 }
 223             }
 224
 225             if( p_intf->p_sys->i_part !=
 226                 p_input->stream.p_selected_area->i_part )
 227             {
 228                 p_intf->p_sys->b_chapter_update = 1;
 229                 wxSetupMenus( p_intf );
 230             }
 231         }
 232
 233         vlc_mutex_unlock( &p_input->stream.stream_lock );
 234     }
 235     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 236     {
 237         wxModeManage( p_intf );
 238         p_intf->p_sys->b_playing = 0;
 239     }
 240
 241     if( p_intf->b_die )
 242     {
 243         vlc_mutex_unlock( &p_intf->change_lock );
 244
 245         /* Prepare to die, young Skywalker */
 246         p_main_interface->Close(TRUE);
 247         return;
 248     }
 249
 250     vlc_mutex_unlock( &p_intf->change_lock );
 251 }
 252
 253 /*****************************************************************************
 254  * DisplayStreamDate: display stream date
 255  *****************************************************************************
 256  * This function displays the current date related to the position in
 257  * the stream. It is called whenever the slider changes its value.
 258  * The lock has to be taken before you call the function.
 259  *****************************************************************************/
 260 void DisplayStreamDate( wxControl *p_slider_frame, intf_thread_t * p_intf ,
 261                         int i_pos )
 262 {
 263     if( p_intf->p_sys->p_input )
 264     {
 265 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
 266         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 267
 268         p_slider_frame->SetLabel(
 269             input_OffsetToTime( p_intf->p_sys->p_input,
 270                                 psz_time,
 271                                 p_area->i_size * i_pos / SLIDER_MAX_POS ) );
 272 #undef p_area
 273      }
 274 }