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 1.2 2002/11/20 14:24:00 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 #include <vlc/intf.h>
  34
  35 /* Let wxWindows take care of the i18n stuff */
  36 #undef _
  37
  38 #ifdef WIN32                                                 /* mingw32 hack */
  39 #undef Yield
  40 #undef CreateDialog
  41 #endif
  42
  43 #include <wx/wxprec.h>
  44 #include <wx/wx.h>
  45 #include <wx/timer.h>
  46
  47 #include "wxwindows.h"
  48
  49 /*****************************************************************************
  50  * Constructor.
  51  *****************************************************************************/
  52 Timer::Timer( intf_thread_t *_p_intf, Interface *_p_main_interface )
  53 {
  54     p_intf = _p_intf;
  55     p_main_interface = _p_main_interface;
  56
  57     Start( 100 /*milliseconds*/, wxTIMER_CONTINUOUS );
  58 }
  59
  60 Timer::~Timer()
  61 {
  62 }
  63
  64 /*****************************************************************************
  65  * Private methods.
  66  *****************************************************************************/
  67 /*****************************************************************************
  68  * wxModeManage: actualise the aspect of the interface whenever the input
  69  * changes.
  70  *****************************************************************************
  71  * The lock has to be taken before you call the function.
  72  *****************************************************************************/
  73 static int wxModeManage( intf_thread_t * p_intf )
  74 {
  75     return 0;
  76 }
  77
  78 /*****************************************************************************
  79  * wxSetupMenus: function that generates title/chapter/audio/subpic
  80  * menus with help from preceding functions
  81  *****************************************************************************
  82  * Function called with the lock on stream
  83  *****************************************************************************/
  84 static int wxSetupMenus( intf_thread_t * p_intf )
  85 {
  86     return 0;
  87 }
  88
  89 /*****************************************************************************
  90  * Manage: manage main thread messages
  91  *****************************************************************************
  92  * In this function, called approx. 10 times a second, we check what the
  93  * main program wanted to tell us.
  94  *****************************************************************************/
  95 void Timer::Notify()
  96 {
  97     int i_start, i_stop;
  98
  99     vlc_mutex_lock( &p_intf->change_lock );
 100
 101     /* If the "display popup" flag has changed */
 102     if( p_intf->b_menu_change )
 103     {
 104         p_intf->b_menu_change = 0;
 105     }
 106
 107     /* Update the log window */
 108     vlc_mutex_lock( p_intf->p_sys->p_sub->p_lock );
 109     i_stop = *p_intf->p_sys->p_sub->pi_stop;
 110     vlc_mutex_unlock( p_intf->p_sys->p_sub->p_lock );
 111
 112     if( p_intf->p_sys->p_sub->i_start != i_stop )
 113     {
 114     }
 115
 116     /* Update the input */
 117     if( p_intf->p_sys->p_input == NULL )
 118     {
 119         p_intf->p_sys->p_input = (input_thread_t *)vlc_object_find( p_intf,
 120                                                        VLC_OBJECT_INPUT,
 121                                                        FIND_ANYWHERE );
 122         /* Show slider */
 123         if(p_intf->p_sys->p_input)
 124         {
 125             p_main_interface->slider->Show();
 126             p_main_interface->statusbar->SetStatusText(
 127                 p_intf->p_sys->p_input->psz_source, 1 );
 128         }
 129     }
 130     else if( p_intf->p_sys->p_input->b_dead )
 131     {
 132         /* Hide slider */
 133         if(p_intf->p_sys->p_input)
 134             p_main_interface->slider->Hide();
 135
 136         p_main_interface->statusbar->SetStatusText( "", 1 );
 137
 138         vlc_object_release( p_intf->p_sys->p_input );
 139         p_intf->p_sys->p_input = NULL;
 140     }
 141
 142     if( p_intf->p_sys->p_input )
 143     {
 144         input_thread_t *p_input = p_intf->p_sys->p_input;
 145
 146         vlc_mutex_lock( &p_input->stream.stream_lock );
 147
 148         if( !p_input->b_die )
 149         {
 150             /* New input or stream map change */
 151             if( p_input->stream.b_changed )
 152             {
 153                 wxModeManage( p_intf );
 154                 wxSetupMenus( p_intf );
 155                 p_intf->p_sys->b_playing = 1;
 156             }
 157
 158             /* Manage the slider */
 159             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 160             {
 161
 162                 stream_position_t position;
 163
 164                 /* If the user hasn't touched the slider since the last time,
 165                  * then the input can safely change it */
 166                 if( p_intf->p_sys->i_slider_pos ==
 167                     p_intf->p_sys->i_slider_oldpos )
 168                 {
 169                     /* Update the value */
 170                     vlc_mutex_unlock( &p_input->stream.stream_lock );
 171                     input_Tell( p_input, &position );
 172                     vlc_mutex_lock( &p_input->stream.stream_lock );
 173                     p_intf->p_sys->i_slider_oldpos =
 174                         ( 100 * position.i_tell ) / position.i_size;
 175
 176                     if( p_intf->p_sys->i_slider_pos !=
 177                         p_intf->p_sys->i_slider_oldpos )
 178                     {
 179                         p_intf->p_sys->i_slider_pos =
 180                             p_intf->p_sys->i_slider_oldpos;
 181
 182                         p_main_interface->slider->SetValue(
 183                             p_intf->p_sys->i_slider_pos );
 184                     }
 185                 }
 186
 187                 /* Otherwise, send message to the input if the user has
 188                  * finished dragging the slider */
 189                 else if( p_intf->p_sys->b_slider_free )
 190                 {
 191                     /* release the lock to be able to seek */
 192                     vlc_mutex_unlock( &p_input->stream.stream_lock );
 193                     input_Seek( p_input, p_intf->p_sys->i_slider_pos,
 194                                 INPUT_SEEK_PERCENT | INPUT_SEEK_SET );
 195                     vlc_mutex_lock( &p_input->stream.stream_lock );
 196
 197                     /* Update the old value */
 198                     p_intf->p_sys->i_slider_oldpos =
 199                         p_intf->p_sys->i_slider_pos;
 200                 }
 201             }
 202
 203             if( p_intf->p_sys->i_part !=
 204                 p_input->stream.p_selected_area->i_part )
 205             {
 206                 p_intf->p_sys->b_chapter_update = 1;
 207                 wxSetupMenus( p_intf );
 208             }
 209         }
 210
 211         vlc_mutex_unlock( &p_input->stream.stream_lock );
 212     }
 213     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 214     {
 215         wxModeManage( p_intf );
 216         p_intf->p_sys->b_playing = 0;
 217     }
 218
 219     if( p_intf->b_die )
 220     {
 221         vlc_mutex_unlock( &p_intf->change_lock );
 222
 223         /* Prepare to die, young Skywalker */
 224         p_main_interface->Close(TRUE);
 225         return;
 226     }
 227
 228     vlc_mutex_unlock( &p_intf->change_lock );
 229 }