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

   1 /*****************************************************************************
   2  * timer.cpp : wxWindows plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000-2003 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   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/aout.h>
  34 #include <vlc/intf.h>
  35
  36 #include "wxwindows.h"
  37 #include <wx/timer.h>
  38
  39 //void DisplayStreamDate( wxControl *, intf_thread_t *, int );
  40
  41 /* Callback prototype */
  42 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
  43                         vlc_value_t old_val, vlc_value_t new_val, void *param );
  44
  45 /*****************************************************************************
  46  * Constructor.
  47  *****************************************************************************/
  48 Timer::Timer( intf_thread_t *_p_intf, Interface *_p_main_interface )
  49 {
  50     p_intf = _p_intf;
  51     p_main_interface = _p_main_interface;
  52     i_old_playing_status = PAUSE_S;
  53     i_old_rate = DEFAULT_RATE;
  54
  55     /* Register callback for the intf-popupmenu variable */
  56     playlist_t *p_playlist =
  57         (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  58                                        FIND_ANYWHERE );
  59     if( p_playlist != NULL )
  60     {
  61         var_AddCallback( p_playlist, "intf-popupmenu", PopupMenuCB, p_intf );
  62         vlc_object_release( p_playlist );
  63     }
  64
  65     Start( 100 /*milliseconds*/, wxTIMER_CONTINUOUS );
  66 }
  67
  68 Timer::~Timer()
  69 {
  70     /* Unregister callback */
  71     playlist_t *p_playlist =
  72         (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  73                                        FIND_ANYWHERE );
  74     if( p_playlist != NULL )
  75     {
  76         var_DelCallback( p_playlist, "intf-popupmenu", PopupMenuCB, p_intf );
  77         vlc_object_release( p_playlist );
  78     }
  79 }
  80
  81 /*****************************************************************************
  82  * Private methods.
  83  *****************************************************************************/
  84
  85 /*****************************************************************************
  86  * Manage: manage main thread messages
  87  *****************************************************************************
  88  * In this function, called approx. 10 times a second, we check what the
  89  * main program wanted to tell us.
  90  *****************************************************************************/
  91 void Timer::Notify()
  92 {
  93     vlc_bool_t b_pace_control;
  94
  95     vlc_mutex_lock( &p_intf->change_lock );
  96
  97     /* Update the input */
  98     if( p_intf->p_sys->p_input == NULL )
  99     {
 100         p_intf->p_sys->p_input =
 101             (input_thread_t *)vlc_object_find( p_intf, VLC_OBJECT_INPUT,
 102                                                FIND_ANYWHERE );
 103
 104         /* Show slider */
 105         if( p_intf->p_sys->p_input )
 106         {
 107             p_main_interface->slider->SetValue( 0 );
 108             p_main_interface->slider_frame->Show();
 109             p_main_interface->frame_sizer->Show(
 110                 p_main_interface->slider_frame );
 111             p_main_interface->frame_sizer->Layout();
 112             p_main_interface->frame_sizer->Fit( p_main_interface );
 113
 114             if( p_intf->p_sys->p_input->stream.b_seekable )
 115                 p_main_interface->slider->Enable();
 116             else
 117                 p_main_interface->slider->Disable();
 118
 119             p_main_interface->statusbar->SetStatusText(
 120                 wxU(p_intf->p_sys->p_input->psz_source), 2 );
 121
 122             p_main_interface->TogglePlayButton( PLAYING_S );
 123             i_old_playing_status = PLAYING_S;
 124
 125             /* control buttons for free pace streams */
 126             b_pace_control = p_intf->p_sys->p_input->stream.b_pace_control;
 127         }
 128     }
 129     else if( p_intf->p_sys->p_input->b_dead )
 130     {
 131         /* Hide slider */
 132         p_main_interface->slider_frame->Hide();
 133         p_main_interface->frame_sizer->Hide(
 134             p_main_interface->slider_frame );
 135         p_main_interface->frame_sizer->Layout();
 136         p_main_interface->frame_sizer->Fit( p_main_interface );
 137
 138         p_main_interface->TogglePlayButton( PAUSE_S );
 139         i_old_playing_status = PAUSE_S;
 140
 141         p_main_interface->statusbar->SetStatusText( wxT(""), 0 );
 142         p_main_interface->statusbar->SetStatusText( wxT(""), 2 );
 143
 144         vlc_object_release( p_intf->p_sys->p_input );
 145         p_intf->p_sys->p_input = NULL;
 146     }
 147
 148
 149
 150     if( p_intf->p_sys->p_input )
 151     {
 152         input_thread_t *p_input = p_intf->p_sys->p_input;
 153
 154         vlc_mutex_lock( &p_input->stream.stream_lock );
 155
 156         if( !p_input->b_die )
 157         {
 158             /* New input or stream map change */
 159             p_intf->p_sys->b_playing = 1;
 160
 161             /* Manage the slider */
 162             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 163             {
 164                 /* Update the slider if the user isn't dragging it. */
 165                 if( p_intf->p_sys->b_slider_free )
 166                 {
 167                     vlc_value_t pos;
 168                     char psz_time[ MSTRTIME_MAX_SIZE ];
 169                     char psz_total[ MSTRTIME_MAX_SIZE ];
 170                     vlc_value_t time;
 171                     mtime_t i_seconds;
 172
 173                     /* Update the value */
 174                     var_Get( p_input, "position", &pos );
 175                     if( pos.f_float >= 0.0 )
 176                     {
 177                         p_intf->p_sys->i_slider_pos =
 178                             (int)(SLIDER_MAX_POS * pos.f_float);
 179
 180                         p_main_interface->slider->SetValue(
 181                             p_intf->p_sys->i_slider_pos );
 182
 183                         var_Get( p_intf->p_sys->p_input, "time", &time );
 184                         i_seconds = time.i_time / 1000000;
 185                         secstotimestr ( psz_time, i_seconds );
 186
 187                         var_Get( p_intf->p_sys->p_input, "length",  &time );
 188                         i_seconds = time.i_time / 1000000;
 189                         secstotimestr ( psz_total, i_seconds );
 190
 191                         p_main_interface->statusbar->SetStatusText(
 192                             wxU(psz_time) + wxString(wxT(" / ")) +
 193                             wxU(psz_total), 0 );
 194                     }
 195                 }
 196             }
 197
 198             /* Take care of the volume, etc... */
 199             p_main_interface->Update();
 200
 201             /* Manage Playing status */
 202             if( i_old_playing_status != p_input->stream.control.i_status )
 203             {
 204                 if( p_input->stream.control.i_status == PAUSE_S )
 205                 {
 206                     p_main_interface->TogglePlayButton( PAUSE_S );
 207                 }
 208                 else
 209                 {
 210                     p_main_interface->TogglePlayButton( PLAYING_S );
 211                 }
 212                 i_old_playing_status = p_input->stream.control.i_status;
 213             }
 214
 215             /* Manage Speed status */
 216             if( i_old_rate != p_input->stream.control.i_rate )
 217             {
 218                 p_main_interface->statusbar->SetStatusText(
 219                     wxString::Format(wxT("x%.2f"),
 220                     1000.0 / p_input->stream.control.i_rate), 1 );
 221                 i_old_rate = p_input->stream.control.i_rate;
 222             }
 223         }
 224
 225         vlc_mutex_unlock( &p_input->stream.stream_lock );
 226     }
 227     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 228     {
 229         p_intf->p_sys->b_playing = 0;
 230         p_main_interface->TogglePlayButton( PAUSE_S );
 231         i_old_playing_status = PAUSE_S;
 232     }
 233
 234     if( p_intf->b_die )
 235     {
 236         vlc_mutex_unlock( &p_intf->change_lock );
 237
 238         /* Prepare to die, young Skywalker */
 239         p_main_interface->Close(TRUE);
 240         return;
 241     }
 242
 243     vlc_mutex_unlock( &p_intf->change_lock );
 244 }
 245
 246 /*****************************************************************************
 247  * PopupMenuCB: callback triggered by the intf-popupmenu playlist variable.
 248  *  We don't show the menu directly here because we don't want the
 249  *  caller to block for a too long time.
 250  *****************************************************************************/
 251 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
 252                         vlc_value_t old_val, vlc_value_t new_val, void *param )
 253 {
 254     intf_thread_t *p_intf = (intf_thread_t *)param;
 255
 256     if( p_intf->p_sys->pf_show_dialog )
 257     {
 258         p_intf->p_sys->pf_show_dialog( p_intf, INTF_DIALOG_POPUPMENU,
 259                                        new_val.b_bool, 0 );
 260     }
 261
 262     return VLC_SUCCESS;
 263 }