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 1.28 2003/07/18 11:39:39 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/aout.h>
  34
  35 #ifdef WIN32                                                 /* mingw32 hack */
  36 #undef Yield
  37 #undef CreateDialog
  38 #endif
  39
  40 /* Let vlc take care of the i18n stuff */
  41 #define WXINTL_NO_GETTEXT_MACRO
  42
  43 #include <wx/wxprec.h>
  44 #include <wx/wx.h>
  45 #include <wx/timer.h>
  46
  47 #include <vlc/intf.h>
  48
  49 #include "wxwindows.h"
  50
  51 void DisplayStreamDate( wxControl *, intf_thread_t *, int );
  52
  53 /* Callback prototype */
  54 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
  55                        vlc_value_t old_val, vlc_value_t new_val, void *param );
  56
  57 /*****************************************************************************
  58  * Constructor.
  59  *****************************************************************************/
  60 Timer::Timer( intf_thread_t *_p_intf, Interface *_p_main_interface )
  61 {
  62     p_intf = _p_intf;
  63     p_main_interface = _p_main_interface;
  64     i_old_playing_status = PAUSE_S;
  65     i_old_rate = DEFAULT_RATE;
  66
  67     /* Register callback for the intf-popupmenu variable */
  68     playlist_t *p_playlist =
  69         (playlist_t *)vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  70                                        FIND_ANYWHERE );
  71     if( p_playlist != NULL )
  72     {
  73         var_AddCallback( p_playlist, "intf-popupmenu", PopupMenuCB, p_intf );
  74         vlc_object_release( p_playlist );
  75     }
  76
  77     Start( 100 /*milliseconds*/, wxTIMER_CONTINUOUS );
  78 }
  79
  80 Timer::~Timer()
  81 {
  82 }
  83
  84 /*****************************************************************************
  85  * Private methods.
  86  *****************************************************************************/
  87
  88 /*****************************************************************************
  89  * Manage: manage main thread messages
  90  *****************************************************************************
  91  * In this function, called approx. 10 times a second, we check what the
  92  * main program wanted to tell us.
  93  *****************************************************************************/
  94 void Timer::Notify()
  95 {
  96     vlc_bool_t b_pace_control;
  97
  98     vlc_mutex_lock( &p_intf->change_lock );
  99
 100     /* Update the input */
 101     if( p_intf->p_sys->p_input == NULL )
 102     {
 103         p_intf->p_sys->p_input = (input_thread_t *)vlc_object_find( p_intf,
 104                                                        VLC_OBJECT_INPUT,
 105                                                        FIND_ANYWHERE );
 106
 107         /* Show slider */
 108         if( p_intf->p_sys->p_input )
 109         {
 110             //if( p_intf->p_sys->p_input->stream.b_seekable )
 111             {
 112                 p_main_interface->slider_frame->Show();
 113                 p_main_interface->frame_sizer->Show(
 114                     p_main_interface->slider_frame );
 115                 p_main_interface->frame_sizer->Layout();
 116                 p_main_interface->frame_sizer->Fit( p_main_interface );
 117             }
 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             /* Take care of the volume */
 126             audio_volume_t i_volume;
 127             aout_VolumeGet( p_intf, &i_volume );
 128             p_main_interface->volctrl->SetValue( i_volume * 200 /
 129                                                  AOUT_VOLUME_MAX );
 130             p_main_interface->volctrl->SetToolTip(
 131                 wxString::Format((wxString)wxU(_("Volume")) + wxT(" %d"),
 132                 i_volume * 200 / AOUT_VOLUME_MAX ) );
 133
 134             /* control buttons for free pace streams */
 135             b_pace_control = p_intf->p_sys->p_input->stream.b_pace_control;
 136         }
 137     }
 138     else if( p_intf->p_sys->p_input->b_dead )
 139     {
 140         /* Hide slider */
 141         //if( p_intf->p_sys->p_input->stream.b_seekable )
 142         {
 143             p_main_interface->slider_frame->Hide();
 144             p_main_interface->frame_sizer->Hide(
 145                 p_main_interface->slider_frame );
 146             p_main_interface->frame_sizer->Layout();
 147             p_main_interface->frame_sizer->Fit( p_main_interface );
 148
 149             p_main_interface->TogglePlayButton( PAUSE_S );
 150             i_old_playing_status = PAUSE_S;
 151         }
 152
 153         p_main_interface->statusbar->SetStatusText( wxT(""), 2 );
 154
 155         vlc_object_release( p_intf->p_sys->p_input );
 156         p_intf->p_sys->p_input = NULL;
 157     }
 158
 159
 160
 161     if( p_intf->p_sys->p_input )
 162     {
 163         input_thread_t *p_input = p_intf->p_sys->p_input;
 164
 165         vlc_mutex_lock( &p_input->stream.stream_lock );
 166
 167         if( !p_input->b_die )
 168         {
 169             /* New input or stream map change */
 170             p_intf->p_sys->b_playing = 1;
 171 #if 0
 172             if( p_input->stream.b_changed )
 173             {
 174                 wxModeManage( p_intf );
 175                 wxSetupMenus( p_intf );
 176                 p_intf->p_sys->b_playing = 1;
 177
 178                 p_main_interface->TogglePlayButton( PLAYING_S );
 179                 i_old_playing_status = PLAYING_S;
 180             }
 181 #endif
 182
 183             /* Manage the slider */
 184             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 185             {
 186                 stream_position_t position;
 187
 188                 /* Update the slider if the user isn't dragging it. */
 189                 if( p_intf->p_sys->b_slider_free )
 190                 {
 191                     /* Update the value */
 192                     vlc_mutex_unlock( &p_input->stream.stream_lock );
 193                     input_Tell( p_input, &position );
 194                     vlc_mutex_lock( &p_input->stream.stream_lock );
 195                     if( position.i_size )
 196                     {
 197                         p_intf->p_sys->i_slider_pos =
 198                         ( SLIDER_MAX_POS * position.i_tell ) / position.i_size;
 199
 200                         p_main_interface->slider->SetValue(
 201                             p_intf->p_sys->i_slider_pos );
 202
 203                         DisplayStreamDate( p_main_interface->slider_box,p_intf,
 204                                            p_intf->p_sys->i_slider_pos );
 205                     }
 206                 }
 207             }
 208
 209             /* Manage Playing status */
 210             if( i_old_playing_status != p_input->stream.control.i_status )
 211             {
 212                 if( p_input->stream.control.i_status == PAUSE_S )
 213                 {
 214                     p_main_interface->TogglePlayButton( PAUSE_S );
 215                 }
 216                 else
 217                 {
 218                     p_main_interface->TogglePlayButton( PLAYING_S );
 219                 }
 220                 i_old_playing_status = p_input->stream.control.i_status;
 221             }
 222
 223             /* Manage Speed status */
 224             if( i_old_rate != p_input->stream.control.i_rate )
 225             {
 226                 p_main_interface->statusbar->SetStatusText(
 227                     wxString::Format(wxT("x%.2f"),
 228                     1000.0 / p_input->stream.control.i_rate), 1 );
 229                 i_old_rate = p_input->stream.control.i_rate;
 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         p_intf->p_sys->b_playing = 0;
 238         p_main_interface->TogglePlayButton( PAUSE_S );
 239         i_old_playing_status = PAUSE_S;
 240     }
 241
 242     if( p_intf->b_die )
 243     {
 244         vlc_mutex_unlock( &p_intf->change_lock );
 245
 246         /* Prepare to die, young Skywalker */
 247         p_main_interface->Close(TRUE);
 248         return;
 249     }
 250
 251     vlc_mutex_unlock( &p_intf->change_lock );
 252 }
 253
 254 /*****************************************************************************
 255  * DisplayStreamDate: display stream date
 256  *****************************************************************************
 257  * This function displays the current date related to the position in
 258  * the stream. It is called whenever the slider changes its value.
 259  * The lock has to be taken before you call the function.
 260  *****************************************************************************/
 261 void DisplayStreamDate( wxControl *p_slider_frame, intf_thread_t * p_intf ,
 262                         int i_pos )
 263 {
 264     if( p_intf->p_sys->p_input )
 265     {
 266 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
 267         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 268
 269         p_slider_frame->SetLabel(
 270             wxU(input_OffsetToTime( p_intf->p_sys->p_input,
 271                     psz_time, p_area->i_size * i_pos / SLIDER_MAX_POS )) );
 272 #undef p_area
 273      }
 274 }
 275
 276 /*****************************************************************************
 277  * PopupMenuCB: callback triggered by the intf-popupmenu playlist variable.
 278  *  We don't show the menu directly here because we don't want the
 279  *  caller to block for a too long time.
 280  *****************************************************************************/
 281 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
 282                         vlc_value_t old_val, vlc_value_t new_val, void *param )
 283 {
 284     intf_thread_t *p_intf = (intf_thread_t *)param;
 285
 286     if( p_intf->p_sys->pf_show_dialog )
 287         p_intf->p_sys->pf_show_dialog( p_intf, INTF_DIALOG_POPUPMENU, 0 );
 288
 289     return VLC_SUCCESS;
 290 }