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 1.31 2003/08/28 15:59:04 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 #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 }
  71
  72 /*****************************************************************************
  73  * Private methods.
  74  *****************************************************************************/
  75
  76 /*****************************************************************************
  77  * Manage: manage main thread messages
  78  *****************************************************************************
  79  * In this function, called approx. 10 times a second, we check what the
  80  * main program wanted to tell us.
  81  *****************************************************************************/
  82 void Timer::Notify()
  83 {
  84     vlc_bool_t b_pace_control;
  85
  86     vlc_mutex_lock( &p_intf->change_lock );
  87
  88     /* Update the input */
  89     if( p_intf->p_sys->p_input == NULL )
  90     {
  91         p_intf->p_sys->p_input = (input_thread_t *)vlc_object_find( p_intf,
  92                                                        VLC_OBJECT_INPUT,
  93                                                        FIND_ANYWHERE );
  94
  95         /* Show slider */
  96         if( p_intf->p_sys->p_input )
  97         {
  98             //if( p_intf->p_sys->p_input->stream.b_seekable )
  99             {
 100                 p_main_interface->slider_frame->Show();
 101                 p_main_interface->frame_sizer->Show(
 102                     p_main_interface->slider_frame );
 103                 p_main_interface->frame_sizer->Layout();
 104                 p_main_interface->frame_sizer->Fit( p_main_interface );
 105             }
 106
 107             p_main_interface->statusbar->SetStatusText(
 108                 wxU(p_intf->p_sys->p_input->psz_source), 2 );
 109
 110             p_main_interface->TogglePlayButton( PLAYING_S );
 111             i_old_playing_status = PLAYING_S;
 112
 113             /* Take care of the volume */
 114             audio_volume_t i_volume;
 115             aout_VolumeGet( p_intf, &i_volume );
 116             p_main_interface->volctrl->SetValue( i_volume * 200 /
 117                                                  AOUT_VOLUME_MAX );
 118             p_main_interface->volctrl->SetToolTip(
 119                 wxString::Format((wxString)wxU(_("Volume")) + wxT(" %d"),
 120                 i_volume * 200 / AOUT_VOLUME_MAX ) );
 121
 122             /* control buttons for free pace streams */
 123             b_pace_control = p_intf->p_sys->p_input->stream.b_pace_control;
 124         }
 125     }
 126     else if( p_intf->p_sys->p_input->b_dead )
 127     {
 128         /* Hide slider */
 129         //if( p_intf->p_sys->p_input->stream.b_seekable )
 130         {
 131             p_main_interface->slider_frame->Hide();
 132             p_main_interface->frame_sizer->Hide(
 133                 p_main_interface->slider_frame );
 134             p_main_interface->frame_sizer->Layout();
 135             p_main_interface->frame_sizer->Fit( p_main_interface );
 136
 137             p_main_interface->TogglePlayButton( PAUSE_S );
 138             i_old_playing_status = PAUSE_S;
 139         }
 140
 141         p_main_interface->statusbar->SetStatusText( wxT(""), 2 );
 142
 143         vlc_object_release( p_intf->p_sys->p_input );
 144         p_intf->p_sys->p_input = NULL;
 145     }
 146
 147
 148
 149     if( p_intf->p_sys->p_input )
 150     {
 151         input_thread_t *p_input = p_intf->p_sys->p_input;
 152
 153         vlc_mutex_lock( &p_input->stream.stream_lock );
 154
 155         if( !p_input->b_die )
 156         {
 157             /* New input or stream map change */
 158             p_intf->p_sys->b_playing = 1;
 159 #if 0
 160             if( p_input->stream.b_changed )
 161             {
 162                 wxModeManage( p_intf );
 163                 wxSetupMenus( p_intf );
 164                 p_intf->p_sys->b_playing = 1;
 165
 166                 p_main_interface->TogglePlayButton( PLAYING_S );
 167                 i_old_playing_status = PLAYING_S;
 168             }
 169 #endif
 170
 171             /* Manage the slider */
 172             if( p_input->stream.b_seekable && p_intf->p_sys->b_playing )
 173             {
 174                 stream_position_t position;
 175
 176                 /* Update the slider if the user isn't dragging it. */
 177                 if( p_intf->p_sys->b_slider_free )
 178                 {
 179                     /* Update the value */
 180                     vlc_mutex_unlock( &p_input->stream.stream_lock );
 181                     input_Tell( p_input, &position );
 182                     vlc_mutex_lock( &p_input->stream.stream_lock );
 183                     if( position.i_size )
 184                     {
 185                         p_intf->p_sys->i_slider_pos =
 186                         ( SLIDER_MAX_POS * position.i_tell ) / position.i_size;
 187
 188                         p_main_interface->slider->SetValue(
 189                             p_intf->p_sys->i_slider_pos );
 190
 191                         DisplayStreamDate( p_main_interface->slider_box,p_intf,
 192                                            p_intf->p_sys->i_slider_pos );
 193                     }
 194                 }
 195             }
 196
 197             /* Manage Playing status */
 198             if( i_old_playing_status != p_input->stream.control.i_status )
 199             {
 200                 if( p_input->stream.control.i_status == PAUSE_S )
 201                 {
 202                     p_main_interface->TogglePlayButton( PAUSE_S );
 203                 }
 204                 else
 205                 {
 206                     p_main_interface->TogglePlayButton( PLAYING_S );
 207                 }
 208                 i_old_playing_status = p_input->stream.control.i_status;
 209             }
 210
 211             /* Manage Speed status */
 212             if( i_old_rate != p_input->stream.control.i_rate )
 213             {
 214                 p_main_interface->statusbar->SetStatusText(
 215                     wxString::Format(wxT("x%.2f"),
 216                     1000.0 / p_input->stream.control.i_rate), 1 );
 217                 i_old_rate = p_input->stream.control.i_rate;
 218             }
 219         }
 220
 221         vlc_mutex_unlock( &p_input->stream.stream_lock );
 222     }
 223     else if( p_intf->p_sys->b_playing && !p_intf->b_die )
 224     {
 225         p_intf->p_sys->b_playing = 0;
 226         p_main_interface->TogglePlayButton( PAUSE_S );
 227         i_old_playing_status = PAUSE_S;
 228     }
 229
 230     if( p_intf->b_die )
 231     {
 232         vlc_mutex_unlock( &p_intf->change_lock );
 233
 234         /* Prepare to die, young Skywalker */
 235         p_main_interface->Close(TRUE);
 236         return;
 237     }
 238
 239     vlc_mutex_unlock( &p_intf->change_lock );
 240 }
 241
 242 /*****************************************************************************
 243  * DisplayStreamDate: display stream date
 244  *****************************************************************************
 245  * This function displays the current date related to the position in
 246  * the stream. It is called whenever the slider changes its value.
 247  * The lock has to be taken before you call the function.
 248  *****************************************************************************/
 249 void DisplayStreamDate( wxControl *p_slider_frame, intf_thread_t * p_intf ,
 250                         int i_pos )
 251 {
 252     if( p_intf->p_sys->p_input )
 253     {
 254 #define p_area p_intf->p_sys->p_input->stream.p_selected_area
 255         char psz_time[ OFFSETTOTIME_MAX_SIZE ];
 256
 257         p_slider_frame->SetLabel(
 258             wxU(input_OffsetToTime( p_intf->p_sys->p_input,
 259                     psz_time, p_area->i_size * i_pos / SLIDER_MAX_POS )) );
 260 #undef p_area
 261      }
 262 }
 263
 264 /*****************************************************************************
 265  * PopupMenuCB: callback triggered by the intf-popupmenu playlist variable.
 266  *  We don't show the menu directly here because we don't want the
 267  *  caller to block for a too long time.
 268  *****************************************************************************/
 269 static int PopupMenuCB( vlc_object_t *p_this, const char *psz_variable,
 270                         vlc_value_t old_val, vlc_value_t new_val, void *param )
 271 {
 272     intf_thread_t *p_intf = (intf_thread_t *)param;
 273
 274     if( p_intf->p_sys->pf_show_dialog )
 275         p_intf->p_sys->pf_show_dialog( p_intf, INTF_DIALOG_POPUPMENU,
 276                                        new_val.b_bool, 0 );
 277
 278     return VLC_SUCCESS;
 279 }