git.sesse.net Git - vlc/blob - modules/gui/maemo/maemo_input.c

   1 /*****************************************************************************
   2 * maemo_input.c : Input handling for the maemo plugin
   3 *****************************************************************************
   4 * Copyright (C) 2008 the VideoLAN team
   5 * $Id$
   6 *
   7 * Authors: Antoine Lejeune <phytos@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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22 *****************************************************************************/
  23
  24 #ifdef HAVE_CONFIG_H
  25 # include "config.h"
  26 #endif
  27
  28 #include <vlc_common.h>
  29
  30 #include "maemo.h"
  31 #include "maemo_input.h"
  32
  33 gboolean process_events( gpointer data )
  34 {
  35     intf_thread_t *p_intf = (intf_thread_t *)data;
  36     vlc_spin_lock( &p_intf->p_sys->event_lock );
  37
  38     int i_event = p_intf->p_sys->i_event;
  39     p_intf->p_sys->i_event = 0;
  40
  41     vlc_spin_unlock( &p_intf->p_sys->event_lock );
  42     if( i_event )
  43     {
  44         if( i_event & EVENT_PLAYLIST_CURRENT )
  45             item_changed_pl( p_intf );
  46         if( i_event & EVENT_ACTIVITY )
  47             item_changed_pl( p_intf );
  48         if( i_event & EVENT_ITEM_CHANGED )
  49             item_changed( p_intf );
  50         if( i_event & EVENT_INTF_CHANGED )
  51             update_position( p_intf );
  52     }
  53
  54     return TRUE;
  55 }
  56
  57 void set_input( intf_thread_t *p_intf, input_thread_t *p_input )
  58 {
  59     if( p_input && !( p_input->b_die || p_input->b_dead ) )
  60     {
  61         p_intf->p_sys->p_input = p_input;
  62         vlc_object_hold( p_input );
  63         var_AddCallback( p_input, "intf-change", interface_changed_cb, p_intf );
  64         var_AddCallback( p_input, "state", item_changed_cb, p_intf );
  65
  66         // "Activate" the seekbar
  67         gtk_widget_set_sensitive( GTK_WIDGET( p_intf->p_sys->p_seekbar ), TRUE );
  68     }
  69     else
  70         p_intf->p_sys->p_input = NULL;
  71 }
  72
  73 void delete_input( intf_thread_t *p_intf )
  74 {
  75     if( p_intf->p_sys->p_input )
  76     {
  77         var_DelCallback( p_intf->p_sys->p_input, "intf-change",
  78                          interface_changed_cb, p_intf );
  79         var_DelCallback( p_intf->p_sys->p_input, "state",
  80                          item_changed_cb, p_intf );
  81         vlc_object_release( p_intf->p_sys->p_input );
  82         p_intf->p_sys->p_input = NULL;
  83
  84         // Reset the seekbar
  85         hildon_seekbar_set_position( p_intf->p_sys->p_seekbar, 0 );
  86         gtk_widget_set_sensitive( GTK_WIDGET( p_intf->p_sys->p_seekbar ), FALSE );
  87     }
  88 }
  89
  90 void item_changed_pl( intf_thread_t *p_intf )
  91 {
  92     vlc_mutex_lock( &p_intf->change_lock );
  93     if( p_intf->p_sys->p_input &&
  94         ( p_intf->p_sys->p_input->b_dead || p_intf->p_sys->p_input->b_die ) )
  95     {
  96         delete_input( p_intf );
  97         vlc_mutex_unlock( &p_intf->change_lock );
  98         return;
  99     }
 100
 101     if( !p_intf->p_sys->p_input )
 102     {
 103         set_input( p_intf, playlist_CurrentInput( p_intf->p_sys->p_playlist ) );
 104     }
 105     vlc_mutex_unlock( &p_intf->change_lock );
 106     return;
 107 }
 108
 109 int playlist_current_cb( vlc_object_t *p_this, const char *psz_var,
 110                          vlc_value_t oldval, vlc_value_t newval, void *param )
 111 {
 112     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 113     intf_thread_t *p_intf = (intf_thread_t *)param;
 114     vlc_spin_lock( &p_intf->p_sys->event_lock );
 115
 116     p_intf->p_sys->i_event |= EVENT_PLAYLIST_CURRENT;
 117
 118     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 119     return VLC_SUCCESS;
 120 }
 121
 122 int activity_cb( vlc_object_t *p_this, const char *psz_var,
 123                  vlc_value_t oldval, vlc_value_t newval, void *param )
 124 {
 125     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 126     intf_thread_t *p_intf = (intf_thread_t *)param;
 127     vlc_spin_lock( &p_intf->p_sys->event_lock );
 128
 129     p_intf->p_sys->i_event |= EVENT_ACTIVITY;
 130
 131     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 132     return VLC_SUCCESS;
 133 }
 134
 135 void item_changed( intf_thread_t *p_intf )
 136 {
 137     GtkButton *p_button = GTK_BUTTON( p_intf->p_sys->p_play_button );
 138     vlc_value_t state;
 139
 140     if( !p_intf->p_sys->p_input )
 141         return;
 142
 143     var_Get( p_intf->p_sys->p_input, "state", &state );
 144
 145     // We change the "play" button
 146     if( state.i_int == PLAYING_S )
 147         gtk_button_set_image( p_button, gtk_image_new_from_stock( "vlc-pause",
 148                               GTK_ICON_SIZE_BUTTON ) );
 149     else
 150         gtk_button_set_image( p_button, gtk_image_new_from_stock( "vlc-play",
 151                               GTK_ICON_SIZE_BUTTON ) );
 152 }
 153
 154 int item_changed_cb( vlc_object_t *p_this, const char *psz_var,
 155                      vlc_value_t oldval, vlc_value_t newval, void *param )
 156 {
 157     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 158     intf_thread_t *p_intf = (intf_thread_t *)param;
 159     vlc_spin_lock( &p_intf->p_sys->event_lock );
 160
 161     p_intf->p_sys->i_event |= EVENT_ITEM_CHANGED;
 162
 163     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 164     return VLC_SUCCESS;
 165 }
 166
 167 void update_position( intf_thread_t *p_intf )
 168 {
 169     if( p_intf->p_sys->p_input )
 170     {
 171         hildon_seekbar_set_total_time( p_intf->p_sys->p_seekbar,
 172                     var_GetTime( p_intf->p_sys->p_input, "length" )/1000000 );
 173         hildon_seekbar_set_position( p_intf->p_sys->p_seekbar,
 174                     var_GetTime( p_intf->p_sys->p_input, "time" )/1000000 );
 175     }
 176 }
 177
 178 int interface_changed_cb( vlc_object_t *p_this, const char *psz_var,
 179                           vlc_value_t oldval, vlc_value_t newval, void *param )
 180 {
 181     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 182     intf_thread_t *p_intf = (intf_thread_t *)param;
 183     vlc_spin_lock( &p_intf->p_sys->event_lock );
 184
 185     p_intf->p_sys->i_event |= EVENT_INTF_CHANGED;
 186
 187     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 188     return VLC_SUCCESS;
 189 }