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 static int input_event_cb( vlc_object_t *p_this, const char *psz_var,
  34                            vlc_value_t oldval, vlc_value_t newval, void *param );
  35
  36
  37 gboolean process_events( gpointer data )
  38 {
  39     intf_thread_t *p_intf = (intf_thread_t *)data;
  40     vlc_spin_lock( &p_intf->p_sys->event_lock );
  41
  42     int i_event = p_intf->p_sys->i_event;
  43     p_intf->p_sys->i_event = 0;
  44
  45     vlc_spin_unlock( &p_intf->p_sys->event_lock );
  46     if( i_event )
  47     {
  48         if( i_event & EVENT_PLAYLIST_CURRENT )
  49             item_changed_pl( p_intf );
  50         if( i_event & EVENT_ACTIVITY )
  51             item_changed_pl( p_intf );
  52         if( i_event & EVENT_ITEM_CHANGED )
  53             item_changed( p_intf );
  54         if( i_event & EVENT_INTF_CHANGED )
  55             update_position( p_intf );
  56     }
  57
  58     return TRUE;
  59 }
  60
  61 void set_input( intf_thread_t *p_intf, input_thread_t *p_input )
  62 {
  63     if( p_input && !( p_input->b_die || p_input->b_dead ) )
  64     {
  65         p_intf->p_sys->p_input = p_input;
  66         vlc_object_hold( p_input );
  67         var_AddCallback( p_input, "intf-event", input_event_cb, p_intf );
  68
  69         // "Activate" the seekbar
  70         gtk_widget_set_sensitive( GTK_WIDGET( p_intf->p_sys->p_seekbar ), TRUE );
  71     }
  72     else
  73         p_intf->p_sys->p_input = NULL;
  74 }
  75
  76 void delete_input( intf_thread_t *p_intf )
  77 {
  78     if( p_intf->p_sys->p_input )
  79     {
  80         var_DelCallback( p_intf->p_sys->p_input, "intf-event",
  81                          input_event_cb, p_intf );
  82         vlc_object_release( p_intf->p_sys->p_input );
  83         p_intf->p_sys->p_input = NULL;
  84
  85         // Reset the seekbar
  86         hildon_seekbar_set_position( p_intf->p_sys->p_seekbar, 0 );
  87         gtk_widget_set_sensitive( GTK_WIDGET( p_intf->p_sys->p_seekbar ), FALSE );
  88     }
  89 }
  90
  91 void item_changed_pl( intf_thread_t *p_intf )
  92 {
  93     vlc_mutex_lock( &p_intf->change_lock );
  94     if( p_intf->p_sys->p_input &&
  95         ( p_intf->p_sys->p_input->b_dead || p_intf->p_sys->p_input->b_die ) )
  96     {
  97         delete_input( p_intf );
  98         vlc_mutex_unlock( &p_intf->change_lock );
  99         return;
 100     }
 101
 102     if( !p_intf->p_sys->p_input )
 103     {
 104         set_input( p_intf, playlist_CurrentInput( p_intf->p_sys->p_playlist ) );
 105     }
 106     vlc_mutex_unlock( &p_intf->change_lock );
 107     return;
 108 }
 109
 110 int playlist_current_cb( vlc_object_t *p_this, const char *psz_var,
 111                          vlc_value_t oldval, vlc_value_t newval, void *param )
 112 {
 113     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 114     intf_thread_t *p_intf = (intf_thread_t *)param;
 115     vlc_spin_lock( &p_intf->p_sys->event_lock );
 116
 117     p_intf->p_sys->i_event |= EVENT_PLAYLIST_CURRENT;
 118
 119     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 120     return VLC_SUCCESS;
 121 }
 122
 123 int activity_cb( vlc_object_t *p_this, const char *psz_var,
 124                  vlc_value_t oldval, vlc_value_t newval, void *param )
 125 {
 126     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 127     intf_thread_t *p_intf = (intf_thread_t *)param;
 128     vlc_spin_lock( &p_intf->p_sys->event_lock );
 129
 130     p_intf->p_sys->i_event |= EVENT_ACTIVITY;
 131
 132     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 133     return VLC_SUCCESS;
 134 }
 135
 136 void item_changed( intf_thread_t *p_intf )
 137 {
 138     GtkButton *p_button = GTK_BUTTON( p_intf->p_sys->p_play_button );
 139     vlc_value_t state;
 140
 141     if( !p_intf->p_sys->p_input )
 142         return;
 143
 144     var_Get( p_intf->p_sys->p_input, "state", &state );
 145
 146     // We change the "play" button
 147     if( state.i_int == PLAYING_S )
 148         gtk_button_set_image( p_button, gtk_image_new_from_stock( "vlc-pause",
 149                               GTK_ICON_SIZE_BUTTON ) );
 150     else
 151         gtk_button_set_image( p_button, gtk_image_new_from_stock( "vlc-play",
 152                               GTK_ICON_SIZE_BUTTON ) );
 153 }
 154
 155 int item_changed_cb( vlc_object_t *p_this, const char *psz_var,
 156                      vlc_value_t oldval, vlc_value_t newval, void *param )
 157 {
 158     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 159     intf_thread_t *p_intf = (intf_thread_t *)param;
 160     vlc_spin_lock( &p_intf->p_sys->event_lock );
 161
 162     p_intf->p_sys->i_event |= EVENT_ITEM_CHANGED;
 163
 164     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 165     return VLC_SUCCESS;
 166 }
 167
 168 void update_position( intf_thread_t *p_intf )
 169 {
 170     if( p_intf->p_sys->p_input )
 171     {
 172         hildon_seekbar_set_total_time( p_intf->p_sys->p_seekbar,
 173                     var_GetTime( p_intf->p_sys->p_input, "length" )/1000000 );
 174         hildon_seekbar_set_position( p_intf->p_sys->p_seekbar,
 175                     var_GetTime( p_intf->p_sys->p_input, "time" )/1000000 );
 176     }
 177 }
 178
 179 int interface_changed_cb( vlc_object_t *p_this, const char *psz_var,
 180                           vlc_value_t oldval, vlc_value_t newval, void *param )
 181 {
 182     (void)p_this; (void)psz_var; (void)oldval; (void)newval;
 183     intf_thread_t *p_intf = (intf_thread_t *)param;
 184     vlc_spin_lock( &p_intf->p_sys->event_lock );
 185
 186     p_intf->p_sys->i_event |= EVENT_INTF_CHANGED;
 187
 188     vlc_spin_unlock( &p_intf->p_sys->event_lock );
 189     return VLC_SUCCESS;
 190 }
 191
 192 static int input_event_cb( vlc_object_t *p_this, const char *psz_var,
 193                            vlc_value_t oldval, vlc_value_t newval, void *param )
 194 {
 195     if( newval.i_int == INPUT_EVENT_STATE )
 196         return item_changed_cb( p_this, psz_var, oldval, newval, param );
 197     else
 198         return interface_changed_cb( p_this, psz_var, oldval, newval, param );
 199 }
 200