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

   1 /*****************************************************************************
   2 * maemo.c : Maemo plugin for VLC
   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 <assert.h>
  29
  30 #include <vlc_common.h>
  31 #include <vlc_plugin.h>
  32 #include <vlc_interface.h>
  33 #include <vlc_vout_window.h>
  34
  35 #include <hildon/hildon-program.h>
  36 #include <hildon/hildon-banner.h>
  37 #include <gtk/gtk.h>
  38 #include <stdio.h>
  39 #include <inttypes.h>
  40
  41 #include "maemo.h"
  42 #include "maemo_callbacks.h"
  43 #include "maemo_input.h"
  44 #include "maemo_interface.h"
  45
  46 /*****************************************************************************
  47  * Local prototypes.
  48  *****************************************************************************/
  49 static int      Open               ( vlc_object_t * );
  50 static void     Close              ( vlc_object_t * );
  51 static void     Run                ( intf_thread_t * );
  52 static gboolean should_die         ( gpointer );
  53 static int      OpenWindow         ( vlc_object_t * );
  54 static void     CloseWindow        ( vlc_object_t * );
  55 static int      ControlWindow      ( vout_window_t *, int, va_list );
  56 static uint32_t request_video      ( intf_thread_t *, vout_thread_t * );
  57 static void     release_video      ( intf_thread_t * );
  58 static gboolean video_widget_ready ( gpointer data );
  59
  60 /*****************************************************************************
  61 * Module descriptor
  62 *****************************************************************************/
  63 vlc_module_begin();
  64     set_shortname( "Maemo" );
  65     set_description( N_("Maemo hildon interface") );
  66     set_category( CAT_INTERFACE );
  67     set_subcategory( SUBCAT_INTERFACE_MAIN );
  68     set_capability( "interface", 70 );
  69     set_callbacks( Open, Close );
  70     add_shortcut( "maemo" );
  71
  72     add_submodule();
  73         set_capability( "vout window xid", 50 );
  74         set_callbacks( OpenWindow, CloseWindow );
  75 vlc_module_end();
  76
  77 /*****************************************************************************
  78  * Module callbacks
  79  *****************************************************************************/
  80 static int Open( vlc_object_t *p_this )
  81 {
  82     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  83
  84     /* Allocate instance and initialize some members */
  85     p_intf->p_sys = malloc( sizeof( intf_sys_t ) );
  86     if( p_intf->p_sys == NULL )
  87         return VLC_ENOMEM;
  88
  89     p_intf->pf_run = Run;
  90
  91     p_intf->p_sys->p_playlist = pl_Hold( p_intf );
  92     p_intf->p_sys->p_input = NULL;
  93     p_intf->p_sys->p_vout = NULL;
  94
  95     p_intf->p_sys->p_main_window = NULL;
  96     p_intf->p_sys->p_video_window = NULL;
  97
  98     vlc_spin_init( &p_intf->p_sys->event_lock );
  99     vlc_mutex_init( &p_intf->p_sys->p_video_mutex );
 100     vlc_cond_init( &p_intf->p_sys->p_video_cond );
 101
 102     return VLC_SUCCESS;
 103 }
 104
 105 static void Close( vlc_object_t *p_this )
 106 {
 107     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 108
 109     vlc_object_release( p_intf->p_sys->p_playlist );
 110
 111     vlc_spin_destroy( &p_intf->p_sys->event_lock );
 112
 113     /* Destroy structure */
 114     free( p_intf->p_sys );
 115 }
 116
 117 /*****************************************************************************
 118 * Initialize and launch the interface
 119 *****************************************************************************/
 120 static void Run( intf_thread_t *p_intf )
 121 {
 122     char  *p_args[] = { (char *)"vlc", NULL };
 123     char **pp_args  = p_args;
 124     int    i_args   = 1;
 125
 126     HildonProgram *program;
 127     HildonWindow *window;
 128     GtkWidget *main_vbox;
 129
 130     GtkWidget *tabs;
 131     GtkWidget *video;
 132     GtkWidget *bottom_hbox;
 133     GtkWidget *play_button;
 134     GtkWidget *prev_button;
 135     GtkWidget *next_button;
 136     GtkWidget *stop_button;
 137     GtkWidget *seekbar;
 138
 139     gtk_init( &i_args, &pp_args );
 140
 141     program = HILDON_PROGRAM( hildon_program_get_instance() );
 142     g_set_application_name( "VLC Media Player" );
 143
 144     window = HILDON_WINDOW( hildon_window_new() );
 145     hildon_program_add_window( program, window );
 146     gtk_object_set_data( GTK_OBJECT( window ),
 147                          "p_intf", p_intf );
 148     p_intf->p_sys->p_main_window = window;
 149
 150     // A little theming
 151     char *psz_rc_file = NULL;
 152     if( asprintf( &psz_rc_file, "%s/maemo/vlc_intf.rc",
 153                   config_GetDataDir() ) != -1 )
 154     {
 155         gtk_rc_parse( psz_rc_file );
 156         free( psz_rc_file );
 157     }
 158
 159     // We create the main vertical box
 160     main_vbox = gtk_vbox_new( FALSE, 0 );
 161     gtk_container_add( GTK_CONTAINER( window ), main_vbox );
 162
 163     tabs = gtk_notebook_new();
 164     p_intf->p_sys->p_tabs = tabs;
 165     gtk_notebook_set_tab_pos( GTK_NOTEBOOK( tabs ), GTK_POS_LEFT );
 166     gtk_notebook_set_show_border( GTK_NOTEBOOK( tabs ), FALSE );
 167     gtk_box_pack_start( GTK_BOX( main_vbox ), tabs, TRUE, TRUE, 0 );
 168
 169     // We put first the embedded video
 170     video = gtk_event_box_new();
 171     gtk_notebook_append_page( GTK_NOTEBOOK( tabs ),
 172                 video,
 173                 gtk_image_new_from_stock( "vlc",
 174                                           GTK_ICON_SIZE_DIALOG ) );
 175     gtk_notebook_set_tab_label_packing( GTK_NOTEBOOK( tabs ),
 176                                         video,
 177                                         FALSE, FALSE, 0 );
 178     create_playlist( p_intf );
 179
 180     // We put the horizontal box which contains all the buttons
 181     bottom_hbox = gtk_hbox_new( FALSE, 0 );
 182
 183     // We create the buttons
 184     play_button = gtk_button_new();
 185     gtk_button_set_image( GTK_BUTTON( play_button ),
 186                    gtk_image_new_from_stock( "vlc-play", GTK_ICON_SIZE_BUTTON ) );
 187     gtk_widget_set_size_request( play_button, 60, 60);
 188     p_intf->p_sys->p_play_button = play_button;
 189     stop_button = gtk_button_new();
 190     gtk_button_set_image( GTK_BUTTON( stop_button ),
 191                           gtk_image_new_from_stock( "vlc-stop", GTK_ICON_SIZE_BUTTON ) );
 192     prev_button = gtk_button_new();
 193     gtk_button_set_image( GTK_BUTTON( prev_button ),
 194                       gtk_image_new_from_stock( "vlc-previous", GTK_ICON_SIZE_BUTTON ) );
 195     next_button = gtk_button_new();
 196     gtk_button_set_image( GTK_BUTTON( next_button ),
 197                       gtk_image_new_from_stock( "vlc-next", GTK_ICON_SIZE_BUTTON ) );
 198     seekbar = hildon_seekbar_new();
 199     p_intf->p_sys->p_seekbar = HILDON_SEEKBAR( seekbar );
 200
 201     // We add them to the hbox
 202     gtk_box_pack_start( GTK_BOX( bottom_hbox ), play_button, FALSE, FALSE, 5 );
 203     gtk_box_pack_start( GTK_BOX( bottom_hbox ), stop_button, FALSE, FALSE, 0 );
 204     gtk_box_pack_start( GTK_BOX( bottom_hbox ), prev_button, FALSE, FALSE, 0 );
 205     gtk_box_pack_start( GTK_BOX( bottom_hbox ), next_button, FALSE, FALSE, 0 );
 206     gtk_box_pack_start( GTK_BOX( bottom_hbox ), seekbar    , TRUE , TRUE , 5 );
 207     // We add the hbox to the main vbox
 208     gtk_box_pack_start( GTK_BOX( main_vbox ), bottom_hbox, FALSE, FALSE, 0 );
 209
 210     g_signal_connect( window, "delete_event",
 211                       G_CALLBACK( delete_event_cb ), NULL );
 212     g_signal_connect( play_button, "clicked", G_CALLBACK( play_cb ), NULL );
 213     g_signal_connect( stop_button, "clicked", G_CALLBACK( stop_cb ), NULL );
 214     g_signal_connect( prev_button, "clicked", G_CALLBACK( prev_cb ), NULL );
 215     g_signal_connect( next_button, "clicked", G_CALLBACK( next_cb ), NULL );
 216     g_signal_connect( seekbar, "change-value",
 217                       G_CALLBACK( seekbar_changed_cb ), NULL );
 218
 219     gtk_widget_show_all( GTK_WIDGET( window ) );
 220
 221     create_menu( p_intf );
 222
 223     // Set callback with the vlc core
 224     g_timeout_add( INTF_IDLE_SLEEP / 1000, process_events, p_intf );
 225     g_timeout_add( 150 /* miliseconds */, should_die, p_intf );
 226     var_AddCallback( p_intf->p_sys->p_playlist, "item-change",
 227                      item_changed_cb, p_intf );
 228     var_AddCallback( p_intf->p_sys->p_playlist, "item-current",
 229                      playlist_current_cb, p_intf );
 230     var_AddCallback( p_intf->p_sys->p_playlist, "activity",
 231                      activity_cb, p_intf );
 232
 233     // Look if the playlist is already started
 234     item_changed_pl( p_intf );
 235
 236     // The embedded video is only ready after gtk_main and windows are shown
 237     g_idle_add( video_widget_ready, video );
 238
 239     gtk_main();
 240
 241     delete_input( p_intf );
 242     var_DelCallback( p_intf->p_sys->p_playlist, "item-change",
 243                      item_changed_cb, p_intf );
 244     var_DelCallback( p_intf->p_sys->p_playlist, "item-current",
 245                      playlist_current_cb, p_intf );
 246     var_DelCallback( p_intf->p_sys->p_playlist, "activity",
 247                      activity_cb, p_intf );
 248
 249     assert( !p_intf->p_sys->p_vout ); /* too late */
 250     gtk_object_destroy( GTK_OBJECT( window ) );
 251 }
 252
 253 static gboolean should_die( gpointer data )
 254 {
 255     intf_thread_t *p_intf = (intf_thread_t *)data;
 256     if( !vlc_object_alive( p_intf ) )
 257         gtk_main_quit();
 258     return TRUE;
 259 }
 260
 261 /**
 262 * Video output window provider
 263 */
 264 static int OpenWindow (vlc_object_t *obj)
 265 {
 266     vout_window_t *wnd = (vout_window_t *)obj;
 267
 268     if (wnd->cfg->is_standalone)
 269         return VLC_EGENERIC;
 270
 271     intf_thread_t *intf = (intf_thread_t*)vlc_object_find_name (obj, "maemo", FIND_ANYWHERE);
 272     if (intf == NULL)
 273     {
 274         msg_Err( obj, "Maemo interface not found" );
 275         return VLC_EGENERIC; /* Maemo not in use */
 276     }
 277
 278     /* FIXME it should NOT be needed */
 279     vout_thread_t *vout = vlc_object_find (obj, VLC_OBJECT_VOUT, FIND_PARENT);
 280
 281     wnd->handle.xid = request_video( intf, vout );
 282     if (!wnd->handle.xid)
 283     {
 284         vlc_object_release( vout );
 285         return VLC_EGENERIC;
 286     }
 287     vlc_object_release( vout );
 288
 289     msg_Dbg( intf, "Using handle %"PRIu32, wnd->handle.xid );
 290
 291     wnd->control = ControlWindow;
 292     wnd->sys = (vout_window_sys_t*)intf;
 293
 294     return VLC_SUCCESS;
 295 }
 296
 297 static int ControlWindow (vout_window_t *wnd, int query, va_list args)
 298 {
 299     intf_thread_t *intf = (intf_thread_t *)wnd->sys;
 300
 301     switch( query )
 302     {
 303     case VOUT_WINDOW_SET_SIZE:
 304     {
 305         int i_width  = (int)va_arg( args, int );
 306         int i_height = (int)va_arg( args, int );
 307
 308         int i_current_w, i_current_h;
 309         gdk_drawable_get_size( GDK_DRAWABLE( intf->p_sys->p_video_window->window ),
 310                                &i_current_w, &i_current_h );
 311         if( i_width != i_current_w || i_height != i_current_h )
 312             return VLC_EGENERIC;
 313         return VLC_SUCCESS;
 314     }
 315     default:
 316         return VLC_EGENERIC;
 317     }
 318 }
 319
 320 static void CloseWindow (vlc_object_t *obj)
 321 {
 322     vout_window_t *wnd = (vout_window_t *)obj;
 323     intf_thread_t *intf = (intf_thread_t *)wnd->sys;
 324
 325     release_video( intf );
 326     vlc_object_release (intf);
 327 }
 328
 329 static uint32_t request_video( intf_thread_t *p_intf, vout_thread_t *p_nvout )
 330 {
 331     if( p_intf->p_sys->p_vout )
 332     {
 333         msg_Dbg( p_intf, "Embedded video already in use" );
 334         return 0;
 335     }
 336
 337     vlc_mutex_lock( &p_intf->p_sys->p_video_mutex );
 338     mutex_cleanup_push( &p_intf->p_sys->p_video_mutex );
 339
 340     // We wait until the p_video_window is set
 341     while( p_intf->p_sys->p_video_window == NULL )
 342         vlc_cond_wait( &p_intf->p_sys->p_video_cond,
 343                        &p_intf->p_sys->p_video_mutex );
 344
 345     vlc_cleanup_run();
 346
 347     p_intf->p_sys->p_vout = vlc_object_hold( p_nvout );
 348     return GDK_WINDOW_XID( p_intf->p_sys->p_video_window->window );
 349 }
 350
 351 static void release_video( intf_thread_t *p_intf )
 352 {
 353     msg_Dbg( p_intf, "Releasing embedded video" );
 354
 355     vlc_object_release( p_intf->p_sys->p_vout );
 356     p_intf->p_sys->p_vout = NULL;
 357 }
 358
 359 static gboolean video_widget_ready( gpointer data )
 360 {
 361     intf_thread_t *p_intf = NULL;
 362     GtkWidget *top_window = NULL;
 363     GtkWidget *video = (GtkWidget *)data;
 364
 365     top_window = gtk_widget_get_toplevel( GTK_WIDGET( video ) );
 366     p_intf = (intf_thread_t *)gtk_object_get_data( GTK_OBJECT( top_window ),
 367                                                    "p_intf" );
 368     p_intf->p_sys->p_video_window = video;
 369     gtk_widget_grab_focus( video );
 370
 371     vlc_cond_signal( &p_intf->p_sys->p_video_cond );
 372
 373     // We rewind the input
 374     if( p_intf->p_sys->p_input )
 375     {
 376         input_Control( p_intf->p_sys->p_input, INPUT_SET_POSITION, 0.0 );
 377     }
 378
 379     // We want it to be executed only one time
 380     return FALSE;
 381 }