git.sesse.net Git - vlc/blob - modules/gui/hildon/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  *          Gildas Bazin <gbazin@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include <vlc_common.h>
  30 #include <vlc_plugin.h>
  31 #include <vlc_interface.h>
  32 #include <vlc_vout_window.h>
  33
  34 #include <hildon/hildon-program.h>
  35 #include <hildon/hildon-banner.h>
  36 #include <gtk/gtk.h>
  37 #include <gdk/gdkx.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     *Thread            ( void * );
  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 gboolean interface_ready    ( gpointer );
  57
  58 /*****************************************************************************
  59 * Module descriptor
  60 *****************************************************************************/
  61 vlc_module_begin();
  62     set_shortname( "Maemo" );
  63     set_description( N_("Maemo hildon interface") );
  64     set_category( CAT_INTERFACE );
  65     set_subcategory( SUBCAT_INTERFACE_MAIN );
  66     set_capability( "interface", 70 );
  67     set_callbacks( Open, Close );
  68     add_shortcut( "maemo" );
  69
  70     add_submodule();
  71         set_capability( "vout window xid", 50 );
  72         set_callbacks( OpenWindow, CloseWindow );
  73 vlc_module_end();
  74
  75 /*****************************************************************************
  76  * Module callbacks
  77  *****************************************************************************/
  78 static int Open( vlc_object_t *p_this )
  79 {
  80     intf_thread_t *p_intf = (intf_thread_t *)p_this;
  81     intf_sys_t *p_sys;;
  82     vlc_value_t val;
  83
  84     if( !XInitThreads() )
  85         return VLC_EGENERIC;
  86
  87     /* Allocate instance and initialize some members */
  88     p_intf->p_sys = p_sys = malloc( sizeof( intf_sys_t ) );
  89     if( p_intf->p_sys == NULL )
  90         return VLC_ENOMEM;
  91
  92     p_sys->p_playlist = pl_Get( p_intf );
  93     p_sys->p_input = NULL;
  94
  95     p_sys->p_main_window = NULL;
  96     p_sys->p_video_window = NULL;
  97     p_sys->p_control_window = NULL;
  98     p_sys->b_fullscreen = false;
  99
 100     vlc_spin_init( &p_sys->event_lock );
 101
 102     /* Create separate thread for main interface */
 103     vlc_sem_init (&p_sys->ready, 0);
 104     if( vlc_clone( &p_sys->thread, Thread, p_intf, VLC_THREAD_PRIORITY_LOW ) )
 105     {
 106         free (p_sys);
 107         return VLC_ENOMEM;
 108     }
 109
 110     /* Wait for interface thread to be fully initialised */
 111     vlc_sem_wait (&p_sys->ready);
 112     vlc_sem_destroy (&p_sys->ready);
 113
 114     var_Create (p_this->p_libvlc, "hildon-iface", VLC_VAR_ADDRESS);
 115     val.p_address = p_this;
 116     var_Set (p_this->p_libvlc, "hildon-iface", val);
 117
 118     return VLC_SUCCESS;
 119 }
 120
 121 static void Close( vlc_object_t *p_this )
 122 {
 123     intf_thread_t *p_intf = (intf_thread_t *)p_this;
 124
 125     var_Destroy (p_this->p_libvlc, "hildon-iface");
 126     vlc_join (p_intf->p_sys->thread, NULL);
 127     vlc_spin_destroy( &p_intf->p_sys->event_lock );
 128     free( p_intf->p_sys );
 129 }
 130
 131 static gint quit_event( GtkWidget *widget, GdkEvent *event, gpointer data )
 132 {
 133     intf_thread_t *p_intf = (intf_thread_t *)data;
 134     (void)widget; (void)event;
 135     libvlc_Quit( p_intf->p_libvlc );
 136     return TRUE;
 137 }
 138
 139 /*****************************************************************************
 140 * Initialize and launch the interface
 141 *****************************************************************************/
 142 static void *Thread( void *obj )
 143 {
 144     intf_thread_t *p_intf = (intf_thread_t *)obj;
 145     const char *p_args[] = { "vlc", "--sync" };
 146     int i_args = sizeof(p_args)/sizeof(char *);
 147     char **pp_args  = (char **)p_args;
 148
 149     HildonProgram *program;
 150     HildonWindow *window;
 151     GtkWidget *main_vbox;
 152
 153     GtkWidget *video;
 154     GtkWidget *bottom_hbox;
 155     GtkWidget *play_button;
 156     GtkWidget *prev_button;
 157     GtkWidget *next_button;
 158     GtkWidget *stop_button;
 159     GtkWidget *playlist_button;
 160     GtkWidget *seekbar;
 161
 162     gtk_init( &i_args, &pp_args );
 163
 164     program = HILDON_PROGRAM( hildon_program_get_instance() );
 165     g_set_application_name( "VLC Media Player" );
 166
 167     window = HILDON_WINDOW( hildon_window_new() );
 168     hildon_program_add_window( program, window );
 169     gtk_object_set_data( GTK_OBJECT( window ), "p_intf", p_intf );
 170     p_intf->p_sys->p_main_window = window;
 171
 172     g_signal_connect( GTK_WIDGET(window), "key-press-event",
 173                       G_CALLBACK( key_cb ), p_intf );
 174     g_signal_connect (GTK_WIDGET(window), "delete_event",
 175                       GTK_SIGNAL_FUNC( quit_event), p_intf );
 176
 177     // A little theming
 178     char *psz_rc_file = NULL;
 179     char *psz_data = config_GetDataDir( p_intf );
 180     if( asprintf( &psz_rc_file, "%s/maemo/vlc_intf.rc", psz_data ) != -1 )
 181     {
 182         gtk_rc_parse( psz_rc_file );
 183         free( psz_rc_file );
 184     }
 185     free( psz_data );
 186
 187     // We create the main vertical box
 188     main_vbox = gtk_vbox_new( FALSE, 0 );
 189     gtk_container_add( GTK_CONTAINER( window ), main_vbox );
 190
 191     // We put first the embedded video
 192     video = gtk_event_box_new();
 193     GdkColor black = {0,0,0,0};
 194     gtk_widget_modify_bg(video, GTK_STATE_NORMAL, &black);
 195     p_intf->p_sys->p_video_window = video;
 196     gtk_box_pack_start( GTK_BOX( main_vbox ), video, TRUE, TRUE, 0 );
 197
 198     create_playlist( p_intf );
 199     gtk_box_pack_start( GTK_BOX( main_vbox ), p_intf->p_sys->p_playlist_window, TRUE, TRUE, 0 );
 200
 201     // We put the horizontal box which contains all the buttons
 202     p_intf->p_sys->p_control_window = bottom_hbox = gtk_hbox_new( FALSE, 0 );
 203
 204     // We create the buttons
 205     play_button = gtk_button_new();
 206     gtk_button_set_image( GTK_BUTTON( play_button ),
 207                    gtk_image_new_from_stock( "vlc-play", GTK_ICON_SIZE_BUTTON ) );
 208     p_intf->p_sys->p_play_button = play_button;
 209     stop_button = gtk_button_new();
 210     gtk_button_set_image( GTK_BUTTON( stop_button ),
 211                           gtk_image_new_from_stock( "vlc-stop", GTK_ICON_SIZE_BUTTON ) );
 212     prev_button = gtk_button_new();
 213     gtk_button_set_image( GTK_BUTTON( prev_button ),
 214                       gtk_image_new_from_stock( "vlc-previous", GTK_ICON_SIZE_BUTTON ) );
 215     next_button = gtk_button_new();
 216     gtk_button_set_image( GTK_BUTTON( next_button ),
 217                       gtk_image_new_from_stock( "vlc-next", GTK_ICON_SIZE_BUTTON ) );
 218     playlist_button = gtk_button_new();
 219     gtk_button_set_image( GTK_BUTTON( playlist_button ),
 220                           gtk_image_new_from_stock( "vlc-playlist", GTK_ICON_SIZE_BUTTON ) );
 221     seekbar = hildon_seekbar_new();
 222     p_intf->p_sys->p_seekbar = HILDON_SEEKBAR( seekbar );
 223
 224     // We add them to the hbox
 225     gtk_box_pack_start( GTK_BOX( bottom_hbox ), play_button, FALSE, FALSE, 0 );
 226     gtk_box_pack_start( GTK_BOX( bottom_hbox ), stop_button, FALSE, FALSE, 0 );
 227     gtk_box_pack_start( GTK_BOX( bottom_hbox ), prev_button, FALSE, FALSE, 0 );
 228     gtk_box_pack_start( GTK_BOX( bottom_hbox ), next_button, FALSE, FALSE, 0 );
 229     gtk_box_pack_start( GTK_BOX( bottom_hbox ), playlist_button, FALSE, FALSE, 0 );
 230     gtk_box_pack_start( GTK_BOX( bottom_hbox ), seekbar    , TRUE , TRUE , 5 );
 231     // We add the hbox to the main vbox
 232     gtk_box_pack_start( GTK_BOX( main_vbox ), bottom_hbox, FALSE, FALSE, 0 );
 233
 234     g_signal_connect( window, "delete_event",
 235                       G_CALLBACK( delete_event_cb ), NULL );
 236     g_signal_connect( play_button, "clicked", G_CALLBACK( play_cb ), NULL );
 237     g_signal_connect( stop_button, "clicked", G_CALLBACK( stop_cb ), NULL );
 238     g_signal_connect( prev_button, "clicked", G_CALLBACK( prev_cb ), NULL );
 239     g_signal_connect( next_button, "clicked", G_CALLBACK( next_cb ), NULL );
 240     g_signal_connect( playlist_button, "clicked", G_CALLBACK( playlist_cb ), NULL );
 241     g_signal_connect( seekbar, "change-value",
 242                       G_CALLBACK( seekbar_changed_cb ), NULL );
 243
 244     gtk_widget_show_all( GTK_WIDGET( window ) );
 245     gtk_widget_hide_all( p_intf->p_sys->p_playlist_window );
 246
 247     create_menu( p_intf );
 248
 249 #if 1
 250     /* HACK: Only one X11 client can subscribe to mouse button press events.
 251      * VLC currently handles those in the video display.
 252      * Force GTK to unsubscribe from mouse press and release events. */
 253     Display *dpy = GDK_WINDOW_XDISPLAY( gtk_widget_get_window(p_intf->p_sys->p_video_window) );
 254     Window w = GDK_WINDOW_XID( gtk_widget_get_window(p_intf->p_sys->p_video_window) );
 255     XWindowAttributes attr;
 256
 257     XGetWindowAttributes( dpy, w, &attr );
 258     attr.your_event_mask &= ~(ButtonPressMask|ButtonReleaseMask);
 259     XSelectInput( dpy, w, attr.your_event_mask );
 260 #endif
 261
 262     // Set callback with the vlc core
 263     g_timeout_add( 1000 /* miliseconds */, should_die, p_intf );
 264     var_AddCallback( p_intf->p_sys->p_playlist, "item-change",
 265                      item_changed_cb, p_intf );
 266     var_AddCallback( p_intf->p_sys->p_playlist, "item-current",
 267                      playlist_current_cb, p_intf );
 268     var_AddCallback( p_intf->p_sys->p_playlist, "activity",
 269                      activity_cb, p_intf );
 270
 271     // The embedded video is only ready after gtk_main and windows are shown
 272     g_idle_add( interface_ready, p_intf );
 273
 274     gtk_main();
 275
 276     delete_input( p_intf );
 277     var_DelCallback( p_intf->p_sys->p_playlist, "item-change",
 278                      item_changed_cb, p_intf );
 279     var_DelCallback( p_intf->p_sys->p_playlist, "item-current",
 280                      playlist_current_cb, p_intf );
 281     var_DelCallback( p_intf->p_sys->p_playlist, "activity",
 282                      activity_cb, p_intf );
 283
 284     gtk_object_destroy( GTK_OBJECT( window ) );
 285
 286     return NULL;
 287 }
 288
 289 static gboolean should_die( gpointer data )
 290 {
 291     intf_thread_t *p_intf = (intf_thread_t *)data;
 292     if( !vlc_object_alive( p_intf ) )
 293         gtk_main_quit();
 294     return TRUE;
 295 }
 296
 297 /**
 298 * Video output window provider
 299 */
 300 static int OpenWindow (vlc_object_t *p_obj)
 301 {
 302     vout_window_t *p_wnd = (vout_window_t *)p_obj;
 303     intf_thread_t *p_intf;
 304     vlc_value_t val;
 305
 306     if (p_wnd->cfg->is_standalone)
 307         return VLC_EGENERIC;
 308
 309     if( var_Get( p_obj->p_libvlc, "hildon-iface", &val ) )
 310         val.p_address = NULL;
 311
 312     p_intf = (intf_thread_t *)val.p_address;
 313     if( !p_intf )
 314     {   /* If another interface is used, this plugin cannot work */
 315         msg_Dbg( p_obj, "Hildon interface not found" );
 316         return VLC_EGENERIC;
 317     }
 318
 319     p_wnd->handle.xid = p_intf->p_sys->xid;
 320
 321     if (!p_wnd->handle.xid)
 322         return VLC_EGENERIC;
 323
 324     p_wnd->control = ControlWindow;
 325     p_wnd->sys = (vout_window_sys_t*)p_intf;
 326
 327     return VLC_SUCCESS;
 328 }
 329
 330 static int ControlWindow (vout_window_t *p_wnd, int query, va_list args)
 331 {
 332     intf_thread_t *p_intf = (intf_thread_t *)p_wnd->sys;
 333
 334     switch( query )
 335     {
 336     case VOUT_WINDOW_SET_SIZE:
 337     {
 338         int i_width  = (int)va_arg( args, int );
 339         int i_height = (int)va_arg( args, int );
 340
 341         int i_current_w, i_current_h;
 342         gdk_drawable_get_size( GDK_DRAWABLE( p_intf->p_sys->p_video_window ),
 343                                &i_current_w, &i_current_h );
 344         if( i_width != i_current_w || i_height != i_current_h )
 345             return VLC_EGENERIC;
 346         return VLC_SUCCESS;
 347     }
 348     case VOUT_WINDOW_SET_FULLSCREEN:
 349     {
 350         bool b_fs = va_arg( args, int );
 351         p_intf->p_sys->b_fullscreen = b_fs;
 352         g_idle_add( fullscreen_cb, p_intf );
 353         return VLC_SUCCESS;
 354     }
 355     default:
 356         return VLC_EGENERIC;
 357     }
 358 }
 359
 360 static void CloseWindow (vlc_object_t *p_obj)
 361 {
 362     vout_window_t *p_wnd = (vout_window_t *)p_obj;
 363     intf_thread_t *p_intf = (intf_thread_t *)p_wnd->sys;
 364
 365     if( p_intf->p_sys->b_fullscreen )
 366     {
 367         p_intf->p_sys->b_fullscreen = false;
 368         g_idle_add( fullscreen_cb, p_intf );
 369     }
 370 }
 371
 372 static gboolean interface_ready( gpointer data )
 373 {
 374     intf_thread_t *p_intf = (intf_thread_t *)data;
 375
 376     p_intf->p_sys->xid =
 377         GDK_WINDOW_XID( gtk_widget_get_window(p_intf->p_sys->p_video_window) );
 378
 379     // Refresh playlist
 380     post_event( p_intf, EVENT_PLAYLIST_CURRENT );
 381
 382     // Everything is initialised
 383     vlc_sem_post (&p_intf->p_sys->ready);
 384
 385     // We want it to be executed only one time
 386     return FALSE;
 387 }