src/video_output/window.c

   1 /*****************************************************************************
   2  * window.c: "vout window" managment
   3  *****************************************************************************
   4  * Copyright (C) 2009 Laurent Aimar
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ 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 /*****************************************************************************
  25  * Preamble
  26  *****************************************************************************/
  27 #ifdef HAVE_CONFIG_H
  28 # include "config.h"
  29 #endif
  30 #include <assert.h>
  31
  32 #include <vlc_common.h>
  33 #include <vlc_vout_window.h>
  34 #include "inhibit.h"
  35 #include <libvlc.h>
  36
  37 typedef struct
  38 {
  39     vout_window_t wnd;
  40     module_t *module;
  41     vlc_inhibit_t *inhibit;
  42 } window_t;
  43
  44 vout_window_t *vout_window_New(vlc_object_t *obj,
  45                                const char *module,
  46                                const vout_window_cfg_t *cfg)
  47 {
  48     static char const name[] = "window";
  49     window_t *w = vlc_custom_create(obj, sizeof(*w), VLC_OBJECT_GENERIC, name);
  50     vout_window_t *window = &w->wnd;
  51
  52     window->cfg = cfg;
  53     memset(&window->handle, 0, sizeof(window->handle));
  54     window->control = NULL;
  55     window->sys = NULL;
  56
  57     vlc_object_attach(window, obj);
  58
  59     const char *type;
  60     switch (cfg->type) {
  61     case VOUT_WINDOW_TYPE_HWND:
  62         type = "vout window hwnd";
  63         break;
  64     case VOUT_WINDOW_TYPE_XID:
  65         type = "vout window xid";
  66         break;
  67     default:
  68         assert(0);
  69     }
  70
  71     w->module = module_need(window, type, module, module && *module != '\0');
  72     if (!w->module) {
  73         vlc_object_detach(window);
  74         vlc_object_release(window);
  75         return NULL;
  76     }
  77
  78     /* Hook for screensaver inhibition */
  79     if (cfg->type == VOUT_WINDOW_TYPE_XID) {
  80         w->inhibit = vlc_inhibit_Create (VLC_OBJECT (window),
  81                                          window->handle.xid);
  82         if (w->inhibit != NULL)
  83             vlc_inhibit_Set (w->inhibit, true);
  84             /* FIXME: ^ wait for vout activation, pause */
  85     }
  86     else
  87         w->inhibit = NULL;
  88     return window;
  89 }
  90
  91 void vout_window_Delete(vout_window_t *window)
  92 {
  93     if (!window)
  94         return;
  95
  96     window_t *w = (window_t *)window;
  97     if (w->inhibit)
  98         vlc_inhibit_Destroy (w->inhibit);
  99     vlc_object_detach(window);
 100
 101     module_unneed(window, w->module);
 102
 103     vlc_object_release(window);
 104 }
 105
 106 int vout_window_Control(vout_window_t *window, int query, ...)
 107 {
 108     va_list args;
 109     va_start(args, query);
 110     int ret = window->control(window, query, args);
 111     va_end(args);
 112
 113     return ret;
 114 }
 115