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path: root/src/lib/ecore_wl2/ecore_wl2_surface.c
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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include "ecore_wl2_private.h"

#include <sys/types.h>
#include <sys/stat.h>

static Eina_List *_smanagers = NULL;
static int _smanager_count = 0;

EAPI void
ecore_wl2_surface_destroy(Ecore_Wl2_Surface *surface)
{
   EINA_SAFETY_ON_NULL_RETURN(surface);

   ecore_event_handler_del(surface->offscreen_handler);
   surface->funcs->destroy(surface, surface->private_data);
   surface->wl2_win->wl2_surface = NULL;
   surface->wl2_win = NULL;

   free(surface);
   /* We took a reference to ecore_wl2 in surface create to prevent
    * modules unloading with surfaces in flight.  Release that now.
    */
   ecore_wl2_shutdown();
}

EAPI void
ecore_wl2_surface_reconfigure(Ecore_Wl2_Surface *surface, int w, int h, uint32_t flags, Eina_Bool alpha)
{
   EINA_SAFETY_ON_NULL_RETURN(surface);

   surface->funcs->reconfigure(surface, surface->private_data, w, h, flags, alpha);
   surface->w = w;
   surface->h = h;
   surface->alpha = alpha;
}

EAPI void *
ecore_wl2_surface_data_get(Ecore_Wl2_Surface *surface, int *w, int *h)
{
   EINA_SAFETY_ON_NULL_RETURN_VAL(surface, NULL);

   return surface->funcs->data_get(surface, surface->private_data, w, h);
}

EAPI int
ecore_wl2_surface_assign(Ecore_Wl2_Surface *surface)
{
   EINA_SAFETY_ON_NULL_RETURN_VAL(surface, 0);

   return surface->funcs->assign(surface, surface->private_data);
}

EAPI void
ecore_wl2_surface_post(Ecore_Wl2_Surface *surface, Eina_Rectangle *rects, unsigned int count)
{
   EINA_SAFETY_ON_NULL_RETURN(surface);

   surface->funcs->post(surface, surface->private_data, rects, count);
}

EAPI void
ecore_wl2_surface_flush(Ecore_Wl2_Surface *surface, Eina_Bool purge)
{
   EINA_SAFETY_ON_NULL_RETURN(surface);

   surface->funcs->flush(surface, surface->private_data, purge);
}

static Eina_Bool
_ecore_wl2_surface_cb_offscreen(void *data, int type EINA_UNUSED, void *event)
{
   Ecore_Wl2_Event_Window_Offscreen *ev = event;
   Ecore_Wl2_Surface *surf = data;

   if (surf->wl2_win == ev->win)
      ecore_wl2_surface_flush(surf, EINA_FALSE);

   return ECORE_CALLBACK_RENEW;
}

EAPI Ecore_Wl2_Surface *
ecore_wl2_surface_create(Ecore_Wl2_Window *win, Eina_Bool alpha)
{
   Ecore_Wl2_Surface *out;
   Eina_List *l;
   Ecore_Wl2_Surface_Interface *intf;

   EINA_SAFETY_ON_NULL_RETURN_VAL(win, NULL);
   EINA_SAFETY_ON_NULL_RETURN_VAL(_smanagers, NULL);

   if (win->wl2_surface) return win->wl2_surface;

   out = calloc(1, sizeof(*out));
   if (!out) return NULL;

   out->wl2_win = win;
   out->alpha = alpha;
   out->w = 0;
   out->h = 0;

   EINA_LIST_FOREACH(_smanagers, l, intf)
     {
        out->private_data = intf->setup(win);
        if (out->private_data)
          {
             out->funcs = intf;
             win->wl2_surface = out;
             out->offscreen_handler =
               ecore_event_handler_add(ECORE_WL2_EVENT_WINDOW_OFFSCREEN,
                                       _ecore_wl2_surface_cb_offscreen,
                                       out);
             /* Since we have loadable modules, we need to make sure this
              * surface keeps ecore_wl2 from de-initting and dlclose()ing
              * things until after it's destroyed
              */
             ecore_wl2_init();
             return out;
          }
     }

   free(out);
   return NULL;
}

EAPI Ecore_Wl2_Buffer *
ecore_wl2_surface_buffer_create(Ecore_Wl2_Surface *surface)
{
   Ecore_Wl2_Display *ewd;

   EINA_SAFETY_ON_NULL_RETURN_VAL(surface, NULL);

   ewd = ecore_wl2_window_display_get(surface->wl2_win);
   EINA_SAFETY_ON_NULL_RETURN_VAL(ewd, NULL);

   return ecore_wl2_buffer_create(ewd, surface->w, surface->h, surface->alpha);
}

EAPI int
ecore_wl2_surface_manager_add(Ecore_Wl2_Surface_Interface *intf)
{
   if (intf->version < ECORE_WL2_SURFACE_INTERFACE_VERSION)
     return 0;

   _smanagers = eina_list_prepend(_smanagers, intf);
   intf->id = ++_smanager_count;
   return intf->id;
}

EAPI void
ecore_wl2_surface_manager_del(Ecore_Wl2_Surface_Interface *intf)
{
   _smanagers = eina_list_remove(_smanagers, intf);
}

EAPI Ecore_Wl2_Window *
ecore_wl2_surface_window_get(Ecore_Wl2_Surface *surface)
{
   EINA_SAFETY_ON_NULL_RETURN_VAL(surface, NULL);

   return surface->wl2_win;
}

EAPI Eina_Bool
ecore_wl2_surface_alpha_get(Ecore_Wl2_Surface *surface)
{
   EINA_SAFETY_ON_NULL_RETURN_VAL(surface, EINA_FALSE);

   return surface->alpha;
}