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path: root/src/modules/wl_desktop_shell/xdg5.c
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#define E_COMP_WL
#include "e.h"
#include "e_mod_main.h"

#include "xdg-shell-unstable-v5-server-protocol.h"

#define XDG_SERVER_VERSION 5

typedef enum
{
   STATE_MAXIMIZED = (1 << 0),
   STATE_UNMAXIMIZED = (1 << 1),
   STATE_FULLSCREEN = (1 << 2),
   STATE_UNFULLSCREEN = (1 << 3),
} State;

typedef struct Pending_State
{
   State state;
   uint32_t serial;
} Pending_State;

static void
_e_xdg_surface_state_add(struct wl_resource *resource, struct wl_array *states, uint32_t state)
{
  uint32_t *s;

   s = wl_array_add(states, sizeof(*s));
  if (s)
    *s = state;
  else
    wl_resource_post_no_memory(resource);
}

static void
_xdg_shell_surface_send_configure(struct wl_resource *resource, Eina_Bool fullscreen, Eina_Bool maximized, uint32_t edges, int32_t width, int32_t height)
{
   struct wl_array states;
   uint32_t serial;
   E_Client *focused, *ec;
   E_Shell_Data *shd;
   State pending = 0;
   Eina_Bool activated = EINA_FALSE;

   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_client_util_is_popup(ec)) return;
   focused = e_client_focused_get();
   if (ec == focused)
     activated = 1;
   else if (focused && focused->parent)
     {
        do
          {
             if (focused->parent != ec)
               focused = focused->parent;
             else
               activated = 1;
          } while (focused && (!activated));
     }
   shd = ec->comp_data->shell.data;
   if ((shd->edges == edges) && (shd->width == width) && (shd->height == height) &&
       (shd->fullscreen == fullscreen) &&
       (shd->maximized == maximized) &&
       (shd->activated == activated)) return;
   shd->edges = edges;
   shd->width = width;
   shd->height = height;
   if (shd->fullscreen != fullscreen)
     {
        if (fullscreen)
          pending |= STATE_FULLSCREEN;
        else if (ec->fullscreen)
          pending |= STATE_UNFULLSCREEN;
     }
   shd->fullscreen = fullscreen;
   if (shd->maximized != maximized)
     {
        if (maximized)
          pending |= STATE_MAXIMIZED;
        else if (ec->maximized || ec->comp_data->unmax)
          pending |= STATE_UNMAXIMIZED;
     }
   shd->maximized = maximized;
   shd->activated = activated;
   wl_array_init(&states);

   if (fullscreen)
     _e_xdg_surface_state_add(resource, &states, XDG_SURFACE_STATE_FULLSCREEN);
   else if (maximized)
     _e_xdg_surface_state_add(resource, &states, XDG_SURFACE_STATE_MAXIMIZED);
   if (edges)
     _e_xdg_surface_state_add(resource, &states, XDG_SURFACE_STATE_RESIZING);
   if (activated)
     _e_xdg_surface_state_add(resource, &states, XDG_SURFACE_STATE_ACTIVATED);

   serial = wl_display_next_serial(e_comp_wl->wl.disp);
   xdg_surface_send_configure(resource, width, height, &states, serial);
   {
      Pending_State *ps;

      ps = E_NEW(Pending_State, 1);
      ps->state = pending;
      ps->serial = serial;
      shd->pending = eina_list_append(shd->pending, ps);
   }

   wl_array_release(&states);
}

static void
_e_xdg_shell_surface_configure_send(struct wl_resource *resource, uint32_t edges, int32_t width, int32_t height)
{
   E_Client *ec;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;
   if (e_client_util_is_popup(ec)) return;

   _xdg_shell_surface_send_configure(resource, ec->fullscreen, !!ec->maximized || ec->comp_data->max, edges, width, height);
}

static void
_e_xdg_shell_surface_cb_destroy(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
   wl_resource_destroy(resource);
}

static void
_e_xdg_shell_surface_cb_parent_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, struct wl_resource *parent_resource)
{
   E_Client *ec;

   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   /* set this client as a transient for parent */
   e_shell_surface_parent_set(ec, parent_resource);
}

static void
_e_xdg_shell_surface_cb_title_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, const char *title)
{
   E_Client *ec;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   /* set title */
   eina_stringshare_replace(&ec->icccm.title, title);
   if (ec->frame) e_comp_object_frame_title_set(ec->frame, title);
}

static void
_e_xdg_shell_surface_cb_app_id_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, const char *id)
{
   E_Client *ec;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   /* use the wl_client to get the pid * and set it in the netwm props */
   wl_client_get_credentials(client, &ec->netwm.pid, NULL, NULL);

   /* set class */
   eina_stringshare_replace(&ec->icccm.class, id);
   /* eina_stringshare_replace(&ec->netwm.name, id); */
   ec->changes.icon = !!ec->icccm.class;
   EC_CHANGED(ec);
}

static void
_e_xdg_shell_surface_cb_window_menu_show(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, struct wl_resource *seat_resource EINA_UNUSED, uint32_t serial EINA_UNUSED, int32_t x, int32_t y)
{
   E_Client *ec;
   double timestamp;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   timestamp = ecore_loop_time_get();
   e_int_client_menu_show(ec, ec->x + x, ec->y + y, 0, timestamp);
}

static void
_e_xdg_shell_surface_cb_move(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, struct wl_resource *seat_resource EINA_UNUSED, uint32_t serial EINA_UNUSED)
{
   E_Client *ec;
   E_Binding_Event_Mouse_Button ev;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   if ((ec->maximized) || (ec->fullscreen)) return;
   if (serial != e_comp_wl->ptr.serial[0]) return;

   switch (e_comp_wl->ptr.button)
     {
      case BTN_LEFT:
        ev.button = 1;
        break;
      case BTN_MIDDLE:
        ev.button = 2;
        break;
      case BTN_RIGHT:
        ev.button = 3;
        break;
      default:
        ev.button = e_comp_wl->ptr.button;
        break;
     }

   e_comp_object_frame_xy_unadjust(ec->frame,
                                   wl_fixed_to_int(e_comp_wl->ptr.x),
                                   wl_fixed_to_int(e_comp_wl->ptr.y),
                                   &ev.canvas.x, &ev.canvas.y);

   e_shell_surface_mouse_down_helper(ec, &ev, EINA_TRUE);
}

static void
_e_xdg_shell_surface_cb_resize(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, struct wl_resource *seat_resource EINA_UNUSED, uint32_t serial EINA_UNUSED, uint32_t edges)
{
   E_Client *ec;
   E_Binding_Event_Mouse_Button ev;

   /* DBG("XDG_SHELL: Surface Resize: %d\tEdges: %d",  */
   /*     wl_resource_get_id(resource), edges); */

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;
   if (serial != e_comp_wl->ptr.serial[0]) return;

   if ((edges == 0) || (edges > 15) ||
       ((edges & 3) == 3) || ((edges & 12) == 12)) return;

   if ((ec->maximized) || (ec->fullscreen)) return;

   e_comp_wl->resize.resource = resource;
   e_comp_wl->resize.edges = edges;
   e_comp_wl->ptr.grab_x = e_comp_wl->ptr.x - wl_fixed_from_int(ec->client.x);
   e_comp_wl->ptr.grab_y = e_comp_wl->ptr.y - wl_fixed_from_int(ec->client.y);

   switch (e_comp_wl->ptr.button)
     {
      case BTN_LEFT:
        ev.button = 1;
        break;
      case BTN_MIDDLE:
        ev.button = 2;
        break;
      case BTN_RIGHT:
        ev.button = 3;
        break;
      default:
        ev.button = e_comp_wl->ptr.button;
        break;
     }

   e_comp_object_frame_xy_unadjust(ec->frame,
                                   wl_fixed_to_int(e_comp_wl->ptr.x),
                                   wl_fixed_to_int(e_comp_wl->ptr.y),
                                   &ev.canvas.x, &ev.canvas.y);

   e_shell_surface_mouse_down_helper(ec, &ev, EINA_FALSE);
}

static void
_e_xdg_shell_surface_cb_ack_configure(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, uint32_t serial)
{
   E_Client *ec;
   Pending_State *ps;
   E_Shell_Data *shd;
   Eina_List *l, *ll;

   ec = wl_resource_get_user_data(resource);
   if (!ec)
     {
        wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
                                "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;
   shd = ec->comp_data->shell.data;
   EINA_LIST_FOREACH_SAFE(shd->pending, l, ll, ps)
     {
        if (ps->serial > serial) break;
        if (ps->state & STATE_FULLSCREEN)
          {
             ec->comp_data->shell.set.fullscreen = 1;
             ec->comp_data->shell.set.unfullscreen = 0;
          }
        if (ps->state & STATE_UNFULLSCREEN)
          {
             ec->comp_data->shell.set.unfullscreen = 1;
             ec->comp_data->shell.set.fullscreen = 0;
          }
        if (ps->state & STATE_MAXIMIZED)
          {
             ec->comp_data->shell.set.maximize = 1;
             ec->comp_data->shell.set.unmaximize = 0;
             if (!ec->comp_data->max)
               ec->comp_data->max = (e_config->maximize_policy & E_MAXIMIZE_TYPE) | E_MAXIMIZE_BOTH;
          }
        if (ps->state & STATE_UNMAXIMIZED)
          {
             ec->comp_data->shell.set.unmaximize = 1;
             ec->comp_data->shell.set.maximize = 0;
             if (!ec->comp_data->unmax)
               ec->comp_data->unmax = (e_config->maximize_policy & E_MAXIMIZE_TYPE) | E_MAXIMIZE_BOTH;
          }
        shd->pending = eina_list_remove_list(shd->pending, l);
        free(ps);
     }
}

static void
_e_xdg_shell_surface_cb_window_geometry_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, int32_t x, int32_t y, int32_t w, int32_t h)
{
   E_Client *ec;

   ec = wl_resource_get_user_data(resource);
   if (!ec)
     {
        wl_resource_post_error(resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
                                "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;
   EINA_RECTANGLE_SET(&ec->comp_data->shell.window, x, y, w, h);
   //DBG("XDG_SHELL: Window Geom Set: %d \t%d %d, %d %d", wl_resource_get_id(resource), x, y, w, h);
}

static void
_e_xdg_shell_surface_cb_maximized_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
   E_Client *ec;
   int w, h;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   if (ec->lock_user_maximize) return;
   if (e_config->window_maximize_animate && (!ec->maximize_anims_disabled))
     w = ec->w, h = ec->h;
   else
     {
        switch (e_config->maximize_policy & E_MAXIMIZE_TYPE)
          {
           case E_MAXIMIZE_FULLSCREEN:
             w = ec->zone->w, h = ec->zone->h;
             break;
           default:
             e_zone_useful_geometry_get(ec->zone, NULL, NULL, &w, &h);
          }
     }
   _xdg_shell_surface_send_configure(resource, ec->fullscreen, 1, 0, w, h);
}

static void
_e_xdg_shell_surface_cb_maximized_unset(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
   E_Client *ec;
   int w, h;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   if (ec->lock_user_maximize) return;
   if (e_config->window_maximize_animate && (!ec->maximize_anims_disabled))
     w = ec->w, h = ec->h;
   else
     w = ec->saved.w, h = ec->saved.h;
   _xdg_shell_surface_send_configure(resource, ec->fullscreen, 0, 0, w, h);
}

static void
_e_xdg_shell_surface_cb_fullscreen_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, struct wl_resource *output_resource EINA_UNUSED)
{
   E_Client *ec;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }

   if (ec->lock_user_fullscreen) return;
   _xdg_shell_surface_send_configure(resource, 1, !!ec->maximized || ec->comp_data->max, 0, ec->zone->w, ec->zone->h);
}

static void
_e_xdg_shell_surface_cb_fullscreen_unset(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
   E_Client *ec;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   if (ec->lock_user_fullscreen) return;
   _xdg_shell_surface_send_configure(resource, 0, !!ec->maximized || ec->comp_data->max, 0, ec->saved.w, ec->saved.h);
}

static void
_e_xdg_shell_surface_cb_minimized_set(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
   E_Client *ec;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   if (ec->lock_user_iconify) return;
   ec->comp_data->shell.set.minimize = 1;
}

static const struct xdg_surface_interface _e_xdg_surface_interface =
{
   _e_xdg_shell_surface_cb_destroy,
   _e_xdg_shell_surface_cb_parent_set,
   _e_xdg_shell_surface_cb_title_set,
   _e_xdg_shell_surface_cb_app_id_set,
   _e_xdg_shell_surface_cb_window_menu_show,
   _e_xdg_shell_surface_cb_move,
   _e_xdg_shell_surface_cb_resize,
   _e_xdg_shell_surface_cb_ack_configure,
   _e_xdg_shell_surface_cb_window_geometry_set,
   _e_xdg_shell_surface_cb_maximized_set,
   _e_xdg_shell_surface_cb_maximized_unset,
   _e_xdg_shell_surface_cb_fullscreen_set,
   _e_xdg_shell_surface_cb_fullscreen_unset,
   _e_xdg_shell_surface_cb_minimized_set,
};

static void
_e_xdg_shell_cb_destroy(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
   wl_resource_destroy(resource);
}

static void
_e_xdg_shell_cb_unstable_version(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, int32_t version)
{
   if (version > 1)
     wl_resource_post_error(resource, 1, "XDG Version Not Implemented Yet");
}

static void
_e_xdg_shell_surface_configure(struct wl_resource *resource, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
{
   E_Client *ec;

   /* DBG("XDG_SHELL: Surface Configure: %d \t%d %d %d %d",  */
   /*     wl_resource_get_id(resource), x, y, w, h); */

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   if (ec->parent)
     {
        if (e_client_util_is_popup(ec))
          {
             x = ec->parent->client.x + ec->comp_data->popup.x;
             y = ec->parent->client.y + ec->comp_data->popup.y;
          }
     }

   e_client_util_move_resize_without_frame(ec, x, y, w, h);
}

static void
_e_xdg_shell_surface_ping(struct wl_resource *resource)
{
   E_Client *ec;
   uint32_t serial;
   struct wl_client *client;
   struct wl_resource *xdg_shell;

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;
   client = wl_resource_get_client(resource);
   xdg_shell = eina_hash_find(xdg_shell_resources, &client);

   if (!xdg_shell) return;
   serial = wl_display_next_serial(e_comp_wl->wl.disp);
   xdg_shell_send_ping(xdg_shell, serial);
}

static void
_e_xdg_shell_surface_map(struct wl_resource *resource)
{
   E_Client *ec;

   /* DBG("XDG_SHELL: Map Surface: %d", wl_resource_get_id(resource)); */

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   if ((!ec->comp_data->mapped) && (e_pixmap_usable_get(ec->pixmap)))
     {
        /* map this surface if needed */
        ec->visible = EINA_TRUE;
        evas_object_show(ec->frame);
        ec->comp_data->mapped = EINA_TRUE;

        /* FIXME: sometimes popup surfaces Do Not raise above their
         * respective parents... */
        /* if (e_client_util_is_popup(ec)) */
        /*   e_client_raise_latest_set(ec); */
     }
}

static void
_e_xdg_shell_surface_unmap(struct wl_resource *resource)
{
   E_Client *ec;

   /* DBG("XDG_SHELL: Unmap Surface: %d", wl_resource_get_id(resource)); */

   /* get the client for this resource */
   if (!(ec = wl_resource_get_user_data(resource)))
     {
        wl_resource_post_error(resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Client For Shell Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   if (ec->comp_data->mapped)
     {
        ec->visible = EINA_FALSE;
        evas_object_hide(ec->frame);
        ec->comp_data->mapped = EINA_FALSE;
     }
}

static void
_e_xdg_shell_cb_surface_get(struct wl_client *client, struct wl_resource *resource EINA_UNUSED, uint32_t id, struct wl_resource *surface_resource)
{
   E_Client *ec;
   E_Comp_Client_Data *cdata;

   /* DBG("XDG_SHELL: Surface Get %d", wl_resource_get_id(surface_resource)); */

   /* get the pixmap from this surface so we can find the client */
   if (!(ec = wl_resource_get_user_data(surface_resource)))
     {
        wl_resource_post_error(surface_resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Pixmap Set On Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   ec->netwm.ping = 1;
   cdata = ec->comp_data;

   /* check for existing shell surface */
   if (cdata->shell.surface)
     {
        wl_resource_post_error(surface_resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "Client already has XDG shell surface");
        return;
     }

   /* try to create a shell surface */
   if (!(cdata->shell.surface =
         wl_resource_create(client, &xdg_surface_interface, 1, id)))
     {
        ERR("Could not create xdg shell surface");
        wl_resource_post_no_memory(surface_resource);
        return;
     }

   wl_resource_set_implementation(cdata->shell.surface,
                                  &_e_xdg_surface_interface, ec,
                                  e_shell_surface_cb_destroy);

   e_object_ref(E_OBJECT(ec));

   cdata->shell.configure_send = _e_xdg_shell_surface_configure_send;
   cdata->shell.configure = _e_xdg_shell_surface_configure;
   cdata->shell.ping = _e_xdg_shell_surface_ping;
   cdata->shell.map = _e_xdg_shell_surface_map;
   cdata->shell.unmap = _e_xdg_shell_surface_unmap;
   cdata->shell.data = e_shell_data_new(5);
   cdata->is_xdg_surface = EINA_TRUE;

   /* set toplevel client properties */
   ec->icccm.accepts_focus = 1;
   if (!ec->internal)
     ec->borderless = 1;
   ec->lock_border = EINA_TRUE;
   if ((!ec->internal) || (!ec->borderless))
     ec->border.changed = ec->changes.border = !ec->borderless;
   ec->netwm.type = E_WINDOW_TYPE_NORMAL;
   ec->comp_data->set_win_type = EINA_TRUE;

   if (ec->internal_elm_win && evas_object_visible_get(ec->internal_elm_win))
     _e_xdg_shell_surface_map(surface_resource);
   if (!ec->internal)
     e_client_ping(ec);
}

static void
_e_xdg_shell_popup_cb_destroy(struct wl_client *client EINA_UNUSED, struct wl_resource *resource)
{
   wl_resource_destroy(resource);
}

static const struct xdg_popup_interface _e_xdg_popup_interface =
{
   _e_xdg_shell_popup_cb_destroy,
};

static void
_e_xdg_shell_cb_popup_get(struct wl_client *client, struct wl_resource *resource EINA_UNUSED, uint32_t id, struct wl_resource *surface_resource, struct wl_resource *parent_resource, struct wl_resource *seat_resource EINA_UNUSED, uint32_t serial EINA_UNUSED, int32_t x, int32_t y)
{
   E_Client *ec;
   E_Comp_Client_Data *cdata;

   /* DBG("XDG_SHELL: Popup Get"); */
   /* DBG("\tSurface: %d", wl_resource_get_id(surface_resource)); */
   /* DBG("\tParent Surface: %d", wl_resource_get_id(parent_resource)); */
   /* DBG("\tLocation: %d %d", x, y); */

   /* get the pixmap from this surface so we can find the client */
   if (!(ec = wl_resource_get_user_data(surface_resource)))
     {
        wl_resource_post_error(surface_resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "No Pixmap Set On Surface");
        return;
     }
   if (e_object_is_del(E_OBJECT(ec))) return;

   cdata = ec->comp_data;

   /* check for existing shell surface */
   if (cdata->shell.surface)
     {
        wl_resource_post_error(surface_resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "Client already has shell popup surface");
        return;
     }

   /* check for the parent surface */
   if (!parent_resource)
     {
        wl_resource_post_error(surface_resource,
                               WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "Popup requires a parent shell surface");
        return;
     }

   /* try to create a shell surface */
   if (!(cdata->shell.surface =
         wl_resource_create(client, &xdg_popup_interface, 1, id)))
     {
        ERR("Could not create xdg shell surface");
        wl_resource_post_no_memory(surface_resource);
        return;
     }

   wl_resource_set_implementation(cdata->shell.surface,
                                  &_e_xdg_popup_interface, ec, e_shell_surface_destroy);

   e_object_ref(E_OBJECT(ec));

   cdata->shell.configure_send = _e_xdg_shell_surface_configure_send;
   cdata->shell.configure = _e_xdg_shell_surface_configure;
   cdata->shell.ping = _e_xdg_shell_surface_ping;
   cdata->shell.map = _e_xdg_shell_surface_map;
   cdata->shell.unmap = _e_xdg_shell_surface_unmap;
   cdata->shell.data = e_shell_data_new(5);
   cdata->is_xdg_surface = EINA_TRUE;

   if (!ec->internal)
     ec->borderless = !ec->internal_elm_win;
   ec->lock_border = EINA_TRUE;
   if (!ec->internal)
     ec->border.changed = ec->changes.border = !ec->borderless;
   ec->changes.icon = !!ec->icccm.class;
   ec->netwm.type = E_WINDOW_TYPE_POPUP_MENU;
   ec->placed = ec->comp_data->set_win_type = EINA_TRUE;

   /* set this client as a transient for parent */
   e_shell_surface_parent_set(ec, parent_resource);

   if (ec->parent)
     {
        cdata->popup.x = E_CLAMP(x, 0, ec->parent->client.w);
        cdata->popup.y = E_CLAMP(y, 0, ec->parent->client.h);
     }
   else
     {
        cdata->popup.x = x;
        cdata->popup.y = y;
     }
   if (ec->internal_elm_win && evas_object_visible_get(ec->internal_elm_win))
     _e_xdg_shell_surface_map(surface_resource);
}

static void
_e_xdg_shell_cb_pong(struct wl_client *client EINA_UNUSED, struct wl_resource *resource, uint32_t serial EINA_UNUSED)
{
   E_Client *ec;

   if ((ec = wl_resource_get_user_data(resource)))
     {
        ec->ping_ok = EINA_TRUE;
        ec->hung = EINA_FALSE;
     }
}

static const struct xdg_shell_interface _e_xdg_shell_interface =
{
   _e_xdg_shell_cb_destroy,
   _e_xdg_shell_cb_unstable_version,
   _e_xdg_shell_cb_surface_get,
   _e_xdg_shell_cb_popup_get,
   _e_xdg_shell_cb_pong
};

static void
_e_xdg_shell_cb_unbind(struct wl_resource *resource)
{
   struct wl_client *client = wl_resource_get_client(resource);
   eina_hash_set(shell_resources, &client, NULL);
}

static int
_e_xdg_shell_cb_dispatch(const void *implementation EINA_UNUSED, void *target, uint32_t opcode, const struct wl_message *message EINA_UNUSED, union wl_argument *args)
{
   struct wl_resource *res;

   if (!(res = target)) return 0;

   if (opcode != 1)
     {
        wl_resource_post_error(res, WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "Must call use_unstable_version first");
        return 0;
     }

   if (args[0].i != XDG_SERVER_VERSION)
     {
        wl_resource_post_error(res, WL_DISPLAY_ERROR_INVALID_OBJECT,
                               "Incompatible versions. "
                               "Server: %d, Client: %d",
                               XDG_SERVER_VERSION, args[0].i);
        return 0;
     }

   wl_resource_set_implementation(res, &_e_xdg_shell_interface,
                                  NULL, _e_xdg_shell_cb_unbind);

   return 1;
}

static void
_e_xdg_shell_cb_bind(struct wl_client *client, void *data EINA_UNUSED, uint32_t version, uint32_t id)
{
   struct wl_resource *res;

   if (!(res = wl_resource_create(client, &xdg_shell_interface, version, id)))
     {
        wl_client_post_no_memory(client);
        return;
     }

   eina_hash_set(xdg_shell_resources, &client, res);
   wl_resource_set_dispatcher(res, _e_xdg_shell_cb_dispatch, NULL,
                              NULL, NULL);
}

static void
_xdg5_client_hook_del(void *d EINA_UNUSED, E_Client *ec)
{
   E_Shell_Data *shd;

   /* make sure this is a wayland client */
   if (e_pixmap_type_get(ec->pixmap) != E_PIXMAP_TYPE_WL) return;

   shd = ec->comp_data->shell.data;
     if (shd && (shd->version != 5)) return;
   if (ec->comp_data->shell.surface)
     e_shell_surface_cb_destroy(ec->comp_data->shell.surface);
}

EINTERN Eina_Bool
e_xdg_shell_v5_init(void)
{
   /* try to create global xdg_shell interface */
   if (!wl_global_create(e_comp_wl->wl.disp, &xdg_shell_interface, 1,
                         NULL, _e_xdg_shell_cb_bind))
     {
        ERR("Could not create xdg_shell global");
        return EINA_FALSE;
     }
   e_client_hook_add(E_CLIENT_HOOK_DEL, _xdg5_client_hook_del, NULL);
   return EINA_TRUE;
}