/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:expandtab:shiftwidth=4:tabstop=4:
 */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* Wayland compatibility header, it makes Firefox build with
   wayland-1.2 and Gtk+ 3.10.
*/

#ifndef __MozWayland_h_
#define __MozWayland_h_

#include "mozilla/Types.h"
#include <gtk/gtk.h>
#include <gdk/gdkwayland.h>

#ifdef __cplusplus
extern "C" {
#endif

MOZ_EXPORT int
wl_display_roundtrip_queue(struct wl_display *display,
                           struct wl_event_queue *queue);
MOZ_EXPORT uint32_t
wl_proxy_get_version(struct wl_proxy *proxy);
MOZ_EXPORT struct wl_proxy *
wl_proxy_marshal_constructor(struct wl_proxy *proxy,
                             uint32_t opcode,
                             const struct wl_interface *interface,
                             ...);

/* We need implement some missing functions from wayland-client-protocol.h
*/
#ifndef WL_DATA_DEVICE_MANAGER_DND_ACTION_ENUM
enum wl_data_device_manager_dnd_action {
  WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE = 0,
  WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY = 1,
  WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE = 2,
  WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK = 4
};
#endif

#ifndef WL_DATA_OFFER_SET_ACTIONS
#define WL_DATA_OFFER_SET_ACTIONS   4

struct moz_wl_data_offer_listener {
  void (*offer)(void *data, struct wl_data_offer *wl_data_offer,
                const char *mime_type);
  void (*source_actions)(void *data, struct wl_data_offer *wl_data_offer,
                         uint32_t source_actions);
  void (*action)(void *data, struct wl_data_offer *wl_data_offer,
                 uint32_t dnd_action);
};

static inline void
wl_data_offer_set_actions(struct wl_data_offer *wl_data_offer,
                          uint32_t dnd_actions,
                          uint32_t preferred_action)
{
  wl_proxy_marshal((struct wl_proxy *) wl_data_offer,
       WL_DATA_OFFER_SET_ACTIONS, dnd_actions, preferred_action);
}
#else
typedef struct wl_data_offer_listener moz_wl_data_offer_listener;
#endif

#ifndef WL_SUBCOMPOSITOR_GET_SUBSURFACE
#define WL_SUBCOMPOSITOR_GET_SUBSURFACE 1
struct wl_subcompositor;

// Emulate what mozilla header wrapper does - make the
// wl_subcompositor_interface always visible.
#pragma GCC visibility push(default)
extern const struct wl_interface wl_subsurface_interface;
extern const struct wl_interface wl_subcompositor_interface;
#pragma GCC visibility pop

#define WL_SUBSURFACE_DESTROY 0
#define WL_SUBSURFACE_SET_POSITION 1
#define WL_SUBSURFACE_PLACE_ABOVE 2
#define WL_SUBSURFACE_PLACE_BELOW 3
#define WL_SUBSURFACE_SET_SYNC 4
#define WL_SUBSURFACE_SET_DESYNC 5

static inline struct wl_subsurface *
wl_subcompositor_get_subsurface(struct wl_subcompositor *wl_subcompositor,
                                struct wl_surface *surface,
                                struct wl_surface *parent)
{
  struct wl_proxy *id;

  id = wl_proxy_marshal_constructor((struct wl_proxy *) wl_subcompositor,
       WL_SUBCOMPOSITOR_GET_SUBSURFACE, &wl_subsurface_interface, NULL, surface,
       parent);

  return (struct wl_subsurface *) id;
}

static inline void
wl_subsurface_set_position(struct wl_subsurface *wl_subsurface,
                           int32_t x, int32_t y)
{
  wl_proxy_marshal((struct wl_proxy *) wl_subsurface,
       WL_SUBSURFACE_SET_POSITION, x, y);
}

static inline void
wl_subsurface_set_desync(struct wl_subsurface *wl_subsurface)
{
  wl_proxy_marshal((struct wl_proxy *) wl_subsurface,
       WL_SUBSURFACE_SET_DESYNC);
}

static inline void
wl_subsurface_destroy(struct wl_subsurface *wl_subsurface)
{
  wl_proxy_marshal((struct wl_proxy *) wl_subsurface,
       WL_SUBSURFACE_DESTROY);

  wl_proxy_destroy((struct wl_proxy *) wl_subsurface);
}
#endif

#ifdef __cplusplus
}
#endif

#endif /* __MozWayland_h_ */