/*
 * Copyright (C) 2008-2010 Nick Schermer <nick@xfce.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef __XFCE_PANEL_PLUGIN_PROVIDER_H__
#define __XFCE_PANEL_PLUGIN_PROVIDER_H__

#include <gtk/gtk.h>
#include <libxfce4panel/libxfce4panel.h>

G_BEGIN_DECLS

#define XFCE_TYPE_PANEL_PLUGIN_PROVIDER (xfce_panel_plugin_provider_get_type ())
G_DECLARE_INTERFACE (XfcePanelPluginProvider, xfce_panel_plugin_provider, XFCE, PANEL_PLUGIN_PROVIDER, GObject)

/* plugin module functions */
typedef GtkWidget *(*PluginConstructFunc) (const gchar *name,
                                           gint unique_id,
                                           const gchar *display_name,
                                           const gchar *comment,
                                           gchar **arguments,
                                           GdkScreen *screen);
typedef GType (*PluginInitFunc) (GTypeModule *module,
                                 gboolean *make_resident);

struct _XfcePanelPluginProviderInterface
{
  /*< private >*/
  GTypeInterface __parent__;

  /*<public >*/
  const gchar *(*get_name) (XfcePanelPluginProvider *provider);
  gint (*get_unique_id) (XfcePanelPluginProvider *provider);
  void (*set_size) (XfcePanelPluginProvider *provider,
                    gint size);
  void (*set_icon_size) (XfcePanelPluginProvider *provider,
                         gint icon_size);
  void (*set_dark_mode) (XfcePanelPluginProvider *provider,
                         gboolean dark_mode);
  void (*set_mode) (XfcePanelPluginProvider *provider,
                    XfcePanelPluginMode mode);
  void (*set_nrows) (XfcePanelPluginProvider *provider,
                     guint rows);
  void (*set_screen_position) (XfcePanelPluginProvider *provider,
                               XfceScreenPosition screen_position);
  void (*save) (XfcePanelPluginProvider *provider);
  gboolean (*get_show_configure) (XfcePanelPluginProvider *provider);
  void (*show_configure) (XfcePanelPluginProvider *provider);
  gboolean (*get_show_about) (XfcePanelPluginProvider *provider);
  void (*show_about) (XfcePanelPluginProvider *provider);
  void (*removed) (XfcePanelPluginProvider *provider);
  gboolean (*remote_event) (XfcePanelPluginProvider *provider,
                            const gchar *name,
                            const GValue *value,
                            guint *handle);
  void (*set_locked) (XfcePanelPluginProvider *provider,
                      gboolean locked);
  void (*ask_remove) (XfcePanelPluginProvider *provider);
};

/* signals send from the plugin to the panel (possibly through the wrapper) */
typedef enum /*< skip >*/
{
  PROVIDER_SIGNAL_MOVE_PLUGIN = 0,
  PROVIDER_SIGNAL_EXPAND_PLUGIN,
  PROVIDER_SIGNAL_COLLAPSE_PLUGIN,
  PROVIDER_SIGNAL_SMALL_PLUGIN,
  PROVIDER_SIGNAL_UNSMALL_PLUGIN,
  PROVIDER_SIGNAL_LOCK_PANEL,
  PROVIDER_SIGNAL_UNLOCK_PANEL,
  PROVIDER_SIGNAL_REMOVE_PLUGIN,
  PROVIDER_SIGNAL_ADD_NEW_ITEMS,
  PROVIDER_SIGNAL_PANEL_PREFERENCES,
  PROVIDER_SIGNAL_PANEL_LOGOUT,
  PROVIDER_SIGNAL_PANEL_ABOUT,
  PROVIDER_SIGNAL_PANEL_HELP,
  PROVIDER_SIGNAL_SHOW_CONFIGURE,
  PROVIDER_SIGNAL_SHOW_ABOUT,
  PROVIDER_SIGNAL_FOCUS_PLUGIN,
  PROVIDER_SIGNAL_SHRINK_PLUGIN,
  PROVIDER_SIGNAL_UNSHRINK_PLUGIN
} XfcePanelPluginProviderSignal;

/* properties to the plugin; with a value or as an action */
typedef enum /*< skip >*/
{
  PROVIDER_PROP_TYPE_SET_SIZE, /* gint */
  PROVIDER_PROP_TYPE_SET_ICON_SIZE, /* gint */
  PROVIDER_PROP_TYPE_SET_DARK_MODE, /* gboolean */
  PROVIDER_PROP_TYPE_SET_MODE, /* XfcePanelPluginMode (as gint) */
  PROVIDER_PROP_TYPE_SET_SCREEN_POSITION, /* XfceScreenPosition (as gint) */
  PROVIDER_PROP_TYPE_SET_BACKGROUND_ALPHA, /* gdouble */
  PROVIDER_PROP_TYPE_SET_NROWS, /* gint */
  PROVIDER_PROP_TYPE_SET_LOCKED, /* gboolean */
  PROVIDER_PROP_TYPE_SET_SENSITIVE, /* gboolean */
  PROVIDER_PROP_TYPE_ACTION_REMOVED, /* none */
  PROVIDER_PROP_TYPE_ACTION_SAVE, /* none */
  PROVIDER_PROP_TYPE_ACTION_QUIT, /* none */
  PROVIDER_PROP_TYPE_ACTION_QUIT_FOR_RESTART, /* none */
  PROVIDER_PROP_TYPE_ACTION_BACKGROUND_UNSET, /* none */
  PROVIDER_PROP_TYPE_ACTION_SHOW_CONFIGURE, /* none */
  PROVIDER_PROP_TYPE_ACTION_SHOW_ABOUT, /* none */
  PROVIDER_PROP_TYPE_ACTION_ASK_REMOVE, /* none */

  /* WrapperPlug, using the same enum and D-Bus signal for simplicity */
  PROVIDER_PROP_TYPE_SET_OPACITY, /* gdouble */
  /* X11 only */
  PROVIDER_PROP_TYPE_SET_BACKGROUND_COLOR, /* string */
  PROVIDER_PROP_TYPE_SET_BACKGROUND_IMAGE, /* string */
  /* Wayland only */
  PROVIDER_PROP_TYPE_SET_MONITOR, /* gint */
  PROVIDER_PROP_TYPE_SET_GEOMETRY, /* GdkRectangle */
} XfcePanelPluginProviderPropType;

/* plugin exit values */
enum
{
  PLUGIN_EXIT_SUCCESS = 0,
  PLUGIN_EXIT_FAILURE,
  PLUGIN_EXIT_ARGUMENTS_FAILED,
  PLUGIN_EXIT_PREINIT_FAILED,
  PLUGIN_EXIT_CHECK_FAILED,
  PLUGIN_EXIT_NO_PROVIDER,
  PLUGIN_EXIT_NAME_LOST,
  PLUGIN_EXIT_SUCCESS_AND_RESTART
};

/* argument handling in plugin and wrapper */
enum
{
  PLUGIN_ARGV_0 = 0,
  PLUGIN_ARGV_FILENAME,
  PLUGIN_ARGV_UNIQUE_ID,
  PLUGIN_ARGV_SOCKET_ID,
  PLUGIN_ARGV_NAME,
  PLUGIN_ARGV_DISPLAY_NAME,
  PLUGIN_ARGV_COMMENT,
  PLUGIN_ARGV_ARGUMENTS
};



const gchar *
xfce_panel_plugin_provider_get_name (XfcePanelPluginProvider *provider);

gint
xfce_panel_plugin_provider_get_unique_id (XfcePanelPluginProvider *provider);

void
xfce_panel_plugin_provider_set_size (XfcePanelPluginProvider *provider,
                                     gint size);

void
xfce_panel_plugin_provider_set_icon_size (XfcePanelPluginProvider *provider,
                                          gint icon_size);

void
xfce_panel_plugin_provider_set_dark_mode (XfcePanelPluginProvider *provider,
                                          gboolean dark_mode);

void
xfce_panel_plugin_provider_set_mode (XfcePanelPluginProvider *provider,
                                     XfcePanelPluginMode mode);

void
xfce_panel_plugin_provider_set_nrows (XfcePanelPluginProvider *provider,
                                      guint rows);

void
xfce_panel_plugin_provider_set_screen_position (XfcePanelPluginProvider *provider,
                                                XfceScreenPosition screen_position);

void
xfce_panel_plugin_provider_save (XfcePanelPluginProvider *provider);

void
xfce_panel_plugin_provider_emit_signal (XfcePanelPluginProvider *provider,
                                        XfcePanelPluginProviderSignal provider_signal);

gboolean
xfce_panel_plugin_provider_get_show_configure (XfcePanelPluginProvider *provider);

void
xfce_panel_plugin_provider_show_configure (XfcePanelPluginProvider *provider);

gboolean
xfce_panel_plugin_provider_get_show_about (XfcePanelPluginProvider *provider);

void
xfce_panel_plugin_provider_show_about (XfcePanelPluginProvider *provider);

void
xfce_panel_plugin_provider_removed (XfcePanelPluginProvider *provider);

gboolean
xfce_panel_plugin_provider_remote_event (XfcePanelPluginProvider *provider,
                                         const gchar *name,
                                         const GValue *value,
                                         guint *handle);

void
xfce_panel_plugin_provider_set_locked (XfcePanelPluginProvider *provider,
                                       gboolean locked);

void
xfce_panel_plugin_provider_ask_remove (XfcePanelPluginProvider *provider);

G_END_DECLS

#endif /* !__XFCE_PANEL_PLUGIN_PROVIDER_H__ */
