1 | /* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- |
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2 | * |
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3 | * Copyright (C) 2007 William Jon McCann <mccann@jhu.edu> |
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4 | * |
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5 | * This program is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation; either version 2 of the License, or |
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8 | * (at your option) any later version. |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License |
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16 | * along with this program; if not, write to the Free Software |
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17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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18 | * |
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19 | */ |
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20 | |
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21 | |
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22 | #ifndef __GDM_SETTINGS_BACKEND_H |
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23 | #define __GDM_SETTINGS_BACKEND_H |
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24 | |
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25 | #include <glib-object.h> |
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26 | |
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27 | G_BEGIN_DECLS |
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28 | |
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29 | #define GDM_TYPE_SETTINGS_BACKEND (gdm_settings_backend_get_type ()) |
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30 | #define GDM_SETTINGS_BACKEND(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GDM_TYPE_SETTINGS_BACKEND, GdmSettingsBackend)) |
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31 | #define GDM_SETTINGS_BACKEND_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GDM_TYPE_SETTINGS_BACKEND, GdmSettingsBackendClass)) |
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32 | #define GDM_IS_SETTINGS_BACKEND(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GDM_TYPE_SETTINGS_BACKEND)) |
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33 | #define GDM_IS_SETTINGS_BACKEND_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GDM_TYPE_SETTINGS_BACKEND)) |
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34 | #define GDM_SETTINGS_BACKEND_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GDM_TYPE_SETTINGS_BACKEND, GdmSettingsBackendClass)) |
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35 | |
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36 | typedef struct GdmSettingsBackendPrivate GdmSettingsBackendPrivate; |
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37 | |
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38 | typedef struct |
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39 | { |
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40 | GObject parent; |
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41 | GdmSettingsBackendPrivate *priv; |
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42 | } GdmSettingsBackend; |
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43 | |
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44 | typedef struct |
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45 | { |
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46 | GObjectClass parent_class; |
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47 | |
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48 | /* methods */ |
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49 | gboolean (*get_value) (GdmSettingsBackend *settings_backend, |
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50 | const char *key, |
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51 | char **value, |
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52 | GError **error); |
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53 | gboolean (*set_value) (GdmSettingsBackend *settings_backend, |
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54 | const char *key, |
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55 | const char *value, |
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56 | GError **error); |
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57 | |
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58 | /* signals */ |
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59 | void (* value_changed) (GdmSettingsBackend *settings_backend, |
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60 | const char *key, |
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61 | const char *old_value, |
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62 | const char **new_value); |
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63 | } GdmSettingsBackendClass; |
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64 | |
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65 | typedef enum |
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66 | { |
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67 | GDM_SETTINGS_BACKEND_ERROR_GENERAL, |
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68 | GDM_SETTINGS_BACKEND_ERROR_KEY_NOT_FOUND |
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69 | } GdmSettingsBackendError; |
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70 | |
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71 | #define GDM_SETTINGS_BACKEND_ERROR gdm_settings_backend_error_quark () |
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72 | |
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73 | GQuark gdm_settings_backend_error_quark (void); |
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74 | GType gdm_settings_backend_get_type (void); |
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75 | |
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76 | gboolean gdm_settings_backend_get_value (GdmSettingsBackend *settings_backend, |
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77 | const char *key, |
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78 | char **value, |
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79 | GError **error); |
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80 | gboolean gdm_settings_backend_set_value (GdmSettingsBackend *settings_backend, |
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81 | const char *key, |
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82 | const char *value, |
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83 | GError **error); |
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84 | |
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85 | void gdm_settings_backend_value_changed (GdmSettingsBackend *settings_backend, |
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86 | const char *key, |
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87 | const char *old_value, |
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88 | const char *new_value); |
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89 | |
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90 | G_END_DECLS |
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91 | |
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92 | #endif /* __GDM_SETTINGS_BACKEND_H */ |
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