1 /*
2 * Photos - access, organize and share your photos on GNOME
3 * Copyright © 2012 – 2019 Red Hat, Inc.
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 /* Based on code from:
20 * + Documents
21 */
22
23
24 #include "config.h"
25
26 #include "photos-base-manager.h"
27 #include "photos-query.h"
28 #include "photos-utils.h"
29
30
31 struct _PhotosQuery
32 {
33 GObject parent_instance;
34 PhotosSearchContextState *state;
35 PhotosSource *source;
36 gchar *sparql;
37 gchar *tag;
38 };
39
40 enum
41 {
42 PROP_0,
43 PROP_SPARQL,
44 PROP_STATE
45 };
46
47
48 G_DEFINE_TYPE (PhotosQuery, photos_query, G_TYPE_OBJECT);
49
50
51 static void
photos_query_constructed(GObject * object)52 photos_query_constructed (GObject *object)
53 {
54 PhotosQuery *self = PHOTOS_QUERY (object);
55
56 G_OBJECT_CLASS (photos_query_parent_class)->constructed (object);
57
58 if (self->state != NULL)
59 {
60 PhotosSource *source;
61
62 source = PHOTOS_SOURCE (photos_base_manager_get_active_object (self->state->src_mngr));
63 g_set_object (&self->source, source);
64 }
65
66 self->state = NULL; /* We will not need it any more */
67 }
68
69
70 static void
photos_query_dispose(GObject * object)71 photos_query_dispose (GObject *object)
72 {
73 PhotosQuery *self = PHOTOS_QUERY (object);
74
75 g_clear_object (&self->source);
76
77 G_OBJECT_CLASS (photos_query_parent_class)->dispose (object);
78 }
79
80
81 static void
photos_query_finalize(GObject * object)82 photos_query_finalize (GObject *object)
83 {
84 PhotosQuery *self = PHOTOS_QUERY (object);
85
86 g_free (self->sparql);
87 g_free (self->tag);
88
89 G_OBJECT_CLASS (photos_query_parent_class)->finalize (object);
90 }
91
92
93 static void
photos_query_get_property(GObject * object,guint prop_id,GValue * value,GParamSpec * pspec)94 photos_query_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
95 {
96 PhotosQuery *self = PHOTOS_QUERY (object);
97
98 switch (prop_id)
99 {
100 case PROP_SPARQL:
101 g_value_set_string (value, self->sparql);
102 break;
103
104 default:
105 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
106 break;
107 }
108 }
109
110
111 static void
photos_query_set_property(GObject * object,guint prop_id,const GValue * value,GParamSpec * pspec)112 photos_query_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
113 {
114 PhotosQuery *self = PHOTOS_QUERY (object);
115
116 switch (prop_id)
117 {
118 case PROP_SPARQL:
119 self->sparql = g_value_dup_string (value);
120 break;
121
122 case PROP_STATE:
123 self->state = (PhotosSearchContextState *) g_value_get_pointer (value);
124 break;
125
126 default:
127 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
128 break;
129 }
130 }
131
132
133 static void
photos_query_init(PhotosQuery * self)134 photos_query_init (PhotosQuery *self)
135 {
136 }
137
138
139 static void
photos_query_class_init(PhotosQueryClass * class)140 photos_query_class_init (PhotosQueryClass *class)
141 {
142 GObjectClass *object_class = G_OBJECT_CLASS (class);
143
144 object_class->constructed = photos_query_constructed;
145 object_class->dispose = photos_query_dispose;
146 object_class->finalize = photos_query_finalize;
147 object_class->get_property = photos_query_get_property;
148 object_class->set_property = photos_query_set_property;
149
150 g_object_class_install_property (object_class,
151 PROP_SPARQL,
152 g_param_spec_string ("sparql",
153 "SPARQL",
154 "A SPARQL query that's meant to be sent to Tracker",
155 NULL,
156 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE));
157
158 g_object_class_install_property (object_class,
159 PROP_STATE,
160 g_param_spec_pointer ("state",
161 "State",
162 "The PhotosSearchContextState for this query",
163 G_PARAM_CONSTRUCT_ONLY | G_PARAM_WRITABLE));
164 }
165
166
167 PhotosQuery *
photos_query_new(PhotosSearchContextState * state,const gchar * sparql)168 photos_query_new (PhotosSearchContextState *state, const gchar *sparql)
169 {
170 g_return_val_if_fail (sparql != NULL && sparql[0] != '\0', NULL);
171 return g_object_new (PHOTOS_TYPE_QUERY, "state", state, "sparql", sparql, NULL);
172 }
173
174
175 const gchar *
photos_query_get_sparql(PhotosQuery * self)176 photos_query_get_sparql (PhotosQuery *self)
177 {
178 g_return_val_if_fail (PHOTOS_IS_QUERY (self), NULL);
179 return self->sparql;
180 }
181
182
183 PhotosSource *
photos_query_get_source(PhotosQuery * self)184 photos_query_get_source (PhotosQuery *self)
185 {
186 g_return_val_if_fail (PHOTOS_IS_QUERY (self), NULL);
187 return self->source;
188 }
189
190
191 const gchar *
photos_query_get_tag(PhotosQuery * self)192 photos_query_get_tag (PhotosQuery *self)
193 {
194 g_return_val_if_fail (PHOTOS_IS_QUERY (self), NULL);
195 return self->tag;
196 }
197
198
199 void
photos_query_set_tag(PhotosQuery * self,const gchar * tag)200 photos_query_set_tag (PhotosQuery *self, const gchar *tag)
201 {
202 g_return_if_fail (PHOTOS_IS_QUERY (self));
203 g_return_if_fail (tag != NULL && tag[0] != '\0');
204
205 photos_utils_set_string (&self->tag, tag);
206 }
207