1 /*
2  * Copyright © 2014  Red Hat, Inc. All rights reserved.
3  * Copyright © 2014  Ding-Yi Chen <dchen@redhat.com>
4  *
5  * This file is part of the ibus-chewing Project.
6  *
7  * This program is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU General Public License
9  * as published by the Free Software Foundation; either version 2
10  * of the License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
20  */
21 
22 #include <ibus.h>
23 #include "MakerDialogUtil.h"
24 #include "GSettingsBackend.h"
25 #include "IBusChewingUtil.h"
26 #include "IBusConfigBackend.h"
27 #include "IBusChewingProperties.h"
28 
29 /*============================================
30  * Class methods
31  */
32 
33 
34 #define KEY_BUFFER_SIZE 100
to_real_section(gchar * confSection,MkdgBackend * backend,const gchar * section)35 static gchar *to_real_section(gchar * confSection, MkdgBackend * backend,
36 			      const gchar * section)
37 {
38 
39     if (!STRING_IS_EMPTY(backend->basePath)) {
40 	g_strlcpy(confSection, backend->basePath, KEY_BUFFER_SIZE);
41     } else {
42 	g_strlcpy(confSection, "", KEY_BUFFER_SIZE);
43     }
44 
45     if (!STRING_IS_EMPTY(section)) {
46 	g_strlcat(confSection, section, KEY_BUFFER_SIZE);
47 	g_strlcat(confSection, "/", KEY_BUFFER_SIZE);
48     }
49     return confSection;
50 }
51 
ibus_config_backend_read_value(MkdgBackend * backend,GValue * value,const gchar * section,const gchar * key,gpointer userData)52 GValue *ibus_config_backend_read_value(MkdgBackend * backend,
53 				       GValue * value,
54 				       const gchar * section,
55 				       const gchar * key,
56 				       gpointer userData)
57 {
58     IBusConfig *config = (IBusConfig *) backend->config;
59     gchar confSection[KEY_BUFFER_SIZE];
60     to_real_section(confSection, backend, section);
61     printf("confSection=%s\n", confSection);
62 #if IBUS_CHECK_VERSION(1, 4, 0)
63     GVariant *gVar = ibus_config_get_value(config, confSection,
64 					   key);
65     if (gVar == NULL) {
66 	return NULL;
67     }
68     g_variant_ref_sink(gVar);
69     mkdg_g_variant_to_g_value(gVar, value);
70     g_variant_unref(gVar);
71     return value;
72 #else
73     return ibus_config_get_value(config, confSection, key, value);
74 #endif
75 }
76 
77 
ibus_config_backend_write_value(MkdgBackend * backend,GValue * value,const gchar * section,const gchar * key,gpointer userData)78 gboolean ibus_config_backend_write_value(MkdgBackend * backend,
79 					 GValue * value,
80 					 const gchar * section,
81 					 const gchar * key,
82 					 gpointer userData)
83 {
84     gboolean result = FALSE;
85     IBusConfig *config = (IBusConfig *) backend->config;
86     gchar confSection[KEY_BUFFER_SIZE];
87     to_real_section(confSection, backend, section);
88 #if IBUS_CHECK_VERSION(1, 4, 0)
89     GVariant *gVar = g_variant_ref_sink(mkdg_g_value_to_g_variant(value));
90     if (gVar != NULL) {
91 	result = ibus_config_set_value(config, confSection, key, gVar);
92     }
93 #else
94     result = ibus_config_set_value(config, confSection, key, value);
95 #endif
96 
97     if (result == FALSE) {
98 	mkdg_log(WARN,
99 		 "ibus_config_backend_write_value(-, %s, -) %s %s",
100 		 key, "Failed to set variable", key);
101 	return FALSE;
102     }
103 
104     if (!config) {
105 	mkdg_log(WARN,
106 		 "ibus_config_backend_write_value(-, %s, -) %s",
107 		 key, "Failed to connect to IBusService");
108 	return FALSE;
109     }
110     return TRUE;
111 }
112 
113 /*
114  * basePath is shorter that other backend, as ibus-config should provide ibus level base
115  */
ibus_config_backend_new(IBusService * service,const gchar * basePath,gpointer auxData)116 MkdgBackend *ibus_config_backend_new(IBusService * service,
117 				     const gchar * basePath,
118 				     gpointer auxData)
119 {
120     IBusConfig *config = NULL;
121 #if IBUS_CHECK_VERSION(1, 4, 0)
122     GError *error = NULL;
123     GDBusConnection *connection = ibus_service_get_connection(service);
124     config = g_object_ref_sink(ibus_config_new(connection, NULL, &error));
125     g_assert(error == NULL);
126 #else
127     GList *connections_list = ibus_service_get_connections(service);
128     g_assert(connections_list);
129     g_assert(connections_list->data);
130     IBusConnection *iConnection =
131 	(IBusConnection *) connections_list->data;
132     config = g_object_ref_sink(ibus_config_new(iConnection));
133 #endif
134     MkdgBackend *result =
135 	mkdg_backend_new(IBUS_CONFIG_BACKEND_ID, (gpointer) config,
136 			 basePath, auxData);
137     result->readFunc = ibus_config_backend_read_value;
138     result->writeFunc = ibus_config_backend_write_value;
139     return result;
140 }
141