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#include "dconf-engine.h"
#include <gvdb/gvdb-reader.h>
struct _DConfEngine
{
gint ref_count;
};
DConfEngine *
dconf_engine_new (DConfEngineServiceFunc service_func)
{
DConfEngine *engine;
engine = g_slice_new (DConfEngine);
engine->ref_count = 1;
return engine;
}
DConfEngine *
dconf_engine_ref (DConfEngine *engine)
{
g_atomic_int_inc (&engine->ref_count);
return engine;
}
void
dconf_engine_unref (DConfEngine *engine)
{
if (g_atomic_int_dec_and_test (&engine->ref_count))
g_slice_free (DConfEngine, engine);
}
GVariant *
dconf_engine_read (DConfEngine *engine,
const gchar *key,
const GVariantType *required_type,
DConfEngineReadType type)
{
GvdbTable *table;
GVariant *value;
gchar *filename;
if (type == DCONF_ENGINE_READ_RESET)
return NULL;
filename = g_build_filename (g_get_user_config_dir (), "dconf", NULL);
table = gvdb_table_new (filename, FALSE, NULL);
g_free (filename);
value = gvdb_table_get_value (table, key, NULL);
gvdb_table_unref (table);
return value;
}
static void
dconf_engine_make_match_rule (DConfEngine *engine,
DConfEngineMessage *dcem,
const gchar *name)
{
gchar *rule;
rule = g_strdup_printf ("interface='ca.desrt.dconf.Writer',"
"arg1path='%s'", name);
dcem->bus_type = 'e';
dcem->destination = "org.freedesktop.DBus";
dcem->object_path = "/";
dcem->interface = "org.freedesktop.DBus";
dcem->body = g_variant_ref_sink (g_variant_new ("(s)", rule));
g_free (rule);
}
void
dconf_engine_watch (DConfEngine *engine,
DConfEngineMessage *dcem,
const gchar *name)
{
dconf_engine_make_match_rule (engine, dcem, name);
dcem->method = "AddMatch";
}
void
dconf_engine_unwatch (DConfEngine *engine,
DConfEngineMessage *dcem,
const gchar *name)
{
dconf_engine_make_match_rule (engine, dcem, name);
dcem->method = "DeleteMatch";
}
gboolean
dconf_engine_is_writable (DConfEngine *engine,
DConfEngineMessage *dcem,
const gchar *name)
{
dcem->bus_type = 'e';
dcem->body = NULL;
return TRUE;
}
static GVariant *
fake_maybe (GVariant *value)
{
GVariantBuilder builder;
g_variant_builder_init (&builder, G_VARIANT_TYPE ("av"));
if (value != NULL)
g_variant_builder_add (&builder, "v", value);
return g_variant_builder_end (&builder);
}
static void
dconf_engine_dcem (DConfEngine *engine,
DConfEngineMessage *dcem,
const gchar *method,
const gchar *format_string,
...)
{
va_list ap;
dcem->bus_type = 'e';
dcem->destination = "ca.desrt.dconf";
dcem->object_path = "/";
dcem->interface = "ca.desrt.dconf.Writer";
dcem->method = method;
va_start (ap, format_string);
dcem->body = g_variant_ref_sink (g_variant_new_va (format_string,
NULL, &ap));
va_end (ap);
}
gboolean
dconf_engine_write (DConfEngine *engine,
DConfEngineMessage *dcem,
const gchar *name,
GVariant *value)
{
dconf_engine_dcem (engine, dcem,
"Write", "(s@av)",
name, fake_maybe (value));
return TRUE;
}
gboolean
dconf_engine_write_many (DConfEngine *engine,
DConfEngineMessage *dcem,
const gchar *prefix,
const gchar * const *keys,
GVariant **values)
{
GVariantBuilder builder;
gsize i;
g_variant_builder_init (&builder, G_VARIANT_TYPE ("a(sav)"));
for (i = 0; keys[i]; i++)
g_variant_builder_add (&builder, "(s@av)",
keys[i], fake_maybe (values[i]));
dconf_engine_dcem (engine, dcem, "Merge", "(sa(sav))", prefix, &builder);
return TRUE;
}
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