aboutsummaryrefslogtreecommitdiffstats
path: root/shell/e-uri-schema-registry.c
blob: f288bf16f3a51ba026b96c8f36700c36e07b7d6d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-uri-schema-registry.c
 *
 * Copyright (C) 2001  Ximian, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 2 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * This program 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
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public
 * License along with this program; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Author: Ettore Perazzoli <ettore@ximian.com>
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-uri-schema-registry.h"

#include <gal/util/e-util.h>


#define PARENT_TYPE gtk_object_get_type ()
static GtkObjectClass *parent_class = NULL;

struct _SchemaHandler {
    char *schema;
    EvolutionShellComponentClient *component;
};
typedef struct _SchemaHandler SchemaHandler;

struct _EUriSchemaRegistryPrivate {
    GHashTable *schema_to_handler;
};


/* SchemaHandler.  */

static SchemaHandler *
schema_handler_new (const char *schema,
            EvolutionShellComponentClient *component)
{
    SchemaHandler *handler;

    handler = g_new (SchemaHandler, 1);
    handler->schema    = g_strdup (schema);
    handler->component = component;

    bonobo_object_ref (BONOBO_OBJECT (component));

    return handler;
}

static void
schema_handler_free (SchemaHandler *handler)
{
    g_free (handler->schema);
    bonobo_object_unref (BONOBO_OBJECT (handler->component));

    g_free (handler);
}


static void
schema_to_handler_destroy_foreach_callback (void *key,
                        void *value,
                        void *data)
{
    schema_handler_free ((SchemaHandler *) value);
}


/* GtkObject methods.  */

static void
impl_destroy (GtkObject *object)
{
    EUriSchemaRegistry *registry;
    EUriSchemaRegistryPrivate *priv;

    registry = E_URI_SCHEMA_REGISTRY (object);
    priv = registry->priv;

    g_hash_table_foreach (priv->schema_to_handler, schema_to_handler_destroy_foreach_callback, NULL);
    g_hash_table_destroy (priv->schema_to_handler);
    g_free (priv);

    (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}


static void
class_init (GtkObjectClass *object_class)
{
    parent_class = gtk_type_class (PARENT_TYPE);

    object_class->destroy = impl_destroy;
}

static void
init (EUriSchemaRegistry *uri_schema_registry)
{
    EUriSchemaRegistryPrivate *priv;

    priv = g_new (EUriSchemaRegistryPrivate, 1);
    priv->schema_to_handler = g_hash_table_new (g_str_hash, g_str_equal);

    uri_schema_registry->priv = priv;

    GTK_OBJECT_UNSET_FLAGS (uri_schema_registry, GTK_FLOATING);
}


EUriSchemaRegistry *
e_uri_schema_registry_new (void)
{
    EUriSchemaRegistry *registry;

    registry = g_object_new (e_uri_schema_registry_get_type (), NULL);

    return registry;
}


void
e_uri_schema_registry_set_handler_for_schema (EUriSchemaRegistry *registry,
                          const char *schema,
                          EvolutionShellComponentClient *shell_component)
{
    EUriSchemaRegistryPrivate *priv;
    SchemaHandler *existing_handler;
    SchemaHandler *new_handler;

    g_return_if_fail (registry != NULL);
    g_return_if_fail (E_IS_URI_SCHEMA_REGISTRY (registry));
    g_return_if_fail (schema != NULL);
    g_return_if_fail (shell_component == NULL || EVOLUTION_IS_SHELL_COMPONENT_CLIENT (shell_component));

    priv = registry->priv;

    existing_handler = g_hash_table_lookup (priv->schema_to_handler, schema);
    if (existing_handler != NULL) {
        g_hash_table_remove (priv->schema_to_handler, existing_handler->schema);
        schema_handler_free (existing_handler);
    }

    new_handler = schema_handler_new (schema, shell_component);
    g_hash_table_insert (priv->schema_to_handler, new_handler->schema, new_handler);
}

EvolutionShellComponentClient *
e_uri_schema_registry_get_handler_for_schema (EUriSchemaRegistry *registry,
                          const char *schema)
{
    EUriSchemaRegistryPrivate *priv;
    const SchemaHandler *handler;

    g_return_val_if_fail (registry != NULL, NULL);
    g_return_val_if_fail (E_IS_URI_SCHEMA_REGISTRY (registry), NULL);
    g_return_val_if_fail (schema != NULL, NULL);

    priv = registry->priv;

    handler = g_hash_table_lookup (priv->schema_to_handler, schema);
    if (handler == NULL)
        return NULL;

    return handler->component;
}


E_MAKE_TYPE (e_uri_schema_registry, "EUriSchemaRegistry", EUriSchemaRegistry, class_init, init, PARENT_TYPE)