1 /* Copyright (c) 2006, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * * Neither the name of the Nokia Corporation nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include "modest-singletons.h"
31 #include "modest-runtime.h"
33 /* 'private'/'protected' functions */
34 static void modest_singletons_class_init (ModestSingletonsClass *klass);
35 static void modest_singletons_init (ModestSingletons *obj);
36 static void modest_singletons_finalize (GObject *obj);
38 typedef struct _ModestSingletonsPrivate ModestSingletonsPrivate;
39 struct _ModestSingletonsPrivate {
41 ModestAccountMgr *account_mgr;
42 ModestEmailClipboard *email_clipboard;
43 ModestCacheMgr *cache_mgr;
44 ModestMailOperationQueue *mail_op_queue;
45 TnyPlatformFactory *platform_fact;
47 ModestWindowMgr *window_mgr;
49 #define MODEST_SINGLETONS_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
50 MODEST_TYPE_SINGLETONS, \
51 ModestSingletonsPrivate))
53 static GObjectClass *parent_class = NULL;
56 modest_singletons_get_type (void)
58 static GType my_type = 0;
60 static const GTypeInfo my_info = {
61 sizeof(ModestSingletonsClass),
63 NULL, /* base finalize */
64 (GClassInitFunc) modest_singletons_class_init,
65 NULL, /* class finalize */
66 NULL, /* class data */
67 sizeof(ModestSingletons),
69 (GInstanceInitFunc) modest_singletons_init,
72 my_type = g_type_register_static (G_TYPE_OBJECT,
80 modest_singletons_class_init (ModestSingletonsClass *klass)
82 GObjectClass *gobject_class;
83 gobject_class = (GObjectClass*) klass;
85 parent_class = g_type_class_peek_parent (klass);
86 gobject_class->finalize = modest_singletons_finalize;
88 g_type_class_add_private (gobject_class, sizeof(ModestSingletonsPrivate));
92 modest_singletons_init (ModestSingletons *obj)
94 ModestSingletonsPrivate *priv;
95 priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
98 priv->account_mgr = NULL;
99 priv->email_clipboard = NULL;
100 priv->cache_mgr = NULL;
101 priv->mail_op_queue = NULL;
102 priv->platform_fact = NULL;
104 priv->window_mgr = NULL;
106 priv->conf = modest_conf_new ();
108 g_printerr ("modest: cannot create modest conf instance\n");
112 priv->account_mgr = modest_account_mgr_new (priv->conf);
113 if (!priv->account_mgr) {
114 g_printerr ("modest: cannot create modest account mgr instance\n");
118 priv->email_clipboard = modest_email_clipboard_new ();
119 if (!priv->email_clipboard) {
120 g_printerr ("modest: cannot create modest email clipboard instance\n");
124 priv->platform_fact = modest_tny_platform_factory_get_instance ();
125 if (!priv->platform_fact) {
126 g_printerr ("modest: cannot create platform factory instance\n");
130 priv->device = tny_platform_factory_new_device (priv->platform_fact);
132 g_printerr ("modest: cannot create tny device instance\n");
136 priv->cache_mgr = modest_cache_mgr_new ();
137 if (!priv->cache_mgr) {
138 g_printerr ("modest: cannot create modest cache mgr instance\n");
142 priv->mail_op_queue = modest_mail_operation_queue_new ();
143 if (!priv->mail_op_queue) {
144 g_printerr ("modest: cannot create modest mail operation queue instance\n");
148 priv->window_mgr = modest_window_mgr_new ();
149 if (!priv->window_mgr) {
150 g_printerr ("modest: cannot create modest window manager instance\n");
156 modest_singletons_finalize (GObject *obj)
158 ModestSingletonsPrivate *priv;
160 priv = MODEST_SINGLETONS_GET_PRIVATE(obj);
162 if (priv->window_mgr) {
163 modest_runtime_verify_object_last_ref(priv->window_mgr,"");
164 g_object_unref (G_OBJECT(priv->window_mgr));
165 priv->window_mgr = NULL;
168 if (priv->email_clipboard) {
169 modest_runtime_verify_object_last_ref(priv->email_clipboard,"");
170 g_object_unref (G_OBJECT(priv->email_clipboard));
171 priv->email_clipboard = NULL;
174 if (priv->cache_mgr) {
175 modest_runtime_verify_object_last_ref(priv->cache_mgr,"");
176 g_object_unref (G_OBJECT(priv->cache_mgr));
177 priv->cache_mgr = NULL;
181 modest_runtime_verify_object_last_ref(priv->device,"");
182 g_object_unref (G_OBJECT(priv->device));
186 if (priv->platform_fact) {
187 modest_runtime_verify_object_last_ref(priv->platform_fact,"");
188 g_object_unref (G_OBJECT(priv->platform_fact));
189 priv->platform_fact = NULL;
192 if (priv->mail_op_queue) {
193 modest_runtime_verify_object_last_ref(priv->mail_op_queue,"");
194 g_object_unref (G_OBJECT(priv->mail_op_queue));
195 priv->mail_op_queue = NULL;
198 /* It is important that the account manager is uninitialized after
199 * the mail op queue is uninitialized because the mail op queue
200 * cancells any mail operations which in turn access the account
201 * manager (see modest_mail_operation_notify_end()). */
202 if (priv->account_mgr) {
203 modest_runtime_verify_object_last_ref(priv->account_mgr,"");
204 g_object_unref (G_OBJECT(priv->account_mgr));
205 priv->account_mgr = NULL;
209 modest_runtime_verify_object_last_ref(priv->conf,"");
210 g_object_unref (G_OBJECT(priv->conf));
214 G_OBJECT_CLASS(parent_class)->finalize (obj);
218 modest_singletons_new (void)
220 ModestSingletonsPrivate *priv;
221 ModestSingletons *self;
222 static gboolean invoked = FALSE;
225 g_printerr ("modest: modest_singletons_new may only be called once\n");
226 g_assert (!invoked); /* abort */
227 return NULL; /* g_assert may be NOP */
230 self = MODEST_SINGLETONS(g_object_new(MODEST_TYPE_SINGLETONS, NULL));
231 priv = MODEST_SINGLETONS_GET_PRIVATE(self);
233 /* widget_factory will still be NULL, as it is initialized lazily */
234 if (!(priv->conf && priv->account_mgr && priv->email_clipboard &&
235 priv->cache_mgr && priv->mail_op_queue && priv->device && priv->platform_fact)) {
236 g_printerr ("modest: failed to create singletons object\n");
237 g_object_unref (G_OBJECT(self));
247 modest_singletons_get_conf (ModestSingletons *self)
249 g_return_val_if_fail (self, NULL);
250 return MODEST_SINGLETONS_GET_PRIVATE(self)->conf;
254 modest_singletons_get_account_mgr (ModestSingletons *self)
256 g_return_val_if_fail (self, NULL);
257 return MODEST_SINGLETONS_GET_PRIVATE(self)->account_mgr;
260 ModestEmailClipboard*
261 modest_singletons_get_email_clipboard (ModestSingletons *self)
263 g_return_val_if_fail (self, NULL);
264 return MODEST_SINGLETONS_GET_PRIVATE(self)->email_clipboard;
268 modest_singletons_get_cache_mgr (ModestSingletons *self)
270 g_return_val_if_fail (self, NULL);
271 return MODEST_SINGLETONS_GET_PRIVATE(self)->cache_mgr;
274 ModestMailOperationQueue*
275 modest_singletons_get_mail_operation_queue (ModestSingletons *self)
277 g_return_val_if_fail (self, NULL);
278 return MODEST_SINGLETONS_GET_PRIVATE(self)->mail_op_queue;
282 modest_singletons_get_device (ModestSingletons *self)
284 g_return_val_if_fail (self, NULL);
285 return MODEST_SINGLETONS_GET_PRIVATE(self)->device;
290 modest_singletons_get_platform_factory (ModestSingletons *self)
292 g_return_val_if_fail (self, NULL);
293 return MODEST_SINGLETONS_GET_PRIVATE(self)->platform_fact;
297 modest_singletons_get_window_mgr (ModestSingletons *self)
299 g_return_val_if_fail (self, NULL);
300 return MODEST_SINGLETONS_GET_PRIVATE(self)->window_mgr;