aboutsummaryrefslogtreecommitdiffstats
path: root/calendar/gui/alarm-notify/alarm-notify.c
blob: f0824bd8f4998dbda611c525d67f2b98772d2865 (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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
/* Evolution calendar - Alarm notification service object
 *
 * Copyright (C) 2000 Ximian, Inc.
 * Copyright (C) 2000 Ximian, Inc.
 *
 * Author: Federico Mena-Quintero <federico@ximian.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <libgnomevfs/gnome-vfs.h>
#include <cal-client/cal-client.h>
#include "alarm-notify.h"
#include "alarm-queue.h"



/* A loaded client */
typedef struct {
    /* The actual client */
    CalClient *client;

    /* The URI of the client in gnome-vfs's format.  This *is* the key that
     * is stored in the uri_client_hash hash table below.
     */
    GnomeVFSURI *uri;

    /* Number of times clients have requested this URI to be added to the
     * alarm notification system.
     */
    int refcount;
} LoadedClient;

/* Private part of the AlarmNotify structure */
struct _AlarmNotifyPrivate {
    /* Mapping from GnomeVFSURIs to LoadedClient structures */
    GHashTable *uri_client_hash;
};



static void alarm_notify_class_init (AlarmNotifyClass *class);
static void alarm_notify_init (AlarmNotify *an);
static void alarm_notify_destroy (GtkObject *object);

static POA_GNOME_Evolution_Calendar_AlarmNotify__vepv alarm_notify_vepv;

static BonoboObjectClass *parent_class;



/**
 * alarm_notify_get_type:
 * 
 * Registers the #AlarmNotify class if necessary, and returns the type ID
 * associated to it.
 * 
 * Return value: The type ID of the #AlarmNotify class.
 **/
GtkType
alarm_notify_get_type (void)
{
    static GtkType alarm_notify_type = 0;

    if (!alarm_notify_type) {
        static const GtkTypeInfo alarm_notify_info = {
            "AlarmNotify",
            sizeof (AlarmNotify),
            sizeof (AlarmNotifyClass),
            (GtkClassInitFunc) alarm_notify_class_init,
            (GtkObjectInitFunc) alarm_notify_init,
            NULL, /* reserved_1 */
            NULL, /* reserved_2 */
            (GtkClassInitFunc) NULL
        };

        alarm_notify_type = gtk_type_unique (BONOBO_OBJECT_TYPE, &alarm_notify_info);
    }

    return alarm_notify_type;
}

/* CORBA class initialization function for the alarm notify service */
static void
init_alarm_notify_corba_class (void)
{
    alarm_notify_vepv.Bonobo_Unknown_epv = bonobo_object_get_epv ();
    alarm_notify_vepv.GNOME_Evolution_Calendar_AlarmNotify_epv = alarm_notify_get_epv ();
}

/* Class initialization function for the alarm notify service */
static void
alarm_notify_class_init (AlarmNotifyClass *class)
{
    GtkObjectClass *object_class;

    object_class = (GtkObjectClass *) class;

    parent_class = gtk_type_class (BONOBO_OBJECT_TYPE);

    object_class->destroy = alarm_notify_destroy;

    init_alarm_notify_corba_class ();
}

/* Object initialization function for the alarm notify system */
static void
alarm_notify_init (AlarmNotify *an)
{
    AlarmNotifyPrivate *priv;

    priv = g_new0 (AlarmNotifyPrivate, 1);
    an->priv = priv;

    priv->uri_client_hash = g_hash_table_new (gnome_vfs_uri_hash, gnome_vfs_uri_hequal);
}

/* Callback used from g_hash-table_forach(), used to destroy a loade client */
static void
destroy_loaded_client_cb (gpointer key, gpointer value, gpointer data)
{
    LoadedClient *lc;

    lc = value;

    gtk_object_unref (GTK_OBJECT (lc->client));
    gnome_vfs_uri_unref (lc->uri);
    g_free (lc);
}

/* Destroy handler for the alarm notify system */
static void
alarm_notify_destroy (GtkObject *object)
{
    AlarmNotify *an;
    AlarmNotifyPrivate *priv;

    g_return_if_fail (object != NULL);
    g_return_if_fail (IS_ALARM_NOTIFY (object));

    an = ALARM_NOTIFY (object);
    priv = an->priv;

    g_hash_table_foreach (priv->uri_client_hash, destroy_loaded_client_cb, NULL);

    g_hash_table_destroy (priv->uri_client_hash);
    priv->uri_client_hash = NULL;

    g_free (priv);
    an->priv = NULL;

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



/* CORBA servant implementation */

/* AlarmNotify::addCalendar method */
static void
AlarmNotify_addCalendar (PortableServer_Servant servant,
             const CORBA_char *str_uri,
             CORBA_Environment *ev)
{
    AlarmNotify *an;
    AlarmNotifyPrivate *priv;
    GnomeVFSURI *uri;
    CalClient *client;
    LoadedClient *lc;

    an = ALARM_NOTIFY (bonobo_object_from_servant (servant));
    priv = an->priv;

    uri = gnome_vfs_uri_new (str_uri);
    if (!uri) {
        CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
                     ex_GNOME_Evolution_Calendar_AlarmNotify_InvalidURI,
                     NULL);
        return;
    }

    lc = g_hash_table_lookup (priv->uri_client_hash, uri);

    if (lc) {
        gnome_vfs_uri_unref (uri);
        g_assert (lc->refcount > 0);
        lc->refcount++;
        return;
    }

    client = cal_client_new ();

    if (client) {
        if (cal_client_open_calendar (client, str_uri, FALSE)) {
            lc = g_new (LoadedClient, 1);
            lc->client = client;
            lc->uri = uri;
            lc->refcount = 1;
            g_hash_table_insert (priv->uri_client_hash, uri, lc);

            alarm_queue_add_client (client);
        } else {
            gtk_object_unref (GTK_OBJECT (client));
            client = NULL;
        }
    }

    if (!client) {
        gnome_vfs_uri_unref (uri);

        CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
                     ex_GNOME_Evolution_Calendar_AlarmNotify_BackendContactError,
                     NULL);
        return;
    }
}

/* AlarmNotify::removeCalendar method */
static void
AlarmNotify_removeCalendar (PortableServer_Servant servant,
                const CORBA_char *str_uri,
                CORBA_Environment *ev)
{
    AlarmNotify *an;
    AlarmNotifyPrivate *priv;
    LoadedClient *lc;
    GnomeVFSURI *uri;

    an = ALARM_NOTIFY (bonobo_object_from_servant (servant));
    priv = an->priv;

    uri = gnome_vfs_uri_new (str_uri);
    if (!uri) {
        CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
                     ex_GNOME_Evolution_Calendar_AlarmNotify_InvalidURI,
                     NULL);
        return;
    }

    lc = g_hash_table_lookup (priv->uri_client_hash, uri);
    gnome_vfs_uri_unref (uri);

    if (!lc) {
        CORBA_exception_set (ev, CORBA_USER_EXCEPTION,
                     ex_GNOME_Evolution_Calendar_AlarmNotify_NotFound,
                     NULL);
        return;
    }

    g_assert (lc->refcount > 0);

    lc->refcount--;
    if (lc->refcount > 0)
        return;

    g_hash_table_remove (priv->uri_client_hash, lc->uri);

    gtk_object_unref (GTK_OBJECT (lc->client));
    gnome_vfs_uri_unref (lc->uri);
    g_free (lc);
}

static void
AlarmNotify_die (PortableServer_Servant servant,
         CORBA_Environment *ev)
{
    AlarmNotify *an;
    AlarmNotifyPrivate *priv;

    an = ALARM_NOTIFY (bonobo_object_from_servant (servant));
    priv = an->priv;

    /* FIXME */
}

/**
 * alarm_notify_get_epv:
 * 
 * Creates an EPV for the AlarmNotify CORBA class.
 * 
 * Return value: A newly-allocated EPV.
 **/
POA_GNOME_Evolution_Calendar_AlarmNotify__epv *
alarm_notify_get_epv (void)
{
    POA_GNOME_Evolution_Calendar_AlarmNotify__epv *epv;

    epv = g_new0 (POA_GNOME_Evolution_Calendar_AlarmNotify__epv, 1);
    epv->addCalendar = AlarmNotify_addCalendar;
    epv->removeCalendar = AlarmNotify_removeCalendar;
    epv->die = AlarmNotify_die;
    return epv;
}



/**
 * alarm_notify_construct:
 * @an: An alarm notification service object.
 * @corba_an: CORBA object for the alarm notification service.
 * 
 * Constructs an alarm notification service object by binding the corresponding
 * CORBA object to it.
 * 
 * Return value: the same object as the @an argument.
 **/
AlarmNotify *
alarm_notify_construct (AlarmNotify *an,
            GNOME_Evolution_Calendar_AlarmNotify corba_an)
{
    g_return_val_if_fail (an != NULL, NULL);
    g_return_val_if_fail (IS_ALARM_NOTIFY (an), NULL);

    /* FIXME: add_interface the property bag here */

    bonobo_object_construct (BONOBO_OBJECT (an), corba_an);
    return an;
}

/**
 * alarm_notify_corba_object_create:
 * @object: #BonoboObject that will wrap the CORBA object.
 * 
 * Creates and activates the CORBA object that is wrapped by the specified alarm
 * notification service @object.
 * 
 * Return value: An activated object reference or #CORBA_OBJECT_NIL in case of
 * failure.
 **/
GNOME_Evolution_Calendar_AlarmNotify
alarm_notify_corba_object_create (BonoboObject *object)
{
    POA_GNOME_Evolution_Calendar_AlarmNotify *servant;
    CORBA_Environment ev;

    g_return_val_if_fail (object != NULL, CORBA_OBJECT_NIL);
    g_return_val_if_fail (IS_ALARM_NOTIFY (object), CORBA_OBJECT_NIL);

    servant = (POA_GNOME_Evolution_Calendar_AlarmNotify *) g_new (BonoboObjectServant, 1);
    servant->vepv = &alarm_notify_vepv;

    CORBA_exception_init (&ev);
    POA_GNOME_Evolution_Calendar_AlarmNotify__init ((PortableServer_Servant) servant, &ev);
    if (ev._major != CORBA_NO_EXCEPTION) {
        g_free (servant);
        CORBA_exception_free (&ev);
        return CORBA_OBJECT_NIL;
    }

    CORBA_exception_free (&ev);
    return (GNOME_Evolution_Calendar_AlarmNotify) bonobo_object_activate_servant (
        object, servant);
}

/**
 * alarm_notify_new:
 * 
 * Creates a new #AlarmNotify object.
 * 
 * Return value: A newly-created #AlarmNotify, or NULL if its corresponding
 * CORBA object could not be created.
 **/
AlarmNotify *
alarm_notify_new (void)
{
    AlarmNotify *an;
    GNOME_Evolution_Calendar_AlarmNotify corba_an;
    CORBA_Environment ev;
    gboolean result;

    an = gtk_type_new (TYPE_ALARM_NOTIFY);

    corba_an = alarm_notify_corba_object_create (BONOBO_OBJECT (an));

    CORBA_exception_init (&ev);
    result = CORBA_Object_is_nil (corba_an, &ev);

    if (ev._major != CORBA_NO_EXCEPTION || result) {
        g_message ("alarm_notify_new(): could not create the CORBA alarm notify service");
        bonobo_object_unref (BONOBO_OBJECT (an));
        CORBA_exception_free (&ev);
        return NULL;
    }
    CORBA_exception_free (&ev);

    return alarm_notify_construct (an, corba_an);
}