aboutsummaryrefslogtreecommitdiffstats
path: root/calendar/gui/itip-bonobo-control.c
blob: 03402776e6b32ac641e10c8b591d5ebd7f055db2 (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
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* Evolution calendar - Control for displaying iTIP mail messages
 *
 * Copyright (C) 2000 Ximian, Inc.
 * Copyright (C) 2000 Ximian, Inc.
 *
 * Author: Jesse Pavel <jpavel@ximian.com>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#include <config.h>
#include <string.h>
#include <glib.h>
#include <gtk/gtkobject.h>
#include <gtk/gtkwidget.h>
#include <bonobo/bonobo-generic-factory.h>
#include <bonobo/bonobo-control.h>
#include <bonobo/bonobo-property-bag.h>
#include <bonobo/bonobo-persist-stream.h>
#include <bonobo/bonobo-stream-client.h>
#include <bonobo/bonobo-context.h>
#include <bonobo/bonobo-exception.h>
#include <libical/ical.h>

#include "e-itip-control.h"
#include "itip-bonobo-control.h"

extern gchar *evolution_dir;

enum E_ITIP_BONOBO_ARGS {
    FROM_ADDRESS_ARG_ID,
    VIEW_ONLY_ARG_ID
};

/*
 * Bonobo::PersistStream
 *
 * These two functions implement the Bonobo::PersistStream load and
 * save methods which allow data to be loaded into and out of the
 * BonoboObject.
 */

static char *
stream_read (Bonobo_Stream stream)
{
    Bonobo_Stream_iobuf *buffer;
    CORBA_Environment ev;
    gchar *data = NULL;
    gint length = 0;

    CORBA_exception_init (&ev);
    do {
#define READ_CHUNK_SIZE 65536
        Bonobo_Stream_read (stream, READ_CHUNK_SIZE,
                    &buffer, &ev);

        if (BONOBO_EX (&ev)) {
            CORBA_exception_free (&ev);
            return NULL;
        }

        if (buffer->_length <= 0)
            break;

        data = g_realloc (data, length + buffer->_length + 1);
        memcpy (data + length, buffer->_buffer, buffer->_length);
        length += buffer->_length;
        data[length] = '\0';
        
        CORBA_free (buffer);
#undef READ_CHUNK_SIZE
    } while (1);
    
    CORBA_free (buffer);
    CORBA_exception_free (&ev);

    if (data == NULL)
        data = g_strdup("");

    return data;
} /* stream_read */

/*
 * This function implements the Bonobo::PersistStream:load method.
 */
typedef struct {
    EItipControl *itip;
    char *text;
} idle_data;

static gboolean
set_data_idle_cb (gpointer data) 
{   
    idle_data *id = data;
    
    e_itip_control_set_data (id->itip, id->text);
    g_object_unref (id->itip);
    g_free (id->text);
    g_free (id);
    
    return FALSE;
}

static void
pstream_load (BonoboPersistStream *ps, const Bonobo_Stream stream,
          Bonobo_Persist_ContentType type, void *data,
          CORBA_Environment *ev)
{
    EItipControl *itip = data;
    idle_data *id;
    
    if (type && g_ascii_strcasecmp (type, "text/calendar") != 0 &&      
        g_ascii_strcasecmp (type, "text/x-calendar") != 0) {
        bonobo_exception_set (ev, ex_Bonobo_Persist_WrongDataType);
        return;
    }

    id = g_new0 (idle_data, 1);
    if ((id->text = stream_read (stream)) == NULL) {
        bonobo_exception_set (ev, ex_Bonobo_Persist_FileNotFound);
        g_free (id);
        return;
    }
    g_object_ref (itip);
    id->itip = itip;
    
    g_idle_add (set_data_idle_cb, id);
}
/*
 * This function implements the Bonobo::PersistStream:save method.
 */
static void
pstream_save (BonoboPersistStream *ps, const Bonobo_Stream stream,
          Bonobo_Persist_ContentType type, void *data,
          CORBA_Environment *ev)
{
    EItipControl *itip = data;
    gchar *text;
    gint len;

    if (type && g_ascii_strcasecmp (type, "text/calendar") != 0 &&      
        g_ascii_strcasecmp (type, "text/x-calendar") != 0) {        
        bonobo_exception_set (ev, ex_Bonobo_Persist_WrongDataType);
        return;
    }

    text = e_itip_control_get_data (itip);
    len = e_itip_control_get_data_size (itip);

    bonobo_stream_client_write (stream, text, len, ev);
    g_free (text);
} /* pstream_save */

/* static CORBA_long */
/* pstream_get_max_size (BonoboPersistStream *ps, void *data, */
/*            CORBA_Environment *ev) */
/* { */
/*  EItipControl *itip = data; */
/*  gint len; */
    
/*  len = e_itip_control_get_data_size (itip); */
    
/*      if (len > 0) */
/*      return len; */

/*  return 0L; */
/* } */

static Bonobo_Persist_ContentTypeList *
pstream_get_content_types (BonoboPersistStream *ps, void *closure,
               CORBA_Environment *ev)
{
    return bonobo_persist_generate_content_types (2, "text/calendar", "text/x-calendar");
}

static void
get_prop (BonoboPropertyBag *bag, 
       BonoboArg *arg,
       guint arg_id,          
       CORBA_Environment *ev,
       gpointer user_data)
{
    EItipControl *itip = user_data;

    switch (arg_id) {
    case FROM_ADDRESS_ARG_ID:
        BONOBO_ARG_SET_STRING (arg, e_itip_control_get_from_address (itip));
        break;
    case VIEW_ONLY_ARG_ID:
        BONOBO_ARG_SET_INT (arg, e_itip_control_get_view_only (itip));
        break;
    }
}

static void
set_prop ( BonoboPropertyBag *bag, 
       const BonoboArg *arg,
       guint arg_id, 
       CORBA_Environment *ev,
       gpointer user_data)
{
    EItipControl *itip = user_data;

    switch (arg_id) {
    case FROM_ADDRESS_ARG_ID:
        e_itip_control_set_from_address (itip, BONOBO_ARG_GET_STRING (arg));
        break;
    case VIEW_ONLY_ARG_ID:
        e_itip_control_set_view_only (itip, BONOBO_ARG_GET_INT (arg));
        break;
    }
}


BonoboControl *
itip_bonobo_control_new (void)
{
    BonoboControl *control;
    BonoboPropertyBag *prop_bag;
    BonoboPersistStream *stream;
    GtkWidget *itip;

    itip = e_itip_control_new ();
    gtk_widget_show (itip);
    control = bonobo_control_new (itip);
    
    /* create a property bag */
    prop_bag = bonobo_property_bag_new (get_prop, set_prop, itip);
    bonobo_property_bag_add (prop_bag, "from_address", FROM_ADDRESS_ARG_ID, BONOBO_ARG_STRING, NULL,
                 "from_address", 0 );
    bonobo_property_bag_add (prop_bag, "view_only", VIEW_ONLY_ARG_ID, BONOBO_ARG_INT, NULL,
                 "view_only", 0 );

    bonobo_control_set_properties (control, bonobo_object_corba_objref (BONOBO_OBJECT (prop_bag)), NULL);
    bonobo_object_unref (BONOBO_OBJECT (prop_bag));

    bonobo_control_set_automerge (control, TRUE);

    stream = bonobo_persist_stream_new (pstream_load, pstream_save,
                        pstream_get_content_types,
                        "OAFIID:GNOME_Evolution_Calendar_iTip_Control:" BASE_VERSION,
                        itip);

    if (stream == NULL) {
        bonobo_object_unref (BONOBO_OBJECT (control));
        return NULL;
    }

    bonobo_object_add_interface (BONOBO_OBJECT (control),
                     BONOBO_OBJECT (stream));

    return control;
}