mail/em-filter-source-element.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  *  Authors: Jon Trowbridge <trow@ximian.com>
   4  *           Jeffrey Stedfast <fejj@ximian.com>
   5  *
   6  *  Copyright 2001-2002 Ximian, Inc.(www.ximian.com)
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  * (at your option)any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA.
  21  *
  22  */
  23
  24
  25 #ifdef HAVE_CONFIG_H
  26 #include <config.h>
  27 #endif
  28
  29 #include <string.h>
  30
  31 #include "em-filter-source-element.h"
  32
  33 #include <gtk/gtk.h>
  34 #include <libedataserver/e-sexp.h>
  35 #include <libedataserver/e-account-list.h>
  36 #include <camel/camel-url.h>
  37
  38
  39 static void em_filter_source_element_class_init(EMFilterSourceElementClass *klass);
  40 static void em_filter_source_element_init(EMFilterSourceElement *fs);
  41 static void em_filter_source_element_finalize(GObject *obj);
  42
  43 static int source_eq(FilterElement *fe, FilterElement *cm);
  44 static void xml_create(FilterElement *fe, xmlNodePtr node);
  45 static xmlNodePtr xml_encode(FilterElement *fe);
  46 static int xml_decode(FilterElement *fe, xmlNodePtr node);
  47 static FilterElement *clone(FilterElement *fe);
  48 static GtkWidget *get_widget(FilterElement *fe);
  49 static void build_code(FilterElement *fe, GString *out, struct _FilterPart *ff);
  50 static void format_sexp(FilterElement *, GString *);
  51
  52 static void em_filter_source_element_add_source (EMFilterSourceElement *fs, const char *account_name, const char *name,
  53                                        const char *addr, const char *url);
  54 static void em_filter_source_element_get_sources(EMFilterSourceElement *fs);
  55
  56 typedef struct _SourceInfo {
  57         char *account_name;
  58         char *name;
  59         char *address;
  60         char *url;
  61 } SourceInfo;
  62
  63 struct _EMFilterSourceElementPrivate {
  64         GList *sources;
  65         char *current_url;
  66 };
  67
  68
  69 static FilterElementClass *parent_class = NULL;
  70
  71
  72 GType
  73 em_filter_source_element_get_type(void)
  74 {
  75         static GType type = 0;
  76
  77         if (!type) {
  78                 static const GTypeInfo info = {
  79                         sizeof(EMFilterSourceElementClass),
  80                         NULL, /* base_class_init */
  81                         NULL, /* base_class_finalize */
  82                         (GClassInitFunc)em_filter_source_element_class_init,
  83                         NULL, /* class_finalize */
  84                         NULL, /* class_data */
  85                         sizeof(EMFilterSourceElement),
  86                         0,    /* n_preallocs */
  87                         (GInstanceInitFunc)em_filter_source_element_init,
  88                 };
  89
  90                 type = g_type_register_static(FILTER_TYPE_ELEMENT, "EMFilterSourceElement", &info, 0);
  91         }
  92
  93         return type;
  94 }
  95
  96 static void
  97 em_filter_source_element_class_init(EMFilterSourceElementClass *klass)
  98 {
  99         GObjectClass *object_class = G_OBJECT_CLASS(klass);
 100         FilterElementClass *fe_class = FILTER_ELEMENT_CLASS(klass);
 101
 102         parent_class = g_type_class_ref(FILTER_TYPE_ELEMENT);
 103
 104         object_class->finalize = em_filter_source_element_finalize;
 105
 106         /* override methods */
 107         fe_class->eq = source_eq;
 108         fe_class->xml_create = xml_create;
 109         fe_class->xml_encode = xml_encode;
 110         fe_class->xml_decode = xml_decode;
 111         fe_class->clone = clone;
 112         fe_class->get_widget = get_widget;
 113         fe_class->build_code = build_code;
 114         fe_class->format_sexp = format_sexp;
 115 }
 116
 117 static void
 118 em_filter_source_element_init(EMFilterSourceElement *fs)
 119 {
 120         fs->priv = g_new(struct _EMFilterSourceElementPrivate, 1);
 121         fs->priv->sources = NULL;
 122         fs->priv->current_url = NULL;
 123 }
 124
 125 static void
 126 em_filter_source_element_finalize(GObject *obj)
 127 {
 128         EMFilterSourceElement *fs = (EMFilterSourceElement *)obj;
 129         GList *i = fs->priv->sources;
 130
 131         while (i) {
 132                 SourceInfo *info = i->data;
 133                 g_free(info->account_name);
 134                 g_free(info->name);
 135                 g_free(info->address);
 136                 g_free(info->url);
 137                 g_free(info);
 138                 i = g_list_next(i);
 139         }
 140
 141         g_list_free(fs->priv->sources);
 142         g_free(fs->priv->current_url);
 143
 144         g_free(fs->priv);
 145
 146         G_OBJECT_CLASS(parent_class)->finalize(obj);
 147 }
 148
 149 EMFilterSourceElement *
 150 em_filter_source_element_new(void)
 151 {
 152         return (EMFilterSourceElement *)g_object_new(em_filter_source_element_get_type(), NULL, NULL);
 153 }
 154
 155 static int
 156 source_eq(FilterElement *fe, FilterElement *cm)
 157 {
 158         EMFilterSourceElement *fs = (EMFilterSourceElement *)fe, *cs = (EMFilterSourceElement *)cm;
 159
 160         return FILTER_ELEMENT_CLASS(parent_class)->eq(fe, cm)
 161                 &&((fs->priv->current_url && cs->priv->current_url
 162                      && strcmp(fs->priv->current_url, cs->priv->current_url)== 0)
 163                     ||(fs->priv->current_url == NULL && cs->priv->current_url == NULL));
 164 }
 165
 166 static void
 167 xml_create(FilterElement *fe, xmlNodePtr node)
 168 {
 169         /* Call parent implementation */
 170         FILTER_ELEMENT_CLASS(parent_class)->xml_create(fe, node);
 171 }
 172
 173 static xmlNodePtr
 174 xml_encode(FilterElement *fe)
 175 {
 176         xmlNodePtr value;
 177
 178         EMFilterSourceElement *fs = (EMFilterSourceElement *)fe;
 179
 180         value = xmlNewNode(NULL, "value");
 181         xmlSetProp(value, "name", fe->name);
 182         xmlSetProp(value, "type", "uri");
 183
 184         if (fs->priv->current_url)
 185                 xmlNewTextChild(value, NULL, "uri", fs->priv->current_url);
 186
 187         return value;
 188 }
 189
 190 static gint
 191 xml_decode(FilterElement *fe, xmlNodePtr node)
 192 {
 193         EMFilterSourceElement *fs = (EMFilterSourceElement *)fe;
 194         CamelURL *url;
 195         char *uri;
 196
 197         node = node->children;
 198         while (node != NULL) {
 199                 if (!strcmp(node->name, "uri")) {
 200                         uri = xmlNodeGetContent(node);
 201                         url = camel_url_new(uri, NULL);
 202                         xmlFree(uri);
 203
 204                         g_free(fs->priv->current_url);
 205                         fs->priv->current_url = camel_url_to_string(url, CAMEL_URL_HIDE_ALL);
 206                         camel_url_free(url);
 207                         break;
 208                 }
 209
 210                 node = node->next;
 211         }
 212
 213         return 0;
 214 }
 215
 216 static FilterElement *
 217 clone(FilterElement *fe)
 218 {
 219         EMFilterSourceElement *fs = (EMFilterSourceElement *)fe;
 220         EMFilterSourceElement *cpy = em_filter_source_element_new();
 221         GList *i;
 222
 223         ((FilterElement *)cpy)->name = xmlStrdup(fe->name);
 224
 225         cpy->priv->current_url = g_strdup(fs->priv->current_url);
 226
 227         for (i = fs->priv->sources; i != NULL; i = g_list_next(i)) {
 228                 SourceInfo *info = (SourceInfo *)i->data;
 229                 em_filter_source_element_add_source(cpy, info->account_name, info->name, info->address, info->url);
 230         }
 231
 232         return (FilterElement *)cpy;
 233 }
 234
 235 static void
 236 source_changed(GtkWidget *item, EMFilterSourceElement *fs)
 237 {
 238         SourceInfo *info = (SourceInfo *)g_object_get_data((GObject *)item, "source");
 239
 240         g_free(fs->priv->current_url);
 241         fs->priv->current_url = g_strdup(info->url);
 242 }
 243
 244 static GtkWidget *
 245 get_widget(FilterElement *fe)
 246 {
 247         EMFilterSourceElement *fs = (EMFilterSourceElement *)fe;
 248         GtkWidget *menu;
 249         GtkWidget *omenu;
 250         GtkWidget *item;
 251         GList *i;
 252         SourceInfo *first = NULL;
 253         int index, current_index;
 254
 255         if (fs->priv->sources == NULL)
 256                 em_filter_source_element_get_sources(fs);
 257
 258         menu = gtk_menu_new();
 259
 260         index = 0;
 261         current_index = -1;
 262
 263         for (i = fs->priv->sources; i != NULL; i = g_list_next(i)) {
 264                 SourceInfo *info = (SourceInfo *)i->data;
 265                 char *label;
 266
 267                 if (info->url != NULL) {
 268                         if (first == NULL)
 269                                 first = info;
 270
 271                         if (info->account_name && strcmp(info->account_name, info->address))
 272                                 label = g_strdup_printf("%s <%s>(%s)", info->name,
 273                                                          info->address, info->account_name);
 274                         else
 275                                 label = g_strdup_printf("%s <%s>", info->name, info->address);
 276
 277                         item = gtk_menu_item_new_with_label(label);
 278                         g_free(label);
 279
 280                         g_object_set_data((GObject *)item, "source", info);
 281                         g_signal_connect(item, "activate", G_CALLBACK(source_changed), fs);
 282
 283                         gtk_menu_shell_append(GTK_MENU_SHELL(menu), item);
 284                         gtk_widget_show(item);
 285
 286                         if (fs->priv->current_url && !strcmp(info->url, fs->priv->current_url))
 287                                 current_index = index;
 288
 289                         index++;
 290                 }
 291         }
 292
 293         omenu = gtk_option_menu_new();
 294         gtk_option_menu_set_menu(GTK_OPTION_MENU(omenu), menu);
 295
 296         if (current_index >= 0) {
 297                 gtk_option_menu_set_history(GTK_OPTION_MENU(omenu), current_index);
 298         } else {
 299                 gtk_option_menu_set_history(GTK_OPTION_MENU(omenu), 0);
 300                 g_free(fs->priv->current_url);
 301
 302                 if (first)
 303                         fs->priv->current_url = g_strdup(first->url);
 304                 else
 305                         fs->priv->current_url = NULL;
 306         }
 307
 308         return omenu;
 309 }
 310
 311 static void
 312 build_code(FilterElement *fe, GString *out, struct _FilterPart *ff)
 313 {
 314         /* We are doing nothing on purpose. */
 315 }
 316
 317 static void
 318 format_sexp(FilterElement *fe, GString *out)
 319 {
 320         EMFilterSourceElement *fs = (EMFilterSourceElement *)fe;
 321
 322         e_sexp_encode_string(out, fs->priv->current_url);
 323 }
 324
 325
 326 static void
 327 em_filter_source_element_add_source(EMFilterSourceElement *fs, const char *account_name, const char *name,
 328                           const char *addr, const char *url)
 329 {
 330         SourceInfo *info;
 331
 332         g_return_if_fail(EM_IS_FILTER_SOURCE_ELEMENT(fs));
 333
 334         info = g_new0(SourceInfo, 1);
 335         info->account_name = g_strdup(account_name);
 336         info->name = g_strdup(name);
 337         info->address = g_strdup(addr);
 338         info->url = g_strdup(url);
 339
 340         fs->priv->sources = g_list_append(fs->priv->sources, info);
 341 }
 342
 343 static void
 344 em_filter_source_element_get_sources(EMFilterSourceElement *fs)
 345 {
 346         EAccountList *accounts;
 347         const EAccount *account;
 348         GConfClient *gconf;
 349         EIterator *it;
 350         char *uri;
 351         CamelURL *url;
 352
 353         /* should this get the global object from mail? */
 354         gconf = gconf_client_get_default();
 355         accounts = e_account_list_new(gconf);
 356         g_object_unref(gconf);
 357
 358         for (it = e_list_get_iterator((EList *)accounts);
 359              e_iterator_is_valid(it);
 360              e_iterator_next(it)) {
 361                 account = (const EAccount *)e_iterator_get(it);
 362
 363                 if (account->source == NULL || account->source->url == NULL || account->source->url[0] == 0)
 364                         continue;
 365
 366                 url = camel_url_new(account->source->url, NULL);
 367                 if (url) {
 368                         /* hide secret stuff */
 369                         uri = camel_url_to_string(url, CAMEL_URL_HIDE_ALL);
 370                         camel_url_free(url);
 371                         em_filter_source_element_add_source(fs, account->name, account->id->name, account->id->address, uri);
 372                         g_free(uri);
 373                 }
 374         }
 375         g_object_unref(it);
 376         g_object_unref(accounts);
 377 }