backend/ev-link.c

   1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
   2 /* this file is part of evince, a gnome document viewer
   3  *
   4  *  Copyright (C) 2005 Red Hat, Inc.
   5  *
   6  * Evince is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * Evince is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #endif
  24
  25 #include "ev-link.h"
  26
  27 enum {
  28         PROP_0,
  29         PROP_TITLE,
  30         PROP_TYPE,
  31         PROP_PAGE,
  32         PROP_URI
  33 };
  34
  35
  36 struct _EvLink {
  37         GObject base_instance;
  38         EvLinkPrivate *priv;
  39 };
  40
  41 struct _EvLinkClass {
  42         GObjectClass base_class;
  43 };
  44
  45 struct _EvLinkPrivate {
  46         char *title;
  47         char *uri;
  48         EvLinkType type;
  49         int page;
  50 };
  51
  52 G_DEFINE_TYPE (EvLink, ev_link, G_TYPE_OBJECT)
  53
  54 #define EV_LINK_GET_PRIVATE(object) \
  55         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_LINK, EvLinkPrivate))
  56
  57 GType
  58 ev_link_type_get_type (void)
  59 {
  60         static GType type = 0;
  61
  62         if (G_UNLIKELY (type == 0)) {
  63                 static const GEnumValue values[] = {
  64                         { EV_LINK_TYPE_TITLE, "EV_LINK_TYPE_TITLE", "title" },
  65                         { EV_LINK_TYPE_PAGE, "EV_LINK_TYPE_PAGE", "page" },
  66                         { EV_LINK_TYPE_EXTERNAL_URI, "EV_LINK_TYPE_EXTERNAL_URI", "external" },
  67                         { 0, NULL, NULL }
  68                 };
  69
  70                 type = g_enum_register_static ("EvLinkType", values);
  71         }
  72
  73         return type;
  74 }
  75
  76 const char *
  77 ev_link_get_title (EvLink *self)
  78 {
  79         g_return_val_if_fail (EV_IS_LINK (self), NULL);
  80
  81         return self->priv->title;
  82 }
  83
  84 void
  85 ev_link_set_title (EvLink* self, const char *title)
  86 {
  87         g_assert (EV_IS_LINK (self));
  88         g_assert (title != NULL);
  89
  90         if (self->priv->title != NULL) {
  91                 g_free (self->priv->title);
  92         }
  93
  94         self->priv->title = g_strdup (title);
  95
  96         g_object_notify (G_OBJECT (self), "title");
  97 }
  98
  99 const char *
 100 ev_link_get_uri (EvLink *self)
 101 {
 102         g_return_val_if_fail (EV_IS_LINK (self), NULL);
 103
 104         return self->priv->uri;
 105 }
 106
 107 void
 108 ev_link_set_uri (EvLink* self, const char *uri)
 109 {
 110         g_assert (EV_IS_LINK (self));
 111         g_assert (uri != NULL);
 112
 113         if (self->priv->uri != NULL) {
 114                 g_free (self->priv->uri);
 115         }
 116
 117         self->priv->uri = g_strdup (uri);
 118
 119         g_object_notify (G_OBJECT (self), "uri");
 120 }
 121
 122 EvLinkType
 123 ev_link_get_link_type (EvLink *self)
 124 {
 125         g_return_val_if_fail (EV_IS_LINK (self), 0);
 126
 127         return self->priv->type;
 128 }
 129
 130 void
 131 ev_link_set_link_type (EvLink* self, EvLinkType type)
 132 {
 133         g_assert (EV_IS_LINK (self));
 134
 135         self->priv->type = type;
 136
 137         g_object_notify (G_OBJECT (self), "type");
 138 }
 139
 140 int
 141 ev_link_get_page (EvLink *self)
 142 {
 143         g_return_val_if_fail (EV_IS_LINK (self), 0);
 144
 145         return self->priv->page;
 146 }
 147
 148 void
 149 ev_link_set_page (EvLink* self, int page)
 150 {
 151         g_assert (EV_IS_LINK (self));
 152
 153         self->priv->page = page;
 154
 155         g_object_notify (G_OBJECT (self), "page");
 156 }
 157
 158 static void
 159 ev_link_get_property (GObject *object, guint prop_id, GValue *value,
 160                       GParamSpec *param_spec)
 161 {
 162         EvLink *self;
 163
 164         self = EV_LINK (object);
 165
 166         switch (prop_id) {
 167         case PROP_TITLE:
 168                 g_value_set_string (value, self->priv->title);
 169                 break;
 170         case PROP_URI:
 171                 g_value_set_string (value, self->priv->uri);
 172                 break;
 173         case PROP_TYPE:
 174                 g_value_set_enum (value, self->priv->type);
 175                 break;
 176         case PROP_PAGE:
 177                 g_value_set_int (value, self->priv->page);
 178                 break;
 179         default:
 180                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
 181                                                    prop_id,
 182                                                    param_spec);
 183                 break;
 184         }
 185 }
 186
 187 static void
 188 ev_link_set_property (GObject *object, guint prop_id, const GValue *value,
 189                       GParamSpec *param_spec)
 190 {
 191         EvLink *self;
 192
 193         self = EV_LINK (object);
 194
 195         switch (prop_id) {
 196         case PROP_TITLE:
 197                 ev_link_set_title (self, g_value_get_string (value));
 198                 break;
 199         case PROP_URI:
 200                 ev_link_set_uri (self, g_value_get_string (value));
 201                 break;
 202         case PROP_TYPE:
 203                 ev_link_set_link_type (self, g_value_get_enum (value));
 204                 break;
 205         case PROP_PAGE:
 206                 ev_link_set_page (self, g_value_get_int (value));
 207                 break;
 208         default:
 209                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
 210                                                    prop_id,
 211                                                    param_spec);
 212                 break;
 213         }
 214 }
 215
 216 static void
 217 ev_window_dispose (GObject *object)
 218 {
 219         EvLinkPrivate *priv;
 220
 221         g_return_if_fail (EV_IS_LINK (object));
 222
 223         priv = EV_LINK (object)->priv;
 224
 225         if (priv->title) {
 226                 g_free (priv->title);
 227                 priv->title = NULL;
 228         }
 229
 230         G_OBJECT_CLASS (ev_link_parent_class)->dispose (object);
 231 }
 232
 233 static void
 234 ev_link_init (EvLink *ev_link)
 235 {
 236         ev_link->priv = EV_LINK_GET_PRIVATE (ev_link);
 237
 238         ev_link->priv->type = EV_LINK_TYPE_TITLE;
 239 }
 240
 241 static void
 242 ev_link_class_init (EvLinkClass *ev_window_class)
 243 {
 244         GObjectClass *g_object_class;
 245
 246         g_object_class = G_OBJECT_CLASS (ev_window_class);
 247         g_object_class->dispose = ev_window_dispose;
 248         g_object_class->set_property = ev_link_set_property;
 249         g_object_class->get_property = ev_link_get_property;
 250
 251         g_type_class_add_private (g_object_class, sizeof (EvLinkPrivate));
 252
 253         g_object_class_install_property (g_object_class,
 254                                          PROP_TITLE,
 255                                          g_param_spec_string ("title",
 256                                                               "Link Title",
 257                                                               "The link title",
 258                                                               NULL,
 259                                                               G_PARAM_READWRITE));
 260
 261         g_object_class_install_property (g_object_class,
 262                                          PROP_URI,
 263                                          g_param_spec_string ("uri",
 264                                                               "Link URI",
 265                                                               "The link URI",
 266                                                               NULL,
 267                                                               G_PARAM_READWRITE));
 268
 269         g_object_class_install_property (g_object_class,
 270                                          PROP_TYPE,
 271                                          g_param_spec_enum  ("type",
 272                                                              "Link Type",
 273                                                              "The link type",
 274                                                              EV_TYPE_LINK_TYPE,
 275                                                              EV_LINK_TYPE_TITLE,
 276                                                              G_PARAM_READWRITE));
 277
 278         g_object_class_install_property (g_object_class,
 279                                          PROP_PAGE,
 280                                          g_param_spec_int ("page",
 281                                                            "Link Page",
 282                                                            "The link page",
 283                                                             0,
 284                                                             G_MAXINT,
 285                                                             0,
 286                                                             G_PARAM_READWRITE));
 287 }
 288
 289 EvLink *
 290 ev_link_new_title (const char *title)
 291 {
 292         return EV_LINK (g_object_new (EV_TYPE_LINK,
 293                                       "title", title,
 294                                       "type", EV_LINK_TYPE_TITLE,
 295                                       NULL));
 296 }
 297
 298 EvLink *
 299 ev_link_new_page (const char *title, int page)
 300 {
 301         return EV_LINK (g_object_new (EV_TYPE_LINK,
 302                                       "title", title,
 303                                       "page", page,
 304                                       "type", EV_LINK_TYPE_PAGE,
 305                                       NULL));
 306 }
 307
 308 EvLink *
 309 ev_link_new_external (const char *title, const char *uri)
 310 {
 311         return EV_LINK (g_object_new (EV_TYPE_LINK,
 312                                       "title", title,
 313                                       "uri", uri,
 314                                       "type", EV_LINK_TYPE_EXTERNAL_URI,
 315                                       NULL));
 316 }