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 struct _EvLinkPrivate {
  36         char *title;
  37         char *uri;
  38         EvLinkType type;
  39         int page;
  40 };
  41
  42 static GObjectClass *parent_class = NULL;
  43
  44 G_DEFINE_TYPE (EvLink, ev_link, G_TYPE_OBJECT)
  45
  46 #define EV_LINK_GET_PRIVATE(object) \
  47         (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_LINK, EvLinkPrivate))
  48
  49 GType
  50 ev_link_type_get_type (void)
  51 {
  52         static GType type = 0;
  53
  54         if (G_UNLIKELY (type == 0)) {
  55                 static const GEnumValue values[] = {
  56                         { EV_LINK_TYPE_TITLE, "EV_LINK_TYPE_TITLE", "title" },
  57                         { EV_LINK_TYPE_PAGE, "EV_LINK_TYPE_PAGE", "page" },
  58                         { EV_LINK_TYPE_EXTERNAL_URI, "EV_LINK_TYPE_EXTERNAL_URI", "external" },
  59                         { 0, NULL, NULL }
  60                 };
  61
  62                 type = g_enum_register_static ("EvLinkType", values);
  63         }
  64
  65         return type;
  66 }
  67
  68 const char *
  69 ev_link_get_title (EvLink *self)
  70 {
  71         g_return_val_if_fail (EV_IS_LINK (self), NULL);
  72
  73         return self->priv->title;
  74 }
  75
  76 void
  77 ev_link_set_title (EvLink* self, const char *title)
  78 {
  79         g_assert (EV_IS_LINK (self));
  80         g_assert (title != NULL);
  81
  82         if (self->priv->title != NULL) {
  83                 g_free (self->priv->title);
  84         }
  85
  86         self->priv->title = g_strdup (title);
  87
  88         g_object_notify (G_OBJECT (self), "title");
  89 }
  90
  91 const char *
  92 ev_link_get_uri (EvLink *self)
  93 {
  94         g_return_val_if_fail (EV_IS_LINK (self), NULL);
  95
  96         return self->priv->uri;
  97 }
  98
  99 void
 100 ev_link_set_uri (EvLink* self, const char *uri)
 101 {
 102         g_assert (EV_IS_LINK (self));
 103         g_assert (uri != NULL);
 104
 105         if (self->priv->uri != NULL) {
 106                 g_free (self->priv->uri);
 107         }
 108
 109         self->priv->uri = g_strdup (uri);
 110
 111         g_object_notify (G_OBJECT (self), "uri");
 112 }
 113
 114 EvLinkType
 115 ev_link_get_link_type (EvLink *self)
 116 {
 117         g_return_val_if_fail (EV_IS_LINK (self), 0);
 118
 119         return self->priv->type;
 120 }
 121
 122 void
 123 ev_link_set_link_type (EvLink* self, EvLinkType type)
 124 {
 125         g_assert (EV_IS_LINK (self));
 126
 127         self->priv->type = type;
 128
 129         g_object_notify (G_OBJECT (self), "type");
 130 }
 131
 132 int
 133 ev_link_get_page (EvLink *self)
 134 {
 135         g_return_val_if_fail (EV_IS_LINK (self), 0);
 136
 137         return self->priv->page;
 138 }
 139
 140 void
 141 ev_link_set_page (EvLink* self, int page)
 142 {
 143         g_assert (EV_IS_LINK (self));
 144
 145         self->priv->page = page;
 146
 147         g_object_notify (G_OBJECT (self), "page");
 148 }
 149
 150 static void
 151 ev_link_get_property (GObject *object, guint prop_id, GValue *value,
 152                       GParamSpec *param_spec)
 153 {
 154         EvLink *self;
 155
 156         self = EV_LINK (object);
 157
 158         switch (prop_id) {
 159         case PROP_TITLE:
 160                 g_value_set_string (value, self->priv->title);
 161                 break;
 162         case PROP_URI:
 163                 g_value_set_string (value, self->priv->uri);
 164                 break;
 165         case PROP_TYPE:
 166                 g_value_set_enum (value, self->priv->type);
 167                 break;
 168         case PROP_PAGE:
 169                 g_value_set_int (value, self->priv->page);
 170                 break;
 171         default:
 172                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
 173                                                    prop_id,
 174                                                    param_spec);
 175                 break;
 176         }
 177 }
 178
 179 static void
 180 ev_link_set_property (GObject *object, guint prop_id, const GValue *value,
 181                       GParamSpec *param_spec)
 182 {
 183         EvLink *self;
 184
 185         self = EV_LINK (object);
 186
 187         switch (prop_id) {
 188         case PROP_TITLE:
 189                 ev_link_set_title (self, g_value_get_string (value));
 190                 break;
 191         case PROP_URI:
 192                 ev_link_set_uri (self, g_value_get_string (value));
 193                 break;
 194         case PROP_TYPE:
 195                 ev_link_set_link_type (self, g_value_get_enum (value));
 196                 break;
 197         case PROP_PAGE:
 198                 ev_link_set_page (self, g_value_get_int (value));
 199                 break;
 200         default:
 201                 G_OBJECT_WARN_INVALID_PROPERTY_ID (object,
 202                                                    prop_id,
 203                                                    param_spec);
 204                 break;
 205         }
 206 }
 207
 208 static void
 209 ev_window_dispose (GObject *object)
 210 {
 211         EvLinkPrivate *priv;
 212
 213         g_return_if_fail (EV_IS_LINK (object));
 214
 215         priv = EV_LINK (object)->priv;
 216
 217         if (priv->title) {
 218                 g_free (priv->title);
 219                 priv->title = NULL;
 220         }
 221
 222         G_OBJECT_CLASS (parent_class)->dispose (object);
 223 }
 224
 225 static void
 226 ev_link_init (EvLink *ev_link)
 227 {
 228         ev_link->priv = EV_LINK_GET_PRIVATE (ev_link);
 229
 230         ev_link->priv->type = EV_LINK_TYPE_TITLE;
 231 }
 232
 233 static void
 234 ev_link_class_init (EvLinkClass *ev_window_class)
 235 {
 236         GObjectClass *g_object_class;
 237
 238         parent_class = g_type_class_peek_parent (ev_window_class);
 239
 240         g_object_class = G_OBJECT_CLASS (ev_window_class);
 241         g_object_class->dispose = ev_window_dispose;
 242         g_object_class->set_property = ev_link_set_property;
 243         g_object_class->get_property = ev_link_get_property;
 244
 245         g_type_class_add_private (g_object_class, sizeof (EvLinkPrivate));
 246
 247         g_object_class_install_property (g_object_class,
 248                                          PROP_TITLE,
 249                                          g_param_spec_string ("title",
 250                                                               "Link Title",
 251                                                               "The link title",
 252                                                               NULL,
 253                                                               G_PARAM_READWRITE));
 254
 255         g_object_class_install_property (g_object_class,
 256                                          PROP_URI,
 257                                          g_param_spec_string ("uri",
 258                                                               "Link URI",
 259                                                               "The link URI",
 260                                                               NULL,
 261                                                               G_PARAM_READWRITE));
 262
 263         g_object_class_install_property (g_object_class,
 264                                          PROP_TYPE,
 265                                          g_param_spec_enum  ("type",
 266                                                              "Link Type",
 267                                                              "The link type",
 268                                                              EV_TYPE_LINK_TYPE,
 269                                                              EV_LINK_TYPE_TITLE,
 270                                                              G_PARAM_READWRITE));
 271
 272         g_object_class_install_property (g_object_class,
 273                                          PROP_PAGE,
 274                                          g_param_spec_int ("page",
 275                                                            "Link Page",
 276                                                            "The link page",
 277                                                             0,
 278                                                             G_MAXINT,
 279                                                             0,
 280                                                             G_PARAM_READWRITE));
 281 }
 282
 283 EvLink *
 284 ev_link_new_title (const char *title)
 285 {
 286         return EV_LINK (g_object_new (EV_TYPE_LINK,
 287                                       "title", title,
 288                                       "type", EV_LINK_TYPE_TITLE,
 289                                       NULL));
 290 }
 291
 292 EvLink *
 293 ev_link_new_page (const char *title, int page)
 294 {
 295         return EV_LINK (g_object_new (EV_TYPE_LINK,
 296                                       "title", title,
 297                                       "page", page,
 298                                       "type", EV_LINK_TYPE_PAGE,
 299                                       NULL));
 300 }
 301
 302 EvLink *
 303 ev_link_new_external (const char *title, const char *uri)
 304 {
 305         return EV_LINK (g_object_new (EV_TYPE_LINK,
 306                                       "title", title,
 307                                       "uri", uri,
 308                                       "type", EV_LINK_TYPE_EXTERNAL_URI,
 309                                       NULL));
 310 }