shell/ev-sidebar-attachments.c

   1 /* ev-sidebar-attachments.c
   2  *  this file is part of evince, a gnome document viewer
   3  *
   4  * Copyright (C) 2006 Carlos Garcia Campos
   5  *
   6  * Author:
   7  *   Carlos Garcia Campos <carlosgc@gnome.org>
   8  *
   9  * Evince is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * Evince is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22  */
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include "config.h"
  26 #endif
  27
  28 #include <string.h>
  29
  30 #include <glib/gi18n.h>
  31 #include <glib/gstdio.h>
  32 #include <gtk/gtk.h>
  33
  34 #include "ev-document-attachments.h"
  35 #include "ev-jobs.h"
  36 #include "ev-job-scheduler.h"
  37 #include "ev-file-helpers.h"
  38 #include "ev-sidebar-attachments.h"
  39 #include "ev-sidebar-page.h"
  40
  41 enum {
  42         COLUMN_ICON,
  43         COLUMN_NAME,
  44         COLUMN_DESCRIPTION,
  45         COLUMN_ATTACHMENT,
  46         N_COLS
  47 };
  48
  49 enum {
  50         PROP_0,
  51         PROP_WIDGET,
  52 };
  53
  54 enum {
  55         SIGNAL_POPUP_MENU,
  56         N_SIGNALS
  57 };
  58
  59 static guint signals[N_SIGNALS];
  60
  61 struct _EvSidebarAttachmentsPrivate {
  62         GtkWidget      *icon_view;
  63         GtkListStore   *model;
  64
  65         /* Icons */
  66         GtkIconTheme   *icon_theme;
  67         GHashTable     *icon_cache;
  68 };
  69
  70 static void ev_sidebar_attachments_page_iface_init (EvSidebarPageInterface *iface);
  71
  72 G_DEFINE_TYPE_EXTENDED (EvSidebarAttachments,
  73                         ev_sidebar_attachments,
  74                         GTK_TYPE_VBOX,
  75                         0,
  76                         G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE,
  77                                                ev_sidebar_attachments_page_iface_init))
  78
  79 #define EV_SIDEBAR_ATTACHMENTS_GET_PRIVATE(object) \
  80                 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_ATTACHMENTS, EvSidebarAttachmentsPrivate))
  81
  82 /* Icon cache */
  83 static void
  84 ev_sidebar_attachments_icon_cache_add (EvSidebarAttachments *ev_attachbar,
  85                                        const gchar          *mime_type,
  86                                        const GdkPixbuf      *pixbuf)
  87 {
  88         g_assert (mime_type != NULL);
  89         g_assert (GDK_IS_PIXBUF (pixbuf));
  90
  91         g_hash_table_insert (ev_attachbar->priv->icon_cache,
  92                              (gpointer)g_strdup (mime_type),
  93                              (gpointer)pixbuf);
  94
  95 }
  96
  97 static GdkPixbuf *
  98 icon_theme_get_pixbuf_from_mime_type (GtkIconTheme *icon_theme,
  99                                       const gchar  *mime_type)
 100 {
 101         const char *separator;
 102         GString *icon_name;
 103         GdkPixbuf *pixbuf;
 104
 105         separator = strchr (mime_type, '/');
 106         if (!separator)
 107                 return NULL; /* maybe we should return a GError with "invalid MIME-type" */
 108
 109         icon_name = g_string_new ("gnome-mime-");
 110         g_string_append_len (icon_name, mime_type, separator - mime_type);
 111         g_string_append_c (icon_name, '-');
 112         g_string_append (icon_name, separator + 1);
 113         pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name->str, 48, 0, NULL);
 114         g_string_free (icon_name, TRUE);
 115         if (pixbuf)
 116                 return pixbuf;
 117
 118         icon_name = g_string_new ("gnome-mime-");
 119         g_string_append_len (icon_name, mime_type, separator - mime_type);
 120         pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name->str, 48, 0, NULL);
 121         g_string_free (icon_name, TRUE);
 122
 123         return pixbuf;
 124 }
 125
 126 static GdkPixbuf *
 127 ev_sidebar_attachments_icon_cache_get (EvSidebarAttachments *ev_attachbar,
 128                                        const gchar          *mime_type)
 129 {
 130         GdkPixbuf *pixbuf = NULL;
 131
 132         g_assert (mime_type != NULL);
 133
 134         pixbuf = g_hash_table_lookup (ev_attachbar->priv->icon_cache,
 135                                       mime_type);
 136
 137         if (GDK_IS_PIXBUF (pixbuf))
 138                 return pixbuf;
 139
 140         pixbuf = icon_theme_get_pixbuf_from_mime_type (ev_attachbar->priv->icon_theme,
 141                                                        mime_type);
 142
 143         if (GDK_IS_PIXBUF (pixbuf))
 144                 ev_sidebar_attachments_icon_cache_add (ev_attachbar,
 145                                                        mime_type,
 146                                                        pixbuf);
 147
 148         return pixbuf;
 149 }
 150
 151 static gboolean
 152 icon_cache_update_icon (gchar                *key,
 153                         GdkPixbuf            *value,
 154                         EvSidebarAttachments *ev_attachbar)
 155 {
 156         GdkPixbuf *pixbuf = NULL;
 157
 158         pixbuf = icon_theme_get_pixbuf_from_mime_type (ev_attachbar->priv->icon_theme,
 159                                                        key);
 160
 161         ev_sidebar_attachments_icon_cache_add (ev_attachbar,
 162                                                key,
 163                                                pixbuf);
 164
 165         return FALSE;
 166 }
 167
 168 static void
 169 ev_sidebar_attachments_icon_cache_refresh (EvSidebarAttachments *ev_attachbar)
 170 {
 171         g_hash_table_foreach_remove (ev_attachbar->priv->icon_cache,
 172                                      (GHRFunc) icon_cache_update_icon,
 173                                      ev_attachbar);
 174 }
 175
 176 static EvAttachment *
 177 ev_sidebar_attachments_get_attachment_at_pos (EvSidebarAttachments *ev_attachbar,
 178                                               gint                  x,
 179                                               gint                  y)
 180 {
 181         GtkTreePath  *path = NULL;
 182         GtkTreeIter   iter;
 183         EvAttachment *attachment = NULL;
 184
 185         path = gtk_icon_view_get_path_at_pos (GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
 186                                               x, y);
 187         if (!path) {
 188                 return NULL;
 189         }
 190
 191         gtk_tree_model_get_iter (GTK_TREE_MODEL (ev_attachbar->priv->model),
 192                                  &iter, path);
 193         gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
 194                             COLUMN_ATTACHMENT, &attachment,
 195                             -1);
 196
 197         gtk_icon_view_select_path (GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
 198                                    path);
 199
 200         gtk_tree_path_free (path);
 201
 202         return attachment;
 203 }
 204
 205 static gboolean
 206 ev_sidebar_attachments_popup_menu_show (EvSidebarAttachments *ev_attachbar,
 207                                         gint                  x,
 208                                         gint                  y)
 209 {
 210         GtkIconView *icon_view;
 211         GtkTreePath *path;
 212         GList       *selected = NULL, *l;
 213         GList       *attach_list = NULL;
 214
 215         icon_view = GTK_ICON_VIEW (ev_attachbar->priv->icon_view);
 216
 217         path = gtk_icon_view_get_path_at_pos (icon_view, x, y);
 218         if (!path)
 219                 return FALSE;
 220
 221         if (!gtk_icon_view_path_is_selected (icon_view, path)) {
 222                 gtk_icon_view_unselect_all (icon_view);
 223                 gtk_icon_view_select_path (icon_view, path);
 224         }
 225
 226         gtk_tree_path_free (path);
 227
 228         selected = gtk_icon_view_get_selected_items (icon_view);
 229         if (!selected)
 230                 return FALSE;
 231
 232         for (l = selected; l && l->data; l = g_list_next (l)) {
 233                 GtkTreeIter   iter;
 234                 EvAttachment *attachment = NULL;
 235
 236                 path = (GtkTreePath *) l->data;
 237
 238                 gtk_tree_model_get_iter (GTK_TREE_MODEL (ev_attachbar->priv->model),
 239                                          &iter, path);
 240                 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
 241                                     COLUMN_ATTACHMENT, &attachment,
 242                                     -1);
 243
 244                 if (attachment)
 245                         attach_list = g_list_prepend (attach_list, attachment);
 246
 247                 gtk_tree_path_free (path);
 248         }
 249
 250         g_list_free (selected);
 251
 252         if (!attach_list)
 253                 return FALSE;
 254
 255         g_signal_emit (ev_attachbar, signals[SIGNAL_POPUP_MENU], 0, attach_list);
 256
 257         return TRUE;
 258 }
 259
 260 static gboolean
 261 ev_sidebar_attachments_popup_menu (GtkWidget *widget)
 262 {
 263         EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (widget);
 264         gint                  x, y;
 265
 266         gtk_widget_get_pointer (widget, &x, &y);
 267
 268         return ev_sidebar_attachments_popup_menu_show (ev_attachbar, x, y);
 269 }
 270
 271 static gboolean
 272 ev_sidebar_attachments_button_press (EvSidebarAttachments *ev_attachbar,
 273                                      GdkEventButton       *event,
 274                                      GtkWidget            *icon_view)
 275 {
 276         if (!gtk_widget_has_focus (icon_view)) {
 277                 gtk_widget_grab_focus (icon_view);
 278         }
 279
 280         if (event->button == 2)
 281                 return FALSE;
 282
 283         switch (event->button) {
 284                 case 1:
 285                         if (event->type == GDK_2BUTTON_PRESS) {
 286                                 GError *error = NULL;
 287                                 EvAttachment *attachment;
 288
 289                                 attachment = ev_sidebar_attachments_get_attachment_at_pos (ev_attachbar,
 290                                                                                            event->x,
 291                                                                                            event->y);
 292                                 if (!attachment)
 293                                         return FALSE;
 294
 295                                 ev_attachment_open (attachment,
 296                                                     gtk_widget_get_screen (GTK_WIDGET (ev_attachbar)),
 297                                                     event->time,
 298                                                     &error);
 299
 300                                 if (error) {
 301                                         g_warning ("%s", error->message);
 302                                         g_error_free (error);
 303                                 }
 304
 305                                 g_object_unref (attachment);
 306
 307                                 return TRUE;
 308                         }
 309                         break;
 310                 case 3:
 311                         return ev_sidebar_attachments_popup_menu_show (ev_attachbar, event->x, event->y);
 312         }
 313
 314         return FALSE;
 315 }
 316
 317 static void
 318 ev_sidebar_attachments_update_icons (EvSidebarAttachments *ev_attachbar,
 319                                      gpointer              user_data)
 320 {
 321         GtkTreeIter iter;
 322         gboolean    valid;
 323
 324         ev_sidebar_attachments_icon_cache_refresh (ev_attachbar);
 325
 326         valid = gtk_tree_model_get_iter_first (
 327                 GTK_TREE_MODEL (ev_attachbar->priv->model),
 328                 &iter);
 329
 330         while (valid) {
 331                 EvAttachment *attachment = NULL;
 332                 GdkPixbuf    *pixbuf = NULL;
 333                 const gchar  *mime_type;
 334
 335                 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
 336                                     COLUMN_ATTACHMENT, &attachment,
 337                                     -1);
 338
 339                 mime_type = ev_attachment_get_mime_type (attachment);
 340
 341                 if (attachment)
 342                         g_object_unref (attachment);
 343
 344                 pixbuf = ev_sidebar_attachments_icon_cache_get (ev_attachbar,
 345                                                                 mime_type);
 346
 347                 gtk_list_store_set (ev_attachbar->priv->model, &iter,
 348                                     COLUMN_ICON, pixbuf,
 349                                     -1);
 350
 351                 valid = gtk_tree_model_iter_next (
 352                         GTK_TREE_MODEL (ev_attachbar->priv->model),
 353                         &iter);
 354         }
 355 }
 356
 357 static void
 358 ev_sidebar_attachments_screen_changed (GtkWidget *widget,
 359                                        GdkScreen *old_screen)
 360 {
 361         EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (widget);
 362         GdkScreen            *screen;
 363
 364         if (!ev_attachbar->priv->icon_theme)
 365                 return;
 366
 367         screen = gtk_widget_get_screen (widget);
 368         if (screen == old_screen)
 369                 return;
 370
 371         if (old_screen) {
 372                 g_signal_handlers_disconnect_by_func (
 373                         gtk_icon_theme_get_for_screen (old_screen),
 374                         G_CALLBACK (ev_sidebar_attachments_update_icons),
 375                         ev_attachbar);
 376         }
 377
 378         ev_attachbar->priv->icon_theme = gtk_icon_theme_get_for_screen (screen);
 379         g_signal_connect_swapped (ev_attachbar->priv->icon_theme,
 380                                   "changed",
 381                                   G_CALLBACK (ev_sidebar_attachments_update_icons),
 382                                   (gpointer) ev_attachbar);
 383
 384         if (GTK_WIDGET_CLASS (ev_sidebar_attachments_parent_class)->screen_changed) {
 385                 GTK_WIDGET_CLASS (ev_sidebar_attachments_parent_class)->screen_changed (widget, old_screen);
 386         }
 387 }
 388
 389 static void
 390 ev_sidebar_attachments_drag_data_get (GtkWidget        *widget,
 391                                       GdkDragContext   *drag_context,
 392                                       GtkSelectionData *data,
 393                                       guint             info,
 394                                       guint             time,
 395                                       gpointer          user_data)
 396 {
 397         EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (user_data);
 398         GList                *selected = NULL, *l;
 399         GPtrArray            *uris;
 400         char                **uri_list;
 401
 402         selected = gtk_icon_view_get_selected_items (GTK_ICON_VIEW (ev_attachbar->priv->icon_view));
 403         if (!selected)
 404                 return;
 405
 406         uris = g_ptr_array_new ();
 407
 408         for (l = selected; l && l->data; l = g_list_next (l)) {
 409                 EvAttachment *attachment;
 410                 GtkTreePath  *path;
 411                 GtkTreeIter   iter;
 412                 GFile        *file;
 413                 gchar        *template;
 414                 GError       *error = NULL;
 415
 416                 path = (GtkTreePath *) l->data;
 417
 418                 gtk_tree_model_get_iter (GTK_TREE_MODEL (ev_attachbar->priv->model),
 419                                          &iter, path);
 420                 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
 421                                     COLUMN_ATTACHMENT, &attachment,
 422                                     -1);
 423
 424                 /* FIXMEchpe: convert to filename encoding first! */
 425                 template = g_strdup_printf ("%s.XXXXXX", ev_attachment_get_name (attachment));
 426                 file = ev_mkstemp_file (template, &error);
 427                 g_free (template);
 428
 429                 if (file != NULL && ev_attachment_save (attachment, file, &error)) {
 430                         gchar *uri;
 431
 432                         uri = g_file_get_uri (file);
 433                         g_ptr_array_add (uris, uri);
 434                 }
 435
 436                 if (error) {
 437                         g_warning ("%s", error->message);
 438                         g_error_free (error);
 439                 }
 440
 441                 gtk_tree_path_free (path);
 442                 g_object_unref (file);
 443                 g_object_unref (attachment);
 444         }
 445
 446         g_ptr_array_add (uris, NULL); /* NULL-terminate */
 447         uri_list = (char **) g_ptr_array_free (uris, FALSE);
 448         gtk_selection_data_set_uris (data, uri_list);
 449         g_strfreev (uri_list);
 450
 451         g_list_free (selected);
 452 }
 453
 454 static void
 455 ev_sidebar_attachments_get_property (GObject    *object,
 456                                      guint       prop_id,
 457                                      GValue     *value,
 458                                      GParamSpec *pspec)
 459 {
 460         EvSidebarAttachments *ev_sidebar_attachments;
 461
 462         ev_sidebar_attachments = EV_SIDEBAR_ATTACHMENTS (object);
 463
 464         switch (prop_id) {
 465                 case PROP_WIDGET:
 466                         g_value_set_object (value, ev_sidebar_attachments->priv->icon_view);
 467                         break;
 468                 default:
 469                         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 470                         break;
 471         }
 472 }
 473
 474 static void
 475 ev_sidebar_attachments_dispose (GObject *object)
 476 {
 477         EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (object);
 478
 479         if (ev_attachbar->priv->icon_theme) {
 480                 g_signal_handlers_disconnect_by_func (
 481                         ev_attachbar->priv->icon_theme,
 482                         G_CALLBACK (ev_sidebar_attachments_update_icons),
 483                         ev_attachbar);
 484                 ev_attachbar->priv->icon_theme = NULL;
 485         }
 486
 487         if (ev_attachbar->priv->model) {
 488                 g_object_unref (ev_attachbar->priv->model);
 489                 ev_attachbar->priv->model = NULL;
 490         }
 491
 492         if (ev_attachbar->priv->icon_cache) {
 493                 g_hash_table_destroy (ev_attachbar->priv->icon_cache);
 494                 ev_attachbar->priv->icon_cache = NULL;
 495         }
 496
 497         G_OBJECT_CLASS (ev_sidebar_attachments_parent_class)->dispose (object);
 498 }
 499
 500 static void
 501 ev_sidebar_attachments_class_init (EvSidebarAttachmentsClass *ev_attachbar_class)
 502 {
 503         GObjectClass   *g_object_class;
 504         GtkWidgetClass *gtk_widget_class;
 505
 506         g_object_class = G_OBJECT_CLASS (ev_attachbar_class);
 507         gtk_widget_class = GTK_WIDGET_CLASS (ev_attachbar_class);
 508
 509         g_object_class->get_property = ev_sidebar_attachments_get_property;
 510         g_object_class->dispose = ev_sidebar_attachments_dispose;
 511         gtk_widget_class->popup_menu = ev_sidebar_attachments_popup_menu;
 512         gtk_widget_class->screen_changed = ev_sidebar_attachments_screen_changed;
 513
 514         g_type_class_add_private (g_object_class, sizeof (EvSidebarAttachmentsPrivate));
 515
 516         /* Signals */
 517         signals[SIGNAL_POPUP_MENU] =
 518                 g_signal_new ("popup",
 519                               G_TYPE_FROM_CLASS (g_object_class),
 520                               G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
 521                               G_STRUCT_OFFSET (EvSidebarAttachmentsClass, popup_menu),
 522                               NULL, NULL,
 523                               g_cclosure_marshal_VOID__POINTER,
 524                               G_TYPE_NONE, 1,
 525                               G_TYPE_POINTER);
 526
 527         g_object_class_override_property (g_object_class,
 528                                           PROP_WIDGET,
 529                                           "main-widget");
 530 }
 531
 532 static void
 533 ev_sidebar_attachments_init (EvSidebarAttachments *ev_attachbar)
 534 {
 535         GtkWidget *swindow;
 536
 537         ev_attachbar->priv = EV_SIDEBAR_ATTACHMENTS_GET_PRIVATE (ev_attachbar);
 538
 539         swindow = gtk_scrolled_window_new (NULL, NULL);
 540         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
 541                                         GTK_POLICY_NEVER,
 542                                         GTK_POLICY_AUTOMATIC);
 543         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
 544                                              GTK_SHADOW_IN);
 545         /* Data Model */
 546         ev_attachbar->priv->model = gtk_list_store_new (N_COLS,
 547                                                         GDK_TYPE_PIXBUF,
 548                                                         G_TYPE_STRING,
 549                                                         G_TYPE_STRING,
 550                                                         EV_TYPE_ATTACHMENT);
 551
 552         /* Icon View */
 553         ev_attachbar->priv->icon_view =
 554                 gtk_icon_view_new_with_model (GTK_TREE_MODEL (ev_attachbar->priv->model));
 555         gtk_icon_view_set_selection_mode (GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
 556                                           GTK_SELECTION_MULTIPLE);
 557         gtk_icon_view_set_columns (GTK_ICON_VIEW (ev_attachbar->priv->icon_view), -1);
 558         g_object_set (G_OBJECT (ev_attachbar->priv->icon_view),
 559                       "text-column", COLUMN_NAME,
 560                       "pixbuf-column", COLUMN_ICON,
 561                       NULL);
 562         g_signal_connect_swapped (ev_attachbar->priv->icon_view,
 563                                   "button-press-event",
 564                                   G_CALLBACK (ev_sidebar_attachments_button_press),
 565                                   (gpointer) ev_attachbar);
 566
 567         gtk_container_add (GTK_CONTAINER (swindow),
 568                            ev_attachbar->priv->icon_view);
 569
 570         gtk_container_add (GTK_CONTAINER (ev_attachbar),
 571                            swindow);
 572         gtk_widget_show_all (GTK_WIDGET (ev_attachbar));
 573
 574         /* Icon Theme */
 575         ev_attachbar->priv->icon_theme = NULL;
 576
 577         /* Icon Cache */
 578         ev_attachbar->priv->icon_cache = g_hash_table_new_full (g_str_hash,
 579                                                                 g_str_equal,
 580                                                                 g_free,
 581                                                                 g_object_unref);
 582
 583         /* Drag and Drop */
 584         gtk_icon_view_enable_model_drag_source (
 585                 GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
 586                 GDK_BUTTON1_MASK,
 587                 NULL, 0,
 588                 GDK_ACTION_COPY);
 589         gtk_drag_source_add_uri_targets (ev_attachbar->priv->icon_view);
 590
 591         g_signal_connect (ev_attachbar->priv->icon_view,
 592                           "drag-data-get",
 593                           G_CALLBACK (ev_sidebar_attachments_drag_data_get),
 594                           (gpointer) ev_attachbar);
 595 }
 596
 597 GtkWidget *
 598 ev_sidebar_attachments_new (void)
 599 {
 600         GtkWidget *ev_attachbar;
 601
 602         ev_attachbar = g_object_new (EV_TYPE_SIDEBAR_ATTACHMENTS, NULL);
 603
 604         return ev_attachbar;
 605 }
 606
 607 static void
 608 job_finished_callback (EvJobAttachments     *job,
 609                        EvSidebarAttachments *ev_attachbar)
 610 {
 611         GList *l;
 612
 613         for (l = job->attachments; l && l->data; l = g_list_next (l)) {
 614                 EvAttachment *attachment;
 615                 GtkTreeIter   iter;
 616                 GdkPixbuf    *pixbuf = NULL;
 617                 const gchar  *mime_type;
 618
 619                 attachment = EV_ATTACHMENT (l->data);
 620
 621                 mime_type = ev_attachment_get_mime_type (attachment);
 622                 pixbuf = ev_sidebar_attachments_icon_cache_get (ev_attachbar,
 623                                                                 mime_type);
 624
 625                 gtk_list_store_append (ev_attachbar->priv->model, &iter);
 626                 gtk_list_store_set (ev_attachbar->priv->model, &iter,
 627                                     COLUMN_NAME, ev_attachment_get_name (attachment),
 628                                     COLUMN_ICON, pixbuf,
 629                                     COLUMN_ATTACHMENT, attachment,
 630                                     -1);
 631         }
 632
 633         g_object_unref (job);
 634 }
 635
 636
 637 static void
 638 ev_sidebar_attachments_document_changed_cb (EvDocumentModel      *model,
 639                                             GParamSpec           *pspec,
 640                                             EvSidebarAttachments *ev_attachbar)
 641 {
 642         EvDocument *document = ev_document_model_get_document (model);
 643         EvJob *job;
 644
 645         if (!EV_IS_DOCUMENT_ATTACHMENTS (document))
 646                 return;
 647
 648         if (!ev_document_attachments_has_attachments (EV_DOCUMENT_ATTACHMENTS (document)))
 649                 return;
 650
 651         if (!ev_attachbar->priv->icon_theme) {
 652                 GdkScreen *screen;
 653
 654                 screen = gtk_widget_get_screen (GTK_WIDGET (ev_attachbar));
 655                 ev_attachbar->priv->icon_theme = gtk_icon_theme_get_for_screen (screen);
 656                 g_signal_connect_swapped (ev_attachbar->priv->icon_theme,
 657                                           "changed",
 658                                           G_CALLBACK (ev_sidebar_attachments_update_icons),
 659                                           (gpointer) ev_attachbar);
 660         }
 661
 662         gtk_list_store_clear (ev_attachbar->priv->model);
 663
 664         job = ev_job_attachments_new (document);
 665         g_signal_connect (job, "finished",
 666                           G_CALLBACK (job_finished_callback),
 667                           ev_attachbar);
 668         g_signal_connect (job, "cancelled",
 669                           G_CALLBACK (g_object_unref),
 670                           NULL);
 671         /* The priority doesn't matter for this job */
 672         ev_job_scheduler_push_job (job, EV_JOB_PRIORITY_NONE);
 673 }
 674
 675 static void
 676 ev_sidebar_attachments_set_model (EvSidebarPage   *page,
 677                                   EvDocumentModel *model)
 678 {
 679         g_signal_connect (model, "notify::document",
 680                           G_CALLBACK (ev_sidebar_attachments_document_changed_cb),
 681                           page);
 682 }
 683
 684 static gboolean
 685 ev_sidebar_attachments_support_document (EvSidebarPage   *sidebar_page,
 686                                          EvDocument      *document)
 687 {
 688         return (EV_IS_DOCUMENT_ATTACHMENTS (document) &&
 689                 ev_document_attachments_has_attachments (EV_DOCUMENT_ATTACHMENTS (document)));
 690 }
 691
 692 static const gchar*
 693 ev_sidebar_attachments_get_label (EvSidebarPage *sidebar_page)
 694 {
 695         return _("Attachments");
 696 }
 697
 698 static void
 699 ev_sidebar_attachments_page_iface_init (EvSidebarPageInterface *iface)
 700 {
 701         iface->support_document = ev_sidebar_attachments_support_document;
 702         iface->set_model = ev_sidebar_attachments_set_model;
 703         iface->get_label = ev_sidebar_attachments_get_label;
 704 }
 705