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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, 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 (EvSidebarPageIface *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        *filename;
 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                 filename = g_build_filename (ev_tmp_dir (),
 425                                              ev_attachment_get_name (attachment),
 426                                              NULL);
 427                 file = g_file_new_for_path (filename);
 428                 g_free (filename);
 429
 430                 if (ev_attachment_save (attachment, file, &error)) {
 431                         gchar *uri;
 432
 433                         uri = g_file_get_uri (file);
 434                         g_ptr_array_add (uris, uri);
 435                 }
 436
 437                 if (error) {
 438                         g_warning ("%s", error->message);
 439                         g_error_free (error);
 440                 }
 441
 442                 gtk_tree_path_free (path);
 443                 g_object_unref (file);
 444                 g_object_unref (attachment);
 445         }
 446
 447         g_ptr_array_add (uris, NULL); /* NULL-terminate */
 448         uri_list = (char **) g_ptr_array_free (uris, FALSE);
 449         gtk_selection_data_set_uris (data, uri_list);
 450         g_strfreev (uri_list);
 451
 452         g_list_free (selected);
 453 }
 454
 455 static void
 456 ev_sidebar_attachments_get_property (GObject    *object,
 457                                      guint       prop_id,
 458                                      GValue     *value,
 459                                      GParamSpec *pspec)
 460 {
 461         EvSidebarAttachments *ev_sidebar_attachments;
 462
 463         ev_sidebar_attachments = EV_SIDEBAR_ATTACHMENTS (object);
 464
 465         switch (prop_id) {
 466                 case PROP_WIDGET:
 467                         g_value_set_object (value, ev_sidebar_attachments->priv->icon_view);
 468                         break;
 469                 default:
 470                         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 471                         break;
 472         }
 473 }
 474
 475 static void
 476 ev_sidebar_attachments_destroy (GtkObject *object)
 477 {
 478         EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (object);
 479
 480         if (ev_attachbar->priv->icon_theme) {
 481                 g_signal_handlers_disconnect_by_func (
 482                         ev_attachbar->priv->icon_theme,
 483                         G_CALLBACK (ev_sidebar_attachments_update_icons),
 484                         ev_attachbar);
 485                 ev_attachbar->priv->icon_theme = NULL;
 486         }
 487
 488         if (ev_attachbar->priv->model) {
 489                 g_object_unref (ev_attachbar->priv->model);
 490                 ev_attachbar->priv->model = NULL;
 491         }
 492
 493         if (ev_attachbar->priv->icon_cache) {
 494                 g_hash_table_destroy (ev_attachbar->priv->icon_cache);
 495                 ev_attachbar->priv->icon_cache = NULL;
 496         }
 497
 498         (* GTK_OBJECT_CLASS (ev_sidebar_attachments_parent_class)->destroy) (object);
 499 }
 500
 501 static void
 502 ev_sidebar_attachments_class_init (EvSidebarAttachmentsClass *ev_attachbar_class)
 503 {
 504         GObjectClass   *g_object_class;
 505         GtkObjectClass *gtk_object_class;
 506         GtkWidgetClass *gtk_widget_class;
 507
 508         g_object_class = G_OBJECT_CLASS (ev_attachbar_class);
 509         gtk_object_class = GTK_OBJECT_CLASS (ev_attachbar_class);
 510         gtk_widget_class = GTK_WIDGET_CLASS (ev_attachbar_class);
 511
 512         g_object_class->get_property = ev_sidebar_attachments_get_property;
 513         gtk_object_class->destroy = ev_sidebar_attachments_destroy;
 514         gtk_widget_class->popup_menu = ev_sidebar_attachments_popup_menu;
 515         gtk_widget_class->screen_changed = ev_sidebar_attachments_screen_changed;
 516
 517         g_type_class_add_private (g_object_class, sizeof (EvSidebarAttachmentsPrivate));
 518
 519         /* Signals */
 520         signals[SIGNAL_POPUP_MENU] =
 521                 g_signal_new ("popup",
 522                               G_TYPE_FROM_CLASS (g_object_class),
 523                               G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
 524                               G_STRUCT_OFFSET (EvSidebarAttachmentsClass, popup_menu),
 525                               NULL, NULL,
 526                               g_cclosure_marshal_VOID__POINTER,
 527                               G_TYPE_NONE, 1,
 528                               G_TYPE_POINTER);
 529
 530         g_object_class_override_property (g_object_class,
 531                                           PROP_WIDGET,
 532                                           "main-widget");
 533 }
 534
 535 static void
 536 ev_sidebar_attachments_init (EvSidebarAttachments *ev_attachbar)
 537 {
 538 #if !GTK_CHECK_VERSION (2, 15, 0)
 539         const GtkTargetEntry drag_targets[] = {
 540                 { "text/uri-list", 0, 0 }
 541         };
 542 #endif
 543
 544         GtkWidget *swindow;
 545
 546         ev_attachbar->priv = EV_SIDEBAR_ATTACHMENTS_GET_PRIVATE (ev_attachbar);
 547
 548         swindow = gtk_scrolled_window_new (NULL, NULL);
 549         gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
 550                                         GTK_POLICY_NEVER,
 551                                         GTK_POLICY_AUTOMATIC);
 552         gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
 553                                              GTK_SHADOW_IN);
 554         /* Data Model */
 555         ev_attachbar->priv->model = gtk_list_store_new (N_COLS,
 556                                                         GDK_TYPE_PIXBUF,
 557                                                         G_TYPE_STRING,
 558                                                         G_TYPE_STRING,
 559                                                         EV_TYPE_ATTACHMENT);
 560
 561         /* Icon View */
 562         ev_attachbar->priv->icon_view =
 563                 gtk_icon_view_new_with_model (GTK_TREE_MODEL (ev_attachbar->priv->model));
 564         gtk_icon_view_set_selection_mode (GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
 565                                           GTK_SELECTION_MULTIPLE);
 566         gtk_icon_view_set_columns (GTK_ICON_VIEW (ev_attachbar->priv->icon_view), -1);
 567         g_object_set (G_OBJECT (ev_attachbar->priv->icon_view),
 568                       "text-column", COLUMN_NAME,
 569                       "pixbuf-column", COLUMN_ICON,
 570                       NULL);
 571         g_signal_connect_swapped (ev_attachbar->priv->icon_view,
 572                                   "button-press-event",
 573                                   G_CALLBACK (ev_sidebar_attachments_button_press),
 574                                   (gpointer) ev_attachbar);
 575
 576         gtk_container_add (GTK_CONTAINER (swindow),
 577                            ev_attachbar->priv->icon_view);
 578
 579         gtk_container_add (GTK_CONTAINER (ev_attachbar),
 580                            swindow);
 581         gtk_widget_show_all (GTK_WIDGET (ev_attachbar));
 582
 583         /* Icon Theme */
 584         ev_attachbar->priv->icon_theme = NULL;
 585
 586         /* Icon Cache */
 587         ev_attachbar->priv->icon_cache = g_hash_table_new_full (g_str_hash,
 588                                                                 g_str_equal,
 589                                                                 g_free,
 590                                                                 g_object_unref);
 591
 592         /* Drag and Drop */
 593 #if GTK_CHECK_VERSION (2, 15, 0)
 594         gtk_icon_view_enable_model_drag_source (
 595                 GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
 596                 GDK_BUTTON1_MASK,
 597                 NULL, 0,
 598                 GDK_ACTION_COPY);
 599         gtk_drag_source_add_uri_targets (ev_attachbar->priv->icon_view);
 600 #else
 601         gtk_icon_view_enable_model_drag_source (
 602                 GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
 603                 GDK_BUTTON1_MASK,
 604                 drag_targets,
 605                 G_N_ELEMENTS (drag_targets),
 606                 GDK_ACTION_COPY);
 607 #endif
 608
 609         g_signal_connect (ev_attachbar->priv->icon_view,
 610                           "drag-data-get",
 611                           G_CALLBACK (ev_sidebar_attachments_drag_data_get),
 612                           (gpointer) ev_attachbar);
 613 }
 614
 615 GtkWidget *
 616 ev_sidebar_attachments_new (void)
 617 {
 618         GtkWidget *ev_attachbar;
 619
 620         ev_attachbar = g_object_new (EV_TYPE_SIDEBAR_ATTACHMENTS, NULL);
 621
 622         return ev_attachbar;
 623 }
 624
 625 static void
 626 job_finished_callback (EvJobAttachments     *job,
 627                        EvSidebarAttachments *ev_attachbar)
 628 {
 629         GList *l;
 630
 631         for (l = job->attachments; l && l->data; l = g_list_next (l)) {
 632                 EvAttachment *attachment;
 633                 GtkTreeIter   iter;
 634                 GdkPixbuf    *pixbuf = NULL;
 635                 const gchar  *mime_type;
 636
 637                 attachment = EV_ATTACHMENT (l->data);
 638
 639                 mime_type = ev_attachment_get_mime_type (attachment);
 640                 pixbuf = ev_sidebar_attachments_icon_cache_get (ev_attachbar,
 641                                                                 mime_type);
 642
 643                 gtk_list_store_append (ev_attachbar->priv->model, &iter);
 644                 gtk_list_store_set (ev_attachbar->priv->model, &iter,
 645                                     COLUMN_NAME, ev_attachment_get_name (attachment),
 646                                     COLUMN_ICON, pixbuf,
 647                                     COLUMN_ATTACHMENT, attachment,
 648                                     -1);
 649         }
 650
 651         g_object_unref (job);
 652 }
 653
 654 static void
 655 ev_sidebar_attachments_set_document (EvSidebarPage   *page,
 656                                      EvDocument      *document)
 657 {
 658         EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (page);
 659         EvJob *job;
 660
 661         if (!ev_attachbar->priv->icon_theme) {
 662                 GdkScreen *screen;
 663
 664                 screen = gtk_widget_get_screen (GTK_WIDGET (ev_attachbar));
 665                 ev_attachbar->priv->icon_theme = gtk_icon_theme_get_for_screen (screen);
 666                 g_signal_connect_swapped (ev_attachbar->priv->icon_theme,
 667                                           "changed",
 668                                           G_CALLBACK (ev_sidebar_attachments_update_icons),
 669                                           (gpointer) ev_attachbar);
 670         }
 671
 672         gtk_list_store_clear (ev_attachbar->priv->model);
 673
 674         job = ev_job_attachments_new (document);
 675         g_signal_connect (job, "finished",
 676                           G_CALLBACK (job_finished_callback),
 677                           ev_attachbar);
 678         g_signal_connect (job, "cancelled",
 679                           G_CALLBACK (g_object_unref),
 680                           NULL);
 681         /* The priority doesn't matter for this job */
 682         ev_job_scheduler_push_job (job, EV_JOB_PRIORITY_NONE);
 683 }
 684
 685 static gboolean
 686 ev_sidebar_attachments_support_document (EvSidebarPage   *sidebar_page,
 687                                          EvDocument      *document)
 688 {
 689         return (EV_IS_DOCUMENT_ATTACHMENTS (document) &&
 690                 ev_document_attachments_has_attachments (document));
 691 }
 692
 693 static const gchar*
 694 ev_sidebar_attachments_get_label (EvSidebarPage *sidebar_page)
 695 {
 696         return _("Attachments");
 697 }
 698
 699 static void
 700 ev_sidebar_attachments_page_iface_init (EvSidebarPageIface *iface)
 701 {
 702         iface->support_document = ev_sidebar_attachments_support_document;
 703         iface->set_document = ev_sidebar_attachments_set_document;
 704         iface->get_label = ev_sidebar_attachments_get_label;
 705 }
 706