1 /* ev-sidebar-attachments.c
2 * this file is part of evince, a gnome document viewer
4 * Copyright (C) 2006 Carlos Garcia Campos
7 * Carlos Garcia Campos <carlosgc@gnome.org>
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.
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.
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.
30 #include <glib/gi18n.h>
31 #include <glib/gstdio.h>
35 #include "ev-job-scheduler.h"
36 #include "ev-file-helpers.h"
37 #include "ev-sidebar-attachments.h"
38 #include "ev-sidebar-page.h"
58 static const GtkTargetEntry drag_targets[] = {
59 { "text/uri-list", 0, 0 }
62 static guint signals[N_SIGNALS];
64 struct _EvSidebarAttachmentsPrivate {
69 GtkIconTheme *icon_theme;
70 GHashTable *icon_cache;
73 static void ev_sidebar_attachments_page_iface_init (EvSidebarPageIface *iface);
75 G_DEFINE_TYPE_EXTENDED (EvSidebarAttachments,
76 ev_sidebar_attachments,
79 G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE,
80 ev_sidebar_attachments_page_iface_init))
82 #define EV_SIDEBAR_ATTACHMENTS_GET_PRIVATE(object) \
83 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_ATTACHMENTS, EvSidebarAttachmentsPrivate))
87 ev_sidebar_attachments_icon_cache_add (EvSidebarAttachments *ev_attachbar,
88 const gchar *mime_type,
89 const GdkPixbuf *pixbuf)
91 g_assert (mime_type != NULL);
92 g_assert (GDK_IS_PIXBUF (pixbuf));
94 g_hash_table_insert (ev_attachbar->priv->icon_cache,
95 (gpointer)g_strdup (mime_type),
101 icon_theme_get_pixbuf_from_mime_type (GtkIconTheme *icon_theme,
102 const gchar *mime_type)
104 const char *separator;
108 separator = strchr (mime_type, '/');
110 return NULL; /* maybe we should return a GError with "invalid MIME-type" */
112 icon_name = g_string_new ("gnome-mime-");
113 g_string_append_len (icon_name, mime_type, separator - mime_type);
114 g_string_append_c (icon_name, '-');
115 g_string_append (icon_name, separator + 1);
116 pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name->str, 48, 0, NULL);
117 g_string_free (icon_name, TRUE);
121 icon_name = g_string_new ("gnome-mime-");
122 g_string_append_len (icon_name, mime_type, separator - mime_type);
123 pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name->str, 48, 0, NULL);
124 g_string_free (icon_name, TRUE);
130 ev_sidebar_attachments_icon_cache_get (EvSidebarAttachments *ev_attachbar,
131 const gchar *mime_type)
133 GdkPixbuf *pixbuf = NULL;
135 g_assert (mime_type != NULL);
137 pixbuf = g_hash_table_lookup (ev_attachbar->priv->icon_cache,
140 if (GDK_IS_PIXBUF (pixbuf))
143 pixbuf = icon_theme_get_pixbuf_from_mime_type (ev_attachbar->priv->icon_theme,
146 if (GDK_IS_PIXBUF (pixbuf))
147 ev_sidebar_attachments_icon_cache_add (ev_attachbar,
155 icon_cache_update_icon (gchar *key,
157 EvSidebarAttachments *ev_attachbar)
159 GdkPixbuf *pixbuf = NULL;
161 pixbuf = icon_theme_get_pixbuf_from_mime_type (ev_attachbar->priv->icon_theme,
164 ev_sidebar_attachments_icon_cache_add (ev_attachbar,
172 ev_sidebar_attachments_icon_cache_refresh (EvSidebarAttachments *ev_attachbar)
174 g_hash_table_foreach_remove (ev_attachbar->priv->icon_cache,
175 (GHRFunc) icon_cache_update_icon,
179 static EvAttachment *
180 ev_sidebar_attachments_get_attachment_at_pos (EvSidebarAttachments *ev_attachbar,
184 GtkTreePath *path = NULL;
186 EvAttachment *attachment = NULL;
188 path = gtk_icon_view_get_path_at_pos (GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
194 gtk_tree_model_get_iter (GTK_TREE_MODEL (ev_attachbar->priv->model),
196 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
197 COLUMN_ATTACHMENT, &attachment,
200 gtk_icon_view_select_path (GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
203 gtk_tree_path_free (path);
209 ev_sidebar_attachments_popup_menu_show (EvSidebarAttachments *ev_attachbar,
213 GtkIconView *icon_view;
215 GList *selected = NULL, *l;
216 GList *attach_list = NULL;
218 icon_view = GTK_ICON_VIEW (ev_attachbar->priv->icon_view);
220 path = gtk_icon_view_get_path_at_pos (icon_view, x, y);
224 if (!gtk_icon_view_path_is_selected (icon_view, path)) {
225 gtk_icon_view_unselect_all (icon_view);
226 gtk_icon_view_select_path (icon_view, path);
229 gtk_tree_path_free (path);
231 selected = gtk_icon_view_get_selected_items (icon_view);
235 for (l = selected; l && l->data; l = g_list_next (l)) {
237 EvAttachment *attachment = NULL;
239 path = (GtkTreePath *) l->data;
241 gtk_tree_model_get_iter (GTK_TREE_MODEL (ev_attachbar->priv->model),
243 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
244 COLUMN_ATTACHMENT, &attachment,
248 attach_list = g_list_prepend (attach_list, attachment);
250 gtk_tree_path_free (path);
253 g_list_free (selected);
258 g_signal_emit (ev_attachbar, signals[SIGNAL_POPUP_MENU], 0, attach_list);
264 ev_sidebar_attachments_popup_menu (GtkWidget *widget)
266 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (widget);
269 gtk_widget_get_pointer (widget, &x, &y);
271 return ev_sidebar_attachments_popup_menu_show (ev_attachbar, x, y);
275 ev_sidebar_attachments_button_press (EvSidebarAttachments *ev_attachbar,
276 GdkEventButton *event,
277 GtkWidget *icon_view)
279 if (!GTK_WIDGET_HAS_FOCUS (icon_view)) {
280 gtk_widget_grab_focus (icon_view);
283 if (event->button == 2)
286 switch (event->button) {
288 if (event->type == GDK_2BUTTON_PRESS) {
289 GError *error = NULL;
290 EvAttachment *attachment;
292 attachment = ev_sidebar_attachments_get_attachment_at_pos (ev_attachbar,
298 ev_attachment_open (attachment,
299 gtk_widget_get_screen (GTK_WIDGET (ev_attachbar)),
304 g_warning ("%s", error->message);
305 g_error_free (error);
308 g_object_unref (attachment);
314 return ev_sidebar_attachments_popup_menu_show (ev_attachbar, event->x, event->y);
321 ev_sidebar_attachments_update_icons (EvSidebarAttachments *ev_attachbar,
327 ev_sidebar_attachments_icon_cache_refresh (ev_attachbar);
329 valid = gtk_tree_model_get_iter_first (
330 GTK_TREE_MODEL (ev_attachbar->priv->model),
334 EvAttachment *attachment = NULL;
335 GdkPixbuf *pixbuf = NULL;
336 const gchar *mime_type;
338 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
339 COLUMN_ATTACHMENT, &attachment,
342 mime_type = ev_attachment_get_mime_type (attachment);
345 g_object_unref (attachment);
347 pixbuf = ev_sidebar_attachments_icon_cache_get (ev_attachbar,
350 gtk_list_store_set (ev_attachbar->priv->model, &iter,
354 valid = gtk_tree_model_iter_next (
355 GTK_TREE_MODEL (ev_attachbar->priv->model),
361 ev_sidebar_attachments_screen_changed (GtkWidget *widget,
362 GdkScreen *old_screen)
364 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (widget);
367 if (!ev_attachbar->priv->icon_theme)
370 screen = gtk_widget_get_screen (widget);
371 if (screen == old_screen)
375 g_signal_handlers_disconnect_by_func (
376 gtk_icon_theme_get_for_screen (old_screen),
377 G_CALLBACK (ev_sidebar_attachments_update_icons),
381 ev_attachbar->priv->icon_theme = gtk_icon_theme_get_for_screen (screen);
382 g_signal_connect_swapped (ev_attachbar->priv->icon_theme,
384 G_CALLBACK (ev_sidebar_attachments_update_icons),
385 (gpointer) ev_attachbar);
387 if (GTK_WIDGET_CLASS (ev_sidebar_attachments_parent_class)->screen_changed) {
388 GTK_WIDGET_CLASS (ev_sidebar_attachments_parent_class)->screen_changed (widget, old_screen);
393 ev_sidebar_attachments_drag_data_get (GtkWidget *widget,
394 GdkDragContext *drag_context,
395 GtkSelectionData *data,
400 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (user_data);
403 GList *selected = NULL, *l;
405 selected = gtk_icon_view_get_selected_items (GTK_ICON_VIEW (ev_attachbar->priv->icon_view));
409 uri_list = g_string_new (NULL);
411 for (l = selected; l && l->data; l = g_list_next (l)) {
412 EvAttachment *attachment;
417 GError *error = NULL;
419 path = (GtkTreePath *) l->data;
421 gtk_tree_model_get_iter (GTK_TREE_MODEL (ev_attachbar->priv->model),
423 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
424 COLUMN_ATTACHMENT, &attachment,
427 filename = g_build_filename (ev_tmp_dir (),
428 ev_attachment_get_name (attachment),
430 file = g_file_new_for_path (filename);
433 if (ev_attachment_save (attachment, file, &error)) {
436 uri = g_file_get_uri (file);
437 g_string_append (uri_list, uri);
438 g_string_append_c (uri_list, '\n');
443 g_warning ("%s", error->message);
444 g_error_free (error);
447 gtk_tree_path_free (path);
448 g_object_unref (file);
449 g_object_unref (attachment);
452 uris = g_string_free (uri_list, FALSE);
455 gtk_selection_data_set (data,
462 g_list_free (selected);
466 ev_sidebar_attachments_get_property (GObject *object,
471 EvSidebarAttachments *ev_sidebar_attachments;
473 ev_sidebar_attachments = EV_SIDEBAR_ATTACHMENTS (object);
477 g_value_set_object (value, ev_sidebar_attachments->priv->icon_view);
480 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
486 ev_sidebar_attachments_destroy (GtkObject *object)
488 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (object);
490 if (ev_attachbar->priv->icon_theme) {
491 g_signal_handlers_disconnect_by_func (
492 ev_attachbar->priv->icon_theme,
493 G_CALLBACK (ev_sidebar_attachments_update_icons),
495 ev_attachbar->priv->icon_theme = NULL;
498 if (ev_attachbar->priv->model) {
499 g_object_unref (ev_attachbar->priv->model);
500 ev_attachbar->priv->model = NULL;
503 if (ev_attachbar->priv->icon_cache) {
504 g_hash_table_destroy (ev_attachbar->priv->icon_cache);
505 ev_attachbar->priv->icon_cache = NULL;
508 (* GTK_OBJECT_CLASS (ev_sidebar_attachments_parent_class)->destroy) (object);
512 ev_sidebar_attachments_class_init (EvSidebarAttachmentsClass *ev_attachbar_class)
514 GObjectClass *g_object_class;
515 GtkObjectClass *gtk_object_class;
516 GtkWidgetClass *gtk_widget_class;
518 g_object_class = G_OBJECT_CLASS (ev_attachbar_class);
519 gtk_object_class = GTK_OBJECT_CLASS (ev_attachbar_class);
520 gtk_widget_class = GTK_WIDGET_CLASS (ev_attachbar_class);
522 g_object_class->get_property = ev_sidebar_attachments_get_property;
523 gtk_object_class->destroy = ev_sidebar_attachments_destroy;
524 gtk_widget_class->popup_menu = ev_sidebar_attachments_popup_menu;
525 gtk_widget_class->screen_changed = ev_sidebar_attachments_screen_changed;
527 g_type_class_add_private (g_object_class, sizeof (EvSidebarAttachmentsPrivate));
530 signals[SIGNAL_POPUP_MENU] =
531 g_signal_new ("popup",
532 G_TYPE_FROM_CLASS (g_object_class),
533 G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
534 G_STRUCT_OFFSET (EvSidebarAttachmentsClass, popup_menu),
536 g_cclosure_marshal_VOID__POINTER,
540 g_object_class_override_property (g_object_class,
546 ev_sidebar_attachments_init (EvSidebarAttachments *ev_attachbar)
550 ev_attachbar->priv = EV_SIDEBAR_ATTACHMENTS_GET_PRIVATE (ev_attachbar);
552 swindow = gtk_scrolled_window_new (NULL, NULL);
553 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
555 GTK_POLICY_AUTOMATIC);
556 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
559 ev_attachbar->priv->model = gtk_list_store_new (N_COLS,
566 ev_attachbar->priv->icon_view =
567 gtk_icon_view_new_with_model (GTK_TREE_MODEL (ev_attachbar->priv->model));
568 gtk_icon_view_set_selection_mode (GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
569 GTK_SELECTION_MULTIPLE);
570 gtk_icon_view_set_columns (GTK_ICON_VIEW (ev_attachbar->priv->icon_view), -1);
571 g_object_set (G_OBJECT (ev_attachbar->priv->icon_view),
572 "text-column", COLUMN_NAME,
573 "pixbuf-column", COLUMN_ICON,
575 g_signal_connect_swapped (G_OBJECT (ev_attachbar->priv->icon_view),
576 "button-press-event",
577 G_CALLBACK (ev_sidebar_attachments_button_press),
578 (gpointer) ev_attachbar);
580 gtk_container_add (GTK_CONTAINER (swindow),
581 ev_attachbar->priv->icon_view);
583 gtk_container_add (GTK_CONTAINER (ev_attachbar),
585 gtk_widget_show_all (GTK_WIDGET (ev_attachbar));
588 ev_attachbar->priv->icon_theme = NULL;
591 ev_attachbar->priv->icon_cache = g_hash_table_new_full (g_str_hash,
597 gtk_icon_view_enable_model_drag_source (
598 GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
601 G_N_ELEMENTS (drag_targets),
604 g_signal_connect (G_OBJECT (ev_attachbar->priv->icon_view),
606 G_CALLBACK (ev_sidebar_attachments_drag_data_get),
607 (gpointer) ev_attachbar);
611 ev_sidebar_attachments_new (void)
613 GtkWidget *ev_attachbar;
615 ev_attachbar = g_object_new (EV_TYPE_SIDEBAR_ATTACHMENTS, NULL);
621 job_finished_callback (EvJobAttachments *job,
622 EvSidebarAttachments *ev_attachbar)
626 for (l = job->attachments; l && l->data; l = g_list_next (l)) {
627 EvAttachment *attachment;
629 GdkPixbuf *pixbuf = NULL;
630 const gchar *mime_type;
632 attachment = EV_ATTACHMENT (l->data);
634 mime_type = ev_attachment_get_mime_type (attachment);
635 pixbuf = ev_sidebar_attachments_icon_cache_get (ev_attachbar,
638 gtk_list_store_append (ev_attachbar->priv->model, &iter);
639 gtk_list_store_set (ev_attachbar->priv->model, &iter,
640 COLUMN_NAME, ev_attachment_get_name (attachment),
642 COLUMN_ATTACHMENT, attachment,
646 g_object_unref (job);
650 ev_sidebar_attachments_set_document (EvSidebarPage *page,
651 EvDocument *document)
653 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (page);
656 if (!ev_document_has_attachments (document))
659 if (!ev_attachbar->priv->icon_theme) {
662 screen = gtk_widget_get_screen (GTK_WIDGET (ev_attachbar));
663 ev_attachbar->priv->icon_theme = gtk_icon_theme_get_for_screen (screen);
664 g_signal_connect_swapped (G_OBJECT (ev_attachbar->priv->icon_theme),
666 G_CALLBACK (ev_sidebar_attachments_update_icons),
667 (gpointer) ev_attachbar);
670 gtk_list_store_clear (ev_attachbar->priv->model);
672 job = ev_job_attachments_new (document);
673 g_signal_connect (job, "finished",
674 G_CALLBACK (job_finished_callback),
676 g_signal_connect (job, "cancelled",
677 G_CALLBACK (g_object_unref),
679 /* The priority doesn't matter for this job */
680 ev_job_scheduler_push_job (job, EV_JOB_PRIORITY_NONE);
684 ev_sidebar_attachments_support_document (EvSidebarPage *sidebar_page,
685 EvDocument *document)
687 return ev_document_has_attachments (document);
691 ev_sidebar_attachments_get_label (EvSidebarPage *sidebar_page)
693 return _("Attachments");
697 ev_sidebar_attachments_page_iface_init (EvSidebarPageIface *iface)
699 iface->support_document = ev_sidebar_attachments_support_document;
700 iface->set_document = ev_sidebar_attachments_set_document;
701 iface->get_label = ev_sidebar_attachments_get_label;