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>
34 #include "ev-document-attachments.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"
59 static guint signals[N_SIGNALS];
61 struct _EvSidebarAttachmentsPrivate {
66 GtkIconTheme *icon_theme;
67 GHashTable *icon_cache;
70 static void ev_sidebar_attachments_page_iface_init (EvSidebarPageIface *iface);
72 G_DEFINE_TYPE_EXTENDED (EvSidebarAttachments,
73 ev_sidebar_attachments,
76 G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE,
77 ev_sidebar_attachments_page_iface_init))
79 #define EV_SIDEBAR_ATTACHMENTS_GET_PRIVATE(object) \
80 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_ATTACHMENTS, EvSidebarAttachmentsPrivate))
84 ev_sidebar_attachments_icon_cache_add (EvSidebarAttachments *ev_attachbar,
85 const gchar *mime_type,
86 const GdkPixbuf *pixbuf)
88 g_assert (mime_type != NULL);
89 g_assert (GDK_IS_PIXBUF (pixbuf));
91 g_hash_table_insert (ev_attachbar->priv->icon_cache,
92 (gpointer)g_strdup (mime_type),
98 icon_theme_get_pixbuf_from_mime_type (GtkIconTheme *icon_theme,
99 const gchar *mime_type)
101 const char *separator;
105 separator = strchr (mime_type, '/');
107 return NULL; /* maybe we should return a GError with "invalid MIME-type" */
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);
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);
127 ev_sidebar_attachments_icon_cache_get (EvSidebarAttachments *ev_attachbar,
128 const gchar *mime_type)
130 GdkPixbuf *pixbuf = NULL;
132 g_assert (mime_type != NULL);
134 pixbuf = g_hash_table_lookup (ev_attachbar->priv->icon_cache,
137 if (GDK_IS_PIXBUF (pixbuf))
140 pixbuf = icon_theme_get_pixbuf_from_mime_type (ev_attachbar->priv->icon_theme,
143 if (GDK_IS_PIXBUF (pixbuf))
144 ev_sidebar_attachments_icon_cache_add (ev_attachbar,
152 icon_cache_update_icon (gchar *key,
154 EvSidebarAttachments *ev_attachbar)
156 GdkPixbuf *pixbuf = NULL;
158 pixbuf = icon_theme_get_pixbuf_from_mime_type (ev_attachbar->priv->icon_theme,
161 ev_sidebar_attachments_icon_cache_add (ev_attachbar,
169 ev_sidebar_attachments_icon_cache_refresh (EvSidebarAttachments *ev_attachbar)
171 g_hash_table_foreach_remove (ev_attachbar->priv->icon_cache,
172 (GHRFunc) icon_cache_update_icon,
176 static EvAttachment *
177 ev_sidebar_attachments_get_attachment_at_pos (EvSidebarAttachments *ev_attachbar,
181 GtkTreePath *path = NULL;
183 EvAttachment *attachment = NULL;
185 path = gtk_icon_view_get_path_at_pos (GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
191 gtk_tree_model_get_iter (GTK_TREE_MODEL (ev_attachbar->priv->model),
193 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
194 COLUMN_ATTACHMENT, &attachment,
197 gtk_icon_view_select_path (GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
200 gtk_tree_path_free (path);
206 ev_sidebar_attachments_popup_menu_show (EvSidebarAttachments *ev_attachbar,
210 GtkIconView *icon_view;
212 GList *selected = NULL, *l;
213 GList *attach_list = NULL;
215 icon_view = GTK_ICON_VIEW (ev_attachbar->priv->icon_view);
217 path = gtk_icon_view_get_path_at_pos (icon_view, x, y);
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);
226 gtk_tree_path_free (path);
228 selected = gtk_icon_view_get_selected_items (icon_view);
232 for (l = selected; l && l->data; l = g_list_next (l)) {
234 EvAttachment *attachment = NULL;
236 path = (GtkTreePath *) l->data;
238 gtk_tree_model_get_iter (GTK_TREE_MODEL (ev_attachbar->priv->model),
240 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
241 COLUMN_ATTACHMENT, &attachment,
245 attach_list = g_list_prepend (attach_list, attachment);
247 gtk_tree_path_free (path);
250 g_list_free (selected);
255 g_signal_emit (ev_attachbar, signals[SIGNAL_POPUP_MENU], 0, attach_list);
261 ev_sidebar_attachments_popup_menu (GtkWidget *widget)
263 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (widget);
266 gtk_widget_get_pointer (widget, &x, &y);
268 return ev_sidebar_attachments_popup_menu_show (ev_attachbar, x, y);
272 ev_sidebar_attachments_button_press (EvSidebarAttachments *ev_attachbar,
273 GdkEventButton *event,
274 GtkWidget *icon_view)
276 if (!GTK_WIDGET_HAS_FOCUS (icon_view)) {
277 gtk_widget_grab_focus (icon_view);
280 if (event->button == 2)
283 switch (event->button) {
285 if (event->type == GDK_2BUTTON_PRESS) {
286 GError *error = NULL;
287 EvAttachment *attachment;
289 attachment = ev_sidebar_attachments_get_attachment_at_pos (ev_attachbar,
295 ev_attachment_open (attachment,
296 gtk_widget_get_screen (GTK_WIDGET (ev_attachbar)),
301 g_warning ("%s", error->message);
302 g_error_free (error);
305 g_object_unref (attachment);
311 return ev_sidebar_attachments_popup_menu_show (ev_attachbar, event->x, event->y);
318 ev_sidebar_attachments_update_icons (EvSidebarAttachments *ev_attachbar,
324 ev_sidebar_attachments_icon_cache_refresh (ev_attachbar);
326 valid = gtk_tree_model_get_iter_first (
327 GTK_TREE_MODEL (ev_attachbar->priv->model),
331 EvAttachment *attachment = NULL;
332 GdkPixbuf *pixbuf = NULL;
333 const gchar *mime_type;
335 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
336 COLUMN_ATTACHMENT, &attachment,
339 mime_type = ev_attachment_get_mime_type (attachment);
342 g_object_unref (attachment);
344 pixbuf = ev_sidebar_attachments_icon_cache_get (ev_attachbar,
347 gtk_list_store_set (ev_attachbar->priv->model, &iter,
351 valid = gtk_tree_model_iter_next (
352 GTK_TREE_MODEL (ev_attachbar->priv->model),
358 ev_sidebar_attachments_screen_changed (GtkWidget *widget,
359 GdkScreen *old_screen)
361 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (widget);
364 if (!ev_attachbar->priv->icon_theme)
367 screen = gtk_widget_get_screen (widget);
368 if (screen == 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),
378 ev_attachbar->priv->icon_theme = gtk_icon_theme_get_for_screen (screen);
379 g_signal_connect_swapped (ev_attachbar->priv->icon_theme,
381 G_CALLBACK (ev_sidebar_attachments_update_icons),
382 (gpointer) ev_attachbar);
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);
390 ev_sidebar_attachments_drag_data_get (GtkWidget *widget,
391 GdkDragContext *drag_context,
392 GtkSelectionData *data,
397 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (user_data);
398 GList *selected = NULL, *l;
402 selected = gtk_icon_view_get_selected_items (GTK_ICON_VIEW (ev_attachbar->priv->icon_view));
406 uris = g_ptr_array_new ();
408 for (l = selected; l && l->data; l = g_list_next (l)) {
409 EvAttachment *attachment;
414 GError *error = NULL;
416 path = (GtkTreePath *) l->data;
418 gtk_tree_model_get_iter (GTK_TREE_MODEL (ev_attachbar->priv->model),
420 gtk_tree_model_get (GTK_TREE_MODEL (ev_attachbar->priv->model), &iter,
421 COLUMN_ATTACHMENT, &attachment,
424 filename = g_build_filename (ev_tmp_dir (),
425 ev_attachment_get_name (attachment),
427 file = g_file_new_for_path (filename);
430 if (ev_attachment_save (attachment, file, &error)) {
433 uri = g_file_get_uri (file);
434 g_ptr_array_add (uris, uri);
438 g_warning ("%s", error->message);
439 g_error_free (error);
442 gtk_tree_path_free (path);
443 g_object_unref (file);
444 g_object_unref (attachment);
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);
452 g_list_free (selected);
456 ev_sidebar_attachments_get_property (GObject *object,
461 EvSidebarAttachments *ev_sidebar_attachments;
463 ev_sidebar_attachments = EV_SIDEBAR_ATTACHMENTS (object);
467 g_value_set_object (value, ev_sidebar_attachments->priv->icon_view);
470 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
476 ev_sidebar_attachments_destroy (GtkObject *object)
478 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (object);
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),
485 ev_attachbar->priv->icon_theme = NULL;
488 if (ev_attachbar->priv->model) {
489 g_object_unref (ev_attachbar->priv->model);
490 ev_attachbar->priv->model = NULL;
493 if (ev_attachbar->priv->icon_cache) {
494 g_hash_table_destroy (ev_attachbar->priv->icon_cache);
495 ev_attachbar->priv->icon_cache = NULL;
498 (* GTK_OBJECT_CLASS (ev_sidebar_attachments_parent_class)->destroy) (object);
502 ev_sidebar_attachments_class_init (EvSidebarAttachmentsClass *ev_attachbar_class)
504 GObjectClass *g_object_class;
505 GtkObjectClass *gtk_object_class;
506 GtkWidgetClass *gtk_widget_class;
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);
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;
517 g_type_class_add_private (g_object_class, sizeof (EvSidebarAttachmentsPrivate));
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),
526 g_cclosure_marshal_VOID__POINTER,
530 g_object_class_override_property (g_object_class,
536 ev_sidebar_attachments_init (EvSidebarAttachments *ev_attachbar)
538 #if !GTK_CHECK_VERSION (2, 15, 0)
539 const GtkTargetEntry drag_targets[] = {
540 { "text/uri-list", 0, 0 }
546 ev_attachbar->priv = EV_SIDEBAR_ATTACHMENTS_GET_PRIVATE (ev_attachbar);
548 swindow = gtk_scrolled_window_new (NULL, NULL);
549 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
551 GTK_POLICY_AUTOMATIC);
552 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
555 ev_attachbar->priv->model = gtk_list_store_new (N_COLS,
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,
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);
576 gtk_container_add (GTK_CONTAINER (swindow),
577 ev_attachbar->priv->icon_view);
579 gtk_container_add (GTK_CONTAINER (ev_attachbar),
581 gtk_widget_show_all (GTK_WIDGET (ev_attachbar));
584 ev_attachbar->priv->icon_theme = NULL;
587 ev_attachbar->priv->icon_cache = g_hash_table_new_full (g_str_hash,
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),
599 gtk_drag_source_add_uri_targets (ev_attachbar->priv->icon_view);
601 gtk_icon_view_enable_model_drag_source (
602 GTK_ICON_VIEW (ev_attachbar->priv->icon_view),
605 G_N_ELEMENTS (drag_targets),
609 g_signal_connect (ev_attachbar->priv->icon_view,
611 G_CALLBACK (ev_sidebar_attachments_drag_data_get),
612 (gpointer) ev_attachbar);
616 ev_sidebar_attachments_new (void)
618 GtkWidget *ev_attachbar;
620 ev_attachbar = g_object_new (EV_TYPE_SIDEBAR_ATTACHMENTS, NULL);
626 job_finished_callback (EvJobAttachments *job,
627 EvSidebarAttachments *ev_attachbar)
631 for (l = job->attachments; l && l->data; l = g_list_next (l)) {
632 EvAttachment *attachment;
634 GdkPixbuf *pixbuf = NULL;
635 const gchar *mime_type;
637 attachment = EV_ATTACHMENT (l->data);
639 mime_type = ev_attachment_get_mime_type (attachment);
640 pixbuf = ev_sidebar_attachments_icon_cache_get (ev_attachbar,
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),
647 COLUMN_ATTACHMENT, attachment,
651 g_object_unref (job);
655 ev_sidebar_attachments_set_document (EvSidebarPage *page,
656 EvDocument *document)
658 EvSidebarAttachments *ev_attachbar = EV_SIDEBAR_ATTACHMENTS (page);
661 if (!ev_attachbar->priv->icon_theme) {
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,
668 G_CALLBACK (ev_sidebar_attachments_update_icons),
669 (gpointer) ev_attachbar);
672 gtk_list_store_clear (ev_attachbar->priv->model);
674 job = ev_job_attachments_new (document);
675 g_signal_connect (job, "finished",
676 G_CALLBACK (job_finished_callback),
678 g_signal_connect (job, "cancelled",
679 G_CALLBACK (g_object_unref),
681 /* The priority doesn't matter for this job */
682 ev_job_scheduler_push_job (job, EV_JOB_PRIORITY_NONE);
686 ev_sidebar_attachments_support_document (EvSidebarPage *sidebar_page,
687 EvDocument *document)
689 return (EV_IS_DOCUMENT_ATTACHMENTS (document) &&
690 ev_document_attachments_has_attachments (EV_DOCUMENT_ATTACHMENTS (document)));
694 ev_sidebar_attachments_get_label (EvSidebarPage *sidebar_page)
696 return _("Attachments");
700 ev_sidebar_attachments_page_iface_init (EvSidebarPageIface *iface)
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;