1 /* this file is part of evince, a gnome document viewer
3 * Copyright (C) 2004 Red Hat, Inc.
4 * Copyright (C) 2004 Anders Carlsson <andersca@gnome.org>
7 * Jonathan Blandford <jrb@alum.mit.edu>
8 * Anders Carlsson <andersca@gnome.org>
10 * Evince is free software; you can redistribute it and/or modify it
11 * under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * Evince is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
32 #include "ev-sidebar-thumbnails.h"
33 #include "ev-document-thumbnails.h"
34 #include "ev-document-misc.h"
37 #define THUMBNAIL_WIDTH 75
38 /* Amount of time we devote to each iteration of the idle, in microseconds */
39 #define IDLE_WORK_LENGTH 5000
41 struct _EvSidebarThumbnailsPrivate {
43 GtkListStore *list_store;
47 gint current_page, n_pages;
56 static GtkVBoxClass *parent_class;
58 G_DEFINE_TYPE (EvSidebarThumbnails, ev_sidebar_thumbnails, GTK_TYPE_VBOX);
60 #define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \
61 (G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate));
64 ev_sidebar_thumbnails_destroy (GtkObject *object)
66 EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object);
67 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
69 if (priv->idle_id != 0) {
70 g_source_remove (priv->idle_id);
75 GTK_OBJECT_CLASS (parent_class)->destroy (object);
79 ev_sidebar_thumbnails_class_init (EvSidebarThumbnailsClass *ev_sidebar_thumbnails_class)
81 GObjectClass *g_object_class;
82 GtkObjectClass *gtk_object_class;
84 g_object_class = G_OBJECT_CLASS (ev_sidebar_thumbnails_class);
85 gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_thumbnails_class);
87 parent_class = g_type_class_peek_parent (ev_sidebar_thumbnails_class);
89 gtk_object_class->destroy = ev_sidebar_thumbnails_destroy;
91 g_type_class_add_private (g_object_class, sizeof (EvSidebarThumbnailsPrivate));
96 ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails)
99 EvSidebarThumbnailsPrivate *priv;
100 GtkCellRenderer *renderer;
102 priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails);
104 priv->list_store = gtk_list_store_new (NUM_COLUMNS, G_TYPE_STRING, GDK_TYPE_PIXBUF);
105 priv->tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
107 gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
108 renderer = g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF,
112 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
116 gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
117 NULL, gtk_cell_renderer_text_new (),
120 g_object_unref (priv->list_store);
122 swindow = gtk_scrolled_window_new (NULL, NULL);
123 gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
124 GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
125 gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (swindow),
128 gtk_container_add (GTK_CONTAINER (swindow), priv->tree_view);
129 gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), swindow, TRUE, TRUE, 0);
131 gtk_widget_show_all (swindow);
135 ev_sidebar_thumbnails_new (void)
137 GtkWidget *ev_sidebar_thumbnails;
139 ev_sidebar_thumbnails = g_object_new (EV_TYPE_SIDEBAR_THUMBNAILS, NULL);
141 return ev_sidebar_thumbnails;
145 do_one_iteration (EvSidebarThumbnails *ev_sidebar_thumbnails)
147 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
152 pixbuf = ev_document_thumbnails_get_thumbnail (EV_DOCUMENT_THUMBNAILS (priv->document),
153 priv->current_page, THUMBNAIL_WIDTH);
155 path = gtk_tree_path_new_from_indices (priv->current_page, -1);
156 gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
157 gtk_tree_path_free (path);
159 gtk_list_store_set (priv->list_store, &iter,
160 COLUMN_PIXBUF, pixbuf,
163 g_object_unref (pixbuf);
165 priv->current_page++;
167 if (priv->current_page == priv->n_pages)
174 populate_thumbnails_idle (gpointer data)
178 gdouble time_elapsed = 0;
180 EvSidebarThumbnails *ev_sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (data);
181 EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
184 #if PROFILE_THUMB == 1
185 static GTimer *total_timer;
186 static gboolean first_time = TRUE;
189 total_timer = g_timer_new ();
191 g_timer_start (total_timer);
195 if (priv->current_page == priv->n_pages) {
197 #if PROFILE_THUMB == 1
198 time_elapsed = g_timer_elapsed (total_timer, NULL);
199 g_timer_destroy (total_timer);
200 g_print ("%d rows done in %f seconds\n",
201 gtk_tree_model_iter_n_children (GTK_TREE_MODEL (priv->list_store), NULL),
207 timer = g_timer_new ();
209 g_timer_start (timer);
210 while (do_one_iteration (ev_sidebar_thumbnails)) {
212 time_elapsed = g_timer_elapsed (timer, NULL);
213 if (time_elapsed > IDLE_WORK_LENGTH/1000000)
216 g_timer_destroy (timer);
217 #if PROFILE_THUMB == 2
218 g_print ("%d rows done this idle in %f seconds\n", i, time_elapsed);
225 ev_sidebar_thumbnails_set_document (EvSidebarThumbnails *sidebar_thumbnails,
226 EvDocument *document)
228 GdkPixbuf *loading_icon;
232 gint width = THUMBNAIL_WIDTH;
233 gint height = THUMBNAIL_WIDTH;
235 EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
237 g_return_if_fail (EV_IS_DOCUMENT_THUMBNAILS (document));
239 if (priv->idle_id != 0) {
240 g_source_remove (priv->idle_id);
242 n_pages = ev_document_get_n_pages (document);
244 priv->document = document;
245 priv->idle_id = g_idle_add (populate_thumbnails_idle, sidebar_thumbnails);
246 priv->n_pages = n_pages;
247 priv->current_page = 0;
249 /* We get the dimensions of the first doc so that */
250 ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (priv->document),
251 0, THUMBNAIL_WIDTH, &width, &height);
252 loading_icon = ev_document_misc_get_thumbnail_frame (width, height, NULL);
254 for (i = 0; i < n_pages; i++) {
255 page = g_strdup_printf ("<i>%d</i>", i + 1);
256 gtk_list_store_append (priv->list_store, &iter);
257 gtk_list_store_set (priv->list_store, &iter,
258 COLUMN_PAGE_STRING, page,
259 COLUMN_PIXBUF, loading_icon,