inicial

1 files changed, 974 insertions, 0 deletions

diff --git a/shell/ev-sidebar-thumbnails.c b/shell/ev-sidebar-thumbnails.c
new file mode 100644
index 00000000..65fb3141
--- /dev/null
+++ b/shell/ev-sidebar-thumbnails.c
@@ -0,0 +1,974 @@
+/* this file is part of evince, a mate document viewer
+ *
+ *  Copyright (C) 2004 Red Hat, Inc.
+ *  Copyright (C) 2004, 2005 Anders Carlsson <[email protected]>
+ *
+ *  Authors:
+ *    Jonathan Blandford <[email protected]>
+ *    Anders Carlsson <[email protected]>
+ *
+ * Evince is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Evince is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include <glib/gi18n.h>
+#include <gtk/gtk.h>
+
+#include "ev-document-misc.h"
+#include "ev-document-thumbnails.h"
+#include "ev-job-scheduler.h"
+#include "ev-sidebar-page.h"
+#include "ev-sidebar-thumbnails.h"
+#include "ev-utils.h"
+#include "ev-window.h"
+
+#define THUMBNAIL_WIDTH 100
+
+/* The IconView doesn't scale nearly as well as the TreeView, so we arbitrarily
+ * limit its use */
+#define MAX_ICON_VIEW_PAGE_COUNT 1500
+
+typedef struct _EvThumbsSize
+{
+	gint width;
+	gint height;
+} EvThumbsSize;
+
+typedef struct _EvThumbsSizeCache {
+	gboolean uniform;
+	gint uniform_width;
+	gint uniform_height;
+	EvThumbsSize *sizes;
+} EvThumbsSizeCache;
+
+struct _EvSidebarThumbnailsPrivate {
+	GtkWidget *swindow;
+	GtkWidget *icon_view;
+	GtkWidget *tree_view;
+	GtkAdjustment *vadjustment;
+	GtkListStore *list_store;
+	GHashTable *loading_icons;
+	EvDocument *document;
+	EvDocumentModel *model;
+	EvThumbsSizeCache *size_cache;
+
+	gint n_pages, pages_done;
+
+	int rotation;
+	gboolean inverted_colors;
+
+	/* Visible pages */
+	gint start_page, end_page;
+};
+
+enum {
+	COLUMN_PAGE_STRING,
+	COLUMN_PIXBUF,
+	COLUMN_THUMBNAIL_SET,
+	COLUMN_JOB,
+	NUM_COLUMNS
+};
+
+enum {
+	PROP_0,
+	PROP_WIDGET,
+};
+
+static void         ev_sidebar_thumbnails_clear_model      (EvSidebarThumbnails     *sidebar);
+static gboolean     ev_sidebar_thumbnails_support_document (EvSidebarPage           *sidebar_page,
+							    EvDocument              *document);
+static void         ev_sidebar_thumbnails_page_iface_init  (EvSidebarPageInterface  *iface);
+static const gchar* ev_sidebar_thumbnails_get_label        (EvSidebarPage           *sidebar_page);
+static void         thumbnail_job_completed_callback       (EvJobThumbnail          *job,
+							    EvSidebarThumbnails     *sidebar_thumbnails);
+static void         adjustment_changed_cb                  (EvSidebarThumbnails     *sidebar_thumbnails);
+
+G_DEFINE_TYPE_EXTENDED (EvSidebarThumbnails, 
+                        ev_sidebar_thumbnails, 
+                        GTK_TYPE_VBOX,
+                        0, 
+                        G_IMPLEMENT_INTERFACE (EV_TYPE_SIDEBAR_PAGE, 
+					       ev_sidebar_thumbnails_page_iface_init))
+
+#define EV_SIDEBAR_THUMBNAILS_GET_PRIVATE(object) \
+	(G_TYPE_INSTANCE_GET_PRIVATE ((object), EV_TYPE_SIDEBAR_THUMBNAILS, EvSidebarThumbnailsPrivate));
+
+/* Thumbnails dimensions cache */
+#define EV_THUMBNAILS_SIZE_CACHE_KEY "ev-thumbnails-size-cache"
+
+static EvThumbsSizeCache *
+ev_thumbnails_size_cache_new (EvDocument *document)
+{
+	EvThumbsSizeCache *cache;
+	EvRenderContext *rc = NULL;
+	gint i, n_pages;
+	EvThumbsSize *thumb_size;
+
+	cache = g_new0 (EvThumbsSizeCache, 1);
+
+	n_pages = ev_document_get_n_pages (document);
+
+	/* Assume all pages are the same size until proven otherwise */
+	cache->uniform = TRUE;
+
+	for (i = 0; i < n_pages; i++) {
+		EvPage *page;
+		gdouble page_width, page_height;
+		gint    thumb_width = 0;
+		gint    thumb_height = 0;
+
+		page = ev_document_get_page (document, i);
+
+		ev_document_get_page_size (document, i, &page_width, &page_height);
+
+		if (!rc) {
+			rc = ev_render_context_new (page, 0, (gdouble)THUMBNAIL_WIDTH / page_width);
+		} else {
+			ev_render_context_set_page (rc, page);
+			ev_render_context_set_scale (rc, (gdouble)THUMBNAIL_WIDTH / page_width);
+		}
+
+		ev_document_thumbnails_get_dimensions (EV_DOCUMENT_THUMBNAILS (document),
+						       rc, &thumb_width, &thumb_height);
+
+		if (i == 0) {
+			cache->uniform_width = thumb_width;
+			cache->uniform_height = thumb_height;
+		} else if (cache->uniform &&
+			   (cache->uniform_width != thumb_width ||
+			    cache->uniform_height != thumb_height)) {
+			/* It's a different thumbnail size.  Backfill the array. */
+			int j;
+
+			cache->sizes = g_new0 (EvThumbsSize, n_pages);
+
+			for (j = 0; j < i; j++) {
+				thumb_size = &(cache->sizes[j]);
+				thumb_size->width = cache->uniform_width;
+				thumb_size->height = cache->uniform_height;
+			}
+			cache->uniform = FALSE;
+		}
+
+		if (! cache->uniform) {
+			thumb_size = &(cache->sizes[i]);
+
+			thumb_size->width = thumb_width;
+			thumb_size->height = thumb_height;
+		}
+
+		g_object_unref (page);
+	}
+
+	if (rc) {
+		g_object_unref (rc);
+	}
+
+	return cache;
+}
+
+static void
+ev_thumbnails_size_cache_get_size (EvThumbsSizeCache *cache,
+				   gint               page,
+				   gint               rotation,
+				   gint              *width,
+				   gint              *height)
+{
+	gint w, h;
+
+	if (cache->uniform) {
+		w = cache->uniform_width;
+		h = cache->uniform_height;
+	} else {
+		EvThumbsSize *thumb_size;
+
+		thumb_size = &(cache->sizes[page]);
+
+		w = thumb_size->width;
+		h = thumb_size->height;
+	}
+
+	if (rotation == 0 || rotation == 180) {
+		if (width) *width = w;
+		if (height) *height = h;
+	} else {
+		if (width) *width = h;
+		if (height) *height = w;
+	}
+}
+
+static void
+ev_thumbnails_size_cache_free (EvThumbsSizeCache *cache)
+{
+	if (cache->sizes) {
+		g_free (cache->sizes);
+		cache->sizes = NULL;
+	}
+
+	g_free (cache);
+}
+
+static EvThumbsSizeCache *
+ev_thumbnails_size_cache_get (EvDocument *document)
+{
+	EvThumbsSizeCache *cache;
+
+	cache = g_object_get_data (G_OBJECT (document), EV_THUMBNAILS_SIZE_CACHE_KEY);
+	if (!cache) {
+		cache = ev_thumbnails_size_cache_new (document);
+		g_object_set_data_full (G_OBJECT (document),
+					EV_THUMBNAILS_SIZE_CACHE_KEY,
+					cache,
+					(GDestroyNotify)ev_thumbnails_size_cache_free);
+	}
+
+	return cache;
+}
+
+
+static void
+ev_sidebar_thumbnails_dispose (GObject *object)
+{
+	EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (object);
+	
+	if (sidebar_thumbnails->priv->loading_icons) {
+		g_hash_table_destroy (sidebar_thumbnails->priv->loading_icons);
+		sidebar_thumbnails->priv->loading_icons = NULL;
+	}
+	
+	if (sidebar_thumbnails->priv->list_store) {
+		ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
+		g_object_unref (sidebar_thumbnails->priv->list_store);
+		sidebar_thumbnails->priv->list_store = NULL;
+	}
+
+	G_OBJECT_CLASS (ev_sidebar_thumbnails_parent_class)->dispose (object);
+}
+
+static void
+ev_sidebar_thumbnails_get_property (GObject    *object,
+				    guint       prop_id,
+				    GValue     *value,
+				    GParamSpec *pspec)
+{
+	EvSidebarThumbnails *sidebar = EV_SIDEBAR_THUMBNAILS (object);
+
+	switch (prop_id) {
+	case PROP_WIDGET:
+		if (sidebar->priv->tree_view)
+			g_value_set_object (value, sidebar->priv->tree_view);
+		else
+			g_value_set_object (value, sidebar->priv->icon_view);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+ev_sidebar_thumbnails_map (GtkWidget *widget)
+{
+	EvSidebarThumbnails *sidebar;
+
+	sidebar = EV_SIDEBAR_THUMBNAILS (widget);
+
+	GTK_WIDGET_CLASS (ev_sidebar_thumbnails_parent_class)->map (widget);
+	
+	adjustment_changed_cb (sidebar);
+}
+
+static void
+ev_sidebar_thumbnails_class_init (EvSidebarThumbnailsClass *ev_sidebar_thumbnails_class)
+{
+	GObjectClass *g_object_class;
+	GtkObjectClass *gtk_object_class;
+	GtkWidgetClass *widget_class;
+
+	g_object_class = G_OBJECT_CLASS (ev_sidebar_thumbnails_class);
+	gtk_object_class = GTK_OBJECT_CLASS (ev_sidebar_thumbnails_class);
+	widget_class = GTK_WIDGET_CLASS (ev_sidebar_thumbnails_class);
+
+	g_object_class->dispose = ev_sidebar_thumbnails_dispose;
+	g_object_class->get_property = ev_sidebar_thumbnails_get_property;
+	widget_class->map = ev_sidebar_thumbnails_map;
+
+	g_object_class_override_property (g_object_class,
+					  PROP_WIDGET,
+					  "main-widget");
+
+	g_type_class_add_private (g_object_class, sizeof (EvSidebarThumbnailsPrivate));
+}
+
+GtkWidget *
+ev_sidebar_thumbnails_new (void)
+{
+	GtkWidget *ev_sidebar_thumbnails;
+
+	ev_sidebar_thumbnails = g_object_new (EV_TYPE_SIDEBAR_THUMBNAILS, NULL);
+
+	return ev_sidebar_thumbnails;
+}
+
+static GdkPixbuf *
+ev_sidebar_thumbnails_get_loading_icon (EvSidebarThumbnails *sidebar_thumbnails,
+					gint                 width,
+					gint                 height)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+	GdkPixbuf *icon;
+	gchar     *key;
+
+	key = g_strdup_printf ("%dx%d", width, height);
+	icon = g_hash_table_lookup (priv->loading_icons, key);
+	if (!icon) {
+		gboolean inverted_colors;
+
+		inverted_colors = ev_document_model_get_inverted_colors (priv->model);
+		icon = ev_document_misc_get_loading_thumbnail (width, height, inverted_colors);
+		g_hash_table_insert (priv->loading_icons, key, icon);
+	} else {
+		g_free (key);
+	}
+	
+	return icon;
+}
+
+static void
+clear_range (EvSidebarThumbnails *sidebar_thumbnails,
+	     gint                 start_page,
+	     gint                 end_page)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+	GtkTreePath *path;
+	GtkTreeIter iter;
+	gboolean result;
+	gint prev_width = -1;
+	gint prev_height = -1;
+
+	g_assert (start_page <= end_page);
+
+	path = gtk_tree_path_new_from_indices (start_page, -1);
+	for (result = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
+	     result && start_page <= end_page;
+	     result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), start_page ++) {
+		EvJobThumbnail *job;
+		GdkPixbuf *loading_icon = NULL;
+		gint width, height;
+
+		gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store),
+				    &iter,
+				    COLUMN_JOB, &job,
+				    -1);
+
+		if (job) {
+			g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, sidebar_thumbnails);
+			ev_job_cancel (EV_JOB (job));
+			g_object_unref (job);
+		}
+
+		ev_thumbnails_size_cache_get_size (priv->size_cache, start_page,
+						  priv->rotation,
+						  &width, &height);
+		if (!loading_icon || (width != prev_width && height != prev_height)) {
+			loading_icon =
+				ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
+									width, height);
+		}
+
+		prev_width = width;
+		prev_height = height;
+
+		gtk_list_store_set (priv->list_store, &iter,
+				    COLUMN_JOB, NULL,
+				    COLUMN_THUMBNAIL_SET, FALSE,
+				    COLUMN_PIXBUF, loading_icon,
+				    -1);
+	}
+	gtk_tree_path_free (path);
+}
+
+static gdouble
+get_scale_for_page (EvSidebarThumbnails *sidebar_thumbnails,
+		    gint                 page)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+	gdouble width;
+
+	ev_document_get_page_size (priv->document, page, &width, NULL);
+
+	return (gdouble)THUMBNAIL_WIDTH / width;
+}
+
+static void
+add_range (EvSidebarThumbnails *sidebar_thumbnails,
+	   gint                 start_page,
+	   gint                 end_page)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+	GtkTreePath *path;
+	GtkTreeIter iter;
+	gboolean result;
+	gint page = start_page;
+
+	g_assert (start_page <= end_page);
+
+	path = gtk_tree_path_new_from_indices (start_page, -1);
+	for (result = gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->list_store), &iter, path);
+	     result && page <= end_page;
+	     result = gtk_tree_model_iter_next (GTK_TREE_MODEL (priv->list_store), &iter), page ++) {
+		EvJob *job;
+		gboolean thumbnail_set;
+
+		gtk_tree_model_get (GTK_TREE_MODEL (priv->list_store), &iter,
+				    COLUMN_JOB, &job,
+				    COLUMN_THUMBNAIL_SET, &thumbnail_set,
+				    -1);
+
+		if (job == NULL && !thumbnail_set) {
+			job = ev_job_thumbnail_new (priv->document,
+						    page, priv->rotation,
+						    get_scale_for_page (sidebar_thumbnails, page));
+			ev_job_scheduler_push_job (EV_JOB (job), EV_JOB_PRIORITY_HIGH);
+			
+			g_object_set_data_full (G_OBJECT (job), "tree_iter",
+						gtk_tree_iter_copy (&iter),
+						(GDestroyNotify) gtk_tree_iter_free);
+			g_signal_connect (job, "finished",
+					  G_CALLBACK (thumbnail_job_completed_callback),
+					  sidebar_thumbnails);
+			gtk_list_store_set (priv->list_store, &iter,
+					    COLUMN_JOB, job,
+					    -1);
+			
+			/* The queue and the list own a ref to the job now */
+			g_object_unref (job);
+		} else if (job) {
+			g_object_unref (job);
+		}
+	}
+	gtk_tree_path_free (path);
+}
+
+/* This modifies start */
+static void
+update_visible_range (EvSidebarThumbnails *sidebar_thumbnails,
+		      gint                 start_page,
+		      gint                 end_page)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+	int old_start_page, old_end_page;
+
+	old_start_page = priv->start_page;
+	old_end_page = priv->end_page;
+
+	if (start_page == old_start_page &&
+	    end_page == old_end_page)
+		return;
+
+	/* Clear the areas we no longer display */
+	if (old_start_page >= 0 && old_start_page < start_page)
+		clear_range (sidebar_thumbnails, old_start_page, MIN (start_page - 1, old_end_page));
+	
+	if (old_end_page > 0 && old_end_page > end_page)
+		clear_range (sidebar_thumbnails, MAX (end_page + 1, old_start_page), old_end_page);
+
+	add_range (sidebar_thumbnails, start_page, end_page);
+	
+	priv->start_page = start_page;
+	priv->end_page = end_page;
+}
+
+static void
+adjustment_changed_cb (EvSidebarThumbnails *sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+	GtkTreePath *path = NULL;
+	GtkTreePath *path2 = NULL;
+	gdouble page_size;
+	gdouble value;
+	gint wy1;
+	gint wy2;
+
+	/* Widget is not currently visible */
+	if (!gtk_widget_get_mapped (GTK_WIDGET (sidebar_thumbnails)))
+		return;
+
+	page_size = gtk_adjustment_get_page_size (priv->vadjustment);
+
+	if (page_size == 0)
+		return;
+
+	value = gtk_adjustment_get_value (priv->vadjustment);
+	
+	if (priv->tree_view) {
+		if (! gtk_widget_get_realized (priv->tree_view))
+			return;
+
+		gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
+								 0, (int) value,
+								 NULL, &wy1);
+		gtk_tree_view_convert_tree_to_bin_window_coords (GTK_TREE_VIEW (priv->tree_view),
+								 0, (int) (value + page_size),
+								 NULL, &wy2);
+		gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
+					       1, wy1 + 1, &path,
+					       NULL, NULL, NULL);
+		gtk_tree_view_get_path_at_pos (GTK_TREE_VIEW (priv->tree_view),
+					       1, wy2 -1, &path2,
+					       NULL, NULL, NULL);
+	} else if (priv->icon_view) {
+		if (! gtk_widget_get_realized (priv->icon_view))
+			return;
+		if (! gtk_icon_view_get_visible_range (GTK_ICON_VIEW (priv->icon_view), &path, &path2))
+			return;
+	} else {
+		return;
+	}
+
+	if (path && path2) {
+		update_visible_range (sidebar_thumbnails,
+				      gtk_tree_path_get_indices (path)[0],
+				      gtk_tree_path_get_indices (path2)[0]);
+	}
+
+	gtk_tree_path_free (path);
+	gtk_tree_path_free (path2);
+}
+
+static void
+ev_sidebar_thumbnails_fill_model (EvSidebarThumbnails *sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+	GtkTreeIter iter;
+	int i;
+	gint prev_width = -1;
+	gint prev_height = -1;
+
+	for (i = 0; i < sidebar_thumbnails->priv->n_pages; i++) {
+		gchar     *page_label;
+		gchar     *page_string;
+		GdkPixbuf *loading_icon = NULL;
+		gint       width, height;
+
+		page_label = ev_document_get_page_label (priv->document, i);
+		page_string = g_markup_printf_escaped ("<i>%s</i>", page_label);
+		ev_thumbnails_size_cache_get_size (sidebar_thumbnails->priv->size_cache, i,
+						  sidebar_thumbnails->priv->rotation,
+						  &width, &height);
+		if (!loading_icon || (width != prev_width && height != prev_height)) {
+			loading_icon =
+				ev_sidebar_thumbnails_get_loading_icon (sidebar_thumbnails,
+									width, height);
+		}
+
+		prev_width = width;
+		prev_height = height;
+		
+		gtk_list_store_append (priv->list_store, &iter);
+		gtk_list_store_set (priv->list_store, &iter,
+				    COLUMN_PAGE_STRING, page_string,
+				    COLUMN_PIXBUF, loading_icon,
+				    COLUMN_THUMBNAIL_SET, FALSE,
+				    -1);
+		g_free (page_label);
+		g_free (page_string);
+	}
+}
+
+static void
+ev_sidebar_tree_selection_changed (GtkTreeSelection *selection,
+				   EvSidebarThumbnails *ev_sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
+	GtkTreePath *path;
+	GtkTreeIter iter;
+	int page;
+
+	if (!gtk_tree_selection_get_selected (selection, NULL, &iter))
+		return;
+
+	path = gtk_tree_model_get_path (GTK_TREE_MODEL (priv->list_store),
+					&iter);
+	page = gtk_tree_path_get_indices (path)[0];
+	gtk_tree_path_free (path);
+
+	ev_document_model_set_page (priv->model, page);
+}
+
+static void
+ev_sidebar_icon_selection_changed (GtkIconView         *icon_view,
+				   EvSidebarThumbnails *ev_sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv = ev_sidebar_thumbnails->priv;
+	GtkTreePath *path;
+	GList *selected;
+	int page;
+
+	selected = gtk_icon_view_get_selected_items (icon_view);
+	if (selected == NULL)
+		return;
+
+	/* We don't handle or expect multiple selection. */
+	g_assert (selected->next == NULL);
+
+	path = selected->data;
+	page = gtk_tree_path_get_indices (path)[0];
+
+	gtk_tree_path_free (path);
+	g_list_free (selected);
+
+	ev_document_model_set_page (priv->model, page);
+}
+
+static void
+ev_sidebar_init_tree_view (EvSidebarThumbnails *ev_sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv;
+	GtkTreeSelection *selection;
+	GtkCellRenderer *renderer;
+
+	priv = ev_sidebar_thumbnails->priv;
+	priv->tree_view = gtk_tree_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
+
+	selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->tree_view));
+	g_signal_connect (selection, "changed",
+			  G_CALLBACK (ev_sidebar_tree_selection_changed), ev_sidebar_thumbnails);
+	gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->tree_view), FALSE);
+	renderer = g_object_new (GTK_TYPE_CELL_RENDERER_PIXBUF,
+				 "xpad", 2,
+				 "ypad", 2,
+				 NULL);
+	gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
+						     NULL, renderer,
+						     "pixbuf", 1,
+						     NULL);
+	gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (priv->tree_view), -1,
+						     NULL, gtk_cell_renderer_text_new (),
+						     "markup", 0, NULL);
+	gtk_container_add (GTK_CONTAINER (priv->swindow), priv->tree_view);
+	gtk_widget_show (priv->tree_view);
+}
+
+static void
+ev_sidebar_init_icon_view (EvSidebarThumbnails *ev_sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv;
+
+	priv = ev_sidebar_thumbnails->priv;
+
+	priv->icon_view = gtk_icon_view_new_with_model (GTK_TREE_MODEL (priv->list_store));
+	gtk_icon_view_set_markup_column (GTK_ICON_VIEW (priv->icon_view), 0);
+	gtk_icon_view_set_pixbuf_column (GTK_ICON_VIEW (priv->icon_view), 1);
+	g_signal_connect (priv->icon_view, "selection-changed",
+			  G_CALLBACK (ev_sidebar_icon_selection_changed), ev_sidebar_thumbnails);
+
+	gtk_container_add (GTK_CONTAINER (priv->swindow), priv->icon_view);
+	gtk_widget_show (priv->icon_view);
+}
+
+static gboolean
+ev_sidebar_thumbnails_use_icon_view (EvSidebarThumbnails *sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+
+	return (ev_document_get_n_pages (priv->document) <= MAX_ICON_VIEW_PAGE_COUNT);
+}
+
+static void
+ev_sidebar_thumbnails_init (EvSidebarThumbnails *ev_sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv;
+
+	priv = ev_sidebar_thumbnails->priv = EV_SIDEBAR_THUMBNAILS_GET_PRIVATE (ev_sidebar_thumbnails);
+
+	priv->list_store = gtk_list_store_new (NUM_COLUMNS,
+					       G_TYPE_STRING,
+					       GDK_TYPE_PIXBUF,
+					       G_TYPE_BOOLEAN,
+					       EV_TYPE_JOB_THUMBNAIL);
+
+	priv->swindow = gtk_scrolled_window_new (NULL, NULL);
+	
+	/* We actually don't want GTK_POLICY_AUTOMATIC for horizontal scrollbar here
+	 * it's just a workaround for bug #449462
+	 */
+	gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (priv->swindow),
+					GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
+	gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (priv->swindow),
+					     GTK_SHADOW_IN);
+	priv->vadjustment = gtk_scrolled_window_get_vadjustment (GTK_SCROLLED_WINDOW (priv->swindow));
+	g_signal_connect_data (priv->vadjustment, "value-changed",
+			       G_CALLBACK (adjustment_changed_cb),
+			       ev_sidebar_thumbnails, NULL,
+			       G_CONNECT_SWAPPED | G_CONNECT_AFTER);
+	g_signal_connect_swapped (priv->swindow, "size-allocate",
+				  G_CALLBACK (adjustment_changed_cb),
+				  ev_sidebar_thumbnails);
+	gtk_box_pack_start (GTK_BOX (ev_sidebar_thumbnails), priv->swindow, TRUE, TRUE, 0);
+
+	/* Put it all together */
+	gtk_widget_show_all (priv->swindow);
+}
+
+static void
+ev_sidebar_thumbnails_set_current_page (EvSidebarThumbnails *sidebar,
+					gint                 page)
+{
+	GtkTreeView *tree_view;
+	GtkTreePath *path;
+
+	path = gtk_tree_path_new_from_indices (page, -1);
+
+	if (sidebar->priv->tree_view) {
+		tree_view = GTK_TREE_VIEW (sidebar->priv->tree_view);
+		gtk_tree_view_set_cursor (tree_view, path, NULL, FALSE);
+		gtk_tree_view_scroll_to_cell (tree_view, path, NULL, FALSE, 0.0, 0.0);
+	} else if (sidebar->priv->icon_view) {
+
+		g_signal_handlers_block_by_func
+			(sidebar->priv->icon_view,
+			 G_CALLBACK (ev_sidebar_icon_selection_changed), sidebar);
+
+		gtk_icon_view_select_path (GTK_ICON_VIEW (sidebar->priv->icon_view), path);
+
+		g_signal_handlers_unblock_by_func
+			(sidebar->priv->icon_view,
+			 G_CALLBACK (ev_sidebar_icon_selection_changed), sidebar);
+
+		gtk_icon_view_set_cursor (GTK_ICON_VIEW (sidebar->priv->icon_view), path, NULL, FALSE);
+	}
+
+	gtk_tree_path_free (path);
+}
+
+static void
+page_changed_cb (EvSidebarThumbnails *sidebar,
+		 gint                 old_page,
+		 gint                 new_page)
+{
+	ev_sidebar_thumbnails_set_current_page (sidebar, new_page);
+}
+
+static gboolean
+refresh (EvSidebarThumbnails *sidebar_thumbnails)
+{
+	adjustment_changed_cb (sidebar_thumbnails);
+	return FALSE;
+}
+
+static void
+ev_sidebar_thumbnails_reload (EvSidebarThumbnails *sidebar_thumbnails)
+{
+	EvDocumentModel *model;
+
+	if (sidebar_thumbnails->priv->loading_icons)
+		g_hash_table_remove_all (sidebar_thumbnails->priv->loading_icons);
+
+	if (sidebar_thumbnails->priv->document == NULL ||
+	    sidebar_thumbnails->priv->n_pages <= 0)
+		return;
+
+	model = sidebar_thumbnails->priv->model;
+
+	ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
+	ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
+
+	/* Trigger a redraw */
+	sidebar_thumbnails->priv->start_page = -1;
+	sidebar_thumbnails->priv->end_page = -1;
+	ev_sidebar_thumbnails_set_current_page (sidebar_thumbnails,
+						ev_document_model_get_page (model));
+	g_idle_add ((GSourceFunc)refresh, sidebar_thumbnails);
+}
+
+static void
+ev_sidebar_thumbnails_rotation_changed_cb (EvDocumentModel     *model,
+					   GParamSpec          *pspec,
+					   EvSidebarThumbnails *sidebar_thumbnails)
+{
+	gint rotation = ev_document_model_get_rotation (model);
+
+	sidebar_thumbnails->priv->rotation = rotation;
+	ev_sidebar_thumbnails_reload (sidebar_thumbnails);
+}
+
+static void
+ev_sidebar_thumbnails_inverted_colors_changed_cb (EvDocumentModel     *model,
+						  GParamSpec          *pspec,
+						  EvSidebarThumbnails *sidebar_thumbnails)
+{
+	gboolean inverted_colors = ev_document_model_get_inverted_colors (model);
+
+	sidebar_thumbnails->priv->inverted_colors = inverted_colors;
+	ev_sidebar_thumbnails_reload (sidebar_thumbnails);
+}
+
+static void
+thumbnail_job_completed_callback (EvJobThumbnail      *job,
+				  EvSidebarThumbnails *sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+	GtkTreeIter *iter;
+
+	iter = (GtkTreeIter *) g_object_get_data (G_OBJECT (job), "tree_iter");
+	if (priv->inverted_colors)
+		ev_document_misc_invert_pixbuf (job->thumbnail);
+	gtk_list_store_set (priv->list_store,
+			    iter,
+			    COLUMN_PIXBUF, job->thumbnail,
+			    COLUMN_THUMBNAIL_SET, TRUE,
+			    COLUMN_JOB, NULL,
+			    -1);
+}
+
+static void
+ev_sidebar_thumbnails_document_changed_cb (EvDocumentModel     *model,
+					   GParamSpec          *pspec,
+					   EvSidebarThumbnails *sidebar_thumbnails)
+{
+	EvDocument *document = ev_document_model_get_document (model);
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+
+	if (!EV_IS_DOCUMENT_THUMBNAILS (document) ||
+	    ev_document_get_n_pages (document) <= 0 ||
+	    !ev_document_check_dimensions (document)) {
+		return;
+	}
+
+	priv->size_cache = ev_thumbnails_size_cache_get (document);
+	priv->document = document;
+	priv->n_pages = ev_document_get_n_pages (document);
+	priv->rotation = ev_document_model_get_rotation (model);
+	priv->inverted_colors = ev_document_model_get_inverted_colors (model);
+	priv->loading_icons = g_hash_table_new_full (g_str_hash,
+						     g_str_equal,
+						     (GDestroyNotify)g_free,
+						     (GDestroyNotify)g_object_unref);
+
+	ev_sidebar_thumbnails_clear_model (sidebar_thumbnails);
+	ev_sidebar_thumbnails_fill_model (sidebar_thumbnails);
+
+	/* Create the view widget, and remove the old one, if needed */
+	if (ev_sidebar_thumbnails_use_icon_view (sidebar_thumbnails)) {
+		if (priv->tree_view) {
+			gtk_container_remove (GTK_CONTAINER (priv->swindow), priv->tree_view);
+			priv->tree_view = NULL;
+		}
+
+		if (! priv->icon_view) {
+			ev_sidebar_init_icon_view (sidebar_thumbnails);
+			g_object_notify (G_OBJECT (sidebar_thumbnails), "main_widget");
+		} else {
+			gtk_widget_queue_resize (priv->icon_view);
+		}
+	} else {
+		if (priv->icon_view) {
+			gtk_container_remove (GTK_CONTAINER (priv->swindow), priv->icon_view);
+			priv->icon_view = NULL;
+		}
+
+		if (! priv->tree_view) {
+			ev_sidebar_init_tree_view (sidebar_thumbnails);
+			g_object_notify (G_OBJECT (sidebar_thumbnails), "main_widget");
+		}
+	}
+
+	/* Connect to the signal and trigger a fake callback */
+	g_signal_connect_swapped (priv->model, "page-changed",
+				  G_CALLBACK (page_changed_cb),
+				  sidebar_thumbnails);
+	g_signal_connect (priv->model, "notify::rotation",
+			  G_CALLBACK (ev_sidebar_thumbnails_rotation_changed_cb),
+			  sidebar_thumbnails);
+	g_signal_connect (priv->model, "notify::inverted-colors",
+			  G_CALLBACK (ev_sidebar_thumbnails_inverted_colors_changed_cb),
+			  sidebar_thumbnails);
+	sidebar_thumbnails->priv->start_page = -1;
+	sidebar_thumbnails->priv->end_page = -1;
+	ev_sidebar_thumbnails_set_current_page (sidebar_thumbnails,
+						ev_document_model_get_page (model));
+	adjustment_changed_cb (sidebar_thumbnails);
+}
+
+static void
+ev_sidebar_thumbnails_set_model (EvSidebarPage   *sidebar_page,
+				 EvDocumentModel *model)
+{
+	EvSidebarThumbnails *sidebar_thumbnails = EV_SIDEBAR_THUMBNAILS (sidebar_page);
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+
+	if (priv->model == model)
+		return;
+
+	priv->model = model;
+	g_signal_connect (model, "notify::document",
+			  G_CALLBACK (ev_sidebar_thumbnails_document_changed_cb),
+			  sidebar_page);
+}
+
+static gboolean
+ev_sidebar_thumbnails_clear_job (GtkTreeModel *model,                                             
+			         GtkTreePath *path,
+			         GtkTreeIter *iter,
+				 gpointer data)
+{
+	EvJob *job;
+	
+	gtk_tree_model_get (model, iter, COLUMN_JOB, &job, -1);
+	
+	if (job != NULL) {
+		ev_job_cancel (job);
+		g_signal_handlers_disconnect_by_func (job, thumbnail_job_completed_callback, data);
+		g_object_unref (job);
+	}
+	
+	return FALSE;    
+}
+
+static void 
+ev_sidebar_thumbnails_clear_model (EvSidebarThumbnails *sidebar_thumbnails)
+{
+	EvSidebarThumbnailsPrivate *priv = sidebar_thumbnails->priv;
+	
+	gtk_tree_model_foreach (GTK_TREE_MODEL (priv->list_store), ev_sidebar_thumbnails_clear_job, sidebar_thumbnails);
+	gtk_list_store_clear (priv->list_store);
+}
+
+static gboolean
+ev_sidebar_thumbnails_support_document (EvSidebarPage   *sidebar_page,
+				        EvDocument *document)
+{
+	return (EV_IS_DOCUMENT_THUMBNAILS (document));
+}
+
+static const gchar*
+ev_sidebar_thumbnails_get_label (EvSidebarPage *sidebar_page)
+{
+	return _("Thumbnails");
+}
+
+static void
+ev_sidebar_thumbnails_page_iface_init (EvSidebarPageInterface *iface)
+{
+	iface->support_document = ev_sidebar_thumbnails_support_document;
+	iface->set_model = ev_sidebar_thumbnails_set_model;
+	iface->get_label = ev_sidebar_thumbnails_get_label;
+}