/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation.
 *
 * This program 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 Lesser General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 *
 * Authors:
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#include "evolution-config.h"

#include <ctype.h>
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>

#include <libxml/tree.h>
#include <libxml/parser.h>
#include <libxml/xmlmemory.h>
#include <glib/gi18n.h>

#include "e-util/e-util.h"
#include "e-util/e-util-private.h"

#include "addressbook/util/eab-book-util.h"

#include "e-contact-print.h"

typedef struct _EContactPrintContext EContactPrintContext;
typedef struct _ContactPrintItem ContactPrintItem;

struct _EContactPrintContext
{
	GtkPrintOperationAction action;
	GtkPrintContext *context;
	gdouble x;
	gdouble y;
	gint column;
	gdouble column_width;
	gdouble column_spacing;
	EContactPrintStyle *style;
	gboolean first_section;

	gint page_nr, pages;

	PangoFontDescription *letter_heading_font;
	gchar *section;
	gboolean first_contact;

	GSList *contact_list;
};

static gdouble
get_font_height (PangoFontDescription *desc)
{
	return pango_units_to_double (
		pango_font_description_get_size (desc));
}

static gdouble
get_font_width (GtkPrintContext *context,
                PangoFontDescription *desc,
                const gchar *text)
{
	PangoLayout *layout;
	gint width, height;

	g_return_val_if_fail (desc, .0);
	g_return_val_if_fail (text, .0);

	layout = gtk_print_context_create_pango_layout (context);

	pango_layout_set_font_description (layout, desc);
	pango_layout_set_text (layout, text, -1);
	pango_layout_set_width (layout, -1);
	pango_layout_set_indent (layout, 0);

	pango_layout_get_size (layout, &width, &height);

	g_object_unref (layout);

	return pango_units_to_double (width);
}

static void
e_contact_output (GtkPrintContext *context,
                  PangoFontDescription *font,
                  gdouble x,
                  gdouble y,
                  gdouble width,
                  const gchar *text)
{
	PangoLayout *layout;
	gdouble indent;
	cairo_t *cr;

	layout = gtk_print_context_create_pango_layout (context);

	if (width == -1 || get_font_width (context, font, text) <= width)
		indent = .0;
	else
		indent = get_font_width (context, font, "     ");

	pango_layout_set_font_description (layout, font);
	pango_layout_set_text (layout, text, -1);
	pango_layout_set_width (layout, pango_units_from_double (width));
	pango_layout_set_indent (layout, pango_units_from_double (indent));
	pango_layout_set_wrap (layout, PANGO_WRAP_WORD_CHAR);

	cr = gtk_print_context_get_cairo_context (context);

	cairo_save (cr);
	cairo_move_to (cr, x, y);
	pango_cairo_show_layout (cr, layout);
	cairo_restore (cr);

	g_object_unref (layout);
}

static gdouble
e_contact_text_height (GtkPrintContext *context,
                       PangoFontDescription *desc,
                       const gchar *text)
{
	PangoLayout *layout;
	gint width, height;

	layout = gtk_print_context_create_pango_layout (context);

	pango_layout_set_font_description (layout, desc);
	pango_layout_set_text (layout, text, -1);

	pango_layout_get_size (layout, &width, &height);

	g_object_unref (layout);

	return pango_units_to_double (height);
}

static void
e_contact_print_letter_heading (EContactPrintContext *ctxt,
                                gchar *letter)
{
	PangoLayout *layout;
	PangoFontDescription *desc;
	PangoFontMetrics *metrics;
	gint width, height;
	cairo_t *cr;

	desc = ctxt->letter_heading_font;

	layout = gtk_print_context_create_pango_layout (ctxt->context);

	/* Make the rectangle thrice the average character width.
	 * XXX Works well for English, what about other locales? */
	metrics = pango_context_get_metrics (
		pango_layout_get_context (layout),
		desc, pango_language_get_default ());
	width = pango_font_metrics_get_approximate_char_width (metrics) * 3;
	pango_font_metrics_unref (metrics);

	pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
	pango_layout_set_font_description (layout, desc);
	pango_layout_set_text (layout, letter, -1);
	pango_layout_set_width (layout, width);
	pango_layout_get_size (layout, NULL, &height);

	if (ctxt->page_nr == -1 || ctxt->pages != ctxt->page_nr) {
		/* only calculating number of pages
		 * or on page we do not want to print */
		ctxt->y += pango_units_to_double (height);

		return;
	}

	/* Draw white text centered in a black rectangle. */
	cr = gtk_print_context_get_cairo_context (ctxt->context);

	cairo_save (cr);
	cairo_set_source_rgb (cr, .0, .0, .0);
	cairo_rectangle (
		cr, ctxt->x, ctxt->y,
		pango_units_to_double (width),
		pango_units_to_double (height));
	cairo_fill (cr);
	cairo_restore (cr);

	cairo_save (cr);
	cairo_move_to (cr, ctxt->x, ctxt->y);
	cairo_set_source_rgb (cr, 1., 1., 1.);
	pango_cairo_show_layout (cr, layout);
	cairo_restore (cr);

	ctxt->y += pango_units_to_double (height);
}

static void
e_contact_start_new_page (EContactPrintContext *ctxt)
{
	ctxt->x = ctxt->y = .0;
	ctxt->column = 0;
	ctxt->pages++;
}

static void
e_contact_start_new_column (EContactPrintContext *ctxt)
{
	if (++ctxt->column >= ctxt->style->num_columns)
		e_contact_start_new_page (ctxt);
	else {
		ctxt->x = ctxt->column *
			(ctxt->column_width + ctxt->column_spacing);
		ctxt->y = .0;
	}
}

/*
 * returns (transfer-full) a formated email or a copy of value if parsing failed.
 */
static gchar*
format_email (const gchar* value)
{
	gchar *email = NULL, *name = NULL;

	if (eab_parse_qp_email (value, &name, &email)) {
		gchar* res;
		if (name && *name)
			res = g_strdup_printf ("%s <%s>", name, email);
		else
			res = g_strdup_printf ("%s", email);

		g_free (name);
		g_free (email);

		return res;
	}

	return g_strdup (value);
}

static gchar *
get_contact_string_value (EContact *contact,
                          gint field)
{
	const gchar *value;

	g_return_val_if_fail (contact != NULL, NULL);

	value = e_contact_get_const (contact, field);
	if (!value || !*value)
		return NULL;

	if (field == E_CONTACT_EMAIL_1 ||
	    field == E_CONTACT_EMAIL_2 ||
	    field == E_CONTACT_EMAIL_3 ||
	    field == E_CONTACT_EMAIL_4) {
		gchar* res = format_email (value);
		return res;
	}
	return g_strdup (value);
}

static gdouble
e_contact_get_contact_height (EContact *contact,
                              EContactPrintContext *ctxt)
{
	gchar *file_as;
	gint field;
	gdouble cntct_height = 0.0;

	cntct_height += get_font_height (ctxt->style->headings_font) * .2;

	file_as = e_contact_get (contact, E_CONTACT_FILE_AS);

	cntct_height += e_contact_text_height (
		ctxt->context, ctxt->style->headings_font, file_as);

	g_free (file_as);

	cntct_height += get_font_height (ctxt->style->headings_font) * .2;

	for (field = E_CONTACT_FILE_AS; field != E_CONTACT_LAST_SIMPLE_STRING; field++)
	{
		gchar *value;
		gchar *text;

		value = get_contact_string_value (contact, field);
		if (value == NULL || *value == '\0') {
			g_free (value);
			continue;
		}

		text = g_strdup_printf (
			"%s:  %s",
			e_contact_pretty_name (field), value);

		if (field == E_CONTACT_FIRST_EMAIL_ID) {
			GList *emails = e_contact_get_attributes (contact, E_CONTACT_EMAIL);
			guint n = g_list_length (emails);
			cntct_height += n * e_contact_text_height (
						ctxt->context,
						ctxt->style->body_font,
						text);
			g_list_free_full (emails, (GDestroyNotify) e_vcard_attribute_free);
		} else if (field > E_CONTACT_FIRST_EMAIL_ID &&
			   field <= E_CONTACT_LAST_EMAIL_ID) {
			/* ignore */
		} else if (field == E_CONTACT_FIRST_PHONE_ID) {
			GList *phones = e_contact_get_attributes (contact, E_CONTACT_TEL);
			guint n = g_list_length (phones);
			cntct_height += n * e_contact_text_height (
						ctxt->context,
						ctxt->style->body_font,
						text);
			g_list_free_full (phones, (GDestroyNotify) e_vcard_attribute_free);
		} else if (field > E_CONTACT_FIRST_PHONE_ID &&
			   field <= E_CONTACT_LAST_PHONE_ID) {
			/* ignore */
		} else {
			cntct_height += e_contact_text_height (
					ctxt->context,
					ctxt->style->body_font,
					text);
		}

		cntct_height += .2 * get_font_height (ctxt->style->body_font);

		g_free (value);
		g_free (text);
	}

	cntct_height += get_font_height (ctxt->style->headings_font) * .4 + 8;

	return cntct_height;
}
static void
print_line (EContactPrintContext *ctxt,
            const gchar *pretty_name,
            const gchar *value)
{
	GtkPageSetup *setup;
	gdouble page_height;
	gint wrapped_lines = 0;
	gchar *text;

	setup = gtk_print_context_get_page_setup (ctxt->context);
	page_height = gtk_page_setup_get_page_height (setup, GTK_UNIT_POINTS);

	text = g_strdup_printf (
		"%s:  %s",
		pretty_name, value);


	if (ctxt->y > page_height)
		e_contact_start_new_column (ctxt);

	if (ctxt->pages == ctxt->page_nr)
		e_contact_output (
			ctxt->context, ctxt->style->body_font,
			ctxt->x, ctxt->y, ctxt->column_width + 4, text);

	if (get_font_width (ctxt->context,
		ctxt->style->body_font, text) > ctxt->column_width)
		wrapped_lines =
			(get_font_width (ctxt->context,
			ctxt->style->body_font, text) /
			(ctxt->column_width + 4)) + 1;
	ctxt->y =
		ctxt->y + ((wrapped_lines + 1) *
		e_contact_text_height (
			ctxt->context,
			ctxt->style->body_font,
			text));

	ctxt->y += .2 * get_font_height (ctxt->style->body_font);

	g_free (text);
}

static void
print_emails (EContact *contact,
              EContactPrintContext *ctxt)
{
	gint i;
	GList *emails, *l;

	emails = e_contact_get_attributes (contact, E_CONTACT_EMAIL);

	for (i = 1, l = emails; l; l = g_list_next (l), i++) {
		EVCardAttribute *attr = l->data;
		gchar *email_address;
		gchar *formatted_email;
		const gchar *pretty_name;

		email_address = e_vcard_attribute_get_value (attr);
		formatted_email = format_email (email_address);
		pretty_name = eab_get_email_label_text (attr);

		print_line (ctxt, pretty_name, formatted_email);

		g_free (email_address);
		g_free (formatted_email);
	}

	g_list_free_full (emails, (GDestroyNotify) e_vcard_attribute_free);
}

static void
print_phones (EContact *contact,
              EContactPrintContext * ctxt)
{
	GList *phones, *l;

	phones = e_contact_get_attributes (contact, E_CONTACT_TEL);

	for (l = phones; l; l = g_list_next (l)) {
		EVCardAttribute *attr = l->data;
		gchar *phone;
		const gchar *pretty_name;

		phone = e_vcard_attribute_get_value (attr);
		pretty_name = eab_get_phone_label_text (attr);
		print_line (ctxt, pretty_name, phone);

		g_free (phone);
	}

	g_list_free_full (phones, (GDestroyNotify) e_vcard_attribute_free);
}

static void
e_contact_print_contact (EContact *contact,
                         EContactPrintContext *ctxt)
{
	gchar *file_as;
	cairo_t *cr;
	gint field;


	cr = gtk_print_context_get_cairo_context (ctxt->context);
	cairo_save (cr);
	ctxt->y += get_font_height (ctxt->style->headings_font) * .2;

	file_as = e_contact_get (contact, E_CONTACT_FILE_AS);

	if (ctxt->style->print_using_grey && ctxt->pages == ctxt->page_nr) {
		cairo_save (cr);
		cairo_set_source_rgb (cr, .85, .85, .85);
		cairo_rectangle (
			cr, ctxt->x, ctxt->y, ctxt->column_width,
			e_contact_text_height (ctxt->context,
				ctxt->style->headings_font, file_as));
		cairo_fill (cr);
		cairo_restore (cr);
	}

	if (ctxt->pages == ctxt->page_nr)
		e_contact_output (
			ctxt->context, ctxt->style->headings_font,
			ctxt->x, ctxt->y, ctxt->column_width + 4, file_as);
	ctxt->y += e_contact_text_height (
		ctxt->context, ctxt->style->headings_font, file_as);

	g_free (file_as);

	ctxt->y += get_font_height (ctxt->style->headings_font) * .2;

	for (field = E_CONTACT_FILE_AS; field != E_CONTACT_LAST_SIMPLE_STRING; field++)
	{
		if (field == E_CONTACT_FIRST_EMAIL_ID)
			print_emails (contact, ctxt);
		else if (field > E_CONTACT_FIRST_EMAIL_ID &&
			 field <= E_CONTACT_LAST_EMAIL_ID)
			; /* ignore, all emails are printed in print_emails() */
		else if (field == E_CONTACT_FIRST_PHONE_ID)
			print_phones (contact, ctxt);
		else if (field > E_CONTACT_FIRST_PHONE_ID &&
			 field <= E_CONTACT_LAST_PHONE_ID)
			; /* ignore, all phones are printed in print_phones() */
		else {
			gchar *value;

			value = get_contact_string_value (contact, field);
			if (value == NULL || *value == '\0') {
				g_free (value);
				continue;
			}

			print_line (ctxt, e_contact_pretty_name (field), value);

			g_free (value);
		}
	}

	ctxt->y += get_font_height (ctxt->style->headings_font) * .4 + 8;

	cairo_restore (cr);
}

static gint
contact_compare (EContact *contact1,
                 EContact *contact2)
{
	const gchar *field1, *field2;

	if (contact1 == NULL || contact2 == NULL)
		return 0;

	field1 = e_contact_get_const (contact1, E_CONTACT_FILE_AS);
	field2 = e_contact_get_const (contact2, E_CONTACT_FILE_AS);

	if (field1 != NULL && field2 != NULL)
		return g_utf8_collate (field1, field2);

	if (field1 != NULL || field2 != NULL)
		return (field1 != NULL) ? -1 : 1;

	field1 = e_contact_get_const (contact1, E_CONTACT_UID);
	field2 = e_contact_get_const (contact2, E_CONTACT_UID);

	g_return_val_if_fail (
		field1 != NULL && field2 != NULL,
		(field1 != NULL) ? -1 : 1);

	return strcmp (field1, field2);
}

static void
contacts_added (EBookClientView *book_view,
                const GSList *contact_list,
                EContactPrintContext *ctxt)
{
	while (contact_list != NULL) {
		ctxt->contact_list = g_slist_prepend (
			ctxt->contact_list,
			g_object_ref (contact_list->data));
		contact_list = contact_list->next;
	}
}

static void
view_complete (EBookClientView *client_view,
               const GError *error,
               GtkPrintOperation *operation)
{
	EContactPrintContext *ctxt;

	g_return_if_fail (operation != NULL);

	ctxt = g_object_get_data (G_OBJECT (operation), "contact-print-ctx");
	g_return_if_fail (ctxt != NULL);

	e_book_client_view_stop (client_view, NULL);
	g_signal_handlers_disconnect_by_func (
		client_view, G_CALLBACK (contacts_added), ctxt);
	g_signal_handlers_disconnect_by_func (
		client_view, G_CALLBACK (view_complete), operation);

	g_object_unref (client_view);

	gtk_print_operation_run (operation, ctxt->action, NULL, NULL);
	g_object_unref (operation);
}

static gboolean
get_bool (gchar *data)
{
	if (data)
		return (g_ascii_strcasecmp (data, "true") == 0);
	else
		return FALSE;
}

static void
get_string (gchar *data,
            gchar **variable)
{
	g_free (*variable);
	*variable = g_strdup ((data != NULL) ? data : "");
}

static gint
get_integer (gchar *data)
{
	return (data != NULL) ? atoi (data) : 0;
}

static gdouble
get_float (gchar *data)
{
	return (data != NULL) ? atof (data) : .0;
}

static void
get_font (gchar *data,
          PangoFontDescription **variable)
{
	PangoFontDescription *desc = NULL;

	if (data != NULL)
		desc = pango_font_description_from_string (data);

	if (desc != NULL) {
		pango_font_description_free (*variable);
		*variable = desc;
	}
}

static void
e_contact_build_style (EContactPrintStyle *style)
{
	xmlDocPtr styledoc;
	gchar *filename;

	style->title = g_strdup ("");
	style->type = E_CONTACT_PRINT_TYPE_CARDS;
	style->sections_start_new_page = TRUE;
	style->num_columns = 2;
	style->blank_forms = 2;
	style->letter_headings = FALSE;

	style->headings_font = pango_font_description_from_string ("Sans Bold 8");
	style->body_font = pango_font_description_from_string ("Sans 6");

	style->print_using_grey = TRUE;
	style->paper_type = 0;
	style->paper_width = 8.5;
	style->paper_height = 11;
	style->paper_source = 0;
	style->top_margin = .5;
	style->left_margin = .5;
	style->bottom_margin = .5;
	style->right_margin = .5;
	style->page_size = 0;
	style->page_width = 2.75;
	style->page_height = 4.25;
#if 0
	style->page_width = 4.25;
	style->page_height = 5.5;
#endif
#if 0
	style->page_width = 5.5;
	style->page_height = 8.5;
#endif
	style->orientation_portrait = FALSE;

	style->header_font = pango_font_description_copy (style->body_font);

	style->left_header = g_strdup ("");
	style->center_header = g_strdup ("");
	style->right_header = g_strdup ("");

	style->footer_font = pango_font_description_copy (style->body_font);

	style->left_footer = g_strdup ("");
	style->center_footer = g_strdup ("");
	style->right_footer = g_strdup ("");
	style->reverse_on_even_pages = FALSE;

	filename = g_build_filename (EVOLUTION_ECPSDIR, "medbook.ecps", NULL);
	styledoc = e_xml_parse_file (filename);
	g_free (filename);

	if (styledoc) {
		xmlNodePtr stylenode = xmlDocGetRootElement (styledoc);
		xmlNodePtr node;
		for (node = stylenode->children; node; node = node->next) {
			gchar *data = (gchar *) xmlNodeGetContent (node);
			if (!strcmp ((gchar *) node->name, "title")) {
				get_string (data, &(style->title));
			} else if (!strcmp ((gchar *) node->name, "type")) {
				if (g_ascii_strcasecmp (data, "cards") == 0)
					style->type = E_CONTACT_PRINT_TYPE_CARDS;
				else if (g_ascii_strcasecmp (data, "memo_style") == 0)
					style->type = E_CONTACT_PRINT_TYPE_MEMO_STYLE;
				else if (g_ascii_strcasecmp (data, "phone_list") == 0)
					style->type = E_CONTACT_PRINT_TYPE_PHONE_LIST;
			} else if (!strcmp ((gchar *) node->name, "sections_start_new_page")) {
				style->sections_start_new_page = get_bool (data);
			} else if (!strcmp ((gchar *) node->name, "num_columns")) {
				style->num_columns = get_integer (data);
			} else if (!strcmp ((gchar *) node->name, "blank_forms")) {
				style->blank_forms = get_integer (data);
			} else if (!strcmp ((gchar *) node->name, "letter_headings")) {
				style->letter_headings = get_bool (data);
			} else if (!strcmp ((gchar *) node->name, "headings_font")) {
				get_font (data, &(style->headings_font));
			} else if (!strcmp ((gchar *) node->name, "body_font")) {
				get_font (data, &(style->body_font));
			} else if (!strcmp ((gchar *) node->name, "print_using_grey")) {
				style->print_using_grey = get_bool (data);
			} else if (!strcmp ((gchar *) node->name, "paper_width")) {
				style->paper_width = get_float (data);
			} else if (!strcmp ((gchar *) node->name, "paper_height")) {
				style->paper_height = get_float (data);
			} else if (!strcmp ((gchar *) node->name, "top_margin")) {
				style->top_margin = get_float (data);
			} else if (!strcmp ((gchar *) node->name, "left_margin")) {
				style->left_margin = get_float (data);
			} else if (!strcmp ((gchar *) node->name, "bottom_margin")) {
				style->bottom_margin = get_float (data);
			} else if (!strcmp ((gchar *) node->name, "right_margin")) {
				style->right_margin = get_float (data);
			} else if (!strcmp ((gchar *) node->name, "page_width")) {
				style->page_width = get_float (data);
			} else if (!strcmp ((gchar *) node->name, "page_height")) {
				style->page_height = get_float (data);
			} else if (!strcmp ((gchar *) node->name, "orientation")) {
				if (data) {
					style->orientation_portrait =
						(g_ascii_strcasecmp (data, "landscape") != 0);
				} else {
					style->orientation_portrait = TRUE;
				}
			} else if (!strcmp ((gchar *) node->name, "header_font")) {
				get_font (data, &(style->header_font));
			} else if (!strcmp ((gchar *) node->name, "left_header")) {
				get_string (data, &(style->left_header));
			} else if (!strcmp ((gchar *) node->name, "center_header")) {
				get_string (data, &(style->center_header));
			} else if (!strcmp ((gchar *) node->name, "right_header")) {
				get_string (data, &(style->right_header));
			} else if (!strcmp ((gchar *) node->name, "footer_font")) {
				get_font (data, &(style->footer_font));
			} else if (!strcmp ((gchar *) node->name, "left_footer")) {
				get_string (data, &(style->left_footer));
			} else if (!strcmp ((gchar *) node->name, "center_footer")) {
				get_string (data, &(style->center_footer));
			} else if (!strcmp ((gchar *) node->name, "right_footer")) {
				get_string (data, &(style->right_footer));
			} else if (!strcmp ((gchar *) node->name, "reverse_on_even_pages")) {
				style->reverse_on_even_pages = get_bool (data);
			}
			if (data)
				xmlFree (data);
		}
		xmlFreeDoc (styledoc);
	}

}

static void
contact_draw (EContact *contact,
              EContactPrintContext *ctxt)
{
	GtkPageSetup *setup;
	gdouble page_height;
	gchar *file_as;
	gboolean new_section = FALSE;

	setup = gtk_print_context_get_page_setup (ctxt->context);
	page_height = gtk_page_setup_get_page_height (setup, GTK_UNIT_POINTS);

	file_as = e_contact_get (contact, E_CONTACT_FILE_AS);

	if (file_as != NULL) {
		gchar *section;
		gsize width;

		width = g_utf8_next_char (file_as) - file_as;
		section = g_utf8_strup (file_as, width);

		new_section = (ctxt->section == NULL ||
			g_utf8_collate (ctxt->section, section) != 0);

		if (new_section) {
			g_free (ctxt->section);
			ctxt->section = section;
		} else
			g_free (section);
	}

	if (new_section) {
		if (!ctxt->first_contact) {
			if (ctxt->style->sections_start_new_page)
				e_contact_start_new_page (ctxt);
			else if ((ctxt->y + e_contact_get_contact_height (
					contact, ctxt)) > page_height)
				e_contact_start_new_column (ctxt);
		}
		if (ctxt->style->letter_headings)
			e_contact_print_letter_heading (ctxt, ctxt->section);
		ctxt->first_section = FALSE;
	}

	else if (!ctxt->first_contact && ((ctxt->y +
		e_contact_get_contact_height (contact, ctxt)) > page_height)) {
		e_contact_start_new_column (ctxt);
		if (ctxt->style->letter_headings)
			e_contact_print_letter_heading (ctxt, ctxt->section);
	}

	e_contact_print_contact (contact, ctxt);

	ctxt->first_contact = FALSE;
}

static void
contact_begin_print (GtkPrintOperation *operation,
                     GtkPrintContext *context,
                     EContactPrintContext *ctxt)
{
	GtkPageSetup *setup;
	gdouble page_width;

	e_contact_build_style (ctxt->style);

	setup = gtk_print_context_get_page_setup (context);
	page_width = gtk_page_setup_get_page_width (setup, GTK_UNIT_POINTS);

	ctxt->context = context;
	ctxt->x = ctxt->y = .0;
	ctxt->column = 0;
	ctxt->first_contact = TRUE;
	ctxt->first_section = TRUE;
	ctxt->section = NULL;

	ctxt->column_spacing = gtk_print_context_get_dpi_x (context) / 4;
	ctxt->column_width = (page_width + ctxt->column_spacing) /
		ctxt->style->num_columns - ctxt->column_spacing;

	ctxt->letter_heading_font = pango_font_description_new ();
	pango_font_description_set_family (
		ctxt->letter_heading_font,
		pango_font_description_get_family (
			ctxt->style->headings_font));
	pango_font_description_set_size (
		ctxt->letter_heading_font,
		pango_font_description_get_size (
			ctxt->style->headings_font) * 1.5);

	if (ctxt->contact_list != NULL) {
		ctxt->page_nr = -1;
		ctxt->pages = 1;
		ctxt->contact_list = g_slist_sort (
			ctxt->contact_list,
			(GCompareFunc) contact_compare);
		g_slist_foreach (ctxt->contact_list, (GFunc) contact_draw, ctxt);
		gtk_print_operation_set_n_pages (operation, ctxt->pages);
	}
}

/* contact_page_draw_footer inserts the
 * page number at the end of each page
 * while printing*/
void
contact_page_draw_footer (GtkPrintOperation *operation,
                          GtkPrintContext *context,
                          gint page_nr)
{
	PangoFontDescription *desc;
	PangoLayout *layout;
	gdouble x, y, page_height, page_width, page_margin;
	/*gint n_pages;*/
	gchar *text;
	cairo_t *cr;
	GtkPageSetup *setup;

	/*Uncomment next if it is successful to get total number if pages in list view
	 * g_object_get (operation, "n-pages", &n_pages, NULL)*/
	text = g_strdup_printf (_("Page %d"), page_nr + 1);

	setup = gtk_print_context_get_page_setup (context);
	page_height = gtk_page_setup_get_page_height (setup, GTK_UNIT_POINTS);
	page_width = gtk_page_setup_get_page_width (setup, GTK_UNIT_POINTS);
	page_margin = gtk_page_setup_get_bottom_margin (setup, GTK_UNIT_POINTS);

	desc = pango_font_description_from_string ("Sans Regular 8");
	layout = gtk_print_context_create_pango_layout (context);
	pango_layout_set_alignment (layout, PANGO_ALIGN_CENTER);
	pango_layout_set_font_description (layout, desc);
	pango_layout_set_text (layout, text, -1);
	pango_layout_set_width (layout, -1);

	x = page_width / 2.0 - page_margin;
	y = page_height - page_margin / 2.0;

	cr = gtk_print_context_get_cairo_context (context);

	cairo_save (cr);
	cairo_set_source_rgb (cr, .0, .0, .0);
	cairo_move_to (cr, x, y);
	pango_cairo_show_layout (cr, layout);
	cairo_restore (cr);

	g_object_unref (layout);
	pango_font_description_free (desc);

	g_free (text);
}

static void
contact_draw_page (GtkPrintOperation *operation,
                   GtkPrintContext *context,
                   gint page_nr,
                   EContactPrintContext *ctxt)
{
	/* only text on page_nr == pages will be drawn, the pages is recalculated */
	ctxt->page_nr = page_nr;
	ctxt->pages = 0;

	ctxt->x = ctxt->y = .0;
	ctxt->column = 0;
	ctxt->first_contact = TRUE;
	ctxt->first_section = TRUE;
	ctxt->section = NULL;

	g_slist_foreach (ctxt->contact_list, (GFunc) contact_draw, ctxt);
	contact_page_draw_footer (operation, context, page_nr);
}

static void
contact_end_print (GtkPrintOperation *operation,
                   GtkPrintContext *context,
                   EContactPrintContext *ctxt)
{
	pango_font_description_free (ctxt->style->headings_font);
	pango_font_description_free (ctxt->style->body_font);
	pango_font_description_free (ctxt->style->header_font);
	pango_font_description_free (ctxt->style->footer_font);
	pango_font_description_free (ctxt->letter_heading_font);

	g_slist_free_full (
		ctxt->contact_list,
		(GDestroyNotify) g_object_unref);

	g_free (ctxt->style);
	g_free (ctxt->section);
}

static void
get_view_ready_cb (GObject *source_object,
                   GAsyncResult *result,
                   gpointer user_data)
{
	GtkPrintOperation *operation = user_data;
	EBookClient *book_client = E_BOOK_CLIENT (source_object);
	EBookClientView *client_view = NULL;
	EContactPrintContext *ctxt;
	GError *error = NULL;

	e_book_client_get_view_finish (book_client, result, &client_view, &error);

	ctxt = g_object_get_data (G_OBJECT (operation), "contact-print-ctx");
	g_return_if_fail (ctxt != NULL);

	if (error != NULL) {
		g_warning (
			"%s: Failed to get view: %s",
			G_STRFUNC, error->message);
		g_error_free (error);

		gtk_print_operation_run (operation, ctxt->action, NULL, NULL);
		g_object_unref (operation);
	} else {
		g_signal_connect (
			client_view, "objects-added",
			G_CALLBACK (contacts_added), ctxt);
		g_signal_connect (
			client_view, "complete",
			G_CALLBACK (view_complete), operation);

		e_book_client_view_start (client_view, &error);

		if (error != NULL) {
			g_warning (
				"%s: Failed to start view: %s",
				G_STRFUNC, error->message);
			g_error_free (error);

			gtk_print_operation_run (operation, ctxt->action, NULL, NULL);
			g_object_unref (operation);
		}
	}
}

void
e_contact_print (EBookClient *book_client,
                 EBookQuery *query,
                 const GSList *contact_list,
                 GtkPrintOperationAction action)
{
	GtkPrintOperation *operation;
	EContactPrintContext *ctxt;

	ctxt = g_new0 (EContactPrintContext, 1);
	ctxt->action = action;
	ctxt->contact_list = g_slist_copy_deep (
		(GSList *) contact_list,
		(GCopyFunc) g_object_ref, NULL);
	ctxt->style = g_new0 (EContactPrintStyle, 1);
	ctxt->page_nr = 0;
	ctxt->pages = 0;

	operation = e_print_operation_new ();
	gtk_print_operation_set_n_pages (operation, 1);

	g_object_set_data_full (
		G_OBJECT (operation), "contact-print-ctx", ctxt, g_free);

	g_signal_connect (
		operation, "begin-print",
		G_CALLBACK (contact_begin_print), ctxt);
	g_signal_connect (
		operation, "draw_page",
		G_CALLBACK (contact_draw_page), ctxt);
	g_signal_connect (
		operation, "end-print",
		G_CALLBACK (contact_end_print), ctxt);

	if (book_client) {
		gchar *query_str = e_book_query_to_string (query);

		e_book_client_get_view (
			book_client, query_str, NULL,
			get_view_ready_cb, operation);

		g_free (query_str);
	} else {
		gtk_print_operation_run (operation, action, NULL, NULL);

		g_object_unref (operation);
	}
}
