/*
* Copyright (C) 2003, 2004 Marco Pesenti Gritti
* Copyright (C) 2003, 2004 Christian Persch
* Copyright (C) 2004 Peter Harvey
*
* This program 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, or (at your option)
* any later version.
*
* 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 General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* $Id$
*/
#include "config.h"
#include "ephy-bookmarks-menu.h"
#include "ephy-bookmarks-ui.h"
#include "ephy-bookmark-action.h"
#include "ephy-open-tabs-action.h"
#include "ephy-topic-action.h"
#include "ephy-nodes-cover.h"
#include "ephy-node-common.h"
#include "ephy-link.h"
#include "ephy-shell.h"
#include "ephy-string.h"
#include "ephy-gui.h"
#include "ephy-debug.h"
#include <string.h>
#define MIN_MENU_SIZE 7
#define MAX_MENU_SIZE 21
enum
{
BUILD_SUBDIVIS = 1 << 0,
BUILD_SUBMENUS = 1 << 1,
BUILD_CHILD_SUBDIVIS = 1 << 2,
BUILD_CHILD_SUBMENUS = 1 << 3
};
/* Construct a block of bookmark actions, postfixing the names with a topic id
* to allow different. */
static void
append_bookmarks (GString *string, const GPtrArray *bookmarks, gint instance)
{
char *name;
long i;
for (i = 0; i < bookmarks->len; i++)
{
name = ephy_bookmark_action_name (g_ptr_array_index (bookmarks, i));
if (name)
{
g_string_append_printf (string, "<menuitem action=\"%s\" name=\"%s-%d\"/>",
name, name, instance);
g_free (name);
}
}
}
/* Build a menu of the given bookmarks categorised by the given topics.
* Shows categorisation using subdivisions, submenus, or a mix of both. */
static void
append_menu (GString *string, const GPtrArray *topics, const GPtrArray *bookmarks, guint flags)
{
GPtrArray *uncovered;
guint i, j;
gboolean use_subdivis = flags & BUILD_SUBDIVIS;
gboolean use_submenus = flags & BUILD_SUBMENUS;
if (use_subdivis || use_submenus)
{
GPtrArray *subset, *covering, *subdivisions, *submenus, *unused;
GArray *sizes = 0;
EphyNode *topic;
gint size, total;
gboolean separate = FALSE;
char *name;
/* Get the subtopics, uncovered bookmarks, and subtopic sizes. */
sizes = g_array_sized_new (FALSE, FALSE, sizeof(int), topics->len);
uncovered = g_ptr_array_sized_new (bookmarks->len);
covering = ephy_nodes_get_covering (topics, bookmarks, 0, uncovered, sizes);
/* Preallocate arrays for submenus, subdivisions, and bookmark subsets. */
subdivisions = g_ptr_array_sized_new (topics->len);
submenus = g_ptr_array_sized_new (topics->len);
subset = g_ptr_array_sized_new (bookmarks->len);
unused = g_ptr_array_sized_new (bookmarks->len);
/* Get the total number of items in the menu. */
total = uncovered->len;
for (i = 0; i < covering->len; i++)
total += g_array_index (sizes, int, i);
/* Seperate covering into list of submenus and subdivisions */
for (i = 0; i < covering->len; i++)
{
topic = g_ptr_array_index (covering, i);
size = g_array_index (sizes, int, i);
if (!use_submenus || (use_subdivis && (size < MIN_MENU_SIZE || total < MAX_MENU_SIZE)))
{
g_ptr_array_add (subdivisions, topic);
}
else
{
g_ptr_array_add (submenus, topic);
total = total - size + 1;
}
}
/* Sort the list of submenus and subdivisions. */
g_ptr_array_sort (submenus, ephy_bookmarks_compare_topic_pointers);
g_ptr_array_sort (subdivisions, ephy_bookmarks_compare_topic_pointers);
if (flags & BUILD_CHILD_SUBDIVIS) flags |= BUILD_SUBDIVIS;
if (flags & BUILD_CHILD_SUBMENUS) flags |= BUILD_SUBMENUS;
/* Create each of the submenus. */
for (i = 0; i < submenus->len; i++)
{
topic = g_ptr_array_index (submenus, i);
ephy_nodes_get_covered (topic, bookmarks, subset);
name = ephy_topic_action_name (topic);
if (name)
{
g_string_append_printf (string, "<menu name=\"%s\" action=\"%s\">",
name, name);
append_menu (string, topics, subset, flags);
g_string_append (string, "</menu>");
separate = TRUE;
g_free (name);
}
}
/* Build a list of bookmarks which don't appear in any subdivision yet. */
for (i = 0; i < bookmarks->len; i++)
{
g_ptr_array_add (unused, g_ptr_array_index (bookmarks, i));
}
/* Create each of the subdivisions. */
for (i = 0; i < subdivisions->len; i++)
{
topic = g_ptr_array_index (subdivisions, i);
ephy_nodes_get_covered (topic, unused, subset);
g_ptr_array_sort (subset, ephy_bookmarks_compare_bookmark_pointers);
if (separate) g_string_append (string, "<separator/>");
append_bookmarks (string, subset, i+1);
separate = TRUE;
/* Record that each bookmark has been added. */
for (j = 0; j < subset->len; j++)
{
g_ptr_array_remove_fast (unused, g_ptr_array_index (subset, j));
}
}
g_array_free (sizes, TRUE);
g_ptr_array_free (covering, TRUE);
g_ptr_array_free (subdivisions, TRUE);
g_ptr_array_free (submenus, TRUE);
g_ptr_array_free (subset, TRUE);
g_ptr_array_free (unused, TRUE);
if (separate && uncovered->len) g_string_append (string, "<separator/>");
}
else
{
uncovered = g_ptr_array_sized_new (bookmarks->len);
for (i = 0; i < bookmarks->len; i++)
g_ptr_array_add (uncovered, g_ptr_array_index (bookmarks, i));
g_ptr_array_sort (uncovered, ephy_bookmarks_compare_bookmark_pointers);
}
/* Create the final subdivision (uncovered bookmarks). */
g_ptr_array_sort (uncovered, ephy_bookmarks_compare_bookmark_pointers);
append_bookmarks (string, uncovered, 0);
g_ptr_array_free (uncovered, TRUE);
}
void
ephy_bookmarks_menu_build (GString *string, EphyNode *parent)
{
GPtrArray *children, *topics;
EphyBookmarks *eb;
EphyNode *node;
gint priority;
guint flags, id, i;
eb = ephy_shell_get_bookmarks (ephy_shell);
children = ephy_node_get_children (ephy_bookmarks_get_keywords (eb));
topics = g_ptr_array_sized_new (children->len);
for (i = 0; i < children->len; i++)
{
node = g_ptr_array_index (children, i);
priority = ephy_node_get_property_int (node, EPHY_NODE_KEYWORD_PROP_PRIORITY);
if (priority == EPHY_NODE_NORMAL_PRIORITY)
g_ptr_array_add (topics, node);
}
/* If no parent was supplied, use the default 'All' */
node = parent ? parent : ephy_bookmarks_get_bookmarks(eb);
children = ephy_node_get_children (node);
/* Determine what kind of menu we want. */
id = ephy_node_get_id (node);
switch(id)
{
case FAVORITES_NODE_ID:
flags = 0;
break;
case BOOKMARKS_NODE_ID:
flags = BUILD_SUBMENUS | BUILD_CHILD_SUBDIVIS;
break;
default:
flags = BUILD_SUBMENUS | BUILD_SUBDIVIS | BUILD_CHILD_SUBDIVIS;
/* flags = BUILD_SUBDIVIS; */
break;
}
/* If this menu is the 'All' menu, be sure to include the 'local' topic. */
if (id == BOOKMARKS_NODE_ID)
{
EphyNode *local_node;
local_node = ephy_bookmarks_get_local (eb);
if (local_node != NULL)
{
g_ptr_array_add (topics, ephy_bookmarks_get_local (eb));
}
append_menu (string, topics, children, flags);
g_ptr_array_free (topics, TRUE);
}
/* Otherwise, build the menu with "Open in tabs". */
else
{
char *name;
append_menu (string, topics, children, flags);
g_ptr_array_free (topics, TRUE);
if (children->len > 1)
{
name = ephy_open_tabs_action_name (node);
g_string_append_printf
(string, "<separator/><menuitem action=\"%s\" name=\"OpenTabs\"/>", name);
g_free (name);
}
}
}
