/* * Copyright (C) 2002, 2003 Marco Pesenti Gritti * * 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. * * $Id$ */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "ephy-history.h" #include "ephy-file-helpers.h" #include "ephy-debug.h" #include "ephy-node-common.h" #include #include #include #include #define EPHY_HISTORY_XML_ROOT "ephy_history" #define EPHY_HISTORY_XML_VERSION "1.0" /* how often to save the history, in milliseconds */ #define HISTORY_SAVE_INTERVAL (60 * 5 * 1000) /* if you change this remember to change also the user interface description */ #define HISTORY_PAGE_OBSOLETE_DAYS 10 #define EPHY_HISTORY_GET_PRIVATE(object)(G_TYPE_INSTANCE_GET_PRIVATE ((object), EPHY_TYPE_HISTORY, EphyHistoryPrivate)) struct EphyHistoryPrivate { char *xml_file; EphyNodeDb *db; EphyNode *hosts; EphyNode *pages; EphyNode *last_page; GHashTable *hosts_hash; GStaticRWLock *hosts_hash_lock; GHashTable *pages_hash; GStaticRWLock *pages_hash_lock; int autosave_timeout; guint update_hosts_idle; gboolean dirty; }; enum { ADD, UPDATE, REMOVE, VISITED, LAST_SIGNAL }; static void ephy_history_class_init (EphyHistoryClass *klass); static void ephy_history_init (EphyHistory *tab); static void ephy_history_finalize (GObject *object); static GObjectClass *parent_class = NULL; static guint ephy_history_signals[LAST_SIGNAL] = { 0 }; GType ephy_history_get_type (void) { static GType ephy_history_type = 0; if (ephy_history_type == 0) { static const GTypeInfo our_info = { sizeof (EphyHistoryClass), NULL, /* base_init */ NULL, /* base_finalize */ (GClassInitFunc) ephy_history_class_init, NULL, NULL, /* class_data */ sizeof (EphyHistory), 0, /* n_preallocs */ (GInstanceInitFunc) ephy_history_init }; ephy_history_type = g_type_register_static (G_TYPE_OBJECT, "EphyHistory", &our_info, 0); } return ephy_history_type; } static void ephy_history_class_init (EphyHistoryClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); parent_class = g_type_class_peek_parent (klass); object_class->finalize = ephy_history_finalize; ephy_history_signals[VISITED] = g_signal_new ("visited", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (EphyHistoryClass, visited), NULL, NULL, g_cclosure_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); g_type_class_add_private (object_class, sizeof(EphyHistoryPrivate)); } static gboolean page_is_obsolete (EphyNode *node, GDate *now) { int last_visit; GDate date; last_visit = ephy_node_get_property_int (node, EPHY_NODE_PAGE_PROP_LAST_VISIT); g_date_clear (&date, 1); g_date_set_time (&date, last_visit); return (g_date_days_between (&date, now) >= HISTORY_PAGE_OBSOLETE_DAYS); } static void remove_obsolete_pages (EphyHistory *eb) { GPtrArray *children; int i; GTime now; GDate current_date; now = time (NULL); g_date_clear (¤t_date, 1); g_date_set_time (¤t_date, time (NULL)); children = ephy_node_get_children (eb->priv->pages); ephy_node_thaw (eb->priv->pages); for (i = 0; i < children->len; i++) { EphyNode *kid; kid = g_ptr_array_index (children, i); if (page_is_obsolete (kid, ¤t_date)) { ephy_node_unref (kid); } } } static void ephy_history_save (EphyHistory *eb) { xmlDocPtr doc; xmlNodePtr root; GPtrArray *children; int i; LOG ("Saving history") /* only save if there are changes */ if (eb->priv->dirty == FALSE) { return; } /* save nodes to xml */ xmlIndentTreeOutput = TRUE; doc = xmlNewDoc ("1.0"); root = xmlNewDocNode (doc, NULL, "ephy_history", NULL); xmlSetProp (root, "version", EPHY_HISTORY_XML_VERSION); xmlDocSetRootElement (doc, root); children = ephy_node_get_children (eb->priv->hosts); for (i = 0; i < children->len; i++) { EphyNode *kid; kid = g_ptr_array_index (children, i); if (kid == eb->priv->pages) continue; ephy_node_save_to_xml (kid, root); } ephy_node_thaw (eb->priv->hosts); children = ephy_node_get_children (eb->priv->pages); for (i = 0; i < children->len; i++) { EphyNode *kid; kid = g_ptr_array_index (children, i); ephy_node_save_to_xml (kid, root); } ephy_node_thaw (eb->priv->pages); if (ephy_file_save_xml (eb->priv->xml_file, doc)) { /* save was successful */ eb->priv->dirty = FALSE; } xmlFreeDoc(doc); } static void hosts_added_cb (EphyNode *node, EphyNode *child, EphyHistory *eb) { eb->priv->dirty = TRUE; g_static_rw_lock_writer_lock (eb->priv->hosts_hash_lock); g_hash_table_insert (eb->priv->hosts_hash, (char *) ephy_node_get_property_string (child, EPHY_NODE_PAGE_PROP_LOCATION), child); g_static_rw_lock_writer_unlock (eb->priv->hosts_hash_lock); } static void hosts_removed_cb (EphyNode *node, EphyNode *child, guint old_index, EphyHistory *eb) { eb->priv->dirty = TRUE; g_static_rw_lock_writer_lock (eb->priv->hosts_hash_lock); g_hash_table_remove (eb->priv->hosts_hash, ephy_node_get_property_string (child, EPHY_NODE_PAGE_PROP_LOCATION)); g_static_rw_lock_writer_unlock (eb->priv->hosts_hash_lock); } static void hosts_changed_cb (EphyNode *node, EphyNode *child, EphyHistory *eb) { eb->priv->dirty = TRUE; } static void pages_added_cb (EphyNode *node, EphyNode *child, EphyHistory *eb) { eb->priv->dirty = TRUE; g_static_rw_lock_writer_lock (eb->priv->pages_hash_lock); g_hash_table_insert (eb->priv->pages_hash, (char *) ephy_node_get_property_string (child, EPHY_NODE_PAGE_PROP_LOCATION), child); g_static_rw_lock_writer_unlock (eb->priv->pages_hash_lock); } static void pages_removed_cb (EphyNode *node, EphyNode *child, guint old_index, EphyHistory *eb) { eb->priv->dirty = TRUE; g_static_rw_lock_writer_lock (eb->priv->pages_hash_lock); g_hash_table_remove (eb->priv->pages_hash, ephy_node_get_property_string (child, EPHY_NODE_PAGE_PROP_LOCATION)); g_static_rw_lock_writer_unlock (eb->priv->pages_hash_lock); } static void pages_changed_cb (EphyNode *node, EphyNode *child, EphyHistory *eb) { eb->priv->dirty = TRUE; } static gboolean periodic_save_cb (EphyHistory *eh) { remove_obsolete_pages (eh); ephy_history_save (eh); return TRUE; } static void update_host_on_child_remove (EphyNode *node) { GPtrArray *children; int i, host_last_visit, new_host_last_visit = 0; host_last_visit = ephy_node_get_property_int (node, EPHY_NODE_PAGE_PROP_LAST_VISIT); children = ephy_node_get_children (node); for (i = 0; i < children->len; i++) { EphyNode *kid; int last_visit; kid = g_ptr_array_index (children, i); last_visit = ephy_node_get_property_int (kid, EPHY_NODE_PAGE_PROP_LAST_VISIT); if (last_visit > new_host_last_visit) { new_host_last_visit = last_visit; } } ephy_node_thaw (node); if (host_last_visit != new_host_last_visit) { GValue value = { 0, }; g_value_init (&value, G_TYPE_INT); g_value_set_int (&value, new_host_last_visit); ephy_node_set_property (node, EPHY_NODE_PAGE_PROP_LAST_VISIT, &value); g_value_unset (&value); } } static gboolean update_hosts (EphyHistory *eh) { GPtrArray *children; int i; GList *empty = NULL; children = ephy_node_get_children (eh->priv->hosts); for (i = 0; i < children->len; i++) { EphyNode *kid; kid = g_ptr_array_index (children, i); if (kid != eh->priv->pages) { if (ephy_node_get_n_children (kid) > 0) { update_host_on_child_remove (kid); } else { empty = g_list_prepend (empty, kid); } } } ephy_node_thaw (eh->priv->hosts); g_list_foreach (empty, (GFunc)ephy_node_unref, NULL); g_list_free (empty); eh->priv->update_hosts_idle = 0; return FALSE; } static void page_removed_from_host_cb (EphyNode *node, EphyNode *child, guint old_index, EphyHistory *eb) { if (!eb->priv->update_hosts_idle) { eb->priv->update_hosts_idle = g_idle_add ((GSourceFunc)update_hosts, eb); } } static void connect_page_removed_from_host (char *url, EphyNode *node, EphyHistory *eb) { if (node == eb->priv->pages) return; ephy_node_signal_connect_object (node, EPHY_NODE_CHILD_REMOVED, (EphyNodeCallback) page_removed_from_host_cb, G_OBJECT (eb)); } static void ephy_history_init (EphyHistory *eb) { GValue value = { 0, }; EphyNodeDb *db; eb->priv = EPHY_HISTORY_GET_PRIVATE (eb); eb->priv->update_hosts_idle = 0; db = ephy_node_db_new (EPHY_NODE_DB_HISTORY); eb->priv->db = db; eb->priv->xml_file = g_build_filename (ephy_dot_dir (), "ephy-history.xml", NULL); eb->priv->pages_hash = g_hash_table_new (g_str_hash, g_str_equal); eb->priv->pages_hash_lock = g_new0 (GStaticRWLock, 1); g_static_rw_lock_init (eb->priv->pages_hash_lock); eb->priv->hosts_hash = g_hash_table_new (g_str_hash, g_str_equal); eb->priv->hosts_hash_lock = g_new0 (GStaticRWLock, 1); g_static_rw_lock_init (eb->priv->hosts_hash_lock); /* Pages */ eb->priv->pages = ephy_node_new_with_id (db, PAGES_NODE_ID); ephy_node_ref (eb->priv->pages); g_value_init (&value, G_TYPE_STRING); g_value_set_string (&value, _("All")); ephy_node_set_property (eb->priv->pages, EPHY_NODE_PAGE_PROP_LOCATION, &value); ephy_node_set_property (eb->priv->pages, EPHY_NODE_PAGE_PROP_TITLE, &value); g_value_unset (&value); g_value_init (&value, G_TYPE_INT); g_value_set_int (&value, EPHY_NODE_ALL_PRIORITY); ephy_node_set_property (eb->priv->pages, EPHY_NODE_PAGE_PROP_PRIORITY, &value); g_value_unset (&value); ephy_node_signal_connect_object (eb->priv->pages, EPHY_NODE_CHILD_ADDED, (EphyNodeCallback) pages_added_cb, G_OBJECT (eb)); ephy_node_signal_connect_object (eb->priv->pages, EPHY_NODE_CHILD_REMOVED, (EphyNodeCallback) pages_removed_cb, G_OBJECT (eb)); ephy_node_signal_connect_object (eb->priv->pages, EPHY_NODE_CHILD_CHANGED, (EphyNodeCallback) pages_changed_cb, G_OBJECT (eb)); /* Hosts */ eb->priv->hosts = ephy_node_new_with_id (db, HOSTS_NODE_ID); ephy_node_ref (eb->priv->hosts); ephy_node_signal_connect_object (eb->priv->hosts, EPHY_NODE_CHILD_ADDED, (EphyNodeCallback) hosts_added_cb, G_OBJECT (eb)); ephy_node_signal_connect_object (eb->priv->hosts, EPHY_NODE_CHILD_REMOVED, (EphyNodeCallback) hosts_removed_cb, G_OBJECT (eb)); ephy_node_signal_connect_object (eb->priv->hosts, EPHY_NODE_CHILD_CHANGED, (EphyNodeCallback) hosts_changed_cb, G_OBJECT (eb)); ephy_node_add_child (eb->priv->hosts, eb->priv->pages); ephy_node_db_load_from_file (eb->priv->db, eb->priv->xml_file, EPHY_HISTORY_XML_ROOT, EPHY_HISTORY_XML_VERSION); g_hash_table_foreach (eb->priv->hosts_hash, (GHFunc) connect_page_removed_from_host, eb); /* mark as clean */ eb->priv->dirty = FALSE; /* setup the periodic history saving callback */ eb->priv->autosave_timeout = g_timeout_add (HISTORY_SAVE_INTERVAL, (GSourceFunc)periodic_save_cb, eb); } static void ephy_history_finalize (GObject *object) { EphyHistory *eb = EPHY_HISTORY (object); if (eb->priv->update_hosts_idle) { g_source_remove (eb->priv->update_hosts_idle); } ephy_history_save (eb); ephy_node_unref (eb->priv->pages); ephy_node_unref (eb->priv->hosts); g_object_unref (eb->priv->db); g_hash_table_destroy (eb->priv->pages_hash); g_static_rw_lock_free (eb->priv->pages_hash_lock); g_hash_table_destroy (eb->priv->hosts_hash); g_static_rw_lock_free (eb->priv->hosts_hash_lock); g_source_remove (eb->priv->autosave_timeout); LOG ("Global history finalized"); G_OBJECT_CLASS (parent_class)->finalize (object); } EphyHistory * ephy_history_new () { EphyHistory *eh; eh = EPHY_HISTORY (g_object_new (EPHY_TYPE_HISTORY, NULL)); return eh; } static void ephy_history_host_visited (EphyHistory *eh, EphyNode *host, GTime now) { GValue value = { 0, }; int visits; LOG ("Host visited") visits = ephy_node_get_property_int (host, EPHY_NODE_PAGE_PROP_VISITS); if (visits < 0) visits = 0; visits++; g_value_init (&value, G_TYPE_INT); g_value_set_int (&value, visits); ephy_node_set_property (host, EPHY_NODE_PAGE_PROP_VISITS, &value); g_value_unset (&value); g_value_init (&value, G_TYPE_INT); g_value_set_int (&value, now); ephy_node_set_property (host, EPHY_NODE_PAGE_PROP_LAST_VISIT, &value); g_value_unset (&value); } static EphyNode * ephy_history_add_host (EphyHistory *eh, EphyNode *page) { const char *url; url = ephy_node_get_property_string (page, EPHY_NODE_PAGE_PROP_LOCATION); return ephy_history_get_host (eh, url); } EphyNode * ephy_history_get_host (EphyHistory *eh, const char *url) { GnomeVFSURI *vfs_uri = NULL; EphyNode *host = NULL; const char *host_name = NULL; GList *host_locations = NULL, *l; GValue value = { 0, }; const char *scheme = NULL; GTime now; g_return_val_if_fail (url != NULL, NULL); now = time (NULL); vfs_uri = gnome_vfs_uri_new (url); if (vfs_uri) { scheme = gnome_vfs_uri_get_scheme (vfs_uri); host_name = gnome_vfs_uri_get_host_name (vfs_uri); } /* Build an host name */ if (scheme == NULL || host_name == NULL) { host_name = _("Others"); host_locations = g_list_append (host_locations, g_strdup ("about:blank")); } else if (strcmp (scheme, "file") == 0) { host_name = _("Local files"); host_locations = g_list_append (host_locations, g_strdup ("file:///")); } else { char *location; char *tmp; location = g_strconcat (scheme, "://", host_name, "/", NULL); host_locations = g_list_append (host_locations, location); if (g_str_has_prefix (host_name, "www.")) { tmp = g_strdup (g_utf8_offset_to_pointer (host_name, 4)); } else { tmp = g_strconcat ("www.", host_name, NULL); } location = g_strconcat (gnome_vfs_uri_get_scheme (vfs_uri), "://", tmp, "/", NULL); g_free (tmp); host_locations = g_list_append (host_locations, location); } g_return_val_if_fail (host_locations != NULL, NULL); g_static_rw_lock_reader_lock (eh->priv->hosts_hash_lock); for (l = host_locations; l != NULL; l = l->next) { host = g_hash_table_lookup (eh->priv->hosts_hash, (char *)l->data); if (host) break; } g_static_rw_lock_reader_unlock (eh->priv->hosts_hash_lock); if (!host) { host = ephy_node_new (eh->priv->db); ephy_node_signal_connect_object (host, EPHY_NODE_CHILD_REMOVED, (EphyNodeCallback) page_removed_from_host_cb, G_OBJECT (eh)); g_value_init (&value, G_TYPE_STRING); g_value_set_string (&value, host_name); ephy_node_set_property (host, EPHY_NODE_PAGE_PROP_TITLE, &value); g_value_unset (&value); g_value_init (&value, G_TYPE_STRING); g_value_set_string (&value, (char *)host_locations->data); ephy_node_set_property (host, EPHY_NODE_PAGE_PROP_LOCATION, &value); g_value_unset (&value); g_value_init (&value, G_TYPE_INT); g_value_set_int (&value, now); ephy_node_set_property (host, EPHY_NODE_PAGE_PROP_FIRST_VISIT, &value); g_value_unset (&value); ephy_node_add_child (eh->priv->hosts, host); } ephy_history_host_visited (eh, host, now); if (vfs_uri) { gnome_vfs_uri_unref (vfs_uri); } g_list_foreach (host_locations, (GFunc)g_free, NULL); g_list_free (host_locations); return host; } static void ephy_history_visited (EphyHistory *eh, EphyNode *node) { GValue value = { 0, }; GTime now; int visits; const char *url; int host_id; now = time (NULL); g_assert (node != NULL); url = ephy_node_get_property_string (node, EPHY_NODE_PAGE_PROP_LOCATION); visits = ephy_node_get_property_int (node, EPHY_NODE_PAGE_PROP_VISITS); if (visits < 0) visits = 0; visits++; g_value_init (&value, G_TYPE_INT); g_value_set_int (&value, visits); ephy_node_set_property (node, EPHY_NODE_PAGE_PROP_VISITS, &value); g_value_unset (&value); g_value_init (&value, G_TYPE_INT); g_value_set_int (&value, now); ephy_node_set_property (node, EPHY_NODE_PAGE_PROP_LAST_VISIT, &value); if (visits == 1) { ephy_node_set_property (node, EPHY_NODE_PAGE_PROP_FIRST_VISIT, &value); } g_value_unset (&value); host_id = ephy_node_get_property_int (node, EPHY_NODE_PAGE_PROP_HOST_ID); if (host_id >= 0) { EphyNode *host; host = ephy_node_db_get_node_from_id (eh->priv->db, host_id); ephy_history_host_visited (eh, host, now); } eh->priv->last_page = node; g_signal_emit (G_OBJECT (eh), ephy_history_signals[VISITED], 0, url); } int ephy_history_get_page_visits (EphyHistory *gh, const char *url) { EphyNode *node; int visits = 0; node = ephy_history_get_page (gh, url); if (node) { visits = ephy_node_get_property_int (node, EPHY_NODE_PAGE_PROP_VISITS); if (visits < 0) visits = 0; } return visits; } void ephy_history_add_page (EphyHistory *eb, const char *url) { EphyNode *bm, *node, *host; GValue value = { 0, }; node = ephy_history_get_page (eb, url); if (node) { ephy_history_visited (eb, node); return; } bm = ephy_node_new (eb->priv->db); g_value_init (&value, G_TYPE_STRING); g_value_set_string (&value, url); ephy_node_set_property (bm, EPHY_NODE_PAGE_PROP_LOCATION, &value); ephy_node_set_property (bm, EPHY_NODE_PAGE_PROP_TITLE, &value); g_value_unset (&value); host = ephy_history_add_host (eb, bm); g_value_init (&value, G_TYPE_INT); g_value_set_int (&value, ephy_node_get_id (host)); ephy_node_set_property (bm, EPHY_NODE_PAGE_PROP_HOST_ID, &value); g_value_unset (&value); ephy_history_visited (eb, bm); ephy_node_add_child (host, bm); ephy_node_add_child (eb->priv->pages, bm); } EphyNode * ephy_history_get_page (EphyHistory *eb, const char *url) { EphyNode *node; g_static_rw_lock_reader_lock (eb->priv->pages_hash_lock); node = g_hash_table_lookup (eb->priv->pages_hash, url); g_static_rw_lock_reader_unlock (eb->priv->pages_hash_lock); return node; } gboolean ephy_history_is_page_visited (EphyHistory *gh, const char *url) { return (ephy_history_get_page (gh, url) != NULL); } void ephy_history_set_page_title (EphyHistory *gh, const char *url, const char *title) { EphyNode *node; GValue value = { 0, }; LOG ("Set page title") if (title == NULL || title[0] == '\0') return; node = ephy_history_get_page (gh, url); if (!node) return; g_value_init (&value, G_TYPE_STRING); g_value_set_string (&value, title); ephy_node_set_property (node, EPHY_NODE_PAGE_PROP_TITLE, &value); g_value_unset (&value); } const char* ephy_history_get_icon (EphyHistory *gh, const char *url) { EphyNode *node, *host; int host_id; node = ephy_history_get_page (gh, url); if (node == NULL) return NULL; host_id = ephy_node_get_property_int (node, EPHY_NODE_PAGE_PROP_HOST_ID); g_return_val_if_fail (host_id >= 0, NULL); host = ephy_node_db_get_node_from_id (gh->priv->db, host_id); g_return_val_if_fail (host != NULL, NULL); return ephy_node_get_property_string (host, EPHY_NODE_PAGE_PROP_ICON); } void ephy_history_set_icon (EphyHistory *gh, const char *url, const char *icon) { EphyNode *host; LOG ("Set host icon") host = g_hash_table_lookup (gh->priv->hosts_hash, url); if (host) { GValue value = { 0, }; g_value_init (&value, G_TYPE_STRING); g_value_set_string (&value, icon); ephy_node_set_property (host, EPHY_NODE_PAGE_PROP_ICON, &value); g_value_unset (&value); } } void ephy_history_clear (EphyHistory *gh) { EphyNode *node; while ((node = ephy_node_get_nth_child (gh->priv->pages, 0)) != NULL) { ephy_node_unref (node); } ephy_history_save (gh); } EphyNode * ephy_history_get_hosts (EphyHistory *eb) { return eb->priv->hosts; } EphyNode * ephy_history_get_pages (EphyHistory *eb) { return eb->priv->pages; } const char * ephy_history_get_last_page (EphyHistory *gh) { if (gh->priv->last_page == NULL) return NULL; return ephy_node_get_property_string (gh->priv->last_page, EPHY_NODE_PAGE_PROP_LOCATION); }