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author | Marco Pesenti Gritti <marco@it.gnome.org> | 2003-05-20 01:25:12 +0800 |
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committer | Marco Pesenti Gritti <mpeseng@src.gnome.org> | 2003-05-20 01:25:12 +0800 |
commit | cc8f3060b3c57453f2128a573391add2a0bb47d4 (patch) | |
tree | a2f1965dfbadb7e8d0de464575abdf02ba6c3641 /lib/ephy-node-db.c | |
parent | f9f7a48a13d9e876cb641af773a2eb88a4a0aaf6 (diff) | |
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2003-05-19 Marco Pesenti Gritti <marco@it.gnome.org>
* lib/Makefile.am:
* lib/ephy-dnd.c: (ephy_dnd_node_list_extract_nodes):
* lib/ephy-node.c: (write_lock_to_read_lock),
(read_lock_to_write_lock), (lock_gdk), (unlock_gdk), (callback),
(ephy_node_emit_signal), (ephy_node_finalize), (real_remove_child),
(remove_child), (signal_object_weak_notify),
(unref_signal_objects), (ephy_node_dispose), (ephy_node_new),
(ephy_node_new_with_id), (ephy_node_get_id), (ephy_node_ref),
(ephy_node_unref), (ephy_node_freeze), (ephy_node_thaw),
(child_changed), (real_set_property), (ephy_node_set_property),
(ephy_node_get_property), (ephy_node_get_property_string),
(ephy_node_get_property_boolean), (ephy_node_get_property_long),
(ephy_node_get_property_int), (ephy_node_get_property_double),
(ephy_node_get_property_float), (ephy_node_get_property_node),
(save_parent), (ephy_node_save_to_xml), (real_add_child),
(ephy_node_new_from_xml), (ephy_node_add_child),
(ephy_node_remove_child), (ephy_node_has_child),
(ephy_node_real_get_child_index), (ephy_node_sort_children),
(ephy_node_reorder_children), (ephy_node_get_children),
(ephy_node_get_n_children), (ephy_node_get_nth_child),
(get_child_index_real), (ephy_node_get_child_index),
(ephy_node_get_next_child), (ephy_node_get_previous_child),
(ephy_node_signal_connect_object), (ephy_node_signal_disconnect):
* lib/ephy-node.h:
* lib/ephy-state.c: (ephy_states_load), (ensure_states),
(ephy_state_add_window), (ephy_state_add_paned), (ephy_state_save):
* lib/widgets/ephy-node-view.c: (ephy_node_view_class_init),
(ephy_node_view_selection_changed_cb),
(ephy_node_view_set_property), (ephy_node_view_get_property),
(ephy_node_view_remove):
* lib/widgets/ephy-tree-model-node.c:
(ephy_tree_model_node_class_init),
(ephy_tree_model_node_set_property),
(ephy_tree_model_node_get_property),
(ephy_tree_model_node_get_value), (ephy_tree_model_node_get_path),
(ephy_tree_model_node_iter_next),
(ephy_tree_model_node_node_from_iter):
* src/bookmarks/ephy-bookmark-action.c:
(ephy_bookmark_action_init), (ephy_bookmark_action_new):
* src/bookmarks/ephy-bookmark-properties.c:
(ephy_bookmark_properties_class_init),
(ephy_bookmark_properties_set_property):
* src/bookmarks/ephy-bookmarks-editor.c:
(cmd_show_in_bookmarks_bar), (cmd_open_bookmarks_in_tabs),
(cmd_open_bookmarks_in_browser), (cmd_delete),
(cmd_bookmark_properties), (cmd_copy),
(ephy_bookmarks_editor_node_activated_cb),
(ephy_bookmarks_editor_update_menu),
Diffstat (limited to 'lib/ephy-node-db.c')
-rw-r--r-- | lib/ephy-node-db.c | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/lib/ephy-node-db.c b/lib/ephy-node-db.c new file mode 100644 index 000000000..f77bac0bd --- /dev/null +++ b/lib/ephy-node-db.c @@ -0,0 +1,292 @@ +/* + * Copyright (C) 2002 Jorn Baayen <jorn@nl.linux.org> + * + * 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 of the License, 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 "ephy-node-db.h" + +static void ephy_node_db_class_init (EphyNodeDbClass *klass); +static void ephy_node_db_init (EphyNodeDb *node); +static void ephy_node_db_finalize (GObject *object); + +/* FIXME I want to find a better way to deal with "root" nodes */ +#define RESERVED_IDS 30 + +enum +{ + PROP_0, + PROP_NAME +}; + +struct EphyNodeDbPrivate +{ + char *name; + + GMutex *id_factory_lock; + long id_factory; + + GStaticRWLock *id_to_node_lock; + GPtrArray *id_to_node; +}; + +static GHashTable *ephy_node_databases = NULL; + +static GObjectClass *parent_class = NULL; + +GType +ephy_node_db_get_type (void) +{ + static GType ephy_node_db_type = 0; + + if (ephy_node_db_type == 0) { + static const GTypeInfo our_info = { + sizeof (EphyNodeDbClass), + NULL, + NULL, + (GClassInitFunc) ephy_node_db_class_init, + NULL, + NULL, + sizeof (EphyNodeDb), + 0, + (GInstanceInitFunc) ephy_node_db_init + }; + + ephy_node_db_type = g_type_register_static (G_TYPE_OBJECT, + "EphyNodeDb", + &our_info, 0); + } + + return ephy_node_db_type; +} + +static void +ephy_node_db_set_name (EphyNodeDb *db, const char *name) +{ + db->priv->name = g_strdup (name); + + if (ephy_node_databases == NULL) + { + ephy_node_databases = g_hash_table_new_full + (g_str_hash, g_str_equal, NULL, NULL); + } + + g_hash_table_insert (ephy_node_databases, db->priv->name, db); +} + +static void +ephy_node_db_get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + EphyNodeDb *db; + + db = EPHY_NODE_DB (object); + + switch (prop_id) + { + case PROP_NAME: + g_value_set_string (value, db->priv->name); + break; + } +} + + +static void +ephy_node_db_set_property (GObject *object, + guint prop_id, + const GValue *value, + GParamSpec *pspec) +{ + EphyNodeDb *db; + + db = EPHY_NODE_DB (object); + + switch (prop_id) + { + case PROP_NAME: + ephy_node_db_set_name (db, g_value_get_string (value)); + break; + } +} + +static void +ephy_node_db_class_init (EphyNodeDbClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + + parent_class = g_type_class_peek_parent (klass); + + object_class->finalize = ephy_node_db_finalize; + object_class->set_property = ephy_node_db_set_property; + object_class->get_property = ephy_node_db_get_property; + + g_object_class_install_property (object_class, + PROP_NAME, + g_param_spec_string ("name", + "Name", + "Name", + NULL, + G_PARAM_READWRITE)); +} + +static void +ephy_node_db_init (EphyNodeDb *db) +{ + db->priv = g_new0 (EphyNodeDbPrivate, 1); + + db->priv->name = NULL; + + /* id to node */ + db->priv->id_to_node = g_ptr_array_new (); + + db->priv->id_to_node_lock = g_new0 (GStaticRWLock, 1); + g_static_rw_lock_init (db->priv->id_to_node_lock); + + /* id factory */ + db->priv->id_factory = RESERVED_IDS; + db->priv->id_factory_lock = g_mutex_new (); +} + +static void +ephy_node_db_finalize (GObject *object) +{ + EphyNodeDb *db; + + g_return_if_fail (object != NULL); + + db = EPHY_NODE_DB (object); + + g_return_if_fail (db->priv != NULL); + + g_hash_table_remove (ephy_node_databases, db->priv->name); + if (g_hash_table_size (ephy_node_databases) == 0) + { + g_hash_table_destroy (ephy_node_databases); + } + + g_ptr_array_free (db->priv->id_to_node, FALSE); + + g_static_rw_lock_free (db->priv->id_to_node_lock); + + g_mutex_free (db->priv->id_factory_lock); + + g_free (db->priv->name); + + g_free (db->priv); + + G_OBJECT_CLASS (parent_class)->finalize (object); +} + +EphyNodeDb * +ephy_node_db_get_by_name (const char *name) +{ + EphyNodeDb *ret; + + ret = g_hash_table_lookup (ephy_node_databases, name); + + return ret; +} + +EphyNodeDb * +ephy_node_db_new (const char *name) +{ + EphyNodeDb *db; + + db = EPHY_NODE_DB (g_object_new (EPHY_TYPE_NODE_DB, + "name", name, + NULL)); + + g_return_val_if_fail (db->priv != NULL, NULL); + + return db; +} + +static inline EphyNode * +node_from_id_real (EphyNodeDb *db, long id) +{ + EphyNode *ret = NULL; + + if (id < db->priv->id_to_node->len) + ret = g_ptr_array_index (db->priv->id_to_node, id);; + + return ret; +} + +EphyNode * +ephy_node_db_get_node_from_id (EphyNodeDb *db, long id) +{ + EphyNode *ret = NULL; + + g_static_rw_lock_reader_lock (db->priv->id_to_node_lock); + + ret = node_from_id_real (db, id); + + g_static_rw_lock_reader_unlock (db->priv->id_to_node_lock); + + return ret; +} + +long +_ephy_node_db_new_id (EphyNodeDb *db) +{ + long ret; + + g_mutex_lock (db->priv->id_factory_lock); + + while (node_from_id_real (db, db->priv->id_factory) != NULL) + { + db->priv->id_factory++; + } + + ret = db->priv->id_factory; + + g_mutex_unlock (db->priv->id_factory_lock); + + return ret; +} + +void +_ephy_node_db_add_id (EphyNodeDb *db, + long id, + EphyNode *node) +{ + g_static_rw_lock_writer_lock (db->priv->id_to_node_lock); + + /* resize array if needed */ + if (id >= db->priv->id_to_node->len) + g_ptr_array_set_size (db->priv->id_to_node, id + 1); + + g_ptr_array_index (db->priv->id_to_node, id) = node; + + g_static_rw_lock_writer_unlock (db->priv->id_to_node_lock); +} + +void +_ephy_node_db_remove_id (EphyNodeDb *db, + long id) +{ + g_static_rw_lock_writer_lock (db->priv->id_to_node_lock); + + g_ptr_array_index (db->priv->id_to_node, id) = NULL; + + /* reset id factory so we use the freed node id */ + db->priv->id_factory = RESERVED_IDS; + + g_static_rw_lock_writer_unlock (db->priv->id_to_node_lock); +} |