From 557d2c4d2134223fc27a486561462fe35bb19f5d Mon Sep 17 00:00:00 2001 From: Carlos Garcia Campos Date: Sun, 11 Oct 2009 14:02:18 +0000 Subject: Remove ev-metadata-manager --- diff --git a/shell/Makefile.am b/shell/Makefile.am index 7a4489e..3b4f6f7 100644 --- a/shell/Makefile.am +++ b/shell/Makefile.am @@ -52,8 +52,6 @@ evince_SOURCES= \ ev-message-area.h \ ev-metadata.c \ ev-metadata.h \ - ev-metadata-manager.c \ - ev-metadata-manager.h \ ev-navigation-action.c \ ev-navigation-action.h \ ev-navigation-action-widget.c \ diff --git a/shell/ev-metadata-manager.c b/shell/ev-metadata-manager.c deleted file mode 100644 index a07d2d6..0000000 --- a/shell/ev-metadata-manager.c +++ /dev/null @@ -1,733 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * ev-metadata-manager.c - * This file is part of ev - * - * Copyright (C) 2003 Paolo Maggi - * - * 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. - */ - -/* - * Modified by the ev Team, 2003. See the AUTHORS file for a - * list of people on the ev Team. - * See the ChangeLog files for a list of changes. - */ - -#ifdef HAVE_CONFIG_H -#include -#endif - -#include -#include - -#include - -#include "ev-metadata-manager.h" -#include "ev-application.h" -#include "ev-file-helpers.h" - -#define METADATA_FILE "ev-metadata.xml" - -#define MAX_ITEMS 50 - -typedef struct _EvMetadataManager EvMetadataManager; - -typedef struct _Item Item; - -struct _Item -{ - time_t atime; /* time of last access */ - - GHashTable *values; -}; - -struct _EvMetadataManager -{ - gboolean values_loaded; /* It is true if the file - has been read */ - - guint timeout_id; - - GHashTable *items; -}; - -static gboolean ev_metadata_manager_save (gpointer data); - - -static EvMetadataManager *ev_metadata_manager = NULL; - -/** - * item_free: - * @data: a pointer to a #Item data - * - * It does free the values on the #GHashTable where data points. - */ -static void -item_free (gpointer data) -{ - Item *item = (Item *) data; - - if (item->values != NULL) - g_hash_table_destroy (item->values); - - g_slice_free (Item, item); -} - -/** - * ev_metadata_arm_timeout - * - * Setup a timeout for saving the metadata to disk. - */ -static void -ev_metadata_arm_timeout(void) -{ - if (ev_metadata_manager->timeout_id) - return; - - ev_metadata_manager->timeout_id = - g_timeout_add_seconds_full (G_PRIORITY_DEFAULT_IDLE, - 2, - (GSourceFunc)ev_metadata_manager_save, - NULL, - NULL); -} - -/** - * ev_metadata_manager_init: - * - * Creates an EvMetadataManager with default values. - * - * values_loaded -> %FALSE. - * timeout_id -> the id of the event source. - * items -> a new full empty #GHashTable. - */ -void -ev_metadata_manager_init (void) -{ - ev_metadata_manager = g_slice_new0 (EvMetadataManager); - - ev_metadata_manager->values_loaded = FALSE; - - ev_metadata_manager->items = - g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - item_free); -} - -/* This function must be called before exiting ev */ -void -ev_metadata_manager_shutdown (void) -{ - if (ev_metadata_manager == NULL) - return; - - if (ev_metadata_manager->timeout_id) { - g_source_remove (ev_metadata_manager->timeout_id); - ev_metadata_manager->timeout_id = 0; - ev_metadata_manager_save (NULL); - } - - if (ev_metadata_manager->items != NULL) - g_hash_table_destroy (ev_metadata_manager->items); - - g_slice_free (EvMetadataManager, ev_metadata_manager); - ev_metadata_manager = NULL; -} - -static void -value_free (gpointer data) -{ - GValue *value = (GValue *)data; - - g_value_unset (value); - g_slice_free (GValue, value); -} - -static GValue * -parse_value (xmlChar *value, xmlChar *type) -{ - GType ret_type; - GValue *ret; - - ret_type = g_type_from_name ((char *)type); - ret = g_slice_new0 (GValue); - g_value_init (ret, ret_type); - - switch (ret_type) { - case G_TYPE_STRING: - g_value_set_string (ret, (char *)value); - break; - case G_TYPE_INT: - g_value_set_int (ret, g_ascii_strtoull ((char *)value, NULL, 0)); - break; - case G_TYPE_DOUBLE: - g_value_set_double (ret, g_ascii_strtod ((char *)value, NULL)); - break; - case G_TYPE_BOOLEAN: - g_value_set_boolean (ret, g_ascii_strtoull ((char *)value, NULL, 0)); - break; - } - - return ret; -} - -static void -parseItem (xmlDocPtr doc, xmlNodePtr cur) -{ - Item *item; - - xmlChar *uri; - xmlChar *atime; - - if (xmlStrcmp (cur->name, (const xmlChar *)"document") != 0) - return; - - uri = xmlGetProp (cur, (const xmlChar *)"uri"); - if (uri == NULL) - return; - - atime = xmlGetProp (cur, (const xmlChar *)"atime"); - if (atime == NULL) - { - xmlFree (uri); - return; - } - - item = g_slice_new0 (Item); - - item->atime = g_ascii_strtoull((char*)atime, NULL, 0); - - item->values = g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - value_free); - - cur = cur->xmlChildrenNode; - - while (cur != NULL) - { - if (xmlStrcmp (cur->name, (const xmlChar *)"entry") == 0) - { - xmlChar *key; - xmlChar *xml_value; - xmlChar *type; - GValue *value; - - key = xmlGetProp (cur, (const xmlChar *)"key"); - xml_value = xmlGetProp (cur, (const xmlChar *)"value"); - type = xmlGetProp (cur, (const xmlChar *)"type"); - value = parse_value (xml_value, type); - - if ((key != NULL) && (value != NULL)) - g_hash_table_insert (item->values, - xmlStrdup (key), - value); - - if (key != NULL) - xmlFree (key); - if (type != NULL) - xmlFree (type); - if (xml_value != NULL) - xmlFree (xml_value); - } - - cur = cur->next; - } - - g_hash_table_insert (ev_metadata_manager->items, - xmlStrdup (uri), - item); - - xmlFree (uri); - xmlFree (atime); -} - -static gboolean -load_values () -{ - xmlDocPtr doc; - xmlNodePtr cur; - gchar *file_name; - - g_return_val_if_fail (ev_metadata_manager != NULL, FALSE); - g_return_val_if_fail (ev_metadata_manager->values_loaded == FALSE, FALSE); - - ev_metadata_manager->values_loaded = TRUE; - - xmlKeepBlanksDefault (0); - - /* FIXME: file locking - Paolo */ - file_name = g_build_filename (ev_application_get_dot_dir (EV_APP), METADATA_FILE, NULL); - if (!g_file_test (file_name, G_FILE_TEST_EXISTS)) - { - g_free (file_name); - return FALSE; - } - - doc = xmlParseFile (file_name); - g_free (file_name); - - if (doc == NULL) - { - return FALSE; - } - - cur = xmlDocGetRootElement (doc); - if (cur == NULL) - { - g_message ("The metadata file “%s” is empty", METADATA_FILE); - xmlFreeDoc (doc); - - return FALSE; - } - - if (xmlStrcmp (cur->name, (const xmlChar *) "metadata")) - { - g_message ("File “%s” is of the wrong type", METADATA_FILE); - xmlFreeDoc (doc); - - return FALSE; - } - - cur = xmlDocGetRootElement (doc); - cur = cur->xmlChildrenNode; - - while (cur != NULL) - { - parseItem (doc, cur); - - cur = cur->next; - } - - xmlFreeDoc (doc); - - return TRUE; -} - -#define LAST_URI "last-used-value" - -static gboolean -ev_metadata_manager_get_last (const gchar *key, - GValue *value, - gboolean ignore) -{ - Item *item; - GValue *ret; - - g_assert (ev_metadata_manager->values_loaded); - - if (ignore) - return FALSE; - - item = (Item *)g_hash_table_lookup (ev_metadata_manager->items, - LAST_URI); - - if (item == NULL) - return FALSE; - - item->atime = time (NULL); - - if (item->values == NULL) - return FALSE; - - ret = (GValue *)g_hash_table_lookup (item->values, key); - - if (ret != NULL) { - g_value_init (value, G_VALUE_TYPE (ret)); - g_value_copy (ret, value); - return TRUE; - } - - return FALSE; -} - -static void -ev_metadata_manager_set_last (const gchar *key, - const GValue *value) -{ - Item *item; - - g_assert (ev_metadata_manager->values_loaded); - - item = (Item *)g_hash_table_lookup (ev_metadata_manager->items, - LAST_URI); - - if (item == NULL) - { - item = g_slice_new0 (Item); - - g_hash_table_insert (ev_metadata_manager->items, - g_strdup (LAST_URI), - item); - } - - if (item->values == NULL) - item->values = g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - value_free); - if (value != NULL) { - GValue *new; - - new = g_slice_new0 (GValue); - g_value_init (new, G_VALUE_TYPE (value)); - g_value_copy (value, new); - - g_hash_table_insert (item->values, - g_strdup (key), - new); - } else { - g_hash_table_remove (item->values, - key); - } - - item->atime = time (NULL); - ev_metadata_arm_timeout (); - return; -} - -/** - * ev_metadata_manager_get: - * @uri: Uri to set data for, if @NULL, we return default value - * @key: Key to set uri - * @value: GValue struct filled up with value - * @ignore_last: if @TRUE, default value is ignored - * - * Retrieve value for uri in metadata database - * - * Returns: @TRUE if value was taken. - **/ -gboolean -ev_metadata_manager_get (const gchar *uri, - const gchar *key, - GValue *value, - gboolean ignore_last) -{ - Item *item; - GValue *ret; - - g_return_val_if_fail (key != NULL, FALSE); - - if (ev_metadata_manager == NULL) - return FALSE; - - if (!ev_metadata_manager->values_loaded) - { - gboolean res; - - res = load_values (); - - if (!res) - return ev_metadata_manager_get_last (key, value, ignore_last); - } - - if (uri == NULL) - return ev_metadata_manager_get_last (key, value, ignore_last); - - item = (Item *)g_hash_table_lookup (ev_metadata_manager->items, - uri); - - if (item == NULL) - return ev_metadata_manager_get_last (key, value, ignore_last); - - item->atime = time (NULL); - - if (item->values == NULL) - return ev_metadata_manager_get_last (key, value, ignore_last); - - ret = (GValue *)g_hash_table_lookup (item->values, key); - - if (ret != NULL) { - g_value_init (value, G_VALUE_TYPE (ret)); - g_value_copy (ret, value); - return TRUE; - } - - return ev_metadata_manager_get_last (key, value, ignore_last); -} - -/** - * ev_metadata_manager_set: - * @uri: Uri to set data for, if @NULL, we set default value - * @key: Key to set uri - * @value: GValue struct containing value - * - * Set value for key in metadata database - **/ -void -ev_metadata_manager_set (const gchar *uri, - const gchar *key, - const GValue *value) -{ - Item *item; - - g_return_if_fail (key != NULL); - - if (ev_metadata_manager == NULL) - return; - - if (!ev_metadata_manager->values_loaded) - { - gboolean res; - - res = load_values (); - - if (!res) - return; - } - - if (uri == NULL) - { - ev_metadata_manager_set_last (key, value); - return; - } - - item = (Item *)g_hash_table_lookup (ev_metadata_manager->items, - uri); - - if (item == NULL) - { - item = g_slice_new0 (Item); - - g_hash_table_insert (ev_metadata_manager->items, - g_strdup (uri), - item); - } - - if (item->values == NULL) - item->values = g_hash_table_new_full (g_str_hash, - g_str_equal, - g_free, - value_free); - if (value != NULL) { - GValue *new; - - new = g_slice_new0 (GValue); - g_value_init (new, G_VALUE_TYPE (value)); - g_value_copy (value, new); - - g_hash_table_insert (item->values, - g_strdup (key), - new); - ev_metadata_manager_set_last (key, value); - } else { - g_hash_table_remove (item->values, - key); - } - - item->atime = time (NULL); - - ev_metadata_arm_timeout (); -} - -static void -save_values (const gchar *key, GValue *value, xmlNodePtr parent) -{ - char *string_value; - xmlNodePtr xml_node; - - g_return_if_fail (key != NULL); - - if (value == NULL) - return; - - xml_node = xmlNewChild (parent, NULL, (const xmlChar *)"entry", NULL); - - xmlSetProp (xml_node, (const xmlChar *)"key", (const xmlChar *)key); - xmlSetProp (xml_node, - (const xmlChar *)"type", - (const xmlChar *)g_type_name (G_VALUE_TYPE (value))); - - switch (G_VALUE_TYPE (value)) { - case G_TYPE_STRING: - string_value = g_value_dup_string (value); - break; - case G_TYPE_INT: - string_value = g_strdup_printf ("%d", g_value_get_int (value)); - break; - case G_TYPE_DOUBLE: - { - gchar buf[G_ASCII_DTOSTR_BUF_SIZE]; - g_ascii_dtostr (buf, G_ASCII_DTOSTR_BUF_SIZE, g_value_get_double (value)); - string_value = g_strdup (buf); - } - break; - case G_TYPE_BOOLEAN: - string_value = g_strdup_printf ("%d", g_value_get_boolean (value)); - break; - default: - string_value = NULL; - g_assert_not_reached (); - } - - xmlSetProp (xml_node, (const xmlChar *)"value", (const xmlChar *)string_value); - - g_free (string_value); -} - -static void -save_item (const gchar *key, const gpointer *data, xmlNodePtr parent) -{ - xmlNodePtr xml_node; - const Item *item = (const Item *)data; - gchar *atime; - - g_return_if_fail (key != NULL); - - if (item == NULL) - return; - - xml_node = xmlNewChild (parent, NULL, (const xmlChar *)"document", NULL); - - xmlSetProp (xml_node, (const xmlChar *)"uri", (const xmlChar *)key); - - atime = g_strdup_printf ("%ld", item->atime); - xmlSetProp (xml_node, (const xmlChar *)"atime", (const xmlChar *)atime); - g_free (atime); - - g_hash_table_foreach (item->values, - (GHFunc)save_values, xml_node); -} - -static void -get_oldest (const gchar *key, const gpointer value, const gchar ** key_to_remove) -{ - const Item *item = (const Item *)value; - - if (*key_to_remove == NULL) - { - *key_to_remove = key; - } - else - { - const Item *item_to_remove = - g_hash_table_lookup (ev_metadata_manager->items, - *key_to_remove); - - g_return_if_fail (item_to_remove != NULL); - - if (item->atime < item_to_remove->atime) - { - *key_to_remove = key; - } - } -} - -static void -resize_items () -{ - while (g_hash_table_size (ev_metadata_manager->items) > MAX_ITEMS) - { - gpointer key_to_remove = NULL; - - g_hash_table_foreach (ev_metadata_manager->items, - (GHFunc)get_oldest, - &key_to_remove); - - g_return_if_fail (key_to_remove != NULL); - - g_hash_table_remove (ev_metadata_manager->items, - key_to_remove); - } -} - -static gboolean -ev_metadata_manager_save (gpointer data) -{ - xmlDocPtr doc; - xmlNodePtr root; - gchar *file_name; - - ev_metadata_manager->timeout_id = 0; - - resize_items (); - - xmlIndentTreeOutput = TRUE; - - doc = xmlNewDoc ((const xmlChar *)"1.0"); - if (doc == NULL) - return TRUE; - - /* Create metadata root */ - root = xmlNewDocNode (doc, NULL, (const xmlChar *)"metadata", NULL); - xmlDocSetRootElement (doc, root); - - g_hash_table_foreach (ev_metadata_manager->items, - (GHFunc)save_item, root); - - /* FIXME: lock file - Paolo */ - file_name = g_build_filename (ev_application_get_dot_dir (EV_APP), METADATA_FILE, NULL); - xmlSaveFormatFile (file_name, doc, 1); - g_free (file_name); - - xmlFreeDoc (doc); - - return FALSE; -} - -void -ev_metadata_manager_set_int (const gchar *uri, const gchar *key, int value) -{ - GValue val = { 0, }; - - g_value_init (&val, G_TYPE_INT); - g_value_set_int (&val, value); - - ev_metadata_manager_set (uri, key, &val); - - g_value_unset (&val); -} - -void -ev_metadata_manager_set_double (const gchar *uri, const gchar *key, double value) -{ - GValue val = { 0, }; - - g_value_init (&val, G_TYPE_DOUBLE); - g_value_set_double (&val, value); - - ev_metadata_manager_set (uri, key, &val); - - g_value_unset (&val); -} - -void -ev_metadata_manager_set_string (const gchar *uri, const gchar *key, const gchar *value) -{ - GValue val = { 0, }; - - g_value_init (&val, G_TYPE_STRING); - g_value_set_static_string (&val, value); - - ev_metadata_manager_set (uri, key, &val); - - g_value_unset (&val); -} - -void -ev_metadata_manager_set_boolean (const gchar *uri, const gchar *key, gboolean value) -{ - GValue val = { 0, }; - - g_value_init (&val, G_TYPE_BOOLEAN); - g_value_set_boolean (&val, value); - - ev_metadata_manager_set (uri, key, &val); - - g_value_unset (&val); -} diff --git a/shell/ev-metadata-manager.h b/shell/ev-metadata-manager.h deleted file mode 100644 index 0651c47..0000000 --- a/shell/ev-metadata-manager.h +++ /dev/null @@ -1,55 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* - * ev-metadata-manager.h - * - * Copyright (C) 2003 Paolo Maggi - * - * 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. - */ - -#ifndef __EV_METADATA_MANAGER_H__ -#define __EV_METADATA_MANAGER_H__ - -#include -#include - -G_BEGIN_DECLS - -void ev_metadata_manager_init (void); -gboolean ev_metadata_manager_get (const gchar *uri, - const gchar *key, - GValue *value, - gboolean ignore_last); -void ev_metadata_manager_set (const gchar *uri, - const gchar *key, - const GValue *value); -void ev_metadata_manager_set_int (const gchar *uri, - const gchar *key, - int value); -void ev_metadata_manager_set_double (const gchar *uri, - const gchar *key, - double value); -void ev_metadata_manager_set_string (const gchar *uri, - const gchar *key, - const gchar *value); -void ev_metadata_manager_set_boolean (const gchar *uri, - const gchar *key, - gboolean value); -void ev_metadata_manager_shutdown (void); - -G_END_DECLS - -#endif /* __EV_METADATA_MANAGER_H__ */ -- cgit v0.9.1