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Diffstat (limited to 'camel/camel-store.c')
| -rw-r--r-- | camel/camel-store.c | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/camel/camel-store.c b/camel/camel-store.c deleted file mode 100644 index d729bf10e7..0000000000 --- a/camel/camel-store.c +++ /dev/null @@ -1,335 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-store.c : Abstract class for an email store */ - -/* - * - * Authors: - * Bertrand Guiheneuf <bertrand@helixcode.com> - * Dan Winship <danw@helixcode.com> - * - * Copyright 1999, 2000 Helix Code, Inc. (http://www.helixcode.com) - * - * 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 - */ -#include <config.h> -#include "camel-store.h" -#include "camel-folder.h" -#include "camel-exception.h" - -static CamelServiceClass *parent_class = NULL; - -/* Returns the class for a CamelStore */ -#define CS_CLASS(so) CAMEL_STORE_CLASS (GTK_OBJECT(so)->klass) - -static CamelFolder *get_folder (CamelStore *store, const char *folder_name, - gboolean create, CamelException *ex); -static void delete_folder (CamelStore *store, const char *folder_name, - CamelException *ex); - -static char *get_folder_name (CamelStore *store, const char *folder_name, - CamelException *ex); -static char *get_root_folder_name (CamelStore *store, CamelException *ex); -static char *get_default_folder_name (CamelStore *store, CamelException *ex); - -static CamelFolder *lookup_folder (CamelStore *store, const char *folder_name); -static void cache_folder (CamelStore *store, const char *folder_name, - CamelFolder *folder); -static void uncache_folder (CamelStore *store, CamelFolder *folder); - -static void finalize (GtkObject *object); - -static void -camel_store_class_init (CamelStoreClass *camel_store_class) -{ - GtkObjectClass *gtk_object_class = - GTK_OBJECT_CLASS (camel_store_class); - - parent_class = gtk_type_class (camel_service_get_type ()); - - /* virtual method definition */ - camel_store_class->get_folder = get_folder; - camel_store_class->delete_folder = delete_folder; - camel_store_class->get_folder_name = get_folder_name; - camel_store_class->get_root_folder_name = get_root_folder_name; - camel_store_class->get_default_folder_name = get_default_folder_name; - camel_store_class->lookup_folder = lookup_folder; - camel_store_class->cache_folder = cache_folder; - camel_store_class->uncache_folder = uncache_folder; - - /* virtual method override */ - gtk_object_class->finalize = finalize; -} - -static void -camel_store_init (void *o, void *k) -{ - CamelStore *store = o; - - store->folders = g_hash_table_new (g_str_hash, g_str_equal); -} - -GtkType -camel_store_get_type (void) -{ - static GtkType camel_store_type = 0; - - if (!camel_store_type) { - GtkTypeInfo camel_store_info = - { - "CamelStore", - sizeof (CamelStore), - sizeof (CamelStoreClass), - (GtkClassInitFunc) camel_store_class_init, - (GtkObjectInitFunc) camel_store_init, - /* reserved_1 */ NULL, - /* reserved_2 */ NULL, - (GtkClassInitFunc) NULL, - }; - - camel_store_type = gtk_type_unique (CAMEL_SERVICE_TYPE, &camel_store_info); - } - - return camel_store_type; -} - - -static void -finalize (GtkObject *object) -{ - CamelStore *store = CAMEL_STORE (object); - - if (store->folders) { - if (g_hash_table_size (store->folders) != 0) { - g_warning ("Folder cache for store %p contains " - "%d folders at destruction.", store, - g_hash_table_size (store->folders)); - } - g_hash_table_destroy (store->folders); - } -} - - -static CamelFolder * -get_folder (CamelStore *store, const char *folder_name, - gboolean create, CamelException *ex) -{ - g_warning ("CamelStore::get_folder not implemented for `%s'", - gtk_type_name (GTK_OBJECT_TYPE (store))); - return NULL; -} - -static void -delete_folder (CamelStore *store, const char *folder_name, CamelException *ex) -{ - g_warning ("CamelStore::delete_folder not implemented for `%s'", - gtk_type_name (GTK_OBJECT_TYPE (store))); -} - - -/* CamelStore::get_folder_name should: - * a) make sure that the provided name is valid - * b) return it in canonical form, in allocated memory. - * - * This is used to make sure that duplicate names for the same folder - * don't result in duplicate cache entries. - */ -static char * -get_folder_name (CamelStore *store, const char *folder_name, - CamelException *ex) -{ - g_warning ("CamelStore::get_folder_name not implemented for `%s'", - gtk_type_name (GTK_OBJECT_TYPE (store))); - return NULL; -} - -static char * -get_root_folder_name (CamelStore *store, CamelException *ex) -{ - return g_strdup ("/"); -} - -static char * -get_default_folder_name (CamelStore *store, CamelException *ex) -{ - return CS_CLASS (store)->get_root_folder_name (store, ex); -} - -static CamelFolder * -lookup_folder (CamelStore *store, const char *folder_name) -{ - if (store->folders) { - CamelFolder *folder = g_hash_table_lookup (store->folders, folder_name); - if (folder) - gtk_object_ref(GTK_OBJECT(folder)); - return folder; - } - return NULL; -} - -static void -cache_folder (CamelStore *store, const char *folder_name, CamelFolder *folder) -{ - if (!store->folders) - return; - - if (g_hash_table_lookup (store->folders, folder_name)) { - g_warning ("Caching folder %s that already exists.", - folder_name); - } - g_hash_table_insert (store->folders, g_strdup (folder_name), folder); - gtk_signal_connect_object (GTK_OBJECT (folder), "destroy", - GTK_SIGNAL_FUNC (CS_CLASS (store)->uncache_folder), - GTK_OBJECT (store)); -} - -static gboolean -folder_matches (gpointer key, gpointer value, gpointer user_data) -{ - if (value == user_data) { - g_free (key); - return TRUE; - } else - return FALSE; -} - -static void -uncache_folder (CamelStore *store, CamelFolder *folder) -{ - g_hash_table_foreach_remove (store->folders, folder_matches, folder); -} - - -static CamelFolder * -get_folder_internal (CamelStore *store, const char *folder_name, - gboolean create, CamelException *ex) -{ - CamelFolder *folder = NULL; - - /* Try cache first. */ - folder = CS_CLASS (store)->lookup_folder (store, folder_name); - - if (!folder) { - folder = CS_CLASS (store)->get_folder (store, folder_name, - create, ex); - if (!folder) - return NULL; - - CS_CLASS (store)->cache_folder (store, folder_name, folder); - } - - return folder; -} - - - -/** - * camel_store_get_folder: Return the folder corresponding to a path. - * @store: a CamelStore - * @folder_name: name of the folder to get - * @create: whether or not to create the folder if it doesn't already exist - * @ex: a CamelException - * - * Returns the folder corresponding to the path @folder_name. If the - * path begins with the separator character, it is relative to the - * root folder. Otherwise, it is relative to the default folder. If - * @create is %TRUE and the named folder does not already exist, it will - * be created. - * - * Return value: the folder - **/ -CamelFolder * -camel_store_get_folder (CamelStore *store, const char *folder_name, - gboolean create, CamelException *ex) -{ - char *name; - CamelFolder *folder = NULL; - - name = CS_CLASS (store)->get_folder_name (store, folder_name, ex); - if (name) { - folder = get_folder_internal (store, name, create, ex); - g_free (name); - } - return folder; -} - - -/** - * camel_store_delete_folder: Delete the folder corresponding to a path. - * @store: a CamelStore - * @folder_name: name of the folder to delete - * @ex: a CamelException - * - * Deletes the named folder. The folder must be empty. - **/ -void -camel_store_delete_folder (CamelStore *store, const char *folder_name, - CamelException *ex) -{ - char *name; - - name = CS_CLASS (store)->get_folder_name (store, folder_name, ex); - if (name) { - CS_CLASS (store)->delete_folder (store, name, ex); - g_free (name); - } -} - - -/** - * camel_store_get_root_folder: return the top-level folder - * - * Returns the folder which is at the top of the folder hierarchy. - * This folder may or may not be the same as the default folder. - * - * Return value: the top-level folder. - **/ -CamelFolder * -camel_store_get_root_folder (CamelStore *store, CamelException *ex) -{ - char *name; - CamelFolder *folder = NULL; - - name = CS_CLASS (store)->get_root_folder_name (store, ex); - if (name) { - folder = get_folder_internal (store, name, TRUE, ex); - g_free (name); - } - return folder; -} - -/** - * camel_store_get_default_folder: return the store default folder - * - * The default folder is the folder which is presented to the user in - * the default configuration. This defaults to the root folder if - * the store doesn't override it. - * - * Return value: the default folder. - **/ -CamelFolder * -camel_store_get_default_folder (CamelStore *store, CamelException *ex) -{ - char *name; - CamelFolder *folder = NULL; - - name = CS_CLASS (store)->get_default_folder_name (store, ex); - if (name) { - folder = get_folder_internal (store, name, TRUE, ex); - g_free (name); - } - return folder; -} - |