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authornobody <nobody@localhost>2000-05-22 06:40:15 +0800
committernobody <nobody@localhost>2000-05-22 06:40:15 +0800
commitb5f82e57fa8f5cc4538d3fd5e88cef6409265e0b (patch)
tree70ea22d6a4da2e07bedfe85a5cddc5e7ad0a1246 /shell/e-storage.c
parent3f5d9cb60827ca2a5e032e95aa241cc8376ab46f (diff)
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This commit was manufactured by cvs2svn to create tagGNOME_APPLETS_1_2_0
'GNOME_APPLETS_1_2_0'. svn path=/tags/GNOME_APPLETS_1_2_0/; revision=3153
Diffstat (limited to 'shell/e-storage.c')
-rw-r--r--shell/e-storage.c473
1 files changed, 0 insertions, 473 deletions
diff --git a/shell/e-storage.c b/shell/e-storage.c
deleted file mode 100644
index 5d5b1dd7a8..0000000000
--- a/shell/e-storage.c
+++ /dev/null
@@ -1,473 +0,0 @@
-/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
-/* e-storage.c
- *
- * Copyright (C) 2000 Helix Code, Inc.
- *
- * 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.
- *
- * Author: Ettore Perazzoli
- */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <gtk/gtkobject.h>
-#include <gtk/gtksignal.h>
-
-#include <gnome.h>
-
-#include "e-util/e-util.h"
-
-#include "e-storage.h"
-
-
-#define PARENT_TYPE GTK_TYPE_OBJECT
-static GtkObjectClass *parent_class = NULL;
-
-#define ES_CLASS(obj) \
- E_STORAGE_CLASS (GTK_OBJECT (obj)->klass)
-
-struct _WatcherList {
- char *path;
- GList *watchers;
-};
-typedef struct _WatcherList WatcherList;
-
-/* This describes a folder and its children. */
-struct _Folder {
- struct _Folder *parent;
- EFolder *e_folder;
- GList *subfolders;
-};
-typedef struct _Folder Folder;
-
-struct _EStoragePrivate {
- GHashTable *path_to_watcher_list;
- GHashTable *watcher_to_watcher_list;
-
- /* Every element here is a list of subfolders, hashed to the path of the parent. */
- GHashTable *path_to_folder;
-};
-
-
-static Folder *
-folder_new (EFolder *e_folder)
-{
- Folder *folder;
-
- folder = g_new (Folder, 1);
- folder->parent = NULL;
- folder->e_folder = e_folder;
- folder->subfolders = NULL;
-
- return folder;
-}
-
-static void
-folder_remove_subfolder (Folder *folder, Folder *subfolder)
-{
- g_list_remove (folder->subfolders, folder);
-}
-
-static void
-folder_add_subfolder (Folder *folder, Folder *subfolder)
-{
- folder->subfolders = g_list_prepend (folder->subfolders, subfolder);
- subfolder->parent = folder;
-}
-
-static void
-folder_destroy (Folder *folder)
-{
- GList *p;
-
- if (folder->parent != NULL)
- folder_remove_subfolder (folder->parent, folder);
-
- gtk_object_unref (GTK_OBJECT (folder->e_folder));
-
- for (p = folder->subfolders; p != NULL; p = p->next)
- folder_destroy (p->data);
-
- g_free (folder);
-}
-
-
-/* Watcher management. */
-
-static void
-watcher_destroyed_cb (GtkObject *object,
- gpointer data)
-{
- EStorageWatcher *watcher;
- EStorage *storage;
- EStoragePrivate *priv;
- WatcherList *list;
-
- watcher = E_STORAGE_WATCHER (object);
- storage = E_STORAGE (data);
- priv = storage->priv;
-
- list = g_hash_table_lookup (priv->watcher_to_watcher_list, watcher);
- g_return_if_fail (list != NULL);
-
- list->watchers = g_list_remove (list->watchers, watcher);
-}
-
-static void
-free_watcher_list (EStorage *storage,
- WatcherList *watcher_list)
-{
- GtkObject *watcher_object;
- GList *p;
-
- for (p = watcher_list->watchers; p != NULL; p = p->next) {
- watcher_object = GTK_OBJECT (p->data);
- gtk_signal_disconnect_by_func (watcher_object, watcher_destroyed_cb, storage);
-
- gtk_object_destroy (watcher_object); /* Make sure it does not live when we are dead. */
- gtk_object_unref (watcher_object);
- }
-
- g_free (watcher_list->path);
-
- g_free (watcher_list);
-}
-
-static void
-hash_foreach_free_watcher_list (gpointer key,
- gpointer value,
- gpointer data)
-{
- WatcherList *watcher_list;
- EStorage *storage;
-
- storage = E_STORAGE (data);
- watcher_list = (WatcherList *) value;
-
- free_watcher_list (storage, watcher_list);
-}
-
-static void
-free_private (EStorage *storage)
-{
- EStoragePrivate *priv;
-
- priv = storage->priv;
-
- g_hash_table_foreach (priv->path_to_watcher_list, hash_foreach_free_watcher_list, storage);
- g_hash_table_destroy (priv->path_to_watcher_list);
-
- g_hash_table_destroy (priv->watcher_to_watcher_list);
-
- g_free (priv);
-}
-
-
-/* EStorage methods. */
-
-static GList *
-list_folders (EStorage *storage,
- const char *path)
-{
- Folder *folder;
- Folder *subfolder;
- GList *list;
- GList *p;
-
- folder = g_hash_table_lookup (storage->priv->path_to_folder, path);
- if (folder == NULL)
- return NULL;
-
- list = NULL;
- for (p = folder->subfolders; p != NULL; p = p->next) {
- subfolder = (Folder *) p->data;
-
- gtk_object_ref (GTK_OBJECT (subfolder->e_folder));
- list = g_list_prepend (list, subfolder->e_folder);
- }
-
- return list;
-}
-
-static EStorageWatcher *
-get_watcher_for_path (EStorage *storage,
- const char *path)
-{
- EStoragePrivate *priv;
- EStorageWatcher *watcher;
- WatcherList *watcher_list;
-
- priv = storage->priv;
-
- watcher = e_storage_watcher_new (storage, path);
-
- watcher_list = g_hash_table_lookup (priv->path_to_watcher_list, path);
- if (watcher_list == NULL) {
- watcher_list = g_new (WatcherList, 1);
- watcher_list->path = g_strdup (path);
- watcher_list->watchers = NULL;
-
- g_hash_table_insert (priv->path_to_watcher_list, watcher_list->path, watcher_list);
- }
-
- g_hash_table_insert (priv->watcher_to_watcher_list, watcher, watcher_list);
-
- watcher_list->watchers = g_list_prepend (watcher_list->watchers, watcher);
-
- gtk_signal_connect (GTK_OBJECT (watcher), "destroy",
- GTK_SIGNAL_FUNC (watcher_destroyed_cb), storage);
-
- return watcher;
-}
-
-static EFolder *
-get_folder (EStorage *storage,
- const char *path)
-{
- EStoragePrivate *priv;
- Folder *folder;
-
- priv = storage->priv;
-
- folder = g_hash_table_lookup (priv->path_to_folder, path);
- if (folder == NULL)
- return NULL;
-
- return folder->e_folder;
-}
-
-static const char *
-get_name (EStorage *storage)
-{
- return "(No name)";
-}
-
-
-/* GtkObject methods. */
-
-static void
-destroy (GtkObject *object)
-{
- EStorage *storage;
-
- storage = E_STORAGE (object);
-
- free_private (storage);
-
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-
-/* Initialization. */
-
-static void
-class_init (EStorageClass *class)
-{
- GtkObjectClass *object_class;
-
- object_class = GTK_OBJECT_CLASS (class);
- parent_class = gtk_type_class (gtk_object_get_type ());
-
- object_class->destroy = destroy;
-
- class->list_folders = list_folders;
- class->get_watcher_for_path = get_watcher_for_path;
- class->get_folder = get_folder;
- class->get_name = get_name;
-}
-
-static void
-init (EStorage *storage)
-{
- EStoragePrivate *priv;
-
- priv = g_new (EStoragePrivate, 1);
-
- priv->path_to_watcher_list = g_hash_table_new (g_str_hash, g_str_equal);
- priv->watcher_to_watcher_list = g_hash_table_new (g_direct_hash, g_direct_equal);
- priv->path_to_folder = g_hash_table_new (g_str_hash, g_str_equal);
-
- storage->priv = priv;
-}
-
-
-/* Creation. */
-
-void
-e_storage_construct (EStorage *storage)
-{
- Folder *root_folder;
-
- g_return_if_fail (storage != NULL);
- g_return_if_fail (E_IS_STORAGE (storage));
-
- GTK_OBJECT_UNSET_FLAGS (GTK_OBJECT (storage), GTK_FLOATING);
-
- root_folder = folder_new (NULL);
- g_hash_table_insert (storage->priv->path_to_folder, G_DIR_SEPARATOR_S, root_folder);
-}
-
-EStorage *
-e_storage_new (void)
-{
- EStorage *new;
-
- new = gtk_type_new (e_storage_get_type ());
-
- e_storage_construct (new);
-
- return new;
-}
-
-
-gboolean
-e_storage_path_is_absolute (const char *path)
-{
- g_return_val_if_fail (path != NULL, FALSE);
-
- return *path == G_DIR_SEPARATOR;
-}
-
-gboolean
-e_storage_path_is_relative (const char *path)
-{
- g_return_val_if_fail (path != NULL, FALSE);
-
- return *path != G_DIR_SEPARATOR;
-}
-
-
-GList *
-e_storage_list_folders (EStorage *storage,
- const char *path)
-{
- g_return_val_if_fail (storage != NULL, NULL);
- g_return_val_if_fail (E_IS_STORAGE (storage), NULL);
- g_return_val_if_fail (path != NULL, NULL);
- g_return_val_if_fail (g_path_is_absolute (path), NULL);
-
- return (* ES_CLASS (storage)->list_folders) (storage, path);
-}
-
-EStorageWatcher *
-e_storage_get_watcher_for_path (EStorage *storage, const char *path)
-{
- g_return_val_if_fail (storage != NULL, NULL);
- g_return_val_if_fail (E_IS_STORAGE (storage), NULL);
- g_return_val_if_fail (path != NULL, NULL);
- g_return_val_if_fail (e_storage_path_is_absolute (path), NULL);
-
- return (* ES_CLASS (storage)->get_watcher_for_path) (storage, path);
-}
-
-EFolder *
-e_storage_get_folder (EStorage *storage,
- const char *path)
-{
- g_return_val_if_fail (storage != NULL, NULL);
- g_return_val_if_fail (E_IS_STORAGE (storage), NULL);
- g_return_val_if_fail (path != NULL, NULL);
- g_return_val_if_fail (e_storage_path_is_absolute (path), NULL);
-
- return (* ES_CLASS (storage)->get_folder) (storage, path);
-}
-
-const char *
-e_storage_get_name (EStorage *storage)
-{
- g_return_val_if_fail (storage != NULL, NULL);
- g_return_val_if_fail (E_IS_STORAGE (storage), NULL);
-
- return (* ES_CLASS (storage)->get_name) (storage);
-}
-
-
-/* These functions are used by subclasses to add and remove folders from the
- state stored in the storage object. */
-
-void
-e_storage_new_folder (EStorage *storage,
- const char *path,
- EFolder *e_folder)
-{
- EStoragePrivate *priv;
- Folder *folder;
- Folder *parent_folder;
- const char *name;
- char *full_path;
-
- g_return_if_fail (storage != NULL);
- g_return_if_fail (E_IS_STORAGE (storage));
- g_return_if_fail (path != NULL);
- g_return_if_fail (g_path_is_absolute (path));
- g_return_if_fail (e_folder != NULL);
- g_return_if_fail (E_IS_FOLDER (e_folder));
-
- priv = storage->priv;
-
- parent_folder = g_hash_table_lookup (priv->path_to_folder, path);
- if (parent_folder == NULL) {
- g_warning ("%s: Trying to add a subfolder to a path that does not exist yet -- %s",
- __FUNCTION__, path);
- return;
- }
-
- name = e_folder_get_name (e_folder);
- g_assert (name != NULL);
- g_return_if_fail (*name != G_DIR_SEPARATOR);
-
- full_path = g_concat_dir_and_file (path, name);
-
- folder = g_hash_table_lookup (priv->path_to_folder, full_path);
- if (folder != NULL) {
- g_warning ("%s: Trying to add a subfolder for a path that already exists -- %s",
- __FUNCTION__, full_path);
- return;
- }
-
- folder = folder_new (e_folder);
- folder_add_subfolder (parent_folder, folder);
-
- g_hash_table_insert (priv->path_to_folder, full_path, folder);
-}
-
-void
-e_storage_remove_folder (EStorage *storage,
- const char *path)
-{
- EStoragePrivate *priv;
- Folder *folder;
-
- g_return_if_fail (storage != NULL);
- g_return_if_fail (E_IS_STORAGE (storage));
- g_return_if_fail (path != NULL);
- g_return_if_fail (g_path_is_absolute (path));
-
- priv = storage->priv;
-
- folder = g_hash_table_lookup (priv->path_to_folder, path);
- if (folder == NULL) {
- g_warning ("%s: Folder not found -- %s", __FUNCTION__, path);
- return;
- }
-
- folder_destroy (folder);
-}
-
-
-E_MAKE_TYPE (e_storage, "EStorage", EStorage, class_init, init, PARENT_TYPE)