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-rw-r--r--shell/e-storage.c577
1 files changed, 0 insertions, 577 deletions
diff --git a/shell/e-storage.c b/shell/e-storage.c
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index e38c5e3fbf..0000000000
--- a/shell/e-storage.c
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-/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
-/* e-storage.c
- *
- * Copyright (C) 2000, 2001 Ximian, 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 <gal/util/e-util.h>
-
-#include "e-folder-tree.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 _EStoragePrivate {
- /* The set of folders we have in this storage. */
- EFolderTree *folder_tree;
-
- /* URI for the toplevel node. */
- char *toplevel_node_uri;
-
- /* Toplevel node type. */
- char *toplevel_node_type;
-};
-
-enum {
- NEW_FOLDER,
- UPDATED_FOLDER,
- REMOVED_FOLDER,
- LAST_SIGNAL
-};
-
-static guint signals[LAST_SIGNAL] = { 0 };
-
-
-/* Destroy notification function for the folders in the tree. */
-
-static void
-folder_destroy_notify (EFolderTree *tree,
- const char *path,
- void *data,
- void *closure)
-{
- EFolder *e_folder;
-
- if (data == NULL) {
- /* The root folder has no EFolder associated to it. */
- return;
- }
-
- e_folder = E_FOLDER (data);
- gtk_object_unref (GTK_OBJECT (e_folder));
-}
-
-
-/* Signal callbacks for the EFolders. */
-
-static void
-folder_changed_cb (EFolder *folder,
- void *data)
-{
- EStorage *storage;
- EStoragePrivate *priv;
- const char *path, *p;
- gboolean highlight;
-
- g_assert (E_IS_STORAGE (data));
-
- storage = E_STORAGE (data);
- priv = storage->priv;
-
- path = e_folder_tree_get_path_for_data (priv->folder_tree, folder);
- g_assert (path != NULL);
-
- gtk_signal_emit (GTK_OBJECT (storage), signals[UPDATED_FOLDER], path);
-
- highlight = GPOINTER_TO_INT (gtk_object_get_data (GTK_OBJECT (folder), "last_highlight"));
- if (highlight != e_folder_get_highlighted (folder)) {
- highlight = !highlight;
- gtk_object_set_data (GTK_OBJECT (folder), "last_highlight",
- GINT_TO_POINTER (highlight));
- p = strrchr (path, '/');
- if (p && p != path) {
- char *name;
-
- name = g_strndup (path, p - path);
- folder = e_folder_tree_get_folder (priv->folder_tree, name);
- g_free (name);
- if (folder)
- e_folder_set_child_highlight (folder, highlight);
- }
- }
-}
-
-
-/* GtkObject methods. */
-
-static void
-destroy (GtkObject *object)
-{
- EStorage *storage;
- EStoragePrivate *priv;
-
- storage = E_STORAGE (object);
- priv = storage->priv;
-
- if (priv->folder_tree != NULL)
- e_folder_tree_destroy (priv->folder_tree);
-
- g_free (priv->toplevel_node_uri);
- g_free (priv->toplevel_node_type);
-
- (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
-}
-
-
-/* EStorage methods. */
-
-static GList *
-impl_get_subfolder_paths (EStorage *storage,
- const char *path)
-{
- EStoragePrivate *priv;
-
- priv = storage->priv;
-
- return e_folder_tree_get_subfolders (priv->folder_tree, path);
-}
-
-static EFolder *
-impl_get_folder (EStorage *storage,
- const char *path)
-{
- EStoragePrivate *priv;
- EFolder *e_folder;
-
- priv = storage->priv;
-
- e_folder = (EFolder *) e_folder_tree_get_folder (priv->folder_tree, path);
-
- return e_folder;
-}
-
-static const char *
-impl_get_name (EStorage *storage)
-{
- return _("(No name)");
-}
-
-static void
-impl_async_create_folder (EStorage *storage,
- const char *path,
- const char *type,
- const char *description,
- EStorageResultCallback callback,
- void *data)
-{
- (* callback) (storage, E_STORAGE_NOTIMPLEMENTED, data);
-}
-
-static void
-impl_async_remove_folder (EStorage *storage,
- const char *path,
- EStorageResultCallback callback,
- void *data)
-{
- (* callback) (storage, E_STORAGE_NOTIMPLEMENTED, data);
-}
-
-
-/* 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->get_subfolder_paths = impl_get_subfolder_paths;
- class->get_folder = impl_get_folder;
- class->get_name = impl_get_name;
- class->async_create_folder = impl_async_create_folder;
- class->async_remove_folder = impl_async_remove_folder;
-
- signals[NEW_FOLDER] =
- gtk_signal_new ("new_folder",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (EStorageClass, new_folder),
- gtk_marshal_NONE__STRING,
- GTK_TYPE_NONE, 1,
- GTK_TYPE_STRING);
- signals[UPDATED_FOLDER] =
- gtk_signal_new ("updated_folder",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (EStorageClass, updated_folder),
- gtk_marshal_NONE__STRING,
- GTK_TYPE_NONE, 1,
- GTK_TYPE_STRING);
- signals[REMOVED_FOLDER] =
- gtk_signal_new ("removed_folder",
- GTK_RUN_FIRST,
- object_class->type,
- GTK_SIGNAL_OFFSET (EStorageClass, removed_folder),
- gtk_marshal_NONE__STRING,
- GTK_TYPE_NONE, 1,
- GTK_TYPE_STRING);
-
- gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
-}
-
-static void
-init (EStorage *storage)
-{
- EStoragePrivate *priv;
-
- priv = g_new (EStoragePrivate, 1);
-
- priv->folder_tree = e_folder_tree_new (folder_destroy_notify, NULL);
- priv->toplevel_node_uri = NULL;
- priv->toplevel_node_type = NULL;
-
- storage->priv = priv;
-}
-
-
-/* Creation. */
-
-void
-e_storage_construct (EStorage *storage,
- const char *toplevel_node_uri,
- const char *toplevel_node_type)
-{
- EStoragePrivate *priv;
-
- g_return_if_fail (storage != NULL);
- g_return_if_fail (E_IS_STORAGE (storage));
-
- priv = storage->priv;
-
- priv->toplevel_node_uri = g_strdup (toplevel_node_uri);
- priv->toplevel_node_type = g_strdup (toplevel_node_type);
-
- GTK_OBJECT_UNSET_FLAGS (GTK_OBJECT (storage), GTK_FLOATING);
-}
-
-EStorage *
-e_storage_new (const char *toplevel_node_uri,
- const char *toplevel_node_type)
-{
- EStorage *new;
-
- new = gtk_type_new (e_storage_get_type ());
-
- e_storage_construct (new, toplevel_node_uri, toplevel_node_type);
-
- 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_get_subfolder_paths (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)->get_subfolder_paths) (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);
-}
-
-/**
- * e_storage_get_toplevel_node_uri:
- * @storage: A pointer to an EStorage object
- *
- * Get the physical URI for the toplevel node in the storage.
- *
- * Return value: a pointer to a string representing that URI.
- **/
-const char *
-e_storage_get_toplevel_node_uri (EStorage *storage)
-{
- EStoragePrivate *priv;
-
- g_return_val_if_fail (storage != NULL, NULL);
- g_return_val_if_fail (E_IS_STORAGE (storage), NULL);
-
- priv = storage->priv;
- return priv->toplevel_node_uri;
-}
-
-/**
- * e_storage_get_toplevel_node_type:
- * @storage: A pointer to an EStorage object.
- *
- * Get the folder type for the toplevel node.
- *
- * Return value: A string identifying the type of the toplevel node.
- **/
-const char *
-e_storage_get_toplevel_node_type (EStorage *storage)
-{
- EStoragePrivate *priv;
-
- g_return_val_if_fail (storage != NULL, NULL);
- g_return_val_if_fail (E_IS_STORAGE (storage), NULL);
-
- priv = storage->priv;
- return priv->toplevel_node_type;
-}
-
-
-/* Folder operations. */
-
-void
-e_storage_async_create_folder (EStorage *storage,
- const char *path,
- const char *type,
- const char *description,
- EStorageResultCallback callback,
- void *data)
-{
- 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 (type != NULL);
- g_return_if_fail (callback != NULL);
-
- (* ES_CLASS (storage)->async_create_folder) (storage, path, type, description, callback, data);
-}
-
-void
-e_storage_async_remove_folder (EStorage *storage,
- const char *path,
- EStorageResultCallback callback,
- void *data)
-{
- 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 (callback != NULL);
-
- (* ES_CLASS (storage)->async_remove_folder) (storage, path, callback, data);
-}
-
-
-const char *
-e_storage_result_to_string (EStorageResult result)
-{
- switch (result) {
- case E_STORAGE_OK:
- return _("No error");
- case E_STORAGE_GENERICERROR:
- return _("Generic error");
- case E_STORAGE_EXISTS:
- return _("A folder with the same name already exists");
- case E_STORAGE_INVALIDTYPE:
- return _("The specified folder type is not valid");
- case E_STORAGE_IOERROR:
- return _("I/O error");
- case E_STORAGE_NOSPACE:
- return _("Not enough space to create the folder");
- case E_STORAGE_NOTFOUND:
- return _("The specified folder was not found");
- case E_STORAGE_NOTIMPLEMENTED:
- return _("Function not implemented in this storage");
- case E_STORAGE_PERMISSIONDENIED:
- return _("Permission denied");
- case E_STORAGE_UNSUPPORTEDOPERATION:
- return _("Operation not supported");
- case E_STORAGE_UNSUPPORTEDTYPE:
- return _("The specified type is not supported in this storage");
- default:
- return _("Unknown error");
- }
-}
-
-
-/* Public utility functions. */
-
-struct _GetPathForPhysicalUriForeachData {
- const char *physical_uri;
- char *retval;
-};
-typedef struct _GetPathForPhysicalUriForeachData GetPathForPhysicalUriForeachData;
-
-static void
-get_path_for_physical_uri_foreach (EFolderTree *folder_tree,
- const char *path,
- void *path_data,
- void *user_data)
-{
- GetPathForPhysicalUriForeachData *foreach_data;
- const char *physical_uri;
- EFolder *e_folder;
-
- foreach_data = (GetPathForPhysicalUriForeachData *) user_data;
- if (foreach_data->retval != NULL)
- return;
-
- e_folder = (EFolder *) path_data;
- if (e_folder == NULL)
- return;
-
- physical_uri = e_folder_get_physical_uri (e_folder);
-
- if (strcmp (foreach_data->physical_uri, physical_uri) == 0)
- foreach_data->retval = g_strdup (path);
-}
-
-/**
- * e_storage_get_path_for_physical_uri:
- * @storage: A storage
- * @physical_uri: A physical URI
- *
- * Look for the folder having the specified @physical_uri.
- *
- * Return value: The path of the folder having the specified @physical_uri in
- * @storage. If such a folder does not exist, just return NULL. The return
- * value must be freed by the caller.
- **/
-char *
-e_storage_get_path_for_physical_uri (EStorage *storage,
- const char *physical_uri)
-{
- GetPathForPhysicalUriForeachData foreach_data;
- EStoragePrivate *priv;
-
- g_return_val_if_fail (storage != NULL, NULL);
- g_return_val_if_fail (E_IS_STORAGE (storage), NULL);
- g_return_val_if_fail (physical_uri != NULL, NULL);
-
- priv = storage->priv;
-
- foreach_data.physical_uri = physical_uri;
- foreach_data.retval = NULL;
-
- e_folder_tree_foreach (priv->folder_tree, get_path_for_physical_uri_foreach, &foreach_data);
-
- return foreach_data.retval;
-}
-
-
-/* Protected functions. */
-
-/* These functions are used by subclasses to add and remove folders from the
- state stored in the storage object. */
-
-gboolean
-e_storage_new_folder (EStorage *storage,
- const char *path,
- EFolder *e_folder)
-{
- EStoragePrivate *priv;
-
- g_return_val_if_fail (storage != NULL, FALSE);
- g_return_val_if_fail (E_IS_STORAGE (storage), FALSE);
- g_return_val_if_fail (path != NULL, FALSE);
- g_return_val_if_fail (g_path_is_absolute (path), FALSE);
- g_return_val_if_fail (e_folder != NULL, FALSE);
- g_return_val_if_fail (E_IS_FOLDER (e_folder), FALSE);
-
- priv = storage->priv;
-
- if (! e_folder_tree_add (priv->folder_tree, path, e_folder))
- return FALSE;
-
- gtk_signal_connect_while_alive (GTK_OBJECT (e_folder), "changed", folder_changed_cb,
- storage, GTK_OBJECT (storage));
-
- gtk_signal_emit (GTK_OBJECT (storage), signals[NEW_FOLDER], path);
-
- return TRUE;
-}
-
-gboolean
-e_storage_removed_folder (EStorage *storage,
- const char *path)
-{
- EStoragePrivate *priv;
-
- g_return_val_if_fail (storage != NULL, FALSE);
- g_return_val_if_fail (E_IS_STORAGE (storage), FALSE);
- g_return_val_if_fail (path != NULL, FALSE);
- g_return_val_if_fail (g_path_is_absolute (path), FALSE);
-
- priv = storage->priv;
-
- if (e_folder_tree_get_folder (priv->folder_tree, path) == NULL)
- return FALSE;
-
- gtk_signal_emit (GTK_OBJECT (storage), signals[REMOVED_FOLDER], path);
-
- e_folder_tree_remove (priv->folder_tree, path);
-
- return TRUE;
-}
-
-
-E_MAKE_TYPE (e_storage, "EStorage", EStorage, class_init, init, PARENT_TYPE)