diff options
Diffstat (limited to 'shell/e-local-storage.c')
| -rw-r--r-- | shell/e-local-storage.c | 589 |
1 files changed, 0 insertions, 589 deletions
diff --git a/shell/e-local-storage.c b/shell/e-local-storage.c deleted file mode 100644 index 93234b4741..0000000000 --- a/shell/e-local-storage.c +++ /dev/null @@ -1,589 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ -/* e-local-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 - */ - -/* FIXMEs: - * - * - If we have `.' or `..' as path elements, we lose. - * - * - If the LocalStorage is destroyed and an async operation on a shell component is - * pending, we get a callback on a bogus object. We need support for cancelling - * operations on the shell component. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <dirent.h> - -#include <errno.h> -#include <string.h> -#include <sys/param.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include <gnome.h> - -#include "e-util/e-util.h" -#include "e-local-folder.h" - -#include "e-local-storage.h" - - -#define PARENT_TYPE E_TYPE_STORAGE -static EStorageClass *parent_class = NULL; - -#define SUBFOLDER_DIR_NAME "subfolders" -#define SUBFOLDER_DIR_NAME_LEN 10 - -struct _ELocalStoragePrivate { - EFolderTypeRegistry *folder_type_registry; - char *base_path; -}; - - -/* Utility functions. */ - -/* Translate a storage path into a physical path on the file system. */ -static char * -get_physical_path (ELocalStorage *local_storage, - const char *path) -{ - EStorage *storage; - ELocalStoragePrivate *priv; - const char *p, *newp; - char *dp; - char *real_path; - int real_path_len; - int base_path_len; - - storage = E_STORAGE (local_storage); - priv = local_storage->priv; - - /* @path is always absolute, so it starts with a slash. The base class should - make sure this is the case; if not, it's broken. */ - g_assert (*path == G_DIR_SEPARATOR); - path++; - - /* Calculate the length of the real path. */ - - real_path_len = strlen (path); - real_path_len++; /* For the ending zero. */ - - base_path_len = strlen (priv->base_path); - real_path_len += base_path_len; - real_path_len++; /* For the separating slash. */ - - /* Take account for the fact that we need to translate every separator into - `subfolders/'. */ - p = path; - while (1) { - newp = strchr (p, G_DIR_SEPARATOR); - if (newp == NULL) - break; - - real_path_len += SUBFOLDER_DIR_NAME_LEN; - real_path_len++; /* For the separating slash. */ - - /* Skip consecutive slashes. */ - while (*newp == G_DIR_SEPARATOR) - newp++; - - p = newp; - }; - - real_path = g_malloc (real_path_len); - dp = real_path; - - memcpy (dp, priv->base_path, base_path_len); - dp += base_path_len; - *(dp++) = G_DIR_SEPARATOR; - - /* Copy the mangled path. */ - p = path; - while (1) { - newp = strchr (p, G_DIR_SEPARATOR); - if (newp == NULL) { - strcpy (dp, p); - break; - } - - memcpy (dp, p, newp - p + 1); /* `+ 1' to copy the slash too. */ - dp += newp - p + 1; - - memcpy (dp, SUBFOLDER_DIR_NAME, SUBFOLDER_DIR_NAME_LEN); - dp += SUBFOLDER_DIR_NAME_LEN; - - *(dp++) = G_DIR_SEPARATOR; - - /* Skip consecutive slashes. */ - while (*newp == G_DIR_SEPARATOR) - newp++; - - p = newp; - } - - return real_path; -} - -static gboolean -load_folders (ELocalStorage *local_storage, - const char *parent_path, - const char *path, - const char *physical_path) -{ - DIR *dir; - char *subfolder_directory_path; - - if (parent_path == NULL) { - /* On the top level, we don't have any folders and, consequently, no - subfolder directory. */ - - subfolder_directory_path = g_strdup (physical_path); - } else { - EFolder *folder; - - /* Otherwise, we have to load the corresponding folder. */ - - folder = e_local_folder_new_from_path (physical_path); - if (folder == NULL) - return FALSE; - - e_storage_new_folder (E_STORAGE (local_storage), parent_path, folder); - - subfolder_directory_path = g_concat_dir_and_file (physical_path, SUBFOLDER_DIR_NAME); - } - - /* Now scan the subfolders and load them. The subfolders are represented by - directories under the "SUBFOLDER_DIR_NAME" directory. */ - - dir = opendir (subfolder_directory_path); - - if (dir == NULL) { - g_free (subfolder_directory_path); - return FALSE; - } - - while (1) { - struct stat file_stat; - struct dirent *dirent; - char *file_path; - char *new_path; - - dirent = readdir (dir); - if (dirent == NULL) - break; - - if (strcmp (dirent->d_name, ".") == 0 || strcmp (dirent->d_name, "..") == 0) - continue; - - file_path = g_concat_dir_and_file (subfolder_directory_path, - dirent->d_name); - - if (stat (file_path, &file_stat) < 0) { - g_free (file_path); - continue; - } - if (! S_ISDIR (file_stat.st_mode)) { - g_free (file_path); - continue; - } - - new_path = g_concat_dir_and_file (path, dirent->d_name); - - load_folders (local_storage, path, new_path, file_path); - - g_free (file_path); - g_free (new_path); - } - - closedir (dir); - g_free (subfolder_directory_path); - - return TRUE; -} - -static gboolean -load_all_folders (ELocalStorage *local_storage) -{ - const char *base_path; - - base_path = e_local_storage_get_base_path (local_storage); - - return load_folders (local_storage, NULL, G_DIR_SEPARATOR_S, base_path); -} - -static EStorageResult -errno_to_storage_result (void) -{ - EStorageResult storage_result; - - switch (errno) { - case EACCES: - case EROFS: - storage_result = E_STORAGE_PERMISSIONDENIED; - break; - case EEXIST: - storage_result = E_STORAGE_EXISTS; - break; - case ENOSPC: - storage_result = E_STORAGE_NOSPACE; - break; - default: - storage_result = E_STORAGE_GENERICERROR; - } - - return storage_result; -} - -static EStorageResult -shell_component_result_to_storage_result (EvolutionShellComponentResult result) -{ - /* FIXME: Maybe we need better mapping here. */ - switch (result) { - case EVOLUTION_SHELL_COMPONENT_OK: - return E_STORAGE_OK; - case EVOLUTION_SHELL_COMPONENT_NOTFOUND: - return E_STORAGE_NOTFOUND; - case EVOLUTION_SHELL_COMPONENT_UNSUPPORTEDTYPE: - return E_STORAGE_UNSUPPORTEDTYPE; - case EVOLUTION_SHELL_COMPONENT_UNSUPPORTEDOPERATION: - return E_STORAGE_UNSUPPORTEDOPERATION; - case EVOLUTION_SHELL_COMPONENT_EXISTS: - return E_STORAGE_EXISTS; - case EVOLUTION_SHELL_COMPONENT_PERMISSIONDENIED: - return E_STORAGE_PERMISSIONDENIED; - case EVOLUTION_SHELL_COMPONENT_ALREADYOWNED: - case EVOLUTION_SHELL_COMPONENT_BUSY: - case EVOLUTION_SHELL_COMPONENT_CORBAERROR: - case EVOLUTION_SHELL_COMPONENT_HASSUBFOLDERS: - case EVOLUTION_SHELL_COMPONENT_INTERNALERROR: - case EVOLUTION_SHELL_COMPONENT_INTERRUPTED: - case EVOLUTION_SHELL_COMPONENT_INVALIDARG: - case EVOLUTION_SHELL_COMPONENT_INVALIDURI: - case EVOLUTION_SHELL_COMPONENT_NOSPACE: - case EVOLUTION_SHELL_COMPONENT_NOTOWNED: - case EVOLUTION_SHELL_COMPONENT_UNKNOWNERROR: - default: - return E_STORAGE_GENERICERROR; - } -} - - -/* Callbacks for the async methods invoked on the `Evolution::ShellComponent's. */ - -struct _AsyncCreateFolderCallbackData { - EStorage *storage; - - char *parent_path; - char *name; - char *type; - char *description; - char *physical_uri; - char *physical_path; - - EStorageResultCallback callback; - void *callback_data; -}; -typedef struct _AsyncCreateFolderCallbackData AsyncCreateFolderCallbackData; - -static void -component_async_create_folder_callback (EvolutionShellComponentClient *shell_component_client, - EvolutionShellComponentResult result, - void *data) -{ - AsyncCreateFolderCallbackData *callback_data; - - callback_data = (AsyncCreateFolderCallbackData *) data; - - if (result != EVOLUTION_SHELL_COMPONENT_OK) { - /* XXX: This assumes the component won't leave any files in the directory. */ - rmdir (callback_data->physical_path); - } else { - EFolder *folder; - - folder = e_local_folder_new (callback_data->name, - callback_data->type, - callback_data->description); - - e_folder_set_physical_uri (folder, callback_data->physical_uri); - - if (e_local_folder_save (E_LOCAL_FOLDER (folder))) { - e_storage_new_folder (callback_data->storage, - callback_data->parent_path, - folder); - } else { - rmdir (callback_data->physical_path); - gtk_object_unref (GTK_OBJECT (folder)); - result = E_STORAGE_IOERROR; - } - } - - bonobo_object_unref (BONOBO_OBJECT (shell_component_client)); - - (* callback_data->callback) (callback_data->storage, - shell_component_result_to_storage_result (result), - callback_data->callback_data); - - g_free (callback_data->parent_path); - g_free (callback_data->name); - g_free (callback_data->type); - g_free (callback_data->description); - g_free (callback_data->physical_uri); - g_free (callback_data->physical_path); - g_free (callback_data); -} - - -/* GtkObject methods. */ - -static void -impl_destroy (GtkObject *object) -{ - ELocalStorage *local_storage; - ELocalStoragePrivate *priv; - - local_storage = E_LOCAL_STORAGE (object); - priv = local_storage->priv; - - g_free (priv->base_path); - - if (priv->folder_type_registry != NULL) - gtk_object_unref (GTK_OBJECT (priv->folder_type_registry)); - - g_free (priv); - - (* GTK_OBJECT_CLASS (parent_class)->destroy) (object); -} - - -/* EStorage methods. */ - -static const char * -impl_get_name (EStorage *storage) -{ - /* FIXME this sucks. */ - return "local"; -} - -static void -impl_async_create_folder (EStorage *storage, - const char *path, - const char *type, - const char *description, - EStorageResultCallback callback, - void *data) -{ - ELocalStorage *local_storage; - ELocalStoragePrivate *priv; - EvolutionShellComponentClient *component_client; - const char *folder_name; - AsyncCreateFolderCallbackData *callback_data; - char *physical_path; - char *physical_uri; - char *parent_path; - - local_storage = E_LOCAL_STORAGE (storage); - priv = local_storage->priv; - - component_client = e_folder_type_registry_get_handler_for_type (priv->folder_type_registry, - type); - if (component_client == NULL) { - (* callback) (storage, E_STORAGE_INVALIDTYPE, data); - return; - } - - g_assert (g_path_is_absolute (path)); - - folder_name = g_basename (path); - if (folder_name == path + 1) { - /* We want a direct child of the root, so we don't need to create a - `subfolders' directory. */ - physical_path = get_physical_path (local_storage, path); - parent_path = g_strdup (G_DIR_SEPARATOR_S); - } else { - char *parent_physical_path; - char *subfolders_directory_physical_path; - - /* Create the `subfolders' subdirectory under the parent. */ - - parent_path = g_strndup (path, folder_name - path - 1); - parent_physical_path = get_physical_path (local_storage, parent_path); - subfolders_directory_physical_path = g_concat_dir_and_file (parent_physical_path, - SUBFOLDER_DIR_NAME); - - if (! g_file_exists (subfolders_directory_physical_path) - && mkdir (subfolders_directory_physical_path, 0700) == -1) { - g_free (parent_path); - g_free (subfolders_directory_physical_path); - g_free (parent_physical_path); - - (* callback) (storage, errno_to_storage_result (), data); - return; - } - - physical_path = g_concat_dir_and_file (subfolders_directory_physical_path, - folder_name); - g_free (subfolders_directory_physical_path); - g_free (parent_physical_path); - } - - /* Create the directory that holds the folder. */ - - if (mkdir (physical_path, 0700) == -1) { - g_free (physical_path); - (* callback) (storage, errno_to_storage_result (), data); - return; - } - - /* Finally tell the component to do the job of creating the physical files in - it. */ - /* FIXME: We should put the operations on a queue so that we can cancel them when - the ELocalStorage is destroyed. */ - - physical_uri = g_strconcat ("file://", physical_path, NULL); - - callback_data = g_new (AsyncCreateFolderCallbackData, 1); - callback_data->storage = storage; - callback_data->parent_path = parent_path; - callback_data->name = g_strdup (folder_name); - callback_data->type = g_strdup (type); - callback_data->description = g_strdup (description); - callback_data->physical_uri = physical_uri; - callback_data->physical_path = physical_path; - callback_data->callback = callback; - callback_data->callback_data = data; - - bonobo_object_ref (BONOBO_OBJECT (component_client)); - - evolution_shell_component_client_async_create_folder (component_client, - physical_path, - type, - component_async_create_folder_callback, - callback_data); -} - -static void -impl_async_remove_folder (EStorage *storage, - const char *path, - EStorageResultCallback callback, - void *data) -{ - ELocalStorage *local_storage; - - local_storage = E_LOCAL_STORAGE (storage); -} - - -/* Initialization. */ - -static void -class_init (ELocalStorageClass *class) -{ - EStorageClass *storage_class; - GtkObjectClass *object_class; - - parent_class = gtk_type_class (e_storage_get_type ()); - object_class = GTK_OBJECT_CLASS (class); - storage_class = E_STORAGE_CLASS (class); - - object_class->destroy = impl_destroy; - - storage_class->get_name = impl_get_name; - storage_class->async_create_folder = impl_async_create_folder; - storage_class->async_remove_folder = impl_async_remove_folder; -} - -static void -init (ELocalStorage *local_storage) -{ - ELocalStoragePrivate *priv; - - priv = g_new (ELocalStoragePrivate, 1); - - priv->base_path = NULL; - priv->folder_type_registry = NULL; - - local_storage->priv = priv; -} - - -static gboolean -construct (ELocalStorage *local_storage, - EFolderTypeRegistry *folder_type_registry, - const char *base_path) -{ - ELocalStoragePrivate *priv; - int base_path_len; - - e_storage_construct (E_STORAGE (local_storage)); - - priv = local_storage->priv; - - base_path_len = strlen (base_path); - while (base_path_len > 0 && base_path[base_path_len - 1] == G_DIR_SEPARATOR) - base_path_len--; - - g_return_val_if_fail (base_path_len != 0, FALSE); - - g_assert (priv->folder_type_registry == NULL); - gtk_object_ref (GTK_OBJECT (folder_type_registry)); - priv->folder_type_registry = folder_type_registry; - - g_assert (priv->base_path == NULL); - priv->base_path = g_strndup (base_path, base_path_len); - - return load_all_folders (local_storage); -} - -EStorage * -e_local_storage_open (EFolderTypeRegistry *folder_type_registry, - const char *base_path) -{ - EStorage *new; - - g_return_val_if_fail (folder_type_registry != NULL, NULL); - g_return_val_if_fail (E_IS_FOLDER_TYPE_REGISTRY (folder_type_registry), NULL); - g_return_val_if_fail (base_path != NULL, NULL); - - new = gtk_type_new (e_local_storage_get_type ()); - - if (! construct (E_LOCAL_STORAGE (new), folder_type_registry, base_path)) { - gtk_object_unref (GTK_OBJECT (new)); - return NULL; - } - - return new; -} - -const char * -e_local_storage_get_base_path (ELocalStorage *local_storage) -{ - g_return_val_if_fail (local_storage != NULL, NULL); - g_return_val_if_fail (E_IS_LOCAL_STORAGE (local_storage), NULL); - - return local_storage->priv->base_path; -} - - -E_MAKE_TYPE (e_local_storage, "ELocalStorage", ELocalStorage, class_init, init, PARENT_TYPE) |