diff options
Diffstat (limited to 'nautilus-desktop/nautilus-desktop-directory-file.c')
| -rw-r--r-- | nautilus-desktop/nautilus-desktop-directory-file.c | 568 |
1 files changed, 0 insertions, 568 deletions
diff --git a/nautilus-desktop/nautilus-desktop-directory-file.c b/nautilus-desktop/nautilus-desktop-directory-file.c deleted file mode 100644 index 3d451adb0..000000000 --- a/nautilus-desktop/nautilus-desktop-directory-file.c +++ /dev/null @@ -1,568 +0,0 @@ -/* - * nautilus-desktop-directory-file.c: Subclass of NautilusFile to help implement the - * virtual desktop. - * - * Copyright (C) 2003 Red Hat, 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, see <http://www.gnu.org/licenses/>. - * - * Author: Alexander Larsson <alexl@redhat.com> - */ - -#include <config.h> -#include "nautilus-desktop-directory-file.h" -#include "nautilus-desktop-metadata.h" -#include "nautilus-desktop-directory.h" - -#include <src/nautilus-directory-notify.h> -#include <src/nautilus-directory-private.h> -#include <src/nautilus-file-attributes.h> -#include <src/nautilus-file-private.h> -#include <src/nautilus-file-utilities.h> -#include <src/nautilus-metadata.h> - -#include <eel/eel-glib-extensions.h> -#include <gtk/gtk.h> -#include <glib/gi18n.h> -#include <string.h> - -struct NautilusDesktopDirectoryFileDetails -{ - NautilusDesktopDirectory *desktop_directory; - - NautilusFile *real_dir_file; - - GHashTable *callbacks; - GHashTable *monitors; -}; - -typedef struct -{ - NautilusDesktopDirectoryFile *desktop_file; - NautilusFileCallback callback; - gpointer callback_data; - - NautilusFileAttributes delegated_attributes; - NautilusFileAttributes non_delegated_attributes; - - GList *non_ready_files; - - gboolean initializing; -} DesktopCallback; - -typedef struct -{ - NautilusDesktopDirectoryFile *desktop_file; - - NautilusFileAttributes delegated_attributes; - NautilusFileAttributes non_delegated_attributes; -} DesktopMonitor; - -G_DEFINE_TYPE (NautilusDesktopDirectoryFile, nautilus_desktop_directory_file, - NAUTILUS_TYPE_FILE); - -static guint -desktop_callback_hash (gconstpointer desktop_callback_as_pointer) -{ - const DesktopCallback *desktop_callback; - - desktop_callback = desktop_callback_as_pointer; - return GPOINTER_TO_UINT (desktop_callback->callback) - ^ GPOINTER_TO_UINT (desktop_callback->callback_data); -} - -static gboolean -desktop_callback_equal (gconstpointer desktop_callback_as_pointer, - gconstpointer desktop_callback_as_pointer_2) -{ - const DesktopCallback *desktop_callback, *desktop_callback_2; - - desktop_callback = desktop_callback_as_pointer; - desktop_callback_2 = desktop_callback_as_pointer_2; - - return desktop_callback->callback == desktop_callback_2->callback - && desktop_callback->callback_data == desktop_callback_2->callback_data; -} - - -static void -real_file_changed_callback (NautilusFile *real_file, - gpointer callback_data) -{ - NautilusDesktopDirectoryFile *desktop_file; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (callback_data); - nautilus_file_changed (NAUTILUS_FILE (desktop_file)); -} - -static NautilusFileAttributes -get_delegated_attributes_mask (void) -{ - return NAUTILUS_FILE_ATTRIBUTE_DEEP_COUNTS | - NAUTILUS_FILE_ATTRIBUTE_DIRECTORY_ITEM_COUNT | - NAUTILUS_FILE_ATTRIBUTE_DIRECTORY_ITEM_MIME_TYPES | - NAUTILUS_FILE_ATTRIBUTE_INFO; -} - -static void -partition_attributes (NautilusFileAttributes attributes, - NautilusFileAttributes *delegated_attributes, - NautilusFileAttributes *non_delegated_attributes) -{ - NautilusFileAttributes mask; - - mask = get_delegated_attributes_mask (); - - *delegated_attributes = attributes & mask; - *non_delegated_attributes = attributes & ~mask; -} - -static void -desktop_directory_file_monitor_add (NautilusFile *file, - gconstpointer client, - NautilusFileAttributes attributes) -{ - NautilusDesktopDirectoryFile *desktop_file; - DesktopMonitor *monitor; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (file); - - /* Map the client to a unique value so this doesn't interfere - * with direct monitoring of the file by the same client. - */ - monitor = g_hash_table_lookup (desktop_file->details->monitors, client); - if (monitor != NULL) - { - g_assert (monitor->desktop_file == desktop_file); - } - else - { - monitor = g_new0 (DesktopMonitor, 1); - monitor->desktop_file = desktop_file; - g_hash_table_insert (desktop_file->details->monitors, - (gpointer) client, monitor); - } - - partition_attributes (attributes, - &monitor->delegated_attributes, - &monitor->non_delegated_attributes); - - /* Pawn off partioned attributes to real dir file */ - nautilus_file_monitor_add (desktop_file->details->real_dir_file, - monitor, monitor->delegated_attributes); - - /* Do the rest ourself */ - nautilus_directory_monitor_add_internal - (file->details->directory, file, - client, TRUE, - monitor->non_delegated_attributes, - NULL, NULL); -} - -static void -desktop_directory_file_monitor_remove (NautilusFile *file, - gconstpointer client) -{ - NautilusDesktopDirectoryFile *desktop_file; - DesktopMonitor *monitor; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (file); - - /* Map the client to the value used by the earlier add call. */ - monitor = g_hash_table_lookup (desktop_file->details->monitors, client); - if (monitor == NULL) - { - return; - } - - /* Call through to the real file remove calls. */ - g_hash_table_remove (desktop_file->details->monitors, client); - - /* Remove the locally handled parts */ - nautilus_directory_monitor_remove_internal - (file->details->directory, file, client); -} - -static void -desktop_callback_destroy (DesktopCallback *desktop_callback) -{ - g_assert (desktop_callback != NULL); - g_assert (NAUTILUS_IS_DESKTOP_DIRECTORY_FILE (desktop_callback->desktop_file)); - - nautilus_file_unref (NAUTILUS_FILE (desktop_callback->desktop_file)); - g_list_free (desktop_callback->non_ready_files); - g_free (desktop_callback); -} - -static void -desktop_callback_check_done (DesktopCallback *desktop_callback) -{ - /* Check if we are ready. */ - if (desktop_callback->initializing || - desktop_callback->non_ready_files != NULL) - { - return; - } - - /* Ensure our metadata is updated before calling back */ - nautilus_desktop_update_metadata_from_keyfile (NAUTILUS_FILE (desktop_callback->desktop_file), "directory"); - - /* Remove from the hash table before sending it. */ - g_hash_table_remove (desktop_callback->desktop_file->details->callbacks, - desktop_callback); - - /* We are ready, so do the real callback. */ - (*desktop_callback->callback)(NAUTILUS_FILE (desktop_callback->desktop_file), - desktop_callback->callback_data); - - /* And we are done. */ - desktop_callback_destroy (desktop_callback); -} - -static void -desktop_callback_remove_file (DesktopCallback *desktop_callback, - NautilusFile *file) -{ - desktop_callback->non_ready_files = g_list_remove - (desktop_callback->non_ready_files, file); - desktop_callback_check_done (desktop_callback); -} - -static void -ready_callback (NautilusFile *file, - gpointer callback_data) -{ - DesktopCallback *desktop_callback; - - g_assert (NAUTILUS_IS_FILE (file)); - g_assert (callback_data != NULL); - - desktop_callback = callback_data; - g_assert (g_list_find (desktop_callback->non_ready_files, file) != NULL); - - desktop_callback_remove_file (desktop_callback, file); -} - -static void -desktop_directory_file_call_when_ready (NautilusFile *file, - NautilusFileAttributes attributes, - NautilusFileCallback callback, - gpointer callback_data) -{ - NautilusDesktopDirectoryFile *desktop_file; - DesktopCallback search_key, *desktop_callback; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (file); - - /* Check to be sure we aren't overwriting. */ - search_key.callback = callback; - search_key.callback_data = callback_data; - if (g_hash_table_lookup (desktop_file->details->callbacks, &search_key) != NULL) - { - g_warning ("tried to add a new callback while an old one was pending"); - return; - } - - /* Create a desktop_callback record. */ - desktop_callback = g_new0 (DesktopCallback, 1); - nautilus_file_ref (file); - desktop_callback->desktop_file = desktop_file; - desktop_callback->callback = callback; - desktop_callback->callback_data = callback_data; - desktop_callback->initializing = TRUE; - - partition_attributes (attributes, - &desktop_callback->delegated_attributes, - &desktop_callback->non_delegated_attributes); - - desktop_callback->non_ready_files = g_list_prepend - (desktop_callback->non_ready_files, file); - desktop_callback->non_ready_files = g_list_prepend - (desktop_callback->non_ready_files, desktop_file->details->real_dir_file); - - /* Put it in the hash table. */ - g_hash_table_insert (desktop_file->details->callbacks, - desktop_callback, desktop_callback); - - /* Now connect to each file's call_when_ready. */ - nautilus_directory_call_when_ready_internal - (file->details->directory, file, - desktop_callback->non_delegated_attributes, - FALSE, NULL, ready_callback, desktop_callback); - nautilus_file_call_when_ready - (desktop_file->details->real_dir_file, - desktop_callback->delegated_attributes, - ready_callback, desktop_callback); - - desktop_callback->initializing = FALSE; - - /* Check if any files became read while we were connecting up - * the call_when_ready callbacks (also handles the pathological - * case where there are no files at all). - */ - desktop_callback_check_done (desktop_callback); -} - -static void -desktop_directory_file_cancel_call_when_ready (NautilusFile *file, - NautilusFileCallback callback, - gpointer callback_data) -{ - NautilusDesktopDirectoryFile *desktop_file; - DesktopCallback search_key, *desktop_callback; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (file); - - /* Find the entry in the table. */ - search_key.callback = callback; - search_key.callback_data = callback_data; - desktop_callback = g_hash_table_lookup (desktop_file->details->callbacks, &search_key); - if (desktop_callback == NULL) - { - return; - } - - /* Remove from the hash table before working with it. */ - g_hash_table_remove (desktop_callback->desktop_file->details->callbacks, desktop_callback); - - /* Tell the real directory to cancel the call. */ - nautilus_directory_cancel_callback_internal - (file->details->directory, file, - NULL, ready_callback, desktop_callback); - - nautilus_file_cancel_call_when_ready - (desktop_file->details->real_dir_file, - ready_callback, desktop_callback); - - desktop_callback_destroy (desktop_callback); -} - -static gboolean -real_check_if_ready (NautilusFile *file, - NautilusFileAttributes attributes) -{ - return nautilus_directory_check_if_ready_internal - (file->details->directory, file, - attributes); -} - -static gboolean -desktop_directory_file_check_if_ready (NautilusFile *file, - NautilusFileAttributes attributes) -{ - NautilusFileAttributes delegated_attributes, non_delegated_attributes; - NautilusDesktopDirectoryFile *desktop_file; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (file); - - partition_attributes (attributes, - &delegated_attributes, - &non_delegated_attributes); - - return real_check_if_ready (file, non_delegated_attributes) && - nautilus_file_check_if_ready (desktop_file->details->real_dir_file, - delegated_attributes); -} - -static gboolean -desktop_directory_file_get_item_count (NautilusFile *file, - guint *count, - gboolean *count_unreadable) -{ - NautilusDesktopDirectoryFile *desktop_file; - gboolean got_count; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (file); - - got_count = nautilus_file_get_directory_item_count (desktop_file->details->real_dir_file, - count, - count_unreadable); - - if (count) - { - *count += g_list_length (file->details->directory->details->file_list); - } - - return got_count; -} - -static NautilusRequestStatus -desktop_directory_file_get_deep_counts (NautilusFile *file, - guint *directory_count, - guint *file_count, - guint *unreadable_directory_count, - goffset *total_size) -{ - NautilusDesktopDirectoryFile *desktop_file; - NautilusRequestStatus status; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (file); - - status = nautilus_file_get_deep_counts (desktop_file->details->real_dir_file, - directory_count, - file_count, - unreadable_directory_count, - total_size, - TRUE); - - if (file_count) - { - *file_count += g_list_length (file->details->directory->details->file_list); - } - - return status; -} - -static gboolean -desktop_directory_file_get_date (NautilusFile *file, - NautilusDateType date_type, - time_t *date) -{ - NautilusDesktopDirectoryFile *desktop_file; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (file); - - return nautilus_file_get_date (desktop_file->details->real_dir_file, - date_type, - date); -} - -static char * -desktop_directory_file_get_where_string (NautilusFile *file) -{ - return g_strdup (_("on the desktop")); -} - - -static void -monitor_destroy (gpointer data) -{ - DesktopMonitor *monitor = data; - - nautilus_file_monitor_remove - (NAUTILUS_FILE (monitor->desktop_file->details->real_dir_file), monitor); - g_free (monitor); -} - -static void -nautilus_desktop_directory_file_set_metadata (NautilusFile *file, - const char *key, - const char *value) -{ - nautilus_desktop_set_metadata_string (file, "directory", key, value); -} - -static void -nautilus_desktop_directory_file_set_metadata_as_list (NautilusFile *file, - const char *key, - char **value) -{ - nautilus_desktop_set_metadata_stringv (file, "directory", key, (const gchar **) value); -} - -static void -nautilus_desktop_directory_file_init (NautilusDesktopDirectoryFile *desktop_file) -{ - NautilusDesktopDirectory *desktop_directory; - NautilusDirectory *real_dir; - NautilusFile *real_dir_file; - - desktop_file->details = G_TYPE_INSTANCE_GET_PRIVATE (desktop_file, - NAUTILUS_TYPE_DESKTOP_DIRECTORY_FILE, - NautilusDesktopDirectoryFileDetails); - - desktop_directory = NAUTILUS_DESKTOP_DIRECTORY (nautilus_directory_get_by_uri (EEL_DESKTOP_URI)); - desktop_file->details->desktop_directory = desktop_directory; - - desktop_file->details->callbacks = g_hash_table_new - (desktop_callback_hash, desktop_callback_equal); - desktop_file->details->monitors = g_hash_table_new_full (NULL, NULL, - NULL, monitor_destroy); - - real_dir = nautilus_desktop_directory_get_real_directory (desktop_directory); - real_dir_file = nautilus_directory_get_corresponding_file (real_dir); - nautilus_directory_unref (real_dir); - - desktop_file->details->real_dir_file = real_dir_file; - g_signal_connect_object (real_dir_file, "changed", - G_CALLBACK (real_file_changed_callback), desktop_file, 0); -} - - -static void -desktop_callback_remove_file_cover (gpointer key, - gpointer value, - gpointer callback_data) -{ - desktop_callback_remove_file - (value, NAUTILUS_FILE (callback_data)); -} - - -static void -desktop_finalize (GObject *object) -{ - NautilusDesktopDirectoryFile *desktop_file; - NautilusDesktopDirectory *desktop_directory; - - desktop_file = NAUTILUS_DESKTOP_DIRECTORY_FILE (object); - desktop_directory = desktop_file->details->desktop_directory; - - /* Todo: ghash now safe? */ - eel_g_hash_table_safe_for_each - (desktop_file->details->callbacks, - desktop_callback_remove_file_cover, - desktop_file->details->real_dir_file); - - if (g_hash_table_size (desktop_file->details->callbacks) != 0) - { - g_warning ("call_when_ready still pending when desktop virtual file is destroyed"); - } - - g_hash_table_destroy (desktop_file->details->callbacks); - g_hash_table_destroy (desktop_file->details->monitors); - - nautilus_file_unref (desktop_file->details->real_dir_file); - nautilus_directory_unref (NAUTILUS_DIRECTORY (desktop_directory)); - - G_OBJECT_CLASS (nautilus_desktop_directory_file_parent_class)->finalize (object); -} - -static void -nautilus_desktop_directory_file_class_init (NautilusDesktopDirectoryFileClass *klass) -{ - GObjectClass *object_class; - NautilusFileClass *file_class; - - object_class = G_OBJECT_CLASS (klass); - file_class = NAUTILUS_FILE_CLASS (klass); - - object_class->finalize = desktop_finalize; - - file_class->default_file_type = G_FILE_TYPE_DIRECTORY; - - file_class->monitor_add = desktop_directory_file_monitor_add; - file_class->monitor_remove = desktop_directory_file_monitor_remove; - file_class->call_when_ready = desktop_directory_file_call_when_ready; - file_class->cancel_call_when_ready = desktop_directory_file_cancel_call_when_ready; - file_class->check_if_ready = desktop_directory_file_check_if_ready; - file_class->get_item_count = desktop_directory_file_get_item_count; - file_class->get_deep_counts = desktop_directory_file_get_deep_counts; - file_class->get_date = desktop_directory_file_get_date; - file_class->get_where_string = desktop_directory_file_get_where_string; - file_class->set_metadata = nautilus_desktop_directory_file_set_metadata; - file_class->set_metadata_as_list = nautilus_desktop_directory_file_set_metadata_as_list; - - g_type_class_add_private (klass, sizeof (NautilusDesktopDirectoryFileDetails)); -} |