From a1a90ed979fe7a93a95742c0ca911f13b68d46b9 Mon Sep 17 00:00:00 2001 From: monsta Date: Tue, 12 Jul 2016 14:12:20 +0300 Subject: libcaja-private: remove unused CajaMergedDirectory code --- libcaja-private/caja-merged-directory.c | 731 -------------------------------- 1 file changed, 731 deletions(-) delete mode 100644 libcaja-private/caja-merged-directory.c (limited to 'libcaja-private/caja-merged-directory.c') diff --git a/libcaja-private/caja-merged-directory.c b/libcaja-private/caja-merged-directory.c deleted file mode 100644 index 2c8d825d..00000000 --- a/libcaja-private/caja-merged-directory.c +++ /dev/null @@ -1,731 +0,0 @@ -/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- - - caja-merged-directory.c: Subclass of CajaDirectory to implement the - virtual merged directory. - - Copyright (C) 1999, 2000 Eazel, 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., 51 Franklin St, Fifth Floor, - Boston, MA 02110-1301, USA. - - Author: Darin Adler -*/ - -#include -#include "caja-merged-directory.h" - -#include "caja-directory-private.h" -#include "caja-directory-notify.h" -#include "caja-file.h" -#include -#include -#include - -struct CajaMergedDirectoryDetails -{ - GList *directories; - GList *directories_not_done_loading; - GHashTable *callbacks; - GHashTable *monitors; -}; - -typedef struct -{ - CajaMergedDirectory *merged; - CajaDirectoryCallback callback; - gpointer callback_data; - - CajaFileAttributes wait_for_attributes; - gboolean wait_for_file_list; - - GList *non_ready_directories; - GList *merged_file_list; -} MergedCallback; - -typedef struct -{ - CajaMergedDirectory *merged; - - gboolean monitor_hidden_files; - CajaFileAttributes monitor_attributes; -} MergedMonitor; - -enum -{ - ADD_REAL_DIRECTORY, - REMOVE_REAL_DIRECTORY, - LAST_SIGNAL -}; - -static guint signals[LAST_SIGNAL] = { 0 }; - -G_DEFINE_TYPE (CajaMergedDirectory, caja_merged_directory, - CAJA_TYPE_DIRECTORY); -#define parent_class caja_merged_directory_parent_class - -static guint -merged_callback_hash (gconstpointer merged_callback_as_pointer) -{ - const MergedCallback *merged_callback; - - merged_callback = merged_callback_as_pointer; - return GPOINTER_TO_UINT (merged_callback->callback) - ^ GPOINTER_TO_UINT (merged_callback->callback_data); -} - -static gboolean -merged_callback_equal (gconstpointer merged_callback_as_pointer, - gconstpointer merged_callback_as_pointer_2) -{ - const MergedCallback *merged_callback, *merged_callback_2; - - merged_callback = merged_callback_as_pointer; - merged_callback_2 = merged_callback_as_pointer_2; - - return merged_callback->callback == merged_callback_2->callback - && merged_callback->callback_data == merged_callback_2->callback_data; -} - -static void -merged_callback_destroy (MergedCallback *merged_callback) -{ - g_assert (merged_callback != NULL); - g_assert (CAJA_IS_MERGED_DIRECTORY (merged_callback->merged)); - - g_list_free (merged_callback->non_ready_directories); - caja_file_list_free (merged_callback->merged_file_list); - g_free (merged_callback); -} - -static void -merged_callback_check_done (MergedCallback *merged_callback) -{ - /* Check if we are ready. */ - if (merged_callback->non_ready_directories != NULL) - { - return; - } - - /* Remove from the hash table before sending it. */ - g_hash_table_remove (merged_callback->merged->details->callbacks, merged_callback); - - /* We are ready, so do the real callback. */ - (* merged_callback->callback) (CAJA_DIRECTORY (merged_callback->merged), - merged_callback->merged_file_list, - merged_callback->callback_data); - - /* And we are done. */ - merged_callback_destroy (merged_callback); -} - -static void -merged_callback_remove_directory (MergedCallback *merged_callback, - CajaDirectory *directory) -{ - merged_callback->non_ready_directories = g_list_remove - (merged_callback->non_ready_directories, directory); - merged_callback_check_done (merged_callback); -} - -static void -directory_ready_callback (CajaDirectory *directory, - GList *files, - gpointer callback_data) -{ - MergedCallback *merged_callback; - - g_assert (CAJA_IS_DIRECTORY (directory)); - g_assert (callback_data != NULL); - - merged_callback = callback_data; - g_assert (g_list_find (merged_callback->non_ready_directories, directory) != NULL); - - /* Update based on this call. */ - merged_callback->merged_file_list = g_list_concat - (merged_callback->merged_file_list, - caja_file_list_copy (files)); - - /* Check if we are ready. */ - merged_callback_remove_directory (merged_callback, directory); -} - -static void -merged_call_when_ready (CajaDirectory *directory, - CajaFileAttributes file_attributes, - gboolean wait_for_file_list, - CajaDirectoryCallback callback, - gpointer callback_data) -{ - CajaMergedDirectory *merged; - MergedCallback search_key, *merged_callback; - GList *node; - - merged = CAJA_MERGED_DIRECTORY (directory); - - /* Check to be sure we aren't overwriting. */ - search_key.callback = callback; - search_key.callback_data = callback_data; - if (g_hash_table_lookup (merged->details->callbacks, &search_key) != NULL) - { - g_warning ("tried to add a new callback while an old one was pending"); - return; - } - - /* Create a merged_callback record. */ - merged_callback = g_new0 (MergedCallback, 1); - merged_callback->merged = merged; - merged_callback->callback = callback; - merged_callback->callback_data = callback_data; - merged_callback->wait_for_attributes = file_attributes; - merged_callback->wait_for_file_list = wait_for_file_list; - for (node = merged->details->directories; node != NULL; node = node->next) - { - merged_callback->non_ready_directories = g_list_prepend - (merged_callback->non_ready_directories, node->data); - } - - /* Put it in the hash table. */ - g_hash_table_insert (merged->details->callbacks, - merged_callback, merged_callback); - - /* Handle the pathological case where there are no directories. */ - if (merged->details->directories == NULL) - { - merged_callback_check_done (merged_callback); - } - - /* Now tell all the directories about it. */ - for (node = merged->details->directories; node != NULL; node = node->next) - { - caja_directory_call_when_ready - (node->data, - merged_callback->wait_for_attributes, - merged_callback->wait_for_file_list, - directory_ready_callback, merged_callback); - } -} - -static void -merged_cancel_callback (CajaDirectory *directory, - CajaDirectoryCallback callback, - gpointer callback_data) -{ - CajaMergedDirectory *merged; - MergedCallback search_key, *merged_callback; - GList *node; - - merged = CAJA_MERGED_DIRECTORY (directory); - - /* Find the entry in the table. */ - search_key.callback = callback; - search_key.callback_data = callback_data; - merged_callback = g_hash_table_lookup (merged->details->callbacks, &search_key); - if (merged_callback == NULL) - { - return; - } - - /* Remove from the hash table before working with it. */ - g_hash_table_remove (merged_callback->merged->details->callbacks, merged_callback); - - /* Tell all the directories to cancel the call. */ - for (node = merged_callback->non_ready_directories; node != NULL; node = node->next) - { - caja_directory_cancel_callback - (node->data, - directory_ready_callback, merged_callback); - } - merged_callback_destroy (merged_callback); -} - -static void -build_merged_callback_list (CajaDirectory *directory, - GList *file_list, - gpointer callback_data) -{ - GList **merged_list; - - merged_list = callback_data; - *merged_list = g_list_concat (*merged_list, - caja_file_list_copy (file_list)); -} - -/* Create a monitor on each of the directories in the list. */ -static void -merged_monitor_add (CajaDirectory *directory, - gconstpointer client, - gboolean monitor_hidden_files, - CajaFileAttributes file_attributes, - CajaDirectoryCallback callback, - gpointer callback_data) -{ - CajaMergedDirectory *merged; - MergedMonitor *monitor; - GList *node; - GList *merged_callback_list; - - merged = CAJA_MERGED_DIRECTORY (directory); - - /* Map the client to a unique value so this doesn't interfere - * with direct monitoring of the directory by the same client. - */ - monitor = g_hash_table_lookup (merged->details->monitors, client); - if (monitor != NULL) - { - g_assert (monitor->merged == merged); - } - else - { - monitor = g_new0 (MergedMonitor, 1); - monitor->merged = merged; - g_hash_table_insert (merged->details->monitors, - (gpointer) client, monitor); - } - monitor->monitor_hidden_files = monitor_hidden_files; - monitor->monitor_attributes = file_attributes; - - /* Call through to the real directory add calls. */ - merged_callback_list = NULL; - for (node = merged->details->directories; node != NULL; node = node->next) - { - caja_directory_file_monitor_add - (node->data, monitor, - monitor_hidden_files, - file_attributes, - build_merged_callback_list, &merged_callback_list); - } - if (callback != NULL) - { - (* callback) (directory, merged_callback_list, callback_data); - } - caja_file_list_free (merged_callback_list); -} - -static void -merged_monitor_destroy (CajaMergedDirectory *merged, MergedMonitor *monitor) -{ - GList *node; - - /* Call through to the real directory remove calls. */ - for (node = merged->details->directories; node != NULL; node = node->next) - { - caja_directory_file_monitor_remove (node->data, monitor); - } - - g_free (monitor); -} - -/* Remove the monitor from each of the directories in the list. */ -static void -merged_monitor_remove (CajaDirectory *directory, - gconstpointer client) -{ - CajaMergedDirectory *merged; - MergedMonitor *monitor; - - merged = CAJA_MERGED_DIRECTORY (directory); - - /* Map the client to the value used by the earlier add call. */ - monitor = g_hash_table_lookup (merged->details->monitors, client); - if (monitor == NULL) - { - return; - } - g_hash_table_remove (merged->details->monitors, client); - - merged_monitor_destroy (merged, monitor); -} - -static void -merged_force_reload (CajaDirectory *directory) -{ - CajaMergedDirectory *merged; - GList *node; - - merged = CAJA_MERGED_DIRECTORY (directory); - - /* Call through to the real force_reload calls. */ - for (node = merged->details->directories; node != NULL; node = node->next) - { - caja_directory_force_reload (node->data); - } -} - -/* Return true if any directory in the list does. */ -static gboolean -merged_contains_file (CajaDirectory *directory, - CajaFile *file) -{ - CajaMergedDirectory *merged; - GList *node; - - merged = CAJA_MERGED_DIRECTORY (directory); - - for (node = merged->details->directories; node != NULL; node = node->next) - { - if (caja_directory_contains_file (node->data, file)) - { - return TRUE; - } - } - return FALSE; -} - -/* Return true only if all directories in the list do. */ -static gboolean -merged_are_all_files_seen (CajaDirectory *directory) -{ - CajaMergedDirectory *merged; - GList *node; - - merged = CAJA_MERGED_DIRECTORY (directory); - - for (node = merged->details->directories; node != NULL; node = node->next) - { - if (!caja_directory_are_all_files_seen (node->data)) - { - return FALSE; - } - } - return TRUE; -} - -/* Return true if any directory in the list does. */ -static gboolean -merged_is_not_empty (CajaDirectory *directory) -{ - CajaMergedDirectory *merged; - GList *node; - - merged = CAJA_MERGED_DIRECTORY (directory); - - for (node = merged->details->directories; node != NULL; node = node->next) - { - if (caja_directory_is_not_empty (node->data)) - { - return TRUE; - } - } - return FALSE; -} - -static GList * -merged_get_file_list (CajaDirectory *directory) -{ - GList *dirs_file_list, *merged_dir_file_list = NULL; - GList *dir_list; - GList *cur_node; - - dirs_file_list = NULL; - dir_list = CAJA_MERGED_DIRECTORY (directory)->details->directories; - - for (cur_node = dir_list; cur_node != NULL; cur_node = cur_node->next) - { - CajaDirectory *cur_dir; - - cur_dir = CAJA_DIRECTORY (cur_node->data); - dirs_file_list = g_list_concat (dirs_file_list, - caja_directory_get_file_list (cur_dir)); - } - - merged_dir_file_list = EEL_CALL_PARENT_WITH_RETURN_VALUE - (CAJA_DIRECTORY_CLASS, get_file_list, (directory)); - - return g_list_concat (dirs_file_list, merged_dir_file_list); -} - -static void -forward_files_added_cover (CajaDirectory *real_directory, - GList *files, - gpointer callback_data) -{ - caja_directory_emit_files_added (CAJA_DIRECTORY (callback_data), files); -} - -static void -forward_files_changed_cover (CajaDirectory *real_directory, - GList *files, - gpointer callback_data) -{ - caja_directory_emit_files_changed (CAJA_DIRECTORY (callback_data), files); -} - -static void -done_loading_callback (CajaDirectory *real_directory, - CajaMergedDirectory *merged) -{ - merged->details->directories_not_done_loading = g_list_remove - (merged->details->directories_not_done_loading, real_directory); - if (merged->details->directories_not_done_loading == NULL) - { - caja_directory_emit_done_loading (CAJA_DIRECTORY (merged)); - } -} - -static void -monitor_add_directory (gpointer key, - gpointer value, - gpointer callback_data) -{ - MergedMonitor *monitor; - - monitor = value; - caja_directory_file_monitor_add - (CAJA_DIRECTORY (callback_data), monitor, - monitor->monitor_hidden_files, - monitor->monitor_attributes, - forward_files_added_cover, monitor->merged); -} - -static void -merged_add_real_directory (CajaMergedDirectory *merged, - CajaDirectory *real_directory) -{ - g_return_if_fail (CAJA_IS_MERGED_DIRECTORY (merged)); - g_return_if_fail (CAJA_IS_DIRECTORY (real_directory)); - g_return_if_fail (!CAJA_IS_MERGED_DIRECTORY (real_directory)); - g_return_if_fail (g_list_find (merged->details->directories, real_directory) == NULL); - - /* Add to our list of directories. */ - caja_directory_ref (real_directory); - merged->details->directories = g_list_prepend - (merged->details->directories, real_directory); - merged->details->directories_not_done_loading = g_list_prepend - (merged->details->directories_not_done_loading, real_directory); - - g_signal_connect_object (real_directory, "done_loading", - G_CALLBACK (done_loading_callback), merged, 0); - - /* FIXME bugzilla.gnome.org 45084: The done_loading part won't work for the case where - * we have no directories in our list. - */ - - /* Add the directory to any extant monitors. */ - g_hash_table_foreach (merged->details->monitors, - monitor_add_directory, - real_directory); - /* FIXME bugzilla.gnome.org 42541: Do we need to add the directory to callbacks too? */ - - g_signal_connect_object (real_directory, "files_added", - G_CALLBACK (forward_files_added_cover), merged, 0); - g_signal_connect_object (real_directory, "files_changed", - G_CALLBACK (forward_files_changed_cover), merged, 0); -} - -void -caja_merged_directory_add_real_directory (CajaMergedDirectory *merged, - CajaDirectory *real_directory) -{ - g_return_if_fail (CAJA_IS_MERGED_DIRECTORY (merged)); - g_return_if_fail (CAJA_IS_DIRECTORY (real_directory)); - g_return_if_fail (!CAJA_IS_MERGED_DIRECTORY (real_directory)); - - /* Quietly do nothing if asked to add something that's already there. */ - if (g_list_find (merged->details->directories, real_directory) != NULL) - { - return; - } - - g_signal_emit (merged, signals[ADD_REAL_DIRECTORY], 0, real_directory); -} - -GList * -caja_merged_directory_get_real_directories (CajaMergedDirectory *merged) -{ - return g_list_copy (merged->details->directories); -} - -static void -merged_callback_remove_directory_cover (gpointer key, - gpointer value, - gpointer callback_data) -{ - merged_callback_remove_directory - (value, CAJA_DIRECTORY (callback_data)); -} - -static void -monitor_remove_directory (gpointer key, - gpointer value, - gpointer callback_data) -{ - caja_directory_file_monitor_remove - (CAJA_DIRECTORY (callback_data), value); -} - -static void -real_directory_notify_files_removed (CajaDirectory *real_directory) -{ - GList *files, *l; - - files = caja_directory_get_file_list (real_directory); - - for (l = files; l; l = l->next) - { - CajaFile *file; - char *uri; - - file = CAJA_FILE (l->data); - uri = caja_file_get_uri (file); - caja_file_unref (file); - - l->data = uri; - } - - if (files) - { - caja_directory_notify_files_removed_by_uri (files); - } - - g_list_free_full (files, g_free); -} - -static void -merged_remove_real_directory (CajaMergedDirectory *merged, - CajaDirectory *real_directory) -{ - g_return_if_fail (CAJA_IS_MERGED_DIRECTORY (merged)); - g_return_if_fail (CAJA_IS_DIRECTORY (real_directory)); - g_return_if_fail (g_list_find (merged->details->directories, real_directory) != NULL); - - /* Since the real directory will be going away, act as if files were removed */ - real_directory_notify_files_removed (real_directory); - - /* Remove this directory from callbacks and monitors. */ - eel_g_hash_table_safe_for_each (merged->details->callbacks, - merged_callback_remove_directory_cover, - real_directory); - g_hash_table_foreach (merged->details->monitors, - monitor_remove_directory, - real_directory); - - /* Disconnect all the signals. */ - g_signal_handlers_disconnect_matched - (real_directory, G_SIGNAL_MATCH_DATA, - 0, 0, NULL, NULL, merged); - - /* Remove from our list of directories. */ - merged->details->directories = g_list_remove - (merged->details->directories, real_directory); - merged->details->directories_not_done_loading = g_list_remove - (merged->details->directories_not_done_loading, real_directory); - caja_directory_unref (real_directory); -} - -void -caja_merged_directory_remove_real_directory (CajaMergedDirectory *merged, - CajaDirectory *real_directory) -{ - g_return_if_fail (CAJA_IS_MERGED_DIRECTORY (merged)); - - /* Quietly do nothing if asked to remove something that's not there. */ - if (g_list_find (merged->details->directories, real_directory) == NULL) - { - return; - } - - g_signal_emit (merged, signals[REMOVE_REAL_DIRECTORY], 0, real_directory); -} - -static void -merged_monitor_destroy_cover (gpointer key, - gpointer value, - gpointer callback_data) -{ - merged_monitor_destroy (callback_data, value); -} - -static void -merged_callback_destroy_cover (gpointer key, - gpointer value, - gpointer callback_data) -{ - merged_callback_destroy (value); -} - -static void -merged_finalize (GObject *object) -{ - CajaMergedDirectory *merged; - - merged = CAJA_MERGED_DIRECTORY (object); - - g_hash_table_foreach (merged->details->monitors, - merged_monitor_destroy_cover, merged); - g_hash_table_foreach (merged->details->callbacks, - merged_callback_destroy_cover, NULL); - - g_hash_table_destroy (merged->details->callbacks); - g_hash_table_destroy (merged->details->monitors); - caja_directory_list_free (merged->details->directories); - g_list_free (merged->details->directories_not_done_loading); - g_free (merged->details); - - G_OBJECT_CLASS (parent_class)->finalize (object); -} - -static void -caja_merged_directory_init (CajaMergedDirectory *merged) -{ - merged->details = g_new0 (CajaMergedDirectoryDetails, 1); - merged->details->callbacks = g_hash_table_new - (merged_callback_hash, merged_callback_equal); - merged->details->monitors = g_hash_table_new (NULL, NULL); -} - -static void -caja_merged_directory_class_init (CajaMergedDirectoryClass *class) -{ - CajaDirectoryClass *directory_class; - - directory_class = CAJA_DIRECTORY_CLASS (class); - - G_OBJECT_CLASS (class)->finalize = merged_finalize; - - directory_class->contains_file = merged_contains_file; - directory_class->call_when_ready = merged_call_when_ready; - directory_class->cancel_callback = merged_cancel_callback; - directory_class->file_monitor_add = merged_monitor_add; - directory_class->file_monitor_remove = merged_monitor_remove; - directory_class->force_reload = merged_force_reload; - directory_class->are_all_files_seen = merged_are_all_files_seen; - directory_class->is_not_empty = merged_is_not_empty; - /* Override get_file_list so that we can return a list that includes - * the files from each of the directories in CajaMergedDirectory->details->directories. - */ - directory_class->get_file_list = merged_get_file_list; - - class->add_real_directory = merged_add_real_directory; - class->remove_real_directory = merged_remove_real_directory; - - signals[ADD_REAL_DIRECTORY] - = g_signal_new ("add_real_directory", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (CajaMergedDirectoryClass, - add_real_directory), - NULL, NULL, - g_cclosure_marshal_VOID__POINTER, - G_TYPE_NONE, 1, G_TYPE_POINTER); - signals[REMOVE_REAL_DIRECTORY] - = g_signal_new ("remove_real_directory", - G_TYPE_FROM_CLASS (class), - G_SIGNAL_RUN_LAST, - G_STRUCT_OFFSET (CajaMergedDirectoryClass, - remove_real_directory), - NULL, NULL, - g_cclosure_marshal_VOID__POINTER, - G_TYPE_NONE, 1, G_TYPE_POINTER); -} -- cgit v1.2.1