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authormonsta <[email protected]>2016-07-12 14:12:20 +0300
committermonsta <[email protected]>2016-07-12 14:12:20 +0300
commita1a90ed979fe7a93a95742c0ca911f13b68d46b9 (patch)
tree9235676cba7eaae20832f1423fbae02fff8d63f0 /libcaja-private/caja-merged-directory.c
parent1f212bb1c6aa5a7a294a40801c3f8c0dbf252671 (diff)
downloadcaja-a1a90ed979fe7a93a95742c0ca911f13b68d46b9.tar.bz2
caja-a1a90ed979fe7a93a95742c0ca911f13b68d46b9.tar.xz
libcaja-private: remove unused CajaMergedDirectory code
Diffstat (limited to 'libcaja-private/caja-merged-directory.c')
-rw-r--r--libcaja-private/caja-merged-directory.c731
1 files changed, 0 insertions, 731 deletions
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 <[email protected]>
-*/
-
-#include <config.h>
-#include "caja-merged-directory.h"
-
-#include "caja-directory-private.h"
-#include "caja-directory-notify.h"
-#include "caja-file.h"
-#include <eel/eel-glib-extensions.h>
-#include <eel/eel-gtk-macros.h>
-#include <gtk/gtk.h>
-
-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);
-}