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![Cosimo Cecchi](/assets/img/avatar_default.png)
2008-10-06 Cosimo Cecchi <cosimoc@gnome.org> * libnautilus-private/nautilus-bookmark.c: * libnautilus-private/nautilus-desktop-directory.c: * libnautilus-private/nautilus-icon-container.c: * libnautilus-private/nautilus-merged-directory.c: * libnautilus-private/nautilus-module.c: * libnautilus-private/nautilus-module.h: * libnautilus-private/nautilus-search-directory.c: * libnautilus-private/nautilus-signaller.c: * libnautilus-private/nautilus-tree-view-drag-dest.c: * src/file-manager/fm-icon-container.c: * src/nautilus-application.c: * src/nautilus-desktop-window.c: * src/nautilus-file-management-properties-main.c: * src/nautilus-zoom-control.c: Use G_DEFINE_TYPE instead of libgnome macros. svn path=/trunk/; revision=14686
705 lines
21 KiB
C
705 lines
21 KiB
C
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
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nautilus-merged-directory.c: Subclass of NautilusDirectory to implement the
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virtual merged directory.
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Copyright (C) 1999, 2000 Eazel, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; if not, write to the
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Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA.
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Author: Darin Adler <darin@bentspoon.com>
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*/
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#include <config.h>
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#include "nautilus-merged-directory.h"
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#include "nautilus-directory-private.h"
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#include "nautilus-directory-notify.h"
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#include "nautilus-file.h"
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#include <eel/eel-glib-extensions.h>
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#include <eel/eel-gtk-macros.h>
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#include <gtk/gtk.h>
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struct NautilusMergedDirectoryDetails {
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GList *directories;
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GList *directories_not_done_loading;
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GHashTable *callbacks;
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GHashTable *monitors;
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};
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typedef struct {
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NautilusMergedDirectory *merged;
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NautilusDirectoryCallback callback;
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gpointer callback_data;
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NautilusFileAttributes wait_for_attributes;
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gboolean wait_for_file_list;
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GList *non_ready_directories;
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GList *merged_file_list;
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} MergedCallback;
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typedef struct {
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NautilusMergedDirectory *merged;
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gboolean monitor_hidden_files;
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gboolean monitor_backup_files;
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NautilusFileAttributes monitor_attributes;
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} MergedMonitor;
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enum {
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ADD_REAL_DIRECTORY,
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REMOVE_REAL_DIRECTORY,
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LAST_SIGNAL
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};
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static guint signals[LAST_SIGNAL];
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G_DEFINE_TYPE (NautilusMergedDirectory, nautilus_merged_directory,
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NAUTILUS_TYPE_DIRECTORY);
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#define parent_class nautilus_merged_directory_parent_class
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static guint
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merged_callback_hash (gconstpointer merged_callback_as_pointer)
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{
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const MergedCallback *merged_callback;
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merged_callback = merged_callback_as_pointer;
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return GPOINTER_TO_UINT (merged_callback->callback)
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^ GPOINTER_TO_UINT (merged_callback->callback_data);
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}
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static gboolean
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merged_callback_equal (gconstpointer merged_callback_as_pointer,
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gconstpointer merged_callback_as_pointer_2)
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{
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const MergedCallback *merged_callback, *merged_callback_2;
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merged_callback = merged_callback_as_pointer;
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merged_callback_2 = merged_callback_as_pointer_2;
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return merged_callback->callback == merged_callback_2->callback
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&& merged_callback->callback_data == merged_callback_2->callback_data;
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}
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static void
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merged_callback_destroy (MergedCallback *merged_callback)
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{
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g_assert (merged_callback != NULL);
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g_assert (NAUTILUS_IS_MERGED_DIRECTORY (merged_callback->merged));
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g_list_free (merged_callback->non_ready_directories);
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nautilus_file_list_free (merged_callback->merged_file_list);
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g_free (merged_callback);
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}
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static void
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merged_callback_check_done (MergedCallback *merged_callback)
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{
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/* Check if we are ready. */
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if (merged_callback->non_ready_directories != NULL) {
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return;
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}
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/* Remove from the hash table before sending it. */
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g_hash_table_remove (merged_callback->merged->details->callbacks, merged_callback);
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/* We are ready, so do the real callback. */
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(* merged_callback->callback) (NAUTILUS_DIRECTORY (merged_callback->merged),
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merged_callback->merged_file_list,
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merged_callback->callback_data);
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/* And we are done. */
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merged_callback_destroy (merged_callback);
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}
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static void
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merged_callback_remove_directory (MergedCallback *merged_callback,
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NautilusDirectory *directory)
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{
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merged_callback->non_ready_directories = g_list_remove
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(merged_callback->non_ready_directories, directory);
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merged_callback_check_done (merged_callback);
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}
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static void
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directory_ready_callback (NautilusDirectory *directory,
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GList *files,
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gpointer callback_data)
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{
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MergedCallback *merged_callback;
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g_assert (NAUTILUS_IS_DIRECTORY (directory));
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g_assert (callback_data != NULL);
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merged_callback = callback_data;
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g_assert (g_list_find (merged_callback->non_ready_directories, directory) != NULL);
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/* Update based on this call. */
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merged_callback->merged_file_list = g_list_concat
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(merged_callback->merged_file_list,
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nautilus_file_list_copy (files));
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/* Check if we are ready. */
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merged_callback_remove_directory (merged_callback, directory);
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}
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static void
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merged_call_when_ready (NautilusDirectory *directory,
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NautilusFileAttributes file_attributes,
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gboolean wait_for_file_list,
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NautilusDirectoryCallback callback,
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gpointer callback_data)
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{
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NautilusMergedDirectory *merged;
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MergedCallback search_key, *merged_callback;
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GList *node;
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merged = NAUTILUS_MERGED_DIRECTORY (directory);
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/* Check to be sure we aren't overwriting. */
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search_key.callback = callback;
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search_key.callback_data = callback_data;
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if (g_hash_table_lookup (merged->details->callbacks, &search_key) != NULL) {
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g_warning ("tried to add a new callback while an old one was pending");
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return;
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}
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/* Create a merged_callback record. */
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merged_callback = g_new0 (MergedCallback, 1);
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merged_callback->merged = merged;
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merged_callback->callback = callback;
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merged_callback->callback_data = callback_data;
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merged_callback->wait_for_attributes = file_attributes;
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merged_callback->wait_for_file_list = wait_for_file_list;
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for (node = merged->details->directories; node != NULL; node = node->next) {
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merged_callback->non_ready_directories = g_list_prepend
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(merged_callback->non_ready_directories, node->data);
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}
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/* Put it in the hash table. */
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g_hash_table_insert (merged->details->callbacks,
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merged_callback, merged_callback);
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/* Handle the pathological case where there are no directories. */
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if (merged->details->directories == NULL) {
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merged_callback_check_done (merged_callback);
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}
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/* Now tell all the directories about it. */
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for (node = merged->details->directories; node != NULL; node = node->next) {
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nautilus_directory_call_when_ready
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(node->data,
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merged_callback->wait_for_attributes,
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merged_callback->wait_for_file_list,
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directory_ready_callback, merged_callback);
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}
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}
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static void
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merged_cancel_callback (NautilusDirectory *directory,
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NautilusDirectoryCallback callback,
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gpointer callback_data)
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{
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NautilusMergedDirectory *merged;
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MergedCallback search_key, *merged_callback;
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GList *node;
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merged = NAUTILUS_MERGED_DIRECTORY (directory);
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/* Find the entry in the table. */
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search_key.callback = callback;
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search_key.callback_data = callback_data;
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merged_callback = g_hash_table_lookup (merged->details->callbacks, &search_key);
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if (merged_callback == NULL) {
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return;
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}
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/* Remove from the hash table before working with it. */
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g_hash_table_remove (merged_callback->merged->details->callbacks, merged_callback);
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/* Tell all the directories to cancel the call. */
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for (node = merged_callback->non_ready_directories; node != NULL; node = node->next) {
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nautilus_directory_cancel_callback
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(node->data,
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directory_ready_callback, merged_callback);
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}
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merged_callback_destroy (merged_callback);
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}
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static void
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build_merged_callback_list (NautilusDirectory *directory,
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GList *file_list,
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gpointer callback_data)
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{
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GList **merged_list;
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merged_list = callback_data;
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*merged_list = g_list_concat (*merged_list,
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nautilus_file_list_copy (file_list));
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}
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/* Create a monitor on each of the directories in the list. */
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static void
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merged_monitor_add (NautilusDirectory *directory,
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gconstpointer client,
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gboolean monitor_hidden_files,
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gboolean monitor_backup_files,
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NautilusFileAttributes file_attributes,
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NautilusDirectoryCallback callback,
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gpointer callback_data)
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{
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NautilusMergedDirectory *merged;
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MergedMonitor *monitor;
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GList *node;
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GList *merged_callback_list;
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merged = NAUTILUS_MERGED_DIRECTORY (directory);
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/* Map the client to a unique value so this doesn't interfere
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* with direct monitoring of the directory by the same client.
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*/
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monitor = g_hash_table_lookup (merged->details->monitors, client);
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if (monitor != NULL) {
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g_assert (monitor->merged == merged);
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} else {
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monitor = g_new0 (MergedMonitor, 1);
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monitor->merged = merged;
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g_hash_table_insert (merged->details->monitors,
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(gpointer) client, monitor);
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}
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monitor->monitor_hidden_files = monitor_hidden_files;
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monitor->monitor_backup_files = monitor_backup_files;
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monitor->monitor_attributes = file_attributes;
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/* Call through to the real directory add calls. */
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merged_callback_list = NULL;
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for (node = merged->details->directories; node != NULL; node = node->next) {
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nautilus_directory_file_monitor_add
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(node->data, monitor,
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monitor_hidden_files, monitor_backup_files,
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file_attributes,
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build_merged_callback_list, &merged_callback_list);
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}
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if (callback != NULL) {
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(* callback) (directory, merged_callback_list, callback_data);
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}
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nautilus_file_list_free (merged_callback_list);
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}
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static void
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merged_monitor_destroy (NautilusMergedDirectory *merged, MergedMonitor *monitor)
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{
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GList *node;
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/* Call through to the real directory remove calls. */
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for (node = merged->details->directories; node != NULL; node = node->next) {
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nautilus_directory_file_monitor_remove (node->data, monitor);
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}
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g_free (monitor);
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}
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/* Remove the monitor from each of the directories in the list. */
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static void
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merged_monitor_remove (NautilusDirectory *directory,
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gconstpointer client)
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{
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NautilusMergedDirectory *merged;
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MergedMonitor *monitor;
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merged = NAUTILUS_MERGED_DIRECTORY (directory);
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/* Map the client to the value used by the earlier add call. */
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monitor = g_hash_table_lookup (merged->details->monitors, client);
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if (monitor == NULL) {
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return;
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}
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g_hash_table_remove (merged->details->monitors, client);
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merged_monitor_destroy (merged, monitor);
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}
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static void
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merged_force_reload (NautilusDirectory *directory)
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{
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NautilusMergedDirectory *merged;
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GList *node;
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merged = NAUTILUS_MERGED_DIRECTORY (directory);
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/* Call through to the real force_reload calls. */
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for (node = merged->details->directories; node != NULL; node = node->next) {
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nautilus_directory_force_reload (node->data);
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}
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}
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/* Return true if any directory in the list does. */
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static gboolean
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merged_contains_file (NautilusDirectory *directory,
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NautilusFile *file)
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{
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NautilusMergedDirectory *merged;
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GList *node;
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merged = NAUTILUS_MERGED_DIRECTORY (directory);
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for (node = merged->details->directories; node != NULL; node = node->next) {
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if (nautilus_directory_contains_file (node->data, file)) {
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return TRUE;
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}
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}
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return FALSE;
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}
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/* Return true only if all directories in the list do. */
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static gboolean
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merged_are_all_files_seen (NautilusDirectory *directory)
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{
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NautilusMergedDirectory *merged;
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GList *node;
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merged = NAUTILUS_MERGED_DIRECTORY (directory);
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for (node = merged->details->directories; node != NULL; node = node->next) {
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if (!nautilus_directory_are_all_files_seen (node->data)) {
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return FALSE;
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}
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}
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return TRUE;
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}
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/* Return true if any directory in the list does. */
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static gboolean
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merged_is_not_empty (NautilusDirectory *directory)
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{
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NautilusMergedDirectory *merged;
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GList *node;
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merged = NAUTILUS_MERGED_DIRECTORY (directory);
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for (node = merged->details->directories; node != NULL; node = node->next) {
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if (nautilus_directory_is_not_empty (node->data)) {
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return TRUE;
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}
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}
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return FALSE;
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}
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static GList *
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merged_get_file_list (NautilusDirectory *directory)
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{
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GList *dirs_file_list, *merged_dir_file_list = NULL;
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GList *dir_list;
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GList *cur_node;
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dirs_file_list = NULL;
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dir_list = NAUTILUS_MERGED_DIRECTORY (directory)->details->directories;
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for (cur_node = dir_list; cur_node != NULL; cur_node = cur_node->next) {
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NautilusDirectory *cur_dir;
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cur_dir = NAUTILUS_DIRECTORY (cur_node->data);
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dirs_file_list = g_list_concat (dirs_file_list,
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nautilus_directory_get_file_list (cur_dir));
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}
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merged_dir_file_list = EEL_CALL_PARENT_WITH_RETURN_VALUE
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(NAUTILUS_DIRECTORY_CLASS, get_file_list, (directory));
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return g_list_concat (dirs_file_list, merged_dir_file_list);
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}
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static void
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forward_files_added_cover (NautilusDirectory *real_directory,
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GList *files,
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gpointer callback_data)
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{
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nautilus_directory_emit_files_added (NAUTILUS_DIRECTORY (callback_data), files);
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}
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static void
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forward_files_changed_cover (NautilusDirectory *real_directory,
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GList *files,
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gpointer callback_data)
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{
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nautilus_directory_emit_files_changed (NAUTILUS_DIRECTORY (callback_data), files);
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}
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static void
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done_loading_callback (NautilusDirectory *real_directory,
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NautilusMergedDirectory *merged)
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{
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merged->details->directories_not_done_loading = g_list_remove
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(merged->details->directories_not_done_loading, real_directory);
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if (merged->details->directories_not_done_loading == NULL) {
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nautilus_directory_emit_done_loading (NAUTILUS_DIRECTORY (merged));
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}
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}
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static void
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monitor_add_directory (gpointer key,
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gpointer value,
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gpointer callback_data)
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{
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MergedMonitor *monitor;
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monitor = value;
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nautilus_directory_file_monitor_add
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(NAUTILUS_DIRECTORY (callback_data), monitor,
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monitor->monitor_hidden_files,
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monitor->monitor_backup_files,
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monitor->monitor_attributes,
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forward_files_added_cover, monitor->merged);
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}
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static void
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merged_add_real_directory (NautilusMergedDirectory *merged,
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NautilusDirectory *real_directory)
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{
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g_return_if_fail (NAUTILUS_IS_MERGED_DIRECTORY (merged));
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g_return_if_fail (NAUTILUS_IS_DIRECTORY (real_directory));
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g_return_if_fail (!NAUTILUS_IS_MERGED_DIRECTORY (real_directory));
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g_return_if_fail (g_list_find (merged->details->directories, real_directory) == NULL);
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/* Add to our list of directories. */
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nautilus_directory_ref (real_directory);
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merged->details->directories = g_list_prepend
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(merged->details->directories, real_directory);
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merged->details->directories_not_done_loading = g_list_prepend
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(merged->details->directories_not_done_loading, real_directory);
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g_signal_connect_object (real_directory, "done_loading",
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G_CALLBACK (done_loading_callback), merged, 0);
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/* FIXME bugzilla.gnome.org 45084: The done_loading part won't work for the case where
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* we have no directories in our list.
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*/
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/* Add the directory to any extant monitors. */
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g_hash_table_foreach (merged->details->monitors,
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monitor_add_directory,
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real_directory);
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/* FIXME bugzilla.gnome.org 42541: Do we need to add the directory to callbacks too? */
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g_signal_connect_object (real_directory, "files_added",
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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
|
|
nautilus_merged_directory_add_real_directory (NautilusMergedDirectory *merged,
|
|
NautilusDirectory *real_directory)
|
|
{
|
|
g_return_if_fail (NAUTILUS_IS_MERGED_DIRECTORY (merged));
|
|
g_return_if_fail (NAUTILUS_IS_DIRECTORY (real_directory));
|
|
g_return_if_fail (!NAUTILUS_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 *
|
|
nautilus_merged_directory_get_real_directories (NautilusMergedDirectory *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, NAUTILUS_DIRECTORY (callback_data));
|
|
}
|
|
|
|
static void
|
|
monitor_remove_directory (gpointer key,
|
|
gpointer value,
|
|
gpointer callback_data)
|
|
{
|
|
nautilus_directory_file_monitor_remove
|
|
(NAUTILUS_DIRECTORY (callback_data), value);
|
|
}
|
|
|
|
static void
|
|
real_directory_notify_files_removed (NautilusDirectory *real_directory)
|
|
{
|
|
GList *files, *l;
|
|
|
|
files = nautilus_directory_get_file_list (real_directory);
|
|
|
|
for (l = files; l; l = l->next) {
|
|
NautilusFile *file;
|
|
char *uri;
|
|
|
|
file = NAUTILUS_FILE (l->data);
|
|
uri = nautilus_file_get_uri (file);
|
|
nautilus_file_unref (file);
|
|
|
|
l->data = uri;
|
|
}
|
|
|
|
if (files) {
|
|
nautilus_directory_notify_files_removed_by_uri (files);
|
|
}
|
|
|
|
eel_g_list_free_deep (files);
|
|
}
|
|
|
|
static void
|
|
merged_remove_real_directory (NautilusMergedDirectory *merged,
|
|
NautilusDirectory *real_directory)
|
|
{
|
|
g_return_if_fail (NAUTILUS_IS_MERGED_DIRECTORY (merged));
|
|
g_return_if_fail (NAUTILUS_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);
|
|
nautilus_directory_unref (real_directory);
|
|
}
|
|
|
|
void
|
|
nautilus_merged_directory_remove_real_directory (NautilusMergedDirectory *merged,
|
|
NautilusDirectory *real_directory)
|
|
{
|
|
g_return_if_fail (NAUTILUS_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)
|
|
{
|
|
NautilusMergedDirectory *merged;
|
|
|
|
merged = NAUTILUS_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);
|
|
nautilus_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
|
|
nautilus_merged_directory_init (NautilusMergedDirectory *merged)
|
|
{
|
|
merged->details = g_new0 (NautilusMergedDirectoryDetails, 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
|
|
nautilus_merged_directory_class_init (NautilusMergedDirectoryClass *class)
|
|
{
|
|
NautilusDirectoryClass *directory_class;
|
|
|
|
directory_class = NAUTILUS_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 NautilusMergedDirectory->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 (NautilusMergedDirectoryClass,
|
|
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 (NautilusMergedDirectoryClass,
|
|
remove_real_directory),
|
|
NULL, NULL,
|
|
g_cclosure_marshal_VOID__POINTER,
|
|
G_TYPE_NONE, 1, G_TYPE_POINTER);
|
|
}
|