libnautilus-private/nautilus-search-directory-file.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
   2
   3    nautilus-search-directory-file.c: Subclass of NautilusFile to help implement the
   4    searches
   5
   6    Copyright (C) 2005 Novell, Inc.
   7
   8    This program is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2 of the
  11    License, or (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16    General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public
  19    License along with this program; if not, write to the
  20    Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  21    Boston, MA 02111-1307, USA.
  22
  23    Author: Anders Carlsson <andersca@imendio.com>
  24 */
  25
  26 #include <config.h>
  27 #include "nautilus-search-directory-file.h"
  28
  29 #include "nautilus-directory-notify.h"
  30 #include "nautilus-directory-private.h"
  31 #include "nautilus-file-attributes.h"
  32 #include "nautilus-file-private.h"
  33 #include "nautilus-file-utilities.h"
  34 #include <eel/eel-glib-extensions.h>
  35 #include "nautilus-search-directory.h"
  36 #include <gtk/gtksignal.h>
  37 #include <glib/gi18n.h>
  38 #include <string.h>
  39
  40 struct NautilusSearchDirectoryFileDetails {
  41         NautilusSearchDirectory *search_directory;
  42 };
  43
  44 G_DEFINE_TYPE(NautilusSearchDirectoryFile, nautilus_search_directory_file, NAUTILUS_TYPE_FILE);
  45
  46
  47 static void
  48 search_directory_file_monitor_add (NautilusFile *file,
  49                                    gconstpointer client,
  50                                    NautilusFileAttributes attributes)
  51 {
  52         /* No need for monitoring, we always emit changed when files
  53            are added/removed, and no other metadata changes */
  54
  55         /* Update display name, in case this didn't happen yet */
  56         nautilus_search_directory_file_update_display_name (NAUTILUS_SEARCH_DIRECTORY_FILE (file));
  57 }
  58
  59 static void
  60 search_directory_file_monitor_remove (NautilusFile *file,
  61                                       gconstpointer client)
  62 {
  63         /* Do nothing here, we don't have any monitors */
  64 }
  65
  66 static void
  67 search_directory_file_call_when_ready (NautilusFile *file,
  68                                        NautilusFileAttributes file_attributes,
  69                                        NautilusFileCallback callback,
  70                                        gpointer callback_data)
  71
  72 {
  73         /* Update display name, in case this didn't happen yet */
  74         nautilus_search_directory_file_update_display_name (NAUTILUS_SEARCH_DIRECTORY_FILE (file));
  75
  76         /* All data for directory-as-file is always uptodate */
  77         (* callback) (file, callback_data);
  78 }
  79
  80 static void
  81 search_directory_file_cancel_call_when_ready (NautilusFile *file,
  82                                                NautilusFileCallback callback,
  83                                                gpointer callback_data)
  84 {
  85         /* Do nothing here, we don't have any pending calls */
  86 }
  87
  88 static gboolean
  89 search_directory_file_check_if_ready (NautilusFile *file,
  90                                       NautilusFileAttributes attributes)
  91 {
  92         return TRUE;
  93 }
  94
  95 static gboolean
  96 search_directory_file_get_item_count (NautilusFile *file,
  97                                       guint *count,
  98                                       gboolean *count_unreadable)
  99 {
 100         NautilusSearchDirectory *search_dir;
 101         GList *file_list;
 102
 103         if (count) {
 104                 search_dir = NAUTILUS_SEARCH_DIRECTORY (file->details->directory);
 105
 106                 file_list = nautilus_directory_get_file_list (file->details->directory);
 107
 108                 *count = g_list_length (file_list);
 109
 110                 nautilus_file_list_free (file_list);
 111         }
 112
 113         return TRUE;
 114 }
 115
 116 static NautilusRequestStatus
 117 search_directory_file_get_deep_counts (NautilusFile *file,
 118                                        guint *directory_count,
 119                                        guint *file_count,
 120                                        guint *unreadable_directory_count,
 121                                        goffset *total_size)
 122 {
 123         NautilusSearchDirectory *search_dir;
 124         NautilusFile *dir_file;
 125         GList *file_list, *l;
 126         guint dirs, files;
 127         GFileType type;
 128
 129         search_dir = NAUTILUS_SEARCH_DIRECTORY (file->details->directory);
 130
 131         file_list = nautilus_directory_get_file_list (file->details->directory);
 132
 133         dirs = files = 0;
 134         for (l = file_list; l != NULL; l = l->next) {
 135                 dir_file = NAUTILUS_FILE (l->data);
 136                 type = nautilus_file_get_file_type (dir_file);
 137                 if (type == G_FILE_TYPE_DIRECTORY) {
 138                         dirs++;
 139                 } else {
 140                         files++;
 141                 }
 142         }
 143
 144         if (directory_count != NULL) {
 145                 *directory_count = dirs;
 146         }
 147         if (file_count != NULL) {
 148                 *file_count = files;
 149         }
 150         if (unreadable_directory_count != NULL) {
 151                 *unreadable_directory_count = 0;
 152         }
 153         if (total_size != NULL) {
 154                 /* FIXME: Maybe we want to calculate this? */
 155                 *total_size = 0;
 156         }
 157
 158         nautilus_file_list_free (file_list);
 159
 160         return NAUTILUS_REQUEST_DONE;
 161 }
 162
 163 static char *
 164 search_directory_file_get_where_string (NautilusFile *file)
 165 {
 166         return g_strdup (_("Search"));
 167 }
 168
 169 void
 170 nautilus_search_directory_file_update_display_name (NautilusSearchDirectoryFile *search_file)
 171 {
 172         NautilusFile *file;
 173         NautilusSearchDirectory *search_dir;
 174         NautilusQuery *query;
 175         char *display_name;
 176         gboolean changed;
 177
 178
 179         display_name = NULL;
 180         file = NAUTILUS_FILE (search_file);
 181         if (file->details->directory) {
 182                 search_dir = NAUTILUS_SEARCH_DIRECTORY (file->details->directory);
 183                 query = nautilus_search_directory_get_query (search_dir);
 184
 185                 if (query != NULL) {
 186                         display_name = nautilus_query_to_readable_string (query);
 187                         g_object_unref (query);
 188                 }
 189         }
 190
 191         if (display_name == NULL) {
 192                 display_name = g_strdup (_("Search"));
 193         }
 194
 195         changed = nautilus_file_set_display_name (file, display_name, NULL, FALSE);
 196         if (changed) {
 197                 nautilus_file_emit_changed (file);
 198         }
 199 }
 200
 201 static void
 202 nautilus_search_directory_file_init (NautilusSearchDirectoryFile *search_file)
 203 {
 204         NautilusFile *file;
 205
 206         file = NAUTILUS_FILE (search_file);
 207
 208         file->details->got_file_info = TRUE;
 209         file->details->mime_type = eel_ref_str_get_unique ("x-directory/normal");
 210         file->details->type = G_FILE_TYPE_DIRECTORY;
 211         file->details->size = 0;
 212
 213         file->details->file_info_is_up_to_date = TRUE;
 214
 215         file->details->custom_icon = NULL;
 216         file->details->activation_location = NULL;
 217         file->details->got_link_info = TRUE;
 218         file->details->link_info_is_up_to_date = TRUE;
 219
 220         file->details->directory_count = 0;
 221         file->details->got_directory_count = TRUE;
 222         file->details->directory_count_is_up_to_date = TRUE;
 223
 224         nautilus_file_set_display_name (file, _("Search"), NULL, FALSE);
 225 }
 226
 227 static void
 228 nautilus_search_directory_file_class_init (NautilusSearchDirectoryFileClass *klass)
 229 {
 230         GObjectClass *object_class;
 231         NautilusFileClass *file_class;
 232
 233         object_class = G_OBJECT_CLASS (klass);
 234         file_class = NAUTILUS_FILE_CLASS (klass);
 235
 236         file_class->default_file_type = G_FILE_TYPE_DIRECTORY;
 237
 238         file_class->monitor_add = search_directory_file_monitor_add;
 239         file_class->monitor_remove = search_directory_file_monitor_remove;
 240         file_class->call_when_ready = search_directory_file_call_when_ready;
 241         file_class->cancel_call_when_ready = search_directory_file_cancel_call_when_ready;
 242         file_class->check_if_ready = search_directory_file_check_if_ready;
 243         file_class->get_item_count = search_directory_file_get_item_count;
 244         file_class->get_deep_counts = search_directory_file_get_deep_counts;
 245         file_class->get_where_string = search_directory_file_get_where_string;
 246 }