nautilus-3.6.3/libnautilus-private/nautilus-search-directory-file.c

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  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/gtk.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 	GList *file_list;
101 
102 	if (count) {
103 		file_list = nautilus_directory_get_file_list (file->details->directory);
104 
105 		*count = g_list_length (file_list);
106 
107 		nautilus_file_list_free (file_list);
108 	}
109 
110 	return TRUE;
111 }
112 
113 static NautilusRequestStatus
114 search_directory_file_get_deep_counts (NautilusFile *file,
115 				       guint *directory_count,
116 				       guint *file_count,
117 				       guint *unreadable_directory_count,
118 				       goffset *total_size)
119 {
120 	NautilusFile *dir_file;
121 	GList *file_list, *l;
122 	guint dirs, files;
123 	GFileType type;
124 
125 	file_list = nautilus_directory_get_file_list (file->details->directory);
126 
127 	dirs = files = 0;
128 	for (l = file_list; l != NULL; l = l->next) {
129 		dir_file = NAUTILUS_FILE (l->data);
130 		type = nautilus_file_get_file_type (dir_file);
131 		if (type == G_FILE_TYPE_DIRECTORY) {
132 			dirs++;
133 		} else {
134 			files++;
135 		}
136 	}
137 
138 	if (directory_count != NULL) {
139 		*directory_count = dirs;
140 	}
141 	if (file_count != NULL) {
142 		*file_count = files;
143 	}
144 	if (unreadable_directory_count != NULL) {
145 		*unreadable_directory_count = 0;
146 	}
147 	if (total_size != NULL) {
148 		/* FIXME: Maybe we want to calculate this? */
149 		*total_size = 0;
150 	}
151 	
152 	nautilus_file_list_free (file_list);
153 	
154 	return NAUTILUS_REQUEST_DONE;
155 }
156 
157 static char *
158 search_directory_file_get_where_string (NautilusFile *file)
159 {
160 	return g_strdup (_("Search"));
161 }
162 
163 void
164 nautilus_search_directory_file_update_display_name (NautilusSearchDirectoryFile *search_file)
165 {
166 	NautilusFile *file;
167 	NautilusSearchDirectory *search_dir;
168 	NautilusQuery *query;
169 	char *display_name;
170 	gboolean changed;
171 
172 	
173 	display_name = NULL;
174 	file = NAUTILUS_FILE (search_file);
175 	if (file->details->directory) {
176 		search_dir = NAUTILUS_SEARCH_DIRECTORY (file->details->directory);
177 		query = nautilus_search_directory_get_query (search_dir);
178 	
179 		if (query != NULL) {
180 			display_name = nautilus_query_to_readable_string (query);
181 			g_object_unref (query);
182 		} 
183 	}
184 
185 	if (display_name == NULL) {
186 		display_name = g_strdup (_("Search"));
187 	}
188 
189 	changed = nautilus_file_set_display_name (file, display_name, NULL, TRUE);
190 	if (changed) {
191 		nautilus_file_emit_changed (file);
192 	}
193 
194 	g_free (display_name);
195 }
196 
197 static void
198 nautilus_search_directory_file_init (NautilusSearchDirectoryFile *search_file)
199 {
200 	NautilusFile *file;
201 
202 	file = NAUTILUS_FILE (search_file);
203 
204 	file->details->got_file_info = TRUE;
205 	file->details->mime_type = eel_ref_str_get_unique ("x-directory/normal");
206 	file->details->type = G_FILE_TYPE_DIRECTORY;
207 	file->details->size = 0;
208 
209 	file->details->file_info_is_up_to_date = TRUE;
210 
211 	file->details->custom_icon = NULL;
212 	file->details->activation_uri = NULL;
213 	file->details->got_link_info = TRUE;
214 	file->details->link_info_is_up_to_date = TRUE;
215 
216 	file->details->directory_count = 0;
217 	file->details->got_directory_count = TRUE;
218 	file->details->directory_count_is_up_to_date = TRUE;
219 
220 	nautilus_file_set_display_name (file, _("Search"), NULL, TRUE);
221 }
222 
223 static void
224 nautilus_search_directory_file_class_init (NautilusSearchDirectoryFileClass *klass)
225 {
226 	NautilusFileClass *file_class;
227 
228 	file_class = NAUTILUS_FILE_CLASS (klass);
229 
230 	file_class->default_file_type = G_FILE_TYPE_DIRECTORY;
231 
232 	file_class->monitor_add = search_directory_file_monitor_add;
233 	file_class->monitor_remove = search_directory_file_monitor_remove;
234 	file_class->call_when_ready = search_directory_file_call_when_ready;
235 	file_class->cancel_call_when_ready = search_directory_file_cancel_call_when_ready;
236 	file_class->check_if_ready = search_directory_file_check_if_ready;
237 	file_class->get_item_count = search_directory_file_get_item_count;
238 	file_class->get_deep_counts = search_directory_file_get_deep_counts;
239 	file_class->get_where_string = search_directory_file_get_where_string;
240 }