nautilus-desktop-icon-file.c 8.86 KB
Newer Older
Alexander Larsson's avatar
Alexander Larsson committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-

   nautilus-desktop-icon-file.c: Subclass of NautilusFile to help implement the
   virtual desktop icons.
 
   Copyright (C) 2003 Red Hat, 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., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
  
   Author: Alexander Larsson <alexl@redhat.com>
*/

#include <config.h>
#include "nautilus-desktop-icon-file.h"

#include "nautilus-directory-notify.h"
#include "nautilus-directory-private.h"
#include "nautilus-file-attributes.h"
#include "nautilus-file-private.h"
#include "nautilus-file-utilities.h"
#include <eel/eel-glib-extensions.h>
#include "nautilus-desktop-directory.h"
36
#include <glib/gi18n.h>
Alexander Larsson's avatar
Alexander Larsson committed
37
#include <string.h>
38
#include <gio/gio.h>
Alexander Larsson's avatar
Alexander Larsson committed
39 40 41 42 43

struct NautilusDesktopIconFileDetails {
	NautilusDesktopLink *link;
};

Alexander Larsson's avatar
Alexander Larsson committed
44
G_DEFINE_TYPE(NautilusDesktopIconFile, nautilus_desktop_icon_file, NAUTILUS_TYPE_FILE)
Alexander Larsson's avatar
Alexander Larsson committed
45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113


static void
desktop_icon_file_monitor_add (NautilusFile *file,
			       gconstpointer client,
			       NautilusFileAttributes attributes)
{
	nautilus_directory_monitor_add_internal
		(file->details->directory, file,
		 client, TRUE, TRUE, attributes, NULL, NULL);
}

static void
desktop_icon_file_monitor_remove (NautilusFile *file,
				  gconstpointer client)
{
	nautilus_directory_monitor_remove_internal
		(file->details->directory, file, client);
}

static void
desktop_icon_file_call_when_ready (NautilusFile *file,
				   NautilusFileAttributes attributes,
				   NautilusFileCallback callback,
				   gpointer callback_data)
{
	nautilus_directory_call_when_ready_internal
		(file->details->directory, file,
		 attributes, FALSE, NULL, callback, callback_data);
}

static void
desktop_icon_file_cancel_call_when_ready (NautilusFile *file,
					  NautilusFileCallback callback,
					  gpointer callback_data)
{
	nautilus_directory_cancel_callback_internal
		(file->details->directory, file,
		 NULL, callback, callback_data);
}

static gboolean
desktop_icon_file_check_if_ready (NautilusFile *file,
				  NautilusFileAttributes attributes)
{
	return nautilus_directory_check_if_ready_internal
		(file->details->directory, file,
		 attributes);
}

static gboolean
desktop_icon_file_get_item_count (NautilusFile *file, 
				  guint *count,
				  gboolean *count_unreadable)
{
	if (count != NULL) {
		*count = 0;
	}
	if (count_unreadable != NULL) {
		*count_unreadable = FALSE;
	}
	return TRUE;
}

static NautilusRequestStatus
desktop_icon_file_get_deep_counts (NautilusFile *file,
				   guint *directory_count,
				   guint *file_count,
				   guint *unreadable_directory_count,
Alexander Larsson's avatar
Alexander Larsson committed
114
				   goffset *total_size)
Alexander Larsson's avatar
Alexander Larsson committed
115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151
{
	if (directory_count != NULL) {
		*directory_count = 0;
	}
	if (file_count != NULL) {
		*file_count = 0;
	}
	if (unreadable_directory_count != NULL) {
		*unreadable_directory_count = 0;
	}
	if (total_size != NULL) {
		*total_size = 0;
	}

	return NAUTILUS_REQUEST_DONE;
}

static gboolean
desktop_icon_file_get_date (NautilusFile *file,
			    NautilusDateType date_type,
			    time_t *date)
{
	NautilusDesktopIconFile *desktop_file;

	desktop_file = NAUTILUS_DESKTOP_ICON_FILE (file);

	return nautilus_desktop_link_get_date (desktop_file->details->link,
					       date_type, date);
}

static char *
desktop_icon_file_get_where_string (NautilusFile *file)
{
	return g_strdup (_("on the desktop"));
}

static void
Alexander Larsson's avatar
Alexander Larsson committed
152
nautilus_desktop_icon_file_init (NautilusDesktopIconFile *desktop_file)
Alexander Larsson's avatar
Alexander Larsson committed
153
{
Alexander Larsson's avatar
Alexander Larsson committed
154 155 156 157
	desktop_file->details =	G_TYPE_INSTANCE_GET_PRIVATE (desktop_file,
							     NAUTILUS_TYPE_DESKTOP_ICON_FILE,
							     NautilusDesktopIconFileDetails);
}
Alexander Larsson's avatar
Alexander Larsson committed
158 159 160 161 162 163

static void
update_info_from_link (NautilusDesktopIconFile *icon_file)
{
	NautilusFile *file;
	NautilusDesktopLink *link;
Alexander Larsson's avatar
Alexander Larsson committed
164
	char *display_name;
165
	GMount *mount;
Alexander Larsson's avatar
Alexander Larsson committed
166 167 168 169 170 171 172 173
	
	file = NAUTILUS_FILE (icon_file);
	
	link = icon_file->details->link;

	if (link == NULL) {
		return;
	}
174

Alexander Larsson's avatar
Alexander Larsson committed
175 176 177 178 179 180 181 182 183 184 185
	eel_ref_str_unref (file->details->mime_type);
	file->details->mime_type = eel_ref_str_get_unique ("application/x-nautilus-link");
	file->details->type = G_FILE_TYPE_REGULAR;
	file->details->size = 0;
	file->details->has_permissions = FALSE;
	file->details->can_read = TRUE;
	file->details->can_write = TRUE;

	file->details->can_mount = FALSE;
	file->details->can_unmount = FALSE;
	file->details->can_eject = FALSE;
186 187 188 189 190 191 192 193 194 195 196 197 198 199
	mount = nautilus_desktop_link_get_mount (link);
	if (mount) {
		GDrive *drive;
		gboolean can_eject = FALSE;

		drive = g_mount_get_drive (mount);
		if (drive != NULL) {
			can_eject = g_drive_can_eject (drive);
			g_object_unref (drive);
		}

		file->details->can_unmount = g_mount_can_unmount (mount);
		file->details->can_eject = can_eject;
		g_object_unref (mount);
Alexander Larsson's avatar
Alexander Larsson committed
200
	}
Alexander Larsson's avatar
Alexander Larsson committed
201 202 203
	
	file->details->file_info_is_up_to_date = TRUE;

Alexander Larsson's avatar
Alexander Larsson committed
204 205 206 207 208 209 210 211 212 213 214 215 216
	display_name = nautilus_desktop_link_get_display_name (link);
	nautilus_file_set_display_name (file,
					display_name, NULL, TRUE);
	g_free (display_name);

	if (file->details->icon != NULL) {
		g_object_unref (file->details->icon);
	}
	file->details->icon = nautilus_desktop_link_get_icon (link);
	if (file->details->activation_location) {
		g_object_unref (file->details->activation_location);
	}
	file->details->activation_location = nautilus_desktop_link_get_activation_location (link);
Alexander Larsson's avatar
Alexander Larsson committed
217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269
	file->details->got_link_info = TRUE;
	file->details->link_info_is_up_to_date = TRUE;

	file->details->directory_count = 0;
	file->details->got_directory_count = TRUE;
	file->details->directory_count_is_up_to_date = TRUE;
}

void
nautilus_desktop_icon_file_update (NautilusDesktopIconFile *icon_file)
{
	NautilusFile *file;
	
	update_info_from_link (icon_file);
	file = NAUTILUS_FILE (icon_file);
	nautilus_file_changed (file);
}

void
nautilus_desktop_icon_file_remove (NautilusDesktopIconFile *icon_file)
{
	NautilusFile *file;
	GList list;

	icon_file->details->link = NULL;

	file = NAUTILUS_FILE (icon_file);
	
	/* ref here because we might be removing the last ref when we
	 * mark the file gone below, but we need to keep a ref at
	 * least long enough to send the change notification. 
	 */
	nautilus_file_ref (file);
	
	file->details->is_gone = TRUE;
	
	list.data = file;
	list.next = NULL;
	list.prev = NULL;
	
	nautilus_directory_remove_file (file->details->directory, file);
	nautilus_directory_emit_change_signals (file->details->directory, &list);
	
	nautilus_file_unref (file);
}

NautilusDesktopIconFile *
nautilus_desktop_icon_file_new (NautilusDesktopLink *link)
{
	NautilusFile *file;
	NautilusDirectory *directory;
	NautilusDesktopIconFile *icon_file;
	GList list;
Alexander Larsson's avatar
Alexander Larsson committed
270 271 272
	char *name;

	directory = nautilus_directory_get_by_uri (EEL_DESKTOP_URI);
Alexander Larsson's avatar
Alexander Larsson committed
273 274 275 276 277 278 279 280 281 282 283 284 285 286

	file = NAUTILUS_FILE (g_object_new (NAUTILUS_TYPE_DESKTOP_ICON_FILE, NULL));

#ifdef NAUTILUS_FILE_DEBUG_REF
	printf("%10p ref'd\n", file);
	eazel_dump_stack_trace ("\t", 10);
#endif

	file->details->directory = directory;

	icon_file = NAUTILUS_DESKTOP_ICON_FILE (file);
	icon_file->details->link = link;

	name = nautilus_desktop_link_get_file_name (link);
Alexander Larsson's avatar
Alexander Larsson committed
287
	file->details->name = eel_ref_str_new (name);
Alexander Larsson's avatar
Alexander Larsson committed
288 289 290
	g_free (name);

	update_info_from_link (icon_file);
Alexander Larsson's avatar
Alexander Larsson committed
291

Alexander Larsson's avatar
Alexander Larsson committed
292 293 294 295 296 297 298 299 300 301
	nautilus_directory_add_file (directory, file);

	list.data = file;
	list.next = NULL;
	list.prev = NULL;
	nautilus_directory_emit_files_added (directory, &list);

	return icon_file;
}

302
/* Note: This can return NULL if the link was recently removed (i.e. unmounted) */
Alexander Larsson's avatar
Alexander Larsson committed
303 304 305
NautilusDesktopLink *
nautilus_desktop_icon_file_get_link (NautilusDesktopIconFile *icon_file)
{
306 307 308 309
	if (icon_file->details->link)
		return g_object_ref (icon_file->details->link);
	else
		return NULL;
Alexander Larsson's avatar
Alexander Larsson committed
310 311 312
}

static void
Alexander Larsson's avatar
Alexander Larsson committed
313
nautilus_desktop_icon_file_class_init (NautilusDesktopIconFileClass *klass)
Alexander Larsson's avatar
Alexander Larsson committed
314 315 316 317 318 319 320
{
	GObjectClass *object_class;
	NautilusFileClass *file_class;

	object_class = G_OBJECT_CLASS (klass);
	file_class = NAUTILUS_FILE_CLASS (klass);

Alexander Larsson's avatar
Alexander Larsson committed
321 322
	file_class->default_file_type = G_FILE_TYPE_DIRECTORY;
	
Alexander Larsson's avatar
Alexander Larsson committed
323 324 325 326 327 328 329 330 331
	file_class->monitor_add = desktop_icon_file_monitor_add;
	file_class->monitor_remove = desktop_icon_file_monitor_remove;
	file_class->call_when_ready = desktop_icon_file_call_when_ready;
	file_class->cancel_call_when_ready = desktop_icon_file_cancel_call_when_ready;
	file_class->check_if_ready = desktop_icon_file_check_if_ready;
	file_class->get_item_count = desktop_icon_file_get_item_count;
	file_class->get_deep_counts = desktop_icon_file_get_deep_counts;
	file_class->get_date = desktop_icon_file_get_date;
	file_class->get_where_string = desktop_icon_file_get_where_string;
Alexander Larsson's avatar
Alexander Larsson committed
332 333

	g_type_class_add_private (object_class, sizeof(NautilusDesktopIconFileDetails));
Alexander Larsson's avatar
Alexander Larsson committed
334
}