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-rw-r--r--libcaja-private/caja-vfs-file.c781
1 files changed, 781 insertions, 0 deletions
diff --git a/libcaja-private/caja-vfs-file.c b/libcaja-private/caja-vfs-file.c
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+++ b/libcaja-private/caja-vfs-file.c
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*-
+
+ caja-vfs-file.c: Subclass of CajaFile to help implement the
+ virtual trash directory.
+
+ Copyright (C) 1999, 2000, 2001 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ Author: Darin Adler <[email protected]>
+*/
+
+#include <config.h>
+#include "caja-vfs-file.h"
+
+#include "caja-directory-notify.h"
+#include "caja-directory-private.h"
+#include "caja-file-private.h"
+#include "caja-autorun.h"
+#include <eel/eel-gtk-macros.h>
+#include <glib/gi18n.h>
+
+static void caja_vfs_file_init (gpointer object,
+ gpointer klass);
+static void caja_vfs_file_class_init (gpointer klass);
+
+EEL_CLASS_BOILERPLATE (CajaVFSFile,
+ caja_vfs_file,
+ CAJA_TYPE_FILE)
+
+static void
+vfs_file_monitor_add (CajaFile *file,
+ gconstpointer client,
+ CajaFileAttributes attributes)
+{
+ caja_directory_monitor_add_internal
+ (file->details->directory, file,
+ client, TRUE, TRUE, attributes, NULL, NULL);
+}
+
+static void
+vfs_file_monitor_remove (CajaFile *file,
+ gconstpointer client)
+{
+ caja_directory_monitor_remove_internal
+ (file->details->directory, file, client);
+}
+
+static void
+vfs_file_call_when_ready (CajaFile *file,
+ CajaFileAttributes file_attributes,
+ CajaFileCallback callback,
+ gpointer callback_data)
+
+{
+ caja_directory_call_when_ready_internal
+ (file->details->directory, file,
+ file_attributes, FALSE, NULL, callback, callback_data);
+}
+
+static void
+vfs_file_cancel_call_when_ready (CajaFile *file,
+ CajaFileCallback callback,
+ gpointer callback_data)
+{
+ caja_directory_cancel_callback_internal
+ (file->details->directory, file,
+ NULL, callback, callback_data);
+}
+
+static gboolean
+vfs_file_check_if_ready (CajaFile *file,
+ CajaFileAttributes file_attributes)
+{
+ return caja_directory_check_if_ready_internal
+ (file->details->directory, file,
+ file_attributes);
+}
+
+static void
+set_metadata_get_info_callback (GObject *source_object,
+ GAsyncResult *res,
+ gpointer callback_data)
+{
+ CajaFile *file;
+ GFileInfo *new_info;
+ GError *error;
+
+ file = callback_data;
+
+ error = NULL;
+ new_info = g_file_query_info_finish (G_FILE (source_object), res, &error);
+ if (new_info != NULL)
+ {
+ if (caja_file_update_info (file, new_info))
+ {
+ caja_file_changed (file);
+ }
+ g_object_unref (new_info);
+ }
+ caja_file_unref (file);
+ if (error)
+ {
+ g_error_free (error);
+ }
+}
+
+static void
+set_metadata_callback (GObject *source_object,
+ GAsyncResult *result,
+ gpointer callback_data)
+{
+ CajaFile *file;
+ GError *error;
+ gboolean res;
+
+ file = callback_data;
+
+ error = NULL;
+ res = g_file_set_attributes_finish (G_FILE (source_object),
+ result,
+ NULL,
+ &error);
+
+ if (res)
+ {
+ g_file_query_info_async (G_FILE (source_object),
+ CAJA_FILE_DEFAULT_ATTRIBUTES,
+ 0,
+ G_PRIORITY_DEFAULT,
+ NULL,
+ set_metadata_get_info_callback, file);
+ }
+ else
+ {
+ caja_file_unref (file);
+ g_error_free (error);
+ }
+}
+
+static void
+vfs_file_set_metadata (CajaFile *file,
+ const char *key,
+ const char *value)
+{
+ GFileInfo *info;
+ GFile *location;
+ char *gio_key;
+
+ info = g_file_info_new ();
+
+ gio_key = g_strconcat ("metadata::", key, NULL);
+ if (value != NULL)
+ {
+ g_file_info_set_attribute_string (info, gio_key, value);
+ }
+ else
+ {
+ /* Unset the key */
+ g_file_info_set_attribute (info, gio_key,
+ G_FILE_ATTRIBUTE_TYPE_INVALID,
+ NULL);
+ }
+ g_free (gio_key);
+
+ location = caja_file_get_location (file);
+ g_file_set_attributes_async (location,
+ info,
+ 0,
+ G_PRIORITY_DEFAULT,
+ NULL,
+ set_metadata_callback,
+ caja_file_ref (file));
+ g_object_unref (location);
+ g_object_unref (info);
+}
+
+static void
+vfs_file_set_metadata_as_list (CajaFile *file,
+ const char *key,
+ char **value)
+{
+ GFile *location;
+ GFileInfo *info;
+ char *gio_key;
+
+ info = g_file_info_new ();
+
+ gio_key = g_strconcat ("metadata::", key, NULL);
+ g_file_info_set_attribute_stringv (info, gio_key, value);
+ g_free (gio_key);
+
+ location = caja_file_get_location (file);
+ g_file_set_attributes_async (location,
+ info,
+ 0,
+ G_PRIORITY_DEFAULT,
+ NULL,
+ set_metadata_callback,
+ caja_file_ref (file));
+ g_object_unref (info);
+ g_object_unref (location);
+}
+
+static gboolean
+vfs_file_get_item_count (CajaFile *file,
+ guint *count,
+ gboolean *count_unreadable)
+{
+ if (count_unreadable != NULL)
+ {
+ *count_unreadable = file->details->directory_count_failed;
+ }
+ if (!file->details->got_directory_count)
+ {
+ if (count != NULL)
+ {
+ *count = 0;
+ }
+ return FALSE;
+ }
+ if (count != NULL)
+ {
+ *count = file->details->directory_count;
+ }
+ return TRUE;
+}
+
+static CajaRequestStatus
+vfs_file_get_deep_counts (CajaFile *file,
+ guint *directory_count,
+ guint *file_count,
+ guint *unreadable_directory_count,
+ goffset *total_size)
+{
+ GFileType type;
+
+ 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;
+ }
+
+ if (!caja_file_is_directory (file))
+ {
+ return CAJA_REQUEST_DONE;
+ }
+
+ if (file->details->deep_counts_status != CAJA_REQUEST_NOT_STARTED)
+ {
+ if (directory_count != NULL)
+ {
+ *directory_count = file->details->deep_directory_count;
+ }
+ if (file_count != NULL)
+ {
+ *file_count = file->details->deep_file_count;
+ }
+ if (unreadable_directory_count != NULL)
+ {
+ *unreadable_directory_count = file->details->deep_unreadable_count;
+ }
+ if (total_size != NULL)
+ {
+ *total_size = file->details->deep_size;
+ }
+ return file->details->deep_counts_status;
+ }
+
+ /* For directories, or before we know the type, we haven't started. */
+ type = caja_file_get_file_type (file);
+ if (type == G_FILE_TYPE_UNKNOWN
+ || type == G_FILE_TYPE_DIRECTORY)
+ {
+ return CAJA_REQUEST_NOT_STARTED;
+ }
+
+ /* For other types, we are done, and the zeros are permanent. */
+ return CAJA_REQUEST_DONE;
+}
+
+static gboolean
+vfs_file_get_date (CajaFile *file,
+ CajaDateType date_type,
+ time_t *date)
+{
+ switch (date_type)
+ {
+ case CAJA_DATE_TYPE_CHANGED:
+ /* Before we have info on a file, the date is unknown. */
+ if (file->details->ctime == 0)
+ {
+ return FALSE;
+ }
+ if (date != NULL)
+ {
+ *date = file->details->ctime;
+ }
+ return TRUE;
+ case CAJA_DATE_TYPE_ACCESSED:
+ /* Before we have info on a file, the date is unknown. */
+ if (file->details->atime == 0)
+ {
+ return FALSE;
+ }
+ if (date != NULL)
+ {
+ *date = file->details->atime;
+ }
+ return TRUE;
+ case CAJA_DATE_TYPE_MODIFIED:
+ /* Before we have info on a file, the date is unknown. */
+ if (file->details->mtime == 0)
+ {
+ return FALSE;
+ }
+ if (date != NULL)
+ {
+ *date = file->details->mtime;
+ }
+ return TRUE;
+ case CAJA_DATE_TYPE_TRASHED:
+ /* Before we have info on a file, the date is unknown. */
+ if (file->details->trash_time == 0)
+ {
+ return FALSE;
+ }
+ if (date != NULL)
+ {
+ *date = file->details->trash_time;
+ }
+ return TRUE;
+ case CAJA_DATE_TYPE_PERMISSIONS_CHANGED:
+ /* Before we have info on a file, the date is unknown. */
+ if (file->details->mtime == 0 || file->details->ctime == 0)
+ {
+ return FALSE;
+ }
+ /* mtime is when the contents changed; ctime is when the
+ * contents or the permissions (inc. owner/group) changed.
+ * So we can only know when the permissions changed if mtime
+ * and ctime are different.
+ */
+ if (file->details->mtime == file->details->ctime)
+ {
+ return FALSE;
+ }
+ if (date != NULL)
+ {
+ *date = file->details->ctime;
+ }
+ return TRUE;
+ }
+ return FALSE;
+}
+
+static char *
+vfs_file_get_where_string (CajaFile *file)
+{
+ return caja_file_get_parent_uri_for_display (file);
+}
+
+static void
+vfs_file_mount_callback (GObject *source_object,
+ GAsyncResult *res,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ GFile *mounted_on;
+ GError *error;
+
+ op = callback_data;
+
+ error = NULL;
+ mounted_on = g_file_mount_mountable_finish (G_FILE (source_object),
+ res, &error);
+ caja_file_operation_complete (op, mounted_on, error);
+ if (mounted_on)
+ {
+ g_object_unref (mounted_on);
+ }
+ if (error)
+ {
+ g_error_free (error);
+ }
+}
+
+
+static void
+vfs_file_mount (CajaFile *file,
+ GMountOperation *mount_op,
+ GCancellable *cancellable,
+ CajaFileOperationCallback callback,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ GError *error;
+ GFile *location;
+
+ if (file->details->type != G_FILE_TYPE_MOUNTABLE)
+ {
+ if (callback)
+ {
+ error = NULL;
+ g_set_error_literal (&error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("This file cannot be mounted"));
+ callback (file, NULL, error, callback_data);
+ g_error_free (error);
+ }
+ return;
+ }
+
+ op = caja_file_operation_new (file, callback, callback_data);
+ if (cancellable)
+ {
+ g_object_unref (op->cancellable);
+ op->cancellable = g_object_ref (cancellable);
+ }
+
+ location = caja_file_get_location (file);
+ g_file_mount_mountable (location,
+ 0,
+ mount_op,
+ op->cancellable,
+ vfs_file_mount_callback,
+ op);
+ g_object_unref (location);
+}
+
+static void
+vfs_file_unmount_callback (GObject *source_object,
+ GAsyncResult *res,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ gboolean unmounted;
+ GError *error;
+
+ op = callback_data;
+
+ error = NULL;
+ unmounted = g_file_unmount_mountable_with_operation_finish (G_FILE (source_object),
+ res, &error);
+
+ if (!unmounted &&
+ error->domain == G_IO_ERROR &&
+ (error->code == G_IO_ERROR_FAILED_HANDLED ||
+ error->code == G_IO_ERROR_CANCELLED))
+ {
+ g_error_free (error);
+ error = NULL;
+ }
+
+ caja_file_operation_complete (op, G_FILE (source_object), error);
+ if (error)
+ {
+ g_error_free (error);
+ }
+}
+
+static void
+vfs_file_unmount (CajaFile *file,
+ GMountOperation *mount_op,
+ GCancellable *cancellable,
+ CajaFileOperationCallback callback,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ GFile *location;
+
+ op = caja_file_operation_new (file, callback, callback_data);
+ if (cancellable)
+ {
+ g_object_unref (op->cancellable);
+ op->cancellable = g_object_ref (cancellable);
+ }
+
+ location = caja_file_get_location (file);
+ g_file_unmount_mountable_with_operation (location,
+ G_MOUNT_UNMOUNT_NONE,
+ mount_op,
+ op->cancellable,
+ vfs_file_unmount_callback,
+ op);
+ g_object_unref (location);
+}
+
+static void
+vfs_file_eject_callback (GObject *source_object,
+ GAsyncResult *res,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ gboolean ejected;
+ GError *error;
+
+ op = callback_data;
+
+ error = NULL;
+ ejected = g_file_eject_mountable_with_operation_finish (G_FILE (source_object),
+ res, &error);
+
+ if (!ejected &&
+ error->domain == G_IO_ERROR &&
+ (error->code == G_IO_ERROR_FAILED_HANDLED ||
+ error->code == G_IO_ERROR_CANCELLED))
+ {
+ g_error_free (error);
+ error = NULL;
+ }
+
+ caja_file_operation_complete (op, G_FILE (source_object), error);
+ if (error)
+ {
+ g_error_free (error);
+ }
+}
+
+static void
+vfs_file_eject (CajaFile *file,
+ GMountOperation *mount_op,
+ GCancellable *cancellable,
+ CajaFileOperationCallback callback,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ GFile *location;
+
+ op = caja_file_operation_new (file, callback, callback_data);
+ if (cancellable)
+ {
+ g_object_unref (op->cancellable);
+ op->cancellable = g_object_ref (cancellable);
+ }
+
+ location = caja_file_get_location (file);
+ g_file_eject_mountable_with_operation (location,
+ G_MOUNT_UNMOUNT_NONE,
+ mount_op,
+ op->cancellable,
+ vfs_file_eject_callback,
+ op);
+ g_object_unref (location);
+}
+
+static void
+vfs_file_start_callback (GObject *source_object,
+ GAsyncResult *res,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ gboolean started;
+ GError *error;
+
+ op = callback_data;
+
+ error = NULL;
+ started = g_file_start_mountable_finish (G_FILE (source_object),
+ res, &error);
+
+ if (!started &&
+ error->domain == G_IO_ERROR &&
+ (error->code == G_IO_ERROR_FAILED_HANDLED ||
+ error->code == G_IO_ERROR_CANCELLED))
+ {
+ g_error_free (error);
+ error = NULL;
+ }
+
+ caja_file_operation_complete (op, G_FILE (source_object), error);
+ if (error)
+ {
+ g_error_free (error);
+ }
+}
+
+
+static void
+vfs_file_start (CajaFile *file,
+ GMountOperation *mount_op,
+ GCancellable *cancellable,
+ CajaFileOperationCallback callback,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ GError *error;
+ GFile *location;
+
+ if (file->details->type != G_FILE_TYPE_MOUNTABLE)
+ {
+ if (callback)
+ {
+ error = NULL;
+ g_set_error_literal (&error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED,
+ _("This file cannot be started"));
+ callback (file, NULL, error, callback_data);
+ g_error_free (error);
+ }
+ return;
+ }
+
+ op = caja_file_operation_new (file, callback, callback_data);
+ if (cancellable)
+ {
+ g_object_unref (op->cancellable);
+ op->cancellable = g_object_ref (cancellable);
+ }
+
+ location = caja_file_get_location (file);
+ g_file_start_mountable (location,
+ 0,
+ mount_op,
+ op->cancellable,
+ vfs_file_start_callback,
+ op);
+ g_object_unref (location);
+}
+
+static void
+vfs_file_stop_callback (GObject *source_object,
+ GAsyncResult *res,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ gboolean stopped;
+ GError *error;
+
+ op = callback_data;
+
+ error = NULL;
+ stopped = g_file_stop_mountable_finish (G_FILE (source_object),
+ res, &error);
+
+ if (!stopped &&
+ error->domain == G_IO_ERROR &&
+ (error->code == G_IO_ERROR_FAILED_HANDLED ||
+ error->code == G_IO_ERROR_CANCELLED))
+ {
+ g_error_free (error);
+ error = NULL;
+ }
+
+ caja_file_operation_complete (op, G_FILE (source_object), error);
+ if (error)
+ {
+ g_error_free (error);
+ }
+}
+
+static void
+vfs_file_stop (CajaFile *file,
+ GMountOperation *mount_op,
+ GCancellable *cancellable,
+ CajaFileOperationCallback callback,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ GFile *location;
+
+ op = caja_file_operation_new (file, callback, callback_data);
+ if (cancellable)
+ {
+ g_object_unref (op->cancellable);
+ op->cancellable = g_object_ref (cancellable);
+ }
+
+ location = caja_file_get_location (file);
+ g_file_stop_mountable (location,
+ G_MOUNT_UNMOUNT_NONE,
+ mount_op,
+ op->cancellable,
+ vfs_file_stop_callback,
+ op);
+ g_object_unref (location);
+}
+
+static void
+vfs_file_poll_callback (GObject *source_object,
+ GAsyncResult *res,
+ gpointer callback_data)
+{
+ CajaFileOperation *op;
+ gboolean stopped;
+ GError *error;
+
+ op = callback_data;
+
+ error = NULL;
+ stopped = g_file_poll_mountable_finish (G_FILE (source_object),
+ res, &error);
+
+ if (!stopped &&
+ error->domain == G_IO_ERROR &&
+ (error->code == G_IO_ERROR_FAILED_HANDLED ||
+ error->code == G_IO_ERROR_CANCELLED))
+ {
+ g_error_free (error);
+ error = NULL;
+ }
+
+ caja_file_operation_complete (op, G_FILE (source_object), error);
+ if (error)
+ {
+ g_error_free (error);
+ }
+}
+
+static void
+vfs_file_poll_for_media (CajaFile *file)
+{
+ CajaFileOperation *op;
+ GFile *location;
+
+ op = caja_file_operation_new (file, NULL, NULL);
+
+ location = caja_file_get_location (file);
+ g_file_poll_mountable (location,
+ op->cancellable,
+ vfs_file_poll_callback,
+ op);
+ g_object_unref (location);
+}
+
+static void
+caja_vfs_file_init (gpointer object, gpointer klass)
+{
+ CajaVFSFile *file;
+
+ file = CAJA_VFS_FILE (object);
+
+}
+
+static void
+caja_vfs_file_class_init (gpointer klass)
+{
+ CajaFileClass *file_class;
+
+ file_class = CAJA_FILE_CLASS (klass);
+
+ file_class->monitor_add = vfs_file_monitor_add;
+ file_class->monitor_remove = vfs_file_monitor_remove;
+ file_class->call_when_ready = vfs_file_call_when_ready;
+ file_class->cancel_call_when_ready = vfs_file_cancel_call_when_ready;
+ file_class->check_if_ready = vfs_file_check_if_ready;
+ file_class->get_item_count = vfs_file_get_item_count;
+ file_class->get_deep_counts = vfs_file_get_deep_counts;
+ file_class->get_date = vfs_file_get_date;
+ file_class->get_where_string = vfs_file_get_where_string;
+ file_class->set_metadata = vfs_file_set_metadata;
+ file_class->set_metadata_as_list = vfs_file_set_metadata_as_list;
+ file_class->mount = vfs_file_mount;
+ file_class->unmount = vfs_file_unmount;
+ file_class->eject = vfs_file_eject;
+ file_class->start = vfs_file_start;
+ file_class->stop = vfs_file_stop;
+ file_class->poll_for_media = vfs_file_poll_for_media;
+}
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