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gtk2/gtk/gtkfilesystemunix.c
Matthias Clasen 721c3bc101 Replace a lot of idle and timeout calls by the new gdk_threads api. 
2006-12-22  Matthias Clasen  <mclasen@redhat.com>

        * *.c: Replace a lot of idle and timeout calls by
        the new gdk_threads api.
2006-12-22 19:10:43 +00:00

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/* GTK - The GIMP Toolkit
* gtkfilesystemunix.c: Default implementation of GtkFileSystem for UNIX-like systems
* Copyright (C) 2003, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* #define this if you want the program to crash when a file system gets
* finalized while async handles are still outstanding.
*/
#undef HANDLE_ME_HARDER
#include <config.h>
#include "gtkfilesystem.h"
#include "gtkfilesystemunix.h"
#include "gtkicontheme.h"
#include "gtkintl.h"
#include "gtkstock.h"
#include "gtkalias.h"
#define XDG_PREFIX _gtk_xdg
#include "xdgmime/xdgmime.h"
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <pwd.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <stdio.h>
#include <time.h>
#define BOOKMARKS_FILENAME ".gtk-bookmarks"
#define HIDDEN_FILENAME ".hidden"
#define FOLDER_CACHE_LIFETIME 2 /* seconds */
typedef struct _GtkFileSystemUnixClass GtkFileSystemUnixClass;
#define GTK_FILE_SYSTEM_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass))
#define GTK_IS_FILE_SYSTEM_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_SYSTEM_UNIX))
#define GTK_FILE_SYSTEM_UNIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass))
struct _GtkFileSystemUnixClass
{
GObjectClass parent_class;
};
struct _GtkFileSystemUnix
{
GObject parent_instance;
GHashTable *folder_hash;
/* For /afs and /net */
struct stat afs_statbuf;
struct stat net_statbuf;
GHashTable *handles;
guint execute_callbacks_idle_id;
GSList *callbacks;
guint have_afs : 1;
guint have_net : 1;
};
/* Icon type, supplemented by MIME type
*/
typedef enum {
ICON_UNDECIDED, /* Only used while we have not yet computed the icon in a struct stat_info_entry */
ICON_NONE, /* "Could not compute the icon type" */
ICON_REGULAR, /* Use mime type for icon */
ICON_BLOCK_DEVICE,
ICON_BROKEN_SYMBOLIC_LINK,
ICON_CHARACTER_DEVICE,
ICON_DIRECTORY,
ICON_EXECUTABLE,
ICON_FIFO,
ICON_SOCKET
} IconType;
#define GTK_TYPE_FILE_FOLDER_UNIX (_gtk_file_folder_unix_get_type ())
#define GTK_FILE_FOLDER_UNIX(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnix))
#define GTK_IS_FILE_FOLDER_UNIX(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_FILE_FOLDER_UNIX))
#define GTK_FILE_FOLDER_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass))
#define GTK_IS_FILE_FOLDER_UNIX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_FOLDER_UNIX))
#define GTK_FILE_FOLDER_UNIX_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass))
typedef struct _GtkFileFolderUnix GtkFileFolderUnix;
typedef struct _GtkFileFolderUnixClass GtkFileFolderUnixClass;
struct _GtkFileFolderUnixClass
{
GObjectClass parent_class;
};
struct _GtkFileFolderUnix
{
GObject parent_instance;
GtkFileSystemUnix *system_unix;
GtkFileInfoType types;
gchar *filename;
GHashTable *stat_info;
guint load_folder_id;
guint have_stat : 1;
guint have_mime_type : 1;
guint is_network_dir : 1;
guint have_hidden : 1;
guint is_finished_loading : 1;
time_t asof;
};
struct stat_info_entry {
struct stat statbuf;
char *mime_type;
IconType icon_type;
gboolean hidden;
};
static const GtkFileInfoType STAT_NEEDED_MASK = (GTK_FILE_INFO_IS_FOLDER |
GTK_FILE_INFO_MODIFICATION_TIME |
GTK_FILE_INFO_SIZE |
GTK_FILE_INFO_ICON);
static void gtk_file_system_unix_iface_init (GtkFileSystemIface *iface);
static void gtk_file_system_unix_dispose (GObject *object);
static void gtk_file_system_unix_finalize (GObject *object);
static GSList * gtk_file_system_unix_list_volumes (GtkFileSystem *file_system);
static GtkFileSystemVolume *gtk_file_system_unix_get_volume_for_path (GtkFileSystem *file_system,
const GtkFilePath *path);
static GtkFileSystemHandle *gtk_file_system_unix_get_folder (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFileInfoType types,
GtkFileSystemGetFolderCallback callback,
gpointer data);
static GtkFileSystemHandle *gtk_file_system_unix_get_info (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFileInfoType types,
GtkFileSystemGetInfoCallback callback,
gpointer data);
static GtkFileSystemHandle *gtk_file_system_unix_create_folder (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFileSystemCreateFolderCallback callback,
gpointer data);
static void gtk_file_system_unix_cancel_operation (GtkFileSystemHandle *handle);
static void gtk_file_system_unix_volume_free (GtkFileSystem *file_system,
GtkFileSystemVolume *volume);
static GtkFilePath *gtk_file_system_unix_volume_get_base_path (GtkFileSystem *file_system,
GtkFileSystemVolume *volume);
static gboolean gtk_file_system_unix_volume_get_is_mounted (GtkFileSystem *file_system,
GtkFileSystemVolume *volume);
static GtkFileSystemHandle *gtk_file_system_unix_volume_mount (GtkFileSystem *file_system,
GtkFileSystemVolume *volume,
GtkFileSystemVolumeMountCallback callback,
gpointer data);
static gchar * gtk_file_system_unix_volume_get_display_name (GtkFileSystem *file_system,
GtkFileSystemVolume *volume);
static gchar * gtk_file_system_unix_volume_get_icon_name (GtkFileSystem *file_system,
GtkFileSystemVolume *volume,
GError **error);
static gboolean gtk_file_system_unix_get_parent (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFilePath **parent,
GError **error);
static GtkFilePath * gtk_file_system_unix_make_path (GtkFileSystem *file_system,
const GtkFilePath *base_path,
const gchar *display_name,
GError **error);
static gboolean gtk_file_system_unix_parse (GtkFileSystem *file_system,
const GtkFilePath *base_path,
const gchar *str,
GtkFilePath **folder,
gchar **file_part,
GError **error);
static gchar * gtk_file_system_unix_path_to_uri (GtkFileSystem *file_system,
const GtkFilePath *path);
static gchar * gtk_file_system_unix_path_to_filename (GtkFileSystem *file_system,
const GtkFilePath *path);
static GtkFilePath *gtk_file_system_unix_uri_to_path (GtkFileSystem *file_system,
const gchar *uri);
static GtkFilePath *gtk_file_system_unix_filename_to_path (GtkFileSystem *file_system,
const gchar *filename);
static gboolean gtk_file_system_unix_insert_bookmark (GtkFileSystem *file_system,
const GtkFilePath *path,
gint position,
GError **error);
static gboolean gtk_file_system_unix_remove_bookmark (GtkFileSystem *file_system,
const GtkFilePath *path,
GError **error);
static GSList * gtk_file_system_unix_list_bookmarks (GtkFileSystem *file_system);
static gchar * gtk_file_system_unix_get_bookmark_label (GtkFileSystem *file_system,
const GtkFilePath *path);
static void gtk_file_system_unix_set_bookmark_label (GtkFileSystem *file_system,
const GtkFilePath *path,
const gchar *label);
static void gtk_file_folder_unix_iface_init (GtkFileFolderIface *iface);
static void gtk_file_folder_unix_finalize (GObject *object);
static GtkFileInfo *gtk_file_folder_unix_get_info (GtkFileFolder *folder,
const GtkFilePath *path,
GError **error);
static gboolean gtk_file_folder_unix_list_children (GtkFileFolder *folder,
GSList **children,
GError **error);
static gboolean gtk_file_folder_unix_is_finished_loading (GtkFileFolder *folder);
static GtkFilePath *filename_to_path (const gchar *filename);
static gboolean filename_is_root (const char *filename);
static gboolean get_is_hidden_for_file (const char *filename,
const char *basename);
static gboolean file_is_hidden (GtkFileFolderUnix *folder_unix,
const char *basename);
static GtkFileInfo *file_info_for_root_with_error (const char *root_name,
GError **error);
static gboolean stat_with_error (const char *filename,
struct stat *statbuf,
GError **error);
static GtkFileInfo *create_file_info (GtkFileFolderUnix *folder_unix,
const char *filename,
const char *basename,
GtkFileInfoType types,
struct stat *statbuf,
const char *mime_type);
static gboolean execute_callbacks (gpointer data);
static gboolean fill_in_names (GtkFileFolderUnix *folder_unix,
GError **error);
static void fill_in_stats (GtkFileFolderUnix *folder_unix);
static void fill_in_mime_type (GtkFileFolderUnix *folder_unix);
static void fill_in_hidden (GtkFileFolderUnix *folder_unix);
static gboolean cb_fill_in_stats (gpointer key,
gpointer value,
gpointer user_data);
static gboolean cb_fill_in_mime_type (gpointer key,
gpointer value,
gpointer user_data);
static char * get_parent_dir (const char *filename);
/*
* GtkFileSystemUnix
*/
G_DEFINE_TYPE_WITH_CODE (GtkFileSystemUnix, gtk_file_system_unix, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GTK_TYPE_FILE_SYSTEM,
gtk_file_system_unix_iface_init))
/*
* GtkFileFolderUnix
*/
G_DEFINE_TYPE_WITH_CODE (GtkFileFolderUnix, _gtk_file_folder_unix, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GTK_TYPE_FILE_FOLDER,
gtk_file_folder_unix_iface_init))
/**
* gtk_file_system_unix_new:
*
* Creates a new #GtkFileSystemUnix object. #GtkFileSystemUnix
* implements the #GtkFileSystem interface with direct access to
* the filesystem using Unix/Linux API calls
*
* Return value: the new #GtkFileSystemUnix object
**/
GtkFileSystem *
gtk_file_system_unix_new (void)
{
return g_object_new (GTK_TYPE_FILE_SYSTEM_UNIX, NULL);
}
static void
gtk_file_system_unix_class_init (GtkFileSystemUnixClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
gobject_class->dispose = gtk_file_system_unix_dispose;
gobject_class->finalize = gtk_file_system_unix_finalize;
}
static void
gtk_file_system_unix_iface_init (GtkFileSystemIface *iface)
{
iface->list_volumes = gtk_file_system_unix_list_volumes;
iface->get_volume_for_path = gtk_file_system_unix_get_volume_for_path;
iface->get_folder = gtk_file_system_unix_get_folder;
iface->get_info = gtk_file_system_unix_get_info;
iface->create_folder = gtk_file_system_unix_create_folder;
iface->cancel_operation = gtk_file_system_unix_cancel_operation;
iface->volume_free = gtk_file_system_unix_volume_free;
iface->volume_get_base_path = gtk_file_system_unix_volume_get_base_path;
iface->volume_get_is_mounted = gtk_file_system_unix_volume_get_is_mounted;
iface->volume_mount = gtk_file_system_unix_volume_mount;
iface->volume_get_display_name = gtk_file_system_unix_volume_get_display_name;
iface->volume_get_icon_name = gtk_file_system_unix_volume_get_icon_name;
iface->get_parent = gtk_file_system_unix_get_parent;
iface->make_path = gtk_file_system_unix_make_path;
iface->parse = gtk_file_system_unix_parse;
iface->path_to_uri = gtk_file_system_unix_path_to_uri;
iface->path_to_filename = gtk_file_system_unix_path_to_filename;
iface->uri_to_path = gtk_file_system_unix_uri_to_path;
iface->filename_to_path = gtk_file_system_unix_filename_to_path;
iface->insert_bookmark = gtk_file_system_unix_insert_bookmark;
iface->remove_bookmark = gtk_file_system_unix_remove_bookmark;
iface->list_bookmarks = gtk_file_system_unix_list_bookmarks;
iface->get_bookmark_label = gtk_file_system_unix_get_bookmark_label;
iface->set_bookmark_label = gtk_file_system_unix_set_bookmark_label;
}
static void
gtk_file_system_unix_init (GtkFileSystemUnix *system_unix)
{
system_unix->folder_hash = g_hash_table_new (g_str_hash, g_str_equal);
if (stat ("/afs", &system_unix->afs_statbuf) == 0)
system_unix->have_afs = TRUE;
else
system_unix->have_afs = FALSE;
if (stat ("/net", &system_unix->net_statbuf) == 0)
system_unix->have_net = TRUE;
else
system_unix->have_net = FALSE;
system_unix->handles = g_hash_table_new (g_direct_hash, g_direct_equal);
system_unix->execute_callbacks_idle_id = 0;
system_unix->callbacks = NULL;
}
static void
check_handle_fn (gpointer key, gpointer value, gpointer data)
{
GtkFileSystemHandle *handle;
int *num_live_handles;
handle = key;
num_live_handles = data;
(*num_live_handles)++;
g_warning ("file_system_unix=%p still has handle=%p at finalization which is %s!",
handle->file_system,
handle,
handle->cancelled ? "CANCELLED" : "NOT CANCELLED");
}
static void
check_handles_at_finalization (GtkFileSystemUnix *system_unix)
{
int num_live_handles;
num_live_handles = 0;
g_hash_table_foreach (system_unix->handles, check_handle_fn, &num_live_handles);
#ifdef HANDLE_ME_HARDER
g_assert (num_live_handles == 0);
#endif
g_hash_table_destroy (system_unix->handles);
system_unix->handles = NULL;
}
#define GTK_TYPE_FILE_SYSTEM_HANDLE_UNIX (_gtk_file_system_handle_unix_get_type ())
typedef struct _GtkFileSystemHandle GtkFileSystemHandleUnix;
typedef struct _GtkFileSystemHandleClass GtkFileSystemHandleUnixClass;
G_DEFINE_TYPE (GtkFileSystemHandleUnix, _gtk_file_system_handle_unix, GTK_TYPE_FILE_SYSTEM_HANDLE)
static void
_gtk_file_system_handle_unix_init (GtkFileSystemHandleUnix *handle)
{
}
static void
_gtk_file_system_handle_unix_finalize (GObject *object)
{
GtkFileSystemHandleUnix *handle;
GtkFileSystemUnix *system_unix;
handle = (GtkFileSystemHandleUnix *)object;
system_unix = GTK_FILE_SYSTEM_UNIX (GTK_FILE_SYSTEM_HANDLE (handle)->file_system);
g_assert (g_hash_table_lookup (system_unix->handles, handle) != NULL);
g_hash_table_remove (system_unix->handles, handle);
if (G_OBJECT_CLASS (_gtk_file_system_handle_unix_parent_class)->finalize)
G_OBJECT_CLASS (_gtk_file_system_handle_unix_parent_class)->finalize (object);
}
static void
_gtk_file_system_handle_unix_class_init (GtkFileSystemHandleUnixClass *class)
{
GObjectClass *gobject_class = (GObjectClass *) class;
gobject_class->finalize = _gtk_file_system_handle_unix_finalize;
}
static void
gtk_file_system_unix_dispose (GObject *object)
{
GtkFileSystemUnix *system_unix;
system_unix = GTK_FILE_SYSTEM_UNIX (object);
if (system_unix->execute_callbacks_idle_id)
{
g_source_remove (system_unix->execute_callbacks_idle_id);
system_unix->execute_callbacks_idle_id = 0;
/* call pending callbacks */
execute_callbacks (system_unix);
}
G_OBJECT_CLASS (gtk_file_system_unix_parent_class)->dispose (object);
}
static void
gtk_file_system_unix_finalize (GObject *object)
{
GtkFileSystemUnix *system_unix;
system_unix = GTK_FILE_SYSTEM_UNIX (object);
check_handles_at_finalization (system_unix);
/* FIXME: assert that the hash is empty? */
g_hash_table_destroy (system_unix->folder_hash);
G_OBJECT_CLASS (gtk_file_system_unix_parent_class)->finalize (object);
}
/* Returns our single root volume */
static GtkFileSystemVolume *
get_root_volume (void)
{
return (GtkFileSystemVolume *) gtk_file_path_new_dup ("/");
}
static GSList *
gtk_file_system_unix_list_volumes (GtkFileSystem *file_system)
{
return g_slist_append (NULL, get_root_volume ());
}
static GtkFileSystemVolume *
gtk_file_system_unix_get_volume_for_path (GtkFileSystem *file_system,
const GtkFilePath *path)
{
return get_root_volume ();
}
static char *
remove_trailing_slash (const char *filename)
{
int len;
len = strlen (filename);
if (len > 1 && filename[len - 1] == '/')
return g_strndup (filename, len - 1);
else
return g_memdup (filename, len + 1);
}
/* Delay callback dispatching
*/
enum callback_types
{
CALLBACK_GET_INFO,
CALLBACK_GET_FOLDER,
CALLBACK_CREATE_FOLDER,
CALLBACK_VOLUME_MOUNT
};
static void queue_callback (GtkFileSystemUnix *system_unix, enum callback_types type, gpointer data);
struct get_info_callback
{
GtkFileSystemGetInfoCallback callback;
GtkFileSystemHandle *handle;
GtkFileInfo *file_info;
GError *error;
gpointer data;
};
static inline void
dispatch_get_info_callback (struct get_info_callback *info)
{
(* info->callback) (info->handle, info->file_info, info->error, info->data);
if (info->file_info)
gtk_file_info_free (info->file_info);
if (info->error)
g_error_free (info->error);
g_object_unref (info->handle);
g_free (info);
}
static inline void
queue_get_info_callback (GtkFileSystemGetInfoCallback callback,
GtkFileSystemHandle *handle,
GtkFileInfo *file_info,
GError *error,
gpointer data)
{
struct get_info_callback *info;
info = g_new (struct get_info_callback, 1);
info->callback = callback;
info->handle = handle;
info->file_info = file_info;
info->error = error;
info->data = data;
queue_callback (GTK_FILE_SYSTEM_UNIX (handle->file_system), CALLBACK_GET_INFO, info);
}
struct get_folder_callback
{
GtkFileSystemGetFolderCallback callback;
GtkFileSystemHandle *handle;
GtkFileFolder *folder;
GError *error;
gpointer data;
};
static inline void
dispatch_get_folder_callback (struct get_folder_callback *info)
{
(* info->callback) (info->handle, info->folder, info->error, info->data);
if (info->error)
g_error_free (info->error);
g_object_unref (info->handle);
g_free (info);
}
static inline void
queue_get_folder_callback (GtkFileSystemGetFolderCallback callback,
GtkFileSystemHandle *handle,
GtkFileFolder *folder,
GError *error,
gpointer data)
{
struct get_folder_callback *info;
info = g_new (struct get_folder_callback, 1);
info->callback = callback;
info->handle = handle;
info->folder = folder;
info->error = error;
info->data = data;
queue_callback (GTK_FILE_SYSTEM_UNIX (handle->file_system), CALLBACK_GET_FOLDER, info);
}
struct create_folder_callback
{
GtkFileSystemCreateFolderCallback callback;
GtkFileSystemHandle *handle;
GtkFilePath *path;
GError *error;
gpointer data;
};
static inline void
dispatch_create_folder_callback (struct create_folder_callback *info)
{
(* info->callback) (info->handle, info->path, info->error, info->data);
if (info->error)
g_error_free (info->error);
if (info->path)
gtk_file_path_free (info->path);
g_object_unref (info->handle);
g_free (info);
}
static inline void
queue_create_folder_callback (GtkFileSystemCreateFolderCallback callback,
GtkFileSystemHandle *handle,
const GtkFilePath *path,
GError *error,
gpointer data)
{
struct create_folder_callback *info;
info = g_new (struct create_folder_callback, 1);
info->callback = callback;
info->handle = handle;
info->path = gtk_file_path_copy (path);
info->error = error;
info->data = data;
queue_callback (GTK_FILE_SYSTEM_UNIX (handle->file_system), CALLBACK_CREATE_FOLDER, info);
}
struct volume_mount_callback
{
GtkFileSystemVolumeMountCallback callback;
GtkFileSystemHandle *handle;
GtkFileSystemVolume *volume;
GError *error;
gpointer data;
};
static inline void
dispatch_volume_mount_callback (struct volume_mount_callback *info)
{
(* info->callback) (info->handle, info->volume, info->error, info->data);
if (info->error)
g_error_free (info->error);
g_object_unref (info->handle);
g_free (info);
}
static inline void
queue_volume_mount_callback (GtkFileSystemVolumeMountCallback callback,
GtkFileSystemHandle *handle,
GtkFileSystemVolume *volume,
GError *error,
gpointer data)
{
struct volume_mount_callback *info;
info = g_new (struct volume_mount_callback, 1);
info->callback = callback;
info->handle = handle;
info->volume = volume;
info->error = error;
info->data = data;
queue_callback (GTK_FILE_SYSTEM_UNIX (handle->file_system), CALLBACK_VOLUME_MOUNT, info);
}
struct callback_info
{
enum callback_types type;
union
{
struct get_info_callback *get_info;
struct get_folder_callback *get_folder;
struct create_folder_callback *create_folder;
struct volume_mount_callback *volume_mount;
} info;
};
static gboolean
execute_callbacks (gpointer data)
{
GSList *l;
gboolean unref_file_system = TRUE;
GtkFileSystemUnix *system_unix = GTK_FILE_SYSTEM_UNIX (data);
if (!system_unix->execute_callbacks_idle_id)
unref_file_system = FALSE;
else
g_object_ref (system_unix);
for (l = system_unix->callbacks; l; l = l->next)
{
struct callback_info *info = l->data;
switch (info->type)
{
case CALLBACK_GET_INFO:
dispatch_get_info_callback (info->info.get_info);
break;
case CALLBACK_GET_FOLDER:
dispatch_get_folder_callback (info->info.get_folder);
break;
case CALLBACK_CREATE_FOLDER:
dispatch_create_folder_callback (info->info.create_folder);
break;
case CALLBACK_VOLUME_MOUNT:
dispatch_volume_mount_callback (info->info.volume_mount);
break;
}
g_free (info);
}
g_slist_free (system_unix->callbacks);
system_unix->callbacks = NULL;
if (unref_file_system)
g_object_unref (system_unix);
system_unix->execute_callbacks_idle_id = 0;
}
static void
queue_callback (GtkFileSystemUnix *system_unix,
enum callback_types type,
gpointer data)
{
struct callback_info *info;
info = g_new (struct callback_info, 1);
info->type = type;
switch (type)
{
case CALLBACK_GET_INFO:
info->info.get_info = data;
break;
case CALLBACK_GET_FOLDER:
info->info.get_folder = data;
break;
case CALLBACK_CREATE_FOLDER:
info->info.create_folder = data;
break;
case CALLBACK_VOLUME_MOUNT:
info->info.volume_mount = data;
break;
}
system_unix->callbacks = g_slist_append (system_unix->callbacks, info);
if (!system_unix->execute_callbacks_idle_id)
system_unix->execute_callbacks_idle_id = gdk_threads_add_idle (execute_callbacks, system_unix);
}
static GtkFileSystemHandle *
create_handle (GtkFileSystem *file_system)
{
GtkFileSystemUnix *system_unix;
GtkFileSystemHandle *handle;
system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
handle = g_object_new (GTK_TYPE_FILE_SYSTEM_HANDLE_UNIX, NULL);
handle->file_system = file_system;
g_assert (g_hash_table_lookup (system_unix->handles, handle) == NULL);
g_hash_table_insert (system_unix->handles, handle, handle);
return handle;
}
static GtkFileSystemHandle *
gtk_file_system_unix_get_info (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFileInfoType types,
GtkFileSystemGetInfoCallback callback,
gpointer data)
{
GError *error = NULL;
GtkFileSystemUnix *system_unix;
GtkFileSystemHandle *handle;
const char *filename;
GtkFileInfo *info;
gchar *basename;
struct stat statbuf;
const char *mime_type;
system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
handle = create_handle (file_system);
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
if (!stat_with_error (filename, &statbuf, &error))
{
g_object_ref (handle);
queue_get_info_callback (callback, handle, NULL, error, data);
return handle;
}
if ((types & GTK_FILE_INFO_MIME_TYPE) != 0)
mime_type = xdg_mime_get_mime_type_for_file (filename, &statbuf);
else
mime_type = NULL;
basename = g_path_get_basename (filename);
info = create_file_info (NULL, filename, basename, types, &statbuf,
mime_type);
g_free (basename);
g_object_ref (handle);
queue_get_info_callback (callback, handle, info, NULL, data);
return handle;
}
static gboolean
load_folder (gpointer data)
{
GtkFileFolderUnix *folder_unix = data;
GSList *children;
if ((folder_unix->types & STAT_NEEDED_MASK) != 0)
fill_in_stats (folder_unix);
if ((folder_unix->types & GTK_FILE_INFO_MIME_TYPE) != 0)
fill_in_mime_type (folder_unix);
if (gtk_file_folder_unix_list_children (GTK_FILE_FOLDER (folder_unix), &children, NULL))
{
folder_unix->is_finished_loading = TRUE;
g_signal_emit_by_name (folder_unix, "files-added", children);
gtk_file_paths_free (children);
}
folder_unix->load_folder_id = 0;
g_signal_emit_by_name (folder_unix, "finished-loading", 0);
return FALSE;
}
static GtkFileSystemHandle *
gtk_file_system_unix_get_folder (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFileInfoType types,
GtkFileSystemGetFolderCallback callback,
gpointer data)
{
GError *error = NULL;
GtkFileSystemUnix *system_unix;
GtkFileFolderUnix *folder_unix;
GtkFileSystemHandle *handle;
const char *filename;
char *filename_copy;
gboolean set_asof = FALSE;
system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
handle = create_handle (file_system);
filename_copy = remove_trailing_slash (filename);
folder_unix = g_hash_table_lookup (system_unix->folder_hash, filename_copy);
if (folder_unix)
{
g_free (filename_copy);
if (folder_unix->stat_info &&
time (NULL) - folder_unix->asof >= FOLDER_CACHE_LIFETIME)
{
#if 0
g_print ("Cleaning out cached directory %s\n", filename);
#endif
g_hash_table_destroy (folder_unix->stat_info);
folder_unix->stat_info = NULL;
folder_unix->have_mime_type = FALSE;
folder_unix->have_stat = FALSE;
folder_unix->have_hidden = FALSE;
set_asof = TRUE;
}
g_object_ref (folder_unix);
folder_unix->types |= types;
types = folder_unix->types;
}
else
{
struct stat statbuf;
int result;
int code;
int my_errno;
code = my_errno = 0; /* shut up GCC */
result = stat (filename, &statbuf);
if (result == 0)
{
if (!S_ISDIR (statbuf.st_mode))
{
result = -1;
code = GTK_FILE_SYSTEM_ERROR_NOT_FOLDER;
my_errno = ENOTDIR;
}
}
else
{
my_errno = errno;
if (my_errno == ENOENT)
code = GTK_FILE_SYSTEM_ERROR_NONEXISTENT;
else
code = GTK_FILE_SYSTEM_ERROR_FAILED;
}
if (result != 0)
{
gchar *display_name = g_filename_display_name (filename);
g_set_error (&error,
GTK_FILE_SYSTEM_ERROR,
code,
_("Error getting information for '%s': %s"),
display_name,
g_strerror (my_errno));
g_object_ref (handle);
queue_get_folder_callback (callback, handle, NULL, error, data);
g_free (display_name);
g_free (filename_copy);
return handle;
}
folder_unix = g_object_new (GTK_TYPE_FILE_FOLDER_UNIX, NULL);
folder_unix->system_unix = system_unix;
folder_unix->filename = filename_copy;
folder_unix->types = types;
folder_unix->stat_info = NULL;
folder_unix->load_folder_id = 0;
folder_unix->have_mime_type = FALSE;
folder_unix->have_stat = FALSE;
folder_unix->have_hidden = FALSE;
folder_unix->is_finished_loading = FALSE;
set_asof = TRUE;
if ((system_unix->have_afs &&
system_unix->afs_statbuf.st_dev == statbuf.st_dev &&
system_unix->afs_statbuf.st_ino == statbuf.st_ino) ||
(system_unix->have_net &&
system_unix->net_statbuf.st_dev == statbuf.st_dev &&
system_unix->net_statbuf.st_ino == statbuf.st_ino))
folder_unix->is_network_dir = TRUE;
else
folder_unix->is_network_dir = FALSE;
g_hash_table_insert (system_unix->folder_hash,
folder_unix->filename,
folder_unix);
}
if (set_asof)
folder_unix->asof = time (NULL);
g_object_ref (handle);
queue_get_folder_callback (callback, handle, GTK_FILE_FOLDER (folder_unix), NULL, data);
/* Start loading the folder contents in an idle */
if (!folder_unix->load_folder_id)
folder_unix->load_folder_id =
gdk_threads_add_idle ((GSourceFunc) load_folder, folder_unix);
return handle;
}
static GtkFileSystemHandle *
gtk_file_system_unix_create_folder (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFileSystemCreateFolderCallback callback,
gpointer data)
{
GError *error = NULL;
GtkFileSystemUnix *system_unix;
GtkFileSystemHandle *handle;
const char *filename;
gboolean result;
char *parent, *tmp;
int save_errno = errno;
system_unix = GTK_FILE_SYSTEM_UNIX (file_system);
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
handle = create_handle (file_system);
tmp = remove_trailing_slash (filename);
errno = 0;
result = mkdir (tmp, 0777) == 0;
save_errno = errno;
g_free (tmp);
if (!result)
{
gchar *display_name = g_filename_display_name (filename);
g_set_error (&error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
_("Error creating directory '%s': %s"),
display_name,
g_strerror (save_errno));
g_object_ref (handle);
queue_create_folder_callback (callback, handle, path, error, data);
g_free (display_name);
return handle;
}
g_object_ref (handle);
queue_create_folder_callback (callback, handle, path, NULL, data);
parent = get_parent_dir (filename);
if (parent)
{
GtkFileFolderUnix *folder_unix;
folder_unix = g_hash_table_lookup (system_unix->folder_hash, parent);
if (folder_unix)
{
GSList *paths;
char *basename;
struct stat_info_entry *entry;
/* Make sure the new folder exists in the parent's folder */
entry = g_new0 (struct stat_info_entry, 1);
if (folder_unix->is_network_dir)
{
entry->statbuf.st_mode = S_IFDIR;
entry->mime_type = g_strdup ("x-directory/normal");
}
basename = g_path_get_basename (filename);
g_hash_table_insert (folder_unix->stat_info,
basename,
entry);
if (folder_unix->have_stat)
{
/* Cheating */
if ((folder_unix->types & STAT_NEEDED_MASK) != 0)
cb_fill_in_stats (basename, entry, folder_unix);
if ((folder_unix->types & GTK_FILE_INFO_MIME_TYPE) != 0)
cb_fill_in_mime_type (basename, entry, folder_unix);
}
paths = g_slist_append (NULL, (GtkFilePath *) path);
g_signal_emit_by_name (folder_unix, "files-added", paths);
g_slist_free (paths);
}
g_free (parent);
}
return handle;
}
static void
gtk_file_system_unix_cancel_operation (GtkFileSystemHandle *handle)
{
/* We don't set "cancelled" to TRUE here, since the actual operation
* is executed in the function itself and not in a callback. So
* the operations can never be cancelled (since they will be already
* completed at this point.
*/
}
static void
gtk_file_system_unix_volume_free (GtkFileSystem *file_system,
GtkFileSystemVolume *volume)
{
GtkFilePath *path;
path = (GtkFilePath *) volume;
gtk_file_path_free (path);
}
static GtkFilePath *
gtk_file_system_unix_volume_get_base_path (GtkFileSystem *file_system,
GtkFileSystemVolume *volume)
{
return gtk_file_path_new_dup ("/");
}
static gboolean
gtk_file_system_unix_volume_get_is_mounted (GtkFileSystem *file_system,
GtkFileSystemVolume *volume)
{
return TRUE;
}
static GtkFileSystemHandle *
gtk_file_system_unix_volume_mount (GtkFileSystem *file_system,
GtkFileSystemVolume *volume,
GtkFileSystemVolumeMountCallback callback,
gpointer data)
{
GError *error = NULL;
GtkFileSystemHandle *handle = create_handle (file_system);
g_set_error (&error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_FAILED,
_("This file system does not support mounting"));
g_object_ref (handle);
queue_volume_mount_callback (callback, handle, volume, error, data);
return handle;
}
static gchar *
gtk_file_system_unix_volume_get_display_name (GtkFileSystem *file_system,
GtkFileSystemVolume *volume)
{
return g_strdup (_("File System")); /* Same as Nautilus */
}
static IconType
get_icon_type_from_stat (struct stat *statp)
{
if (S_ISBLK (statp->st_mode))
return ICON_BLOCK_DEVICE;
else if (S_ISLNK (statp->st_mode))
return ICON_BROKEN_SYMBOLIC_LINK; /* See get_icon_type */
else if (S_ISCHR (statp->st_mode))
return ICON_CHARACTER_DEVICE;
else if (S_ISDIR (statp->st_mode))
return ICON_DIRECTORY;
#ifdef S_ISFIFO
else if (S_ISFIFO (statp->st_mode))
return ICON_FIFO;
#endif
#ifdef S_ISSOCK
else if (S_ISSOCK (statp->st_mode))
return ICON_SOCKET;
#endif
else
return ICON_REGULAR;
}
static IconType
get_icon_type (const char *filename,
GError **error)
{
struct stat statbuf;
/* If stat fails, try to fall back to lstat to catch broken links
*/
if (stat (filename, &statbuf) != 0)
{
if (errno != ENOENT || lstat (filename, &statbuf) != 0)
{
int save_errno = errno;
gchar *display_name = g_filename_display_name (filename);
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
_("Error getting information for '%s': %s"),
display_name,
g_strerror (save_errno));
g_free (display_name);
return ICON_NONE;
}
}
return get_icon_type_from_stat (&statbuf);
}
/* Renders a fallback icon from the stock system */
static const gchar *
get_fallback_icon_name (IconType icon_type)
{
const char *stock_name;
switch (icon_type)
{
case ICON_BLOCK_DEVICE:
stock_name = GTK_STOCK_HARDDISK;
break;
case ICON_DIRECTORY:
stock_name = GTK_STOCK_DIRECTORY;
break;
case ICON_EXECUTABLE:
stock_name = GTK_STOCK_EXECUTE;
break;
default:
stock_name = GTK_STOCK_FILE;
break;
}
return stock_name;
}
static gchar *
gtk_file_system_unix_volume_get_icon_name (GtkFileSystem *file_system,
GtkFileSystemVolume *volume,
GError **error)
{
/* FIXME: maybe we just always want to return GTK_STOCK_HARDDISK here?
* or the new tango icon name?
*/
return g_strdup ("gnome-dev-harddisk");
}
static char *
get_parent_dir (const char *filename)
{
int len;
len = strlen (filename);
/* Ignore trailing slashes */
if (len > 1 && filename[len - 1] == '/')
{
char *tmp, *parent;
tmp = g_strndup (filename, len - 1);
parent = g_path_get_dirname (tmp);
g_free (tmp);
return parent;
}
else
return g_path_get_dirname (filename);
}
static gboolean
gtk_file_system_unix_get_parent (GtkFileSystem *file_system,
const GtkFilePath *path,
GtkFilePath **parent,
GError **error)
{
const char *filename;
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (g_path_is_absolute (filename), FALSE);
if (filename_is_root (filename))
{
*parent = NULL;
}
else
{
gchar *parent_filename = get_parent_dir (filename);
*parent = filename_to_path (parent_filename);
g_free (parent_filename);
}
return TRUE;
}
static GtkFilePath *
gtk_file_system_unix_make_path (GtkFileSystem *file_system,
const GtkFilePath *base_path,
const gchar *display_name,
GError **error)
{
const char *base_filename;
gchar *filename;
gchar *full_filename;
GError *tmp_error = NULL;
GtkFilePath *result;
base_filename = gtk_file_path_get_string (base_path);
g_return_val_if_fail (base_filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (base_filename), NULL);
if (strchr (display_name, G_DIR_SEPARATOR))
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
_("The name \"%s\" is not valid because it contains the character \"%s\". "
"Please use a different name."),
display_name,
G_DIR_SEPARATOR_S);
return NULL;
}
filename = g_filename_from_utf8 (display_name, -1, NULL, NULL, &tmp_error);
if (!filename)
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
"%s",
tmp_error->message);
g_error_free (tmp_error);
return NULL;
}
full_filename = g_build_filename (base_filename, filename, NULL);
result = filename_to_path (full_filename);
g_free (filename);
g_free (full_filename);
return result;
}
/* If this was a publically exported function, it should return
* a dup'ed result, but we make it modify-in-place for efficiency
* here, and because it works for us.
*/
static void
canonicalize_filename (gchar *filename)
{
gchar *p, *q;
gboolean last_was_slash = FALSE;
p = filename;
q = filename;
while (*p)
{
if (*p == G_DIR_SEPARATOR)
{
if (!last_was_slash)
*q++ = G_DIR_SEPARATOR;
last_was_slash = TRUE;
}
else
{
if (last_was_slash && *p == '.')
{
if (*(p + 1) == G_DIR_SEPARATOR ||
*(p + 1) == '\0')
{
if (*(p + 1) == '\0')
break;
p += 1;
}
else if (*(p + 1) == '.' &&
(*(p + 2) == G_DIR_SEPARATOR ||
*(p + 2) == '\0'))
{
if (q > filename + 1)
{
q--;
while (q > filename + 1 &&
*(q - 1) != G_DIR_SEPARATOR)
q--;
}
if (*(p + 2) == '\0')
break;
p += 2;
}
else
{
*q++ = *p;
last_was_slash = FALSE;
}
}
else
{
*q++ = *p;
last_was_slash = FALSE;
}
}
p++;
}
if (q > filename + 1 && *(q - 1) == G_DIR_SEPARATOR)
q--;
*q = '\0';
}
/* Takes a user-typed filename and expands a tilde at the beginning of the string */
static char *
expand_tilde (const char *filename)
{
const char *notilde;
const char *slash;
const char *home;
if (filename[0] != '~')
return g_strdup (filename);
notilde = filename + 1;
slash = strchr (notilde, G_DIR_SEPARATOR);
if (!slash)
return NULL;
if (slash == notilde)
{
home = g_get_home_dir ();
if (!home)
return g_strdup (filename);
}
else
{
char *username;
struct passwd *passwd;
username = g_strndup (notilde, slash - notilde);
passwd = getpwnam (username);
g_free (username);
if (!passwd)
return g_strdup (filename);
home = passwd->pw_dir;
}
return g_build_filename (home, G_DIR_SEPARATOR_S, slash + 1, NULL);
}
static gboolean
gtk_file_system_unix_parse (GtkFileSystem *file_system,
const GtkFilePath *base_path,
const gchar *str,
GtkFilePath **folder,
gchar **file_part,
GError **error)
{
const char *base_filename;
gchar *filename;
gchar *last_slash;
gboolean result = FALSE;
base_filename = gtk_file_path_get_string (base_path);
g_return_val_if_fail (base_filename != NULL, FALSE);
g_return_val_if_fail (g_path_is_absolute (base_filename), FALSE);
filename = expand_tilde (str);
if (!filename)
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
"%s", ""); /* nothing for now, as we are string-frozen */
return FALSE;
}
last_slash = strrchr (filename, G_DIR_SEPARATOR);
if (!last_slash)
{
*folder = gtk_file_path_copy (base_path);
*file_part = g_strdup (filename);
result = TRUE;
}
else
{
gchar *folder_part;
gchar *folder_path;
GError *tmp_error = NULL;
if (last_slash == filename)
folder_part = g_strdup ("/");
else
folder_part = g_filename_from_utf8 (filename, last_slash - filename,
NULL, NULL, &tmp_error);
if (!folder_part)
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
"%s",
tmp_error->message);
g_error_free (tmp_error);
}
else
{
if (folder_part[0] == G_DIR_SEPARATOR)
folder_path = folder_part;
else
{
folder_path = g_build_filename (base_filename, folder_part, NULL);
g_free (folder_part);
}
canonicalize_filename (folder_path);
*folder = filename_to_path (folder_path);
*file_part = g_strdup (last_slash + 1);
g_free (folder_path);
result = TRUE;
}
}
g_free (filename);
return result;
}
static gchar *
gtk_file_system_unix_path_to_uri (GtkFileSystem *file_system,
const GtkFilePath *path)
{
return g_filename_to_uri (gtk_file_path_get_string (path), NULL, NULL);
}
static gchar *
gtk_file_system_unix_path_to_filename (GtkFileSystem *file_system,
const GtkFilePath *path)
{
return g_strdup (gtk_file_path_get_string (path));
}
static GtkFilePath *
gtk_file_system_unix_uri_to_path (GtkFileSystem *file_system,
const gchar *uri)
{
GtkFilePath *path;
gchar *filename = g_filename_from_uri (uri, NULL, NULL);
if (filename)
{
path = filename_to_path (filename);
g_free (filename);
}
else
path = NULL;
return path;
}
static GtkFilePath *
gtk_file_system_unix_filename_to_path (GtkFileSystem *file_system,
const gchar *filename)
{
return filename_to_path (filename);
}
/* Returns the name of the icon to be used for a path which is known to be a
* directory. This can vary for Home, Desktop, etc.
*/
static const char *
get_icon_name_for_directory (const char *path)
{
static char *desktop_path = NULL;
if (!g_get_home_dir ())
return "gnome-fs-directory";
if (!desktop_path)
desktop_path = g_build_filename (g_get_home_dir (), "Desktop", NULL);
if (strcmp (g_get_home_dir (), path) == 0)
return "gnome-fs-home";
else if (strcmp (desktop_path, path) == 0)
return "gnome-fs-desktop";
else
return "gnome-fs-directory";
return NULL;
}
/* Computes our internal icon type based on a path name; also returns the MIME
* type in case we come up with ICON_REGULAR.
*/
static IconType
get_icon_type_from_path (GtkFileFolderUnix *folder_unix,
struct stat *statbuf,
const char *filename,
const char **mime_type)
{
IconType icon_type;
*mime_type = NULL;
if (folder_unix && folder_unix->have_stat)
{
char *basename;
struct stat_info_entry *entry;
g_assert (folder_unix->stat_info != NULL);
basename = g_path_get_basename (filename);
entry = g_hash_table_lookup (folder_unix->stat_info, basename);
g_free (basename);
if (entry)
{
if (entry->icon_type == ICON_UNDECIDED)
{
entry->icon_type = get_icon_type_from_stat (&entry->statbuf);
g_assert (entry->icon_type != ICON_UNDECIDED);
}
icon_type = entry->icon_type;
if (icon_type == ICON_REGULAR)
{
fill_in_mime_type (folder_unix);
*mime_type = entry->mime_type;
}
return icon_type;
}
}
if (statbuf)
return get_icon_type_from_stat (statbuf);
icon_type = get_icon_type (filename, NULL);
if (icon_type == ICON_REGULAR)
*mime_type = xdg_mime_get_mime_type_for_file (filename, NULL);
return icon_type;
}
/* Renders an icon for a non-ICON_REGULAR file */
static const gchar *
get_special_icon_name (IconType icon_type,
const gchar *filename)
{
const char *name;
g_assert (icon_type != ICON_REGULAR);
switch (icon_type)
{
case ICON_BLOCK_DEVICE:
name = "gnome-fs-blockdev";
break;
case ICON_BROKEN_SYMBOLIC_LINK:
name = "gnome-fs-symlink";
break;
case ICON_CHARACTER_DEVICE:
name = "gnome-fs-chardev";
break;
case ICON_DIRECTORY:
/* get_icon_name_for_directory() returns a dupped string */
return get_icon_name_for_directory (filename);
case ICON_EXECUTABLE:
name ="gnome-fs-executable";
break;
case ICON_FIFO:
name = "gnome-fs-fifo";
break;
case ICON_SOCKET:
name = "gnome-fs-socket";
break;
default:
g_assert_not_reached ();
return NULL;
}
return name;
}
static gchar *
get_icon_name_for_mime_type (const char *mime_type)
{
char *name;
const char *separator;
GString *icon_name;
if (!mime_type)
return NULL;
separator = strchr (mime_type, '/');
if (!separator)
return NULL; /* maybe we should return a GError with "invalid MIME-type" */
/* FIXME: we default to the gnome icon naming for now. Some question
* as below, how are we going to handle a second attempt?
*/
#if 0
icon_name = g_string_new ("");
g_string_append_len (icon_name, mime_type, separator - mime_type);
g_string_append_c (icon_name, '-');
g_string_append (icon_name, separator + 1);
pixbuf = get_cached_icon (widget, icon_name->str, pixel_size);
g_string_free (icon_name, TRUE);
if (pixbuf)
return pixbuf;
icon_name = g_string_new ("");
g_string_append_len (icon_name, mime_type, separator - mime_type);
g_string_append (icon_name, "-x-generic");
pixbuf = get_cached_icon (widget, icon_name->str, pixel_size);
g_string_free (icon_name, TRUE);
if (pixbuf)
return pixbuf;
#endif
icon_name = g_string_new ("gnome-mime-");
g_string_append_len (icon_name, mime_type, separator - mime_type);
g_string_append_c (icon_name, '-');
g_string_append (icon_name, separator + 1);
name = icon_name->str;
g_string_free (icon_name, FALSE);
return name;
/* FIXME: how are we going to implement a second attempt? */
#if 0
if (pixbuf)
return pixbuf;
icon_name = g_string_new ("gnome-mime-");
g_string_append_len (icon_name, mime_type, separator - mime_type);
pixbuf = get_cached_icon (widget, icon_name->str, pixel_size);
g_string_free (icon_name, TRUE);
return pixbuf;
#endif
}
static void
bookmark_list_free (GSList *list)
{
GSList *l;
for (l = list; l; l = l->next)
g_free (l->data);
g_slist_free (list);
}
/* Returns whether a URI is a local file:// */
static gboolean
is_local_uri (const char *uri)
{
char *filename;
char *hostname;
gboolean result;
/* This is rather crude, but hey */
filename = g_filename_from_uri (uri, &hostname, NULL);
result = (filename && !hostname);
g_free (filename);
g_free (hostname);
return result;
}
static char *
bookmark_get_filename (void)
{
char *filename;
filename = g_build_filename (g_get_home_dir (),
BOOKMARKS_FILENAME, NULL);
g_assert (filename != NULL);
return filename;
}
static gboolean
bookmark_list_read (GSList **bookmarks, GError **error)
{
gchar *filename;
gchar *contents;
gboolean result = FALSE;
filename = bookmark_get_filename ();
*bookmarks = NULL;
if (g_file_get_contents (filename, &contents, NULL, error))
{
gchar **lines = g_strsplit (contents, "\n", -1);
int i;
GHashTable *table;
table = g_hash_table_new (g_str_hash, g_str_equal);
for (i = 0; lines[i]; i++)
{
if (lines[i][0] && !g_hash_table_lookup (table, lines[i]))
{
*bookmarks = g_slist_prepend (*bookmarks, g_strdup (lines[i]));
g_hash_table_insert (table, lines[i], lines[i]);
}
}
g_free (contents);
g_hash_table_destroy (table);
g_strfreev (lines);
*bookmarks = g_slist_reverse (*bookmarks);
result = TRUE;
}
g_free (filename);
return result;
}
static gboolean
bookmark_list_write (GSList *bookmarks,
GError **error)
{
GSList *l;
GString *string;
char *filename;
GError *tmp_error = NULL;
gboolean result;
string = g_string_new ("");
for (l = bookmarks; l; l = l->next)
{
g_string_append (string, l->data);
g_string_append_c (string, '\n');
}
filename = bookmark_get_filename ();
result = g_file_set_contents (filename, string->str, -1, &tmp_error);
g_free (filename);
g_string_free (string, TRUE);
if (!result)
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_FAILED,
_("Bookmark saving failed: %s"),
tmp_error->message);
g_error_free (tmp_error);
}
return result;
}
static gboolean
gtk_file_system_unix_insert_bookmark (GtkFileSystem *file_system,
const GtkFilePath *path,
gint position,
GError **error)
{
GSList *bookmarks;
int num_bookmarks;
GSList *l;
char *uri;
gboolean result;
GError *err;
err = NULL;
if (!bookmark_list_read (&bookmarks, &err) && err->code != G_FILE_ERROR_NOENT)
{
g_propagate_error (error, err);
return FALSE;
}
num_bookmarks = g_slist_length (bookmarks);
g_return_val_if_fail (position >= -1 && position <= num_bookmarks, FALSE);
result = FALSE;
uri = gtk_file_system_unix_path_to_uri (file_system, path);
for (l = bookmarks; l; l = l->next)
{
char *bookmark, *space;
bookmark = l->data;
space = strchr (bookmark, ' ');
if (space)
*space = '\0';
if (strcmp (bookmark, uri) != 0)
{
if (space)
*space = ' ';
}
else
{
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_ALREADY_EXISTS,
_("'%s' already exists in the bookmarks list"),
uri);
goto out;
}
}
bookmarks = g_slist_insert (bookmarks, g_strdup (uri), position);
if (bookmark_list_write (bookmarks, error))
{
result = TRUE;
g_signal_emit_by_name (file_system, "bookmarks-changed", 0);
}
out:
g_free (uri);
bookmark_list_free (bookmarks);
return result;
}
static gboolean
gtk_file_system_unix_remove_bookmark (GtkFileSystem *file_system,
const GtkFilePath *path,
GError **error)
{
GSList *bookmarks;
char *uri;
GSList *l;
gboolean result;
if (!bookmark_list_read (&bookmarks, error))
return FALSE;
result = FALSE;
uri = gtk_file_system_path_to_uri (file_system, path);
for (l = bookmarks; l; l = l->next)
{
char *bookmark, *space;
bookmark = (char *)l->data;
space = strchr (bookmark, ' ');
if (space)
*space = '\0';
if (strcmp (bookmark, uri) != 0)
{
if (space)
*space = ' ';
}
else
{
g_free (l->data);
bookmarks = g_slist_remove_link (bookmarks, l);
g_slist_free_1 (l);
if (bookmark_list_write (bookmarks, error))
{
result = TRUE;
g_signal_emit_by_name (file_system, "bookmarks-changed", 0);
}
goto out;
}
}
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
_("'%s' does not exist in the bookmarks list"),
uri);
out:
g_free (uri);
bookmark_list_free (bookmarks);
return result;
}
static GSList *
gtk_file_system_unix_list_bookmarks (GtkFileSystem *file_system)
{
GSList *bookmarks;
GSList *result;
GSList *l;
if (!bookmark_list_read (&bookmarks, NULL))
return NULL;
result = NULL;
for (l = bookmarks; l; l = l->next)
{
char *bookmark, *space;
bookmark = (char *)l->data;
space = strchr (bookmark, ' ');
if (space)
*space = '\0';
if (is_local_uri (bookmark))
result = g_slist_prepend (result, gtk_file_system_unix_uri_to_path (file_system, bookmark));
}
bookmark_list_free (bookmarks);
result = g_slist_reverse (result);
return result;
}
static gchar *
gtk_file_system_unix_get_bookmark_label (GtkFileSystem *file_system,
const GtkFilePath *path)
{
GSList *labels;
gchar *label;
GSList *l;
char *bookmark, *space, *uri;
labels = NULL;
label = NULL;
uri = gtk_file_system_path_to_uri (file_system, path);
bookmark_list_read (&labels, NULL);
for (l = labels; l && !label; l = l->next)
{
bookmark = (char *)l->data;
space = strchr (bookmark, ' ');
if (!space)
continue;
*space = '\0';
if (strcmp (uri, bookmark) == 0)
label = g_strdup (space + 1);
}
bookmark_list_free (labels);
g_free (uri);
return label;
}
static void
gtk_file_system_unix_set_bookmark_label (GtkFileSystem *file_system,
const GtkFilePath *path,
const gchar *label)
{
GSList *labels;
GSList *l;
gchar *bookmark, *space, *uri;
gboolean found;
labels = NULL;
uri = gtk_file_system_path_to_uri (file_system, path);
bookmark_list_read (&labels, NULL);
found = FALSE;
for (l = labels; l && !found; l = l->next)
{
bookmark = (gchar *)l->data;
space = strchr (bookmark, ' ');
if (space)
*space = '\0';
if (strcmp (bookmark, uri) != 0)
{
if (space)
*space = ' ';
}
else
{
g_free (bookmark);
if (label && *label)
l->data = g_strdup_printf ("%s %s", uri, label);
else
l->data = g_strdup (uri);
found = TRUE;
break;
}
}
if (found)
{
if (bookmark_list_write (labels, NULL))
g_signal_emit_by_name (file_system, "bookmarks-changed", 0);
}
bookmark_list_free (labels);
g_free (uri);
}
static void
_gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (class);
gobject_class->finalize = gtk_file_folder_unix_finalize;
}
static void
gtk_file_folder_unix_iface_init (GtkFileFolderIface *iface)
{
iface->get_info = gtk_file_folder_unix_get_info;
iface->list_children = gtk_file_folder_unix_list_children;
iface->is_finished_loading = gtk_file_folder_unix_is_finished_loading;
}
static void
_gtk_file_folder_unix_init (GtkFileFolderUnix *impl)
{
}
static void
gtk_file_folder_unix_finalize (GObject *object)
{
GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (object);
if (folder_unix->load_folder_id)
{
g_source_remove (folder_unix->load_folder_id);
folder_unix->load_folder_id = 0;
}
g_hash_table_remove (folder_unix->system_unix->folder_hash, folder_unix->filename);
if (folder_unix->stat_info)
{
#if 0
g_print ("Releasing information for directory %s\n", folder_unix->filename);
#endif
g_hash_table_destroy (folder_unix->stat_info);
}
g_free (folder_unix->filename);
G_OBJECT_CLASS (_gtk_file_folder_unix_parent_class)->finalize (object);
}
/* Creates a GtkFileInfo for "/" by stat()ing it */
static GtkFileInfo *
file_info_for_root_with_error (const char *root_name,
GError **error)
{
struct stat statbuf;
GtkFileInfo *info;
if (stat (root_name, &statbuf) != 0)
{
int saved_errno;
saved_errno = errno;
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
GTK_FILE_SYSTEM_ERROR_FAILED,
_("Error getting information for '%s': %s"),
"/", g_strerror (saved_errno));
return NULL;
}
info = gtk_file_info_new ();
gtk_file_info_set_display_name (info, "/");
gtk_file_info_set_is_folder (info, TRUE);
gtk_file_info_set_is_hidden (info, FALSE);
gtk_file_info_set_mime_type (info, "x-directory/normal");
gtk_file_info_set_modification_time (info, statbuf.st_mtime);
gtk_file_info_set_size (info, statbuf.st_size);
return info;
}
static gboolean
stat_with_error (const char *filename,
struct stat *statbuf,
GError **error)
{
if (stat (filename, statbuf) == -1 &&
(errno != ENOENT || lstat (filename, statbuf) == -1))
{
int saved_errno;
int code;
char *display_name;
saved_errno = errno;
if (saved_errno == ENOENT)
code = GTK_FILE_SYSTEM_ERROR_NONEXISTENT;
else
code = GTK_FILE_SYSTEM_ERROR_FAILED;
display_name = g_filename_display_name (filename);
g_set_error (error,
GTK_FILE_SYSTEM_ERROR,
code,
_("Error getting information for '%s': %s"),
display_name,
g_strerror (saved_errno));
g_free (display_name);
return FALSE;
}
return TRUE;
}
/* Creates a new GtkFileInfo from the specified data */
static GtkFileInfo *
create_file_info (GtkFileFolderUnix *folder_unix,
const char *filename,
const char *basename,
GtkFileInfoType types,
struct stat *statbuf,
const char *mime_type)
{
GtkFileInfo *info;
info = gtk_file_info_new ();
if (types & GTK_FILE_INFO_DISPLAY_NAME)
{
gchar *display_name = g_filename_display_basename (filename);
gtk_file_info_set_display_name (info, display_name);
g_free (display_name);
}
if (types & GTK_FILE_INFO_IS_HIDDEN)
{
if (folder_unix)
{
if (file_is_hidden (folder_unix, basename))
gtk_file_info_set_is_hidden (info, TRUE);
}
else
{
if (get_is_hidden_for_file (filename, basename))
gtk_file_info_set_is_hidden (info, TRUE);
}
}
if (types & GTK_FILE_INFO_IS_FOLDER)
gtk_file_info_set_is_folder (info, S_ISDIR (statbuf->st_mode));
if (types & GTK_FILE_INFO_MIME_TYPE)
gtk_file_info_set_mime_type (info, mime_type);
if (types & GTK_FILE_INFO_MODIFICATION_TIME)
gtk_file_info_set_modification_time (info, statbuf->st_mtime);
if (types & GTK_FILE_INFO_SIZE)
gtk_file_info_set_size (info, (gint64) statbuf->st_size);
if (types & GTK_FILE_INFO_ICON)
{
IconType icon_type;
gboolean free_icon_name = FALSE;
const char *icon_name;
const char *icon_mime_type;
icon_type = get_icon_type_from_path (folder_unix, statbuf, filename, &icon_mime_type);
switch (icon_type)
{
case ICON_NONE:
icon_name = get_fallback_icon_name (icon_type);
break;
case ICON_REGULAR:
free_icon_name = TRUE;
if (icon_mime_type)
icon_name = get_icon_name_for_mime_type (icon_mime_type);
else
icon_name = get_icon_name_for_mime_type (mime_type);
break;
default:
icon_name = get_special_icon_name (icon_type, filename);
break;
}
gtk_file_info_set_icon_name (info, icon_name);
if (free_icon_name)
g_free ((char *) icon_name);
}
return info;
}
static struct stat_info_entry *
create_stat_info_entry_and_emit_add (GtkFileFolderUnix *folder_unix,
const char *filename,
const char *basename,
struct stat *statbuf)
{
GSList *paths;
GtkFilePath *path;
struct stat_info_entry *entry;
entry = g_new0 (struct stat_info_entry, 1);
if ((folder_unix->types & STAT_NEEDED_MASK) != 0)
entry->statbuf = *statbuf;
if ((folder_unix->types & GTK_FILE_INFO_MIME_TYPE) != 0)
entry->mime_type = g_strdup (xdg_mime_get_mime_type_for_file (filename, statbuf));
g_hash_table_insert (folder_unix->stat_info,
g_strdup (basename),
entry);
path = gtk_file_path_new_dup (filename);
paths = g_slist_append (NULL, path);
g_signal_emit_by_name (folder_unix, "files-added", paths);
gtk_file_path_free (path);
g_slist_free (paths);
return entry;
}
static GtkFileInfo *
gtk_file_folder_unix_get_info (GtkFileFolder *folder,
const GtkFilePath *path,
GError **error)
{
GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
GtkFileInfo *info;
gchar *dirname, *basename;
const char *filename;
GtkFileInfoType types;
struct stat statbuf;
const char *mime_type;
/* Get_info for "/" */
if (!path)
{
g_return_val_if_fail (filename_is_root (folder_unix->filename), NULL);
return file_info_for_root_with_error (folder_unix->filename, error);
}
/* Get_info for normal files */
filename = gtk_file_path_get_string (path);
g_return_val_if_fail (filename != NULL, NULL);
g_return_val_if_fail (g_path_is_absolute (filename), NULL);
dirname = get_parent_dir (filename);
g_return_val_if_fail (strcmp (dirname, folder_unix->filename) == 0, NULL);
g_free (dirname);
basename = g_path_get_basename (filename);
types = folder_unix->types;
if (folder_unix->have_stat)
{
struct stat_info_entry *entry;
g_assert (folder_unix->stat_info != NULL);
entry = g_hash_table_lookup (folder_unix->stat_info, basename);
if (!entry)
{
if (!stat_with_error (filename, &statbuf, error))
{
g_free (basename);
return NULL;
}
entry = create_stat_info_entry_and_emit_add (folder_unix, filename, basename, &statbuf);
}
info = create_file_info (folder_unix, filename, basename, types, &entry->statbuf, entry->mime_type);
g_free (basename);
return info;
}
else
{
if (!stat_with_error (filename, &statbuf, error))
{
g_free (basename);
return NULL;
}
if ((types & GTK_FILE_INFO_MIME_TYPE) != 0)
mime_type = xdg_mime_get_mime_type_for_file (filename, &statbuf);
else
mime_type = NULL;
info = create_file_info (folder_unix, filename, basename, types, &statbuf, mime_type);
g_free (basename);
return info;
}
}
static void
cb_list_children (gpointer key, gpointer value, gpointer user_data)
{
GSList **children = user_data;
*children = g_slist_prepend (*children, key);
}
static gboolean
gtk_file_folder_unix_list_children (GtkFileFolder *folder,
GSList **children,
GError **error)
{
GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
GSList *l;
*children = NULL;
/* Get the list of basenames. */
if (folder_unix->stat_info)
g_hash_table_foreach (folder_unix->stat_info, cb_list_children, children);
/* Turn basenames into GFilePaths. */
for (l = *children; l; l = l->next)
{
const char *basename = l->data;
char *fullname = g_build_filename (folder_unix->filename, basename, NULL);
l->data = filename_to_path (fullname);
g_free (fullname);
}
return TRUE;
}
static gboolean
gtk_file_folder_unix_is_finished_loading (GtkFileFolder *folder)
{
return GTK_FILE_FOLDER_UNIX (folder)->is_finished_loading;
}
static void
free_stat_info_entry (struct stat_info_entry *entry)
{
g_free (entry->mime_type);
g_free (entry);
}
static gboolean
fill_in_names (GtkFileFolderUnix *folder_unix, GError **error)
{
GDir *dir;
if (folder_unix->stat_info)
return TRUE;
dir = g_dir_open (folder_unix->filename, 0, error);
if (!dir)
return FALSE;
folder_unix->stat_info = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify) g_free,
(GDestroyNotify) free_stat_info_entry);
while (TRUE)
{
struct stat_info_entry *entry;
const gchar *basename;
basename = g_dir_read_name (dir);
if (!basename)
break;
entry = g_new0 (struct stat_info_entry, 1);
if (folder_unix->is_network_dir)
{
entry->statbuf.st_mode = S_IFDIR;
entry->mime_type = g_strdup ("x-directory/normal");
}
g_hash_table_insert (folder_unix->stat_info,
g_strdup (basename),
entry);
}
g_dir_close (dir);
folder_unix->asof = time (NULL);
return TRUE;
}
static gboolean
cb_fill_in_stats (gpointer key, gpointer value, gpointer user_data)
{
const char *basename = key;
struct stat_info_entry *entry = value;
GtkFileFolderUnix *folder_unix = user_data;
char *fullname = g_build_filename (folder_unix->filename, basename, NULL);
gboolean result;
if (stat (fullname, &entry->statbuf) == -1 &&
(errno != ENOENT || lstat (fullname, &entry->statbuf) == -1))
result = TRUE; /* Couldn't stat -- remove from hash. */
else
result = FALSE;
g_free (fullname);
return result;
}
static void
fill_in_stats (GtkFileFolderUnix *folder_unix)
{
if (folder_unix->have_stat)
return;
if (!fill_in_names (folder_unix, NULL))
return;
if (!folder_unix->is_network_dir)
g_hash_table_foreach_remove (folder_unix->stat_info,
cb_fill_in_stats,
folder_unix);
folder_unix->have_stat = TRUE;
}
static gboolean
cb_fill_in_mime_type (gpointer key, gpointer value, gpointer user_data)
{
const char *basename = key;
struct stat_info_entry *entry = value;
GtkFileFolderUnix *folder_unix = user_data;
char *fullname = g_build_filename (folder_unix->filename, basename, NULL);
struct stat *statbuf = NULL;
const char *mime_type;
if (folder_unix->have_stat)
statbuf = &entry->statbuf;
mime_type = xdg_mime_get_mime_type_for_file (fullname, statbuf);
entry->mime_type = g_strdup (mime_type);
g_free (fullname);
return FALSE;
}
static void
fill_in_mime_type (GtkFileFolderUnix *folder_unix)
{
if (folder_unix->have_mime_type)
return;
if (!folder_unix->have_stat)
return;
g_assert (folder_unix->stat_info != NULL);
if (!folder_unix->is_network_dir)
g_hash_table_foreach_remove (folder_unix->stat_info,
cb_fill_in_mime_type,
folder_unix);
folder_unix->have_mime_type = TRUE;
}
static gchar **
read_hidden_file (const char *dirname)
{
gchar **lines = NULL;
gchar *contents;
gchar *hidden_file;
hidden_file = g_build_filename (dirname, HIDDEN_FILENAME, NULL);
if (g_file_get_contents (hidden_file, &contents, NULL, NULL))
{
lines = g_strsplit (contents, "\n", -1);
g_free (contents);
}
g_free (hidden_file);
return lines;
}
static void
fill_in_hidden (GtkFileFolderUnix *folder_unix)
{
gchar **lines;
if (folder_unix->have_hidden)
return;
lines = read_hidden_file (folder_unix->filename);
if (lines)
{
int i;
for (i = 0; lines[i]; i++)
{
if (lines[i][0])
{
struct stat_info_entry *entry;
entry = g_hash_table_lookup (folder_unix->stat_info, lines[i]);
if (entry != NULL)
entry->hidden = TRUE;
}
}
g_strfreev (lines);
}
folder_unix->have_hidden = TRUE;
}
static GtkFilePath *
filename_to_path (const char *filename)
{
char *tmp;
tmp = remove_trailing_slash (filename);
return gtk_file_path_new_steal (tmp);
}
static gboolean
filename_is_root (const char *filename)
{
const gchar *after_root;
after_root = g_path_skip_root (filename);
return (after_root != NULL && *after_root == '\0');
}
static gboolean
get_is_hidden_for_file (const char *filename,
const char *basename)
{
gchar *dirname;
gchar **lines;
gboolean hidden = FALSE;
dirname = g_path_get_dirname (filename);
lines = read_hidden_file (dirname);
g_free (dirname);
if (lines)
{
int i;
for (i = 0; lines[i]; i++)
{
if (lines[i][0] && strcmp (lines[i], basename) == 0)
{
hidden = TRUE;
break;
}
}
g_strfreev (lines);
}
return hidden;
}
static gboolean
file_is_hidden (GtkFileFolderUnix *folder_unix,
const char *basename)
{
struct stat_info_entry *entry;
if (basename[0] == '.' || basename[strlen (basename) - 1] == '~')
return TRUE;
if (folder_unix->have_stat)
{
fill_in_hidden (folder_unix);
entry = g_hash_table_lookup (folder_unix->stat_info, basename);
if (entry)
return entry->hidden;
}
return FALSE;
}
#define __GTK_FILE_SYSTEM_UNIX_C__
#include "gtkaliasdef.c"
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