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/*
* File: vfs.c
* Created: August 2008
* Created by: Axel von Bertoldi
* Last Modified: November 2009
* Last Modified by: Axel von Bertoldi
* (C) 2005-2009 Axel von Bertoldi
*
* 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.,
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301, USA.
*/
#include <gio/gdesktopappinfo.h>
#include <glib/gprintf.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#include "vfs.h"
#include "utils.h"
#include "config.h"
/******************************************************************************/
const gchar *size_units[] = {"bytes","KB","MB","GB","TB","HUGE",NULL};
/******************************************************************************/
/* Caller must free return value. */
static inline gchar * vfs_human_file_size (guint64 size) {
int order_of_magnitude = 0;
double _size = size;
while (_size > 1024){
_size = _size / 1024;
order_of_magnitude++;
}
gchar *human_size = g_strdup_printf ("%.1f %s", _size,
(order_of_magnitude <= 5 ?
size_units[order_of_magnitude] :
size_units[5]));
return human_size;
}
/******************************************************************************/
/* sort the structures based on the file's display_name */
static inline gint
vfs_sort_array (const VfsFileInfo **i1, const VfsFileInfo **i2) {
return g_utf8_collate ((gchar *)(*i1)->display_name, (gchar *)(*i2)->display_name);
}
/******************************************************************************/
gboolean
vfs_file_exists (const gchar *file_name) {
return g_file_test (file_name, G_FILE_TEST_EXISTS);
}
/******************************************************************************/
gboolean
vfs_file_is_executable (const gchar *file_name) {
GFile* file = g_file_new_for_path (file_name);
GFileInfo* file_info = g_file_query_info (file,
/*G_FILE_ATTRIBUTE_ACCESS_CAN_EXECUTE ,*/
"standard::content-type,"
"access::can-execute",
0,
NULL,
NULL);
gboolean ret = g_file_info_get_attribute_boolean (file_info,
G_FILE_ATTRIBUTE_ACCESS_CAN_EXECUTE) &&
g_content_type_can_be_executable (g_file_info_get_content_type (file_info));
g_object_unref (file_info);
g_object_unref (file);
return ret;
}
/******************************************************************************/
gboolean
vfs_file_is_directory (const gchar *file_name) {
GFile* file = g_file_new_for_path (file_name);
GFileInfo* file_info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_TYPE,
0,
NULL,
NULL);
gboolean ret = (g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY);
g_object_unref (file_info);
g_object_unref (file);
return ret;
}
/******************************************************************************/
gboolean
vfs_file_is_desktop (const gchar *file_name) {
GDesktopAppInfo *app_info = g_desktop_app_info_new_from_filename (file_name);
gboolean ret = !(app_info == NULL);
app_info ? g_object_unref (app_info) : NULL;
return ret;
}
/******************************************************************************/
/* Gets the executable file name of the application associated with the passed
* file. The caller must free the returned value. */
gchar*
vfs_get_default_mime_application (const gchar *file_name) {
GFile* file = g_file_new_for_path (file_name);
GFileInfo* file_info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
0,
NULL,
NULL);
const gchar* content_type = g_file_info_get_content_type (file_info);
GAppInfo *app_info = g_app_info_get_default_for_type (content_type, FALSE);
gchar* exec = g_strdup (g_app_info_get_executable (app_info));
g_object_unref (file_info);
g_object_unref (file);
g_object_unref (app_info);
return exec;
}
/******************************************************************************/
/* The caller must free the return value. */
static gchar *
vfs_get_desktop_app_name (const gchar *file_name) {
GDesktopAppInfo *info = g_desktop_app_info_new_from_filename (file_name);
gchar* ret = g_strdup (g_app_info_get_name (G_APP_INFO (info)));
g_object_unref (info);
return ret;
}
/******************************************************************************/
void
vfs_file_trash (const gchar *file_name) {
GError *error = NULL;
GFile *file = g_file_new_for_path (file_name);
/* Try moving it to the trash */
g_file_trash (file, NULL, &error);
/* Let the user know if we failed. */
utils_gerror_ok (&error, TRUE);
}
/******************************************************************************/
GtkWidget *
vfs_get_icon_for_file (const gchar *file_name) {
GtkWidget *icon_widget = NULL;
GDesktopAppInfo *app_info = g_desktop_app_info_new_from_filename (file_name);
if (app_info != NULL) {
GIcon *icon = g_app_info_get_icon (G_APP_INFO (app_info));
icon_widget = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_MENU);
g_object_unref (app_info);
}
else {
GFile *file = g_file_new_for_path (file_name);
GFileInfo *file_info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_ICON,
0,
NULL,
NULL);
GIcon *icon = g_file_info_get_icon (file_info);
icon_widget = gtk_image_new_from_gicon (icon, GTK_ICON_SIZE_MENU);
g_object_unref (file);
g_object_unref (file_info);
}
return icon_widget;
}
/******************************************************************************/
GList*
vfs_get_all_mime_applications (const gchar *file_name) {
GFile* file = g_file_new_for_path (file_name);
GFileInfo* file_info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE,
0,
NULL,
NULL);
const gchar* content_type = g_file_info_get_content_type (file_info);
GList *app_infos = g_app_info_get_all_for_type (content_type);
g_object_unref (file_info);
g_object_unref (file);
return app_infos;
}
/******************************************************************************/
/* Takes a null-terminated array of strings at least 2 items long. The first
* item is always the application to execute, including if it is a script or
* .desktop file. The second is the files to open. Either ARG_FILE or ARG_APP
* can be NULL, but not both. If ARG_FILE is NULL, just launch ARG_APP. If
* ARG_APP is NULL, open ARG_FILE with the default mime handler. */
gboolean
vfs_launch_application (const gchar *const *args) {
/* Can't have both arg[ARG_APP] and args[ARG_FILE} NULL */
g_return_val_if_fail ((args[ARG_APP] != NULL || args[ARG_FILE] != NULL), FALSE);
guint i;
gboolean ret = FALSE;
GError *error = NULL;
GList *files = NULL;
gchar *command_line = NULL;
/* Put the file(s) in a list (only of there is a file) for g_app_info_launch() */
for (i = ARG_FILE; args[i]; i++) {
files = g_list_append (files, (gpointer)g_file_new_for_path (args[i]));
}
gchar *uri = args[ARG_FILE] ? g_filename_to_uri(args[ARG_FILE], NULL, NULL) : g_filename_to_uri(args[ARG_APP], NULL, NULL);
GtkRecentManager *recent = gtk_recent_manager_new ();
gtk_recent_manager_add_item (recent, uri);
g_object_unref (G_OBJECT(recent));
g_free (uri);
/* Set the current working dir. Do we use ARG_APP or ARG_FILE to set
* cwd? If ARG_FILE == NULL, use ARG_APP, otherwise use ARG_FILE */
const gchar *cwd_root = args[ARG_FILE] == NULL ? args[ARG_APP] : args[ARG_FILE];
gchar *working_dir = vfs_file_is_directory (cwd_root) ? g_strdup (cwd_root) : g_path_get_dirname (cwd_root);
g_chdir (working_dir);
g_free (working_dir);
/* No agrs[ARG_APP] was NULL, open file with default mime handler */
if (args[ARG_APP] == NULL) {
GFile *file = g_file_new_for_path (args[ARG_FILE]);
gchar *uri = g_file_get_uri (file);
ret = g_app_info_launch_default_for_uri (uri, NULL, &error);
utils_gerror_ok (&error, TRUE);
g_free (uri);
g_object_unref (file);
}
else {
GAppInfo *app_info = NULL;
if (vfs_file_is_desktop (args[ARG_APP])) {
app_info = G_APP_INFO (g_desktop_app_info_new_from_filename (args[ARG_APP]));
}
else {
command_line = vfs_file_is_executable (args[ARG_APP]) ?
utils_escape_str (args[ARG_APP], " ", "\\ ") : g_strdup (args[ARG_APP]);
app_info = g_app_info_create_from_commandline (command_line, NULL, 0, &error);
utils_gerror_ok (&error, TRUE);
}
if (app_info) {
ret = g_app_info_launch (app_info, files, NULL, &error);
utils_gerror_ok (&error, TRUE);
g_object_unref (app_info);
}
else {
gchar *msg = g_strdup_printf (_("Could not open \"%s\".\n"), args[ARG_FILE]);
utils_show_dialog (_("Error"), msg, GTK_MESSAGE_ERROR);
g_free (msg);
}
}
g_list_foreach (files, (GFunc)g_object_unref, NULL);
g_list_free (files);
g_free (command_line);
g_chdir (g_get_home_dir());
return ret;
}
/******************************************************************************/
gboolean
vfs_file_do_default_action (const gchar *file_name) {
gchar **args = g_strv_new (ARGS_SIZE);
gchar *_file_name = g_strdup (file_name);
if (vfs_file_is_desktop (_file_name) ||
vfs_file_is_executable (_file_name)) {
args[ARG_APP] = _file_name;
}
/* open it with the default mime app */
else {
args[ARG_FILE] = _file_name;
}
gboolean ret = vfs_launch_application ((const gchar*const*)args);
g_strfreev (args);
return ret;
}
/******************************************************************************/
/* Gets the contents of a directory. Puts the files and directories in separate
* arrays, and sorts them both. The caller must free the return value. */
gchar*
vfs_get_dir_listings (GPtrArray *files,
GPtrArray *dirs,
gboolean show_hidden,
gboolean show_thumbnail,
gboolean hide_files,
const gchar *path) {
GError *error = NULL;
const gchar *_attributes = "standard::type,standard::is-hidden,standard::name,standard::display-name,access::can-execute,standard::size";
gchar *attributes = show_thumbnail ? g_strdup_printf ("%s,thumbnail::path", _attributes) : g_strdup(_attributes);
GFile *file = g_file_new_for_path (path);
/* get ALL the info about the files */
GFileEnumerator *enumerator = g_file_enumerate_children (file,
attributes,
0,
NULL,
&error);
g_free (attributes);
/* did we read the dir correctly? */
if (error) {
gchar *error_msg = g_strdup (error->message);
utils_gerror_ok (&error, FALSE);
return error_msg;
}
GFileInfo *file_info = NULL;
while ((file_info = g_file_enumerator_next_file (enumerator, NULL, &error)) != NULL) {
/* skip the file if it's hidden and we aren't showing hidden files */
if (g_file_info_get_is_hidden (file_info) && !show_hidden) {
g_object_unref (file_info);
continue;
}
if (g_file_info_get_file_type (file_info) != G_FILE_TYPE_DIRECTORY && hide_files) {
g_object_unref (file_info);
continue;
}
VfsFileInfo *vfs_file_info = g_new0 (VfsFileInfo ,1);
vfs_file_info->icon = NULL;
vfs_file_info->file_name = g_strdup_printf ("%s/%s", path, g_file_info_get_name (file_info));
/* get the file's human readable name, including if it's a desktop file */
vfs_file_info->display_name = (vfs_file_is_desktop (vfs_file_info->file_name)) ?
vfs_get_desktop_app_name (vfs_file_info->file_name) :
g_strdup (g_file_info_get_display_name (file_info));
vfs_file_info->is_executable = g_file_info_get_attribute_boolean (file_info,
G_FILE_ATTRIBUTE_ACCESS_CAN_EXECUTE) &&
(g_file_info_get_file_type (file_info) != G_FILE_TYPE_DIRECTORY);
/* get the icon or thumbnail */
/* FIXME: How expensive is this call? Should put it around an if (show_hidden) if it is expensive. */
const gchar *thumbnail = g_file_info_get_attribute_byte_string (file_info, G_FILE_ATTRIBUTE_THUMBNAIL_PATH);
if (thumbnail) {
vfs_file_info->icon = gtk_image_new_from_file (thumbnail);
}
else {
vfs_file_info->icon = vfs_get_icon_for_file (vfs_file_info->file_name);
}
vfs_file_info->size = vfs_human_file_size (g_file_info_get_size (file_info));
/* add it to the array */
if (g_file_info_get_file_type (file_info) == G_FILE_TYPE_DIRECTORY) {
g_ptr_array_add (dirs, (gpointer)vfs_file_info);
}
else {
g_ptr_array_add (files, (gpointer)vfs_file_info);
}
g_object_unref (file_info);
}
g_object_unref (enumerator);
g_object_unref (file);
/* always check for errors */
if (error) {
gchar *error_msg = g_strdup (error->message);
utils_gerror_ok (&error, FALSE);
return error_msg;
}
g_ptr_array_sort (dirs, (GCompareFunc)&vfs_sort_array);
g_ptr_array_sort (files, (GCompareFunc)&vfs_sort_array);
return NULL;
}
/******************************************************************************/
|