thunar-usagebars/thunar/thunar-browser.c

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/* vi:set et ai sw=2 sts=2 ts=2: */
/*-
* Copyright (c) 2009 Jannis Pohlmann <jannis@xfce.org>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "thunar/thunar-browser.h"
#include "thunar/thunar-file.h"
#include "thunar/thunar-gtk-extensions.h"
#include "thunar/thunar-private.h"
#include "thunar/thunar-util.h"
#include <glib-object.h>
#include <libxfce4util/libxfce4util.h>
typedef struct _PokeFileData PokeFileData;
typedef struct _PokeDeviceData PokeDeviceData;
static void
thunar_browser_poke_file_internal (ThunarBrowser *browser,
GFile *location,
ThunarFile *source,
ThunarFile *file,
gpointer widget,
ThunarBrowserPokeFileFunc func,
ThunarBrowserPokeLocationFunc location_func,
gpointer user_data);
struct _PokeFileData
{
GFile *location;
ThunarBrowser *browser;
ThunarFile *source;
ThunarFile *file;
ThunarBrowserPokeFileFunc func;
ThunarBrowserPokeLocationFunc location_func;
gpointer user_data;
};
struct _PokeDeviceData
{
ThunarBrowser *browser;
ThunarDevice *device;
ThunarFile *mount_point;
ThunarBrowserPokeDeviceFunc func;
gpointer user_data;
};
GType
thunar_browser_get_type (void)
{
static gsize type__static = 0;
GType type;
if (g_once_init_enter (&type__static))
{
type = g_type_register_static_simple (G_TYPE_INTERFACE,
I_ ("ThunarBrowser"),
sizeof (ThunarBrowserIface),
NULL,
0,
NULL,
0);
g_type_interface_add_prerequisite (type, G_TYPE_OBJECT);
g_once_init_leave (&type__static, type);
}
return type__static;
}
static PokeFileData *
thunar_browser_poke_file_data_new (ThunarBrowser *browser,
GFile *location,
ThunarFile *source,
ThunarFile *file,
ThunarBrowserPokeFileFunc func,
ThunarBrowserPokeLocationFunc location_func,
gpointer user_data)
{
PokeFileData *poke_data;
_thunar_return_val_if_fail (THUNAR_IS_BROWSER (browser), NULL);
poke_data = g_slice_new0 (PokeFileData);
poke_data->browser = g_object_ref (browser);
if (location != NULL)
poke_data->location = g_object_ref (location);
if (source != NULL)
poke_data->source = g_object_ref (source);
if (file != NULL)
poke_data->file = g_object_ref (file);
poke_data->func = func;
poke_data->location_func = location_func;
poke_data->user_data = user_data;
return poke_data;
}
static void
thunar_browser_poke_file_data_free (PokeFileData *poke_data)
{
_thunar_return_if_fail (poke_data != NULL);
_thunar_return_if_fail (THUNAR_IS_BROWSER (poke_data->browser));
g_object_unref (poke_data->browser);
if (poke_data->location != NULL)
g_object_unref (poke_data->location);
if (poke_data->source != NULL)
g_object_unref (poke_data->source);
if (poke_data->file != NULL)
g_object_unref (poke_data->file);
g_slice_free (PokeFileData, poke_data);
}
static PokeDeviceData *
thunar_browser_poke_device_data_new (ThunarBrowser *browser,
ThunarDevice *device,
ThunarBrowserPokeDeviceFunc func,
gpointer user_data)
{
PokeDeviceData *poke_data;
_thunar_return_val_if_fail (THUNAR_IS_BROWSER (browser), NULL);
_thunar_return_val_if_fail (THUNAR_IS_DEVICE (device), NULL);
poke_data = g_slice_new0 (PokeDeviceData);
poke_data->browser = g_object_ref (browser);
poke_data->device = g_object_ref (device);
poke_data->func = func;
poke_data->user_data = user_data;
return poke_data;
}
static void
thunar_browser_poke_device_data_free (PokeDeviceData *poke_data)
{
_thunar_return_if_fail (poke_data != NULL);
_thunar_return_if_fail (THUNAR_IS_BROWSER (poke_data->browser));
_thunar_return_if_fail (THUNAR_IS_DEVICE (poke_data->device));
g_object_unref (poke_data->browser);
g_object_unref (poke_data->device);
g_slice_free (PokeDeviceData, poke_data);
}
static void
thunar_browser_poke_mountable_file_finish (GFile *location,
ThunarFile *file,
GError *error,
gpointer user_data)
{
PokeFileData *poke_data = user_data;
_thunar_return_if_fail (G_IS_FILE (location));
_thunar_return_if_fail (user_data != NULL);
_thunar_return_if_fail (THUNAR_IS_BROWSER (poke_data->browser));
_thunar_return_if_fail (THUNAR_IS_FILE (poke_data->file));
_thunar_return_if_fail (THUNAR_IS_FILE (poke_data->source));
if (poke_data->location_func != NULL)
{
(poke_data->location_func) (poke_data->browser,
poke_data->location,
poke_data->source,
file,
error,
poke_data->user_data);
}
if (poke_data->func != NULL)
{
(poke_data->func) (poke_data->browser, poke_data->source, file, error,
poke_data->user_data);
}
thunar_browser_poke_file_data_free (poke_data);
}
static void
thunar_browser_poke_mountable_finish (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
PokeFileData *poke_data = user_data;
GError *error = NULL;
GFile *location;
_thunar_return_if_fail (G_IS_FILE (object));
_thunar_return_if_fail (G_IS_ASYNC_RESULT (result));
_thunar_return_if_fail (user_data != NULL);
_thunar_return_if_fail (THUNAR_IS_BROWSER (poke_data->browser));
_thunar_return_if_fail (THUNAR_IS_FILE (poke_data->file));
if (!g_file_mount_mountable_finish (G_FILE (object), result, &error))
{
if (error->domain == G_IO_ERROR)
{
if (error->code == G_IO_ERROR_ALREADY_MOUNTED)
g_clear_error (&error);
}
}
if (error == NULL)
{
if (thunar_file_reload (poke_data->file))
{
location = thunar_file_get_target_location (poke_data->file);
/* resolve the ThunarFile for the target location asynchronously
* and defer cleaning up the poke data until that has finished */
thunar_file_get_async (location, NULL,
thunar_browser_poke_mountable_file_finish,
poke_data);
g_object_unref (location);
}
}
else
{
if (poke_data->location_func != NULL)
{
(poke_data->location_func) (poke_data->browser,
poke_data->location,
poke_data->source,
NULL,
error,
poke_data->user_data);
}
if (poke_data->func != NULL)
{
(poke_data->func) (poke_data->browser, poke_data->source, NULL, error,
poke_data->user_data);
}
thunar_browser_poke_file_data_free (poke_data);
}
g_clear_error (&error);
}
static void
thunar_browser_poke_file_finish (GObject *object,
GAsyncResult *result,
gpointer user_data)
{
PokeFileData *poke_data = user_data;
GError *error = NULL;
_thunar_return_if_fail (G_IS_FILE (object));
_thunar_return_if_fail (G_IS_ASYNC_RESULT (result));
_thunar_return_if_fail (user_data != NULL);
_thunar_return_if_fail (THUNAR_IS_BROWSER (poke_data->browser));
_thunar_return_if_fail (THUNAR_IS_FILE (poke_data->file));
if (!g_file_mount_enclosing_volume_finish (G_FILE (object), result, &error))
{
if (error->domain == G_IO_ERROR)
{
if (error->code == G_IO_ERROR_ALREADY_MOUNTED)
g_clear_error (&error);
}
}
if (error == NULL)
{
if (thunar_file_reload (poke_data->file) == FALSE)
{
thunar_browser_poke_file_data_free (poke_data);
return;
}
}
if (poke_data->location_func != NULL)
{
if (error == NULL)
{
(poke_data->location_func) (poke_data->browser,
poke_data->location,
poke_data->source,
poke_data->file,
NULL,
poke_data->user_data);
}
else
{
(poke_data->location_func) (poke_data->browser,
poke_data->location,
poke_data->source,
NULL,
error,
poke_data->user_data);
}
}
if (poke_data->func != NULL)
{
if (error == NULL)
{
(poke_data->func) (poke_data->browser, poke_data->source, poke_data->file,
NULL, poke_data->user_data);
}
else
{
(poke_data->func) (poke_data->browser, poke_data->source, NULL, error,
poke_data->user_data);
}
}
g_clear_error (&error);
thunar_browser_poke_file_data_free (poke_data);
}
static void
thunar_browser_poke_shortcut_file_finish (GFile *location,
ThunarFile *file,
GError *error,
gpointer user_data)
{
PokeFileData *poke_data = user_data;
_thunar_return_if_fail (G_IS_FILE (location));
_thunar_return_if_fail (user_data != NULL);
_thunar_return_if_fail (THUNAR_IS_BROWSER (poke_data->browser));
_thunar_return_if_fail (THUNAR_IS_FILE (poke_data->file));
if (error == NULL)
{
thunar_browser_poke_file_internal (poke_data->browser,
poke_data->location,
poke_data->source,
file,
NULL,
poke_data->func,
poke_data->location_func,
poke_data->user_data);
}
else
{
if (poke_data->location_func != NULL)
{
(poke_data->location_func) (poke_data->browser,
poke_data->location,
poke_data->source,
NULL,
error,
poke_data->user_data);
}
if (poke_data->func != NULL)
{
(poke_data->func) (poke_data->browser, poke_data->source, NULL, error,
poke_data->user_data);
}
}
thunar_browser_poke_file_data_free (poke_data);
}
static void
thunar_browser_poke_file_internal (ThunarBrowser *browser,
GFile *location,
ThunarFile *source,
ThunarFile *file,
gpointer widget,
ThunarBrowserPokeFileFunc func,
ThunarBrowserPokeLocationFunc location_func,
gpointer user_data)
{
GMountOperation *mount_operation;
PokeFileData *poke_data;
GFile *target;
_thunar_return_if_fail (THUNAR_IS_BROWSER (browser));
_thunar_return_if_fail (G_IS_FILE (location));
_thunar_return_if_fail (THUNAR_IS_FILE (source));
_thunar_return_if_fail (THUNAR_IS_FILE (file));
if (thunar_file_get_kind (file) == G_FILE_TYPE_SHORTCUT)
{
target = thunar_file_get_target_location (file);
poke_data = thunar_browser_poke_file_data_new (browser, location, source,
file, func, location_func, user_data);
thunar_file_get_async (target, NULL,
thunar_browser_poke_shortcut_file_finish,
poke_data);
g_object_unref (target);
}
else if (thunar_file_get_kind (file) == G_FILE_TYPE_MOUNTABLE)
{
if (thunar_file_is_mounted (file))
{
target = thunar_file_get_target_location (file);
poke_data = thunar_browser_poke_file_data_new (browser, location, source,
file, func, location_func, user_data);
thunar_file_get_async (target, NULL,
thunar_browser_poke_mountable_file_finish,
poke_data);
g_object_unref (target);
}
else
{
poke_data = thunar_browser_poke_file_data_new (browser, location, source,
file, func, location_func, user_data);
mount_operation = thunar_gtk_mount_operation_new (widget);
g_file_mount_mountable (thunar_file_get_file (file),
G_MOUNT_MOUNT_NONE, mount_operation, NULL,
thunar_browser_poke_mountable_finish,
poke_data);
g_object_unref (mount_operation);
}
}
else if (!thunar_file_is_mounted (file) || !thunar_file_is_local (file))
{
poke_data = thunar_browser_poke_file_data_new (browser, location, source,
file, func, location_func, user_data);
mount_operation = thunar_gtk_mount_operation_new (widget);
g_file_mount_enclosing_volume (thunar_file_get_file (file),
G_MOUNT_MOUNT_NONE, mount_operation, NULL,
thunar_browser_poke_file_finish,
poke_data);
g_object_unref (mount_operation);
}
else
{
if (location_func != NULL)
location_func (browser, location, source, file, NULL, user_data);
if (func != NULL)
func (browser, source, file, NULL, user_data);
}
}
/**
* thunar_browser_poke_file:
* @browser : a #ThunarBrowser.
* @file : a #ThunarFile.
* @widget : a #GtkWidget, a #GdkScreen or %NULL.
* @func : a #ThunarBrowserPokeFileFunc callback or %NULL.
* @user_data : pointer to arbitrary user data or %NULL.
*
* Pokes a #ThunarFile to see what's behind it.
*
* If @file has the type %G_FILE_TYPE_SHORTCUT, it tries to load and mount
* the file that is referred to by the %G_FILE_ATTRIBUTE_STANDARD_TARGET_URI
* of the @file.
*
* If @file has the type %G_FILE_TYPE_MOUNTABLE, it tries to mount the @file.
*
* In the other cases, if the enclosing volume of the @file is not mounted
* yet, it tries to mount it.
*
* When finished or if an error occurred, it calls @func with the provided
* @user data. The #GError parameter to @func is set if, and only if there
* was an error.
**/
void
thunar_browser_poke_file (ThunarBrowser *browser,
ThunarFile *file,
gpointer widget,
ThunarBrowserPokeFileFunc func,
gpointer user_data)
{
_thunar_return_if_fail (THUNAR_IS_BROWSER (browser));
_thunar_return_if_fail (THUNAR_IS_FILE (file));
thunar_browser_poke_file_internal (browser, thunar_file_get_file (file), file, file, widget,
func, NULL, user_data);
}
static void
thunar_browser_poke_device_file_finish (GFile *location,
ThunarFile *file,
GError *error,
gpointer user_data)
{
PokeDeviceData *poke_data = user_data;
_thunar_return_if_fail (G_IS_FILE (location));
_thunar_return_if_fail (user_data != NULL);
_thunar_return_if_fail (THUNAR_IS_BROWSER (poke_data->browser));
_thunar_return_if_fail (THUNAR_IS_DEVICE (poke_data->device));
if (poke_data->func != NULL)
{
(poke_data->func) (poke_data->browser, poke_data->device, file, error,
poke_data->user_data, FALSE);
}
thunar_browser_poke_device_data_free (poke_data);
}
static void
thunar_browser_poke_device_finish (ThunarDevice *device,
const GError *error,
gpointer user_data)
{
PokeDeviceData *poke_data = user_data;
GFile *mount_point = NULL;
gboolean cancelled = FALSE;
_thunar_return_if_fail (THUNAR_IS_DEVICE (device));
_thunar_return_if_fail (user_data != NULL);
_thunar_return_if_fail (THUNAR_IS_BROWSER (poke_data->browser));
_thunar_return_if_fail (THUNAR_IS_DEVICE (poke_data->device));
_thunar_return_if_fail (device == poke_data->device);
if (error == NULL)
mount_point = thunar_device_get_root (device);
if (mount_point == NULL)
{
/* mount_point is NULL when user dismisses the authentication dialog */
cancelled = TRUE;
}
else
{
/* resolve the ThunarFile for the mount point asynchronously
* and defer cleaning up the poke data until that has finished */
thunar_file_get_async (mount_point, NULL,
thunar_browser_poke_device_file_finish,
poke_data);
g_object_unref (mount_point);
return;
}
if (poke_data->func != NULL)
{
(poke_data->func) (poke_data->browser, poke_data->device, NULL,
(GError *) error, poke_data->user_data, cancelled);
}
thunar_browser_poke_device_data_free (poke_data);
}
/**
* thunar_browser_poke_device:
* @browser : a #ThunarBrowser.
* @device : a #ThunarDevice.
* @widget : a #GtkWidget, a #GdkScreen or %NULL.
* @func : a #ThunarBrowserPokeDeviceFunc callback or %NULL.
* @user_data : pointer to arbitrary user data or %NULL.
*
* This function checks if @device is mounted or not. If it is, it loads
* a #ThunarFile for the mount root and calls @func. If it is not mounted,
* it first mounts the device asynchronously and calls @func with the
* #ThunarFile corresponding to the mount root when the mounting is finished.
*
* The #ThunarFile passed to @func will be %NULL if, and only if mounting
* the @device failed. The #GError passed to @func will be set if, and only if
* mounting failed.
**/
void
thunar_browser_poke_device (ThunarBrowser *browser,
ThunarDevice *device,
gpointer widget,
ThunarBrowserPokeDeviceFunc func,
gpointer user_data)
{
GMountOperation *mount_operation;
PokeDeviceData *poke_data;
GFile *mount_point;
_thunar_return_if_fail (THUNAR_IS_BROWSER (browser));
_thunar_return_if_fail (THUNAR_DEVICE (device));
if (thunar_device_is_mounted (device))
{
mount_point = thunar_device_get_root (device);
poke_data = thunar_browser_poke_device_data_new (browser, device, func, user_data);
thunar_file_get_async (mount_point, NULL,
thunar_browser_poke_device_file_finish,
poke_data);
g_object_unref (mount_point);
}
else
{
poke_data = thunar_browser_poke_device_data_new (browser, device, func, user_data);
mount_operation = thunar_gtk_mount_operation_new (widget);
thunar_device_mount (device,
mount_operation,
NULL,
thunar_browser_poke_device_finish,
poke_data);
g_object_unref (mount_operation);
}
}
static void
thunar_browser_poke_location_file_finish (GFile *location,
ThunarFile *file,
GError *error,
gpointer user_data)
{
PokeFileData *poke_data = user_data;
_thunar_return_if_fail (G_IS_FILE (location));
_thunar_return_if_fail (user_data != NULL);
_thunar_return_if_fail (THUNAR_IS_BROWSER (poke_data->browser));
_thunar_return_if_fail (G_IS_FILE (poke_data->location));
if (error == NULL)
{
thunar_browser_poke_file_internal (poke_data->browser,
location,
file,
file,
NULL,
poke_data->func,
poke_data->location_func,
poke_data->user_data);
}
else
{
if (poke_data->location_func != NULL)
{
(poke_data->location_func) (poke_data->browser, location, NULL, NULL, error,
poke_data->user_data);
}
}
thunar_browser_poke_file_data_free (poke_data);
}
/**
* thunar_browser_poke_location:
* @browser : a #ThunarBrowser.
* @location : a #GFile.
* @widget : a #GtkWidget, a #GdkScreen or %NULL.
* @func : a #ThunarBrowserPokeDeviceFunc callback or %NULL.
* @user_data : pointer to arbitrary user data or %NULL.
*
* Pokes a #GFile to see what's behind it.
*
* It first resolves the #GFile into a #ThunarFile asynchronously using
* thunar_file_get_async(). It then performs the same steps as
* thunar_browser_poke_file().
**/
void
thunar_browser_poke_location (ThunarBrowser *browser,
GFile *location,
gpointer widget,
ThunarBrowserPokeLocationFunc func,
gpointer user_data)
{
PokeFileData *poke_data;
_thunar_return_if_fail (THUNAR_IS_BROWSER (browser));
_thunar_return_if_fail (G_IS_FILE (location));
poke_data = thunar_browser_poke_file_data_new (browser, location, NULL, NULL,
NULL, func, user_data);
thunar_file_get_async (location, NULL,
thunar_browser_poke_location_file_finish,
poke_data);
}