/* dzl-file-manager.c

 *

 * Copyright (C) 1995-2017 GIMP Authors

 * Copyright (C) 2015-2017 Christian Hergert <christian@hergert.me>

 *

 * 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 3 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, see <http://www.gnu.org/licenses/>.

 */

#define G_LOG_DOMAIN "dzl-file-manager"

#include "config.h"

#include <glib/gi18n.h>

#if defined(G_OS_WIN32)

/* This is a hack for Windows known directory support.

 * DATADIR (autotools-generated constant) is a type defined in objidl.h

 * so we must #undef it before including shlobj.h in order to avoid a

 * name clash. */

#undef DATADIR

#include <windows.h>

#include <shlobj.h>

#endif

#ifdef PLATFORM_OSX

#include <AppKit/AppKit.h>

#endif

#include "util/dzl-file-manager.h"

/* Copied from the GIMP */

gboolean

dzl_file_manager_show (GFile   *file,

                       GError **error)

{

  g_return_val_if_fail (G_IS_FILE (file), FALSE);

  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);

#if defined(G_OS_WIN32)

  {

    gboolean ret;

    char *filename;

    int n;

    LPWSTR w_filename = NULL;

    ITEMIDLIST *pidl = NULL;

    ret = FALSE;

    /* Calling this function mutiple times should do no harm, but it is

       easier to put this here as it needs linking against ole32. */

    CoInitialize (NULL);

    filename = g_file_get_path (file);

    if (!filename)

      {

        g_set_error_literal (error, G_FILE_ERROR, 0,

                             _("File path is NULL"));

        goto out;

      }

    n = MultiByteToWideChar (CP_UTF8, MB_ERR_INVALID_CHARS,

                             filename, -1, NULL, 0);

    if (n == 0)

      {

        g_set_error_literal (error, G_FILE_ERROR, 0,

                             _("Error converting UTF-8 filename to wide char"));

        goto out;

      }

    w_filename = g_malloc_n (n + 1, sizeof (wchar_t));

    n = MultiByteToWideChar (CP_UTF8, MB_ERR_INVALID_CHARS,

                             filename, -1,

                             w_filename, (n + 1) * sizeof (wchar_t));

    if (n == 0)

      {

        g_set_error_literal (error, G_FILE_ERROR, 0,

                             _("Error converting UTF-8 filename to wide char"));

        goto out;

      }

    pidl = ILCreateFromPathW (w_filename);

    if (!pidl)

      {

        g_set_error_literal (error, G_FILE_ERROR, 0,

                             _("ILCreateFromPath() failed"));

        goto out;

      }

    SHOpenFolderAndSelectItems (pidl, 0, NULL, 0);

    ret = TRUE;

  out:

    if (pidl)

      ILFree (pidl);

    g_free (w_filename);

    g_free (filename);

    return ret;

  }

#elif defined(PLATFORM_OSX)

  {

    gchar    *uri;

    NSString *filename;

    NSURL    *url;

    gboolean  retval = TRUE;

    uri = g_file_get_uri (file);

    filename = [NSString stringWithUTF8String:uri];

    url = [NSURL URLWithString:filename];

    if (url)

      {

        NSArray *url_array = [NSArray arrayWithObject:url];

        [[NSWorkspace sharedWorkspace] activateFileViewerSelectingURLs:url_array];

      }

    else

      {

        g_set_error (error, G_FILE_ERROR, 0,

                     _("Cannot convert “%s” into a valid NSURL."), uri);

        retval = FALSE;

      }

    g_free (uri);

    return retval;

  }

#else /* UNIX */

  {

    GDBusProxy      *proxy;

    GVariant        *retval;

    GVariantBuilder *builder;

    gchar           *uri;

    proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,

                                           G_DBUS_PROXY_FLAGS_NONE,

                                           NULL,

                                           "org.freedesktop.FileManager1",

                                           "/org/freedesktop/FileManager1",

                                           "org.freedesktop.FileManager1",

                                           NULL, error);

    if (!proxy)

      {

        g_prefix_error (error,

                        _("Connecting to org.freedesktop.FileManager1 failed: "));

        return FALSE;

      }

    uri = g_file_get_uri (file);

    builder = g_variant_builder_new (G_VARIANT_TYPE ("as"));

    g_variant_builder_add (builder, "s", uri);

    g_free (uri);

    retval = g_dbus_proxy_call_sync (proxy,

                                     "ShowItems",

                                     g_variant_new ("(ass)",

                                                    builder,

                                                    ""),

                                     G_DBUS_CALL_FLAGS_NONE,

                                     -1, NULL, error);

    g_variant_builder_unref (builder);

    g_object_unref (proxy);

    if (!retval)

      {

        g_prefix_error (error, _("Calling ShowItems failed: "));

        return FALSE;

      }

    g_variant_unref (retval);

    return TRUE;

  }

#endif

}