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nautilus-autorun.c

/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */

/*
 * Nautilus
 *
 * Copyright (C) 2008 Red Hat, Inc.
 *
 * Nautilus is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: David Zeuthen <davidz@redhat.com>
 */
 
#include <config.h>
#include <string.h>
#include <glib/gi18n.h>
#include <gio/gio.h>
#include <gtk/gtk.h>
#include <gdk/gdkx.h>
#include <gio/gdesktopappinfo.h>
#include <X11/XKBlib.h>

#include <eel/eel-glib-extensions.h>
#include <eel/eel-stock-dialogs.h>

#include "nautilus-icon-info.h"
#include "nautilus-global-preferences.h"
#include "nautilus-file-operations.h"
#include "nautilus-autorun.h"
#include "nautilus-program-choosing.h"
#include "nautilus-open-with-dialog.h"
#include "nautilus-desktop-icon-file.h"
#include "nautilus-file-utilities.h"

enum
{
      AUTORUN_ASK,
      AUTORUN_IGNORE,
      AUTORUN_APP,
      AUTORUN_OPEN_FOLDER,
      AUTORUN_SEP,
      AUTORUN_OTHER_APP,
};
enum
{
      COLUMN_AUTORUN_PIXBUF,
      COLUMN_AUTORUN_NAME,
      COLUMN_AUTORUN_APP_INFO,
      COLUMN_AUTORUN_X_CONTENT_TYPE,
      COLUMN_AUTORUN_ITEM_TYPE,
};

static gboolean should_autorun_mount (GMount *mount);

static void nautilus_autorun_rebuild_combo_box (GtkWidget *combo_box);

void
nautilus_autorun_get_preferences (const char *x_content_type,
                          gboolean *pref_start_app,
                          gboolean *pref_ignore,
                          gboolean *pref_open_folder)
{
      char **x_content_start_app;
      char **x_content_ignore;
      char **x_content_open_folder;

      g_return_if_fail (pref_start_app != NULL);
      g_return_if_fail (pref_ignore != NULL);
      g_return_if_fail (pref_open_folder != NULL);

      *pref_start_app = FALSE;
      *pref_ignore = FALSE;
      *pref_open_folder = FALSE;
      x_content_start_app = eel_preferences_get_string_array (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_X_CONTENT_START_APP);
      x_content_ignore = eel_preferences_get_string_array (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_X_CONTENT_IGNORE);
      x_content_open_folder = eel_preferences_get_string_array (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_X_CONTENT_OPEN_FOLDER);
      if (x_content_start_app != NULL) {
            *pref_start_app = eel_g_strv_find (x_content_start_app, x_content_type) != -1;
      }
      if (x_content_ignore != NULL) {
            *pref_ignore = eel_g_strv_find (x_content_ignore, x_content_type) != -1;
      }
      if (x_content_open_folder != NULL) {
            *pref_open_folder = eel_g_strv_find (x_content_open_folder, x_content_type) != -1;
      }
      g_strfreev (x_content_ignore);
      g_strfreev (x_content_start_app);
      g_strfreev (x_content_open_folder);
}

static void
remove_elem_from_str_array (char **v, const char *s)
{
      int n, m;

      if (v == NULL) {
            return;
      }

      for (n = 0; v[n] != NULL; n++) {
            if (strcmp (v[n], s) == 0) {
                  for (m = n + 1; v[m] != NULL; m++) {
                        v[m - 1] = v[m];
                  }
                  v[m - 1] = NULL;
                  n--;
            }
      }
} 

static char **
add_elem_to_str_array (char **v, const char *s)
{
      guint len;
      char **r;

      len = v != NULL ? g_strv_length (v) : 0;
      r = g_new0 (char *, len + 2);
      memcpy (r, v, len * sizeof (char *));
      r[len] = g_strdup (s);
      r[len+1] = NULL;
      g_free (v);

      return r;
}


void
nautilus_autorun_set_preferences (const char *x_content_type,
                          gboolean pref_start_app,
                          gboolean pref_ignore,
                          gboolean pref_open_folder)
{
      char **x_content_start_app;
      char **x_content_ignore;
      char **x_content_open_folder;

      g_assert (x_content_type != NULL);

      x_content_start_app = eel_preferences_get_string_array (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_X_CONTENT_START_APP);
      x_content_ignore = eel_preferences_get_string_array (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_X_CONTENT_IGNORE);
      x_content_open_folder = eel_preferences_get_string_array (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_X_CONTENT_OPEN_FOLDER);

      remove_elem_from_str_array (x_content_start_app, x_content_type);
      if (pref_start_app) {
            x_content_start_app = add_elem_to_str_array (x_content_start_app, x_content_type);
      }
      eel_preferences_set_string_array (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_X_CONTENT_START_APP, x_content_start_app);

      remove_elem_from_str_array (x_content_ignore, x_content_type);
      if (pref_ignore) {
            x_content_ignore = add_elem_to_str_array (x_content_ignore, x_content_type);
      }
      eel_preferences_set_string_array (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_X_CONTENT_IGNORE, x_content_ignore);

      remove_elem_from_str_array (x_content_open_folder, x_content_type);
      if (pref_open_folder) {
            x_content_open_folder = add_elem_to_str_array (x_content_open_folder, x_content_type);
      }
      eel_preferences_set_string_array (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_X_CONTENT_OPEN_FOLDER, x_content_open_folder);

      g_strfreev (x_content_open_folder);
      g_strfreev (x_content_ignore);
      g_strfreev (x_content_start_app);

}

static gboolean
combo_box_separator_func (GtkTreeModel *model,
                          GtkTreeIter *iter,
                          gpointer data)
{
      char *str;

      gtk_tree_model_get (model, iter,
                      1, &str,
                      -1);
      if (str != NULL) {
            g_free (str);
            return FALSE;
      }
      return TRUE;
}

00196 typedef struct
{
      guint changed_signal_id;
      GtkWidget *combo_box;

      char *x_content_type;
      gboolean include_ask;
      gboolean include_open_with_other_app;

      gboolean update_settings;
      NautilusAutorunComboBoxChanged changed_cb;
      gpointer user_data;

      gboolean other_application_selected;
} NautilusAutorunComboBoxData;

static void 
nautilus_autorun_combobox_data_destroy (NautilusAutorunComboBoxData *data)
{
      /* signal handler may be automatically disconnected by destroying the widget */
      if (g_signal_handler_is_connected (G_OBJECT (data->combo_box), data->changed_signal_id)) {
            g_signal_handler_disconnect (G_OBJECT (data->combo_box), data->changed_signal_id);
      }
      g_free (data->x_content_type);
      g_free (data);
}

static void
other_application_selected (NautilusOpenWithDialog *dialog,
                      GAppInfo *app_info,
                      NautilusAutorunComboBoxData *data)
{
      if (data->changed_cb != NULL) {
            data->changed_cb (TRUE, FALSE, FALSE, app_info, data->user_data);
      }
      if (data->update_settings) {
            nautilus_autorun_set_preferences (data->x_content_type, TRUE, FALSE, FALSE);
            g_app_info_set_as_default_for_type (app_info,
                                        data->x_content_type,
                                        NULL);
            data->other_application_selected = TRUE;
      }

      /* rebuild so we include and select the new application in the list */
      nautilus_autorun_rebuild_combo_box (data->combo_box);
}

static void
handle_dialog_closure (NautilusAutorunComboBoxData *data)
{
      if (!data->other_application_selected) {
            /* reset combo box so we don't linger on "Open with other Application..." */
            nautilus_autorun_rebuild_combo_box (data->combo_box);
      }
}

static void
dialog_response_cb (GtkDialog *dialog,
                    gint response,
                    NautilusAutorunComboBoxData *data)
{
      handle_dialog_closure (data);
}

static void
dialog_destroy_cb (GtkObject *object,
                   NautilusAutorunComboBoxData *data)
{
      handle_dialog_closure (data);
}

static void 
combo_box_changed (GtkComboBox *combo_box,
                   NautilusAutorunComboBoxData *data)
{
      GtkTreeIter iter;
      GtkTreeModel *model;
      GAppInfo *app_info;
      char *x_content_type;
      int type;

      model = NULL;
      app_info = NULL;
      x_content_type = NULL;

      if (!gtk_combo_box_get_active_iter (combo_box, &iter)) {
            goto out;
      }

      model = gtk_combo_box_get_model (combo_box);
      if (model == NULL) {
            goto out;
      }

      gtk_tree_model_get (model, &iter, 
                      COLUMN_AUTORUN_APP_INFO, &app_info,
                      COLUMN_AUTORUN_X_CONTENT_TYPE, &x_content_type,
                      COLUMN_AUTORUN_ITEM_TYPE, &type,
                      -1);

      switch (type) {
      case AUTORUN_ASK:
            if (data->changed_cb != NULL) {
                  data->changed_cb (TRUE, FALSE, FALSE, NULL, data->user_data);
            }
            if (data->update_settings) {
                  nautilus_autorun_set_preferences (x_content_type, FALSE, FALSE, FALSE);
            }
            break;
      case AUTORUN_IGNORE:
            if (data->changed_cb != NULL) {
                  data->changed_cb (FALSE, TRUE, FALSE, NULL, data->user_data);
            }
            if (data->update_settings) {
                  nautilus_autorun_set_preferences (x_content_type, FALSE, TRUE, FALSE);
            }
            break;
      case AUTORUN_OPEN_FOLDER:
            if (data->changed_cb != NULL) {
                  data->changed_cb (FALSE, FALSE, TRUE, NULL, data->user_data);
            }
            if (data->update_settings) {
                  nautilus_autorun_set_preferences (x_content_type, FALSE, FALSE, TRUE);
            }
            break;

      case AUTORUN_APP:
            if (data->changed_cb != NULL) {
                  /* TODO TODO?? */
                  data->changed_cb (TRUE, FALSE, FALSE, app_info, data->user_data);
            }
            if (data->update_settings) {
                  nautilus_autorun_set_preferences (x_content_type, TRUE, FALSE, FALSE);
                  g_app_info_set_as_default_for_type (app_info,
                                              x_content_type,
                                              NULL);
            }
            break;

      case AUTORUN_OTHER_APP:
      {
            GtkWidget *dialog;

            data->other_application_selected = FALSE;

            dialog = nautilus_add_application_dialog_new (NULL, x_content_type);
            gtk_window_set_transient_for (GTK_WINDOW (dialog),
                                    GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (combo_box))));
            g_signal_connect (dialog, "application_selected",
                          G_CALLBACK (other_application_selected),
                          data);
            g_signal_connect (dialog, "response",
                          G_CALLBACK (dialog_response_cb), data);
            g_signal_connect (dialog, "destroy",
                          G_CALLBACK (dialog_destroy_cb), data);
            gtk_widget_show (GTK_WIDGET (dialog));

            break;
      }

      }
 
out:
      if (app_info != NULL) {
            g_object_unref (app_info);
      }
      g_free (x_content_type);
}

static void
nautilus_autorun_rebuild_combo_box (GtkWidget *combo_box)
{
      NautilusAutorunComboBoxData *data;
      char *x_content_type;

      data = g_object_get_data (G_OBJECT (combo_box), "nautilus_autorun_combobox_data");
      if (data == NULL) {
            g_warning ("no 'nautilus_autorun_combobox_data' data!");
            return;
      }

      x_content_type = g_strdup (data->x_content_type);
      nautilus_autorun_prepare_combo_box (combo_box,
                                  x_content_type,
                                  data->include_ask,
                                  data->include_open_with_other_app,
                                  data->update_settings,
                                  data->changed_cb,
                                  data->user_data);
      g_free (x_content_type);
}

/* TODO: we need some kind of way to remove user-defined associations,
 * e.g. the result of "Open with other Application...".
 *
 * However, this is a bit hard as
 * g_app_info_can_remove_supports_type() will always return TRUE
 * because we now have [Removed Applications] in the file
 * ~/.local/share/applications/mimeapps.list.
 *
 * We need the API outlined in
 *
 *  http://bugzilla.gnome.org/show_bug.cgi?id=545350
 *
 * to do this.
 *
 * Now, there's also the question about what the UI would look like
 * given this API. Ideally we'd include a small button on the right
 * side of the combo box that the user can press to delete an
 * association, e.g.:
 *
 *  +-------------------------------------+
 *  | Ask what to do                      |
 *  | Do Nothing                          |
 *  | Open Folder                         |
 *  +-------------------------------------+
 *  | Open Rhythmbox Music Player         |
 *  | Open Audio CD Extractor             |
 *  | Open Banshee Media Player           |
 *  | Open Frobnicator App            [x] |
 *  +-------------------------------------+
 *  | Open with other Application...      |
 *  +-------------------------------------+
 *
 * where "Frobnicator App" have been set up using "Open with other
 * Application...". However this is not accessible (which is a
 * GTK+ issue) but probably not a big deal.
 *
 * And we only want show these buttons (e.g. [x]) for associations with
 * GAppInfo instances that are deletable.
 */

void
nautilus_autorun_prepare_combo_box (GtkWidget *combo_box,
                            const char *x_content_type,
                            gboolean include_ask,
                            gboolean include_open_with_other_app,
                            gboolean update_settings,
                            NautilusAutorunComboBoxChanged changed_cb,
                            gpointer user_data)
{
      GList *l;
      GList *app_info_list;
      GAppInfo *default_app_info;
      GtkListStore *list_store;
      GtkTreeIter iter;
      GdkPixbuf *pixbuf;
      int icon_size;
      int set_active;
      int n;
      int num_apps;
      gboolean pref_ask;
      gboolean pref_start_app;
      gboolean pref_ignore;
      gboolean pref_open_folder;
      NautilusAutorunComboBoxData *data;
      GtkCellRenderer *renderer;
      gboolean new_data;

      nautilus_autorun_get_preferences (x_content_type, &pref_start_app, &pref_ignore, &pref_open_folder);
      pref_ask = !pref_start_app && !pref_ignore && !pref_open_folder;

      icon_size = nautilus_get_icon_size_for_stock_size (GTK_ICON_SIZE_MENU);

      set_active = -1;
      data = NULL;
      new_data = TRUE;

      app_info_list = g_app_info_get_all_for_type (x_content_type);
      default_app_info = g_app_info_get_default_for_type (x_content_type, FALSE);
      num_apps = g_list_length (app_info_list);

      list_store = gtk_list_store_new (5,
                               GDK_TYPE_PIXBUF,
                               G_TYPE_STRING,
                               G_TYPE_APP_INFO,
                               G_TYPE_STRING,
                               G_TYPE_INT);

      /* no apps installed */
      if (num_apps == 0) {
            gtk_list_store_append (list_store, &iter);
            pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
                                       GTK_STOCK_DIALOG_ERROR,
                                       icon_size,
                                       0,
                                       NULL);

            /* TODO: integrate with PackageKit-gnome to find applications */

            gtk_list_store_set (list_store, &iter, 
                            COLUMN_AUTORUN_PIXBUF, pixbuf, 
                            COLUMN_AUTORUN_NAME, _("No applications found"), 
                            COLUMN_AUTORUN_APP_INFO, NULL, 
                            COLUMN_AUTORUN_X_CONTENT_TYPE, x_content_type,
                            COLUMN_AUTORUN_ITEM_TYPE, AUTORUN_ASK,
                            -1);
            g_object_unref (pixbuf);
      } else {    
            if (include_ask) {
                  gtk_list_store_append (list_store, &iter);
                  pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
                                             GTK_STOCK_DIALOG_QUESTION,
                                             icon_size,
                                             0,
                                             NULL);
                  gtk_list_store_set (list_store, &iter, 
                                  COLUMN_AUTORUN_PIXBUF, pixbuf, 
                                  COLUMN_AUTORUN_NAME, _("Ask what to do"), 
                                  COLUMN_AUTORUN_APP_INFO, NULL, 
                                  COLUMN_AUTORUN_X_CONTENT_TYPE, x_content_type,
                                  COLUMN_AUTORUN_ITEM_TYPE, AUTORUN_ASK,
                                  -1);
                  g_object_unref (pixbuf);
            }
            
            gtk_list_store_append (list_store, &iter);
            pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
                                       GTK_STOCK_CLOSE,
                                       icon_size,
                                       0,
                                       NULL);
            gtk_list_store_set (list_store, &iter, 
                            COLUMN_AUTORUN_PIXBUF, pixbuf, 
                            COLUMN_AUTORUN_NAME, _("Do Nothing"), 
                            COLUMN_AUTORUN_APP_INFO, NULL, 
                            COLUMN_AUTORUN_X_CONTENT_TYPE, x_content_type,
                            COLUMN_AUTORUN_ITEM_TYPE, AUTORUN_IGNORE,
                            -1);
            g_object_unref (pixbuf);            

            gtk_list_store_append (list_store, &iter);
            pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
                                       "nautilus",
                                       icon_size,
                                       0,
                                       NULL);
            gtk_list_store_set (list_store, &iter, 
                            COLUMN_AUTORUN_PIXBUF, pixbuf, 
                            COLUMN_AUTORUN_NAME, _("Open Folder"), 
                            COLUMN_AUTORUN_APP_INFO, NULL, 
                            COLUMN_AUTORUN_X_CONTENT_TYPE, x_content_type,
                            COLUMN_AUTORUN_ITEM_TYPE, AUTORUN_OPEN_FOLDER,
                            -1);
            g_object_unref (pixbuf);            

            gtk_list_store_append (list_store, &iter);
            gtk_list_store_set (list_store, &iter, 
                            COLUMN_AUTORUN_PIXBUF, NULL, 
                            COLUMN_AUTORUN_NAME, NULL, 
                            COLUMN_AUTORUN_APP_INFO, NULL, 
                            COLUMN_AUTORUN_X_CONTENT_TYPE, NULL,
                            COLUMN_AUTORUN_ITEM_TYPE, AUTORUN_SEP,
                            -1);

            for (l = app_info_list, n = include_ask ? 4 : 3; l != NULL; l = l->next, n++) {
                  GIcon *icon;
                  NautilusIconInfo *icon_info;
                  char *open_string;
                  GAppInfo *app_info = l->data;
                  
                  /* we deliberately ignore should_show because some apps might want
                   * to install special handlers that should be hidden in the regular
                   * application launcher menus
                   */
                  
                  icon = g_app_info_get_icon (app_info);
                  icon_info = nautilus_icon_info_lookup (icon, icon_size);
                  pixbuf = nautilus_icon_info_get_pixbuf_at_size (icon_info, icon_size);
                  g_object_unref (icon_info);
                  
                  open_string = g_strdup_printf (_("Open %s"), g_app_info_get_name (app_info));

                  gtk_list_store_append (list_store, &iter);
                  gtk_list_store_set (list_store, &iter, 
                                  COLUMN_AUTORUN_PIXBUF, pixbuf, 
                                  COLUMN_AUTORUN_NAME, open_string, 
                                  COLUMN_AUTORUN_APP_INFO, app_info, 
                                  COLUMN_AUTORUN_X_CONTENT_TYPE, x_content_type,
                                  COLUMN_AUTORUN_ITEM_TYPE, AUTORUN_APP,
                                  -1);
                  if (pixbuf != NULL) {
                        g_object_unref (pixbuf);
                  }
                  g_free (open_string);
                  
                  if (g_app_info_equal (app_info, default_app_info)) {
                        set_active = n;
                  }
            }
      }

      if (include_open_with_other_app) {
            gtk_list_store_append (list_store, &iter);
            gtk_list_store_set (list_store, &iter,
                            COLUMN_AUTORUN_PIXBUF, NULL,
                            COLUMN_AUTORUN_NAME, NULL,
                            COLUMN_AUTORUN_APP_INFO, NULL,
                            COLUMN_AUTORUN_X_CONTENT_TYPE, NULL,
                            COLUMN_AUTORUN_ITEM_TYPE, AUTORUN_SEP,
                            -1);

            gtk_list_store_append (list_store, &iter);
            pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
                                       "application-x-executable",
                                       icon_size,
                                       0,
                                       NULL);
            gtk_list_store_set (list_store, &iter,
                            COLUMN_AUTORUN_PIXBUF, pixbuf,
                            COLUMN_AUTORUN_NAME, _("Open with other Application..."),
                            COLUMN_AUTORUN_APP_INFO, NULL,
                            COLUMN_AUTORUN_X_CONTENT_TYPE, x_content_type,
                            COLUMN_AUTORUN_ITEM_TYPE, AUTORUN_OTHER_APP,
                            -1);
            g_object_unref (pixbuf);
      }

      if (default_app_info != NULL) {
            g_object_unref (default_app_info);
      }
      eel_g_object_list_free (app_info_list);

      gtk_combo_box_set_model (GTK_COMBO_BOX (combo_box), GTK_TREE_MODEL (list_store));
      g_object_unref (G_OBJECT (list_store));

      gtk_cell_layout_clear (GTK_CELL_LAYOUT (combo_box));

      renderer = gtk_cell_renderer_pixbuf_new ();
      gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), renderer, FALSE);
      gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), renderer,
                              "pixbuf", COLUMN_AUTORUN_PIXBUF,
                              NULL);
      renderer = gtk_cell_renderer_text_new ();
      gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box), renderer, TRUE);
      gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (combo_box), renderer,
                              "text", COLUMN_AUTORUN_NAME,
                              NULL);
      gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (combo_box), combo_box_separator_func, NULL, NULL);

      if (num_apps == 0) {
            gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), 0);
            gtk_widget_set_sensitive (combo_box, FALSE);
      } else {
            gtk_widget_set_sensitive (combo_box, TRUE);
            if (pref_ask && include_ask) {
                  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), 0);
            } else if (pref_ignore) {
                  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), include_ask ? 1 : 0);
            } else if (pref_open_folder) {
                  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), include_ask ? 2 : 1);
            } else if (set_active != -1) {
                  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), set_active);
            } else {
                  gtk_combo_box_set_active (GTK_COMBO_BOX (combo_box), include_ask ? 1 : 0);
            }

            /* See if we have an old data around */
            data = g_object_get_data (G_OBJECT (combo_box), "nautilus_autorun_combobox_data");
            if (data) {
                  new_data = FALSE;
                  g_free (data->x_content_type);
            } else {
                  data = g_new0 (NautilusAutorunComboBoxData, 1);
            }
      
            data->x_content_type = g_strdup (x_content_type);
            data->include_ask = include_ask;
            data->include_open_with_other_app = include_open_with_other_app;
            data->update_settings = update_settings;
            data->changed_cb = changed_cb;
            data->user_data = user_data;
            data->combo_box = combo_box;
            if (data->changed_signal_id == 0) {
                  data->changed_signal_id = g_signal_connect (G_OBJECT (combo_box),
                                                    "changed",
                                                    G_CALLBACK (combo_box_changed),
                                                    data);
            }
      }

      if (new_data) {
            g_object_set_data_full (G_OBJECT (combo_box),
                              "nautilus_autorun_combobox_data",
                              data,
                              (GDestroyNotify) nautilus_autorun_combobox_data_destroy);
      }
}

static gboolean
is_shift_pressed (void)
{
      gboolean ret;
      XkbStateRec state;
      Bool status;

      ret = FALSE;

        gdk_error_trap_push ();
      status = XkbGetState (GDK_DISPLAY (), XkbUseCoreKbd, &state);
        gdk_error_trap_pop ();

      if (status == Success) {
            ret = state.mods & ShiftMask;
      }

      return ret;
}

enum {
      AUTORUN_DIALOG_RESPONSE_EJECT = 0
};

00709 typedef struct
{
      GtkWidget *dialog;

      GMount *mount;
      gboolean should_eject;

      gboolean selected_ignore;
      gboolean selected_open_folder;
      GAppInfo *selected_app;

      gboolean remember;

      char *x_content_type;

      NautilusAutorunOpenWindow open_window_func;
      gpointer user_data;
} AutorunDialogData;


void
nautilus_autorun_launch_for_mount (GMount *mount, GAppInfo *app_info)
{
      GFile *root;
      NautilusFile *file;
      GList *files;
      
      root = g_mount_get_root (mount);
      file = nautilus_file_get (root);
      g_object_unref (root);
      files = g_list_append (NULL, file);
      nautilus_launch_application (app_info,
                             files,
                             NULL); /* TODO: what to set here? */
      g_object_unref (file);
      g_list_free (files);
}

static void autorun_dialog_mount_unmounted (GMount *mount, AutorunDialogData *data);

static void
autorun_dialog_destroy (AutorunDialogData *data)
{
      g_signal_handlers_disconnect_by_func (G_OBJECT (data->mount),
                                    G_CALLBACK (autorun_dialog_mount_unmounted),
                                    data);

      gtk_widget_destroy (GTK_WIDGET (data->dialog));
      if (data->selected_app != NULL) {
            g_object_unref (data->selected_app);
      }
      g_object_unref (data->mount);
      g_free (data->x_content_type);
      g_free (data);
}

static void 
autorun_dialog_mount_unmounted (GMount *mount, AutorunDialogData *data)
{
      /* remove the dialog if the media is unmounted */
      autorun_dialog_destroy (data);
}

static void 
autorun_dialog_response (GtkDialog *dialog, gint response, AutorunDialogData *data)
{
      switch (response) {
      case AUTORUN_DIALOG_RESPONSE_EJECT:
            nautilus_file_operations_unmount_mount (GTK_WINDOW (dialog),
                                          data->mount,
                                          data->should_eject,
                                          FALSE);
            break;

      case GTK_RESPONSE_NONE:
            /* window was closed */
            break;
      case GTK_RESPONSE_CANCEL:
            break;
      case GTK_RESPONSE_OK:
            /* do the selected action */

            if (data->remember) {
                  /* make sure we don't ask again */
                  nautilus_autorun_set_preferences (data->x_content_type, TRUE, data->selected_ignore, data->selected_open_folder);
                  if (!data->selected_ignore && !data->selected_open_folder && data->selected_app != NULL) {
                        g_app_info_set_as_default_for_type (data->selected_app,
                                                    data->x_content_type,
                                                    NULL);
                  }
            } else {
                  /* make sure we do ask again */
                  nautilus_autorun_set_preferences (data->x_content_type, FALSE, FALSE, FALSE);
            }

            if (!data->selected_ignore && !data->selected_open_folder && data->selected_app != NULL) {
                  nautilus_autorun_launch_for_mount (data->mount, data->selected_app);
            } else if (!data->selected_ignore && data->selected_open_folder) {
                  if (data->open_window_func != NULL)
                        data->open_window_func (data->mount, data->user_data);
            }
            break;
      }

      autorun_dialog_destroy (data);
}

static void
autorun_combo_changed (gboolean selected_ask,
                   gboolean selected_ignore,
                   gboolean selected_open_folder,
                   GAppInfo *selected_app,
                   gpointer user_data)
{
      AutorunDialogData *data = user_data;

      if (data->selected_app != NULL) {
            g_object_unref (data->selected_app);
      }
      data->selected_app = selected_app != NULL ? g_object_ref (selected_app) : NULL;
      data->selected_ignore = selected_ignore;
      data->selected_open_folder = selected_open_folder;
}


static void
autorun_always_toggled (GtkToggleButton *togglebutton, AutorunDialogData *data)
{
      data->remember = gtk_toggle_button_get_active (togglebutton);
}


/* returns TRUE if a folder window should be opened */
static gboolean
do_autorun_for_content_type (GMount *mount, const char *x_content_type, NautilusAutorunOpenWindow open_window_func, gpointer user_data)
{
      AutorunDialogData *data;
      GtkWidget *dialog;
      GtkWidget *hbox;
      GtkWidget *vbox;
      GtkWidget *label;
      GtkWidget *combo_box;
      GtkWidget *always_check_button;
      GtkWidget *eject_button;
      GtkWidget *image;
      char *markup;
      char *content_description;
      char *mount_name;
      GIcon *icon;
      GdkPixbuf *pixbuf;
      NautilusIconInfo *icon_info;
      int icon_size;
      gboolean user_forced_dialog;
      gboolean pref_ask;
      gboolean pref_start_app;
      gboolean pref_ignore;
      gboolean pref_open_folder;
      char *media_greeting;
      gboolean ret;

      ret = FALSE;
      mount_name = NULL;

      if (g_content_type_is_a (x_content_type, "x-content/win32-software")) {
            /* don't pop up the dialog anyway if the content type says
             * windows software.
             */
            goto out;
      }

      user_forced_dialog = is_shift_pressed ();

      nautilus_autorun_get_preferences (x_content_type, &pref_start_app, &pref_ignore, &pref_open_folder);
      pref_ask = !pref_start_app && !pref_ignore && !pref_open_folder;

      if (user_forced_dialog) {
            goto show_dialog;
      }

      if (!pref_ask && !pref_ignore && !pref_open_folder) {
            GAppInfo *app_info;
            app_info = g_app_info_get_default_for_type (x_content_type, FALSE);
            if (app_info != NULL) {
                  nautilus_autorun_launch_for_mount (mount, app_info);
            }
            goto out;
      }

      if (pref_open_folder) {
            ret = TRUE;
            goto out;
      }

      if (pref_ignore) {
            goto out;
      }

show_dialog:

      mount_name = g_mount_get_name (mount);

      dialog = gtk_dialog_new ();

      gtk_dialog_set_has_separator (GTK_DIALOG (dialog), FALSE);
      hbox = gtk_hbox_new (FALSE, 12);
      gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox, TRUE, TRUE, 0);
      gtk_container_set_border_width (GTK_CONTAINER (hbox), 12);

      icon = g_mount_get_icon (mount);
      icon_size = nautilus_get_icon_size_for_stock_size (GTK_ICON_SIZE_DIALOG);
      icon_info = nautilus_icon_info_lookup (icon, icon_size);
      pixbuf = nautilus_icon_info_get_pixbuf_at_size (icon_info, icon_size);
      g_object_unref (icon_info);
      g_object_unref (icon);
      image = gtk_image_new_from_pixbuf (pixbuf);
      gtk_misc_set_alignment (GTK_MISC (image), 0.5, 0.0);
      gtk_box_pack_start (GTK_BOX (hbox), image, TRUE, TRUE, 0);
      /* also use the icon on the dialog */
      gtk_window_set_title (GTK_WINDOW (dialog), mount_name);
      gtk_window_set_icon (GTK_WINDOW (dialog), pixbuf);
      gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_CENTER);
      g_object_unref (pixbuf);

      vbox = gtk_vbox_new (FALSE, 12);
      gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);

      label = gtk_label_new (NULL);


      /* Customize greeting for well-known x-content types */
      if (strcmp (x_content_type, "x-content/audio-cdda") == 0) {
            media_greeting = _("You have just inserted an Audio CD.");
      } else if (strcmp (x_content_type, "x-content/audio-dvd") == 0) {
            media_greeting = _("You have just inserted an Audio DVD.");
      } else if (strcmp (x_content_type, "x-content/video-dvd") == 0) {
            media_greeting = _("You have just inserted a Video DVD.");
      } else if (strcmp (x_content_type, "x-content/video-vcd") == 0) {
            media_greeting = _("You have just inserted a Video CD.");
      } else if (strcmp (x_content_type, "x-content/video-svcd") == 0) {
            media_greeting = _("You have just inserted a Super Video CD.");
      } else if (strcmp (x_content_type, "x-content/blank-cd") == 0) {
            media_greeting = _("You have just inserted a blank CD.");
      } else if (strcmp (x_content_type, "x-content/blank-dvd") == 0) {
            media_greeting = _("You have just inserted a blank DVD.");
      } else if (strcmp (x_content_type, "x-content/blank-cd") == 0) {
            media_greeting = _("You have just inserted a blank Blu-Ray disc.");
      } else if (strcmp (x_content_type, "x-content/blank-cd") == 0) {
            media_greeting = _("You have just inserted a blank HD DVD.");
      } else if (strcmp (x_content_type, "x-content/image-photocd") == 0) {
            media_greeting = _("You have just inserted a Photo CD.");
      } else if (strcmp (x_content_type, "x-content/image-picturecd") == 0) {
            media_greeting = _("You have just inserted a Picture CD.");
      } else if (strcmp (x_content_type, "x-content/image-dcf") == 0) {
            media_greeting = _("You have just inserted a medium with digital photos.");
      } else if (strcmp (x_content_type, "x-content/audio-player") == 0) {
            media_greeting = _("You have just inserted a digital audio player.");
      } else if (g_content_type_is_a (x_content_type, "x-content/software")) {
            media_greeting = _("You have just inserted a medium with software intended to be automatically started.");
      } else {
            /* fallback to generic greeting */
            media_greeting = _("You have just inserted a medium.");
      }
      markup = g_strdup_printf ("<big><b>%s %s</b></big>", media_greeting, _("Choose what application to launch."));
      gtk_label_set_markup (GTK_LABEL (label), markup);
      g_free (markup);
      gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
      gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
      gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);

      label = gtk_label_new (NULL);
      content_description = g_content_type_get_description (x_content_type);
      markup = g_strdup_printf (_("Select how to open \"%s\" and whether to perform this action in the future for other media of type \"%s\"."), mount_name, content_description);
      g_free (content_description);
      gtk_label_set_markup (GTK_LABEL (label), markup);
      g_free (markup);
      gtk_label_set_line_wrap (GTK_LABEL (label), TRUE);
      gtk_misc_set_alignment (GTK_MISC (label), 0.0, 0.5);
      gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 0);
      
      data = g_new0 (AutorunDialogData, 1);
      data->dialog = dialog;
      data->mount = g_object_ref (mount);
      data->remember = !pref_ask;
      data->selected_ignore = pref_ignore;
      data->x_content_type = g_strdup (x_content_type);
      data->selected_app = g_app_info_get_default_for_type (x_content_type, FALSE);
      data->open_window_func = open_window_func;
      data->user_data = user_data;

      combo_box = gtk_combo_box_new ();
      nautilus_autorun_prepare_combo_box (combo_box, x_content_type, FALSE, TRUE, FALSE, autorun_combo_changed, data);
      gtk_box_pack_start (GTK_BOX (vbox), combo_box, TRUE, TRUE, 0);

      always_check_button = gtk_check_button_new_with_mnemonic (_("_Always perform this action"));
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (always_check_button), data->remember);
      g_signal_connect (G_OBJECT (always_check_button),
                    "toggled",
                    G_CALLBACK (autorun_always_toggled),
                    data);
      gtk_box_pack_start (GTK_BOX (vbox), always_check_button, TRUE, TRUE, 0);

      gtk_dialog_add_buttons (GTK_DIALOG (dialog), 
                        GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
                        GTK_STOCK_OK, GTK_RESPONSE_OK,
                        NULL);
      gtk_dialog_set_default_response (GTK_DIALOG (dialog), GTK_RESPONSE_OK);
      
      if (g_mount_can_eject (mount)) {
            GtkWidget *eject_image;
            eject_button = gtk_button_new_with_mnemonic (_("_Eject"));
            pixbuf = gtk_icon_theme_load_icon (gtk_icon_theme_get_default (),
                                       "media-eject",
                                       nautilus_get_icon_size_for_stock_size (GTK_ICON_SIZE_BUTTON),
                                       0,
                                       NULL);
            eject_image = gtk_image_new_from_pixbuf (pixbuf);
            g_object_unref (pixbuf);
            gtk_button_set_image (GTK_BUTTON (eject_button), eject_image);
            data->should_eject = TRUE;
      } else {
            eject_button = gtk_button_new_with_mnemonic (_("_Unmount"));
            data->should_eject = FALSE;
      }
      gtk_dialog_add_action_widget (GTK_DIALOG (dialog), eject_button, AUTORUN_DIALOG_RESPONSE_EJECT);
      gtk_button_box_set_child_secondary (GTK_BUTTON_BOX (GTK_DIALOG (dialog)->action_area), eject_button, TRUE);

      /* show the dialog */
      gtk_widget_show_all (dialog);

      g_signal_connect (G_OBJECT (dialog),
                    "response",
                    G_CALLBACK (autorun_dialog_response),
                    data);

      g_signal_connect (G_OBJECT (data->mount),
                    "unmounted",
                    G_CALLBACK (autorun_dialog_mount_unmounted),
                    data);

out:
      g_free (mount_name);
      return ret;
}

01053 typedef struct {
      GMount *mount;
      NautilusAutorunOpenWindow open_window_func;
      gpointer user_data;
} AutorunData;

static void
autorun_guessed_content_type_callback (GObject *source_object,
                               GAsyncResult *res,
                               gpointer user_data)
{
      GError *error;
      char **guessed_content_type;
      AutorunData *data = user_data;
      gboolean open_folder;

      open_folder = FALSE;

      error = NULL;
      guessed_content_type = g_mount_guess_content_type_finish (G_MOUNT (source_object), res, &error);
      g_object_set_data_full (source_object,
                        "nautilus-content-type-cache",
                        g_strdupv (guessed_content_type),
                        (GDestroyNotify)g_strfreev);
      if (error != NULL) {
            g_warning ("Unabled to guess content type for mount: %s", error->message);
            g_error_free (error);
      } else {
            if (guessed_content_type != NULL && g_strv_length (guessed_content_type) > 0) {
                  int n;
                  for (n = 0; guessed_content_type[n] != NULL; n++) {
                        if (do_autorun_for_content_type (data->mount, guessed_content_type[n], 
                                                 data->open_window_func, data->user_data)) {
                              open_folder = TRUE;
                        }
                  }
                  g_strfreev (guessed_content_type);
            } else {
                  if (eel_preferences_get_boolean (NAUTILUS_PREFERENCES_MEDIA_AUTOMOUNT_OPEN))
                        open_folder = TRUE;
            }
      }

      /* only open the folder once.. */
      if (open_folder && data->open_window_func != NULL) {
            data->open_window_func (data->mount, data->user_data);
      }

      g_object_unref (data->mount);
      g_free (data);
}

void
nautilus_autorun (GMount *mount, NautilusAutorunOpenWindow open_window_func, gpointer user_data)
{
      AutorunData *data;

      if (!should_autorun_mount (mount) ||
          eel_preferences_get_boolean (NAUTILUS_PREFERENCES_MEDIA_AUTORUN_NEVER)) {
            return;
      }

      data = g_new0 (AutorunData, 1);
      data->mount = g_object_ref (mount);
      data->open_window_func = open_window_func;
      data->user_data = user_data;

      g_mount_guess_content_type (mount,
                            FALSE,
                            NULL,
                            autorun_guessed_content_type_callback,
                            data);
}

01127 typedef struct {
      NautilusAutorunGetContent callback;
      gpointer user_data;
} GetContentTypesData;

static void
get_types_cb (GObject *source_object,
            GAsyncResult *res,
            gpointer user_data)
{
      GetContentTypesData *data;
      char **types;

      data = user_data;
      types = g_mount_guess_content_type_finish (G_MOUNT (source_object), res, NULL);

      g_object_set_data_full (source_object,
                        "nautilus-content-type-cache",
                        g_strdupv (types),
                        (GDestroyNotify)g_strfreev);

      if (data->callback) {
            data->callback (types, data->user_data);
      }
      g_strfreev (types);
      g_free (data);
}

void
nautilus_autorun_get_x_content_types_for_mount_async (GMount *mount,
                                          NautilusAutorunGetContent callback,
                                          GCancellable *cancellable,
                                          gpointer user_data)
{
      char **cached;
      GetContentTypesData *data;
      
      if (mount == NULL) {
            if (callback) {
                  callback (NULL, user_data);
            }
            return;
      }

      cached = g_object_get_data (G_OBJECT (mount), "nautilus-content-type-cache");
      if (cached != NULL) {
            if (callback) {
                  callback (cached, user_data);
            }
            return;
      }

      data = g_new (GetContentTypesData, 1);
      data->callback = callback;
      data->user_data = user_data;

      g_mount_guess_content_type (mount,
                            FALSE,
                            cancellable,
                            get_types_cb,
                            data);
}


char **
nautilus_autorun_get_cached_x_content_types_for_mount (GMount      *mount)
{
      char **cached;
      
      if (mount == NULL) {
            return NULL;
      }

      cached = g_object_get_data (G_OBJECT (mount), "nautilus-content-type-cache");
      if (cached != NULL) {
            return g_strdupv (cached);
      }

      return NULL;
}

static gboolean
remove_allow_volume (gpointer data)
{
      GVolume *volume = data;

      g_object_set_data (G_OBJECT (volume), "nautilus-allow-autorun", NULL);
      return FALSE;
}

void
nautilus_allow_autorun_for_volume (GVolume *volume)
{
      g_object_set_data (G_OBJECT (volume), "nautilus-allow-autorun", GINT_TO_POINTER (1));
}

#define INHIBIT_AUTORUN_SECONDS 10

void
nautilus_allow_autorun_for_volume_finish (GVolume *volume)
{
      if (g_object_get_data (G_OBJECT (volume), "nautilus-allow-autorun") != NULL) {
            g_timeout_add_seconds_full (0,
                                  INHIBIT_AUTORUN_SECONDS,
                                  remove_allow_volume,
                                  g_object_ref (volume),
                                  g_object_unref);
      }
}

static gboolean
should_skip_native_mount_root (GFile *root)
{
      char *path;
      gboolean should_skip;

      /* skip any mounts in hidden directory hierarchies */
      path = g_file_get_path (root);
      should_skip = strstr (path, "/.") != NULL;
      g_free (path);

      return should_skip;
}

static gboolean
should_autorun_mount (GMount *mount)
{
      GFile *root;
      GVolume *enclosing_volume;
      gboolean ignore_autorun;

      ignore_autorun = TRUE;
      enclosing_volume = g_mount_get_volume (mount);
      if (enclosing_volume != NULL) {
            if (g_object_get_data (G_OBJECT (enclosing_volume), "nautilus-allow-autorun") != NULL) {
                  ignore_autorun = FALSE;
                  g_object_set_data (G_OBJECT (enclosing_volume), "nautilus-allow-autorun", NULL);
            }
      }

      if (ignore_autorun) {
            if (enclosing_volume != NULL) {
                  g_object_unref (enclosing_volume);
            }
            return FALSE;
      }
      
      root = g_mount_get_root (mount);

      /* only do autorun on local files or files where g_volume_should_automount() returns TRUE */
      ignore_autorun = TRUE;
      if ((g_file_is_native (root) && !should_skip_native_mount_root (root)) || 
          (enclosing_volume != NULL && g_volume_should_automount (enclosing_volume))) {
            ignore_autorun = FALSE;
      }
      if (enclosing_volume != NULL) {
            g_object_unref (enclosing_volume);
      }
      g_object_unref (root);

      return !ignore_autorun;
}

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