1 files changed, 180 insertions, 0 deletions

diff --git a/src/fs/gnunet-fs-gtk_open-directory.c b/src/fs/gnunet-fs-gtk_open-directory.c
new file mode 100644
index 00000000..33ca2003
--- /dev/null
+++ b/src/fs/gnunet-fs-gtk_open-directory.c
@@ -0,0 +1,180 @@
+/*
+     This file is part of GNUnet
+     (C) 2005, 2006, 2010 Christian Grothoff (and other contributing authors)
+
+     GNUnet 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, or (at your
+     option) any later version.
+
+     GNUnet 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 GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file src/fs/gnunet-fs-gtk_open-directory.c
+ * @author Christian Grothoff
+ */
+#include "gnunet-fs-gtk_common.h"
+#include "gnunet-fs-gtk_event-handler.h"
+
+
+/**
+ * Closure for 'add_child' function.
+ */
+struct AddChildContext
+{
+  /**
+   * Name of the directory file.
+   */
+  const char *filename;
+
+  /**
+   * Tree store where we will add entries.
+   */
+  GtkTreeStore *ts;
+
+  /**
+   * Tab we've opened for the directory.
+   */
+  struct SearchTab *tab;
+
+  /**
+   * Row reference to the directorie's parent entry.
+   */
+  GtkTreeRowReference *prr;
+
+};
+
+
+/**
+ * Function used to process entries in a directory.  Adds each
+ * entry to our tab.
+ *
+ * @param cls closure, our 'struct AddChildContext*'
+ * @param filename name of the file in the directory
+ * @param uri URI of the file
+ * @param metadata metadata for the file; metadata for
+ *        the directory if everything else is NULL/zero
+ * @param length length of the available data for the file
+ *           (of type size_t since data must certainly fit
+ *            into memory; if files are larger than size_t
+ *            permits, then they will certainly not be
+ *            embedded with the directory itself).
+ * @param data data available for the file (length bytes)
+ */
+static void
+add_child (void *cls, const char *filename, const struct GNUNET_FS_Uri *uri,
+           const struct GNUNET_CONTAINER_MetaData *meta, size_t length,
+           const void *data)
+{
+  struct AddChildContext *acc = cls;
+  GtkTreeIter iter;
+
+  if (NULL == uri)
+  {
+    /* directory meta data itself, create parent entry */
+    struct GNUNET_CONTAINER_MetaData *dmeta;
+    GtkTreePath *tp;
+
+    dmeta = GNUNET_CONTAINER_meta_data_duplicate (meta);
+    GNUNET_CONTAINER_meta_data_insert (dmeta, "<user>",
+                                       EXTRACTOR_METATYPE_FILENAME,
+                                       EXTRACTOR_METAFORMAT_UTF8, "text/plain",
+                                       acc->filename,
+                                       strlen (acc->filename) + 1);
+    acc->tab = GNUNET_GTK_add_to_uri_tab (&iter, NULL, dmeta, NULL);
+    tp = gtk_tree_model_get_path (GTK_TREE_MODEL (acc->tab->ts), &iter);
+    acc->prr = gtk_tree_row_reference_new (GTK_TREE_MODEL (acc->tab->ts), tp);
+    gtk_tree_path_free (tp);
+    acc->ts = acc->tab->ts;
+    GNUNET_CONTAINER_meta_data_destroy (dmeta);
+    return;
+  }
+  if (NULL == acc->ts)
+  {
+    GNUNET_break (0);
+    return;
+  }
+  GNUNET_assert (NULL !=
+                 GNUNET_GTK_add_search_result (acc->tab, &iter, acc->prr, uri,
+                                               meta, NULL, 0));
+}
+
+
+/**
+ * Function called from the open-directory dialog upon completion.
+ *
+ * @param dialog the pseudonym selection dialog
+ * @param response_id response code from the dialog
+ * @param user_data the builder of the dialog
+ */
+void
+GNUNET_GTK_open_directory_dialog_response_cb (GtkDialog * dialog,
+                                              gint response_id,
+                                              gpointer user_data)
+{
+  GtkBuilder *builder = GTK_BUILDER (user_data);
+  char *filename;
+  struct AddChildContext acc;
+
+  if (-5 != response_id)
+  {
+    gtk_widget_destroy (GTK_WIDGET (dialog));
+    g_object_unref (G_OBJECT (builder));
+    return;
+  }
+  filename = GNUNET_GTK_filechooser_get_filename_utf8 (GTK_FILE_CHOOSER (dialog));
+  gtk_widget_destroy (GTK_WIDGET (dialog));
+  g_object_unref (G_OBJECT (builder));
+  acc.filename = filename;
+  acc.ts = NULL;
+  GNUNET_FS_GTK_mmap_and_scan (filename, &add_child, &acc);
+  g_free (filename);
+}
+
+
+/**
+ * User selected "Open directory" in menu.  Display dialog, open
+ * file and then display a new tab with its contents.
+ *
+ * @param dummy the menu entry
+ * @param user_data the main dialog builder, unused
+ */
+void
+GNUNET_GTK_main_menu_file_open_gnunet_directory_activate_cb (GtkWidget * dummy,
+                                                             gpointer data)
+{
+  GtkWidget *ad;
+  GtkBuilder *builder;
+  GtkWidget *toplevel;
+  GtkFileFilter *ff;
+
+  builder =
+    GNUNET_GTK_get_new_builder ("gnunet_fs_gtk_open_directory_dialog.glade", NULL);
+  if (NULL == builder)
+  {
+    GNUNET_break (0);
+    return;
+  }
+  ad = GTK_WIDGET (gtk_builder_get_object
+                   (builder, "GNUNET_GTK_open_directory_dialog"));
+  ff = GTK_FILE_FILTER (gtk_builder_get_object
+                        (builder, "gnunet_directory_filter"));
+  /* FIXME: some day, write a custom file filter for gnunet-directories... */
+  gtk_file_filter_add_pattern (ff, "*" GNUNET_FS_DIRECTORY_EXT);
+
+  toplevel = gtk_widget_get_toplevel (dummy);
+  if (GTK_IS_WINDOW (toplevel))
+    gtk_window_set_transient_for (GTK_WINDOW (ad), GTK_WINDOW (toplevel));
+  gtk_window_present (GTK_WINDOW (ad));
+}
+
+/* end of gnunet-fs-gtk_open-directory.c */