/*
     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-main_window_file_download.c
 * @author Christian Grothoff
 */
#include "gnunet-fs-gtk-common.h"
#include "gnunet-fs-gtk-download.h"
#include "gnunet-fs-gtk.h"
#include <gdk/gdkkeysyms.h>

/**
 * User selected "Open URI" in main window.
 */
void
GNUNET_GTK_main_menu_file_download_uri_activate_cb (GtkWidget * dummy,
                                                    gpointer user_data)
{
  GtkBuilder *builder;
  GtkWidget *dialog;
  GtkTextBuffer *tb;
  GtkTextIter ti_start, ti_end;

  builder = GTK_BUILDER (user_data);

  dialog =
      GTK_WIDGET (gtk_builder_get_object
                  (builder, "GNUNET_GTK_open_url_window"));

  tb = GTK_TEXT_BUFFER (gtk_builder_get_object
                        (builder,
                         "GNUNET_GTK_open_url_dialog_url_textview_buffer"));
  gtk_text_buffer_get_iter_at_offset (tb, &ti_start, 0);
  gtk_text_buffer_get_iter_at_offset (tb, &ti_end, -1);
  gtk_text_buffer_delete (tb, &ti_start, &ti_end);

  /* TODO: queue the clipboard, maybe there's valid URI in there?
   * If so, get it. */

  gtk_widget_show (dialog);
}

void
GNUNET_GTK_open_url_dialog_execute_button_clicked_cb (GtkButton * button,
                                                      gpointer user_data)
{
  GtkBuilder *builder;
  GtkWidget *dialog;
  GtkTextBuffer *tb;
  GtkTextIter ti_start, ti_end;
  guint anonymity_level;
  char *perr;
  char *uris;
  struct GNUNET_FS_Uri *uri;

  builder = GTK_BUILDER (user_data);

  dialog =
      GTK_WIDGET (gtk_builder_get_object
                  (builder, "GNUNET_GTK_open_url_window"));

  gtk_widget_hide (dialog);

  tb = GTK_TEXT_BUFFER (gtk_builder_get_object
                        (builder,
                         "GNUNET_GTK_open_url_dialog_url_textview_buffer"));
  gtk_text_buffer_get_iter_at_offset (tb, &ti_start, 0);
  gtk_text_buffer_get_iter_at_offset (tb, &ti_end, -1);

  uris = gtk_text_buffer_get_text (tb, &ti_start, &ti_end, FALSE);

  if (!GNUNET_GTK_get_selected_anonymity_level
      (builder, "main_window_search_anonymity_combobox", &anonymity_level))
    return;

  uri = GNUNET_FS_uri_parse (uris, &perr);
  g_free (uris);
  if (uri == NULL)
  {
    GNUNET_free (perr);
    /* Why was "execute" button sensitive!? */
    GNUNET_break (0);
    return;
  }
  if (GNUNET_FS_uri_test_sks (uri) || GNUNET_FS_uri_test_ksk (uri))
  {
    fprintf (stderr, "Starting search!\n");
    GNUNET_break (NULL !=
                  GNUNET_FS_search_start (GNUNET_FS_GTK_get_fs_handle (), uri,
                                          anonymity_level,
                                          GNUNET_FS_SEARCH_OPTION_NONE, NULL));
    GNUNET_FS_uri_destroy (uri);
    return;
  }
  if (GNUNET_FS_uri_test_chk (uri) || GNUNET_FS_uri_test_loc (uri))
  {
    struct DownloadContext *dc;

    dc = GNUNET_malloc (sizeof (struct DownloadContext));
    dc->uri = uri;
    dc->anonymity = anonymity_level;
    dc->cb = GNUNET_FS_GTK_default_open_download_as_callback;
    GNUNET_FS_GTK_open_download_as_dialog (dc);
    return;
  }
  GNUNET_break (0);
  GNUNET_FS_uri_destroy (uri);
}

void
GNUNET_GTK_open_url_dialog_cancel_button_clicked_cb (GtkButton * button,
                                                     gpointer user_data)
{
  GtkBuilder *builder;

  builder = GTK_BUILDER (user_data);

  gtk_widget_hide (GTK_WIDGET
                   (gtk_builder_get_object
                    (builder, "GNUNET_GTK_open_url_window")));
  return;
}

gboolean
GNUNET_GTK_open_url_window_delete_event_cb (GtkWidget * widget,
                                            GdkEvent * event,
                                            gpointer user_data)
{
  GtkBuilder *builder;

  builder = GTK_BUILDER (user_data);

  gtk_widget_hide (GTK_WIDGET
                   (gtk_builder_get_object
                    (builder, "GNUNET_GTK_open_url_window")));
  return TRUE;
}

#ifndef GDK_KEY_Return
#define GDK_KEY_Return GDK_Return
#endif

gboolean
GNUNET_GTK_open_url_dialog_url_textview_key_press_event_cb (GtkWidget * widget,
                                                            GdkEventKey * event,
                                                            gpointer user_data)
{
  GtkBuilder *builder;

  builder = GTK_BUILDER (user_data);

  if (event->keyval == GDK_KEY_Return)
  {
    GtkWidget *execute = GTK_WIDGET (gtk_builder_get_object (builder,
                                                             "GNUNET_GTK_open_url_dialog_execute_button"));

    if (gtk_widget_get_sensitive (execute))
      GNUNET_GTK_open_url_dialog_execute_button_clicked_cb (GTK_BUTTON
                                                            (execute),
                                                            user_data);
    return TRUE;
  }
  return FALSE;
}

void
GNUNET_GTK_open_url_dialog_url_textview_buffer_changed_cb (GtkTextBuffer *
                                                           textbuffer,
                                                           gpointer user_data)
{
  struct GNUNET_FS_Uri *uri;
  GtkTextBuffer *tb;
  GtkTextIter ti_start, ti_end;
  GtkBuilder *builder;
  char *perr;
  char *uris;

  builder = GTK_BUILDER (user_data);

  perr = NULL;
  tb = GTK_TEXT_BUFFER (gtk_builder_get_object
                        (builder,
                         "GNUNET_GTK_open_url_dialog_url_textview_buffer"));
  gtk_text_buffer_get_iter_at_offset (tb, &ti_start, 0);
  gtk_text_buffer_get_iter_at_offset (tb, &ti_end, -1);

  uris = gtk_text_buffer_get_text (tb, &ti_start, &ti_end, FALSE);
  if (uris != NULL)
    uri = GNUNET_FS_uri_parse (uris, &perr);
  else
    uri = NULL;
  g_free (uris);
  gtk_widget_set_sensitive (GTK_WIDGET
                            (gtk_builder_get_object
                             (builder,
                              "GNUNET_GTK_open_url_dialog_execute_button")),
                            (uri == NULL) ? FALSE : TRUE);
  if (uri != NULL)
    GNUNET_FS_uri_destroy (uri);
  else
    GNUNET_free_non_null (perr);
}

/* end of gnunet-fs-gtk-main_window_file_download.c */