static void
photos_item_manager_add_object (PhotosBaseManager *mngr, GObject *object)
{
  PhotosItemManager *self = PHOTOS_ITEM_MANAGER (mngr);
  PhotosBaseItem *item;
  const gchar *id;
  gpointer *old_collection;

  g_return_if_fail (PHOTOS_IS_BASE_ITEM (object));

  item = PHOTOS_BASE_ITEM (object);

  if (!photos_base_item_is_collection (item))
    goto end;

  id = photos_filterable_get_id (PHOTOS_FILTERABLE (item));
  if (id == NULL)
    goto end;

  old_collection = g_hash_table_lookup (self->collections, id);
  if (old_collection != NULL)
    goto end;

  g_hash_table_insert (self->collections, g_strdup (id), g_object_ref (item));

 end:
  PHOTOS_BASE_MANAGER_CLASS (photos_item_manager_parent_class)->add_object (mngr, object);
}
static void
photos_export_dialog_constructed (GObject *object)
{
  PhotosExportDialog *self = PHOTOS_EXPORT_DIALOG (object);

  G_OBJECT_CLASS (photos_export_dialog_parent_class)->constructed (object);

  if (photos_base_item_is_collection (self->item))
    {
      const gchar *name;

      name = photos_base_item_get_name_with_fallback (self->item);
      gtk_entry_set_text (GTK_ENTRY (self->dir_entry), name);
    }
  else
    {
      GDateTime *now;
      GeglRectangle bbox;
      gboolean got_bbox_edited;
      gchar *now_str;
      gint max_dimension;
      guint i;

      got_bbox_edited = photos_base_item_get_bbox_edited (self->item, &bbox);
      g_return_if_fail (got_bbox_edited);

      max_dimension = MAX (bbox.height, bbox.width);
      for (i = 0; i < G_N_ELEMENTS (PIXEL_SIZES); i++)
        {
          if (max_dimension > PIXEL_SIZES[i])
            {
              self->reduced_zoom = (gdouble) PIXEL_SIZES[i] / (gdouble) max_dimension;
              photos_export_dialog_show_size_options (self);
              photos_base_item_save_guess_sizes_async (self->item,
                                                       self->cancellable,
                                                       photos_export_dialog_guess_sizes,
                                                       self);
              break;
            }
        }

      now = g_date_time_new_now_local ();

      /* Translators: this is the default sub-directory where photos
       *  will be exported.
       */
      now_str = g_date_time_format (now, _("%e %B %Y"));

      gtk_entry_set_text (GTK_ENTRY (self->dir_entry), now_str);

      g_free (now_str);
      g_date_time_unref (now);
    }
}
static void
photos_view_container_item_activated (PhotosViewContainer *self, const gchar * id, const GtkTreePath *path)
{
  PhotosViewContainerPrivate *priv = self->priv;
  GObject *object;

  priv->current_path = gtk_tree_path_copy (path);
  object = photos_base_manager_get_object_by_id (priv->item_mngr, id);

  if (!photos_base_item_is_collection (PHOTOS_BASE_ITEM (object)) &&
      photos_remote_display_manager_is_active (priv->remote_mngr))
    photos_remote_display_manager_render (priv->remote_mngr, PHOTOS_BASE_ITEM (object));
  else
    photos_base_manager_set_active_object (priv->item_mngr, object);
}
static void
photos_import_dialog_add_collection (PhotosImportDialog *self, PhotosBaseItem *collection)
{
  const gchar *id;
  const gchar *identifier;

  g_return_if_fail (photos_base_item_is_collection (collection));

  id = photos_filterable_get_id (PHOTOS_FILTERABLE (collection));
  identifier = photos_base_item_get_identifier (collection);
  g_return_if_fail (g_strcmp0 (id, PHOTOS_COLLECTION_SCREENSHOT) == 0
                    || (identifier != NULL && g_str_has_prefix (identifier,
                                                                PHOTOS_QUERY_LOCAL_COLLECTIONS_IDENTIFIER)));

  g_hash_table_insert (self->collections, (gpointer) id, g_object_ref (collection));
}
示例#5
0
GIcon *
photos_utils_get_icon_from_item (PhotosBaseItem *item)
{
  GIcon *icon = NULL;
  gboolean is_remote = FALSE;
  const gchar *identifier;
  const gchar *mime_type;

  identifier = photos_base_item_get_identifier (item);
  if (identifier != NULL)
    {
      if (g_str_has_prefix (identifier, "facebook:") ||
          g_str_has_prefix (identifier, "flickr:") ||
          g_str_has_prefix (identifier, "google:"))
        is_remote = TRUE;
    }

  if (!is_remote)
    icon = photos_utils_get_thumbnail_icon (item);

  if (icon != NULL)
    goto out;

  mime_type = photos_base_item_get_mime_type (item);
  if (mime_type != NULL)
    icon = g_content_type_get_icon (mime_type);

  if (icon != NULL)
    goto out;

  if (photos_base_item_is_collection (item))
    {
      gint size;

      size = photos_utils_get_icon_size ();
      icon = photos_utils_create_collection_icon (size, NULL);
    }

  if (icon != NULL)
    goto out;

  icon = g_themed_icon_new ("image-x-generic");

 out:
  return icon;
}
示例#6
0
static PhotosBaseItem *
photos_preview_nav_buttons_get_previous_item (PhotosPreviewNavButtons *self)
{
  PhotosBaseItem *item;
  PhotosBaseItem *previous_item;
  PhotosBaseManager *item_mngr_chld;

  item = PHOTOS_BASE_ITEM (photos_base_manager_get_active_object (self->item_mngr));
  item_mngr_chld = photos_item_manager_get_for_mode (PHOTOS_ITEM_MANAGER (self->item_mngr), self->old_mode);

  do
    {
      previous_item = PHOTOS_BASE_ITEM (photos_base_manager_get_previous_object (item_mngr_chld, G_OBJECT (item)));
      item = previous_item;
    } while (item != NULL && photos_base_item_is_collection (item));

  return previous_item;
}
static void
photos_item_manager_changes_pending_foreach (gpointer key, gpointer value, gpointer user_data)
{
  PhotosItemManager *self = PHOTOS_ITEM_MANAGER (user_data);
  PhotosItemManagerPrivate *priv = self->priv;
  PhotosTrackerChangeEvent *change_event = (PhotosTrackerChangeEvent *) value;
  PhotosTrackerChangeEventType change_type;
  const gchar *change_urn;

  change_type = photos_tracker_change_event_get_type (change_event);
  change_urn = photos_tracker_change_event_get_urn (change_event);

  if (change_type == PHOTOS_TRACKER_CHANGE_EVENT_CHANGED)
    {
      GObject *object;

      object = photos_base_manager_get_object_by_id (PHOTOS_BASE_MANAGER (self), change_urn);
      if (object != NULL)
        photos_base_item_refresh (PHOTOS_BASE_ITEM (object));
    }
  else if (change_type == PHOTOS_TRACKER_CHANGE_EVENT_CREATED)
    {
      photos_item_manager_item_created (self, change_urn);
    }
  else if (change_type == PHOTOS_TRACKER_CHANGE_EVENT_DELETED)
    {
      GObject *object;

      object = photos_base_manager_get_object_by_id (PHOTOS_BASE_MANAGER (self), change_urn);
      if (object != NULL)
        {
          photos_base_item_destroy (PHOTOS_BASE_ITEM (object));
          if (photos_base_item_is_collection (PHOTOS_BASE_ITEM (object)))
            photos_base_manager_remove_object_by_id (priv->col_mngr, change_urn);
          photos_base_manager_remove_object_by_id (PHOTOS_BASE_MANAGER (self), change_urn);
        }
    }
}
示例#8
0
static void
photos_export_dialog_constructed (GObject *object)
{
  PhotosExportDialog *self = PHOTOS_EXPORT_DIALOG (object);

  G_OBJECT_CLASS (photos_export_dialog_parent_class)->constructed (object);

  if (photos_base_item_is_collection (self->item))
    {
      const gchar *name;

      name = photos_base_item_get_name_with_fallback (self->item);
      gtk_entry_set_text (GTK_ENTRY (self->dir_entry), name);
    }
  else
    {
      g_autoptr (GDateTime) now = NULL;
      g_autofree gchar *now_str = NULL;

      now = g_date_time_new_now_local ();

      /* Translators: this is the default sub-directory where photos
       * will be exported.
       */
      now_str = g_date_time_format (now, _("%-d %B %Y"));

      gtk_entry_set_text (GTK_ENTRY (self->dir_entry), now_str);

      photos_export_dialog_show_size_options (self, FALSE, TRUE);
      photos_base_item_guess_save_sizes_async (self->item,
                                               self->cancellable,
                                               photos_export_dialog_guess_sizes,
                                               self);
    }

  gtk_widget_grab_focus (self->dir_entry);
}
static gboolean
photos_item_manager_set_active_object (PhotosBaseManager *manager, GObject *object)
{
  PhotosItemManager *self = PHOTOS_ITEM_MANAGER (manager);
  PhotosItemManagerPrivate *priv = self->priv;
  GtkRecentManager *recent;
  gboolean ret_val;
  const gchar *uri;

  g_return_val_if_fail (PHOTOS_IS_BASE_ITEM (object) || object == NULL, FALSE);

  ret_val = PHOTOS_BASE_MANAGER_CLASS (photos_item_manager_parent_class)->set_active_object (manager, object);

  if (!ret_val)
    goto out;

  if (object == NULL)
    goto out;

  if (photos_base_item_is_collection (PHOTOS_BASE_ITEM (object)))
    {
      GObject *collection;

      collection = photos_base_manager_get_active_object (priv->col_mngr);
      g_queue_push_head (priv->collection_path, (collection != NULL) ? g_object_ref (collection) : NULL);
      photos_base_manager_set_active_object (priv->col_mngr, object);
      goto out;
    }

  recent = gtk_recent_manager_get_default ();
  uri = photos_base_item_get_uri (PHOTOS_BASE_ITEM (object));
  gtk_recent_manager_add_item (recent, uri);

 out:
  return ret_val;
}
static void
photos_properties_dialog_constructed (GObject *object)
{
  PhotosPropertiesDialog *self = PHOTOS_PROPERTIES_DIALOG (object);
  GApplication *app;
  g_autoptr (GDateTime) date_modified = NULL;
  GtkStyleContext *context;
  GtkWidget *author_w = NULL;
  GtkWidget *content_area;
  GtkWidget *date_created_w = NULL;
  GtkWidget *date_modified_data;
  GtkWidget *date_modified_w;
  GtkWidget *dimensions_w = NULL;
  GtkWidget *exposure_time_w = NULL;
  GtkWidget *flash_w = NULL;
  GtkWidget *fnumber_w = NULL;
  GtkWidget *focal_length_w = NULL;
  GtkWidget *iso_speed_w = NULL;
  GtkWidget *item_type;
  GtkWidget *item_type_data;
  GtkWidget *modified_w = NULL;
  GtkWidget *source;
  GtkWidget *source_data;
  GtkWidget *title;
  GQuark equipment;
  GQuark flash;
  PhotosBaseItem *item;
  PhotosSearchContextState *state;
  const gchar *author;
  const gchar *location;
  const gchar *name;
  const gchar *type_description;
  g_autofree gchar *date_created_str = NULL;
  g_autofree gchar *date_modified_str = NULL;
  gdouble exposure_time;
  gdouble fnumber;
  gdouble focal_length;
  gdouble iso_speed;
  gint64 ctime;
  gint64 mtime;
  glong height;
  glong width;

  G_OBJECT_CLASS (photos_properties_dialog_parent_class)->constructed (object);

  app = g_application_get_default ();
  state = photos_search_context_get_state (PHOTOS_SEARCH_CONTEXT (app));

  self->item_mngr = g_object_ref (state->item_mngr);

  {
    g_autoptr (GError) error = NULL;

    self->queue = photos_tracker_queue_dup_singleton (NULL, &error);
    if (G_UNLIKELY (error != NULL))
      g_warning ("Unable to create PhotosTrackerQueue: %s", error->message);
  }

  item = PHOTOS_BASE_ITEM (photos_base_manager_get_object_by_id (self->item_mngr, self->urn));

  mtime = photos_base_item_get_mtime (item);
  date_modified = g_date_time_new_from_unix_local (mtime);
  date_modified_str = g_date_time_format (date_modified, "%c");

  ctime = photos_base_item_get_date_created (item);
  if (ctime >= 0)
    {
      g_autoptr (GDateTime) date_created = NULL;

      date_created = g_date_time_new_from_unix_local (ctime);
      date_created_str = g_date_time_format (date_created, "%c");
    }

  self->grid = gtk_grid_new ();
  gtk_widget_set_halign (self->grid, GTK_ALIGN_CENTER);
  gtk_widget_set_margin_start (self->grid, 24);
  gtk_widget_set_margin_end (self->grid, 24);
  gtk_widget_set_margin_bottom (self->grid, 12);
  gtk_widget_set_margin_top (self->grid, 12);
  gtk_orientable_set_orientation (GTK_ORIENTABLE (self->grid), GTK_ORIENTATION_VERTICAL);
  gtk_grid_set_column_homogeneous (GTK_GRID (self->grid), TRUE);
  gtk_grid_set_column_spacing (GTK_GRID (self->grid), 24);
  gtk_grid_set_row_homogeneous (GTK_GRID (self->grid), TRUE);
  gtk_grid_set_row_spacing (GTK_GRID (self->grid), 6);

  content_area = gtk_dialog_get_content_area (GTK_DIALOG (self));
  gtk_box_pack_start (GTK_BOX (content_area), self->grid, TRUE, TRUE, 2);

  /* Translators: this is the label next to the photo title in the
   * properties dialog
   */
  title = gtk_label_new (C_("Document Title", "Title"));
  gtk_widget_set_halign (title, GTK_ALIGN_END);
  context = gtk_widget_get_style_context (title);
  gtk_style_context_add_class (context, "dim-label");
  gtk_container_add (GTK_CONTAINER (self->grid), title);

  author = photos_base_item_get_author (item);
  if (author != NULL && author[0] != '\0')
    {
      /* Translators: this is the label next to the photo author in
       * the properties dialog
       */
      author_w = gtk_label_new (C_("Document Author", "Author"));
      gtk_widget_set_halign (author_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (author_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), author_w);
    }

  source = gtk_label_new (_("Source"));
  gtk_widget_set_halign (source, GTK_ALIGN_END);
  context = gtk_widget_get_style_context (source);
  gtk_style_context_add_class (context, "dim-label");
  gtk_container_add (GTK_CONTAINER (self->grid), source);

  date_modified_w = gtk_label_new (_("Date Modified"));
  gtk_widget_set_halign (date_modified_w, GTK_ALIGN_END);
  context = gtk_widget_get_style_context (date_modified_w);
  gtk_style_context_add_class (context, "dim-label");
  gtk_container_add (GTK_CONTAINER (self->grid), date_modified_w);

  if (date_created_str != NULL)
    {
      date_created_w = gtk_label_new (_("Date Created"));
      gtk_widget_set_halign (date_created_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (date_created_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), date_created_w);
    }

  /* Translators: this is the label next to the photo type in the
   * properties dialog
   */
  item_type = gtk_label_new (C_("Document Type", "Type"));
  gtk_widget_set_halign (item_type, GTK_ALIGN_END);
  context = gtk_widget_get_style_context (item_type);
  gtk_style_context_add_class (context, "dim-label");
  gtk_container_add (GTK_CONTAINER (self->grid), item_type);

  height = (glong) photos_base_item_get_height (item);
  width = (glong) photos_base_item_get_width (item);
  if (height > 0 && width > 0)
    {
      dimensions_w = gtk_label_new (_("Dimensions"));
      gtk_widget_set_halign (dimensions_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (dimensions_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), dimensions_w);
    }

  location = photos_base_item_get_location (item);
  if (location != NULL && location[0] != '\0' && G_LIKELY (self->queue != NULL))
    {
      g_autoptr (PhotosQuery) query = NULL;

      self->location_w = gtk_label_new (_("Location"));
      gtk_widget_set_halign (self->location_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (self->location_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), self->location_w);

      query = photos_query_builder_location_query (state, location);
      photos_tracker_queue_select (self->queue,
                                   query,
                                   NULL,
                                   photos_properties_dialog_location_query_executed,
                                   g_object_ref (self),
                                   g_object_unref);
    }

  equipment = photos_base_item_get_equipment (item);
  if (equipment != 0)
    {
      self->camera_w = gtk_label_new (_("Camera"));
      gtk_widget_set_halign (self->camera_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (self->camera_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), self->camera_w);
    }

  exposure_time = photos_base_item_get_exposure_time (item);
  if (exposure_time > 0.0)
    {
      exposure_time_w = gtk_label_new (_("Exposure"));
      gtk_widget_set_halign (exposure_time_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (exposure_time_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), exposure_time_w);
    }

  fnumber = photos_base_item_get_fnumber (item);
  if (fnumber > 0.0)
    {
      fnumber_w = gtk_label_new (_("Aperture"));
      gtk_widget_set_halign (fnumber_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (fnumber_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), fnumber_w);
    }

  focal_length = photos_base_item_get_focal_length (item);
  if (focal_length > 0.0)
    {
      focal_length_w = gtk_label_new (_("Focal Length"));
      gtk_widget_set_halign (focal_length_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (focal_length_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), focal_length_w);
    }

  iso_speed = photos_base_item_get_iso_speed (item);
  if (iso_speed > 0.0)
    {
      iso_speed_w = gtk_label_new (_("ISO Speed"));
      gtk_widget_set_halign (iso_speed_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (iso_speed_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), iso_speed_w);
    }

  flash = photos_base_item_get_flash (item);
  if (flash != 0)
    {
      flash_w = gtk_label_new (_("Flash"));
      gtk_widget_set_halign (flash_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (flash_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), flash_w);
    }

  if (!photos_base_item_is_collection (item))
    {
      modified_w = gtk_label_new (_("Modifications"));
      gtk_widget_set_halign (modified_w, GTK_ALIGN_END);
      gtk_widget_set_valign (modified_w, GTK_ALIGN_BASELINE);
      gtk_widget_set_vexpand (modified_w, TRUE);
      context = gtk_widget_get_style_context (modified_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (self->grid), modified_w);
    }

  name = photos_base_item_get_name (item);

  if (PHOTOS_IS_LOCAL_ITEM (item))
    {
      self->title_entry = gtk_entry_new ();
      gtk_widget_set_halign (self->title_entry, GTK_ALIGN_START);
      gtk_widget_set_hexpand (self->title_entry, TRUE);
      gtk_entry_set_activates_default (GTK_ENTRY (self->title_entry), TRUE);
      gtk_entry_set_text (GTK_ENTRY (self->title_entry), name);
      gtk_entry_set_width_chars (GTK_ENTRY (self->title_entry), 40);
      gtk_editable_set_editable (GTK_EDITABLE (self->title_entry), TRUE);

      g_signal_connect (self->title_entry,
                        "changed",
                        G_CALLBACK (photos_properties_dialog_title_entry_changed),
                        self);
    }
  else
    {
      self->title_entry = gtk_label_new (name);
      gtk_widget_set_halign (self->title_entry, GTK_ALIGN_START);
      gtk_label_set_ellipsize (GTK_LABEL (self->title_entry), PANGO_ELLIPSIZE_END);
      gtk_label_set_max_width_chars (GTK_LABEL (self->title_entry), 40);
    }

  gtk_grid_attach_next_to (GTK_GRID (self->grid), self->title_entry, title, GTK_POS_RIGHT, 2, 1);

  if (author_w != NULL)
    {
      GtkWidget *author_data;

      author_data = gtk_label_new (author);
      gtk_widget_set_halign (author_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (self->grid), author_data, author_w, GTK_POS_RIGHT, 2, 1);
    }

  source_data = photos_base_item_get_source_widget (item);
  gtk_grid_attach_next_to (GTK_GRID (self->grid), source_data, source, GTK_POS_RIGHT, 2, 1);

  date_modified_data = gtk_label_new (date_modified_str);
  gtk_widget_set_halign (date_modified_data, GTK_ALIGN_START);
  gtk_grid_attach_next_to (GTK_GRID (self->grid), date_modified_data, date_modified_w, GTK_POS_RIGHT, 2, 1);

  if (date_created_w != NULL)
    {
      GtkWidget *date_created_data;

      date_created_data = gtk_label_new (date_created_str);
      gtk_widget_set_halign (date_created_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (self->grid), date_created_data, date_created_w, GTK_POS_RIGHT, 2, 1);
    }

  type_description = photos_base_item_get_type_description (item);
  item_type_data = gtk_label_new (type_description);
  gtk_widget_set_halign (item_type_data, GTK_ALIGN_START);
  gtk_grid_attach_next_to (GTK_GRID (self->grid), item_type_data, item_type, GTK_POS_RIGHT, 2, 1);

  if (dimensions_w != NULL)
    {
      GtkWidget *dims_data;
      g_autofree gchar *dims_str = NULL;
      gulong n = (gulong) height;

      dims_str = g_strdup_printf (ngettext ("%ld × %ld pixel", "%ld × %ld pixels", n), width, height);
      dims_data = gtk_label_new (dims_str);
      gtk_widget_set_halign (dims_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (self->grid), dims_data, dimensions_w, GTK_POS_RIGHT, 2, 1);
    }

  if (self->camera_w != NULL)
    {
      photos_camera_cache_get_camera_async (self->camera_cache,
                                            equipment,
                                            self->cancellable,
                                            photos_properties_dialog_get_camera,
                                            self);
    }

  if (exposure_time_w != NULL)
    {
      GtkWidget *exposure_time_data;
      g_autofree gchar *exposure_time_str = NULL;

      exposure_time_str = g_strdup_printf ("%.3lf sec", exposure_time);
      exposure_time_data = gtk_label_new (exposure_time_str);
      gtk_widget_set_halign (exposure_time_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (self->grid), exposure_time_data, exposure_time_w, GTK_POS_RIGHT, 2, 1);
    }

  if (fnumber_w != NULL)
    {
      GtkWidget *fnumber_data;
      g_autofree gchar *fnumber_str = NULL;

      fnumber_str = g_strdup_printf ("f/%.1lf", fnumber);
      fnumber_data = gtk_label_new (fnumber_str);
      gtk_widget_set_halign (fnumber_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (self->grid), fnumber_data, fnumber_w, GTK_POS_RIGHT, 2, 1);
    }

  if (focal_length_w != NULL)
    {
      GtkWidget *focal_length_data;
      g_autofree gchar *focal_length_str = NULL;

      focal_length_str = g_strdup_printf ("%.0lf mm", focal_length);
      focal_length_data = gtk_label_new (focal_length_str);
      gtk_widget_set_halign (focal_length_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (self->grid), focal_length_data, focal_length_w, GTK_POS_RIGHT, 2, 1);
    }

  if (iso_speed_w != NULL)
    {
      GtkWidget *iso_speed_data;
      g_autofree gchar *iso_speed_str = NULL;

      iso_speed_str = g_strdup_printf ("%.0lf", iso_speed);
      iso_speed_data = gtk_label_new (iso_speed_str);
      gtk_widget_set_halign (iso_speed_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (self->grid), iso_speed_data, iso_speed_w, GTK_POS_RIGHT, 2, 1);
    }

  if (flash_w != NULL)
    {
      GtkWidget *flash_data;
      g_autofree gchar *flash_str = NULL;

      if (flash == PHOTOS_FLASH_OFF)
        flash_str = g_strdup (_("Off, did not fire"));
      else if (flash == PHOTOS_FLASH_ON)
        flash_str = g_strdup (_("On, fired"));
      else
        {
          const gchar *str;

          str = g_quark_to_string (flash);
          g_warning ("Unknown value for nmm:flash: %s", str);
        }

      flash_data = gtk_label_new (flash_str);
      gtk_widget_set_halign (flash_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (self->grid), flash_data, flash_w, GTK_POS_RIGHT, 2, 1);
    }

  if (modified_w != NULL)
    {
      GtkWidget *modified_grid;

      photos_base_item_pipeline_is_edited_async (item,
                                                 self->cancellable,
                                                 photos_properties_dialog_pipeline_is_edited,
                                                 self);

      modified_grid = gtk_grid_new ();
      gtk_widget_set_hexpand (modified_grid, TRUE);
      gtk_orientable_set_orientation (GTK_ORIENTABLE (modified_grid), GTK_ORIENTATION_HORIZONTAL);

      self->modified_data = gtk_label_new (NULL);
      gtk_widget_set_halign (self->modified_data, GTK_ALIGN_START);
      gtk_widget_set_hexpand (self->modified_data, TRUE);
      gtk_widget_set_no_show_all (self->modified_data, TRUE);
      gtk_widget_set_valign (self->modified_data, GTK_ALIGN_BASELINE);
      gtk_widget_set_vexpand (self->modified_data, TRUE);
      context = gtk_widget_get_style_context (self->modified_data);
      gtk_style_context_add_class (context, "photos-fade-out");
      gtk_container_add (GTK_CONTAINER (modified_grid), self->modified_data);

      self->revert_button = gtk_button_new_with_label (_("Discard all Edits"));
      gtk_widget_set_halign (self->revert_button, GTK_ALIGN_END);
      gtk_widget_set_hexpand (self->revert_button, TRUE);
      gtk_widget_set_no_show_all (self->revert_button, TRUE);
      context = gtk_widget_get_style_context (self->revert_button);
      gtk_style_context_add_class (context, "destructive-action");
      gtk_style_context_add_class (context, "photos-fade-out");
      gtk_container_add (GTK_CONTAINER (modified_grid), self->revert_button);

      g_signal_connect_swapped (self->revert_button,
                                "clicked",
                                G_CALLBACK (photos_properties_dialog_revert_clicked),
                                self);

      gtk_grid_attach_next_to (GTK_GRID (self->grid), modified_grid, modified_w, GTK_POS_RIGHT, 2, 1);
    }

}
static void
photos_properties_dialog_constructed (GObject *object)
{
  PhotosPropertiesDialog *self = PHOTOS_PROPERTIES_DIALOG (object);
  PhotosPropertiesDialogPrivate *priv = self->priv;
  GDateTime *date_modified;
  GtkStyleContext *context;
  GtkWidget *author_w = NULL;
  GtkWidget *content_area;
  GtkWidget *date_created_w = NULL;
  GtkWidget *date_modified_data;
  GtkWidget *date_modified_w;
  GtkWidget *exposure_time_w = NULL;
  GtkWidget *flash_w = NULL;
  GtkWidget *fnumber_w = NULL;
  GtkWidget *focal_length_w = NULL;
  GtkWidget *height_w = NULL;
  GtkWidget *iso_speed_w = NULL;
  GtkWidget *item_type;
  GtkWidget *item_type_data;
  GtkWidget *source;
  GtkWidget *source_data;
  GtkWidget *title;
  GtkWidget *width_w = NULL;
  GQuark equipment;
  GQuark flash;
  PhotosBaseItem *item;
  const gchar *author;
  const gchar *name;
  const gchar *type_description;
  gchar *date_created_str = NULL;
  gchar *date_modified_str;
  gdouble exposure_time;
  gdouble fnumber;
  gdouble focal_length;
  gdouble iso_speed;
  gint64 ctime;
  gint64 height;
  gint64 mtime;
  gint64 width;

  G_OBJECT_CLASS (photos_properties_dialog_parent_class)->constructed (object);

  item = PHOTOS_BASE_ITEM (photos_base_manager_get_object_by_id (priv->item_mngr, priv->urn));

  mtime = photos_base_item_get_mtime (item);
  date_modified = g_date_time_new_from_unix_local (mtime);
  date_modified_str = g_date_time_format (date_modified, "%c");
  g_date_time_unref (date_modified);

  ctime = photos_base_item_get_date_created (item);
  if (ctime != -1)
    {
      GDateTime *date_created;

      date_created = g_date_time_new_from_unix_local (ctime);
      date_created_str = g_date_time_format (date_created, "%c");
      g_date_time_unref (date_created);
    }

  priv->grid = gtk_grid_new ();
  gtk_widget_set_halign (priv->grid, GTK_ALIGN_CENTER);
  gtk_widget_set_margin_start (priv->grid, 24);
  gtk_widget_set_margin_end (priv->grid, 24);
  gtk_widget_set_margin_bottom (priv->grid, 12);
  gtk_widget_set_margin_top (priv->grid, 12);
  gtk_orientable_set_orientation (GTK_ORIENTABLE (priv->grid), GTK_ORIENTATION_VERTICAL);
  gtk_grid_set_column_homogeneous (GTK_GRID (priv->grid), TRUE);
  gtk_grid_set_column_spacing (GTK_GRID (priv->grid), 24);
  gtk_grid_set_row_homogeneous (GTK_GRID (priv->grid), TRUE);
  gtk_grid_set_row_spacing (GTK_GRID (priv->grid), 6);

  content_area = gtk_dialog_get_content_area (GTK_DIALOG (self));
  gtk_box_pack_start (GTK_BOX (content_area), priv->grid, TRUE, TRUE, 2);

  /* Translators: this is the label next to the photo title in the
   * properties dialog
   */
  title = gtk_label_new (C_("Document Title", "Title"));
  gtk_widget_set_halign (title, GTK_ALIGN_END);
  context = gtk_widget_get_style_context (title);
  gtk_style_context_add_class (context, "dim-label");
  gtk_container_add (GTK_CONTAINER (priv->grid), title);

  author = photos_base_item_get_author (item);
  if (author != NULL && author[0] != '\0')
    {
      /* Translators: this is the label next to the photo author in
       * the properties dialog
       */
      author_w = gtk_label_new (C_("Document Author", "Author"));
      gtk_widget_set_halign (author_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (author_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), author_w);
    }

  source = gtk_label_new (_("Source"));
  gtk_widget_set_halign (source, GTK_ALIGN_END);
  context = gtk_widget_get_style_context (source);
  gtk_style_context_add_class (context, "dim-label");
  gtk_container_add (GTK_CONTAINER (priv->grid), source);

  date_modified_w = gtk_label_new (_("Date Modified"));
  gtk_widget_set_halign (date_modified_w, GTK_ALIGN_END);
  context = gtk_widget_get_style_context (date_modified_w);
  gtk_style_context_add_class (context, "dim-label");
  gtk_container_add (GTK_CONTAINER (priv->grid), date_modified_w);

  if (date_created_str != NULL)
    {
      date_created_w = gtk_label_new (_("Date Created"));
      gtk_widget_set_halign (date_created_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (date_created_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), date_created_w);
    }

  /* Translators: this is the label next to the photo type in the
   * properties dialog
   */
  item_type = gtk_label_new (C_("Document Type", "Type"));
  gtk_widget_set_halign (item_type, GTK_ALIGN_END);
  context = gtk_widget_get_style_context (item_type);
  gtk_style_context_add_class (context, "dim-label");
  gtk_container_add (GTK_CONTAINER (priv->grid), item_type);

  width = photos_base_item_get_width (item);
  if (width > 0)
    {
      width_w = gtk_label_new (_("Width"));
      gtk_widget_set_halign (width_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (width_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), width_w);
    }

  height = photos_base_item_get_height (item);
  if (height > 0)
    {
      height_w = gtk_label_new (_("Height"));
      gtk_widget_set_halign (height_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (height_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), height_w);
    }

  equipment = photos_base_item_get_equipment (item);
  photos_camera_cache_get_camera_async (priv->camera_cache,
                                        equipment,
                                        priv->cancellable,
                                        photos_properties_dialog_get_camera,
                                        self);
  if (equipment != 0)
    {
      priv->camera_w = gtk_label_new (_("Camera"));
      gtk_widget_set_halign (priv->camera_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (priv->camera_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), priv->camera_w);
    }

  exposure_time = photos_base_item_get_exposure_time (item);
  if (exposure_time > 0.0)
    {
      exposure_time_w = gtk_label_new (_("Exposure"));
      gtk_widget_set_halign (exposure_time_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (exposure_time_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), exposure_time_w);
    }

  fnumber = photos_base_item_get_fnumber (item);
  if (fnumber > 0.0)
    {
      fnumber_w = gtk_label_new (_("Aperture"));
      gtk_widget_set_halign (fnumber_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (fnumber_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), fnumber_w);
    }

  focal_length = photos_base_item_get_focal_length (item);
  if (focal_length > 0.0)
    {
      focal_length_w = gtk_label_new (_("Focal Length"));
      gtk_widget_set_halign (focal_length_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (focal_length_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), focal_length_w);
    }

  iso_speed = photos_base_item_get_iso_speed (item);
  if (iso_speed > 0.0)
    {
      iso_speed_w = gtk_label_new (_("ISO Speed"));
      gtk_widget_set_halign (iso_speed_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (iso_speed_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), iso_speed_w);
    }

  flash = photos_base_item_get_flash (item);
  if (flash != 0)
    {
      flash_w = gtk_label_new (_("Flash"));
      gtk_widget_set_halign (flash_w, GTK_ALIGN_END);
      context = gtk_widget_get_style_context (flash_w);
      gtk_style_context_add_class (context, "dim-label");
      gtk_container_add (GTK_CONTAINER (priv->grid), flash_w);
    }

  name = photos_base_item_get_name (item);

  if (PHOTOS_IS_LOCAL_ITEM (item))
    {
      priv->title_entry = gtk_entry_new ();
      gtk_widget_set_halign (priv->title_entry, GTK_ALIGN_START);
      gtk_widget_set_hexpand (priv->title_entry, TRUE);
      gtk_entry_set_activates_default (GTK_ENTRY (priv->title_entry), TRUE);
      gtk_entry_set_text (GTK_ENTRY (priv->title_entry), name);
      gtk_entry_set_width_chars (GTK_ENTRY (priv->title_entry), 40);
      gtk_editable_set_editable (GTK_EDITABLE (priv->title_entry), TRUE);

      g_signal_connect (priv->title_entry,
                        "changed",
                        G_CALLBACK (photos_properties_dialog_title_entry_changed),
                        self);
    }
  else
    {
      priv->title_entry = gtk_label_new (name);
      gtk_widget_set_halign (priv->title_entry, GTK_ALIGN_START);
    }

  gtk_grid_attach_next_to (GTK_GRID (priv->grid), priv->title_entry, title, GTK_POS_RIGHT, 2, 1);

  if (author_w != NULL)
    {
      GtkWidget *author_data;

      author_data = gtk_label_new (author);
      gtk_widget_set_halign (author_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (priv->grid), author_data, author_w, GTK_POS_RIGHT, 2, 1);
    }

  if (PHOTOS_IS_FACEBOOK_ITEM (item))
    {
      const gchar *source_name;

      source_name = photos_base_item_get_source_name (item);
      source_data = gtk_link_button_new_with_label ("https://www.facebook.com/", source_name);
      gtk_widget_set_halign (source_data, GTK_ALIGN_START);
    }
  else if (PHOTOS_IS_FLICKR_ITEM (item))
    {
      const gchar *source_name;

      source_name = photos_base_item_get_source_name (item);
      source_data = gtk_link_button_new_with_label ("https://www.flickr.com/", source_name);
      gtk_widget_set_halign (source_data, GTK_ALIGN_START);
    }
  else /* local item */
    {
      if (photos_base_item_is_collection (item))
        {
          const gchar *source_name;

          source_name = photos_base_item_get_source_name (item);
          source_data = gtk_label_new (source_name);
          gtk_widget_set_halign (source_data, GTK_ALIGN_START);
        }
      else
        {
          GFile *file;
          GFile *source_link;
          GtkWidget *label;
          const gchar *uri;
          gchar *source_path;
          gchar *source_uri;

          uri = photos_base_item_get_uri (item);
          file = g_file_new_for_uri (uri);
          source_link = g_file_get_parent (file);
          source_path = g_file_get_path (source_link);
          source_uri = g_file_get_uri (source_link);

          source_data = gtk_link_button_new_with_label (source_uri, source_path);
          gtk_widget_set_halign (source_data, GTK_ALIGN_START);

          label = gtk_bin_get_child (GTK_BIN (source_data));
          gtk_label_set_ellipsize (GTK_LABEL (label), PANGO_ELLIPSIZE_END);

          g_object_unref (source_link);
          g_object_unref (file);
        }
    }

  gtk_grid_attach_next_to (GTK_GRID (priv->grid), source_data, source, GTK_POS_RIGHT, 2, 1);

  date_modified_data = gtk_label_new (date_modified_str);
  gtk_widget_set_halign (date_modified_data, GTK_ALIGN_START);
  gtk_grid_attach_next_to (GTK_GRID (priv->grid), date_modified_data, date_modified_w, GTK_POS_RIGHT, 2, 1);

  if (date_created_w != NULL)
    {
      GtkWidget *date_created_data;

      date_created_data = gtk_label_new (date_created_str);
      gtk_widget_set_halign (date_created_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (priv->grid), date_created_data, date_created_w, GTK_POS_RIGHT, 2, 1);
    }

  type_description = photos_base_item_get_type_description (item);
  item_type_data = gtk_label_new (type_description);
  gtk_widget_set_halign (item_type_data, GTK_ALIGN_START);
  gtk_grid_attach_next_to (GTK_GRID (priv->grid), item_type_data, item_type, GTK_POS_RIGHT, 2, 1);

  if (width_w != NULL)
    {
      GtkWidget *width_data;
      gchar *width_str;

      width_str = g_strdup_printf ("%"G_GINT64_FORMAT" pixels", width);
      width_data = gtk_label_new (width_str);
      gtk_widget_set_halign (width_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (priv->grid), width_data, width_w, GTK_POS_RIGHT, 2, 1);
      g_free (width_str);
    }

  if (height_w != NULL)
    {
      GtkWidget *height_data;
      gchar *height_str;

      height_str = g_strdup_printf ("%"G_GINT64_FORMAT" pixels", height);
      height_data = gtk_label_new (height_str);
      gtk_widget_set_halign (height_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (priv->grid), height_data, height_w, GTK_POS_RIGHT, 2, 1);
      g_free (height_str);
    }

  if (exposure_time_w != NULL)
    {
      GtkWidget *exposure_time_data;
      gchar *exposure_time_str;

      exposure_time_str = g_strdup_printf ("%.3lf sec", exposure_time);
      exposure_time_data = gtk_label_new (exposure_time_str);
      gtk_widget_set_halign (exposure_time_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (priv->grid), exposure_time_data, exposure_time_w, GTK_POS_RIGHT, 2, 1);
      g_free (exposure_time_str);
    }

  if (fnumber_w != NULL)
    {
      GtkWidget *fnumber_data;
      gchar *fnumber_str;

      fnumber_str = g_strdup_printf ("f/%.1lf", fnumber);
      fnumber_data = gtk_label_new (fnumber_str);
      gtk_widget_set_halign (fnumber_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (priv->grid), fnumber_data, fnumber_w, GTK_POS_RIGHT, 2, 1);
      g_free (fnumber_str);
    }

  if (focal_length_w != NULL)
    {
      GtkWidget *focal_length_data;
      gchar *focal_length_str;

      focal_length_str = g_strdup_printf ("%.0lf mm", focal_length);
      focal_length_data = gtk_label_new (focal_length_str);
      gtk_widget_set_halign (focal_length_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (priv->grid), focal_length_data, focal_length_w, GTK_POS_RIGHT, 2, 1);
      g_free (focal_length_str);
    }

  if (iso_speed_w != NULL)
    {
      GtkWidget *iso_speed_data;
      gchar *iso_speed_str;

      iso_speed_str = g_strdup_printf ("%.0lf", iso_speed);
      iso_speed_data = gtk_label_new (iso_speed_str);
      gtk_widget_set_halign (iso_speed_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (priv->grid), iso_speed_data, iso_speed_w, GTK_POS_RIGHT, 2, 1);
      g_free (iso_speed_str);
    }

  if (flash_w != NULL)
    {
      GtkWidget *flash_data;
      gchar *flash_str;

      if (flash == PHOTOS_FLASH_OFF)
        flash_str = g_strdup (_("Off, did not fire"));
      else if (flash == PHOTOS_FLASH_ON)
        flash_str = g_strdup (_("On, fired"));
      else
        g_assert_not_reached ();

      flash_data = gtk_label_new (flash_str);
      gtk_widget_set_halign (flash_data, GTK_ALIGN_START);
      gtk_grid_attach_next_to (GTK_GRID (priv->grid), flash_data, flash_w, GTK_POS_RIGHT, 2, 1);
      g_free (flash_str);
    }

  g_free (date_created_str);
  g_free (date_modified_str);
}
static void
photos_selection_toolbar_set_item_visibility (PhotosSelectionToolbar *self)
{
  GList *apps = NULL;
  GList *l;
  GList *selection;
  GtkWidget *image;
  gboolean has_selection;
  gboolean show_collection;
  gboolean show_favorite;
  gchar *favorite_label;
  gchar *open_label;
  guint fav_count = 0;
  guint sel_length = 0;

  self->inside_refresh = TRUE;

  selection = photos_selection_controller_get_selection (self->sel_cntrlr);
  has_selection = selection != NULL;

  show_collection = has_selection;
  show_favorite = has_selection;

  for (l = selection; l != NULL; l = g_list_next (l))
    {
      PhotosBaseItem *item;
      const gchar *default_app_name;
      const gchar *urn = (gchar *) l->data;

      item = PHOTOS_BASE_ITEM (photos_base_manager_get_object_by_id (self->item_mngr, urn));

      show_collection = show_collection && !photos_base_item_is_collection (item);
      show_favorite = show_favorite && !photos_base_item_is_collection (item);

      if (photos_base_item_is_favorite (item))
        fav_count++;

      default_app_name = photos_base_item_get_default_app_name (item);
      if (default_app_name != NULL
          && g_list_find_custom (apps, default_app_name, (GCompareFunc) g_strcmp0) == NULL)
        apps = g_list_prepend (apps, (gpointer) g_strdup (default_app_name));

      sel_length++;
    }

  show_favorite = show_favorite && ((fav_count == 0) || (fav_count == sel_length));

  if (apps != NULL && apps->next == NULL) /* length == 1 */
    /* Translators: this is the Open action in a context menu */
    open_label = g_strdup_printf (_("Open with %s"), (gchar *) apps->data);
  else
    /* Translators: this is the Open action in a context menu */
    open_label = g_strdup (_("Open"));

  gtk_button_set_label (GTK_BUTTON (self->toolbar_open), open_label);
  g_free (open_label);
  g_list_free_full (apps, g_free);

  if (show_favorite && fav_count == sel_length)
    {
      favorite_label = g_strdup (_("Remove from favorites"));
      image = gtk_image_new_from_icon_name (PHOTOS_ICON_FAVORITE_SYMBOLIC, GTK_ICON_SIZE_BUTTON);
    }
  else
    {
      favorite_label = g_strdup (_("Add to favorites"));
      image = gtk_image_new_from_icon_name (PHOTOS_ICON_NOT_FAVORITE_SYMBOLIC, GTK_ICON_SIZE_BUTTON);
    }

  gtk_button_set_image (GTK_BUTTON (self->toolbar_favorite), image);
  gtk_widget_set_tooltip_text (self->toolbar_favorite, favorite_label);
  g_free (favorite_label);

  gtk_widget_set_sensitive (self->toolbar_collection, show_collection);
  gtk_widget_set_sensitive (self->toolbar_favorite, show_favorite);

  self->inside_refresh = FALSE;
}
static gboolean
photos_item_manager_set_active_object (PhotosBaseManager *manager, GObject *object)
{
  PhotosItemManager *self = PHOTOS_ITEM_MANAGER (manager);
  GObject *active_item;
  PhotosWindowMode old_mode;
  gboolean active_collection_changed = FALSE;
  gboolean ret_val = FALSE;
  gboolean start_loading = FALSE;
  gboolean window_mode_changed = FALSE;

  g_return_val_if_fail (object != NULL, FALSE);
  g_return_val_if_fail (PHOTOS_IS_BASE_ITEM (object), FALSE);

  active_item = photos_base_manager_get_active_object (manager);
  if (object == active_item)
    goto out;

  photos_item_manager_clear_active_item_load (self);

  if (photos_base_item_is_collection (PHOTOS_BASE_ITEM (object)))
    {
      g_queue_push_head (self->collection_path,
                         (self->active_collection != NULL) ? g_object_ref (self->active_collection) : NULL);

      g_clear_object (&self->active_collection);
      self->active_collection = g_object_ref (object);
      self->load_state = PHOTOS_LOAD_STATE_NONE;
      active_collection_changed = TRUE;
    }
  else
    {
      window_mode_changed = photos_item_manager_set_window_mode_internal (self,
                                                                          PHOTOS_WINDOW_MODE_PREVIEW,
                                                                          &old_mode);
      photos_item_manager_update_fullscreen (self);
      self->load_state = PHOTOS_LOAD_STATE_STARTED;
      start_loading = TRUE;
    }

  ret_val = PHOTOS_BASE_MANAGER_CLASS (photos_item_manager_parent_class)->set_active_object (manager, object);
  /* We have already eliminated the possibility of failure. */
  g_assert (ret_val == TRUE);

  active_item = photos_base_manager_get_active_object (manager);
  g_assert (active_item == object);

  if (active_collection_changed)
    {
      g_signal_emit (self, signals[ACTIVE_COLLECTION_CHANGED], 0, self->active_collection);
      g_assert (active_item == (GObject *) self->active_collection);
    }

  if (start_loading)
    {
      GtkRecentManager *recent;
      const gchar *uri;

      recent = gtk_recent_manager_get_default ();
      uri = photos_base_item_get_uri (PHOTOS_BASE_ITEM (object));
      gtk_recent_manager_add_item (recent, uri);

      self->loader_cancellable = g_cancellable_new ();
      photos_base_item_load_async (PHOTOS_BASE_ITEM (object),
                                   self->loader_cancellable,
                                   photos_item_manager_item_load,
                                   g_object_ref (self));

      g_signal_emit (self, signals[LOAD_STARTED], 0, PHOTOS_BASE_ITEM (object));

      if (window_mode_changed)
        g_signal_emit (self, signals[WINDOW_MODE_CHANGED], 0, PHOTOS_WINDOW_MODE_PREVIEW, old_mode);

      g_assert (active_item != (GObject *) self->active_collection);
    }

 out:
  return ret_val;
}
static void
photos_selection_toolbar_set_item_visibility (PhotosSelectionToolbar *self)
{
  PhotosSelectionToolbarPrivate *priv = self->priv;
  GList *apps = NULL;
  GList *l;
  GList *selection;
  GtkStyleContext *context;
  gboolean has_selection;
  gboolean show_collection;
  gboolean show_favorite;
  gboolean show_open;
  gboolean show_print;
  gboolean show_properties;
  gboolean show_trash;
  gchar *favorite_label;
  gchar *open_label;
  guint fav_count = 0;
  guint apps_length;
  guint sel_length;

  priv->inside_refresh = TRUE;

  selection = photos_selection_controller_get_selection (priv->sel_cntrlr);
  sel_length = g_list_length (selection);
  has_selection = sel_length > 0;

  show_collection = has_selection;
  show_favorite = has_selection;
  show_open = has_selection;
  show_print = has_selection;
  show_properties = has_selection;
  show_trash = has_selection;

  for (l = selection; l != NULL; l = g_list_next (l))
    {
      PhotosBaseItem *item;
      const gchar *default_app_name;
      const gchar *urn = (gchar *) l->data;

      item = PHOTOS_BASE_ITEM (photos_base_manager_get_object_by_id (priv->item_mngr, urn));

      if (photos_base_item_is_favorite (item))
        fav_count++;

      default_app_name = photos_base_item_get_default_app_name (item);
      if (default_app_name != NULL && g_list_find (apps, default_app_name) == NULL)
        apps = g_list_prepend (apps, (gpointer) g_strdup (default_app_name));

      show_trash = show_trash && photos_base_item_can_trash (item);
      show_print = show_print && !photos_base_item_is_collection (item);
    }

  show_favorite = show_favorite && ((fav_count == 0) || (fav_count == sel_length));

  apps_length = g_list_length (apps);
  show_open = (apps_length > 0);

  if (sel_length > 1)
    {
      show_print = FALSE;
      show_properties = FALSE;
    }

  if (apps_length == 1)
    /* Translators: this is the Open action in a context menu */
    open_label = g_strdup_printf (_("Open with %s"), (gchar *) apps->data);
  else
    /* Translators: this is the Open action in a context menu */
    open_label = g_strdup (_("Open"));

  gd_header_button_set_label (GD_HEADER_BUTTON (priv->toolbar_open), open_label);
  g_free (open_label);
  g_list_free_full (apps, g_free);

  context = gtk_widget_get_style_context (priv->toolbar_favorite);
  if (show_favorite && fav_count == sel_length)
    {
      favorite_label = g_strdup (_("Remove from favorites"));
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->toolbar_favorite), TRUE);
      gtk_style_context_add_class (context, "documents-favorite");
    }
  else
    {
      favorite_label = g_strdup (_("Add to favorites"));
      gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (priv->toolbar_favorite), FALSE);
      gtk_style_context_remove_class (context, "documents-favorite");
    }

  gtk_widget_reset_style (priv->toolbar_favorite);
  gtk_widget_set_tooltip_text (priv->toolbar_favorite, favorite_label);
  g_free (favorite_label);

  gtk_widget_set_sensitive (priv->toolbar_collection, show_collection);
  gtk_widget_set_sensitive (priv->toolbar_print, show_print);
  gtk_widget_set_sensitive (priv->toolbar_properties, show_properties);
  gtk_widget_set_sensitive (priv->toolbar_trash, show_trash);
  gtk_widget_set_sensitive (priv->toolbar_open, show_open);
  gtk_widget_set_sensitive (priv->toolbar_favorite, show_favorite);

  priv->inside_refresh = FALSE;
}