+/* Forms */
+static void
+pdf_document_get_crop_box (EvDocument *document,
+ int page,
+ EvRectangle *rect)
+{
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ PopplerRectangle poppler_rect;
+
+ pdf_document = PDF_DOCUMENT (document);
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ poppler_page_get_crop_box (poppler_page, &poppler_rect);
+ rect->x1 = poppler_rect.x1;
+ rect->x2 = poppler_rect.x2;
+ rect->y1 = poppler_rect.y1;
+ rect->y2 = poppler_rect.y2;
+}
+
+static EvFormField *
+ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
+{
+ EvFormField *ev_field = NULL;
+ gint id;
+ gdouble font_size;
+ gboolean is_read_only;
+
+ id = poppler_form_field_get_id (poppler_field);
+ font_size = poppler_form_field_get_font_size (poppler_field);
+ is_read_only = poppler_form_field_is_read_only (poppler_field);
+
+ switch (poppler_form_field_get_field_type (poppler_field)) {
+ case POPPLER_FORM_FIELD_TEXT: {
+ EvFormFieldText *field_text;
+ EvFormFieldTextType ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
+
+ switch (poppler_form_field_text_get_text_type (poppler_field)) {
+ case POPPLER_FORM_TEXT_NORMAL:
+ ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
+ break;
+ case POPPLER_FORM_TEXT_MULTILINE:
+ ev_text_type = EV_FORM_FIELD_TEXT_MULTILINE;
+ break;
+ case POPPLER_FORM_TEXT_FILE_SELECT:
+ ev_text_type = EV_FORM_FIELD_TEXT_FILE_SELECT;
+ break;
+ }
+
+ ev_field = ev_form_field_text_new (id, ev_text_type);
+ field_text = EV_FORM_FIELD_TEXT (ev_field);
+
+ field_text->do_spell_check = poppler_form_field_text_do_spell_check (poppler_field);
+ field_text->do_scroll = poppler_form_field_text_do_scroll (poppler_field);
+ field_text->is_rich_text = poppler_form_field_text_is_rich_text (poppler_field);
+ field_text->is_password = poppler_form_field_text_is_password (poppler_field);
+ field_text->max_len = poppler_form_field_text_get_max_len (poppler_field);
+ field_text->text = poppler_form_field_text_get_text (poppler_field);
+
+ }
+ break;
+ case POPPLER_FORM_FIELD_BUTTON: {
+ EvFormFieldButton *field_button;
+ EvFormFieldButtonType ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
+
+ switch (poppler_form_field_button_get_button_type (poppler_field)) {
+ case POPPLER_FORM_BUTTON_PUSH:
+ ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
+ break;
+ case POPPLER_FORM_BUTTON_CHECK:
+ ev_button_type = EV_FORM_FIELD_BUTTON_CHECK;
+ break;
+ case POPPLER_FORM_BUTTON_RADIO:
+ ev_button_type = EV_FORM_FIELD_BUTTON_RADIO;
+ break;
+ }
+
+ ev_field = ev_form_field_button_new (id, ev_button_type);
+ field_button = EV_FORM_FIELD_BUTTON (ev_field);
+
+ field_button->state = poppler_form_field_button_get_state (poppler_field);
+ }
+ break;
+ case POPPLER_FORM_FIELD_CHOICE: {
+ EvFormFieldChoice *field_choice;
+ EvFormFieldChoiceType ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
+
+ switch (poppler_form_field_choice_get_choice_type (poppler_field)) {
+ case POPPLER_FORM_CHOICE_COMBO:
+ ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
+ break;
+ case EV_FORM_FIELD_CHOICE_LIST:
+ ev_choice_type = EV_FORM_FIELD_CHOICE_LIST;
+ break;
+ }
+
+ ev_field = ev_form_field_choice_new (id, ev_choice_type);
+ field_choice = EV_FORM_FIELD_CHOICE (ev_field);
+
+ field_choice->is_editable = poppler_form_field_choice_is_editable (poppler_field);
+ field_choice->multi_select = poppler_form_field_choice_can_select_multiple (poppler_field);
+ field_choice->do_spell_check = poppler_form_field_choice_do_spell_check (poppler_field);
+ field_choice->commit_on_sel_change = poppler_form_field_choice_commit_on_change (poppler_field);
+
+ /* TODO: we need poppler_form_field_choice_get_selected_items in poppler
+ field_choice->selected_items = poppler_form_field_choice_get_selected_items (poppler_field);*/
+ if (field_choice->is_editable)
+ field_choice->text = poppler_form_field_choice_get_text (poppler_field);
+ }
+ break;
+ case POPPLER_FORM_FIELD_SIGNATURE:
+ /* TODO */
+ ev_field = ev_form_field_signature_new (id);
+ break;
+ case POPPLER_FORM_FIELD_UNKNOWN:
+ return NULL;
+ }
+
+ ev_field->font_size = font_size;
+ ev_field->is_read_only = is_read_only;
+
+ return ev_field;
+}
+
+static GList *
+pdf_document_forms_get_form_fields (EvDocumentForms *document,
+ EvPage *page)
+{
+ PopplerPage *poppler_page;
+ GList *retval = NULL;
+ GList *fields;
+ GList *list;
+ double height;
+
+ g_return_val_if_fail (POPPLER_IS_PAGE (page->backend_page), NULL);
+
+ poppler_page = POPPLER_PAGE (page->backend_page);
+ fields = poppler_page_get_form_field_mapping (poppler_page);
+ poppler_page_get_size (poppler_page, NULL, &height);
+
+ for (list = fields; list; list = list->next) {
+ PopplerFormFieldMapping *mapping;
+ EvMapping *field_mapping;
+ EvFormField *ev_field;
+
+ mapping = (PopplerFormFieldMapping *)list->data;
+
+ ev_field = ev_form_field_from_poppler_field (mapping->field);
+ if (!ev_field)
+ continue;
+
+ field_mapping = g_new0 (EvMapping, 1);
+ field_mapping->area.x1 = mapping->area.x1;
+ field_mapping->area.x2 = mapping->area.x2;
+ field_mapping->area.y1 = height - mapping->area.y2;
+ field_mapping->area.y2 = height - mapping->area.y1;
+ field_mapping->data = ev_field;
+ ev_field->page = EV_PAGE (g_object_ref (page));
+
+ g_object_set_data_full (G_OBJECT (ev_field),
+ "poppler-field",
+ g_object_ref (mapping->field),
+ (GDestroyNotify) g_object_unref);
+
+ retval = g_list_prepend (retval, field_mapping);
+ }
+
+ poppler_page_free_form_field_mapping (fields);
+
+ return g_list_reverse (retval);
+}
+
+static gchar *
+pdf_document_forms_form_field_text_get_text (EvDocumentForms *document,
+ EvFormField *field)
+
+{
+ PopplerFormField *poppler_field;
+ gchar *text;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return NULL;
+
+ text = poppler_form_field_text_get_text (poppler_field);
+
+ return text;
+}
+
+static void
+pdf_document_forms_form_field_text_set_text (EvDocumentForms *document,
+ EvFormField *field,
+ const gchar *text)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_text_set_text (poppler_field, text);
+ PDF_DOCUMENT (document)->modified = TRUE;
+}
+
+static void
+pdf_document_forms_form_field_button_set_state (EvDocumentForms *document,
+ EvFormField *field,
+ gboolean state)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_button_set_state (poppler_field, state);
+ PDF_DOCUMENT (document)->modified = TRUE;
+}
+
+static gboolean
+pdf_document_forms_form_field_button_get_state (EvDocumentForms *document,
+ EvFormField *field)
+{
+ PopplerFormField *poppler_field;
+ gboolean state;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return FALSE;
+
+ state = poppler_form_field_button_get_state (poppler_field);
+
+ return state;
+}
+
+static gchar *
+pdf_document_forms_form_field_choice_get_item (EvDocumentForms *document,
+ EvFormField *field,
+ gint index)
+{
+ PopplerFormField *poppler_field;
+ gchar *text;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return NULL;
+
+ text = poppler_form_field_choice_get_item (poppler_field, index);
+
+ return text;
+}
+
+static int
+pdf_document_forms_form_field_choice_get_n_items (EvDocumentForms *document,
+ EvFormField *field)
+{
+ PopplerFormField *poppler_field;
+ gint n_items;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return -1;
+
+ n_items = poppler_form_field_choice_get_n_items (poppler_field);
+
+ return n_items;
+}
+
+static gboolean
+pdf_document_forms_form_field_choice_is_item_selected (EvDocumentForms *document,
+ EvFormField *field,
+ gint index)
+{
+ PopplerFormField *poppler_field;
+ gboolean selected;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return FALSE;
+
+ selected = poppler_form_field_choice_is_item_selected (poppler_field, index);
+
+ return selected;
+}
+
+static void
+pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document,
+ EvFormField *field,
+ gint index)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_choice_select_item (poppler_field, index);
+ PDF_DOCUMENT (document)->modified = TRUE;
+}
+
+static void
+pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document,
+ EvFormField *field,
+ gint index)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_choice_toggle_item (poppler_field, index);
+ PDF_DOCUMENT (document)->modified = TRUE;
+}
+
+static void
+pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document,
+ EvFormField *field)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_choice_unselect_all (poppler_field);
+ PDF_DOCUMENT (document)->modified = TRUE;
+}
+
+static void
+pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document,
+ EvFormField *field,
+ const gchar *text)
+{
+ PopplerFormField *poppler_field;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return;
+
+ poppler_form_field_choice_set_text (poppler_field, text);
+ PDF_DOCUMENT (document)->modified = TRUE;
+}
+
+static gchar *
+pdf_document_forms_form_field_choice_get_text (EvDocumentForms *document,
+ EvFormField *field)
+{
+ PopplerFormField *poppler_field;
+ gchar *text;
+
+ poppler_field = POPPLER_FORM_FIELD (g_object_get_data (G_OBJECT (field), "poppler-field"));
+ if (!poppler_field)
+ return NULL;
+
+ text = poppler_form_field_choice_get_text (poppler_field);
+
+ return text;
+}
+
+static void
+pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface)
+{
+ iface->get_form_fields = pdf_document_forms_get_form_fields;
+ iface->form_field_text_get_text = pdf_document_forms_form_field_text_get_text;
+ iface->form_field_text_set_text = pdf_document_forms_form_field_text_set_text;
+ iface->form_field_button_set_state = pdf_document_forms_form_field_button_set_state;
+ iface->form_field_button_get_state = pdf_document_forms_form_field_button_get_state;
+ iface->form_field_choice_get_item = pdf_document_forms_form_field_choice_get_item;
+ iface->form_field_choice_get_n_items = pdf_document_forms_form_field_choice_get_n_items;
+ iface->form_field_choice_is_item_selected = pdf_document_forms_form_field_choice_is_item_selected;
+ iface->form_field_choice_select_item = pdf_document_forms_form_field_choice_select_item;
+ iface->form_field_choice_toggle_item = pdf_document_forms_form_field_choice_toggle_item;
+ iface->form_field_choice_unselect_all = pdf_document_forms_form_field_choice_unselect_all;
+ iface->form_field_choice_set_text = pdf_document_forms_form_field_choice_set_text;
+ iface->form_field_choice_get_text = pdf_document_forms_form_field_choice_get_text;
+}
+
+/* Annotations */
+static void
+poppler_annot_color_to_gdk_color (PopplerAnnot *poppler_annot,
+ GdkColor *color)
+{
+ PopplerColor *poppler_color;
+
+ poppler_color = poppler_annot_get_color (poppler_annot);
+ if (poppler_color) {
+ color->red = poppler_color->red;
+ color->green = poppler_color->green;
+ color->blue = poppler_color->blue;
+
+ g_free (poppler_color);
+ } /* TODO: else use a default color */
+}
+
+static EvAnnotation *
+ev_annot_from_poppler_annot (PopplerAnnot *poppler_annot,
+ EvPage *page)
+{
+ EvAnnotation *ev_annot = NULL;
+ const gchar *unimplemented_annot = NULL;
+
+ switch (poppler_annot_get_annot_type (poppler_annot)) {
+ case POPPLER_ANNOT_TEXT:
+ PopplerAnnotText *poppler_text;
+ EvAnnotationText *ev_annot_text;
+
+ poppler_text = POPPLER_ANNOT_TEXT (poppler_annot);
+
+ ev_annot = ev_annotation_text_new (page);
+
+ ev_annot_text = EV_ANNOTATION_TEXT (ev_annot);
+ ev_annot_text->is_open = poppler_annot_text_get_is_open (poppler_text);
+
+ break;
+ case POPPLER_ANNOT_LINK:
+ case POPPLER_ANNOT_WIDGET:
+ /* Ignore link and widgets annots since they are already handled */
+ break;
+ default: {
+ GEnumValue *enum_value;
+
+ enum_value = g_enum_get_value ((GEnumClass *) g_type_class_ref (POPPLER_TYPE_ANNOT_TYPE),
+ poppler_annot_get_annot_type (poppler_annot));
+ unimplemented_annot = enum_value ? enum_value->value_name : "Unknown annotation";
+ }
+ }
+
+ if (unimplemented_annot) {
+ g_warning ("Unimplemented annotation: %s, please post a "
+ "bug report in Evince bugzilla "
+ "(http://bugzilla.gnome.org) with a testcase.",
+ unimplemented_annot);
+ }
+
+ if (ev_annot) {
+ ev_annot->contents = poppler_annot_get_contents (poppler_annot);
+ ev_annot->name = poppler_annot_get_name (poppler_annot);
+ ev_annot->modified = poppler_annot_get_modified (poppler_annot);
+ poppler_annot_color_to_gdk_color (poppler_annot, &ev_annot->color);
+
+ if (POPPLER_IS_ANNOT_MARKUP (poppler_annot)) {
+ PopplerAnnotMarkup *markup;
+ gchar *label;
+ gdouble opacity;
+ PopplerRectangle poppler_rect;
+
+ markup = POPPLER_ANNOT_MARKUP (poppler_annot);
+
+ if (poppler_annot_markup_get_popup_rectangle (markup, &poppler_rect)) {
+ EvRectangle ev_rect;
+ gboolean is_open;
+ gdouble height;
+
+ poppler_page_get_size (POPPLER_PAGE (page->backend_page),
+ NULL, &height);
+ ev_rect.x1 = poppler_rect.x1;
+ ev_rect.x2 = poppler_rect.x2;
+ ev_rect.y1 = height - poppler_rect.y2;
+ ev_rect.y2 = height - poppler_rect.y1;
+
+ is_open = poppler_annot_markup_get_popup_is_open (markup);
+
+ g_object_set (ev_annot,
+ "rectangle", &ev_rect,
+ "is_open", is_open,
+ "has_popup", TRUE,
+ NULL);
+ } else {
+ /* FIXME: Use poppler_annot_markup_has_popup() when
+ * new poppler is released.
+ */
+ g_object_set (ev_annot,
+ "has_popup", FALSE,
+ NULL);
+ }
+
+ label = poppler_annot_markup_get_label (markup);
+ opacity = poppler_annot_markup_get_opacity (markup);
+
+ g_object_set (ev_annot,
+ "label", label,
+ "opacity", opacity,
+ NULL);
+
+ g_free (label);
+ }
+ }
+
+ return ev_annot;
+}
+
+static GList *
+pdf_document_annotations_get_annotations (EvDocumentAnnotations *document_annotations,
+ EvPage *page)
+{
+ GList *retval = NULL;
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ GList *annots;
+ GList *list;
+ gdouble height;
+ gint i = 0;
+
+ pdf_document = PDF_DOCUMENT (document_annotations);
+ poppler_page = POPPLER_PAGE (page->backend_page);
+ annots = poppler_page_get_annot_mapping (poppler_page);
+ poppler_page_get_size (poppler_page, NULL, &height);
+
+ for (list = annots; list; list = list->next) {
+ PopplerAnnotMapping *mapping;
+ EvMapping *annot_mapping;
+ EvAnnotation *ev_annot;
+
+ mapping = (PopplerAnnotMapping *)list->data;
+
+ ev_annot = ev_annot_from_poppler_annot (mapping->annot, page);
+ if (!ev_annot)
+ continue;
+
+ i++;
+
+ /* Make sure annot has a unique name */
+ if (!ev_annot->name)
+ ev_annot->name = g_strdup_printf ("annot-%d-%d", page->index, i);
+
+ annot_mapping = g_new (EvMapping, 1);
+ annot_mapping->area.x1 = mapping->area.x1;
+ annot_mapping->area.x2 = mapping->area.x2;
+ annot_mapping->area.y1 = height - mapping->area.y2;
+ annot_mapping->area.y2 = height - mapping->area.y1;
+ annot_mapping->data = ev_annot;
+
+ g_object_set_data_full (G_OBJECT (ev_annot),
+ "poppler-annot",
+ g_object_ref (mapping->annot),
+ (GDestroyNotify) g_object_unref);
+
+ retval = g_list_prepend (retval, annot_mapping);
+ }
+
+ poppler_page_free_annot_mapping (annots);
+
+ return g_list_reverse (retval);
+}
+
+static void
+pdf_document_annotations_annotation_set_contents (EvDocumentAnnotations *document,
+ EvAnnotation *annot,
+ const gchar *contents)
+{
+ PopplerAnnot *poppler_annot;
+
+ poppler_annot = POPPLER_ANNOT (g_object_get_data (G_OBJECT (annot), "poppler-annot"));
+ if (!poppler_annot)
+ return;
+
+ poppler_annot_set_contents (poppler_annot, contents);
+ PDF_DOCUMENT (document)->modified = TRUE;
+}
+
+static void
+pdf_document_document_annotations_iface_init (EvDocumentAnnotationsIface *iface)
+{
+ iface->get_annotations = pdf_document_annotations_get_annotations;
+ iface->annotation_set_contents = pdf_document_annotations_annotation_set_contents;
+}
+
+/* Layers */
+static gboolean
+pdf_document_layers_has_layers (EvDocumentLayers *document)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ PopplerLayersIter *iter;
+
+ iter = poppler_layers_iter_new (pdf_document->document);
+ if (!iter)
+ return FALSE;
+ poppler_layers_iter_free (iter);
+
+ return TRUE;
+}
+
+static void
+build_layers_tree (PdfDocument *pdf_document,
+ GtkTreeModel *model,
+ GtkTreeIter *parent,
+ PopplerLayersIter *iter)
+{
+ do {
+ GtkTreeIter tree_iter;
+ PopplerLayersIter *child;
+ PopplerLayer *layer;
+ EvLayer *ev_layer = NULL;
+ gboolean visible;
+ gchar *markup;
+ gint rb_group = 0;
+
+ layer = poppler_layers_iter_get_layer (iter);
+ if (layer) {
+ markup = g_markup_escape_text (poppler_layer_get_title (layer), -1);
+ visible = poppler_layer_is_visible (layer);
+ rb_group = poppler_layer_get_radio_button_group_id (layer);
+ pdf_document->layers = g_list_append (pdf_document->layers,
+ g_object_ref (layer));
+ ev_layer = ev_layer_new (g_list_length (pdf_document->layers) - 1,
+ poppler_layer_is_parent (layer),
+ rb_group);
+ } else {
+ gchar *title;
+
+ title = poppler_layers_iter_get_title (iter);
+ markup = g_markup_escape_text (title, -1);
+ g_free (title);
+
+ visible = FALSE;
+ layer = NULL;
+ }
+
+ gtk_tree_store_append (GTK_TREE_STORE (model), &tree_iter, parent);
+ gtk_tree_store_set (GTK_TREE_STORE (model), &tree_iter,
+ EV_DOCUMENT_LAYERS_COLUMN_TITLE, markup,
+ EV_DOCUMENT_LAYERS_COLUMN_VISIBLE, visible,
+ EV_DOCUMENT_LAYERS_COLUMN_ENABLED, TRUE, /* FIXME */
+ EV_DOCUMENT_LAYERS_COLUMN_SHOWTOGGLE, (layer != NULL),
+ EV_DOCUMENT_LAYERS_COLUMN_RBGROUP, rb_group,
+ EV_DOCUMENT_LAYERS_COLUMN_LAYER, ev_layer,
+ -1);
+ if (ev_layer)
+ g_object_unref (ev_layer);
+ g_free (markup);
+
+ child = poppler_layers_iter_get_child (iter);
+ if (child)
+ build_layers_tree (pdf_document, model, &tree_iter, child);
+ poppler_layers_iter_free (child);
+ } while (poppler_layers_iter_next (iter));
+}
+
+static GtkTreeModel *
+pdf_document_layers_get_layers (EvDocumentLayers *document)
+{
+ GtkTreeModel *model = NULL;
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ PopplerLayersIter *iter;
+
+ iter = poppler_layers_iter_new (pdf_document->document);
+ if (iter) {
+ model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LAYERS_N_COLUMNS,
+ G_TYPE_STRING, /* TITLE */
+ G_TYPE_OBJECT, /* LAYER */
+ G_TYPE_BOOLEAN, /* VISIBLE */
+ G_TYPE_BOOLEAN, /* ENABLED */
+ G_TYPE_BOOLEAN, /* SHOWTOGGLE */
+ G_TYPE_INT); /* RBGROUP */
+ build_layers_tree (pdf_document, model, NULL, iter);
+ poppler_layers_iter_free (iter);
+ }
+ return model;
+}
+
+static void
+pdf_document_layers_show_layer (EvDocumentLayers *document,
+ EvLayer *layer)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ guint layer_id = ev_layer_get_id (layer);
+
+ poppler_layer_show (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
+}
+
+static void
+pdf_document_layers_hide_layer (EvDocumentLayers *document,
+ EvLayer *layer)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ guint layer_id = ev_layer_get_id (layer);
+
+ poppler_layer_hide (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
+}
+
+static gboolean
+pdf_document_layers_layer_is_visible (EvDocumentLayers *document,
+ EvLayer *layer)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ guint layer_id = ev_layer_get_id (layer);
+
+ return poppler_layer_is_visible (POPPLER_LAYER (g_list_nth_data (pdf_document->layers, layer_id)));
+}
+
+static void
+pdf_document_document_layers_iface_init (EvDocumentLayersIface *iface)