diff options
Diffstat (limited to 'libview')
| -rw-r--r-- | libview/ev-page-accessible.c | 56 | ||||
| -rw-r--r-- | libview/ev-view-accessible.c | 2 | ||||
| -rw-r--r-- | libview/ev-view-accessible.h | 1 |
3 files changed, 58 insertions, 1 deletions
diff --git a/libview/ev-page-accessible.c b/libview/ev-page-accessible.c index 60d07e33..77ae988f 100644 --- a/libview/ev-page-accessible.c +++ b/libview/ev-page-accessible.c @@ -125,6 +125,61 @@ ev_page_accessible_get_property (GObject *object, } } +/* + * We redefine atk_class->ref_relation_set instead of just calling + * atk_object_add_relationship on ev_page_accessible_new because at + * that moment not all the pages could be created, being easier add + * the relation on demand. + */ +static AtkRelationSet * +ev_page_accessible_ref_relation_set (AtkObject *accessible) +{ + gint n_pages; + EvPageAccessible *self; + AtkRelationSet *relation_set; + AtkObject *accessible_array[1]; + AtkRelation *relation; + + g_return_val_if_fail (EV_IS_PAGE_ACCESSIBLE (accessible), NULL); + self = EV_PAGE_ACCESSIBLE (accessible); + + relation_set = ATK_OBJECT_CLASS (ev_page_accessible_parent_class)->ref_relation_set (accessible); + if (relation_set == NULL) + return NULL; + + n_pages = ev_view_accessible_get_n_pages (self->priv->view_accessible); + if (n_pages == 0) + return relation_set; + + if ((self->priv->page + 1) < n_pages && !atk_relation_set_contains (relation_set, ATK_RELATION_FLOWS_TO)) { + AtkObject *next_page; + + next_page = atk_object_ref_accessible_child (ATK_OBJECT (self->priv->view_accessible), + self->priv->page + 1); + accessible_array [0] = next_page; + relation = atk_relation_new (accessible_array, 1, ATK_RELATION_FLOWS_TO); + atk_relation_set_add (relation_set, relation); + + g_object_unref (relation); + g_object_unref (next_page); + } + + if (self->priv->page > 0 && !atk_relation_set_contains (relation_set, ATK_RELATION_FLOWS_FROM)) { + AtkObject *prev_page; + + prev_page = atk_object_ref_accessible_child (ATK_OBJECT (self->priv->view_accessible), + self->priv->page - 1); + accessible_array [0] = prev_page; + relation = atk_relation_new (accessible_array, 1, ATK_RELATION_FLOWS_FROM); + atk_relation_set_add (relation_set, relation); + + g_object_unref (relation); + g_object_unref (prev_page); + } + + return relation_set; +} + static void ev_page_accessible_class_init (EvPageAccessibleClass *klass) { @@ -134,6 +189,7 @@ ev_page_accessible_class_init (EvPageAccessibleClass *klass) g_type_class_add_private (klass, sizeof (EvPageAccessiblePrivate)); atk_class->get_parent = ev_page_accessible_get_parent; + atk_class->ref_relation_set = ev_page_accessible_ref_relation_set; g_object_class->get_property = ev_page_accessible_get_property; g_object_class->set_property = ev_page_accessible_set_property; diff --git a/libview/ev-view-accessible.c b/libview/ev-view-accessible.c index c350a7a6..3f448379 100644 --- a/libview/ev-view-accessible.c +++ b/libview/ev-view-accessible.c @@ -127,7 +127,7 @@ ev_view_accessible_initialize (AtkObject *obj, atk_object_set_role (obj, ATK_ROLE_DOCUMENT_FRAME); } -static gint +gint ev_view_accessible_get_n_pages (EvViewAccessible *self) { return self->priv->children == NULL ? 0 : self->priv->children->len; diff --git a/libview/ev-view-accessible.h b/libview/ev-view-accessible.h index df3ca317..9b62d347 100644 --- a/libview/ev-view-accessible.h +++ b/libview/ev-view-accessible.h @@ -52,6 +52,7 @@ GType ev_view_accessible_get_type (void); AtkObject *ev_view_accessible_new (GtkWidget *widget); void ev_view_accessible_set_model (EvViewAccessible *accessible, EvDocumentModel *model); +gint ev_view_accessible_get_n_pages (EvViewAccessible *accessible); #endif /* __EV_VIEW_ACCESSIBLE_H__ */ |