diff options
Diffstat (limited to 'libview')
| -rw-r--r-- | libview/ev-view-accessible.c | 77 |
1 files changed, 70 insertions, 7 deletions
diff --git a/libview/ev-view-accessible.c b/libview/ev-view-accessible.c index 70815cc5..9be52581 100644 --- a/libview/ev-view-accessible.c +++ b/libview/ev-view-accessible.c @@ -28,6 +28,7 @@ #include "ev-view-accessible.h" #include "ev-link-accessible.h" #include "ev-view-private.h" +#include "ev-page-accessible.h" static void ev_view_accessible_text_iface_init (AtkTextIface *iface); static void ev_view_accessible_action_iface_init (AtkActionIface *iface); @@ -66,6 +67,8 @@ struct _EvViewAccessiblePrivate { GHashTable *links; gint previous_cursor_page; + + GPtrArray *children; }; G_DEFINE_TYPE_WITH_CODE (EvViewAccessible, ev_view_accessible, GTK_TYPE_CONTAINER_ACCESSIBLE, @@ -90,6 +93,23 @@ clear_cache (EvViewAccessible *accessible) } static void +clear_children (EvViewAccessible *self) +{ + gint i; + AtkObject *child; + + if (self->priv->children == NULL) + return; + + for (i = 0; i < self->priv->children->len; i++) { + child = g_ptr_array_index (self->priv->children, i); + atk_object_notify_state_change (child, ATK_STATE_DEFUNCT, TRUE); + } + + g_clear_pointer (&self->priv->children, g_ptr_array_unref); +} + +static void ev_view_accessible_finalize (GObject *object) { EvViewAccessiblePrivate *priv = EV_VIEW_ACCESSIBLE (object)->priv; @@ -105,6 +125,7 @@ ev_view_accessible_finalize (GObject *object) for (i = 0; i < LAST_ACTION; i++) g_free (priv->action_descriptions [i]); clear_cache (EV_VIEW_ACCESSIBLE (object)); + clear_children (EV_VIEW_ACCESSIBLE (object)); G_OBJECT_CLASS (ev_view_accessible_parent_class)->finalize (object); } @@ -122,6 +143,31 @@ ev_view_accessible_initialize (AtkObject *obj, atk_object_set_role (obj, ATK_ROLE_DOCUMENT_FRAME); } +static gint +ev_view_accessible_get_n_pages (EvViewAccessible *self) +{ + return self->priv->children == NULL ? 0 : self->priv->children->len; +} + +static AtkObject * +ev_view_accessible_ref_child (AtkObject *obj, + gint i) +{ + EvViewAccessible *self; + + g_return_val_if_fail (EV_IS_VIEW_ACCESSIBLE (obj), NULL); + self = EV_VIEW_ACCESSIBLE (obj); + g_return_val_if_fail (i >= 0 || i < ev_view_accessible_get_n_pages (self), NULL); + + return g_object_ref (g_ptr_array_index (self->priv->children, i)); +} + +static gint +ev_view_accessible_get_n_children (AtkObject *obj) +{ + return ev_view_accessible_get_n_pages (EV_VIEW_ACCESSIBLE (obj)); +} + static void ev_view_accessible_class_init (EvViewAccessibleClass *klass) { @@ -130,6 +176,8 @@ ev_view_accessible_class_init (EvViewAccessibleClass *klass) object_class->finalize = ev_view_accessible_finalize; atk_class->initialize = ev_view_accessible_initialize; + atk_class->get_n_children = ev_view_accessible_get_n_children; + atk_class->ref_child = ev_view_accessible_ref_child; g_type_class_add_private (klass, sizeof (EvViewAccessiblePrivate)); } @@ -855,15 +903,9 @@ ev_view_accessible_add_selection (AtkText *text, static gint ev_view_accessible_get_page_count (AtkDocument *atk_document) { - EvDocument *ev_document; - EvViewAccessiblePrivate* priv; - g_return_val_if_fail (EV_IS_VIEW_ACCESSIBLE (atk_document), -1); - priv = EV_VIEW_ACCESSIBLE (atk_document)->priv; - ev_document = ev_document_model_get_document (priv->model); - - return ev_document == NULL ? -1 : ev_document_get_n_pages (ev_document); + return ev_view_accessible_get_n_pages (EV_VIEW_ACCESSIBLE (atk_document)); } static gint @@ -1159,16 +1201,37 @@ page_changed_cb (EvDocumentModel *model, } static void +initialize_children (EvViewAccessible *self) +{ + gint i; + EvPageAccessible *child; + gint n_pages; + EvDocument *ev_document; + + ev_document = ev_document_model_get_document (self->priv->model); + n_pages = ev_document_get_n_pages (ev_document); + + self->priv->children = g_ptr_array_new_full (n_pages, (GDestroyNotify) g_object_unref); + for (i = 0; i < n_pages; i++) { + child = ev_page_accessible_new (self, i); + g_ptr_array_add (self->priv->children, child); + } +} + +static void document_changed_cb (EvDocumentModel *model, GParamSpec *pspec, EvViewAccessible *accessible) { EvDocument *document = ev_document_model_get_document (model); + clear_children (accessible); + if (document == NULL) return; clear_cache (accessible); + initialize_children (accessible); /* Inside this callback the document is already loaded. We * don't have here an "just before" and "just after" |