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authorAlejandro PiƱeiro <[email protected]>2014-03-12 17:17:23 +0100
committerraveit65 <[email protected]>2017-11-27 10:13:51 +0100
commit148f8e9faef247824949675333f75b3f3a9b7663 (patch)
tree357a18e4e9eae6d29f4de1d0101c00b44787a0a2 /libview/ev-view-accessible.c
parenta7b2126e8cf9a082fa7f9190a840b638e0e872db (diff)
downloadatril-148f8e9faef247824949675333f75b3f3a9b7663.tar.bz2
atril-148f8e9faef247824949675333f75b3f3a9b7663.tar.xz
a11y: expose EvPageAccessible as children of EvViewAccessible
https://bugzilla.gnome.org/show_bug.cgi?id=724965 origin commit: https://git.gnome.org/browse/evince/commit/?h=gnome-3-14&id=c1cdf84
Diffstat (limited to 'libview/ev-view-accessible.c')
-rw-r--r--libview/ev-view-accessible.c77
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"