WebCore/accessibility/gtk/AccessibilityObjectAtk.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/accessibility/gtk/AccessibilityObjectAtk.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2008 Apple Ltd.
+ * Copyright (C) 2008 Alp Toker <alp@atoker.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "AccessibilityObject.h"
+
+#include <glib-object.h>
+
+#if HAVE(ACCESSIBILITY)
+
+namespace WebCore {
+
+bool AccessibilityObject::accessibilityIgnoreAttachment() const
+{
+    return false;
+}
+
+AccessibilityObjectInclusion AccessibilityObject::accessibilityPlatformIncludesObject() const
+{
+    AccessibilityObject* parent = parentObject();
+    if (!parent)
+        return DefaultBehavior;
+
+    if (roleValue() == SplitterRole)
+        return IncludeObject;
+
+    if (isGroup()) {
+        // When a list item is made up entirely of children (e.g. paragraphs)
+        // the list item gets ignored. We need it.
+        if (parent->isList())
+            return IncludeObject;
+
+        // We expect the parent of a table cell to be a table.
+        AccessibilityObject* child = firstChild();
+        if (child && child->roleValue() == CellRole)
+            return IgnoreObject;
+    }
+
+    // Entries and password fields have extraneous children which we want to ignore.
+    if (parent->isPasswordField() || parent->isTextControl())
+        return IgnoreObject;
+
+    AccessibilityRole role = roleValue();
+
+    // Include all tables, even layout tables. The AT can decide what to do with each.
+    if (role == CellRole || role == TableRole)
+        return IncludeObject;
+
+    // We at some point might have a need to expose a table row; but it's not standard Gtk+.
+    if (role == RowRole)
+        return IgnoreObject;
+
+    // The object containing the text should implement AtkText itself.
+    if (role == StaticTextRole)
+        return IgnoreObject;
+
+    return DefaultBehavior;
+}
+
+AccessibilityObjectWrapper* AccessibilityObject::wrapper() const
+{
+    return m_wrapper;
+}
+
+void AccessibilityObject::setWrapper(AccessibilityObjectWrapper* wrapper)
+{
+    if (wrapper == m_wrapper)
+        return;
+
+    if (m_wrapper)
+        g_object_unref(m_wrapper);
+
+    m_wrapper = wrapper;
+
+    if (m_wrapper)
+        g_object_ref(m_wrapper);
+}
+
+} // namespace WebCore
+
+#endif // HAVE(ACCESSIBILITY)