accessibilityobjectwrapperatk.cpp

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        extents = core(text)->document()->view()->contentsToScreen(extents);
        break;
    case ATK_XY_WINDOW:
        // No-op
        break;
    }
#endif

    *x = extents.x();
    *y = extents.y();
    *width = extents.width();
    *height = extents.height();
}

static gint webkit_accessible_text_get_character_count(AtkText* text)
{
    return core(text)->textLength();
}

static gint webkit_accessible_text_get_offset_at_point(AtkText* text, gint x, gint y, AtkCoordType coords)
{
    // FIXME: Use the AtkCoordType
    // TODO: Is it correct to ignore range.length?
    IntPoint pos(x, y);
    PlainTextRange range = core(text)->doAXRangeForPosition(pos);
    return range.start;
}

static gint webkit_accessible_text_get_n_selections(AtkText* text)
{
    notImplemented();
    return 0;
}

static gchar* webkit_accessible_text_get_selection(AtkText* text, gint selection_num, gint* start_offset, gint* end_offset)
{
    notImplemented();
    return NULL;
}

static gboolean webkit_accessible_text_add_selection(AtkText* text, gint start_offset, gint end_offset)
{
    notImplemented();
    return FALSE;
}

static gboolean webkit_accessible_text_remove_selection(AtkText* text, gint selection_num)
{
    notImplemented();
    return FALSE;
}

static gboolean webkit_accessible_text_set_selection(AtkText* text, gint selection_num, gint start_offset, gint end_offset)
{
    notImplemented();
    return FALSE;
}

static gboolean webkit_accessible_text_set_caret_offset(AtkText* text, gint offset)
{
    // TODO: Verify
    //core(text)->setSelectedTextRange(PlainTextRange(offset, 0));
    AccessibilityObject* coreObject = core(text);
    coreObject->setSelectedVisiblePositionRange(coreObject->visiblePositionRangeForRange(PlainTextRange(offset, 0)));
    return TRUE;
}

#if 0
// Signal handlers
static void webkit_accessible_text_text_changed(AtkText* text, gint position, gint length)
{
}

static void webkit_accessible_text_text_caret_moved(AtkText* text, gint location)
{
}

static void webkit_accessible_text_text_selection_changed(AtkText* text)
{
}

static void webkit_accessible_text_text_attributes_changed(AtkText* text)
{
}

static void webkit_accessible_text_get_range_extents(AtkText* text, gint start_offset, gint end_offset, AtkCoordType coord_type, AtkTextRectangle* rect)
{
}

static AtkTextRange** webkit_accessible_text_get_bounded_ranges(AtkText* text, AtkTextRectangle* rect, AtkCoordType coord_type, AtkTextClipType x_clip_type, AtkTextClipType y_clip_type)
{
}
#endif

static void atk_text_interface_init(AtkTextIface* iface)
{
    g_return_if_fail(iface);

    iface->get_text = webkit_accessible_text_get_text;
    iface->get_text_after_offset = webkit_accessible_text_get_text_after_offset;
    iface->get_text_at_offset = webkit_accessible_text_get_text_at_offset;
    iface->get_character_at_offset = webkit_accessible_text_get_character_at_offset;
    iface->get_text_before_offset = webkit_accessible_text_get_text_before_offset;
    iface->get_caret_offset = webkit_accessible_text_get_caret_offset;
    iface->get_run_attributes = webkit_accessible_text_get_run_attributes;
    iface->get_default_attributes = webkit_accessible_text_get_default_attributes;
    iface->get_character_extents = webkit_accessible_text_get_character_extents;
    //iface->get_range_extents = ;
    iface->get_character_count = webkit_accessible_text_get_character_count;
    iface->get_offset_at_point = webkit_accessible_text_get_offset_at_point;
    iface->get_n_selections = webkit_accessible_text_get_n_selections;
    iface->get_selection = webkit_accessible_text_get_selection;

    // set methods
    iface->add_selection = webkit_accessible_text_add_selection;
    iface->remove_selection = webkit_accessible_text_remove_selection;
    iface->set_selection = webkit_accessible_text_set_selection;
    iface->set_caret_offset = webkit_accessible_text_set_caret_offset;
}

// EditableText

static gboolean webkit_accessible_editable_text_set_run_attributes(AtkEditableText* text, AtkAttributeSet* attrib_set, gint start_offset, gint end_offset)
{
    notImplemented();
    return FALSE;
}

static void webkit_accessible_editable_text_set_text_contents(AtkEditableText* text, const gchar* string)
{
    // FIXME: string nullcheck?
    core(text)->setValue(String::fromUTF8(string));
}

static void webkit_accessible_editable_text_insert_text(AtkEditableText* text, const gchar* string, gint length, gint* position)
{
    // FIXME: string nullcheck?

    AccessibilityObject* coreObject = core(text);
    // FIXME: Not implemented in WebCore
    //coreObject->setSelectedTextRange(PlainTextRange(*position, 0));
    //coreObject->setSelectedText(String::fromUTF8(string));

    if (!coreObject->document() || !coreObject->document()->frame())
        return;
    coreObject->setSelectedVisiblePositionRange(coreObject->visiblePositionRangeForRange(PlainTextRange(*position, 0)));
    coreObject->setFocused(true);
    // FIXME: We should set position to the actual inserted text length, which may be less than that requested.
    if (coreObject->document()->frame()->editor()->insertTextWithoutSendingTextEvent(String::fromUTF8(string), false, 0))
        *position += length;
}

static void webkit_accessible_editable_text_copy_text(AtkEditableText* text, gint start_pos, gint end_pos)
{
    notImplemented();
}

static void webkit_accessible_editable_text_cut_text(AtkEditableText* text, gint start_pos, gint end_pos)
{
    notImplemented();
}

static void webkit_accessible_editable_text_delete_text(AtkEditableText* text, gint start_pos, gint end_pos)
{
    AccessibilityObject* coreObject = core(text);
    // FIXME: Not implemented in WebCore
    //coreObject->setSelectedTextRange(PlainTextRange(start_pos, end_pos - start_pos));
    //coreObject->setSelectedText(String());

    if (!coreObject->document() || !coreObject->document()->frame())
        return;
    coreObject->setSelectedVisiblePositionRange(coreObject->visiblePositionRangeForRange(PlainTextRange(start_pos, end_pos - start_pos)));
    coreObject->setFocused(true);
    coreObject->document()->frame()->editor()->performDelete();
}

static void webkit_accessible_editable_text_paste_text(AtkEditableText* text, gint position)
{
    notImplemented();
}

static void atk_editable_text_interface_init(AtkEditableTextIface* iface)
{
    g_return_if_fail(iface);

    iface->set_run_attributes = webkit_accessible_editable_text_set_run_attributes;
    iface->set_text_contents = webkit_accessible_editable_text_set_text_contents;
    iface->insert_text = webkit_accessible_editable_text_insert_text;
    iface->copy_text = webkit_accessible_editable_text_copy_text;
    iface->cut_text = webkit_accessible_editable_text_cut_text;
    iface->delete_text = webkit_accessible_editable_text_delete_text;
    iface->paste_text = webkit_accessible_editable_text_paste_text;
}

// StreamableContent

static gint webkit_accessible_streamable_content_get_n_mime_types(AtkStreamableContent* streamable)
{
    notImplemented();
    return 0;
}

static G_CONST_RETURN gchar* webkit_accessible_streamable_content_get_mime_type(AtkStreamableContent* streamable, gint i)
{
    notImplemented();
    return "";
}

static GIOChannel* webkit_accessible_streamable_content_get_stream(AtkStreamableContent* streamable, const gchar* mime_type)
{
    notImplemented();
    return NULL;
}

static G_CONST_RETURN gchar* webkit_accessible_streamable_content_get_uri(AtkStreamableContent* streamable, const gchar* mime_type)
{
    notImplemented();
    return NULL;
}

static void atk_streamable_content_interface_init(AtkStreamableContentIface* iface)
{
    g_return_if_fail(iface);

    iface->get_n_mime_types = webkit_accessible_streamable_content_get_n_mime_types;
    iface->get_mime_type = webkit_accessible_streamable_content_get_mime_type;
    iface->get_stream = webkit_accessible_streamable_content_get_stream;
    iface->get_uri = webkit_accessible_streamable_content_get_uri;
}

GType webkit_accessible_get_type()
{
    static GType type = 0;

    if (!type) {
        static const GTypeInfo tinfo = {
            sizeof(WebKitAccessibleClass),
            (GBaseInitFunc)NULL,
            (GBaseFinalizeFunc)NULL,
            (GClassInitFunc)webkit_accessible_class_init,
            (GClassFinalizeFunc)NULL,
            NULL, /* class data */
            sizeof(WebKitAccessible), /* instance size */
            0, /* nb preallocs */
            (GInstanceInitFunc)NULL,
            NULL /* value table */
        };

        type = g_type_register_static(ATK_TYPE_OBJECT, "WebKitAccessible", &tinfo, static_cast<GTypeFlags>(0));

        // TODO: Only implement interfaces when necessary, not for all objects.
        static const GInterfaceInfo atk_action_info =
        {
            (GInterfaceInitFunc) atk_action_interface_init,
            (GInterfaceFinalizeFunc) NULL,
            NULL
        };
        g_type_add_interface_static(type, ATK_TYPE_ACTION, &atk_action_info);

        static const GInterfaceInfo atk_text_info =
        {
            (GInterfaceInitFunc) atk_text_interface_init,
            (GInterfaceFinalizeFunc) NULL,
            NULL
        };
        g_type_add_interface_static(type, ATK_TYPE_TEXT, &atk_text_info);

        static const GInterfaceInfo atk_editable_text_info =
        {
            (GInterfaceInitFunc) atk_editable_text_interface_init,
            (GInterfaceFinalizeFunc) NULL,
            NULL
        };
        g_type_add_interface_static(type, ATK_TYPE_EDITABLE_TEXT, &atk_editable_text_info);

        static const GInterfaceInfo atk_streamable_content_info =
        {
            (GInterfaceInitFunc) atk_streamable_content_interface_init,
            (GInterfaceFinalizeFunc) NULL,
            NULL
        };
        g_type_add_interface_static(type, ATK_TYPE_STREAMABLE_CONTENT, &atk_streamable_content_info);
    }
    return type;
}

WebKitAccessible* webkit_accessible_new(AccessibilityObject* coreObject)
{
    GType type = WEBKIT_TYPE_ACCESSIBLE;
    AtkObject* object = static_cast<AtkObject*>(g_object_new(type, NULL));
    atk_object_initialize(object, coreObject);
    return WEBKIT_ACCESSIBLE(object);
}

AccessibilityObject* webkit_accessible_get_accessibility_object(WebKitAccessible* accessible)
{
    return accessible->m_object;
}

// FIXME: Remove this static initialization.
static AXObjectCache* fallbackCache = new AXObjectCache();

void webkit_accessible_detach(WebKitAccessible* accessible)
{
    ASSERT(accessible->m_object);

    // We replace the WebCore AccessibilityObject with a fallback object that
    // provides default implementations to avoid repetitive null-checking after
    // detachment.

    // FIXME: Using fallbackCache->get(ListBoxOptionRole) is a hack.
    accessible->m_object = fallbackCache->getOrCreate(ListBoxOptionRole);
}

}

namespace WebCore {

// AccessibilityObject implementations

AccessibilityObjectWrapper* AccessibilityObject::wrapper() const
{
    return m_wrapper;
}

void AccessibilityObject::setWrapper(AccessibilityObjectWrapper* wrapper)
{
    if (m_wrapper)
        g_object_unref(m_wrapper);

    m_wrapper = wrapper;

    if (m_wrapper)
        g_object_ref(m_wrapper);
}

} // namespace WebCore

#endif // HAVE(ACCESSIBILITY)