1 /*

     2  * Copyright (C) 2009 Igalia S.L.

     3  *

     4  * This library is free software; you can redistribute it and/or

     5  * modify it under the terms of the GNU Library General Public

     6  * License as published by the Free Software Foundation; either

     7  * version 2 of the License, or (at your option) any later version.

     8  *

     9  * This library is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  * Library General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU Library General Public License

    15  * along with this library; see the file COPYING.LIB.  If not, write to

    16  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    17  * Boston, MA 02110-1301, USA.

    18  */

    19  

    20 #include "config.h"

    21 #include "SelectionController.h"

    22 

    23 #include "AccessibilityObjectWrapperAtk.h"

    24 #include "AXObjectCache.h"

    25 #include "Frame.h"

    26 

    27 #include <gtk/gtk.h>

    28 

    29 namespace WebCore {

    30 

    31 void SelectionController::notifyAccessibilityForSelectionChange()

    32 {

    33     if (AXObjectCache::accessibilityEnabled() && m_selection.start().isNotNull() && m_selection.end().isNotNull()) {

    34         RenderObject* focusedNode = m_selection.end().node()->renderer();

    35         AccessibilityObject* accessibilityObject = m_frame->document()->axObjectCache()->getOrCreate(focusedNode);

    36 

    37         // need to check this as getOrCreate could return 0

    38         if (!accessibilityObject)

    39             return;

    40 

    41         int offset;

    42         // Always report the events w.r.t. the non-linked unignored parent. (i.e. ignoreLinks == true)

    43         AccessibilityObject* object = objectAndOffsetUnignored(accessibilityObject, offset, true);

    44         AtkObject* wrapper = object->wrapper();

    45         if (ATK_IS_TEXT(wrapper)) {

    46             g_signal_emit_by_name(wrapper, "text-caret-moved", offset);

    47             if (m_selection.isRange())

    48                 g_signal_emit_by_name(wrapper, "text-selection-changed");

    49         }

    50     }

    51 }

    52 

    53 } // namespace WebCore