Remove GTK AX support, we've never used it

Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceSelection.cpp

-/*
- * Copyright (C) 2008 Nuanti Ltd.
- * Copyright (C) 2009 Jan Alonzo
- * Copyright (C) 2010, 2011, 2012 Igalia S.L.
- *
- * Portions from Mozilla a11y, copyright as follows:
- *
- * The Original Code is mozilla.org code.
- *
- * The Initial Developer of the Original Code is
- * Sun Microsystems, Inc.
- * Portions created by the Initial Developer are Copyright (C) 2002
- * the Initial Developer. All Rights Reserved.
- *
- * 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 "WebKitAccessibleInterfaceSelection.h"
-
-#if HAVE(ACCESSIBILITY)
-
-#include "AccessibilityListBox.h"
-#include "AccessibilityObject.h"
-#include "HTMLSelectElement.h"
-#include "RenderObject.h"
-#include "WebKitAccessibleWrapperAtk.h"
-
-using namespace WebCore;
-
-static AccessibilityObject* core(AtkSelection* selection)
-{
-    if (!WEBKIT_IS_ACCESSIBLE(selection))
-        return 0;
-
-    return webkitAccessibleGetAccessibilityObject(WEBKIT_ACCESSIBLE(selection));
-}
-
-static AccessibilityObject* listObjectForSelection(AtkSelection* selection)
-{
-    AccessibilityObject* coreSelection = core(selection);
-
-    // Only list boxes and menu lists supported so far.
-    if (!coreSelection->isListBox() && !coreSelection->isMenuList())
-        return 0;
-
-    // For list boxes the list object is just itself.
-    if (coreSelection->isListBox())
-        return coreSelection;
-
-    // For menu lists we need to return the first accessible child,
-    // with role MenuListPopupRole, since that's the one holding the list
-    // of items with role MenuListOptionRole.
-    AccessibilityObject::AccessibilityChildrenVector children = coreSelection->children();
-    if (!children.size())
-        return 0;
-
-    AccessibilityObject* listObject = children.at(0).get();
-    if (!listObject->isMenuListPopup())
-        return 0;
-
-    return listObject;
-}
-
-static AccessibilityObject* optionFromList(AtkSelection* selection, gint index)
-{
-    AccessibilityObject* coreSelection = core(selection);
-    if (!coreSelection || index < 0)
-        return 0;
-
-    // Need to select the proper list object depending on the type.
-    AccessibilityObject* listObject = listObjectForSelection(selection);
-    if (!listObject)
-        return 0;
-
-    AccessibilityObject::AccessibilityChildrenVector options = listObject->children();
-    if (index < static_cast<gint>(options.size()))
-        return options.at(index).get();
-
-    return 0;
-}
-
-static AccessibilityObject* optionFromSelection(AtkSelection* selection, gint index)
-{
-    // i is the ith selection as opposed to the ith child.
-
-    AccessibilityObject* coreSelection = core(selection);
-    if (!coreSelection || !coreSelection->isAccessibilityRenderObject() || index < 0)
-        return 0;
-
-    AccessibilityObject::AccessibilityChildrenVector selectedItems;
-    if (coreSelection->isListBox())
-        coreSelection->selectedChildren(selectedItems);
-    else if (coreSelection->isMenuList()) {
-        RenderObject* renderer = coreSelection->renderer();
-        if (!renderer)
-            return 0;
-
-        HTMLSelectElement* selectNode = toHTMLSelectElement(renderer->node());
-        int selectedIndex = selectNode->selectedIndex();
-        const Vector<HTMLElement*> listItems = selectNode->listItems();
-
-        if (selectedIndex < 0 || selectedIndex >= static_cast<int>(listItems.size()))
-            return 0;
-
-        return optionFromList(selection, selectedIndex);
-    }
-
-    if (index < static_cast<gint>(selectedItems.size()))
-        return selectedItems.at(index).get();
-
-    return 0;
-}
-
-static gboolean webkitAccessibleSelectionAddSelection(AtkSelection* selection, gint index)
-{
-    AccessibilityObject* coreSelection = core(selection);
-    if (!coreSelection)
-        return FALSE;
-
-    AccessibilityObject* option = optionFromList(selection, index);
-    if (option && (coreSelection->isListBox() || coreSelection->isMenuList())) {
-        option->setSelected(true);
-        return option->isSelected();
-    }
-
-    return FALSE;
-}
-
-static gboolean webkitAccessibleSelectionClearSelection(AtkSelection* selection)
-{
-    AccessibilityObject* coreSelection = core(selection);
-    if (!coreSelection)
-        return FALSE;
-
-    AccessibilityObject::AccessibilityChildrenVector selectedItems;
-    if (coreSelection->isListBox() || coreSelection->isMenuList()) {
-        // Set the list of selected items to an empty list; then verify that it worked.
-        AccessibilityListBox* listBox = static_cast<AccessibilityListBox*>(coreSelection);
-        listBox->setSelectedChildren(selectedItems);
-        listBox->selectedChildren(selectedItems);
-        return !selectedItems.size();
-    }
-    return FALSE;
-}
-
-static AtkObject* webkitAccessibleSelectionRefSelection(AtkSelection* selection, gint index)
-{
-    AccessibilityObject* option = optionFromSelection(selection, index);
-    if (option) {
-        AtkObject* child = option->wrapper();
-        g_object_ref(child);
-        return child;
-    }
-
-    return 0;
-}
-
-static gint webkitAccessibleSelectionGetSelectionCount(AtkSelection* selection)
-{
-    AccessibilityObject* coreSelection = core(selection);
-    if (!coreSelection || !coreSelection->isAccessibilityRenderObject())
-        return 0;
-
-    if (coreSelection->isListBox()) {
-        AccessibilityObject::AccessibilityChildrenVector selectedItems;
-        coreSelection->selectedChildren(selectedItems);
-        return static_cast<gint>(selectedItems.size());
-    }
-
-    if (coreSelection->isMenuList()) {
-        RenderObject* renderer = coreSelection->renderer();
-        if (!renderer)
-            return 0;
-
-        int selectedIndex = toHTMLSelectElement(renderer->node())->selectedIndex();
-        return selectedIndex >= 0 && selectedIndex < static_cast<int>(toHTMLSelectElement(renderer->node())->listItems().size());
-    }
-
-    return 0;
-}
-
-static gboolean webkitAccessibleSelectionIsChildSelected(AtkSelection* selection, gint index)
-{
-    AccessibilityObject* coreSelection = core(selection);
-    if (!coreSelection)
-        return 0;
-
-    AccessibilityObject* option = optionFromList(selection, index);
-    if (option && (coreSelection->isListBox() || coreSelection->isMenuList()))
-        return option->isSelected();
-
-    return FALSE;
-}
-
-static gboolean webkitAccessibleSelectionRemoveSelection(AtkSelection* selection, gint index)
-{
-    AccessibilityObject* coreSelection = core(selection);
-    if (!coreSelection)
-        return 0;
-
-    // TODO: This is only getting called if i == 0. What is preventing the rest?
-    AccessibilityObject* option = optionFromSelection(selection, index);
-    if (option && (coreSelection->isListBox() || coreSelection->isMenuList())) {
-        option->setSelected(false);
-        return !option->isSelected();
-    }
-
-    return FALSE;
-}
-
-static gboolean webkitAccessibleSelectionSelectAllSelection(AtkSelection* selection)
-{
-    AccessibilityObject* coreSelection = core(selection);
-    if (!coreSelection || !coreSelection->isMultiSelectable())
-        return FALSE;
-
-    AccessibilityObject::AccessibilityChildrenVector children = coreSelection->children();
-    if (coreSelection->isListBox()) {
-        AccessibilityListBox* listBox = static_cast<AccessibilityListBox*>(coreSelection);
-        listBox->setSelectedChildren(children);
-        AccessibilityObject::AccessibilityChildrenVector selectedItems;
-        listBox->selectedChildren(selectedItems);
-        return selectedItems.size() == children.size();
-    }
-
-    return FALSE;
-}
-
-void webkitAccessibleSelectionInterfaceInit(AtkSelectionIface* iface)
-{
-    iface->add_selection = webkitAccessibleSelectionAddSelection;
-    iface->clear_selection = webkitAccessibleSelectionClearSelection;
-    iface->ref_selection = webkitAccessibleSelectionRefSelection;
-    iface->get_selection_count = webkitAccessibleSelectionGetSelectionCount;
-    iface->is_child_selected = webkitAccessibleSelectionIsChildSelected;
-    iface->remove_selection = webkitAccessibleSelectionRemoveSelection;
-    iface->select_all_selection = webkitAccessibleSelectionSelectAllSelection;
-}
-
-#endif