Remove GTK AX support, we've never used it

Source/WebCore/accessibility/atk/WebKitAccessibleUtil.cpp

-/*
- * Copyright (C) 2008 Nuanti Ltd.
- * Copyright (C) 2009 Jan Alonzo
- * Copyright (C) 2009, 2010, 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 "WebKitAccessibleUtil.h"
-
-#if HAVE(ACCESSIBILITY)
-
-#include "AccessibilityObject.h"
-#include "FrameView.h"
-#include "IntRect.h"
-#include "Node.h"
-#include "Range.h"
-#include "VisibleSelection.h"
-
-#include <wtf/text/AtomicString.h>
-#include <wtf/text/CString.h>
-
-using namespace WebCore;
-
-AtkAttributeSet* addToAtkAttributeSet(AtkAttributeSet* attributeSet, const char* name, const char* value)
-{
-    AtkAttribute* attribute = static_cast<AtkAttribute*>(g_malloc(sizeof(AtkAttribute)));
-    attribute->name = g_strdup(name);
-    attribute->value = g_strdup(value);
-    attributeSet = g_slist_prepend(attributeSet, attribute);
-    return attributeSet;
-}
-
-void contentsRelativeToAtkCoordinateType(AccessibilityObject* coreObject, AtkCoordType coordType, IntRect rect, gint* x, gint* y, gint* width, gint* height)
-{
-    FrameView* frameView = coreObject->documentFrameView();
-
-    if (frameView) {
-        switch (coordType) {
-        case ATK_XY_WINDOW:
-            rect = frameView->contentsToWindow(rect);
-            break;
-        case ATK_XY_SCREEN:
-            rect = frameView->contentsToScreen(rect);
-            break;
-        }
-    }
-
-    if (x)
-        *x = rect.x();
-    if (y)
-        *y = rect.y();
-    if (width)
-        *width = rect.width();
-    if (height)
-        *height = rect.height();
-}
-
-// FIXME: Different kinds of elements are putting the title tag to use
-// in different AX fields. This might not be 100% correct but we will
-// keep it now in order to achieve consistency with previous behavior.
-static bool titleTagShouldBeUsedInDescriptionField(AccessibilityObject* coreObject)
-{
-    return (coreObject->isLink() && !coreObject->isImageMapLink()) || coreObject->isImage();
-}
-
-// This should be the "visible" text that's actually on the screen if possible.
-// If there's alternative text, that can override the title.
-String accessibilityTitle(AccessibilityObject* coreObject)
-{
-    Vector<AccessibilityText> textOrder;
-    coreObject->accessibilityText(textOrder);
-
-    unsigned length = textOrder.size();
-    for (unsigned k = 0; k < length; k++) {
-        const AccessibilityText& text = textOrder[k];
-
-        // Once we encounter visible text, or the text from our children that should be used foremost.
-        if (text.textSource == VisibleText || text.textSource == ChildrenText)
-            return text.text;
-
-        // If there's an element that labels this object and it's not exposed, then we should use
-        // that text as our title.
-        if (text.textSource == LabelByElementText && !coreObject->exposesTitleUIElement())
-            return text.text;
-
-        // Elements of role ToolbarRole will return its title as AlternativeText.
-        if (coreObject->roleValue() == ToolbarRole && text.textSource == AlternativeText)
-            return text.text;
-
-        // FIXME: The title tag is used in certain cases for the title. This usage should
-        // probably be in the description field since it's not "visible".
-        if (text.textSource == TitleTagText && !titleTagShouldBeUsedInDescriptionField(coreObject))
-            return text.text;
-    }
-    return String();
-}
-
-String accessibilityDescription(AccessibilityObject* coreObject)
-{
-    Vector<AccessibilityText> textOrder;
-    coreObject->accessibilityText(textOrder);
-
-    unsigned length = textOrder.size();
-    for (unsigned k = 0; k < length; k++) {
-        const AccessibilityText& text = textOrder[k];
-
-        if (text.textSource == AlternativeText)
-            return text.text;
-
-        if (text.textSource == TitleTagText && titleTagShouldBeUsedInDescriptionField(coreObject))
-            return text.text;
-    }
-
-    return String();
-}
-
-bool selectionBelongsToObject(AccessibilityObject* coreObject, VisibleSelection& selection)
-{
-    if (!coreObject || !coreObject->isAccessibilityRenderObject())
-        return false;
-
-    if (selection.isNone())
-        return false;
-
-    RefPtr<Range> range = selection.toNormalizedRange();
-    if (!range)
-        return false;
-
-    // We want to check that both the selection intersects the node
-    // AND that the selection is not just "touching" one of the
-    // boundaries for the selected node. We want to check whether the
-    // node is actually inside the region, at least partially.
-    Node* node = coreObject->node();
-    Node* lastDescendant = node->lastDescendant();
-    return (range->intersectsNode(node, IGNORE_EXCEPTION)
-        && (range->endContainer() != node || range->endOffset())
-        && (range->startContainer() != lastDescendant || range->startOffset() != lastOffsetInNode(lastDescendant)));
-}
-
-#endif