Remove GTK AX support, we've never used it

Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceText.cpp

Index: Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceText.cpp
diff --git a/Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceText.cpp b/Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceText.cpp
deleted file mode 100644
index fad01711e58e6994e3b46a1eb85338e4fcb01714..0000000000000000000000000000000000000000
--- a/Source/WebCore/accessibility/atk/WebKitAccessibleInterfaceText.cpp
+++ /dev/null
@@ -1,868 +0,0 @@
-/*
- * Copyright (C) 2008 Nuanti Ltd.
- * Copyright (C) 2009 Jan Alonzo
- * Copyright (C) 2009, 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 "WebKitAccessibleInterfaceText.h"
-
-#if HAVE(ACCESSIBILITY)
-
-#include "AccessibilityObject.h"
-#include "Document.h"
-#include "Font.h"
-#include "FrameView.h"
-#include "HostWindow.h"
-#include "InlineTextBox.h"
-#include "NotImplemented.h"
-#include "RenderListItem.h"
-#include "RenderListMarker.h"
-#include "RenderText.h"
-#include "TextEncoding.h"
-#include "TextIterator.h"
-#include "WebKitAccessibleUtil.h"
-#include "WebKitAccessibleWrapperAtk.h"
-#include "htmlediting.h"
-#include <wtf/gobject/GOwnPtr.h>
-
-#if PLATFORM(GTK)
-#include <libgail-util/gail-util.h>
-#include <pango/pango.h>
-#endif
-
-using namespace WebCore;
-
-static AccessibilityObject* core(AtkText* text)
-{
-    if (!WEBKIT_IS_ACCESSIBLE(text))
-        return 0;
-
-    return webkitAccessibleGetAccessibilityObject(WEBKIT_ACCESSIBLE(text));
-}
-
-static gchar* textForRenderer(RenderObject* renderer)
-{
-    GString* resultText = g_string_new(0);
-
-    if (!renderer)
-        return g_string_free(resultText, FALSE);
-
-    // For RenderBlocks, piece together the text from the RenderText objects they contain.
-    for (RenderObject* object = renderer->firstChild(); object; object = object->nextSibling()) {
-        if (object->isBR()) {
-            g_string_append(resultText, "\n");
-            continue;
-        }
-
-        RenderText* renderText;
-        if (object->isText())
-            renderText = toRenderText(object);
-        else {
-            // List item's markers will be treated in an special way
-            // later on this function, so ignore them here.
-            if (object->isReplaced() && !object->isListMarker())
-                g_string_append_unichar(resultText, objectReplacementCharacter);
-
-            // We need to check children, if any, to consider when
-            // current object is not a text object but some of its
-            // children are, in order not to miss those portions of
-            // text by not properly handling those situations
-            if (object->firstChild())
-                g_string_append(resultText, textForRenderer(object));
-
-            continue;
-        }
-
-        InlineTextBox* box = renderText ? renderText->firstTextBox() : 0;
-        while (box) {
-            // WebCore introduces line breaks in the text that do not reflect
-            // the layout you see on the screen, replace them with spaces.
-            String text = String(renderText->characters(), renderText->textLength()).replace("\n", " ");
-            g_string_append(resultText, text.substring(box->start(), box->end() - box->start() + 1).utf8().data());
-
-            // Newline chars in the source result in separate text boxes, so check
-            // before adding a newline in the layout. See bug 25415 comment #78.
-            // If the next sibling is a BR, we'll add the newline when we examine that child.
-            if (!box->nextOnLineExists() && !(object->nextSibling() && object->nextSibling()->isBR())) {
-                // If there was a '\n' in the last position of the
-                // current text box, it would have been converted to a
-                // space in String::replace(), so remove it first.
-                if (renderText->characters()[box->end()] == '\n')
-                    g_string_erase(resultText, resultText->len - 1, -1);
-
-                g_string_append(resultText, "\n");
-            }
-            box = box->nextTextBox();
-        }
-    }
-
-    // Insert the text of the marker for list item in the right place, if present
-    if (renderer->isListItem()) {
-        String markerText = toRenderListItem(renderer)->markerTextWithSuffix();
-        if (renderer->style()->direction() == LTR)
-            g_string_prepend(resultText, markerText.utf8().data());
-        else
-            g_string_append(resultText, markerText.utf8().data());
-    }
-
-    return g_string_free(resultText, FALSE);
-}
-
-static gchar* textForObject(AccessibilityObject* coreObject)
-{
-    GString* str = g_string_new(0);
-
-    // For text controls, we can get the text line by line.
-    if (coreObject->isTextControl()) {
-        unsigned textLength = coreObject->textLength();
-        int lineNumber = 0;
-        PlainTextRange range = coreObject->doAXRangeForLine(lineNumber);
-        while (range.length) {
-            // When a line of text wraps in a text area, the final space is removed.
-            if (range.start + range.length < textLength)
-                range.length -= 1;
-            String lineText = coreObject->doAXStringForRange(range);
-            g_string_append(str, lineText.utf8().data());
-            g_string_append(str, "\n");
-            range = coreObject->doAXRangeForLine(++lineNumber);
-        }
-    } else if (coreObject->isAccessibilityRenderObject()) {
-        GOwnPtr<gchar> rendererText(textForRenderer(coreObject->renderer()));
-        g_string_append(str, rendererText.get());
-    }
-
-    return g_string_free(str, FALSE);
-}
-
-static gchar* webkitAccessibleTextGetText(AtkText*, gint startOffset, gint endOffset);
-
-#if PLATFORM(GTK)
-static GailTextUtil* getGailTextUtilForAtk(AtkText* textObject)
-{
-    GailTextUtil* gailTextUtil = gail_text_util_new();
-    gail_text_util_text_setup(gailTextUtil, webkitAccessibleTextGetText(textObject, 0, -1));
-    return gailTextUtil;
-}
-
-static PangoLayout* getPangoLayoutForAtk(AtkText* textObject)
-{
-    AccessibilityObject* coreObject = core(textObject);
-
-    Document* document = coreObject->document();
-    if (!document)
-        return 0;
-
-    HostWindow* hostWindow = document->view()->hostWindow();
-    if (!hostWindow)
-        return 0;
-    PlatformPageClient webView = hostWindow->platformPageClient();
-    if (!webView)
-        return 0;
-
-    // Create a string with the layout as it appears on the screen
-    PangoLayout* layout = gtk_widget_create_pango_layout(static_cast<GtkWidget*>(webView), textForObject(coreObject));
-    return layout;
-}
-#endif
-
-static int baselinePositionForRenderObject(RenderObject* renderObject)
-{
-    // FIXME: This implementation of baselinePosition originates from RenderObject.cpp and was
-    // removed in r70072. The implementation looks incorrect though, because this is not the
-    // baseline of the underlying RenderObject, but of the AccessibilityRenderObject.
-    const FontMetrics& fontMetrics = renderObject->firstLineStyle()->fontMetrics();
-    return fontMetrics.ascent() + (renderObject->firstLineStyle()->computedLineHeight() - fontMetrics.height()) / 2;
-}
-
-static AtkAttributeSet* getAttributeSetForAccessibilityObject(const AccessibilityObject* object)
-{
-    if (!object->isAccessibilityRenderObject())
-        return 0;
-
-    RenderObject* renderer = object->renderer();
-    RenderStyle* style = renderer->style();
-
-    AtkAttributeSet* result = 0;
-    GOwnPtr<gchar> buffer(g_strdup_printf("%i", style->fontSize()));
-    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_SIZE), buffer.get());
-
-    Color bgColor = style->visitedDependentColor(CSSPropertyBackgroundColor);
-    if (bgColor.isValid()) {
-        buffer.set(g_strdup_printf("%i,%i,%i", bgColor.red(), bgColor.green(), bgColor.blue()));
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_BG_COLOR), buffer.get());
-    }
-
-    Color fgColor = style->visitedDependentColor(CSSPropertyColor);
-    if (fgColor.isValid()) {
-        buffer.set(g_strdup_printf("%i,%i,%i", fgColor.red(), fgColor.green(), fgColor.blue()));
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_FG_COLOR), buffer.get());
-    }
-
-    int baselinePosition;
-    bool includeRise = true;
-    switch (style->verticalAlign()) {
-    case SUB:
-        baselinePosition = -1 * baselinePositionForRenderObject(renderer);
-        break;
-    case SUPER:
-        baselinePosition = baselinePositionForRenderObject(renderer);
-        break;
-    case BASELINE:
-        baselinePosition = 0;
-        break;
-    default:
-        includeRise = false;
-        break;
-    }
-
-    if (includeRise) {
-        buffer.set(g_strdup_printf("%i", baselinePosition));
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_RISE), buffer.get());
-    }
-
-    if (!style->textIndent().isUndefined()) {
-        int indentation = valueForLength(style->textIndent(), object->size().width(), renderer->view());
-        buffer.set(g_strdup_printf("%i", indentation));
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_INDENT), buffer.get());
-    }
-
-    String fontFamilyName = style->font().family().family().string();
-    if (fontFamilyName.left(8) == "-webkit-")
-        fontFamilyName = fontFamilyName.substring(8);
-
-    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_FAMILY_NAME), fontFamilyName.utf8().data());
-
-    int fontWeight = -1;
-    switch (style->font().weight()) {
-    case FontWeight100:
-        fontWeight = 100;
-        break;
-    case FontWeight200:
-        fontWeight = 200;
-        break;
-    case FontWeight300:
-        fontWeight = 300;
-        break;
-    case FontWeight400:
-        fontWeight = 400;
-        break;
-    case FontWeight500:
-        fontWeight = 500;
-        break;
-    case FontWeight600:
-        fontWeight = 600;
-        break;
-    case FontWeight700:
-        fontWeight = 700;
-        break;
-    case FontWeight800:
-        fontWeight = 800;
-        break;
-    case FontWeight900:
-        fontWeight = 900;
-    }
-    if (fontWeight > 0) {
-        buffer.set(g_strdup_printf("%i", fontWeight));
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_WEIGHT), buffer.get());
-    }
-
-    switch (style->textAlign()) {
-    case TASTART:
-    case TAEND:
-        break;
-    case LEFT:
-    case WEBKIT_LEFT:
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_JUSTIFICATION), "left");
-        break;
-    case RIGHT:
-    case WEBKIT_RIGHT:
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_JUSTIFICATION), "right");
-        break;
-    case CENTER:
-    case WEBKIT_CENTER:
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_JUSTIFICATION), "center");
-        break;
-    case JUSTIFY:
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_JUSTIFICATION), "fill");
-    }
-
-    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_UNDERLINE), (style->textDecoration() & UNDERLINE) ? "single" : "none");
-
-    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_STYLE), style->font().italic() ? "italic" : "normal");
-
-    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_STRIKETHROUGH), (style->textDecoration() & LINE_THROUGH) ? "true" : "false");
-
-    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_INVISIBLE), (style->visibility() == HIDDEN) ? "true" : "false");
-
-    result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_EDITABLE), object->isReadOnly() ? "false" : "true");
-
-    String language = object->language();
-    if (!language.isEmpty())
-        result = addToAtkAttributeSet(result, atk_text_attribute_get_name(ATK_TEXT_ATTR_LANGUAGE), language.utf8().data());
-
-    return result;
-}
-
-static gint compareAttribute(const AtkAttribute* a, const AtkAttribute* b)
-{
-    return g_strcmp0(a->name, b->name) || g_strcmp0(a->value, b->value);
-}
-
-// Returns an AtkAttributeSet with the elements of attributeSet1 which
-// are either not present or different in attributeSet2. Neither
-// attributeSet1 nor attributeSet2 should be used after calling this.
-static AtkAttributeSet* attributeSetDifference(AtkAttributeSet* attributeSet1, AtkAttributeSet* attributeSet2)
-{
-    if (!attributeSet2)
-        return attributeSet1;
-
-    AtkAttributeSet* currentSet = attributeSet1;
-    AtkAttributeSet* found;
-    AtkAttributeSet* toDelete = 0;
-
-    while (currentSet) {
-        found = g_slist_find_custom(attributeSet2, currentSet->data, (GCompareFunc)compareAttribute);
-        if (found) {
-            AtkAttributeSet* nextSet = currentSet->next;
-            toDelete = g_slist_prepend(toDelete, currentSet->data);
-            attributeSet1 = g_slist_delete_link(attributeSet1, currentSet);
-            currentSet = nextSet;
-        } else
-            currentSet = currentSet->next;
-    }
-
-    atk_attribute_set_free(attributeSet2);
-    atk_attribute_set_free(toDelete);
-    return attributeSet1;
-}
-
-static guint accessibilityObjectLength(const AccessibilityObject* object)
-{
-    // Non render objects are not taken into account
-    if (!object->isAccessibilityRenderObject())
-        return 0;
-
-    // For those objects implementing the AtkText interface we use the
-    // well known API to always get the text in a consistent way
-    AtkObject* atkObj = ATK_OBJECT(object->wrapper());
-    if (ATK_IS_TEXT(atkObj)) {
-        GOwnPtr<gchar> text(webkitAccessibleTextGetText(ATK_TEXT(atkObj), 0, -1));
-        return g_utf8_strlen(text.get(), -1);
-    }
-
-    // Even if we don't expose list markers to Assistive
-    // Technologies, we need to have a way to measure their length
-    // for those cases when it's needed to take it into account
-    // separately (as in getAccessibilityObjectForOffset)
-    RenderObject* renderer = object->renderer();
-    if (renderer && renderer->isListMarker()) {
-        RenderListMarker* marker = toRenderListMarker(renderer);
-        return marker->text().length() + marker->suffix().length();
-    }
-
-    return 0;
-}
-
-static const AccessibilityObject* getAccessibilityObjectForOffset(const AccessibilityObject* object, guint offset, gint* startOffset, gint* endOffset)
-{
-    const AccessibilityObject* result;
-    guint length = accessibilityObjectLength(object);
-    if (length > offset) {
-        *startOffset = 0;
-        *endOffset = length;
-        result = object;
-    } else {
-        *startOffset = -1;
-        *endOffset = -1;
-        result = 0;
-    }
-
-    if (!object->firstChild())
-        return result;
-
-    AccessibilityObject* child = object->firstChild();
-    guint currentOffset = 0;
-    guint childPosition = 0;
-    while (child && currentOffset <= offset) {
-        guint childLength = accessibilityObjectLength(child);
-        currentOffset = childLength + childPosition;
-        if (currentOffset > offset) {
-            gint childStartOffset;
-            gint childEndOffset;
-            const AccessibilityObject* grandChild = getAccessibilityObjectForOffset(child, offset-childPosition,  &childStartOffset, &childEndOffset);
-            if (childStartOffset >= 0) {
-                *startOffset = childStartOffset + childPosition;
-                *endOffset = childEndOffset + childPosition;
-                result = grandChild;
-            }
-        } else {
-            childPosition += childLength;
-            child = child->nextSibling();
-        }
-    }
-    return result;
-}
-
-static AtkAttributeSet* getRunAttributesFromAccesibilityObject(const AccessibilityObject* element, gint offset, gint* startOffset, gint* endOffset)
-{
-    const AccessibilityObject* child = getAccessibilityObjectForOffset(element, offset, startOffset, endOffset);
-    if (!child) {
-        *startOffset = -1;
-        *endOffset = -1;
-        return 0;
-    }
-
-    AtkAttributeSet* defaultAttributes = getAttributeSetForAccessibilityObject(element);
-    AtkAttributeSet* childAttributes = getAttributeSetForAccessibilityObject(child);
-
-    return attributeSetDifference(childAttributes, defaultAttributes);
-}
-
-static IntRect textExtents(AtkText* text, gint startOffset, gint length, AtkCoordType coords)
-{
-    gchar* textContent = webkitAccessibleTextGetText(text, startOffset, -1);
-    gint textLength = g_utf8_strlen(textContent, -1);
-
-    // The first case (endOffset of -1) should work, but seems broken for all Gtk+ apps.
-    gint rangeLength = length;
-    if (rangeLength < 0 || rangeLength > textLength)
-        rangeLength = textLength;
-    AccessibilityObject* coreObject = core(text);
-
-    IntRect extents = coreObject->doAXBoundsForRange(PlainTextRange(startOffset, rangeLength));
-    switch (coords) {
-    case ATK_XY_SCREEN:
-        if (Document* document = coreObject->document())
-            extents = document->view()->contentsToScreen(extents);
-        break;
-    case ATK_XY_WINDOW:
-        // No-op
-        break;
-    }
-
-    return extents;
-}
-
-static void getSelectionOffsetsForObject(AccessibilityObject* coreObject, VisibleSelection& selection, gint& startOffset, gint& endOffset)
-{
-    if (!coreObject->isAccessibilityRenderObject())
-        return;
-
-    // Early return if the selection doesn't affect the selected node.
-    if (!selectionBelongsToObject(coreObject, selection))
-        return;
-
-    // We need to find the exact start and end positions in the
-    // selected node that intersects the selection, to later on get
-    // the right values for the effective start and end offsets.
-    Position nodeRangeStart;
-    Position nodeRangeEnd;
-    Node* node = coreObject->node();
-    RefPtr<Range> selRange = selection.toNormalizedRange();
-
-    // If the selection affects the selected node and its first
-    // possible position is also in the selection, we must set
-    // nodeRangeStart to that position, otherwise to the selection's
-    // start position (it would belong to the node anyway).
-    Node* firstLeafNode = node->firstDescendant();
-    if (selRange->isPointInRange(firstLeafNode, 0, IGNORE_EXCEPTION))
-        nodeRangeStart = firstPositionInOrBeforeNode(firstLeafNode);
-    else
-        nodeRangeStart = selRange->startPosition();
-
-    // If the selection affects the selected node and its last
-    // possible position is also in the selection, we must set
-    // nodeRangeEnd to that position, otherwise to the selection's
-    // end position (it would belong to the node anyway).
-    Node* lastLeafNode = node->lastDescendant();
-    if (selRange->isPointInRange(lastLeafNode, lastOffsetInNode(lastLeafNode), IGNORE_EXCEPTION))
-        nodeRangeEnd = lastPositionInOrAfterNode(lastLeafNode);
-    else
-        nodeRangeEnd = selRange->endPosition();
-
-    // Calculate position of the selected range inside the object.
-    Position parentFirstPosition = firstPositionInOrBeforeNode(node);
-    RefPtr<Range> rangeInParent = Range::create(node->document(), parentFirstPosition, nodeRangeStart);
-
-    // Set values for start and end offsets.
-    startOffset = TextIterator::rangeLength(rangeInParent.get(), true);
-
-    // We need to adjust the offsets for the list item marker.
-    RenderObject* renderer = coreObject->renderer();
-    if (renderer && renderer->isListItem()) {
-        String markerText = toRenderListItem(renderer)->markerTextWithSuffix();
-        startOffset += markerText.length();
-    }
-
-    RefPtr<Range> nodeRange = Range::create(node->document(), nodeRangeStart, nodeRangeEnd);
-    endOffset = startOffset + TextIterator::rangeLength(nodeRange.get(), true);
-}
-
-static gchar* webkitAccessibleTextGetText(AtkText* text, gint startOffset, gint endOffset)
-{
-    AccessibilityObject* coreObject = core(text);
-
-    int end = endOffset;
-    if (endOffset == -1) {
-        end = coreObject->stringValue().length();
-        if (!end)
-            end = coreObject->textUnderElement().length();
-    }
-
-    String ret;
-    if (coreObject->isTextControl())
-        ret = coreObject->doAXStringForRange(PlainTextRange(0, endOffset));
-    else {
-        ret = coreObject->stringValue();
-        if (!ret)
-            ret = coreObject->textUnderElement();
-    }
-
-    if (!ret.length()) {
-        // This can happen at least with anonymous RenderBlocks (e.g. body text amongst paragraphs)
-        // In such instances, there may also be embedded objects. The object replacement character
-        // is something ATs want included and we have to account for the fact that it is multibyte.
-        ret = String::fromUTF8(textForObject(coreObject));
-        if (!end)
-            end = ret.length();
-    }
-
-    // Prefix a item number/bullet if needed
-    if (coreObject->roleValue() == ListItemRole) {
-        RenderObject* objRenderer = coreObject->renderer();
-        if (objRenderer && objRenderer->isListItem()) {
-            String markerText = toRenderListItem(objRenderer)->markerTextWithSuffix();
-            ret = objRenderer->style()->direction() == LTR ? markerText + ret : ret + markerText;
-            if (endOffset == -1)
-                end += markerText.length();
-        }
-    }
-
-    ret = ret.substring(startOffset, end - startOffset);
-    return g_strdup(ret.utf8().data());
-}
-
-static gchar* webkitAccessibleTextGetTextAfterOffset(AtkText* text, gint offset, AtkTextBoundary boundaryType, gint* startOffset, gint* endOffset)
-{
-#if PLATFORM(GTK)
-    return gail_text_util_get_text(getGailTextUtilForAtk(text), getPangoLayoutForAtk(text), GAIL_AFTER_OFFSET, boundaryType, offset, startOffset, endOffset);
-#else
-    UNUSED_PARAM(text);
-    UNUSED_PARAM(offset);
-    UNUSED_PARAM(boundaryType);
-    UNUSED_PARAM(startOffset);
-    UNUSED_PARAM(endOffset);
-
-    notImplemented();
-    return 0;
-#endif
-}
-
-static gchar* webkitAccessibleTextGetTextAtOffset(AtkText* text, gint offset, AtkTextBoundary boundaryType, gint* startOffset, gint* endOffset)
-{
-#if PLATFORM(GTK)
-    return gail_text_util_get_text(getGailTextUtilForAtk(text), getPangoLayoutForAtk(text), GAIL_AT_OFFSET, boundaryType, offset, startOffset, endOffset);
-#else
-    UNUSED_PARAM(text);
-    UNUSED_PARAM(offset);
-    UNUSED_PARAM(boundaryType);
-    UNUSED_PARAM(startOffset);
-    UNUSED_PARAM(endOffset);
-
-    notImplemented();
-    return 0;
-#endif
-}
-
-static gchar* webkitAccessibleTextGetTextBeforeOffset(AtkText* text, gint offset, AtkTextBoundary boundaryType, gint* startOffset, gint* endOffset)
-{
-#if PLATFORM(GTK)
-    return gail_text_util_get_text(getGailTextUtilForAtk(text), getPangoLayoutForAtk(text), GAIL_BEFORE_OFFSET, boundaryType, offset, startOffset, endOffset);
-#else
-    UNUSED_PARAM(text);
-    UNUSED_PARAM(offset);
-    UNUSED_PARAM(boundaryType);
-    UNUSED_PARAM(startOffset);
-    UNUSED_PARAM(endOffset);
-
-    notImplemented();
-    return 0;
-#endif
-}
-
-static gunichar webkitAccessibleTextGetCharacterAtOffset(AtkText*, gint)
-{
-    notImplemented();
-    return 0;
-}
-
-static gint webkitAccessibleTextGetCaretOffset(AtkText* text)
-{
-    // coreObject is the unignored object whose offset the caller is requesting.
-    // focusedObject is the object with the caret. It is likely ignored -- unless it's a link.
-    AccessibilityObject* coreObject = core(text);
-    if (!coreObject->isAccessibilityRenderObject())
-        return 0;
-
-    // We need to make sure we pass a valid object as reference.
-    if (coreObject->accessibilityIsIgnored())
-        coreObject = coreObject->parentObjectUnignored();
-    if (!coreObject)
-        return 0;
-
-    int offset;
-    if (!objectFocusedAndCaretOffsetUnignored(coreObject, offset))
-        return 0;
-
-    RenderObject* renderer = coreObject->renderer();
-    if (renderer && renderer->isListItem()) {
-        String markerText = toRenderListItem(renderer)->markerTextWithSuffix();
-
-        // We need to adjust the offset for the list item marker.
-        offset += markerText.length();
-    }
-
-    // TODO: Verify this for RTL text.
-    return offset;
-}
-
-static AtkAttributeSet* webkitAccessibleTextGetRunAttributes(AtkText* text, gint offset, gint* startOffset, gint* endOffset)
-{
-    AccessibilityObject* coreObject = core(text);
-    AtkAttributeSet* result;
-
-    if (!coreObject) {
-        *startOffset = 0;
-        *endOffset = atk_text_get_character_count(text);
-        return 0;
-    }
-
-    if (offset == -1)
-        offset = atk_text_get_caret_offset(text);
-
-    result = getRunAttributesFromAccesibilityObject(coreObject, offset, startOffset, endOffset);
-
-    if (*startOffset < 0) {
-        *startOffset = offset;
-        *endOffset = offset;
-    }
-
-    return result;
-}
-
-static AtkAttributeSet* webkitAccessibleTextGetDefaultAttributes(AtkText* text)
-{
-    AccessibilityObject* coreObject = core(text);
-    if (!coreObject || !coreObject->isAccessibilityRenderObject())
-        return 0;
-
-    return getAttributeSetForAccessibilityObject(coreObject);
-}
-
-static void webkitAccessibleTextGetCharacterExtents(AtkText* text, gint offset, gint* x, gint* y, gint* width, gint* height, AtkCoordType coords)
-{
-    IntRect extents = textExtents(text, offset, 1, coords);
-    *x = extents.x();
-    *y = extents.y();
-    *width = extents.width();
-    *height = extents.height();
-}
-
-static void webkitAccessibleTextGetRangeExtents(AtkText* text, gint startOffset, gint endOffset, AtkCoordType coords, AtkTextRectangle* rect)
-{
-    IntRect extents = textExtents(text, startOffset, endOffset - startOffset, coords);
-    rect->x = extents.x();
-    rect->y = extents.y();
-    rect->width = extents.width();
-    rect->height = extents.height();
-}
-
-static gint webkitAccessibleTextGetCharacterCount(AtkText* text)
-{
-    return accessibilityObjectLength(core(text));
-}
-
-static gint webkitAccessibleTextGetOffsetAtPoint(AtkText* text, gint x, gint y, AtkCoordType)
-{
-    // 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 webkitAccessibleTextGetNSelections(AtkText* text)
-{
-    AccessibilityObject* coreObject = core(text);
-    VisibleSelection selection = coreObject->selection();
-
-    // Only range selections are needed for the purpose of this method
-    if (!selection.isRange())
-        return 0;
-
-    // We don't support multiple selections for now, so there's only
-    // two possibilities
-    // Also, we don't want to do anything if the selection does not
-    // belong to the currently selected object. We have to check since
-    // there's no way to get the selection for a given object, only
-    // the global one (the API is a bit confusing)
-    return selectionBelongsToObject(coreObject, selection) ? 1 : 0;
-}
-
-static gchar* webkitAccessibleTextGetSelection(AtkText* text, gint selectionNum, gint* startOffset, gint* endOffset)
-{
-    // Default values, unless the contrary is proved
-    *startOffset = *endOffset = 0;
-
-    // WebCore does not support multiple selection, so anything but 0 does not make sense for now.
-    if (selectionNum)
-        return 0;
-
-    // Get the offsets of the selection for the selected object
-    AccessibilityObject* coreObject = core(text);
-    VisibleSelection selection = coreObject->selection();
-    getSelectionOffsetsForObject(coreObject, selection, *startOffset, *endOffset);
-
-    // Return 0 instead of "", as that's the expected result for
-    // this AtkText method when there's no selection
-    if (*startOffset == *endOffset)
-        return 0;
-
-    return webkitAccessibleTextGetText(text, *startOffset, *endOffset);
-}
-
-static gboolean webkitAccessibleTextAddSelection(AtkText*, gint, gint)
-{
-    notImplemented();
-    return FALSE;
-}
-
-static gboolean webkitAccessibleTextSetSelection(AtkText* text, gint selectionNum, gint startOffset, gint endOffset)
-{
-    // WebCore does not support multiple selection, so anything but 0 does not make sense for now.
-    if (selectionNum)
-        return FALSE;
-
-    AccessibilityObject* coreObject = core(text);
-    if (!coreObject->isAccessibilityRenderObject())
-        return FALSE;
-
-    // Consider -1 and out-of-bound values and correct them to length
-    gint textCount = webkitAccessibleTextGetCharacterCount(text);
-    if (startOffset < 0 || startOffset > textCount)
-        startOffset = textCount;
-    if (endOffset < 0 || endOffset > textCount)
-        endOffset = textCount;
-
-    // We need to adjust the offsets for the list item marker.
-    RenderObject* renderer = coreObject->renderer();
-    if (renderer && renderer->isListItem()) {
-        String markerText = toRenderListItem(renderer)->markerTextWithSuffix();
-        int markerLength = markerText.length();
-        if (startOffset < markerLength || endOffset < markerLength)
-            return FALSE;
-
-        startOffset -= markerLength;
-        endOffset -= markerLength;
-    }
-
-    PlainTextRange textRange(startOffset, endOffset - startOffset);
-    VisiblePositionRange range = coreObject->visiblePositionRangeForRange(textRange);
-    if (range.isNull())
-        return FALSE;
-
-    coreObject->setSelectedVisiblePositionRange(range);
-    return TRUE;
-}
-
-static gboolean webkitAccessibleTextRemoveSelection(AtkText* text, gint selectionNum)
-{
-    // WebCore does not support multiple selection, so anything but 0 does not make sense for now.
-    if (selectionNum)
-        return FALSE;
-
-    // Do nothing if current selection doesn't belong to the object
-    if (!webkitAccessibleTextGetNSelections(text))
-        return FALSE;
-
-    // Set a new 0-sized selection to the caret position, in order
-    // to simulate selection removal (GAIL style)
-    gint caretOffset = webkitAccessibleTextGetCaretOffset(text);
-    return webkitAccessibleTextSetSelection(text, selectionNum, caretOffset, caretOffset);
-}
-
-static gboolean webkitAccessibleTextSetCaretOffset(AtkText* text, gint offset)
-{
-    AccessibilityObject* coreObject = core(text);
-
-    if (!coreObject->isAccessibilityRenderObject())
-        return FALSE;
-
-    RenderObject* renderer = coreObject->renderer();
-    if (renderer && renderer->isListItem()) {
-        String markerText = toRenderListItem(renderer)->markerTextWithSuffix();
-        int markerLength = markerText.length();
-        if (offset < markerLength)
-            return FALSE;
-
-        // We need to adjust the offset for list items.
-        offset -= markerLength;
-    }
-
-    PlainTextRange textRange(offset, 0);
-    VisiblePositionRange range = coreObject->visiblePositionRangeForRange(textRange);
-    if (range.isNull())
-        return FALSE;
-
-    coreObject->setSelectedVisiblePositionRange(range);
-    return TRUE;
-}
-
-void webkitAccessibleTextInterfaceInit(AtkTextIface* iface)
-{
-    iface->get_text = webkitAccessibleTextGetText;
-    iface->get_text_after_offset = webkitAccessibleTextGetTextAfterOffset;
-    iface->get_text_at_offset = webkitAccessibleTextGetTextAtOffset;
-    iface->get_text_before_offset = webkitAccessibleTextGetTextBeforeOffset;
-    iface->get_character_at_offset = webkitAccessibleTextGetCharacterAtOffset;
-    iface->get_caret_offset = webkitAccessibleTextGetCaretOffset;
-    iface->get_run_attributes = webkitAccessibleTextGetRunAttributes;
-    iface->get_default_attributes = webkitAccessibleTextGetDefaultAttributes;
-    iface->get_character_extents = webkitAccessibleTextGetCharacterExtents;
-    iface->get_range_extents = webkitAccessibleTextGetRangeExtents;
-    iface->get_character_count = webkitAccessibleTextGetCharacterCount;
-    iface->get_offset_at_point = webkitAccessibleTextGetOffsetAtPoint;
-    iface->get_n_selections = webkitAccessibleTextGetNSelections;
-    iface->get_selection = webkitAccessibleTextGetSelection;
-    iface->add_selection = webkitAccessibleTextAddSelection;
-    iface->remove_selection = webkitAccessibleTextRemoveSelection;
-    iface->set_selection = webkitAccessibleTextSetSelection;
-    iface->set_caret_offset = webkitAccessibleTextSetCaretOffset;
-}
-
-#endif