1 files changed, 532 insertions, 0 deletions
diff --git a/Source/WebKit2/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMDOMSelection.cpp b/Source/WebKit2/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMDOMSelection.cpp
new file mode 100644
index 000000000..9fc903a82
--- /dev/null
+++ b/Source/WebKit2/WebProcess/InjectedBundle/API/gtk/DOM/WebKitDOMDOMSelection.cpp
@@ -0,0 +1,532 @@
+/*
+ *  This file is part of the WebKit open source project.
+ *
+ *  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 "WebKitDOMDOMSelection.h"
+
+#include <WebCore/CSSImportRule.h>
+#include "DOMObjectCache.h"
+#include <WebCore/Document.h>
+#include <WebCore/ExceptionCode.h>
+#include <WebCore/ExceptionCodeDescription.h>
+#include <WebCore/JSMainThreadExecState.h>
+#include "WebKitDOMDOMSelectionPrivate.h"
+#include "WebKitDOMNodePrivate.h"
+#include "WebKitDOMPrivate.h"
+#include "WebKitDOMRangePrivate.h"
+#include "ConvertToUTF8String.h"
+#include <wtf/GetPtr.h>
+#include <wtf/RefPtr.h>
+
+#define WEBKIT_DOM_DOM_SELECTION_GET_PRIVATE(obj) G_TYPE_INSTANCE_GET_PRIVATE(obj, WEBKIT_DOM_TYPE_DOM_SELECTION, WebKitDOMDOMSelectionPrivate)
+
+typedef struct _WebKitDOMDOMSelectionPrivate {
+    RefPtr<WebCore::DOMSelection> coreObject;
+} WebKitDOMDOMSelectionPrivate;
+
+namespace WebKit {
+
+WebKitDOMDOMSelection* kit(WebCore::DOMSelection* obj)
+{
+    if (!obj)
+        return 0;
+
+    if (gpointer ret = DOMObjectCache::get(obj))
+        return WEBKIT_DOM_DOM_SELECTION(ret);
+
+    return wrapDOMSelection(obj);
+}
+
+WebCore::DOMSelection* core(WebKitDOMDOMSelection* request)
+{
+    return request ? static_cast<WebCore::DOMSelection*>(WEBKIT_DOM_OBJECT(request)->coreObject) : 0;
+}
+
+WebKitDOMDOMSelection* wrapDOMSelection(WebCore::DOMSelection* coreObject)
+{
+    ASSERT(coreObject);
+    return WEBKIT_DOM_DOM_SELECTION(g_object_new(WEBKIT_DOM_TYPE_DOM_SELECTION, "core-object", coreObject, nullptr));
+}
+
+} // namespace WebKit
+
+G_DEFINE_TYPE(WebKitDOMDOMSelection, webkit_dom_dom_selection, WEBKIT_DOM_TYPE_OBJECT)
+
+enum {
+    PROP_0,
+    PROP_ANCHOR_NODE,
+    PROP_ANCHOR_OFFSET,
+    PROP_FOCUS_NODE,
+    PROP_FOCUS_OFFSET,
+    PROP_IS_COLLAPSED,
+    PROP_RANGE_COUNT,
+    PROP_TYPE,
+    PROP_BASE_NODE,
+    PROP_BASE_OFFSET,
+    PROP_EXTENT_NODE,
+    PROP_EXTENT_OFFSET,
+};
+
+static void webkit_dom_dom_selection_finalize(GObject* object)
+{
+    WebKitDOMDOMSelectionPrivate* priv = WEBKIT_DOM_DOM_SELECTION_GET_PRIVATE(object);
+
+    WebKit::DOMObjectCache::forget(priv->coreObject.get());
+
+    priv->~WebKitDOMDOMSelectionPrivate();
+    G_OBJECT_CLASS(webkit_dom_dom_selection_parent_class)->finalize(object);
+}
+
+static void webkit_dom_dom_selection_get_property(GObject* object, guint propertyId, GValue* value, GParamSpec* pspec)
+{
+    WebKitDOMDOMSelection* self = WEBKIT_DOM_DOM_SELECTION(object);
+
+    switch (propertyId) {
+    case PROP_ANCHOR_NODE:
+        g_value_set_object(value, webkit_dom_dom_selection_get_anchor_node(self));
+        break;
+    case PROP_ANCHOR_OFFSET:
+        g_value_set_ulong(value, webkit_dom_dom_selection_get_anchor_offset(self));
+        break;
+    case PROP_FOCUS_NODE:
+        g_value_set_object(value, webkit_dom_dom_selection_get_focus_node(self));
+        break;
+    case PROP_FOCUS_OFFSET:
+        g_value_set_ulong(value, webkit_dom_dom_selection_get_focus_offset(self));
+        break;
+    case PROP_IS_COLLAPSED:
+        g_value_set_boolean(value, webkit_dom_dom_selection_get_is_collapsed(self));
+        break;
+    case PROP_RANGE_COUNT:
+        g_value_set_ulong(value, webkit_dom_dom_selection_get_range_count(self));
+        break;
+    case PROP_TYPE:
+        g_value_take_string(value, webkit_dom_dom_selection_get_selection_type(self));
+        break;
+    case PROP_BASE_NODE:
+        g_value_set_object(value, webkit_dom_dom_selection_get_base_node(self));
+        break;
+    case PROP_BASE_OFFSET:
+        g_value_set_ulong(value, webkit_dom_dom_selection_get_base_offset(self));
+        break;
+    case PROP_EXTENT_NODE:
+        g_value_set_object(value, webkit_dom_dom_selection_get_extent_node(self));
+        break;
+    case PROP_EXTENT_OFFSET:
+        g_value_set_ulong(value, webkit_dom_dom_selection_get_extent_offset(self));
+        break;
+    default:
+        G_OBJECT_WARN_INVALID_PROPERTY_ID(object, propertyId, pspec);
+        break;
+    }
+}
+
+static GObject* webkit_dom_dom_selection_constructor(GType type, guint constructPropertiesCount, GObjectConstructParam* constructProperties)
+{
+    GObject* object = G_OBJECT_CLASS(webkit_dom_dom_selection_parent_class)->constructor(type, constructPropertiesCount, constructProperties);
+
+    WebKitDOMDOMSelectionPrivate* priv = WEBKIT_DOM_DOM_SELECTION_GET_PRIVATE(object);
+    priv->coreObject = static_cast<WebCore::DOMSelection*>(WEBKIT_DOM_OBJECT(object)->coreObject);
+    WebKit::DOMObjectCache::put(priv->coreObject.get(), object);
+
+    return object;
+}
+
+static void webkit_dom_dom_selection_class_init(WebKitDOMDOMSelectionClass* requestClass)
+{
+    GObjectClass* gobjectClass = G_OBJECT_CLASS(requestClass);
+    g_type_class_add_private(gobjectClass, sizeof(WebKitDOMDOMSelectionPrivate));
+    gobjectClass->constructor = webkit_dom_dom_selection_constructor;
+    gobjectClass->finalize = webkit_dom_dom_selection_finalize;
+    gobjectClass->get_property = webkit_dom_dom_selection_get_property;
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_ANCHOR_NODE,
+        g_param_spec_object(
+            "anchor-node",
+            "DOMSelection:anchor-node",
+            "read-only WebKitDOMNode* DOMSelection:anchor-node",
+            WEBKIT_DOM_TYPE_NODE,
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_ANCHOR_OFFSET,
+        g_param_spec_ulong(
+            "anchor-offset",
+            "DOMSelection:anchor-offset",
+            "read-only gulong DOMSelection:anchor-offset",
+            0, G_MAXULONG, 0,
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_FOCUS_NODE,
+        g_param_spec_object(
+            "focus-node",
+            "DOMSelection:focus-node",
+            "read-only WebKitDOMNode* DOMSelection:focus-node",
+            WEBKIT_DOM_TYPE_NODE,
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_FOCUS_OFFSET,
+        g_param_spec_ulong(
+            "focus-offset",
+            "DOMSelection:focus-offset",
+            "read-only gulong DOMSelection:focus-offset",
+            0, G_MAXULONG, 0,
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_IS_COLLAPSED,
+        g_param_spec_boolean(
+            "is-collapsed",
+            "DOMSelection:is-collapsed",
+            "read-only gboolean DOMSelection:is-collapsed",
+            FALSE,
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_RANGE_COUNT,
+        g_param_spec_ulong(
+            "range-count",
+            "DOMSelection:range-count",
+            "read-only gulong DOMSelection:range-count",
+            0, G_MAXULONG, 0,
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_TYPE,
+        g_param_spec_string(
+            "type",
+            "DOMSelection:type",
+            "read-only gchar* DOMSelection:type",
+            "",
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_BASE_NODE,
+        g_param_spec_object(
+            "base-node",
+            "DOMSelection:base-node",
+            "read-only WebKitDOMNode* DOMSelection:base-node",
+            WEBKIT_DOM_TYPE_NODE,
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_BASE_OFFSET,
+        g_param_spec_ulong(
+            "base-offset",
+            "DOMSelection:base-offset",
+            "read-only gulong DOMSelection:base-offset",
+            0, G_MAXULONG, 0,
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_EXTENT_NODE,
+        g_param_spec_object(
+            "extent-node",
+            "DOMSelection:extent-node",
+            "read-only WebKitDOMNode* DOMSelection:extent-node",
+            WEBKIT_DOM_TYPE_NODE,
+            WEBKIT_PARAM_READABLE));
+
+    g_object_class_install_property(
+        gobjectClass,
+        PROP_EXTENT_OFFSET,
+        g_param_spec_ulong(
+            "extent-offset",
+            "DOMSelection:extent-offset",
+            "read-only gulong DOMSelection:extent-offset",
+            0, G_MAXULONG, 0,
+            WEBKIT_PARAM_READABLE));
+
+}
+
+static void webkit_dom_dom_selection_init(WebKitDOMDOMSelection* request)
+{
+    WebKitDOMDOMSelectionPrivate* priv = WEBKIT_DOM_DOM_SELECTION_GET_PRIVATE(request);
+    new (priv) WebKitDOMDOMSelectionPrivate();
+}
+
+void webkit_dom_dom_selection_collapse(WebKitDOMDOMSelection* self, WebKitDOMNode* node, gulong offset)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    g_return_if_fail(WEBKIT_DOM_IS_NODE(node));
+    WebCore::DOMSelection* item = WebKit::core(self);
+    WebCore::Node* convertedNode = WebKit::core(node);
+    item->collapse(convertedNode, offset);
+}
+
+void webkit_dom_dom_selection_collapse_to_end(WebKitDOMDOMSelection* self, GError** error)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    g_return_if_fail(!error || !*error);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    auto result = item->collapseToEnd();
+    if (result.hasException()) {
+        WebCore::ExceptionCodeDescription ecdesc(result.releaseException().code());
+        g_set_error_literal(error, g_quark_from_string("WEBKIT_DOM"), ecdesc.code, ecdesc.name);
+    }
+}
+
+void webkit_dom_dom_selection_collapse_to_start(WebKitDOMDOMSelection* self, GError** error)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    g_return_if_fail(!error || !*error);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    auto result = item->collapseToStart();
+    if (result.hasException()) {
+        WebCore::ExceptionCodeDescription ecdesc(result.releaseException().code());
+        g_set_error_literal(error, g_quark_from_string("WEBKIT_DOM"), ecdesc.code, ecdesc.name);
+    }
+}
+
+void webkit_dom_dom_selection_delete_from_document(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    WebCore::DOMSelection* item = WebKit::core(self);
+    item->deleteFromDocument();
+}
+
+gboolean webkit_dom_dom_selection_contains_node(WebKitDOMDOMSelection* self, WebKitDOMNode* node, gboolean allowPartial)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), FALSE);
+    g_return_val_if_fail(WEBKIT_DOM_IS_NODE(node), FALSE);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    WebCore::Node* convertedNode = WebKit::core(node);
+    gboolean result = item->containsNode(*convertedNode, allowPartial);
+    return result;
+}
+
+void webkit_dom_dom_selection_select_all_children(WebKitDOMDOMSelection* self, WebKitDOMNode* node)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    g_return_if_fail(WEBKIT_DOM_IS_NODE(node));
+    WebCore::DOMSelection* item = WebKit::core(self);
+    WebCore::Node* convertedNode = WebKit::core(node);
+    item->selectAllChildren(*convertedNode);
+}
+
+void webkit_dom_dom_selection_extend(WebKitDOMDOMSelection* self, WebKitDOMNode* node, gulong offset, GError** error)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    g_return_if_fail(WEBKIT_DOM_IS_NODE(node));
+    g_return_if_fail(!error || !*error);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    WebCore::Node* convertedNode = WebKit::core(node);
+    auto result = item->extend(*convertedNode, offset);
+    if (result.hasException()) {
+        WebCore::ExceptionCodeDescription ecdesc(result.releaseException().code());
+        g_set_error_literal(error, g_quark_from_string("WEBKIT_DOM"), ecdesc.code, ecdesc.name);
+    }
+}
+
+WebKitDOMRange* webkit_dom_dom_selection_get_range_at(WebKitDOMDOMSelection* self, gulong index, GError** error)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    g_return_val_if_fail(!error || !*error, 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    auto result = item->getRangeAt(index);
+    if (result.hasException()) {
+        WebCore::ExceptionCodeDescription ecdesc(result.releaseException().code());
+        g_set_error_literal(error, g_quark_from_string("WEBKIT_DOM"), ecdesc.code, ecdesc.name);
+        return nullptr;
+    }
+    return WebKit::kit(result.releaseReturnValue().ptr());
+}
+
+void webkit_dom_dom_selection_remove_all_ranges(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    WebCore::DOMSelection* item = WebKit::core(self);
+    item->removeAllRanges();
+}
+
+void webkit_dom_dom_selection_add_range(WebKitDOMDOMSelection* self, WebKitDOMRange* range)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    g_return_if_fail(WEBKIT_DOM_IS_RANGE(range));
+    WebCore::DOMSelection* item = WebKit::core(self);
+    WebCore::Range* convertedRange = WebKit::core(range);
+    item->addRange(*convertedRange);
+}
+
+void webkit_dom_dom_selection_set_base_and_extent(WebKitDOMDOMSelection* self, WebKitDOMNode* baseNode, gulong baseOffset, WebKitDOMNode* extentNode, gulong extentOffset)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    g_return_if_fail(WEBKIT_DOM_IS_NODE(baseNode));
+    g_return_if_fail(WEBKIT_DOM_IS_NODE(extentNode));
+    WebCore::DOMSelection* item = WebKit::core(self);
+    WebCore::Node* convertedBaseNode = WebKit::core(baseNode);
+    WebCore::Node* convertedExtentNode = WebKit::core(extentNode);
+    item->setBaseAndExtent(convertedBaseNode, baseOffset, convertedExtentNode, extentOffset);
+}
+
+void webkit_dom_dom_selection_set_position(WebKitDOMDOMSelection* self, WebKitDOMNode* node, gulong offset)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    g_return_if_fail(WEBKIT_DOM_IS_NODE(node));
+    WebCore::DOMSelection* item = WebKit::core(self);
+    WebCore::Node* convertedNode = WebKit::core(node);
+    item->setPosition(convertedNode, offset);
+}
+
+void webkit_dom_dom_selection_empty(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    WebCore::DOMSelection* item = WebKit::core(self);
+    item->empty();
+}
+
+void webkit_dom_dom_selection_modify(WebKitDOMDOMSelection* self, const gchar* alter, const gchar* direction, const gchar* granularity)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self));
+    g_return_if_fail(alter);
+    g_return_if_fail(direction);
+    g_return_if_fail(granularity);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    WTF::String convertedAlter = WTF::String::fromUTF8(alter);
+    WTF::String convertedDirection = WTF::String::fromUTF8(direction);
+    WTF::String convertedGranularity = WTF::String::fromUTF8(granularity);
+    item->modify(convertedAlter, convertedDirection, convertedGranularity);
+}
+
+WebKitDOMNode* webkit_dom_dom_selection_get_anchor_node(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    RefPtr<WebCore::Node> gobjectResult = WTF::getPtr(item->anchorNode());
+    return WebKit::kit(gobjectResult.get());
+}
+
+gulong webkit_dom_dom_selection_get_anchor_offset(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    gulong result = item->anchorOffset();
+    return result;
+}
+
+WebKitDOMNode* webkit_dom_dom_selection_get_focus_node(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    RefPtr<WebCore::Node> gobjectResult = WTF::getPtr(item->focusNode());
+    return WebKit::kit(gobjectResult.get());
+}
+
+gulong webkit_dom_dom_selection_get_focus_offset(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    gulong result = item->focusOffset();
+    return result;
+}
+
+gboolean webkit_dom_dom_selection_get_is_collapsed(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), FALSE);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    gboolean result = item->isCollapsed();
+    return result;
+}
+
+gulong webkit_dom_dom_selection_get_range_count(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    gulong result = item->rangeCount();
+    return result;
+}
+
+gchar* webkit_dom_dom_selection_get_selection_type(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    gchar* result = convertToUTF8String(item->type());
+    return result;
+}
+
+WebKitDOMNode* webkit_dom_dom_selection_get_base_node(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    RefPtr<WebCore::Node> gobjectResult = WTF::getPtr(item->baseNode());
+    return WebKit::kit(gobjectResult.get());
+}
+
+gulong webkit_dom_dom_selection_get_base_offset(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    gulong result = item->baseOffset();
+    return result;
+}
+
+WebKitDOMNode* webkit_dom_dom_selection_get_extent_node(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    RefPtr<WebCore::Node> gobjectResult = WTF::getPtr(item->extentNode());
+    return WebKit::kit(gobjectResult.get());
+}
+
+gulong webkit_dom_dom_selection_get_extent_offset(WebKitDOMDOMSelection* self)
+{
+    WebCore::JSMainThreadNullState state;
+    g_return_val_if_fail(WEBKIT_DOM_IS_DOM_SELECTION(self), 0);
+    WebCore::DOMSelection* item = WebKit::core(self);
+    gulong result = item->extentOffset();
+    return result;
+}
+