--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/editing/mac/SelectionControllerMac.mm	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2007 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+ 
+#import "config.h"
+#import "SelectionController.h"
+
+#import "AXObjectCache.h"
+#import "Frame.h"
+#import "RenderView.h"
+#import "WebCoreViewFactory.h"
+
+namespace WebCore {
+
+void SelectionController::notifyAccessibilityForSelectionChange()
+{
+    Document* document = m_frame->document();
+
+    if (AXObjectCache::accessibilityEnabled() && m_selection.start().isNotNull() && m_selection.end().isNotNull())
+        document->axObjectCache()->postNotification(m_selection.start().node()->renderer(), AXObjectCache::AXSelectedTextChanged, false);
+
+    // if zoom feature is enabled, insertion point changes should update the zoom
+    if (!UAZoomEnabled() || !m_selection.isCaret())
+        return;
+
+    RenderView* renderView = document->renderView();
+    if (!renderView)
+        return;
+    FrameView* frameView = m_frame->view();
+    if (!frameView)
+        return;
+
+    IntRect selectionRect = absoluteCaretBounds();
+    IntRect viewRect = renderView->viewRect();
+
+    selectionRect = frameView->contentsToScreen(selectionRect);
+    viewRect = frameView->contentsToScreen(viewRect);
+    CGRect cgCaretRect = CGRectMake(selectionRect.x(), selectionRect.y(), selectionRect.width(), selectionRect.height());
+    CGRect cgViewRect = CGRectMake(viewRect.x(), viewRect.y(), viewRect.width(), viewRect.height());
+    cgCaretRect = [[WebCoreViewFactory sharedFactory] accessibilityConvertScreenRect:cgCaretRect];
+    cgViewRect = [[WebCoreViewFactory sharedFactory] accessibilityConvertScreenRect:cgViewRect];
+
+    UAZoomChangeFocus(&cgViewRect, &cgCaretRect, kUAZoomFocusTypeInsertionPoint);
+}
+
+} // namespace WebCore