--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/accessibility/AccessibilitySlider.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2009 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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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.
+ */
+
+#ifndef AccessibilitySlider_h
+#define AccessibilitySlider_h
+
+#include "AccessibilityRenderObject.h"
+
+namespace WebCore {
+
+class HTMLInputElement;
+
+class AccessibilitySlider : public AccessibilityRenderObject {
+    
+public:
+    static PassRefPtr<AccessibilitySlider> create(RenderObject*);
+    virtual ~AccessibilitySlider() { }
+
+    virtual AccessibilityRole roleValue() const { return SliderRole; }
+
+    virtual bool isSlider() const { return true; }
+
+    virtual const AccessibilityChildrenVector& children();
+    virtual void addChildren();
+
+    virtual bool canSetValueAttribute() const { return true; }
+    const AtomicString& getAttribute(const QualifiedName& attribute) const;
+
+    virtual void setValue(const String&);
+    virtual float valueForRange() const;
+    virtual float maxValueForRange() const;
+    virtual float minValueForRange() const;
+    virtual AccessibilityOrientation orientation() const;
+
+protected:
+    AccessibilitySlider(RenderObject*);
+
+private:
+    HTMLInputElement* element() const;
+    virtual bool accessibilityIsIgnored() const;
+};
+
+class AccessibilitySliderThumb : public AccessibilityObject {
+    
+public:
+    static PassRefPtr<AccessibilitySliderThumb> create();
+    virtual ~AccessibilitySliderThumb() { }
+
+    virtual AccessibilityRole roleValue() const { return SliderThumbRole; }
+
+    void setParentObject(AccessibilitySlider* slider) { m_parentSlider = slider; }
+    virtual AccessibilityObject* parentObject() const { return m_parentSlider; }
+
+    virtual IntSize size() const;
+    virtual IntRect elementRect() const;
+
+private:
+    AccessibilitySliderThumb();
+    virtual bool accessibilityIsIgnored() const { return false; }
+
+    AccessibilitySlider* m_parentSlider;
+};
+
+
+} // namespace WebCore
+
+#endif // AccessibilitySlider_h