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      1 /*
      2  * Copyright (C) 2009 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef AXSlider_h
     30 #define AXSlider_h
     31 
     32 #include "core/accessibility/AXMockObject.h"
     33 #include "core/accessibility/AXRenderObject.h"
     34 
     35 namespace WebCore {
     36 
     37 class HTMLInputElement;
     38 
     39 class AXSlider : public AXRenderObject {
     40 
     41 public:
     42     static PassRefPtr<AXSlider> create(RenderObject*);
     43     virtual ~AXSlider() { }
     44 
     45 protected:
     46     explicit AXSlider(RenderObject*);
     47 
     48 private:
     49     HTMLInputElement* element() const;
     50     virtual AXObject* elementAccessibilityHitTest(const IntPoint&) const OVERRIDE FINAL;
     51 
     52     virtual AccessibilityRole roleValue() const OVERRIDE { return SliderRole; }
     53     virtual bool isSlider() const OVERRIDE FINAL { return true; }
     54     virtual bool isControl() const OVERRIDE FINAL { return true; }
     55 
     56     virtual void addChildren() OVERRIDE FINAL;
     57 
     58     virtual bool canSetValueAttribute() const OVERRIDE FINAL { return true; }
     59     const AtomicString& getAttribute(const QualifiedName& attribute) const;
     60 
     61     virtual void setValue(const String&) OVERRIDE FINAL;
     62     virtual AccessibilityOrientation orientation() const OVERRIDE FINAL;
     63 };
     64 
     65 class AXSliderThumb FINAL : public AXMockObject {
     66 
     67 public:
     68     static PassRefPtr<AXSliderThumb> create();
     69     virtual ~AXSliderThumb() { }
     70 
     71     virtual AccessibilityRole roleValue() const OVERRIDE { return SliderThumbRole; }
     72 
     73     virtual LayoutRect elementRect() const OVERRIDE;
     74 
     75 private:
     76     AXSliderThumb();
     77 
     78     virtual bool computeAccessibilityIsIgnored() const OVERRIDE;
     79 };
     80 
     81 
     82 } // namespace WebCore
     83 
     84 #endif // AXSlider_h
     85