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      1 /*
      2  * Copyright (C) 2011 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  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef AccessibilitySpinButton_h
     27 #define AccessibilitySpinButton_h
     28 
     29 #include "core/accessibility/AccessibilityMockObject.h"
     30 
     31 #include "core/html/shadow/SpinButtonElement.h"
     32 
     33 namespace WebCore {
     34 
     35 class AccessibilitySpinButton : public AccessibilityMockObject {
     36 public:
     37     static PassRefPtr<AccessibilitySpinButton> create();
     38     virtual ~AccessibilitySpinButton();
     39 
     40     void setSpinButtonElement(SpinButtonElement* spinButton) { m_spinButtonElement = spinButton; }
     41     void step(int amount);
     42 
     43 private:
     44     AccessibilitySpinButton();
     45 
     46     virtual AccessibilityRole roleValue() const OVERRIDE { return SpinButtonRole; }
     47     virtual bool isSpinButton() const OVERRIDE { return true; }
     48     virtual bool isNativeSpinButton() const OVERRIDE { return true; }
     49     virtual void addChildren() OVERRIDE;
     50     virtual LayoutRect elementRect() const OVERRIDE;
     51 
     52     SpinButtonElement* m_spinButtonElement;
     53 };
     54 
     55 class AccessibilitySpinButtonPart : public AccessibilityMockObject {
     56 public:
     57     static PassRefPtr<AccessibilitySpinButtonPart> create();
     58     virtual ~AccessibilitySpinButtonPart() { }
     59 
     60     bool isIncrementor() const { return m_isIncrementor; }
     61     void setIsIncrementor(bool value) { m_isIncrementor = value; }
     62 
     63 private:
     64     AccessibilitySpinButtonPart();
     65     bool m_isIncrementor : 1;
     66 
     67     virtual bool press() const OVERRIDE;
     68     virtual AccessibilityRole roleValue() const OVERRIDE { return ButtonRole; }
     69     virtual bool isSpinButtonPart() const OVERRIDE { return true; }
     70     virtual LayoutRect elementRect() const OVERRIDE;
     71 };
     72 
     73 inline AccessibilitySpinButton* toAccessibilitySpinButton(AccessibilityObject* object)
     74 {
     75     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isNativeSpinButton());
     76     return static_cast<AccessibilitySpinButton*>(object);
     77 }
     78 
     79 inline AccessibilitySpinButtonPart* toAccessibilitySpinButtonPart(AccessibilityObject* object)
     80 {
     81     ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isSpinButtonPart());
     82     return static_cast<AccessibilitySpinButtonPart*>(object);
     83 }
     84 
     85 } // namespace WebCore
     86 
     87 #endif // AccessibilitySpinButton_h
     88