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#include "config.h" 27#include "core/accessibility/AXSpinButton.h" 28 29#include "core/accessibility/AXObjectCache.h" 30#include "core/rendering/RenderObject.h" 31 32namespace blink { 33 34PassRefPtr<AXSpinButton> AXSpinButton::create() 35{ 36 return adoptRef(new AXSpinButton); 37} 38 39AXSpinButton::AXSpinButton() 40 : m_spinButtonElement(0) 41{ 42} 43 44AXSpinButton::~AXSpinButton() 45{ 46} 47 48LayoutRect AXSpinButton::elementRect() const 49{ 50 ASSERT(m_spinButtonElement); 51 52 if (!m_spinButtonElement || !m_spinButtonElement->renderer()) 53 return LayoutRect(); 54 55 return m_spinButtonElement->renderer()->absoluteFocusRingBoundingBoxRect(); 56} 57 58void AXSpinButton::addChildren() 59{ 60 m_haveChildren = true; 61 62 AXSpinButtonPart* incrementor = toAXSpinButtonPart(axObjectCache()->getOrCreate(SpinButtonPartRole)); 63 incrementor->setIsIncrementor(true); 64 incrementor->setParent(this); 65 m_children.append(incrementor); 66 67 AXSpinButtonPart* decrementor = toAXSpinButtonPart(axObjectCache()->getOrCreate(SpinButtonPartRole)); 68 decrementor->setIsIncrementor(false); 69 decrementor->setParent(this); 70 m_children.append(decrementor); 71} 72 73void AXSpinButton::step(int amount) 74{ 75 ASSERT(m_spinButtonElement); 76 if (!m_spinButtonElement) 77 return; 78 79 m_spinButtonElement->step(amount); 80} 81 82// AXSpinButtonPart 83 84AXSpinButtonPart::AXSpinButtonPart() 85 : m_isIncrementor(false) 86{ 87} 88 89PassRefPtr<AXSpinButtonPart> AXSpinButtonPart::create() 90{ 91 return adoptRef(new AXSpinButtonPart); 92} 93 94LayoutRect AXSpinButtonPart::elementRect() const 95{ 96 // FIXME: This logic should exist in the render tree or elsewhere, but there is no 97 // relationship that exists that can be queried. 98 99 LayoutRect parentRect = parentObject()->elementRect(); 100 if (m_isIncrementor) { 101 parentRect.setHeight(parentRect.height() / 2); 102 } else { 103 parentRect.setY(parentRect.y() + parentRect.height() / 2); 104 parentRect.setHeight(parentRect.height() / 2); 105 } 106 107 return parentRect; 108} 109 110bool AXSpinButtonPart::press() const 111{ 112 if (!m_parent || !m_parent->isSpinButton()) 113 return false; 114 115 AXSpinButton* spinButton = toAXSpinButton(parentObject()); 116 if (m_isIncrementor) 117 spinButton->step(1); 118 else 119 spinButton->step(-1); 120 121 return true; 122} 123 124} // namespace blink 125