154 lines
4.4 KiB
C++
154 lines
4.4 KiB
C++
/*
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* Copyright (C) 2011 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "AccessibilitySpinButton.h"
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#include "AXObjectCache.h"
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#include "RenderElement.h"
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namespace WebCore {
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Ref<AccessibilitySpinButton> AccessibilitySpinButton::create()
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{
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return adoptRef(*new AccessibilitySpinButton);
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}
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AccessibilitySpinButton::AccessibilitySpinButton()
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: m_spinButtonElement(nullptr)
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{
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}
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AccessibilitySpinButton::~AccessibilitySpinButton() = default;
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AXCoreObject* AccessibilitySpinButton::incrementButton()
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{
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if (!m_haveChildren)
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addChildren();
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if (!m_haveChildren)
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return nullptr;
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ASSERT(m_children.size() == 2);
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return m_children[0].get();
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}
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AXCoreObject* AccessibilitySpinButton::decrementButton()
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{
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if (!m_haveChildren)
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addChildren();
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if (!m_haveChildren)
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return nullptr;
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ASSERT(m_children.size() == 2);
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return m_children[1].get();
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}
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LayoutRect AccessibilitySpinButton::elementRect() const
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{
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ASSERT(m_spinButtonElement);
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if (!m_spinButtonElement || !m_spinButtonElement->renderer())
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return LayoutRect();
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Vector<FloatQuad> quads;
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m_spinButtonElement->renderer()->absoluteFocusRingQuads(quads);
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return boundingBoxForQuads(m_spinButtonElement->renderer(), quads);
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}
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void AccessibilitySpinButton::addChildren()
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{
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AXObjectCache* cache = axObjectCache();
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if (!cache)
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return;
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m_haveChildren = true;
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auto& incrementor = downcast<AccessibilitySpinButtonPart>(*cache->create(AccessibilityRole::SpinButtonPart));
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incrementor.setIsIncrementor(true);
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incrementor.setParent(this);
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m_children.append(&incrementor);
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auto& decrementor = downcast<AccessibilitySpinButtonPart>(*cache->create(AccessibilityRole::SpinButtonPart));
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decrementor.setIsIncrementor(false);
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decrementor.setParent(this);
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m_children.append(&decrementor);
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}
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void AccessibilitySpinButton::step(int amount)
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{
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ASSERT(m_spinButtonElement);
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if (!m_spinButtonElement)
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return;
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m_spinButtonElement->step(amount);
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}
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// AccessibilitySpinButtonPart
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AccessibilitySpinButtonPart::AccessibilitySpinButtonPart()
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: m_isIncrementor(false)
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{
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}
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Ref<AccessibilitySpinButtonPart> AccessibilitySpinButtonPart::create()
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{
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return adoptRef(*new AccessibilitySpinButtonPart);
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}
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LayoutRect AccessibilitySpinButtonPart::elementRect() const
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{
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// FIXME: This logic should exist in the render tree or elsewhere, but there is no
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// relationship that exists that can be queried.
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LayoutRect parentRect = parentObject()->elementRect();
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if (m_isIncrementor)
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parentRect.setHeight(parentRect.height() / 2);
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else {
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parentRect.setY(parentRect.y() + parentRect.height() / 2);
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parentRect.setHeight(parentRect.height() / 2);
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}
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return parentRect;
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}
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bool AccessibilitySpinButtonPart::press()
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{
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if (!is<AccessibilitySpinButton>(m_parent))
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return false;
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auto& spinButton = downcast<AccessibilitySpinButton>(*m_parent);
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if (m_isIncrementor)
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spinButton.step(1);
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else
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spinButton.step(-1);
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return true;
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}
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} // namespace WebCore
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