185 lines
5.4 KiB
C++
185 lines
5.4 KiB
C++
/*
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* Copyright (C) 2008 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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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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 "AccessibilityImageMapLink.h"
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#include "AXObjectCache.h"
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#include "AccessibilityRenderObject.h"
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#include "Document.h"
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#include "HTMLNames.h"
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#include "RenderBoxModelObject.h"
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namespace WebCore {
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using namespace HTMLNames;
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AccessibilityImageMapLink::AccessibilityImageMapLink()
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: m_areaElement(nullptr)
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, m_mapElement(nullptr)
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{
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}
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AccessibilityImageMapLink::~AccessibilityImageMapLink() = default;
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Ref<AccessibilityImageMapLink> AccessibilityImageMapLink::create()
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{
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return adoptRef(*new AccessibilityImageMapLink());
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}
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AccessibilityObject* AccessibilityImageMapLink::parentObject() const
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{
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if (m_parent)
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return m_parent;
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if (!m_mapElement.get() || !m_mapElement->renderer())
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return nullptr;
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return m_mapElement->document().axObjectCache()->getOrCreate(m_mapElement->renderer());
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}
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AccessibilityRole AccessibilityImageMapLink::roleValue() const
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{
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if (!m_areaElement)
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return AccessibilityRole::WebCoreLink;
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const AtomString& ariaRole = getAttribute(roleAttr);
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if (!ariaRole.isEmpty())
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return AccessibilityObject::ariaRoleToWebCoreRole(ariaRole);
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return AccessibilityRole::WebCoreLink;
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}
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Element* AccessibilityImageMapLink::actionElement() const
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{
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return anchorElement();
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}
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Element* AccessibilityImageMapLink::anchorElement() const
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{
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return m_areaElement.get();
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}
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URL AccessibilityImageMapLink::url() const
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{
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if (!m_areaElement.get())
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return URL();
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return m_areaElement->href();
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}
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void AccessibilityImageMapLink::accessibilityText(Vector<AccessibilityText>& textOrder) const
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{
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String description = accessibilityDescription();
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if (!description.isEmpty())
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textOrder.append(AccessibilityText(description, AccessibilityTextSource::Alternative));
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const AtomString& titleText = getAttribute(titleAttr);
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if (!titleText.isEmpty())
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textOrder.append(AccessibilityText(titleText, AccessibilityTextSource::TitleTag));
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const AtomString& summary = getAttribute(summaryAttr);
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if (!summary.isEmpty())
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textOrder.append(AccessibilityText(summary, AccessibilityTextSource::Summary));
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}
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String AccessibilityImageMapLink::accessibilityDescription() const
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{
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const AtomString& ariaLabel = getAttribute(aria_labelAttr);
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if (!ariaLabel.isEmpty())
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return ariaLabel;
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const AtomString& alt = getAttribute(altAttr);
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if (!alt.isEmpty())
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return alt;
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return String();
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}
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String AccessibilityImageMapLink::title() const
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{
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const AtomString& title = getAttribute(titleAttr);
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if (!title.isEmpty())
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return title;
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const AtomString& summary = getAttribute(summaryAttr);
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if (!summary.isEmpty())
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return summary;
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return String();
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}
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RenderElement* AccessibilityImageMapLink::imageMapLinkRenderer() const
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{
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if (!m_mapElement || !m_areaElement)
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return nullptr;
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RenderElement* renderer = nullptr;
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if (is<AccessibilityRenderObject>(m_parent))
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renderer = downcast<RenderElement>(downcast<AccessibilityRenderObject>(*m_parent).renderer());
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else
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renderer = m_mapElement->renderer();
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return renderer;
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}
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void AccessibilityImageMapLink::detachFromParent()
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{
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AccessibilityMockObject::detachFromParent();
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m_areaElement = nullptr;
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m_mapElement = nullptr;
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}
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Path AccessibilityImageMapLink::elementPath() const
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{
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auto renderer = imageMapLinkRenderer();
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if (!renderer)
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return Path();
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return m_areaElement->computePath(renderer);
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}
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LayoutRect AccessibilityImageMapLink::elementRect() const
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{
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auto renderer = imageMapLinkRenderer();
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if (!renderer)
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return LayoutRect();
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return m_areaElement->computeRect(renderer);
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}
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String AccessibilityImageMapLink::stringValueForMSAA() const
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{
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return url().string();
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}
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String AccessibilityImageMapLink::nameForMSAA() const
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{
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return accessibilityDescription();
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}
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} // namespace WebCore
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