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/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AccessibilityAttachment.h"
#include "HTMLAttachmentElement.h"
#include "HTMLNames.h"
#include "LocalizedStrings.h"
#include "RenderAttachment.h"
#if ENABLE(ATTACHMENT_ELEMENT)
namespace WebCore {
using namespace HTMLNames;
AccessibilityAttachment::AccessibilityAttachment(RenderAttachment* renderer)
: AccessibilityRenderObject(renderer)
{
}
Ref<AccessibilityAttachment> AccessibilityAttachment::create(RenderAttachment* renderer)
{
return adoptRef(*new AccessibilityAttachment(renderer));
}
bool AccessibilityAttachment::hasProgress(float* progress) const
{
auto& progressString = getAttribute(progressAttr);
bool validProgress;
float result = std::max<float>(std::min<float>(progressString.toFloat(&validProgress), 1), 0);
if (progress)
*progress = result;
return validProgress;
}
float AccessibilityAttachment::valueForRange() const
{
float progress = 0;
hasProgress(&progress);
return progress;
}
HTMLAttachmentElement* AccessibilityAttachment::attachmentElement() const
{
ASSERT(is<HTMLAttachmentElement>(node()));
if (!is<HTMLAttachmentElement>(node()))
return nullptr;
return downcast<HTMLAttachmentElement>(node());
}
String AccessibilityAttachment::roleDescription() const
{
return AXAttachmentRoleText();
}
bool AccessibilityAttachment::computeAccessibilityIsIgnored() const
{
return false;
}
void AccessibilityAttachment::accessibilityText(Vector<AccessibilityText>& textOrder) const
{
HTMLAttachmentElement* attachmentElement = this->attachmentElement();
if (!attachmentElement)
return;
auto title = attachmentElement->attachmentTitle();
auto& subtitle = attachmentElement->attachmentSubtitle();
auto& action = getAttribute(actionAttr);
if (action.length())
textOrder.append(AccessibilityText(action, AccessibilityTextSource::Action));
if (title.length())
textOrder.append(AccessibilityText(title, AccessibilityTextSource::Title));
if (subtitle.length())
textOrder.append(AccessibilityText(subtitle, AccessibilityTextSource::Subtitle));
}
} // namespace WebCore
#endif // ENABLE(ATTACHMENT_ELEMENT)
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