111 lines
3.5 KiB
C++
111 lines
3.5 KiB
C++
/*
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* Copyright (C) 2016 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* 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
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* OF 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 "AccessibilityAttachment.h"
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#include "HTMLAttachmentElement.h"
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#include "HTMLNames.h"
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#include "LocalizedStrings.h"
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#include "RenderAttachment.h"
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#if ENABLE(ATTACHMENT_ELEMENT)
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namespace WebCore {
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using namespace HTMLNames;
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AccessibilityAttachment::AccessibilityAttachment(RenderAttachment* renderer)
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: AccessibilityRenderObject(renderer)
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{
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}
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Ref<AccessibilityAttachment> AccessibilityAttachment::create(RenderAttachment* renderer)
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{
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return adoptRef(*new AccessibilityAttachment(renderer));
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}
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bool AccessibilityAttachment::hasProgress(float* progress) const
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{
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auto& progressString = getAttribute(progressAttr);
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bool validProgress;
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float result = std::max<float>(std::min<float>(progressString.toFloat(&validProgress), 1), 0);
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if (progress)
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*progress = result;
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return validProgress;
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}
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float AccessibilityAttachment::valueForRange() const
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{
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float progress = 0;
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hasProgress(&progress);
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return progress;
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}
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HTMLAttachmentElement* AccessibilityAttachment::attachmentElement() const
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{
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ASSERT(is<HTMLAttachmentElement>(node()));
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if (!is<HTMLAttachmentElement>(node()))
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return nullptr;
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return downcast<HTMLAttachmentElement>(node());
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}
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String AccessibilityAttachment::roleDescription() const
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{
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return AXAttachmentRoleText();
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}
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bool AccessibilityAttachment::computeAccessibilityIsIgnored() const
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{
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return false;
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}
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void AccessibilityAttachment::accessibilityText(Vector<AccessibilityText>& textOrder) const
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{
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HTMLAttachmentElement* attachmentElement = this->attachmentElement();
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if (!attachmentElement)
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return;
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auto title = attachmentElement->attachmentTitle();
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auto& subtitle = getAttribute(subtitleAttr);
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auto& action = getAttribute(actionAttr);
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if (action.length())
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textOrder.append(AccessibilityText(action, AccessibilityTextSource::Action));
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if (title.length())
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textOrder.append(AccessibilityText(title, AccessibilityTextSource::Title));
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if (subtitle.length())
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textOrder.append(AccessibilityText(subtitle, AccessibilityTextSource::Subtitle));
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}
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} // namespace WebCore
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#endif // ENABLE(ATTACHMENT_ELEMENT)
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