87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/*
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* Copyright (C) 2021 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 "AXImage.h"
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#include "AXLogger.h"
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#include "Chrome.h"
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#include "ChromeClient.h"
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namespace WebCore {
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AXImage::AXImage(RenderImage* renderer)
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: AccessibilityRenderObject(renderer)
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{
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}
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Ref<AXImage> AXImage::create(RenderImage* renderer)
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{
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return adoptRef(*new AXImage(renderer));
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}
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AccessibilityRole AXImage::roleValue() const
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{
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auto ariaRole = ariaRoleAttribute();
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if (ariaRole != AccessibilityRole::Unknown)
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return ariaRole;
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return AccessibilityRole::Image;
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}
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std::optional<AXCoreObject::AccessibilityChildrenVector> AXImage::imageOverlayElements()
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{
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AXTRACE("AXImage::imageOverlayElements");
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auto& children = this->children();
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if (children.size())
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return children;
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#if ENABLE(IMAGE_ANALYSIS)
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auto* page = this->page();
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if (!page)
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return std::nullopt;
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auto* element = this->element();
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if (!element)
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return std::nullopt;
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page->chrome().client().requestTextRecognition(*element, [] (RefPtr<Element>&& imageOverlayHost) {
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if (!imageOverlayHost)
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return;
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if (auto* axObjectCache = imageOverlayHost->document().existingAXObjectCache())
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axObjectCache->postNotification(imageOverlayHost.get(), AXObjectCache::AXImageOverlayChanged);
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});
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#endif
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return std::nullopt;
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}
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} // namespace WebCore
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