174 lines
7.0 KiB
C++
174 lines
7.0 KiB
C++
/*
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* Copyright (C) 2006, 2014, 2020 Apple Inc.
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* Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#pragma once
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#include "HitTestLocation.h"
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#include "HitTestRequest.h"
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#include <wtf/Forward.h>
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#include <wtf/ListHashSet.h>
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namespace WebCore {
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class Element;
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class Frame;
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class HTMLMediaElement;
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class Image;
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class Node;
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class Scrollbar;
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enum class HitTestProgress { Stop, Continue };
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class HitTestResult {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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using NodeSet = ListHashSet<Ref<Node>>;
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WEBCORE_EXPORT HitTestResult();
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WEBCORE_EXPORT explicit HitTestResult(const LayoutPoint&);
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WEBCORE_EXPORT explicit HitTestResult(const LayoutRect&);
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WEBCORE_EXPORT explicit HitTestResult(const HitTestLocation&);
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WEBCORE_EXPORT HitTestResult(const HitTestResult&);
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WEBCORE_EXPORT ~HitTestResult();
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WEBCORE_EXPORT HitTestResult& operator=(const HitTestResult&);
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WEBCORE_EXPORT void setInnerNode(Node*);
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Node* innerNode() const { return m_innerNode.get(); }
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void setInnerNonSharedNode(Node*);
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Node* innerNonSharedNode() const { return m_innerNonSharedNode.get(); }
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WEBCORE_EXPORT Element* innerNonSharedElement() const;
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void setURLElement(Element*);
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Element* URLElement() const { return m_innerURLElement.get(); }
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void setScrollbar(Scrollbar*);
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Scrollbar* scrollbar() const { return m_scrollbar.get(); }
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bool isOverWidget() const { return m_isOverWidget; }
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void setIsOverWidget(bool isOverWidget) { m_isOverWidget = isOverWidget; }
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WEBCORE_EXPORT String linkSuggestedFilename() const;
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// Forwarded from HitTestLocation
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bool isRectBasedTest() const { return m_hitTestLocation.isRectBasedTest(); }
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// The hit-tested point in the coordinates of the main frame.
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const LayoutPoint& pointInMainFrame() const { return m_hitTestLocation.point(); }
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IntPoint roundedPointInMainFrame() const { return roundedIntPoint(pointInMainFrame()); }
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// The hit-tested point in the coordinates of the innerNode frame, the frame containing innerNode.
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const LayoutPoint& pointInInnerNodeFrame() const { return m_pointInInnerNodeFrame; }
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IntPoint roundedPointInInnerNodeFrame() const { return roundedIntPoint(pointInInnerNodeFrame()); }
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WEBCORE_EXPORT Frame* innerNodeFrame() const;
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// The hit-tested point in the coordinates of the inner node.
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const LayoutPoint& localPoint() const { return m_localPoint; }
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void setLocalPoint(const LayoutPoint& p) { m_localPoint = p; }
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WEBCORE_EXPORT void setToNonUserAgentShadowAncestor();
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const HitTestLocation& hitTestLocation() const { return m_hitTestLocation; }
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WEBCORE_EXPORT Frame* targetFrame() const;
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WEBCORE_EXPORT bool isSelected() const;
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WEBCORE_EXPORT String selectedText() const;
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WEBCORE_EXPORT String spellingToolTip(TextDirection&) const;
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String replacedString() const;
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WEBCORE_EXPORT String title(TextDirection&) const;
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String innerTextIfTruncated(TextDirection&) const;
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WEBCORE_EXPORT String altDisplayString() const;
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WEBCORE_EXPORT String titleDisplayString() const;
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WEBCORE_EXPORT Image* image() const;
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WEBCORE_EXPORT IntRect imageRect() const;
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WEBCORE_EXPORT URL absoluteImageURL() const;
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WEBCORE_EXPORT URL absolutePDFURL() const;
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WEBCORE_EXPORT URL absoluteMediaURL() const;
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WEBCORE_EXPORT URL absoluteLinkURL() const;
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WEBCORE_EXPORT String textContent() const;
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bool isOverLink() const;
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WEBCORE_EXPORT bool isContentEditable() const;
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void toggleMediaControlsDisplay() const;
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void toggleMediaLoopPlayback() const;
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WEBCORE_EXPORT bool mediaIsInFullscreen() const;
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void toggleMediaFullscreenState() const;
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void enterFullscreenForVideo() const;
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bool mediaControlsEnabled() const;
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bool mediaLoopEnabled() const;
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bool mediaPlaying() const;
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bool mediaSupportsFullscreen() const;
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void toggleMediaPlayState() const;
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WEBCORE_EXPORT bool mediaHasAudio() const;
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WEBCORE_EXPORT bool mediaIsVideo() const;
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bool mediaMuted() const;
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void toggleMediaMuteState() const;
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bool mediaSupportsEnhancedFullscreen() const;
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bool mediaIsInEnhancedFullscreen() const;
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void toggleEnhancedFullscreenForVideo() const;
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WEBCORE_EXPORT bool isDownloadableMedia() const;
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WEBCORE_EXPORT bool isOverTextInsideFormControlElement() const;
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HitTestProgress addNodeToListBasedTestResult(Node*, const HitTestRequest&, const HitTestLocation& pointInContainer, const LayoutRect& = LayoutRect());
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HitTestProgress addNodeToListBasedTestResult(Node*, const HitTestRequest&, const HitTestLocation& pointInContainer, const FloatRect&);
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void append(const HitTestResult&, const HitTestRequest&);
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// If m_listBasedTestResult is 0 then set it to a new NodeSet. Return *m_listBasedTestResult. Lazy allocation makes
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// sense because the NodeSet is seldom necessary, and it's somewhat expensive to allocate and initialize. This method does
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// the same thing as mutableListBasedTestResult(), but here the return value is const.
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WEBCORE_EXPORT const NodeSet& listBasedTestResult() const;
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Vector<String> dictationAlternatives() const;
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WEBCORE_EXPORT Node* targetNode() const;
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WEBCORE_EXPORT Element* targetElement() const;
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private:
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NodeSet& mutableListBasedTestResult(); // See above.
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template<typename RectType> HitTestProgress addNodeToListBasedTestResultCommon(Node*, const HitTestRequest&, const HitTestLocation&, const RectType&);
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RefPtr<Node> nodeForImageData() const;
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#if ENABLE(VIDEO)
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HTMLMediaElement* mediaElement() const;
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#endif
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HitTestLocation m_hitTestLocation;
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RefPtr<Node> m_innerNode;
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RefPtr<Node> m_innerNonSharedNode;
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LayoutPoint m_pointInInnerNodeFrame; // The hit-tested point in innerNode frame coordinates.
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LayoutPoint m_localPoint; // A point in the local coordinate space of m_innerNonSharedNode's renderer. Allows us to efficiently
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// determine where inside the renderer we hit on subsequent operations.
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RefPtr<Element> m_innerURLElement;
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RefPtr<Scrollbar> m_scrollbar;
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bool m_isOverWidget { false }; // Returns true if we are over a widget (and not in the border/padding area of a RenderWidget for example).
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mutable std::unique_ptr<NodeSet> m_listBasedTestResult;
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};
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WEBCORE_EXPORT String displayString(const String&, const Node*);
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} // namespace WebCore
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