131 lines
6.0 KiB
C++
131 lines
6.0 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
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* (C) 1999 Antti Koivisto (koivisto@kde.org)
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* (C) 2001 Dirk Mueller (mueller@kde.org)
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* (C) 2006 Alexey Proskuryakov (ap@webkit.org)
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* Copyright (C) 2004-2020 Apple Inc. All rights reserved.
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* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
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* Copyright (C) Research In Motion Limited 2010. All rights reserved.
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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 "DocumentMarker.h"
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#include <memory>
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#include <wtf/HashMap.h>
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#include <wtf/Vector.h>
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namespace WebCore {
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class Document;
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class LayoutPoint;
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class Node;
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class RenderedDocumentMarker;
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class Text;
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struct SimpleRange;
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enum class RemovePartiallyOverlappingMarker : bool { No, Yes };
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class DocumentMarkerController {
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WTF_MAKE_NONCOPYABLE(DocumentMarkerController); WTF_MAKE_FAST_ALLOCATED;
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public:
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DocumentMarkerController(Document&);
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~DocumentMarkerController();
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void detach();
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WEBCORE_EXPORT void addMarker(const SimpleRange&, DocumentMarker::MarkerType, const DocumentMarker::Data& = { });
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void addMarker(Text&, unsigned startOffset, unsigned length, DocumentMarker::MarkerType, DocumentMarker::Data&& = { });
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void addDraggedContentMarker(const SimpleRange&);
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void copyMarkers(Node& source, OffsetRange, Node& destination);
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bool hasMarkers() const;
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bool hasMarkers(const SimpleRange&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
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// When a marker partially overlaps with range, if removePartiallyOverlappingMarkers is true, we completely
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// remove the marker. If the argument is false, we will adjust the span of the marker so that it retains
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// the portion that is outside of the range.
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WEBCORE_EXPORT void removeMarkers(const SimpleRange&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers(), RemovePartiallyOverlappingMarker = RemovePartiallyOverlappingMarker::No);
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void removeMarkers(Node&, OffsetRange, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers(), const Function<bool(const DocumentMarker&)>& filterFunction = nullptr, RemovePartiallyOverlappingMarker = RemovePartiallyOverlappingMarker::No);
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// Return false from filterFunction to remove the marker.
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WEBCORE_EXPORT void filterMarkers(const SimpleRange&, const Function<bool(const DocumentMarker&)>& filterFunction, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers(), RemovePartiallyOverlappingMarker = RemovePartiallyOverlappingMarker::No);
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WEBCORE_EXPORT void removeMarkers(OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
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void removeMarkers(Node&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
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void repaintMarkers(OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
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void shiftMarkers(Node&, unsigned startOffset, int delta);
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WEBCORE_EXPORT Vector<RenderedDocumentMarker*> markersFor(Node&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
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WEBCORE_EXPORT Vector<RenderedDocumentMarker*> markersInRange(const SimpleRange&, OptionSet<DocumentMarker::MarkerType>);
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void clearDescriptionOnMarkersIntersectingRange(const SimpleRange&, OptionSet<DocumentMarker::MarkerType>);
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WEBCORE_EXPORT void updateRectsForInvalidatedMarkersOfType(DocumentMarker::MarkerType);
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void invalidateRectsForAllMarkers();
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void invalidateRectsForMarkersInNode(Node&);
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DocumentMarker* markerContainingPoint(const LayoutPoint&, DocumentMarker::MarkerType);
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WEBCORE_EXPORT Vector<FloatRect> renderedRectsForMarkers(DocumentMarker::MarkerType);
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#if ENABLE(TREE_DEBUGGING)
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void showMarkers() const;
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#endif
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private:
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void addMarker(Node&, DocumentMarker&&);
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struct TextRange {
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Ref<Node> node;
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OffsetRange range;
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};
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Vector<TextRange> collectTextRanges(const SimpleRange&);
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void forEach(const SimpleRange&, OptionSet<DocumentMarker::MarkerType>, const Function<bool(RenderedDocumentMarker&)>);
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using MarkerMap = HashMap<RefPtr<Node>, std::unique_ptr<Vector<RenderedDocumentMarker>>>;
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bool possiblyHasMarkers(OptionSet<DocumentMarker::MarkerType>);
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void removeMarkersFromList(MarkerMap::iterator, OptionSet<DocumentMarker::MarkerType>);
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MarkerMap m_markers;
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// Provide a quick way to determine whether a particular marker type is absent without going through the map.
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OptionSet<DocumentMarker::MarkerType> m_possiblyExistingMarkerTypes;
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Document& m_document;
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};
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void addMarker(const SimpleRange&, DocumentMarker::MarkerType, const DocumentMarker::Data& = { });
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void addMarker(Text&, unsigned startOffset, unsigned length, DocumentMarker::MarkerType, DocumentMarker::Data&& = { });
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void removeMarkers(const SimpleRange&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers(), RemovePartiallyOverlappingMarker = RemovePartiallyOverlappingMarker::No);
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WEBCORE_EXPORT SimpleRange makeSimpleRange(Node&, const DocumentMarker&);
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inline bool DocumentMarkerController::hasMarkers() const
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{
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ASSERT(m_markers.isEmpty() == !m_possiblyExistingMarkerTypes.containsAny(DocumentMarker::allMarkers()));
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return !m_markers.isEmpty();
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}
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} // namespace WebCore
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#if ENABLE(TREE_DEBUGGING)
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void showDocumentMarkers(const WebCore::DocumentMarkerController*);
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#endif
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