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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2001 Dirk Mueller (mueller@kde.org)
* (C) 2006 Alexey Proskuryakov (ap@webkit.org)
* Copyright (C) 2004-2020 Apple Inc. All rights reserved.
* Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
* Copyright (C) Research In Motion Limited 2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include "DocumentMarker.h"
#include "Timer.h"
#include <memory>
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
namespace WebCore {
class Document;
class LayoutPoint;
class Node;
class RenderedDocumentMarker;
class Text;
struct SimpleRange;
enum class RemovePartiallyOverlappingMarker : bool { No, Yes };
enum class FilterMarkerResult : bool { Keep, Remove };
class DocumentMarkerController {
WTF_MAKE_NONCOPYABLE(DocumentMarkerController); WTF_MAKE_FAST_ALLOCATED;
public:
DocumentMarkerController(Document&);
~DocumentMarkerController();
void detach();
WEBCORE_EXPORT void addMarker(const SimpleRange&, DocumentMarker::MarkerType, const DocumentMarker::Data& = { });
void addMarker(Text&, unsigned startOffset, unsigned length, DocumentMarker::MarkerType, DocumentMarker::Data&& = { });
void addDraggedContentMarker(const SimpleRange&);
void copyMarkers(Node& source, OffsetRange, Node& destination);
bool hasMarkers() const;
WEBCORE_EXPORT bool hasMarkers(const SimpleRange&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
// When a marker partially overlaps with range, if removePartiallyOverlappingMarkers is true, we completely
// remove the marker. If the argument is false, we will adjust the span of the marker so that it retains
// the portion that is outside of the range.
WEBCORE_EXPORT void removeMarkers(const SimpleRange&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers(), RemovePartiallyOverlappingMarker = RemovePartiallyOverlappingMarker::No);
void removeMarkers(Node&, OffsetRange, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers(), const Function<FilterMarkerResult(const DocumentMarker&)>& filterFunction = nullptr, RemovePartiallyOverlappingMarker = RemovePartiallyOverlappingMarker::No);
WEBCORE_EXPORT void filterMarkers(const SimpleRange&, const Function<FilterMarkerResult(const DocumentMarker&)>& filterFunction, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers(), RemovePartiallyOverlappingMarker = RemovePartiallyOverlappingMarker::No);
WEBCORE_EXPORT void removeMarkers(OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
void removeMarkers(Node&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
void repaintMarkers(OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
void shiftMarkers(Node&, unsigned startOffset, int delta);
void dismissMarkers(OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
WEBCORE_EXPORT Vector<RenderedDocumentMarker*> markersFor(Node&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers());
WEBCORE_EXPORT Vector<RenderedDocumentMarker*> markersInRange(const SimpleRange&, OptionSet<DocumentMarker::MarkerType>);
WEBCORE_EXPORT Vector<SimpleRange> rangesForMarkersInRange(const SimpleRange&, OptionSet<DocumentMarker::MarkerType>);
void clearDescriptionOnMarkersIntersectingRange(const SimpleRange&, OptionSet<DocumentMarker::MarkerType>);
WEBCORE_EXPORT void updateRectsForInvalidatedMarkersOfType(DocumentMarker::MarkerType);
void invalidateRectsForAllMarkers();
void invalidateRectsForMarkersInNode(Node&);
DocumentMarker* markerContainingPoint(const LayoutPoint&, DocumentMarker::MarkerType);
WEBCORE_EXPORT Vector<FloatRect> renderedRectsForMarkers(DocumentMarker::MarkerType);
#if ENABLE(TREE_DEBUGGING)
void showMarkers() const;
#endif
private:
void addMarker(Node&, DocumentMarker&&);
struct TextRange {
Ref<Node> node;
OffsetRange range;
};
Vector<TextRange> collectTextRanges(const SimpleRange&);
void forEach(const SimpleRange&, OptionSet<DocumentMarker::MarkerType>, const Function<bool(Node&, RenderedDocumentMarker&)>);
void forEachOfTypes(OptionSet<DocumentMarker::MarkerType>, const Function<bool(Node&, RenderedDocumentMarker&)>);
using MarkerMap = HashMap<RefPtr<Node>, std::unique_ptr<Vector<RenderedDocumentMarker>>>;
bool possiblyHasMarkers(OptionSet<DocumentMarker::MarkerType>);
void removeMarkers(OptionSet<DocumentMarker::MarkerType>, const Function<FilterMarkerResult(const RenderedDocumentMarker&)>& filterFunction);
OptionSet<DocumentMarker::MarkerType> removeMarkersFromList(MarkerMap::iterator, OptionSet<DocumentMarker::MarkerType>, const Function<FilterMarkerResult(const RenderedDocumentMarker&)>& filterFunction = nullptr);
void fadeAnimationTimerFired();
MarkerMap m_markers;
// Provide a quick way to determine whether a particular marker type is absent without going through the map.
OptionSet<DocumentMarker::MarkerType> m_possiblyExistingMarkerTypes;
Document& m_document;
Timer m_fadeAnimationTimer;
};
WEBCORE_EXPORT void addMarker(const SimpleRange&, DocumentMarker::MarkerType, const DocumentMarker::Data& = { });
void addMarker(Text&, unsigned startOffset, unsigned length, DocumentMarker::MarkerType, DocumentMarker::Data&& = { });
void removeMarkers(const SimpleRange&, OptionSet<DocumentMarker::MarkerType> = DocumentMarker::allMarkers(), RemovePartiallyOverlappingMarker = RemovePartiallyOverlappingMarker::No);
WEBCORE_EXPORT SimpleRange makeSimpleRange(Node&, const DocumentMarker&);
inline bool DocumentMarkerController::hasMarkers() const
{
ASSERT(m_markers.isEmpty() == !m_possiblyExistingMarkerTypes.containsAny(DocumentMarker::allMarkers()));
return !m_markers.isEmpty();
}
} // namespace WebCore
#if ENABLE(TREE_DEBUGGING)
void showDocumentMarkers(const WebCore::DocumentMarkerController*);
#endif
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