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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, 2005, 2006, 2007, 2008, 2009, 2010 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.
*
*/
#ifndef DocumentMarkerController_h
#define DocumentMarkerController_h
#include "core/dom/DocumentMarker.h"
#include "platform/geometry/IntRect.h"
#include "platform/heap/Handle.h"
#include "wtf/HashMap.h"
#include "wtf/Vector.h"
namespace WebCore {
class ContainerNode;
class LayoutPoint;
class LayoutRect;
class Node;
class Range;
class RenderedDocumentMarker;
class DocumentMarkerController FINAL : public NoBaseWillBeGarbageCollected<DocumentMarkerController> {
WTF_MAKE_NONCOPYABLE(DocumentMarkerController); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DocumentMarkerController);
public:
DocumentMarkerController();
void clear();
void addMarker(Range*, DocumentMarker::MarkerType);
void addMarker(Range*, DocumentMarker::MarkerType, const String& description);
void addMarker(Range*, DocumentMarker::MarkerType, const String& description, uint32_t hash);
void addTextMatchMarker(const Range*, bool activeMatch);
void copyMarkers(Node* srcNode, unsigned startOffset, int length, Node* dstNode, int delta);
bool hasMarkers(Range*, DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
void prepareForDestruction();
// 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.
enum RemovePartiallyOverlappingMarkerOrNot { DoNotRemovePartiallyOverlappingMarker, RemovePartiallyOverlappingMarker };
void removeMarkers(Range*, DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers(), RemovePartiallyOverlappingMarkerOrNot = DoNotRemovePartiallyOverlappingMarker);
void removeMarkers(Node*, unsigned startOffset, int length, DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers(), RemovePartiallyOverlappingMarkerOrNot = DoNotRemovePartiallyOverlappingMarker);
void removeMarkers(DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
void removeMarkers(Node*, DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
void repaintMarkers(DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
void invalidateRenderedRectsForMarkersInRect(const LayoutRect&);
void shiftMarkers(Node*, unsigned startOffset, int delta);
void setMarkersActive(Range*, bool);
void setMarkersActive(Node*, unsigned startOffset, unsigned endOffset, bool);
DocumentMarker* markerContainingPoint(const LayoutPoint&, DocumentMarker::MarkerType);
WillBeHeapVector<DocumentMarker*> markersFor(Node*, DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
WillBeHeapVector<DocumentMarker*> markersInRange(Range*, DocumentMarker::MarkerTypes);
WillBeHeapVector<DocumentMarker*> markers();
Vector<IntRect> renderedRectsForMarkers(DocumentMarker::MarkerType);
void trace(Visitor*);
#ifndef NDEBUG
void showMarkers() const;
#endif
private:
void addMarker(Node*, const DocumentMarker&);
typedef WillBeHeapVector<RenderedDocumentMarker> MarkerList;
typedef WillBeHeapVector<OwnPtrWillBeMember<MarkerList>, DocumentMarker::MarkerTypeIndexesCount> MarkerLists;
typedef WillBeHeapHashMap<RawPtrWillBeWeakMember<const Node>, OwnPtrWillBeMember<MarkerLists> > MarkerMap;
void mergeOverlapping(MarkerList*, DocumentMarker&);
bool possiblyHasMarkers(DocumentMarker::MarkerTypes);
void removeMarkersFromList(MarkerMap::iterator, DocumentMarker::MarkerTypes);
MarkerMap m_markers;
// Provide a quick way to determine whether a particular marker type is absent without going through the map.
DocumentMarker::MarkerTypes m_possiblyExistingMarkerTypes;
};
} // namespace WebCore
#ifndef NDEBUG
void showDocumentMarkers(const WebCore::DocumentMarkerController*);
#endif
#endif // DocumentMarkerController_h
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