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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 "DocumentMarker.h"
#include <wtf/HashMap.h>
#include <wtf/Vector.h>
namespace WebCore {
class IntPoint;
class IntRect;
class Node;
class Range;
class DocumentMarkerController {
WTF_MAKE_NONCOPYABLE(DocumentMarkerController); WTF_MAKE_FAST_ALLOCATED;
public:
DocumentMarkerController();
~DocumentMarkerController() { detach(); }
void detach();
void addMarker(Range*, DocumentMarker::MarkerType, String description = String());
void addMarker(Node*, DocumentMarker);
void copyMarkers(Node* srcNode, unsigned startOffset, int length, Node* dstNode, int delta, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
bool hasMarkers(Range*, DocumentMarker::MarkerTypes = 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.
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::MarkerType = DocumentMarker::AllMarkers);
void setRenderedRectForMarker(Node*, const DocumentMarker&, const IntRect&);
void invalidateRenderedRectsForMarkersInRect(const IntRect&);
void shiftMarkers(Node*, unsigned startOffset, int delta, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
void setMarkersActive(Range*, bool);
void setMarkersActive(Node*, unsigned startOffset, unsigned endOffset, bool);
DocumentMarker* markerContainingPoint(const IntPoint&, DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
Vector<DocumentMarker> markersForNode(Node*);
Vector<IntRect> renderedRectsForMarkers(DocumentMarker::MarkerType = DocumentMarker::AllMarkers);
void clearDescriptionOnMarkersIntersectingRange(Range*, DocumentMarker::MarkerTypes);
#ifndef NDEBUG
void showMarkers() const;
#endif
private:
typedef std::pair<Vector<DocumentMarker>, Vector<IntRect> > MarkerMapVectorPair;
typedef HashMap<RefPtr<Node>, MarkerMapVectorPair*> MarkerMap;
bool possiblyHasMarkers(DocumentMarker::MarkerTypes);
void removeMarkersFromMarkerMapVectorPair(Node*, MarkerMapVectorPair*, 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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