| /* |
| * 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/CoreExport.h" |
| #include "core/dom/SynchronousMutationObserver.h" |
| #include "core/editing/iterators/TextIterator.h" |
| #include "core/editing/markers/DocumentMarker.h" |
| #include "platform/geometry/IntRect.h" |
| #include "platform/heap/Handle.h" |
| #include "platform/wtf/HashMap.h" |
| #include "platform/wtf/Vector.h" |
| |
| namespace blink { |
| |
| class Node; |
| class RenderedDocumentMarker; |
| class Text; |
| |
| class MarkerRemoverPredicate final { |
| public: |
| explicit MarkerRemoverPredicate(const Vector<String>& words); |
| bool operator()(const DocumentMarker&, const Text&) const; |
| |
| private: |
| Vector<String> words_; |
| }; |
| |
| class CORE_EXPORT DocumentMarkerController final |
| : public GarbageCollected<DocumentMarkerController>, |
| public SynchronousMutationObserver { |
| WTF_MAKE_NONCOPYABLE(DocumentMarkerController); |
| USING_GARBAGE_COLLECTED_MIXIN(DocumentMarkerController); |
| |
| public: |
| explicit DocumentMarkerController(Document&); |
| |
| void Clear(); |
| void AddMarker(const Position& start, |
| const Position& end, |
| DocumentMarker::MarkerType, |
| const String& description = g_empty_string); |
| void AddTextMatchMarker(const EphemeralRange&, DocumentMarker::MatchStatus); |
| void AddCompositionMarker(const Position& start, |
| const Position& end, |
| Color underline_color, |
| bool thick, |
| Color background_color); |
| |
| void MoveMarkers(Node* src_node, int length, Node* dst_node); |
| |
| void PrepareForDestruction(); |
| void RemoveMarkers( |
| const EphemeralRange&, |
| DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers()); |
| void RemoveMarkers( |
| Node*, |
| unsigned start_offset, |
| int length, |
| DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers()); |
| void RemoveMarkers( |
| DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers()); |
| void RemoveMarkers( |
| Node*, |
| DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers()); |
| void RemoveMarkers(const MarkerRemoverPredicate& should_remove_marker); |
| void RepaintMarkers( |
| DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers()); |
| // Returns true if markers within a range are found. |
| bool SetMarkersActive(const EphemeralRange&, bool); |
| // Returns true if markers within a range defined by a node, |startOffset| and |
| // |endOffset| are found. |
| bool SetMarkersActive(Node*, |
| unsigned start_offset, |
| unsigned end_offset, |
| bool); |
| bool HasMarkers(Node* node) const { return markers_.Contains(node); } |
| |
| DocumentMarkerVector MarkersFor( |
| Node*, |
| DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers()); |
| DocumentMarkerVector MarkersInRange(const EphemeralRange&, |
| DocumentMarker::MarkerTypes); |
| DocumentMarkerVector Markers(); |
| Vector<IntRect> RenderedRectsForMarkers(DocumentMarker::MarkerType); |
| void UpdateMarkerRenderedRectIfNeeded(const Node&, RenderedDocumentMarker&); |
| void InvalidateRectsForAllMarkers(); |
| void InvalidateRectsForMarkersInNode(const Node&); |
| |
| DECLARE_TRACE(); |
| |
| #ifndef NDEBUG |
| void ShowMarkers() const; |
| #endif |
| |
| // SynchronousMutationObserver |
| void DidUpdateCharacterData(CharacterData*, |
| unsigned offset, |
| unsigned old_length, |
| unsigned new_length) final; |
| |
| private: |
| void AddMarker(Node*, const DocumentMarker&); |
| |
| using MarkerList = HeapVector<Member<RenderedDocumentMarker>>; |
| using MarkerLists = |
| HeapVector<Member<MarkerList>, DocumentMarker::kMarkerTypeIndexesCount>; |
| using MarkerMap = HeapHashMap<WeakMember<const Node>, Member<MarkerLists>>; |
| static Member<MarkerList>& ListForType(MarkerLists*, |
| DocumentMarker::MarkerType); |
| bool PossiblyHasMarkers(DocumentMarker::MarkerTypes); |
| void RemoveMarkersFromList(MarkerMap::iterator, DocumentMarker::MarkerTypes); |
| void RemoveMarkers(TextIterator&, DocumentMarker::MarkerTypes); |
| |
| MarkerMap markers_; |
| // Provide a quick way to determine whether a particular marker type is absent |
| // without going through the map. |
| DocumentMarker::MarkerTypes possibly_existing_marker_types_; |
| const Member<const Document> document_; |
| }; |
| |
| } // namespace blink |
| |
| #ifndef NDEBUG |
| void showDocumentMarkers(const blink::DocumentMarkerController*); |
| #endif |
| |
| #endif // DocumentMarkerController_h |