| /* |
| * 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 THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_MARKERS_DOCUMENT_MARKER_CONTROLLER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_MARKERS_DOCUMENT_MARKER_CONTROLLER_H_ |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/core/core_export.h" |
| #include "third_party/blink/renderer/core/dom/synchronous_mutation_observer.h" |
| #include "third_party/blink/renderer/core/editing/iterators/text_iterator.h" |
| #include "third_party/blink/renderer/core/editing/markers/composition_marker.h" |
| #include "third_party/blink/renderer/core/editing/markers/document_marker.h" |
| #include "third_party/blink/renderer/core/editing/markers/suggestion_marker.h" |
| #include "third_party/blink/renderer/core/editing/markers/text_match_marker.h" |
| #include "third_party/blink/renderer/platform/geometry/int_rect.h" |
| #include "third_party/blink/renderer/platform/heap/handle.h" |
| #include "third_party/blink/renderer/platform/wtf/hash_map.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| class DocumentMarkerList; |
| class Node; |
| class SuggestionMarkerProperties; |
| |
| class CORE_EXPORT DocumentMarkerController final |
| : public GarbageCollected<DocumentMarkerController>, |
| public SynchronousMutationObserver { |
| USING_GARBAGE_COLLECTED_MIXIN(DocumentMarkerController); |
| |
| public: |
| explicit DocumentMarkerController(Document&); |
| |
| void Clear(); |
| void AddSpellingMarker(const EphemeralRange&, |
| const String& description = g_empty_string); |
| void AddGrammarMarker(const EphemeralRange&, |
| const String& description = g_empty_string); |
| void AddTextMatchMarker(const EphemeralRange&, TextMatchMarker::MatchStatus); |
| void AddCompositionMarker(const EphemeralRange&, |
| Color underline_color, |
| ui::mojom::ImeTextSpanThickness, |
| Color background_color); |
| void AddActiveSuggestionMarker(const EphemeralRange&, |
| Color underline_color, |
| ui::mojom::ImeTextSpanThickness, |
| Color background_color); |
| void AddSuggestionMarker(const EphemeralRange&, |
| const SuggestionMarkerProperties&); |
| |
| void MoveMarkers(const Node* src_node, int length, const Node* dst_node); |
| |
| void PrepareForDestruction(); |
| void RemoveMarkersInRange(const EphemeralRange&, DocumentMarker::MarkerTypes); |
| void RemoveMarkersOfTypes(DocumentMarker::MarkerTypes); |
| void RemoveMarkersForNode( |
| const Node*, |
| DocumentMarker::MarkerTypes = DocumentMarker::MarkerTypes::All()); |
| void RemoveSpellingMarkersUnderWords(const Vector<String>& words); |
| void RemoveSuggestionMarkerByTag(const Node*, int32_t marker_tag); |
| void RepaintMarkers( |
| DocumentMarker::MarkerTypes = DocumentMarker::MarkerTypes::All()); |
| // Returns true if markers within a range are found. |
| bool SetTextMatchMarkersActive(const EphemeralRange&, bool); |
| // Returns true if markers within a range defined by a node, |startOffset| and |
| // |endOffset| are found. |
| bool SetTextMatchMarkersActive(const Node*, |
| unsigned start_offset, |
| unsigned end_offset, |
| bool); |
| bool HasMarkers(const Node* node) const { return markers_.Contains(node); } |
| |
| // TODO(rlanday): can these methods for retrieving markers be consolidated |
| // without hurting efficiency? |
| |
| // Looks for a marker in the specified node of the specified type whose |
| // interior has non-empty overlap with the range [start_offset, end_offset]. |
| // If the range is collapsed, this looks for a marker containing the offset of |
| // the collapsed range in its interior. |
| // If such a marker exists, this method will return one of them (no guarantees |
| // are provided as to which one). Otherwise, this method will return null. |
| DocumentMarker* FirstMarkerIntersectingOffsetRange( |
| const Text&, |
| unsigned start_offset, |
| unsigned end_offset, |
| DocumentMarker::MarkerTypes); |
| // Return all markers of the specified types whose interiors have non-empty |
| // overlap with the specified range. Note that the range can be collapsed, in |
| // in which case markers containing the position in their interiors are |
| // returned. |
| HeapVector<std::pair<Member<Node>, Member<DocumentMarker>>> |
| MarkersIntersectingRange(const EphemeralRangeInFlatTree&, |
| DocumentMarker::MarkerTypes); |
| DocumentMarkerVector MarkersFor( |
| const Node*, |
| DocumentMarker::MarkerTypes = DocumentMarker::MarkerTypes::All()); |
| DocumentMarkerVector Markers(); |
| // TODO(yoichio): Make const by making PossiblyHasMarkers const. |
| DocumentMarkerVector ComputeMarkersToPaint(const Node&); |
| |
| Vector<IntRect> LayoutRectsForTextMatchMarkers(); |
| void InvalidateRectsForAllTextMatchMarkers(); |
| void InvalidateRectsForTextMatchMarkersInNode(const Node&); |
| |
| void Trace(blink::Visitor*) override; |
| |
| #ifndef NDEBUG |
| void ShowMarkers() const; |
| #endif |
| |
| // SynchronousMutationObserver |
| // For performance, observer is only registered when |
| // |possibly_existing_marker_types_| is non-zero. |
| void DidUpdateCharacterData(CharacterData*, |
| unsigned offset, |
| unsigned old_length, |
| unsigned new_length) final; |
| |
| private: |
| void AddMarkerInternal( |
| const EphemeralRange&, |
| std::function<DocumentMarker*(int, int)> create_marker_from_offsets); |
| void AddMarkerToNode(const Node&, DocumentMarker*); |
| |
| using MarkerLists = HeapVector<Member<DocumentMarkerList>, |
| DocumentMarker::kMarkerTypeIndexesCount>; |
| using MarkerMap = HeapHashMap<WeakMember<const Node>, Member<MarkerLists>>; |
| static Member<DocumentMarkerList>& ListForType(MarkerLists*, |
| DocumentMarker::MarkerType); |
| bool PossiblyHasMarkers(DocumentMarker::MarkerTypes); |
| bool PossiblyHasMarkers(DocumentMarker::MarkerType); |
| void RemoveMarkersFromList(MarkerMap::iterator, DocumentMarker::MarkerTypes); |
| void RemoveMarkers(TextIterator&, DocumentMarker::MarkerTypes); |
| void RemoveMarkersInternal(const Node&, |
| unsigned start_offset, |
| int length, |
| 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<Document> document_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DocumentMarkerController); |
| }; |
| |
| } // namespace blink |
| |
| #ifndef NDEBUG |
| void showDocumentMarkers(const blink::DocumentMarkerController*); |
| #endif |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_EDITING_MARKERS_DOCUMENT_MARKER_CONTROLLER_H_ |
