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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef TextSuggestionController_h |
| 6 #define TextSuggestionController_h |
| 7 |
| 8 #include "core/CoreExport.h" |
| 9 #include "core/dom/DocumentShutdownObserver.h" |
| 10 #include "core/editing/EphemeralRange.h" |
| 11 #include "core/editing/VisiblePosition.h" |
| 12 #include "core/editing/markers/DocumentMarker.h" |
| 13 #include "platform/heap/Handle.h" |
| 14 #include "public/platform/input_host.mojom-blink.h" |
| 15 |
| 16 namespace blink { |
| 17 |
| 18 class Document; |
| 19 class LocalFrame; |
| 20 |
| 21 // This class handles functionality related to displaying a menu of text |
| 22 // suggestions (e.g. from spellcheck), and performing actions relating to those |
| 23 // suggestions. Android is currently the only platform that has such a menu. |
| 24 class CORE_EXPORT TextSuggestionController final |
| 25 : public GarbageCollectedFinalized<TextSuggestionController>, |
| 26 public DocumentShutdownObserver { |
| 27 USING_GARBAGE_COLLECTED_MIXIN(TextSuggestionController); |
| 28 |
| 29 public: |
| 30 explicit TextSuggestionController(LocalFrame&); |
| 31 |
| 32 void DocumentAttached(Document*); |
| 33 |
| 34 bool IsMenuOpen() const; |
| 35 |
| 36 void HandlePotentialMisspelledWordTap( |
| 37 const PositionInFlatTree& caret_position); |
| 38 |
| 39 void ApplySpellCheckSuggestion(const String& suggestion); |
| 40 void DeleteActiveSuggestionRange(); |
| 41 void NewWordAddedToDictionary(const String& word); |
| 42 void SpellCheckMenuTimeoutCallback(); |
| 43 void SuggestionMenuClosed(); |
| 44 |
| 45 DECLARE_TRACE(); |
| 46 |
| 47 private: |
| 48 Document& GetDocument() const; |
| 49 bool IsAvailable() const; |
| 50 LocalFrame& GetFrame() const; |
| 51 |
| 52 std::pair<const Node*, const DocumentMarker*> FirstMarkerIntersectingRange( |
| 53 const EphemeralRangeInFlatTree&, |
| 54 DocumentMarker::MarkerTypes) const; |
| 55 std::pair<const Node*, const DocumentMarker*> FirstMarkerTouchingSelection( |
| 56 DocumentMarker::MarkerTypes) const; |
| 57 |
| 58 void AttemptToDeleteActiveSuggestionRange(); |
| 59 void ReplaceSpellingMarkerTouchingSelectionWithText(const String&); |
| 60 void ReplaceRangeWithText(const EphemeralRange&, const String& replacement); |
| 61 |
| 62 bool is_suggestion_menu_open_; |
| 63 const Member<LocalFrame> frame_; |
| 64 mojom::blink::TextSuggestionHostPtr text_suggestion_host_; |
| 65 |
| 66 DISALLOW_COPY_AND_ASSIGN(TextSuggestionController); |
| 67 }; |
| 68 |
| 69 } // namespace blink |
| 70 |
| 71 #endif // TextSuggestionController_h |
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