1/* 2 * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef InsertTextCommand_h 27#define InsertTextCommand_h 28 29#include "CompositeEditCommand.h" 30 31namespace WebCore { 32 33class DocumentMarkerController; 34class Text; 35 36class TextInsertionMarkerSupplier : public RefCounted<TextInsertionMarkerSupplier> { 37public: 38 virtual ~TextInsertionMarkerSupplier() { } 39 virtual void addMarkersToTextNode(Text*, unsigned offsetOfInsertion, const String& textInserted) = 0; 40protected: 41 TextInsertionMarkerSupplier() { } 42}; 43 44class InsertTextCommand : public CompositeEditCommand { 45public: 46 enum RebalanceType { 47 RebalanceLeadingAndTrailingWhitespaces, 48 RebalanceAllWhitespaces 49 }; 50 51 static PassRefPtr<InsertTextCommand> create(Document& document, const String& text, bool selectInsertedText = false, 52 RebalanceType rebalanceType = RebalanceLeadingAndTrailingWhitespaces) 53 { 54 return adoptRef(new InsertTextCommand(document, text, selectInsertedText, rebalanceType)); 55 } 56 57 static PassRefPtr<InsertTextCommand> createWithMarkerSupplier(Document& document, const String& text, PassRefPtr<TextInsertionMarkerSupplier> markerSupplier) 58 { 59 return adoptRef(new InsertTextCommand(document, text, markerSupplier)); 60 } 61 62private: 63 64 InsertTextCommand(Document&, const String& text, bool selectInsertedText, RebalanceType); 65 InsertTextCommand(Document&, const String& text, PassRefPtr<TextInsertionMarkerSupplier>); 66 67 void deleteCharacter(); 68 69 virtual void doApply(); 70 71#if PLATFORM(IOS) 72 virtual bool isInsertTextCommand() const override { return true; } 73#endif 74 75 Position positionInsideTextNode(const Position&); 76 Position insertTab(const Position&); 77 78 bool performTrivialReplace(const String&, bool selectInsertedText); 79 bool performOverwrite(const String&, bool selectInsertedText); 80 void setEndingSelectionWithoutValidation(const Position& startPosition, const Position& endPosition); 81 82 friend class TypingCommand; 83 84 String m_text; 85 bool m_selectInsertedText; 86 RebalanceType m_rebalanceType; 87 RefPtr<TextInsertionMarkerSupplier> m_markerSupplier; 88}; 89 90} // namespace WebCore 91 92#endif // InsertTextCommand_h 93