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      1 /*
      2  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann (at) kde.org>
      3  * Copyright (C) 2006 Zack Rusin <zack (at) kde.org>
      4  * Copyright (C) 2006 Apple Computer, Inc.
      5  * Copyright (C) 2007 Ryan Leavengood <leavengood (at) gmail.com>
      6  *
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     22  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     23  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     25  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     26  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef EditorClientHaiku_H
     32 #define EditorClientHaiku_H
     33 
     34 #include "EditorClient.h"
     35 #include "TextCheckerClient.h"
     36 #include "RefCounted.h"
     37 #include "Page.h"
     38 
     39 #include <wtf/Forward.h>
     40 
     41 
     42 namespace WebCore {
     43 
     44 class EditorClientHaiku : public EditorClient, public TextCheckerClient {
     45     public:
     46         EditorClientHaiku();
     47         void setPage( Page* page );
     48 
     49         virtual void pageDestroyed();
     50 
     51         virtual bool shouldDeleteRange(Range*);
     52         virtual bool shouldShowDeleteInterface(HTMLElement*);
     53         virtual bool smartInsertDeleteEnabled();
     54         virtual bool isSelectTrailingWhitespaceEnabled();
     55         virtual bool isContinuousSpellCheckingEnabled();
     56         virtual void toggleContinuousSpellChecking();
     57         virtual bool isGrammarCheckingEnabled();
     58         virtual void toggleGrammarChecking();
     59         virtual int spellCheckerDocumentTag();
     60 
     61         virtual bool shouldBeginEditing(Range*);
     62         virtual bool shouldEndEditing(Range*);
     63         virtual bool shouldInsertNode(Node*, Range*, EditorInsertAction);
     64         virtual bool shouldInsertText(const String&, Range*, EditorInsertAction);
     65         virtual bool shouldChangeSelectedRange(Range* fromRange, Range* toRange,
     66                                                EAffinity, bool stillSelecting);
     67 
     68         virtual bool shouldApplyStyle(CSSStyleDeclaration*, Range*);
     69         virtual bool shouldMoveRangeAfterDelete(Range*, Range*);
     70 
     71         virtual void didBeginEditing();
     72         virtual void respondToChangedContents();
     73         virtual void respondToChangedSelection();
     74         virtual void didEndEditing();
     75         virtual void didWriteSelectionToPasteboard();
     76         virtual void didSetSelectionTypesForPasteboard();
     77 
     78         virtual void registerCommandForUndo(PassRefPtr<EditCommand>);
     79         virtual void registerCommandForRedo(PassRefPtr<EditCommand>);
     80         virtual void clearUndoRedoOperations();
     81 
     82         virtual bool canCopyCut(bool defaultValue) const;
     83         virtual bool canPaste(bool defaultValue) const;
     84         virtual bool canUndo() const;
     85         virtual bool canRedo() const;
     86 
     87         virtual void undo();
     88         virtual void redo();
     89 
     90         virtual void handleKeyboardEvent(KeyboardEvent*);
     91         virtual void handleInputMethodKeydown(KeyboardEvent*);
     92 
     93         virtual void textFieldDidBeginEditing(Element*);
     94         virtual void textFieldDidEndEditing(Element*);
     95         virtual void textDidChangeInTextField(Element*);
     96         virtual bool doTextFieldCommandFromEvent(Element*, KeyboardEvent*);
     97         virtual void textWillBeDeletedInTextField(Element*);
     98         virtual void textDidChangeInTextArea(Element*);
     99 
    100         virtual void ignoreWordInSpellDocument(const String&);
    101         virtual void learnWord(const String&);
    102         virtual void checkSpellingOfString(const UChar*, int length, int* misspellingLocation,
    103                                            int* misspellingLength);
    104         virtual String getAutoCorrectSuggestionForMisspelledWord(const String& misspelledWord);
    105         virtual void checkGrammarOfString(const UChar*, int length, Vector<GrammarDetail>&,
    106                                           int* badGrammarLocation, int* badGrammarLength);
    107         virtual void updateSpellingUIWithGrammarString(const String&, const GrammarDetail&);
    108         virtual void updateSpellingUIWithMisspelledWord(const String&);
    109         virtual void showSpellingUI(bool show);
    110         virtual bool spellingUIIsShowing();
    111         virtual void getGuessesForWord(const String& word, const String& context, Vector<String>& guesses);
    112         virtual void willSetInputMethodState();
    113         virtual void setInputMethodState(bool enabled);
    114         virtual void requestCheckingOfString(SpellChecker*, int, WebCore::TextCheckingTypeMask, const String&) {}
    115         virtual TextCheckerClient* textChecker() { return this; }
    116 
    117         bool isEditing() const;
    118 
    119     private:
    120         Page* m_page;
    121         bool m_editing;
    122         bool m_inUndoRedo; // our undo stack works differently - don't re-enter!
    123     };
    124 
    125 } // namespace WebCore
    126 
    127 #endif // EditorClientHaiku_h
    128