1 /*

     2  * Copyright (C) 2006, 2007 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 COMPUTER, 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 COMPUTER, 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 WebEditorClient_H

    27 #define WebEditorClient_H

    28 

    29 #include "IWebEditingDelegate.h"

    30 #pragma warning(push, 0)

    31 #include <WebCore/EditorClient.h>

    32 #include <wtf/OwnPtr.h>

    33 #pragma warning(pop)

    34 

    35 class WebView;

    36 class WebNotification;

    37 class WebEditorUndoTarget;

    38 

    39 class WebEditorClient : public WebCore::EditorClient {

    40 public:

    41     WebEditorClient(WebView*);

    42     ~WebEditorClient();

    43 

    44     virtual void pageDestroyed();

    45 

    46     virtual bool isContinuousSpellCheckingEnabled();

    47     virtual void toggleGrammarChecking();

    48     virtual bool isGrammarCheckingEnabled();

    49     virtual void toggleContinuousSpellChecking();

    50     virtual int spellCheckerDocumentTag();

    51 

    52     virtual bool isEditable();

    53 

    54     virtual bool shouldBeginEditing(WebCore::Range*);

    55     virtual bool shouldEndEditing(WebCore::Range*);

    56     virtual bool shouldInsertText(WebCore::String, WebCore::Range*, WebCore::EditorInsertAction);

    57 

    58     virtual void didBeginEditing();

    59     virtual void didEndEditing();

    60     virtual void didWriteSelectionToPasteboard();

    61     virtual void didSetSelectionTypesForPasteboard();

    62 

    63     virtual void respondToChangedContents();

    64     virtual void respondToChangedSelection();

    65 

    66     bool shouldShowDeleteInterface(WebCore::HTMLElement*);

    67     bool shouldDeleteRange(WebCore::Range*);

    68 

    69     bool shouldInsertNode(WebCore::Node*, WebCore::Range* replacingRange, WebCore::EditorInsertAction);

    70     bool shouldApplyStyle(WebCore::CSSStyleDeclaration*, WebCore::Range*);

    71     bool shouldMoveRangeAfterDelete(WebCore::Range*, WebCore::Range*);

    72     bool shouldChangeTypingStyle(WebCore::CSSStyleDeclaration* currentStyle, WebCore::CSSStyleDeclaration* toProposedStyle);

    73 

    74     void webViewDidChangeTypingStyle(WebNotification*);

    75     void webViewDidChangeSelection(WebNotification*);

    76 

    77     bool smartInsertDeleteEnabled();

    78 

    79     void registerCommandForUndo(PassRefPtr<WebCore::EditCommand>);

    80     void registerCommandForRedo(PassRefPtr<WebCore::EditCommand>);

    81     void clearUndoRedoOperations();

    82 

    83     bool canUndo() const;

    84     bool canRedo() const;

    85     

    86     void undo();

    87     void redo();    

    88     

    89     virtual bool shouldChangeSelectedRange(WebCore::Range* fromRange, WebCore::Range* toRange, WebCore::EAffinity, bool stillSelecting);

    90     virtual void textFieldDidBeginEditing(WebCore::Element*);

    91     virtual void textFieldDidEndEditing(WebCore::Element*);

    92     virtual void textDidChangeInTextField(WebCore::Element*);

    93     virtual bool doTextFieldCommandFromEvent(WebCore::Element*, WebCore::KeyboardEvent*);

    94     virtual void textWillBeDeletedInTextField(WebCore::Element* input);

    95     virtual void textDidChangeInTextArea(WebCore::Element*);

    96 

    97     void handleKeypress(WebCore::KeyboardEvent*);

    98     void handleInputMethodKeypress(WebCore::KeyboardEvent*);

    99 

   100     virtual void ignoreWordInSpellDocument(const WebCore::String&);

   101     virtual void learnWord(const WebCore::String&);

   102     virtual void checkSpellingOfString(const UChar*, int length, int* misspellingLocation, int* misspellingLength);

   103     virtual void checkGrammarOfString(const UChar*, int length, Vector<WebCore::GrammarDetail>&, int* badGrammarLocation, int* badGrammarLength);

   104     virtual void updateSpellingUIWithGrammarString(const WebCore::String&, const WebCore::GrammarDetail& detail);

   105     virtual void updateSpellingUIWithMisspelledWord(const WebCore::String&);

   106     virtual void showSpellingUI(bool show);

   107     virtual bool spellingUIIsShowing();

   108     virtual void getGuessesForWord(const WebCore::String&, Vector<WebCore::String>& guesses);

   109 

   110     virtual void setInputMethodState(bool);

   111 

   112 private:

   113     WebView* m_webView;

   114     WebEditorUndoTarget* m_undoTarget;

   115 };

   116 

   117 #endif // WebEditorClient_H