/*

 * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

 */

#ifndef WebEditorClient_H

#define WebEditorClient_H

#include "IWebEditingDelegate.h"

#pragma warning(push, 0)

#include <WebCore/EditorClient.h>

#include <wtf/OwnPtr.h>

#pragma warning(pop)

class WebView;

class WebNotification;

class WebEditorUndoTarget;

class WebEditorClient : public WebCore::EditorClient {

public:

    WebEditorClient(WebView*);

    ~WebEditorClient();

    virtual void pageDestroyed();

    virtual bool isContinuousSpellCheckingEnabled();

    virtual void toggleGrammarChecking();

    virtual bool isGrammarCheckingEnabled();

    virtual void toggleContinuousSpellChecking();

    virtual int spellCheckerDocumentTag();

    virtual bool isEditable();

    virtual bool shouldBeginEditing(WebCore::Range*);

    virtual bool shouldEndEditing(WebCore::Range*);

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

    virtual void didBeginEditing();

    virtual void didEndEditing();

    virtual void didWriteSelectionToPasteboard();

    virtual void didSetSelectionTypesForPasteboard();

    virtual void respondToChangedContents();

    virtual void respondToChangedSelection();

    bool shouldShowDeleteInterface(WebCore::HTMLElement*);

    bool shouldDeleteRange(WebCore::Range*);

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

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

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

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

    void webViewDidChangeTypingStyle(WebNotification*);

    void webViewDidChangeSelection(WebNotification*);

    bool smartInsertDeleteEnabled();

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

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

    void clearUndoRedoOperations();

    bool canUndo() const;

    bool canRedo() const;

    void undo();

    void redo();    

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

    virtual void textFieldDidBeginEditing(WebCore::Element*);

    virtual void textFieldDidEndEditing(WebCore::Element*);

    virtual void textDidChangeInTextField(WebCore::Element*);

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

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

    virtual void textDidChangeInTextArea(WebCore::Element*);

    void handleKeypress(WebCore::KeyboardEvent*);

    void handleInputMethodKeypress(WebCore::KeyboardEvent*);

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

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

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

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

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

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

    virtual void showSpellingUI(bool show);

    virtual bool spellingUIIsShowing();

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

    virtual void setInputMethodState(bool);

private:

    WebView* m_webView;

    WebEditorUndoTarget* m_undoTarget;

};

#endif // WebEditorClient_H