/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   WebFepEditor.h

*

*/

#include <browser_platform_variant.hrh>

#include <e32base.h>

#include <fepbase.h>

#include <coeinput.h>

#include <fepipext.h>

#include <frmtlay.h>

#include <AknExtendedInputCapabilities.h> 

#include <eikccpu.h>

#include <baclipb.h>

#include "PlatformString.h"

#include "Node.h"

#include "Frame.h"

#ifndef WEBFEPTEXTEDITOR_H

#define WEBFEPTEXTEDITOR_H

using namespace WebCore;

class WebView;

class WebTextFormatMask;

class CWebFepTextEditor : public CBase,

                          public MObjectProvider,

                          public MCoeFepAwareTextEditor,

                          public MCoeFepAwareTextEditor_Extension1,

                          public TCoeInputCapabilities::MCoeFepSpecificExtensions,

                          public MEikCcpuEditor

    {

public:

    CWebFepTextEditor(WebView* aView);    

    ~CWebFepTextEditor();   

    void UpdateEditingMode();

    void CancelEditingMode();

    void ActivatePenInputRequest();

    void DeactivatePenInputRequest();

    TCoeInputCapabilities InputCapabilities();            

public:        

    // from MCoeFepAwareTextEditor    

    virtual void StartFepInlineEditL(const TDesC& aInitialInlineText, TInt aPositionOfInsertionPointInInlineText, TBool aCursorVisibility, const MFormCustomDraw* aCustomDraw, MFepInlineTextFormatRetriever& aInlineTextFormatRetriever, MFepPointerEventHandlerDuringInlineEdit& aPointerEventHandlerDuringInlineEdit);

    virtual void UpdateFepInlineTextL(const TDesC& aNewInlineText, TInt aPositionOfInsertionPointInInlineText);

    virtual void SetInlineEditingCursorVisibilityL(TBool aCursorVisibility);

    virtual void CancelFepInlineEdit();

    virtual TInt DocumentLengthForFep() const;

    virtual TInt DocumentMaximumLengthForFep() const;

    virtual void SetCursorSelectionForFepL(const TCursorSelection& aCursorSelection);

    virtual void GetCursorSelectionForFep(TCursorSelection& aCursorSelection) const;

    virtual void GetEditorContentForFep(TDes& aEditorContent, TInt aDocumentPosition, TInt aLengthToRetrieve) const; // must cope with aDocumentPosition being outside the range 0 to DocumentLengthForFep()

    virtual void GetFormatForFep(TCharFormat& aFormat, TInt aDocumentPosition) const;

    virtual void GetScreenCoordinatesForFepL(TPoint& aLeftSideOfBaseLine, TInt& aHeight, TInt& aAscent, TInt aDocumentPosition) const;

    virtual void DoCommitFepInlineEditL();

    virtual MCoeFepAwareTextEditor_Extension1* Extension1(TBool& aSetToTrue);

    virtual void MCoeFepAwareTextEditor_Reserved_2();    

    // from MCoeFepAwareTextEditor_Extension1

    void SetStateTransferingOwnershipL(CState* aState, TUid aTypeSafetyUid);

    CState* State(TUid aTypeSafetyUid); // this function does *not* transfer ownership    

    virtual void StartFepInlineEditL(TBool& aSetToTrue, const TCursorSelection& aCursorSelection, const TDesC& aInitialInlineText, TInt aPositionOfInsertionPointInInlineText, TBool aCursorVisibility, const MFormCustomDraw* aCustomDraw, MFepInlineTextFormatRetriever& aInlineTextFormatRetriever, MFepPointerEventHandlerDuringInlineEdit& aPointerEventHandlerDuringInlineEdit);

    virtual void SetCursorType(TBool& aSetToTrue, const TTextCursor& aTextCursor);

    virtual void MCoeFepAwareTextEditor_Extension1_Reserved_3(){};

    virtual void MCoeFepAwareTextEditor_Extension1_Reserved_4(){};

    // from TCoeInputCapabilities::MCoeFepSpecificExtensions

    virtual TBool IsValidCharacter(TInt aChar);

    virtual void MCoeFepSpecificExtensions_Reserved_1(){};

    virtual void MCoeFepSpecificExtensions_Reserved_2(){};

    // from MObjectProvider

	virtual TTypeUid::Ptr MopSupplyObject(TTypeUid aId);	

    // from MEikCcpuEditor

	virtual TBool CcpuIsFocused() const;

	virtual TBool CcpuCanCut() const;

	virtual void CcpuCutL();

	virtual TBool CcpuCanCopy() const;

	virtual void CcpuCopyL();

	virtual TBool CcpuCanPaste() const;

	virtual void CcpuPasteL();

	virtual TBool CcpuCanUndo() const{return EFalse;}

	virtual void CcpuUndoL(){	}

public:

    void UpdateFlagsState(TUint flags);

    void UpdateInputModeState(TUint inputMode, TUint permittedInputModes, TUint numericKeyMap);

    void UpdateCaseState(TUint currentCase, TUint permittedCase);

    bool GetStateFromFormatMask(TUint& currentCase, TUint& permittedCase, TUint& inputMode, TUint& permittedInputModes, TUint& flags, TUint& numericKeyMap);

    void HandleUpdateCursor();

    void UpdateInlineText(const TDesC& aText);

    void ClearInlineText();    

    void CreateTextFormatMask();        

    bool validateTextFormat();

    TBool IsDirectionRTL();

    TBool IsLongKeyPress() const;

#if defined(BRDO_BROWSER_50_FF)

    void SetAlignment(CAknExtendedInputCapabilities::TInputCapabilities aAlignment);

#endif	// BRDO_BROWSER_50_FF

    bool IsTextAreaFocused() const;

    void DoCcpuCanPasteL() const;

    void PlaceDataOnClipboardL();

    void RetrieveDataFromClipboardL();

    void PasteFromStoreL(CStreamStore& aStore,CStreamDictionary& aDict);

    void CopyToStoreL(CStreamStore& aStore,CStreamDictionary& aDict);    

    void HandleMaskedInsertText(WebCore::Frame* frame, const String& text);

    void HandleMaskedDeleteText(WebCore::Frame* frame);

    bool IsWapMaskedModeInput(WebCore::Frame* frame);

    void EnableCcpuL();

    TBool IsInputElementFocused() const;

private:

    void  findPrevSiblingTextLen(Node*, TInt&) const;

    Node* findTextNodeForCurPos(Node* aNode, TInt& aPos) const;

    void setSCTAvailability(bool aAvailable);

private:

    CState* m_state;        

    WebView* m_webView;

    WebTextFormatMask* m_textFormatMask;    

    HBufC* m_inlineEditText;

    String m_inputTextColor;

    CAknExtendedInputCapabilities* m_ExtendedInputCapabilities;

    CAknCcpuSupport* m_CcpuSupport;

    TBool m_longKeyPress;

    };

#endif