1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:   WebFepEditor.h

    15 *

    16 */

    17 

    18 

    19 

    20 #include <Browser_platform_variant.hrh>

    21 

    22 #include <e32base.h>

    23 #include <fepbase.h>

    24 #include <coeinput.h>

    25 #include <fepipext.h>

    26 #include <frmtlay.h>

    27 #include <AknExtendedInputCapabilities.h> 

    28 #include <eikccpu.h>

    29 #include <baclipb.h>

    30 

    31 #include "PlatformString.h"

    32 #include "Node.h"

    33 

    34 #ifndef WEBFEPTEXTEDITOR_H

    35 #define WEBFEPTEXTEDITOR_H

    36 

    37 using namespace WebCore;

    38 

    39 class WebView;

    40 class WebTextFormatMask;

    41  

    42 class CWebFepTextEditor : public CBase,

    43                           public MObjectProvider,

    44                           public MCoeFepAwareTextEditor,

    45                           public MCoeFepAwareTextEditor_Extension1,

    46                           public TCoeInputCapabilities::MCoeFepSpecificExtensions,

    47                           public MEikCcpuEditor

    48     {

    49 public:

    50     CWebFepTextEditor(WebView* aView);    

    51     ~CWebFepTextEditor();   

    52         

    53     void UpdateEditingMode();

    54     void CancelEditingMode();

    55     void ActivatePenInputRequest();

    56     void DeactivatePenInputRequest();

    57     TCoeInputCapabilities InputCapabilities();            

    58     

    59 public:        

    60     // from MCoeFepAwareTextEditor    

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

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

    63     virtual void SetInlineEditingCursorVisibilityL(TBool aCursorVisibility);

    64     virtual void CancelFepInlineEdit();

    65     virtual TInt DocumentLengthForFep() const;

    66     virtual TInt DocumentMaximumLengthForFep() const;

    67     virtual void SetCursorSelectionForFepL(const TCursorSelection& aCursorSelection);

    68     virtual void GetCursorSelectionForFep(TCursorSelection& aCursorSelection) const;

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

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

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

    72     virtual void DoCommitFepInlineEditL();

    73     virtual MCoeFepAwareTextEditor_Extension1* Extension1(TBool& aSetToTrue);

    74     virtual void MCoeFepAwareTextEditor_Reserved_2();    

    75 

    76     // from MCoeFepAwareTextEditor_Extension1

    77     void SetStateTransferingOwnershipL(CState* aState, TUid aTypeSafetyUid);

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

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

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

    81     virtual void MCoeFepAwareTextEditor_Extension1_Reserved_3(){};

    82     virtual void MCoeFepAwareTextEditor_Extension1_Reserved_4(){};

    83 

    84     // from TCoeInputCapabilities::MCoeFepSpecificExtensions

    85     virtual TBool IsValidCharacter(TInt aChar);

    86     virtual void MCoeFepSpecificExtensions_Reserved_1(){};

    87     virtual void MCoeFepSpecificExtensions_Reserved_2(){};

    88 

    89     // from MObjectProvider

    90 	virtual TTypeUid::Ptr MopSupplyObject(TTypeUid aId);	

    91 	

    92     // from MEikCcpuEditor

    93 	virtual TBool CcpuIsFocused() const;

    94 	virtual TBool CcpuCanCut() const;

    95 	virtual void CcpuCutL();

    96 	virtual TBool CcpuCanCopy() const;

    97 	virtual void CcpuCopyL();

    98 	virtual TBool CcpuCanPaste() const;

    99 	virtual void CcpuPasteL();

   100 	virtual TBool CcpuCanUndo() const{return EFalse;}

   101 	virtual void CcpuUndoL(){	}

   102 	   

   103 public:

   104 

   105     void UpdateFlagsState(TUint flags);

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

   107     void UpdateCaseState(TUint currentCase, TUint permittedCase);

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

   109 

   110     void HandleUpdateCursor();

   111     void UpdateInlineText(const TDesC& aText);

   112     void ClearInlineText();    

   113 

   114     void CreateTextFormatMask();        

   115     bool validateTextFormat();

   116 

   117     TBool IsDirectionRTL();

   118     

   119 #if defined(BRDO_BROWSER_50_FF)

   120     void SetAlignment(CAknExtendedInputCapabilities::TInputCapabilities aAlignment);

   121 #endif	// BRDO_BROWSER_50_FF

   122 

   123     bool IsTextAreaFocused() const;

   124     

   125     void EnableCcpu(TBool aSupport);

   126     void DoCcpuCanPasteL() const;

   127     void PlaceDataOnClipboardL();

   128     void RetrieveDataFromClipboardL();

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

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

   131 

   132 private:

   133     void  findPrevSiblingTextLen(Node*, TInt&) const;

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

   135        

   136 private:

   137     CState* m_state;        

   138     WebView* m_webView;

   139     WebTextFormatMask* m_textFormatMask;    

   140     HBufC* m_inlineEditText;

   141     String m_inputTextColor;

   142     CAknExtendedInputCapabilities* m_ExtendedInputCapabilities;

   143     };

   144 

   145 #endif