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/*
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* Copyright (c) 2002-2003 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of the License "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: The CView class is responsible for displaying the box tree,
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* handling user input events such as scrolling and navigating links.
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*
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*/
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#ifndef __MVCVIEW_H
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#define __MVCVIEW_H
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// INCLUDES
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#include <eikbctrl.h>
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#include <eikscrlb.h>
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#include <cenrepnotifyhandler.h>
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#include <e32std.h>
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#include <e32def.h>
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#include <f32file.h>
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#include <aknpictographinterface.h>
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#include <aknpictographdrawerinterface.h>
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#include <brctldefs.h>
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#include <brctldialogsprovider.h>
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#include "BrsrStatusCodes.h"
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#include "ImageUtils.h"
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#include "LMgrBoxTreeListener.h"
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#include "BrsrTypes.h"
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#include "nw_gdi_types.h"
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#include "nw_evt_scrollevent.h"
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#include "CBrowserSettings.h"
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#include "BrCtl.h"
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#include <MemoryManager.h>
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#include "pagescaler.h"
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#include "wmlcontrol.h"
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template <class T> class CArrayPtrFlat;
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// CONSTANTS
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const TInt KPanicKmViewPanicBase = -9000;
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const TInt KPanicKmViewTlsNotInitialized = KPanicKmViewPanicBase - 1;
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const TInt KPanicKmViewSingletonAlreadyCreated = KPanicKmViewPanicBase - 2;
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const TInt KPanicKmViewTlsViewPointerIsNull = KPanicKmViewPanicBase - 3;
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// MACROS
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// DATA TYPES
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typedef enum
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{
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EKmEvAddToPhoneBook,
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EKmEvMakeCall,
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EKmEvRemoveFileName,
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EKmEvOpenToExternalApp,
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EKmEvDownloadObject
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} TKimonoEventType;
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// FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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class CEikScrollBarFrame;
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class CAknNavigationDecorator;
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class CPtrC8Array;
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class CViewAsyncInit;
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class MViewListener;
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class CShell;
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//class CBrCtl;
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class TBrCtlImageCarrier;
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class MViewFocusObserver;
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// CLASS DECLARATIONS
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class MBrCtlStateChangeObserver;
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/**
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* CView
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* The CView class is responsible for displaying the box tree, and
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* handling user input events such as scrolling and navigating links.
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*
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* @lib browserengine.dll
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* @since 2.x
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*/
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NONSHARABLE_CLASS(CView) : public CEikBorderedControl, public MCenRepNotifyHandlerCallback,
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public MAknPictographAnimatorCallBack, public MBoxTreeListener, private MPageScalerCallback
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{
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public:
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static CView* NewL(CCoeControl* aParent, CBrCtl* aBrCtl, TRect& aRect, CWmlControl* aWmlControl );
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~CView();
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TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);
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TBrCtlDefs::TBrCtlElementType GetFocusedElementType();
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NW_Bool InputElementEditComplete(TBool aInputConfirmed);
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void HandleActivationEvent();
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void GenerateAndProcessEvent(const TKimonoEventType& aEvent);
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/**
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* SetBrowserSettingL
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* Set the setting's value.
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* @since 2.x
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* @param TUint setting - the number of the setting you wish to set.
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* This corresponds to a value in the TBrowserSettings enum
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* @param TUint value - the value you wish to set for the setting
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* If the value is true/false use 1/0 otherwise the value must correspond
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* to a value in either one of the following enumerated types:
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* TBrowserFontSizeLevel or TBrowserFullScreenValue
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* @return void
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*/
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void SetBrowserSettingL(TUint aSetting, TUint aValue);
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/**
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* GetBrowserSettingL
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* Get the setting's value.
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* @since 2.x
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* @param TUint setting - the setting whose value you wish to retrieve
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* @return TUint - value of the setting (as an integer). For true/false
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* 1/0 will be returned. For other settings, the return value will correspond
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* with one of the following enumerated types: TBrowserFontSizeLevel or
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* TBrowserFullScreenValue
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*/
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TUint GetBrowserSettingL(TUint aSetting) const;
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CArrayFixFlat<TBrCtlImageCarrier>* GetPageImagesL();
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void SwitchVerticalLayout ();
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void DrawPictographsInText(CBitmapContext& aGc, const CFont& aFont, const TDesC& aText, const TPoint& aPosition);
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/**
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* Check to see if we are in image map view
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*
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* @param None
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* @return TBool ETrue if we are in image map view, EFalse otherwise
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*/
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inline TBool IsImageMapView() { return iIsImageMapView; };
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/**
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* This method is called if we are in image map view to create an image list
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* that just contains the one image shown in the image map view.
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*
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* @param None
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* @return TBool ETrue if we are in image map view, EFalse otherwise
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*/
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void GetViewImageList(void* aDynamicVector);
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// Return the number of active elements in the page
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TUint GetActiveElements();
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/**
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*
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* @param box
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* @return NW_Bool NW_TRUE, if vox is just placeholder (0,0;0x0)
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* NW_FALSE otherwise;
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*/
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NW_Bool
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IsZeroBox (const NW_LMgr_Box_t* box) const;
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// Redraw the positioned box on top every time that something was redrawn
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TBrowserStatusCode DrawPositionedBoxes();
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// Any slow browser initialization can happen here
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void AsyncInit();
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TBrowserStatusCode Draw (const NW_Bool);
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public: // from MBrowserSettingsObserver
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void BrowserSettingChanged( enum TBrowserSetting aBrowserSetting );
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protected: // From CCoeControl
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void HandlePointerEventL(const TPointerEvent& aPointerEvent);
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void FocusChanged(TDrawNow aDrawNow);
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void SizeChanged();
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void Draw(const TRect& aRect) const;
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TInt CountComponentControls() const;
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CCoeControl* ComponentControl(TInt aIndex) const;
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protected:
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void HandleResourceChange(TInt aType);
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private: // from MSharedDataNotifyHandler
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void HandleNotifyString(TUint32 aKeyId, const TDesC16& aValue);
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private: // from MAknPictographDrawerCallBack
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void DrawPictographArea();
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protected:
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TKeyResponse DoHandleControlKeysL(const TKeyEvent& aKeyEvent);
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private: // from MPageScalerCallback
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void DrawDocumentPart( CFbsBitGc& aGc, CFbsBitmap* /*aBitmap*/, const TRect& aDocumentAreaToDraw );
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TRect DocumentViewport() ;
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void ScaledPageChanged( const TRect& aRect, TBool aFullScreen, TBool aScroll );
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TSize DocumentSize();
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TBool TouchScrolling() { return EFalse; }
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CCoeControl& PageControlView() { return *(iBrCtl->CCoeControlParent());}
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private:
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CView(CBrCtl* aBrCtl);
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void ConstructL(CCoeControl* aParent, TRect& aRect, CWmlControl* aWmlControl );
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TBrowserStatusCode Cancel ();
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void CreateOffscreenBitmapL( const TRect& aRect );
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// Any slow browser initialization can happen here
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void AsyncInitL();
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// Delete entries in a given directory
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void DeleteDirectoryEntriesL(RFs& aRfs, TPtrC16& aFilePath);
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NW_Bool DispatchEvent (const NW_Evt_Event_t* event);
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TBrowserStatusCode FormatPartial ();
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NW_LMgr_Box_t* GetNextSiblingBox (const NW_LMgr_Box_t* box);
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TBrowserStatusCode InitializeTree (NW_LMgr_RootBox_t *rootBox, TBool isFormatingBoxTree);
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//
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void InitializePageScalerL();
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public: // but not exported. For Kimono internal use ("C" side)
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void SetFormattingPriority( CActive::TPriority aPriority );
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TInt AppendFocusObserver(MViewFocusObserver* aViewFocusObserver);
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TInt AddStateChangeObserver(MBrCtlStateChangeObserver* aBrCtlStateChangeObserver);
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void BoxTreeDestroyed ();
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TBool ValidateAddedIndex(NW_LMgr_Box_t* aBox, NW_LMgr_Box_t* aMasterBox);
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TBrowserStatusCode BoxTreeListenerAppendTabItem (NW_LMgr_Box_t* box);
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TBrowserStatusCode BoxTreeListenerRelayout (NW_Bool createTabList);
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TBrowserStatusCode Collapse (NW_LMgr_FlowBox_t* containingFlow, NW_Bool collapseAnonymous);
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TBrowserStatusCode CreateTabIndexList ();
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void DoScrollL(const TInt16 aScrollDirection, const TUint32 aScrollDelta);
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void EnableSuppressDupReformats (NW_Int16 state);
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void EpocDrawNow (NW_Bool drawNow);
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NW_Bool EpocProcessEvent (const NW_Evt_Event_t* event);
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void ExternalLayoutSwitch ();
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TBrowserStatusCode ForceCurrentBox (NW_LMgr_Box_t* newbox, NW_Bool isNewPage, NW_Bool isRefreshNeeded);
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TBrowserStatusCode FormatBoxTree (NW_Bool createTabList);
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void FormattingComplete ();
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NW_ADT_Vector_Metric_t GetActiveBoxId ();
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NW_LMgr_Box_t* GetInFocusBox () const;
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NW_LMgr_Box_t* GetLastVisibleBox () const;
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NW_LMgr_Box_t* GetNextEventListener (NW_LMgr_BoxVisitor_t* boxVisitor);
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const NW_GDI_Point2D_t* GetOrigin ();
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void* GetScroll () const;
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TBrowserStatusCode GetScrollRange (NW_GDI_Point2D_t* scrollRange);
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NW_LMgr_Box_t* GetVisibleBox () const;
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NW_LMgr_Box_t* GetVisibleBoxReverse () const;
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NW_Bool GetXScrollAmt (const NW_LMgr_Box_t* box, NW_Int32* scrollDelta, NW_Evt_ScrollEvent_Direction_t* scrollDir, NW_Bool scrollMaxAmt) const;
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NW_Bool GetYScrollAmt (const NW_LMgr_Box_t* box, NW_Int32* scrollDelta, NW_Evt_ScrollEvent_Direction_t* scrollDir, NW_Bool scrollMaxAmt) const;
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TBrowserStatusCode GotoActiveBox (NW_ADT_Vector_Metric_t activeBoxId);
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TBrowserStatusCode GotoBox (NW_LMgr_Box_t* box);
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void HandleError (TBrowserStatusCode status);
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NW_Bool HandleGNavigation (NW_Uint32 tabIndex);
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static TBrowserStatusCode InputInvalid(void* aCEpoc32View, TInt aMin);
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static TBrowserStatusCode InputInvalidL(void* aCEpoc32View, TInt aMin);
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NW_Bool IsBoxVisible (const NW_LMgr_Box_t* box, NW_GDI_Rectangle_t *bounds) const;
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TBrowserStatusCode JumpToLink (const NW_LMgr_Box_t* box, NW_Bool scrollMaxAmt);
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NW_Bool ProcessAccessKey (const NW_Evt_KeyEvent_t* event);
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NW_Bool ProcessEvent (const NW_Evt_Event_t* event);
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TBrowserStatusCode RedrawDisplay (NW_Bool drawNow);
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TBrowserStatusCode ReformatBox (NW_LMgr_Box_t* box);
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TBrowserStatusCode Refresh (NW_LMgr_Box_t* box);
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TBrowserStatusCode Relayout (NW_Bool createTabList);
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void RemoveFocusObserver(MViewFocusObserver* aViewFocusObserver);
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void RemoveStateChangeObserver(MBrCtlStateChangeObserver* aBrCtlStateChangeObserver);
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NW_Bool ScrollAfterCurrentBox (const NW_LMgr_Box_t* box, NW_Bool scrollMaxAmt);
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void SetAppServices(void *appServices); // appservices are of type NW_HED_AppServices
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TInt SetBoxTree(const NW_LMgr_Box_t* boxTree); // return value is TBrowserStatusCode
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TBrowserStatusCode SetCurrentMasterBox ();
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TBrowserStatusCode SetDeviceContext (CGDIDeviceContext* deviceContext);
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TBrowserStatusCode SetDisplayExtents (NW_GDI_Rectangle_t* displayExtents);
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void SetShell(CShell* shell);
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TBrowserStatusCode SetListener (MViewListener* viewListener);
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TBrowserStatusCode SetOrigin (NW_GDI_Point2D_t* origin);
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void StartCSSApply ();
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void DisableAnimation();
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void EnableAnimation();
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TBrowserStatusCode SwitchFromImageMapView ();
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TBrowserStatusCode SwitchToImageMapView ();
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TBrowserStatusCode SwitchVerticalLayout (NW_Bool aFormatBoxTree, NW_Bool aSwitchBox);
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void UpdateCBAs () const;
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void UpdateScrollBarsL(CEikScrollBar::TOrientation aOrientation,const TInt aThumbPos ,const TInt aScrollSpan);
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TBrowserStatusCode UpdateHScrollBar () const;
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TBrowserStatusCode UpdateVScrollBar () const;
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inline NW_LMgr_Box_t* GetCurrentBox () { return iCurrentBox; };
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inline CGDIDeviceContext* GetDeviceContext () { return iDeviceContext; };
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inline void* GetParentWindow () { return this; };
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inline NW_GDI_Dimension2D_t GetScrollAmt () {return iScrollAmt;};
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inline NW_ADT_DynamicVector_t* GetTabList () {return iTabList;};
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inline NW_LMgr_RootBox_t* GetRootBox () { return iRootBox; };
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inline NW_GDI_Dimension2D_t GetVisibleAmt () {return iVisibleAmt;} ;
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inline NW_Bool IsForcedReformatNeeded () { return iForceReformatNeeded; };
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inline void ForcedReformatNeeded () { iForceReformatNeeded = NW_TRUE; };
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inline void SetCurrentBox (NW_LMgr_Box_t* aCurrentBox) { iCurrentBox = aCurrentBox; };
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inline void SetInitialActiveBoxId (NW_ADT_Vector_Metric_t aInitialActiveBoxId) {iInitialActiveBoxId = aInitialActiveBoxId; };
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inline void SetInitialDocPosition (NW_GDI_Metric_t aX, NW_GDI_Metric_t aY) { iInitialDocPosition.x = aX; iInitialDocPosition.y = aY; };
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inline CPageScaler* PageScaler() { return iPageScaler; }
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TBrowserStatusCode SetAnchorName (NW_Text_t *anchorName);
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void ContentSize(TSize& aContentSize) ;
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NW_Bool FormatPositionedBoxes ();
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void ScrollTo(TPoint aPoint);
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public:
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CBrCtl* BrCtl() {return iBrCtl;}
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void DrawHistory( CFbsBitGc& aGc, const TRect& aDocumentAreaToDraw ) const;
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420 |
|
|
421 |
private:
|
|
422 |
TBrowserStatusCode AppendTabItem (NW_LMgr_Box_t* box);
|
|
423 |
|
|
424 |
void DeleteOptionItems ();
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|
425 |
|
|
426 |
NW_GDI_Rectangle_t GetBoxDisplayBounds (NW_LMgr_Box_t* aBox);
|
|
427 |
|
|
428 |
TBrowserStatusCode GetBoxTabIndex (NW_LMgr_Box_t* box, NW_ADT_Vector_Metric_t* index);
|
|
429 |
|
|
430 |
TBrowserStatusCode HandleFormattingComplete ();
|
|
431 |
|
|
432 |
NW_Bool ProcessFontSizeChangeEvent ();
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|
433 |
|
|
434 |
NW_Bool ProcessScrollEvent (const NW_Evt_ScrollEvent_t* scrollEvent);
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|
435 |
|
|
436 |
NW_Bool ProcessTabEvent (const NW_Evt_TabEvent_t* tabEvent);
|
|
437 |
|
|
438 |
void SetBoxFormatBounds (NW_LMgr_Box_t* aBox, NW_GDI_Rectangle_t aBoxBounds);
|
|
439 |
|
|
440 |
TBrowserStatusCode SetupTableFormat (NW_Bool /*relayoutEvent*/);
|
|
441 |
|
|
442 |
TBrowserStatusCode UpdateScrollBars () const;
|
|
443 |
|
|
444 |
void GetParentBox(NW_LMgr_Box_t* parentBox, NW_LMgr_Box_t** pReturnedParentBox);
|
|
445 |
void CancelPeriodicTimer();
|
|
446 |
static TInt PeriodicTimerCallBack(TAny* aAny);
|
|
447 |
private:
|
|
448 |
CBitmapContext* iBitmapContext;
|
|
449 |
CBitmapDevice* iBitmapDevice;
|
|
450 |
TInt iLastRepeats; // To signify long keypresses
|
|
451 |
RPointerArray<MViewListener> iListeners;
|
|
452 |
CFbsBitmap* iOffscreenBitmap;
|
|
453 |
CShell* iShell;
|
|
454 |
CBrCtl* iBrCtl;
|
|
455 |
CAknPictographInterface* iPictographInterface;
|
|
456 |
|
|
457 |
CPageScaler* iPageScaler;
|
|
458 |
|
|
459 |
|
|
460 |
|
|
461 |
CRepository* iRepository;
|
|
462 |
CCenRepNotifyHandler* iNotifyHandler;
|
|
463 |
|
|
464 |
RPointerArray <MViewFocusObserver> iViewFocusObserver;
|
|
465 |
RPointerArray <MBrCtlStateChangeObserver> iStateChangeObserver;
|
|
466 |
CViewAsyncInit* iViewAsyncInit;
|
|
467 |
TInt iVScrollPosition;
|
|
468 |
|
|
469 |
/* The layout manager context */
|
|
470 |
CArrayPtrFlat<NW_LMgr_RootBox_t>* iRootBoxArray;
|
|
471 |
|
|
472 |
void* iBoxFormatHandler;
|
|
473 |
NW_Bool iCreateTabList;
|
|
474 |
NW_LMgr_Box_t* iCurrentBox;
|
|
475 |
CGDIDeviceContext* iDeviceContext;
|
|
476 |
NW_Bool iExternalLayoutSwitch;
|
|
477 |
NW_Bool iIsImageMapView;
|
|
478 |
NW_ADT_DynamicVector_t* iOptionItemList; /* for clean up purpose */
|
|
479 |
NW_ADT_DynamicVector_t* iTabList;
|
|
480 |
NW_LMgr_RootBox_t* iRootBox;
|
|
481 |
|
|
482 |
/* Scroll data */
|
|
483 |
void* iScroll;
|
|
484 |
NW_GDI_Dimension2D_t iMaxScrollAmt;
|
|
485 |
NW_GDI_Dimension2D_t iScrollAmt;
|
|
486 |
NW_GDI_Dimension2D_t iVisibleAmt;
|
|
487 |
TPoint iLastPosition;
|
|
488 |
|
|
489 |
NW_Bool iDrawNow;
|
|
490 |
|
|
491 |
TBool iDocumentFinished;
|
|
492 |
|
|
493 |
|
|
494 |
/*the initial box id and initial docposition , is used after
|
|
495 |
the formatting is complete */
|
|
496 |
NW_ADT_Vector_Metric_t iInitialActiveBoxId;
|
|
497 |
NW_GDI_Point2D_t iInitialDocPosition;
|
|
498 |
|
|
499 |
/*
|
|
500 |
** Used to suppress duplicate reformats when a single image is repeated
|
|
501 |
** several times within the same page.
|
|
502 |
*/
|
|
503 |
NW_Int16 iSuppressDupReformats;
|
|
504 |
NW_LMgr_Box_t* iPendingReformatBox;
|
|
505 |
NW_Bool iForceReformatNeeded;
|
|
506 |
NW_Text_t *iAnchorName;
|
|
507 |
CActive::TPriority iFormatPriority;
|
|
508 |
CWmlControl* iWmlControl;
|
|
509 |
TBool iShouldActivate;
|
|
510 |
TBool iDrag;
|
|
511 |
CPeriodic* iPeriodicTimer;
|
|
512 |
};
|
|
513 |
|
|
514 |
#endif // EPOC32VIEW_H
|
|
515 |
|
|
516 |
// End of File
|
|
517 |
|
|
518 |
|