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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

#ifndef FXFA_SRC_APP_XFA_FFDOCVIEW_H_
#define FXFA_SRC_APP_XFA_FFDOCVIEW_H_

#include "xfa_ffdoc.h"

class CXFA_FFPageView;
class CXFA_FFWidgetHandler;
class CXFA_FFDoc;
class CXFA_FFWidget;
extern const XFA_ATTRIBUTEENUM gs_EventActivity[];
enum XFA_DOCVIEW_LAYOUTSTATUS {
    XFA_DOCVIEW_LAYOUTSTATUS_None,
    XFA_DOCVIEW_LAYOUTSTATUS_Start,
    XFA_DOCVIEW_LAYOUTSTATUS_FormInitialize,
    XFA_DOCVIEW_LAYOUTSTATUS_FormInitCalculate,
    XFA_DOCVIEW_LAYOUTSTATUS_FormInitValidate,
    XFA_DOCVIEW_LAYOUTSTATUS_FormFormReady,
    XFA_DOCVIEW_LAYOUTSTATUS_Doing,
    XFA_DOCVIEW_LAYOUTSTATUS_PagesetInitialize,
    XFA_DOCVIEW_LAYOUTSTATUS_PagesetInitCalculate,
    XFA_DOCVIEW_LAYOUTSTATUS_PagesetInitValidate,
    XFA_DOCVIEW_LAYOUTSTATUS_PagesetFormReady,
    XFA_DOCVIEW_LAYOUTSTATUS_LayoutReady,
    XFA_DOCVIEW_LAYOUTSTATUS_DocReady,
    XFA_DOCVIEW_LAYOUTSTATUS_End,
    XFA_DOCVIEW_LAYOUTSTATUS_Next,
};
class CXFA_FFDocView : public IXFA_DocView
{
public:
    CXFA_FFDocView(CXFA_FFDoc* pDoc);
    ~CXFA_FFDocView();

    virtual IXFA_Doc* GetDoc() { return m_pDoc; }
    virtual	FX_INT32		StartLayout(FX_INT32 iStartPage = 0);
    virtual FX_INT32		DoLayout(IFX_Pause *pPause = NULL);
    virtual void			StopLayout();
    virtual FX_INT32		GetLayoutStatus();
    virtual	void			UpdateDocView();
    virtual FX_INT32		CountPageViews();
    virtual IXFA_PageView*	GetPageView(FX_INT32 nIndex);
    virtual XFA_HWIDGET		GetWidgetByName(FX_WSTR wsName);
    virtual CXFA_WidgetAcc* GetWidgetAccByName(FX_WSTR wsName);
    virtual void			ResetWidgetData(CXFA_WidgetAcc* pWidgetAcc = NULL);
    virtual FX_INT32		ProcessWidgetEvent(CXFA_EventParam* pParam, CXFA_WidgetAcc* pWidgetAcc = NULL);
    virtual IXFA_WidgetHandler*			GetWidgetHandler();
    virtual IXFA_WidgetIterator*		CreateWidgetIterator();
    virtual IXFA_WidgetAccIterator*		CreateWidgetAccIterator(XFA_WIDGETORDER eOrder = XFA_WIDGETORDER_PreOrder);
    virtual XFA_HWIDGET		GetFocusWidget();
    virtual void			KillFocus();
    virtual FX_BOOL			SetFocus(XFA_HWIDGET hWidget);
    CXFA_FFWidget*		GetWidgetByName(FX_WSTR wsName, CXFA_FFWidget* pRefWidget = NULL);
    CXFA_WidgetAcc*		GetWidgetAccByName(FX_WSTR wsName, CXFA_WidgetAcc* pRefWidgetAcc = NULL);
    IXFA_DocLayout*		GetXFALayout() const;
    void				OnPageEvent(IXFA_LayoutPage *pSender, XFA_PAGEEVENT eEvent, FX_INT32 iPageIndex);
    void				LockUpdate();
    void				UnlockUpdate();
    FX_BOOL				IsUpdateLocked();
    void				ClearInvalidateList();
    void				AddInvalidateRect(CXFA_FFWidget* pWidget, const CFX_RectF &rtInvalidate);
    void				AddInvalidateRect(IXFA_PageView* pPageView, const CFX_RectF &rtInvalidate);
    void				RunInvalidate();
    void				RunDocClose();
    void				DestroyDocView();

    FX_BOOL				InitValidate(CXFA_Node* pNode);
    FX_BOOL				RunValidate();

    void				SetChangeMark();

    void				AddValidateWidget(CXFA_WidgetAcc* pWidget);
    void				AddCalculateNodeNotify(CXFA_Node* pNodeChange);
    void				AddCalculateWidgetAcc(CXFA_WidgetAcc* pWidgetAcc);
    FX_INT32			RunCalculateWidgets();
    FX_BOOL				IsStaticNotify();
    FX_BOOL				RunLayout();
    void				RunSubformIndexChange();
    void				AddNewFormNode(CXFA_Node* pNode);
    void				AddIndexChangedSubform(CXFA_Node* pNode);
    CXFA_WidgetAcc*		GetFocusWidgetAcc();
    void				SetFocusWidgetAcc(CXFA_WidgetAcc* pWidgetAcc);
    void				DeleteLayoutItem(CXFA_FFWidget* pWidget);
    FX_INT32			ExecEventActivityByDeepFirst(CXFA_Node* pFormNode, XFA_EVENTTYPE eEventType, FX_BOOL bIsFormReady = FALSE, FX_BOOL bRecursive = TRUE, CXFA_Node* pExclude = NULL);
    FX_BOOL				m_bLayoutEvent;
    CFX_WideStringArray	m_arrNullTestMsg;
    CXFA_FFWidget*		m_pListFocusWidget;
    FX_BOOL				m_bInLayoutStatus;
protected:
    FX_BOOL				RunEventLayoutReady();
    void				RunBindItems();
    FX_BOOL				InitCalculate(CXFA_Node* pNode);
    void				InitLayout(CXFA_Node* pNode);
    void				RunCalculateRecursive(FX_INT32& iIndex);
    void				ShowNullTestMsg();
    FX_BOOL				ResetSingleWidgetAccData(CXFA_WidgetAcc* pWidgetAcc);
    CXFA_Node*			GetRootSubform();
    CXFA_FFDoc*							m_pDoc;
    CXFA_FFWidgetHandler*				m_pWidgetHandler;
    IXFA_DocLayout*						m_pXFADocLayout;
    CXFA_WidgetAcc*						m_pFocusAcc;
    CXFA_FFWidget*						m_pFocusWidget;
    CXFA_FFWidget*						m_pOldFocusWidget;
    CFX_MapPtrToPtr						m_mapPageInvalidate;
    CFX_PtrArray						m_ValidateAccs;
    CFX_PtrArray						m_bindItems;
    CFX_PtrArray						m_CalculateAccs;

    CFX_PtrArray						m_NewAddedNodes;
    CFX_PtrArray						m_IndexChangedSubforms;
    XFA_DOCVIEW_LAYOUTSTATUS			m_iStatus;
    FX_INT32							m_iLock;
    friend class CXFA_FFNotify;
};
class CXFA_FFDocWidgetIterator : public IXFA_WidgetIterator
{
public:
    CXFA_FFDocWidgetIterator(CXFA_FFDocView* pDocView, CXFA_Node* pTravelRoot);
    ~CXFA_FFDocWidgetIterator();

    virtual void				Release()
    {
        delete this;
    }

    virtual void				Reset();
    virtual XFA_HWIDGET			MoveToFirst();
    virtual XFA_HWIDGET			MoveToLast();
    virtual XFA_HWIDGET			MoveToNext();
    virtual XFA_HWIDGET			MoveToPrevious();
    virtual XFA_HWIDGET			GetCurrentWidget();
    virtual FX_BOOL				SetCurrentWidget(XFA_HWIDGET hWidget);
protected:
    CXFA_ContainerIterator		m_ContentIterator;
    CXFA_FFDocView*				m_pDocView;
    CXFA_FFWidget*				m_pCurWidget;
};
class CXFA_WidgetAccIterator : public IXFA_WidgetAccIterator
{
public:
    CXFA_WidgetAccIterator(CXFA_FFDocView* pDocView, CXFA_Node* pTravelRoot);
    ~CXFA_WidgetAccIterator();
    virtual void				Release()
    {
        delete this;
    }
    virtual void				Reset();
    virtual CXFA_WidgetAcc*		MoveToFirst();
    virtual CXFA_WidgetAcc*		MoveToLast();
    virtual CXFA_WidgetAcc*		MoveToNext();
    virtual CXFA_WidgetAcc*		MoveToPrevious();
    virtual CXFA_WidgetAcc*		GetCurrentWidgetAcc();
    virtual FX_BOOL				SetCurrentWidgetAcc(CXFA_WidgetAcc* hWidget);
    virtual void				SkipTree();
protected:
    CXFA_ContainerIterator		m_ContentIterator;
    CXFA_FFDocView*				m_pDocView;
    CXFA_WidgetAcc*				m_pCurWidgetAcc;
};

#endif  // FXFA_SRC_APP_XFA_FFDOCVIEW_H_