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// Copyright 2014 The PDFium Authors
// 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 XFA_FXFA_CXFA_FFDOCVIEW_H_
#define XFA_FXFA_CXFA_FFDOCVIEW_H_
#include <list>
#include <vector>
#include "fxjs/gc/heap.h"
#include "v8/include/cppgc/garbage-collected.h"
#include "v8/include/cppgc/member.h"
#include "v8/include/cppgc/visitor.h"
#include "xfa/fxfa/cxfa_eventparam.h"
#include "xfa/fxfa/cxfa_ffdoc.h"
#include "xfa/fxfa/cxfa_ffwidget.h"
#include "xfa/fxfa/fxfa.h"
class CXFA_BindItems;
class CXFA_FFDoc;
class CXFA_FFWidgetHandler;
class CXFA_Node;
class CXFA_Subform;
class CXFA_ViewLayoutItem;
extern const XFA_AttributeValue kXFAEventActivity[];
class CXFA_FFDocView : public cppgc::GarbageCollected<CXFA_FFDocView> {
public:
enum class LayoutStatus : uint8_t { kNone, kStart, kDoing, kEnd };
class UpdateScope {
CPPGC_STACK_ALLOCATED();
public:
explicit UpdateScope(CXFA_FFDocView* pDocView);
~UpdateScope();
private:
UnownedPtr<CXFA_FFDocView> const m_pDocView;
};
CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
~CXFA_FFDocView();
void Trace(cppgc::Visitor* visitor) const;
CXFA_FFDoc* GetDoc() const { return m_pDoc; }
int32_t StartLayout();
int32_t DoLayout();
void StopLayout();
void SetLayoutEvent() { m_bLayoutEvent = true; }
bool InLayoutStatus() const { return m_bInLayoutStatus; }
LayoutStatus GetLayoutStatus() const { return m_iStatus; }
void UpdateDocView();
void UpdateUIDisplay(CXFA_Node* pNode, CXFA_FFWidget* pExcept);
int32_t CountPageViews() const;
CXFA_FFPageView* GetPageView(int32_t nIndex) const;
void ResetNode(CXFA_Node* pNode);
CXFA_Node* GetRootSubform();
CXFA_FFWidgetHandler* GetWidgetHandler();
CXFA_FFWidget* GetFocusWidget() const { return m_pFocusWidget; }
bool SetFocus(CXFA_FFWidget* pNewFocus);
CXFA_FFWidget* GetWidgetForNode(CXFA_Node* node);
CXFA_FFWidget* GetWidgetByName(const WideString& wsName,
CXFA_FFWidget* pRefWidget);
CXFA_LayoutProcessor* GetLayoutProcessor() const;
void OnPageViewEvent(CXFA_ViewLayoutItem* pSender,
CXFA_FFDoc::PageViewEvent eEvent);
void LockUpdate() { m_iLock++; }
void UnlockUpdate() { m_iLock--; }
void InvalidateRect(CXFA_FFPageView* pPageView,
const CFX_RectF& rtInvalidate);
void RunDocClose();
void ProcessValueChanged(CXFA_Node* node);
void SetChangeMark();
void AddValidateNode(CXFA_Node* node);
void AddCalculateNodeNotify(CXFA_Node* pNodeChange);
void AddCalculateNode(CXFA_Node* node);
bool RunLayout();
void AddNewFormNode(CXFA_Node* pNode);
void AddIndexChangedSubform(CXFA_Subform* pNode);
CXFA_Node* GetFocusNode() const { return m_pFocusNode; }
void SetFocusNode(CXFA_Node* pNode);
void DeleteLayoutItem(CXFA_FFWidget* pWidget);
XFA_EventError ExecEventActivityByDeepFirst(CXFA_Node* pFormNode,
XFA_EVENTTYPE eEventType,
bool bIsFormReady,
bool bRecursive);
void AddBindItem(CXFA_BindItems* item) { m_BindItems.push_back(item); }
void AddNullTestMsg(const WideString& msg);
private:
explicit CXFA_FFDocView(CXFA_FFDoc* pDoc);
bool RunEventLayoutReady();
void RunBindItems();
void InitCalculate(CXFA_Node* pNode);
void InitLayout(CXFA_Node* pNode);
size_t RunCalculateRecursive(size_t index);
void ShowNullTestMsg();
bool ResetSingleNodeData(CXFA_Node* pNode);
bool IsUpdateLocked() const { return m_iLock > 0; }
bool InitValidate(CXFA_Node* pNode);
bool RunValidate();
XFA_EventError RunCalculateWidgets();
void RunSubformIndexChange();
cppgc::Member<CXFA_FFDoc> const m_pDoc;
cppgc::Member<CXFA_FFWidgetHandler> m_pWidgetHandler;
cppgc::Member<CXFA_Node> m_pFocusNode;
cppgc::Member<CXFA_FFWidget> m_pFocusWidget;
std::list<cppgc::Member<CXFA_Node>> m_ValidateNodes;
std::vector<cppgc::Member<CXFA_Node>> m_CalculateNodes;
std::list<cppgc::Member<CXFA_BindItems>> m_BindItems;
std::list<cppgc::Member<CXFA_Node>> m_NewAddedNodes;
std::list<cppgc::Member<CXFA_Subform>> m_IndexChangedSubforms;
std::vector<WideString> m_NullTestMsgArray;
bool m_bLayoutEvent = false;
bool m_bInLayoutStatus = false;
LayoutStatus m_iStatus = LayoutStatus::kNone;
int32_t m_iLock = 0;
};
#endif // XFA_FXFA_CXFA_FFDOCVIEW_H_