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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 XFA_FXFA_CXFA_FFPAGEVIEW_H_
#define XFA_FXFA_CXFA_FFPAGEVIEW_H_
#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/fxfa.h"
#include "xfa/fxfa/layout/cxfa_contentlayoutitem.h"
#include "xfa/fxfa/layout/cxfa_traversestrategy_layoutitem.h"
#include "xfa/fxfa/layout/cxfa_viewlayoutitem.h"
class CXFA_FFWidget;
class CXFA_FFDocView;
class CXFA_FFPageView final : public cppgc::GarbageCollected<CXFA_FFPageView> {
public:
CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
~CXFA_FFPageView();
void Trace(cppgc::Visitor* visitor) const;
CXFA_ViewLayoutItem* GetLayoutItem() const { return m_pLayoutItem; }
void SetLayoutItem(CXFA_ViewLayoutItem* pItem) { m_pLayoutItem = pItem; }
CXFA_FFDocView* GetDocView() const;
CFX_RectF GetPageViewRect() const;
CFX_Matrix GetDisplayMatrix(const FX_RECT& rtDisp, int32_t iRotate) const;
// These always return a non-null iterator from the gc heap.
IXFA_WidgetIterator* CreateGCedFormWidgetIterator(uint32_t dwWidgetFilter);
IXFA_WidgetIterator* CreateGCedTraverseWidgetIterator(
uint32_t dwWidgetFilter);
private:
CXFA_FFPageView(CXFA_FFDocView* pDocView, CXFA_Node* pPageArea);
cppgc::Member<CXFA_Node> const m_pPageArea;
cppgc::Member<CXFA_FFDocView> const m_pDocView;
cppgc::Member<CXFA_ViewLayoutItem> m_pLayoutItem;
};
class CXFA_FFPageWidgetIterator final
: public cppgc::GarbageCollected<CXFA_FFPageWidgetIterator>,
public IXFA_WidgetIterator {
public:
CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
~CXFA_FFPageWidgetIterator() override;
void Trace(cppgc::Visitor* visitor) const {}
void Reset() override;
CXFA_FFWidget* MoveToFirst() override;
CXFA_FFWidget* MoveToLast() override;
CXFA_FFWidget* MoveToNext() override;
CXFA_FFWidget* MoveToPrevious() override;
CXFA_FFWidget* GetCurrentWidget() override;
bool SetCurrentWidget(CXFA_FFWidget* hWidget) override;
private:
CXFA_FFPageWidgetIterator(CXFA_FFPageView* pPageView, uint32_t dwFilter);
CXFA_LayoutItemIterator m_sIterator;
const uint32_t m_dwFilter;
const bool m_bIgnoreRelevant;
};
class CXFA_FFTabOrderPageWidgetIterator final
: public cppgc::GarbageCollected<CXFA_FFTabOrderPageWidgetIterator>,
public IXFA_WidgetIterator {
public:
CONSTRUCT_VIA_MAKE_GARBAGE_COLLECTED;
~CXFA_FFTabOrderPageWidgetIterator() override;
void Trace(cppgc::Visitor* visitor) const;
void Reset() override;
CXFA_FFWidget* MoveToFirst() override;
CXFA_FFWidget* MoveToLast() override;
CXFA_FFWidget* MoveToNext() override;
CXFA_FFWidget* MoveToPrevious() override;
CXFA_FFWidget* GetCurrentWidget() override;
bool SetCurrentWidget(CXFA_FFWidget* hWidget) override;
private:
CXFA_FFTabOrderPageWidgetIterator(CXFA_FFPageView* pPageView,
uint32_t dwFilter);
CXFA_FFWidget* GetTraverseWidget(CXFA_FFWidget* pWidget);
CXFA_FFWidget* FindWidgetByName(const WideString& wsWidgetName,
CXFA_FFWidget* pRefWidget);
void CreateTabOrderWidgetArray();
std::vector<CXFA_ContentLayoutItem*> CreateSpaceOrderLayoutItems();
cppgc::Member<CXFA_ViewLayoutItem> const m_pPageViewLayout;
std::vector<cppgc::Member<CXFA_ContentLayoutItem>> m_TabOrderWidgetArray;
const uint32_t m_dwFilter;
int32_t m_iCurWidget = -1;
const bool m_bIgnoreRelevant;
};
#endif // XFA_FXFA_CXFA_FFPAGEVIEW_H_