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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 <memory>
#include <vector>
#include "core/fxcrt/observed_ptr.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 : public Observable {
public:
CXFA_FFPageView(CXFA_FFDocView* pDocView, CXFA_Node* pPageArea);
~CXFA_FFPageView();
CXFA_ViewLayoutItem* GetLayoutItem() const { return m_pLayoutItem.Get(); }
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.
std::unique_ptr<IXFA_WidgetIterator> CreateFormWidgetIterator(
uint32_t dwWidgetFilter);
std::unique_ptr<IXFA_WidgetIterator> CreateTraverseWidgetIterator(
uint32_t dwWidgetFilter);
private:
UnownedPtr<CXFA_Node> const m_pPageArea;
UnownedPtr<CXFA_FFDocView> const m_pDocView;
UnownedPtr<CXFA_ViewLayoutItem> m_pLayoutItem;
};
class CXFA_FFPageWidgetIterator final : public IXFA_WidgetIterator {
public:
CXFA_FFPageWidgetIterator(CXFA_FFPageView* pPageView, uint32_t dwFilter);
~CXFA_FFPageWidgetIterator() override;
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_FFWidget* GetWidget(CXFA_LayoutItem* pLayoutItem);
UnownedPtr<CXFA_FFPageView> m_pPageView;
UnownedPtr<CXFA_FFWidget> m_hCurWidget;
uint32_t m_dwFilter;
bool m_bIgnoreRelevant;
CXFA_LayoutItemIterator m_sIterator;
};
class CXFA_TabParam {
public:
explicit CXFA_TabParam(CXFA_FFWidget* pWidget);
~CXFA_TabParam();
void AppendTabParam(CXFA_TabParam* pParam);
void ClearChildren();
CXFA_FFWidget* GetWidget() const { return m_pWidget.Get(); }
const std::vector<CXFA_FFWidget*>& GetChildren() const { return m_Children; }
private:
UnownedPtr<CXFA_FFWidget> const m_pWidget;
std::vector<CXFA_FFWidget*> m_Children;
};
class CXFA_FFTabOrderPageWidgetIterator final : public IXFA_WidgetIterator {
public:
CXFA_FFTabOrderPageWidgetIterator(CXFA_FFPageView* pPageView,
uint32_t dwFilter);
~CXFA_FFTabOrderPageWidgetIterator() override;
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_FFWidget* GetTraverseWidget(CXFA_FFWidget* pWidget);
CXFA_FFWidget* FindWidgetByName(const WideString& wsWidgetName,
CXFA_FFWidget* pRefWidget);
void CreateTabOrderWidgetArray();
void CreateSpaceOrderWidgetArray(std::vector<CXFA_FFWidget*>* WidgetArray);
CXFA_FFWidget* GetWidget(CXFA_LayoutItem* pLayoutItem);
void OrderContainer(CXFA_LayoutItemIterator* sIterator,
CXFA_LayoutItem* pViewItem,
CXFA_TabParam* pContainer,
bool* bCurrentItem,
bool* bContentArea,
bool bMasterPage);
std::vector<UnownedPtr<CXFA_FFWidget>> m_TabOrderWidgetArray;
UnownedPtr<CXFA_FFPageView> m_pPageView;
uint32_t m_dwFilter;
int32_t m_iCurWidget;
bool m_bIgnoreRelevant;
};
#endif // XFA_FXFA_CXFA_FFPAGEVIEW_H_