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// Copyright 2016 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 FPDFSDK_CPDFSDK_PAGEVIEW_H_
#define FPDFSDK_CPDFSDK_PAGEVIEW_H_
#include <stdint.h>
#include <memory>
#include <vector>
#include "core/fpdfapi/page/cpdf_page.h"
#include "core/fxcrt/mask.h"
#include "core/fxcrt/unowned_ptr.h"
#include "fpdfsdk/cpdfsdk_annot.h"
class CFX_RenderDevice;
class CPDF_AnnotList;
class CPDF_RenderOptions;
class CPDFSDK_FormFillEnvironment;
class CPDFSDK_InteractiveForm;
#ifdef PDF_ENABLE_XFA
class CPDFXFA_Page;
class CXFA_FFWidget;
#endif // PDF_ENABLE_XFA
class CPDFSDK_PageView final : public CPDF_Page::View {
public:
CPDFSDK_PageView(CPDFSDK_FormFillEnvironment* pFormFillEnv, IPDF_Page* page);
~CPDFSDK_PageView();
// CPDF_Page::View:
void ClearPage(CPDF_Page* pPage) override;
void PageView_OnDraw(CFX_RenderDevice* pDevice,
const CFX_Matrix& mtUser2Device,
CPDF_RenderOptions* pOptions,
const FX_RECT& pClip);
void LoadFXAnnots();
CPDFSDK_Annot* GetFocusAnnot();
CPDFSDK_Annot* GetNextAnnot(CPDFSDK_Annot* pAnnot);
CPDFSDK_Annot* GetPrevAnnot(CPDFSDK_Annot* pAnnot);
CPDFSDK_Annot* GetFirstFocusableAnnot();
CPDFSDK_Annot* GetLastFocusableAnnot();
bool IsValidAnnot(const CPDF_Annot* p) const;
bool IsValidSDKAnnot(const CPDFSDK_Annot* p) const;
std::vector<CPDFSDK_Annot*> GetAnnotList() const;
CPDFSDK_Annot* GetAnnotByDict(const CPDF_Dictionary* pDict);
#ifdef PDF_ENABLE_XFA
CPDFSDK_Annot* AddAnnotForFFWidget(CXFA_FFWidget* pWidget);
void DeleteAnnotForFFWidget(CXFA_FFWidget* pWidget);
CPDFSDK_Annot* GetAnnotForFFWidget(CXFA_FFWidget* pWidget);
IPDF_Page* GetXFAPage();
#endif // PDF_ENABLE_XFA
CPDF_Page* GetPDFPage() const;
CPDF_Document* GetPDFDocument();
CPDFSDK_FormFillEnvironment* GetFormFillEnv() const { return m_pFormFillEnv; }
WideString GetFocusedFormText();
WideString GetSelectedText();
void ReplaceAndKeepSelection(const WideString& text);
void ReplaceSelection(const WideString& text);
bool SelectAllText();
bool CanUndo();
bool CanRedo();
bool Undo();
bool Redo();
bool OnFocus(Mask<FWL_EVENTFLAG> nFlags, const CFX_PointF& point);
bool OnLButtonDown(Mask<FWL_EVENTFLAG> nFlags, const CFX_PointF& point);
bool OnLButtonUp(Mask<FWL_EVENTFLAG> nFlags, const CFX_PointF& point);
bool OnLButtonDblClk(Mask<FWL_EVENTFLAG> nFlags, const CFX_PointF& point);
bool OnRButtonDown(Mask<FWL_EVENTFLAG> nFlags, const CFX_PointF& point);
bool OnRButtonUp(Mask<FWL_EVENTFLAG> nFlags, const CFX_PointF& point);
bool OnChar(uint32_t nChar, Mask<FWL_EVENTFLAG> nFlags);
bool OnKeyDown(FWL_VKEYCODE nKeyCode, Mask<FWL_EVENTFLAG> nFlags);
bool OnMouseMove(Mask<FWL_EVENTFLAG> nFlags, const CFX_PointF& point);
bool OnMouseWheel(Mask<FWL_EVENTFLAG> nFlags,
const CFX_PointF& point,
const CFX_Vector& delta);
bool SetIndexSelected(int index, bool selected);
bool IsIndexSelected(int index);
const CFX_Matrix& GetCurrentMatrix() const { return m_curMatrix; }
void UpdateRects(const std::vector<CFX_FloatRect>& rects);
void UpdateView(CPDFSDK_Annot* pAnnot);
int GetPageIndex() const;
void SetValid(bool bValid) { m_bValid = bValid; }
bool IsValid() const { return m_bValid; }
bool IsLocked() const { return m_bLocked; }
void SetBeingDestroyed() { m_bBeingDestroyed = true; }
bool IsBeingDestroyed() const { return m_bBeingDestroyed; }
private:
#ifdef PDF_ENABLE_XFA
CPDFXFA_Page* XFAPageIfNotBackedByPDFPage();
#endif
std::unique_ptr<CPDFSDK_Annot> NewAnnot(CPDF_Annot* annot);
CPDFSDK_InteractiveForm* GetInteractiveForm() const;
CPDFSDK_Annot* GetFXAnnotAtPoint(const CFX_PointF& point);
CPDFSDK_Annot* GetFXWidgetAtPoint(const CFX_PointF& point);
int GetPageIndexForStaticPDF() const;
void EnterWidget(ObservedPtr<CPDFSDK_Annot>& pAnnot,
Mask<FWL_EVENTFLAG> nFlags);
void ExitWidget(bool callExitCallback, Mask<FWL_EVENTFLAG> nFlags);
CFX_Matrix m_curMatrix;
UnownedPtr<IPDF_Page> const m_page;
std::unique_ptr<CPDF_AnnotList> m_pAnnotList;
std::vector<std::unique_ptr<CPDFSDK_Annot>> m_SDKAnnotArray;
UnownedPtr<CPDFSDK_FormFillEnvironment> const m_pFormFillEnv;
ObservedPtr<CPDFSDK_Annot> m_pCaptureWidget;
bool m_bOnWidget = false;
bool m_bValid = false;
bool m_bLocked = false;
bool m_bBeingDestroyed = false;
};
#endif // FPDFSDK_CPDFSDK_PAGEVIEW_H_