1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef FPDFSDK_CPDFSDK_PAGEVIEW_H_ 8 #define FPDFSDK_CPDFSDK_PAGEVIEW_H_ 9 10 #include <memory> 11 #include <vector> 12 13 #include "core/fpdfapi/page/cpdf_page.h" 14 #include "core/fxcrt/fx_system.h" 15 #include "fpdfsdk/cpdfsdk_annot.h" 16 17 class CFX_RenderDevice; 18 class CPDF_AnnotList; 19 class CPDF_RenderOptions; 20 21 class CPDFSDK_PageView final : public CPDF_Page::View { 22 public: 23 CPDFSDK_PageView(CPDFSDK_FormFillEnvironment* pFormFillEnv, 24 UnderlyingPageType* page); 25 ~CPDFSDK_PageView(); 26 27 #ifdef PDF_ENABLE_XFA 28 void PageView_OnDraw(CFX_RenderDevice* pDevice, 29 CFX_Matrix* pUser2Device, 30 CPDF_RenderOptions* pOptions, 31 const FX_RECT& pClip); 32 #else // PDF_ENABLE_XFA 33 void PageView_OnDraw(CFX_RenderDevice* pDevice, 34 CFX_Matrix* pUser2Device, 35 CPDF_RenderOptions* pOptions); 36 #endif // PDF_ENABLE_XFA 37 38 void LoadFXAnnots(); 39 CPDFSDK_Annot* GetFocusAnnot(); 40 bool IsValidAnnot(const CPDF_Annot* p) const; 41 bool IsValidSDKAnnot(const CPDFSDK_Annot* p) const; 42 43 const std::vector<CPDFSDK_Annot*>& GetAnnotList() const { 44 return m_SDKAnnotArray; 45 } 46 CPDFSDK_Annot* GetAnnotByDict(CPDF_Dictionary* pDict); 47 48 #ifdef PDF_ENABLE_XFA 49 bool DeleteAnnot(CPDFSDK_Annot* pAnnot); 50 CPDFSDK_Annot* AddAnnot(CXFA_FFWidget* pPDFAnnot); 51 CPDFSDK_Annot* GetAnnotByXFAWidget(CXFA_FFWidget* hWidget); 52 53 CPDFXFA_Page* GetPDFXFAPage() { return m_page; } 54 #endif // PDF_ENABLE_XFA 55 56 CPDF_Page* GetPDFPage() const; 57 CPDF_Document* GetPDFDocument(); 58 CPDFSDK_FormFillEnvironment* GetFormFillEnv() const { return m_pFormFillEnv; } 59 bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag); 60 bool OnLButtonUp(const CFX_PointF& point, uint32_t nFlag); 61 #ifdef PDF_ENABLE_XFA 62 bool OnRButtonDown(const CFX_PointF& point, uint32_t nFlag); 63 bool OnRButtonUp(const CFX_PointF& point, uint32_t nFlag); 64 #endif // PDF_ENABLE_XFA 65 bool OnChar(int nChar, uint32_t nFlag); 66 bool OnKeyDown(int nKeyCode, int nFlag); 67 bool OnKeyUp(int nKeyCode, int nFlag); 68 69 bool OnMouseMove(const CFX_PointF& point, int nFlag); 70 bool OnMouseWheel(double deltaX, 71 double deltaY, 72 const CFX_PointF& point, 73 int nFlag); 74 75 void GetCurrentMatrix(CFX_Matrix& matrix) { matrix = m_curMatrix; } 76 void UpdateRects(const std::vector<CFX_FloatRect>& rects); 77 void UpdateView(CPDFSDK_Annot* pAnnot); 78 79 int GetPageIndex() const; 80 81 void SetValid(bool bValid) { m_bValid = bValid; } 82 bool IsValid() { return m_bValid; } 83 84 void SetLock(bool bLocked) { m_bLocked = bLocked; } 85 bool IsLocked() { return m_bLocked; } 86 87 void SetBeingDestroyed() { m_bBeingDestroyed = true; } 88 bool IsBeingDestroyed() const { return m_bBeingDestroyed; } 89 90 #ifndef PDF_ENABLE_XFA 91 bool OwnsPage() const { return m_bOwnsPage; } 92 void TakePageOwnership() { m_bOwnsPage = true; } 93 #endif // PDF_ENABLE_XFA 94 95 private: 96 CPDFSDK_Annot* GetFXAnnotAtPoint(const CFX_PointF& point); 97 CPDFSDK_Annot* GetFXWidgetAtPoint(const CFX_PointF& point); 98 99 int GetPageIndexForStaticPDF() const; 100 101 CFX_Matrix m_curMatrix; 102 UnderlyingPageType* const m_page; 103 std::unique_ptr<CPDF_AnnotList> m_pAnnotList; 104 std::vector<CPDFSDK_Annot*> m_SDKAnnotArray; 105 CPDFSDK_FormFillEnvironment* const m_pFormFillEnv; // Not owned. 106 CPDFSDK_Annot::ObservedPtr m_pCaptureWidget; 107 #ifndef PDF_ENABLE_XFA 108 bool m_bOwnsPage; 109 #endif // PDF_ENABLE_XFA 110 bool m_bEnterWidget; 111 bool m_bExitWidget; 112 bool m_bOnWidget; 113 bool m_bValid; 114 bool m_bLocked; 115 bool m_bBeingDestroyed; 116 }; 117 118 #endif // FPDFSDK_CPDFSDK_PAGEVIEW_H_ 119
