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_WIDGETHANDLER_H_ 8 #define FPDFSDK_CPDFSDK_WIDGETHANDLER_H_ 9 10 #include <memory> 11 12 #include "core/fxcrt/fx_coordinates.h" 13 #include "core/fxcrt/unowned_ptr.h" 14 #include "fpdfsdk/ipdfsdk_annothandler.h" 15 16 class CFFL_InteractiveFormFiller; 17 class CFX_Matrix; 18 class CFX_RenderDevice; 19 class CPDF_Annot; 20 class CPDFSDK_Annot; 21 class CPDFSDK_FormFillEnvironment; 22 class CPDFSDK_PageView; 23 24 class CPDFSDK_WidgetHandler final : public IPDFSDK_AnnotHandler { 25 public: 26 CPDFSDK_WidgetHandler(); 27 ~CPDFSDK_WidgetHandler() override; 28 29 void SetFormFillEnvironment( 30 CPDFSDK_FormFillEnvironment* pFormFillEnv) override; 31 bool CanAnswer(CPDFSDK_Annot* pAnnot) override; 32 CPDFSDK_Annot* NewAnnot(CPDF_Annot* pAnnot, CPDFSDK_PageView* pPage) override; 33 void ReleaseAnnot(std::unique_ptr<CPDFSDK_Annot> pAnnot) override; 34 CFX_FloatRect GetViewBBox(CPDFSDK_PageView* pPageView, 35 CPDFSDK_Annot* pAnnot) override; 36 WideString GetText(CPDFSDK_Annot* pAnnot) override; 37 WideString GetSelectedText(CPDFSDK_Annot* pAnnot) override; 38 void ReplaceSelection(CPDFSDK_Annot* pAnnot, const WideString& text) override; 39 bool CanUndo(CPDFSDK_Annot* pAnnot) override; 40 bool CanRedo(CPDFSDK_Annot* pAnnot) override; 41 bool Undo(CPDFSDK_Annot* pAnnot) override; 42 bool Redo(CPDFSDK_Annot* pAnnot) override; 43 bool HitTest(CPDFSDK_PageView* pPageView, 44 CPDFSDK_Annot* pAnnot, 45 const CFX_PointF& point) override; 46 void OnDraw(CPDFSDK_PageView* pPageView, 47 CPDFSDK_Annot* pAnnot, 48 CFX_RenderDevice* pDevice, 49 const CFX_Matrix& mtUser2Device, 50 bool bDrawAnnots) override; 51 void OnLoad(CPDFSDK_Annot* pAnnot) override; 52 53 void OnMouseEnter(CPDFSDK_PageView* pPageView, 54 ObservedPtr<CPDFSDK_Annot>* pAnnot, 55 uint32_t nFlag) override; 56 void OnMouseExit(CPDFSDK_PageView* pPageView, 57 ObservedPtr<CPDFSDK_Annot>* pAnnot, 58 uint32_t nFlag) override; 59 bool OnLButtonDown(CPDFSDK_PageView* pPageView, 60 ObservedPtr<CPDFSDK_Annot>* pAnnot, 61 uint32_t nFlags, 62 const CFX_PointF& point) override; 63 bool OnLButtonUp(CPDFSDK_PageView* pPageView, 64 ObservedPtr<CPDFSDK_Annot>* pAnnot, 65 uint32_t nFlags, 66 const CFX_PointF& point) override; 67 bool OnLButtonDblClk(CPDFSDK_PageView* pPageView, 68 ObservedPtr<CPDFSDK_Annot>* pAnnot, 69 uint32_t nFlags, 70 const CFX_PointF& point) override; 71 bool OnMouseMove(CPDFSDK_PageView* pPageView, 72 ObservedPtr<CPDFSDK_Annot>* pAnnot, 73 uint32_t nFlags, 74 const CFX_PointF& point) override; 75 bool OnMouseWheel(CPDFSDK_PageView* pPageView, 76 ObservedPtr<CPDFSDK_Annot>* pAnnot, 77 uint32_t nFlags, 78 short zDelta, 79 const CFX_PointF& point) override; 80 bool OnRButtonDown(CPDFSDK_PageView* pPageView, 81 ObservedPtr<CPDFSDK_Annot>* pAnnot, 82 uint32_t nFlags, 83 const CFX_PointF& point) override; 84 bool OnRButtonUp(CPDFSDK_PageView* pPageView, 85 ObservedPtr<CPDFSDK_Annot>* pAnnot, 86 uint32_t nFlags, 87 const CFX_PointF& point) override; 88 bool OnRButtonDblClk(CPDFSDK_PageView* pPageView, 89 ObservedPtr<CPDFSDK_Annot>* pAnnot, 90 uint32_t nFlags, 91 const CFX_PointF& point) override; 92 bool OnChar(CPDFSDK_Annot* pAnnot, uint32_t nChar, uint32_t nFlags) override; 93 bool OnKeyDown(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override; 94 bool OnKeyUp(CPDFSDK_Annot* pAnnot, int nKeyCode, int nFlag) override; 95 bool OnSetFocus(ObservedPtr<CPDFSDK_Annot>* pAnnot, uint32_t nFlag) override; 96 bool OnKillFocus(ObservedPtr<CPDFSDK_Annot>* pAnnot, uint32_t nFlag) override; 97 bool SetIndexSelected(ObservedPtr<CPDFSDK_Annot>* pAnnot, 98 int index, 99 bool selected) override; 100 bool IsIndexSelected(ObservedPtr<CPDFSDK_Annot>* pAnnot, int index) override; 101 102 private: 103 UnownedPtr<CPDFSDK_FormFillEnvironment> m_pFormFillEnv; 104 UnownedPtr<CFFL_InteractiveFormFiller> m_pFormFiller; 105 }; 106 107 #endif // FPDFSDK_CPDFSDK_WIDGETHANDLER_H_ 108