// Copyright 2016 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 CORE_FPDFDOC_CPDF_INTERACTIVEFORM_H_ #define CORE_FPDFDOC_CPDF_INTERACTIVEFORM_H_ #include #include #include #include "core/fpdfapi/parser/fpdf_parser_decode.h" #include "core/fpdfdoc/cpdf_defaultappearance.h" #include "core/fpdfdoc/cpdf_formfield.h" #include "core/fxcrt/fx_string.h" #include "core/fxcrt/fx_system.h" #include "core/fxcrt/retain_ptr.h" #include "core/fxcrt/unowned_ptr.h" class CFieldTree; class CFDF_Document; class CPDF_Document; class CPDF_Dictionary; class CPDF_Font; class CPDF_FormControl; class CPDF_Object; class CPDF_Page; RetainPtr AddNativeInteractiveFormFont(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument, ByteString* csNameTag); class CPDF_InteractiveForm { public: class NotifierIface { public: virtual ~NotifierIface() = default; virtual bool BeforeValueChange(CPDF_FormField* pField, const WideString& csValue) = 0; virtual void AfterValueChange(CPDF_FormField* pField) = 0; virtual bool BeforeSelectionChange(CPDF_FormField* pField, const WideString& csValue) = 0; virtual void AfterSelectionChange(CPDF_FormField* pField) = 0; virtual void AfterCheckedStatusChange(CPDF_FormField* pField) = 0; virtual void AfterFormReset(CPDF_InteractiveForm* pForm) = 0; }; explicit CPDF_InteractiveForm(CPDF_Document* pDocument); ~CPDF_InteractiveForm(); static void SetUpdateAP(bool bUpdateAP); static bool IsUpdateAPEnabled(); static uint8_t GetNativeCharSet(); static ByteString GetNativeFontName(uint8_t iCharSet, void* pLogFont); static RetainPtr AddStandardFont(CPDF_Document* pDocument, ByteString csFontName); static RetainPtr AddNativeFont(uint8_t iCharSet, CPDF_Document* pDocument); static RetainPtr AddNativeFont(CPDF_Document* pDocument); size_t CountFields(const WideString& csFieldName) const; CPDF_FormField* GetField(uint32_t index, const WideString& csFieldName) const; CPDF_FormField* GetFieldByDict(CPDF_Dictionary* pFieldDict) const; CPDF_FormControl* GetControlAtPoint(CPDF_Page* pPage, const CFX_PointF& point, int* z_order) const; CPDF_FormControl* GetControlByDict(const CPDF_Dictionary* pWidgetDict) const; bool NeedConstructAP() const; int CountFieldsInCalculationOrder(); CPDF_FormField* GetFieldInCalculationOrder(int index); int FindFieldInCalculationOrder(const CPDF_FormField* pField); RetainPtr GetFormFont(ByteString csNameTag) const; CPDF_DefaultAppearance GetDefaultAppearance() const; int GetFormAlignment() const; bool CheckRequiredFields(const std::vector* fields, bool bIncludeOrExclude) const; std::unique_ptr ExportToFDF(const WideString& pdf_path, bool bSimpleFileSpec) const; std::unique_ptr ExportToFDF( const WideString& pdf_path, const std::vector& fields, bool bIncludeOrExclude, bool bSimpleFileSpec) const; void ResetForm(NotificationOption notify); // TODO(tsepez): Use a span. void ResetForm(const std::vector& fields, bool bIncludeOrExclude, NotificationOption notify); void SetNotifierIface(NotifierIface* pNotify); bool HasXFAForm() const; void FixPageFields(CPDF_Page* pPage); NotifierIface* GetFormNotify() const { return m_pFormNotify.Get(); } CPDF_Document* GetDocument() const { return m_pDocument.Get(); } CPDF_Dictionary* GetFormDict() const { return m_pFormDict.Get(); } const std::vector>& GetControlsForField( const CPDF_FormField* pField); private: void LoadField(CPDF_Dictionary* pFieldDict, int nLevel); void AddTerminalField(CPDF_Dictionary* pFieldDict); CPDF_FormControl* AddControl(CPDF_FormField* pField, CPDF_Dictionary* pWidgetDict); static bool s_bUpdateAP; ByteString m_bsEncoding; UnownedPtr const m_pDocument; RetainPtr m_pFormDict; std::unique_ptr m_pFieldTree; std::map> m_ControlMap; // Points into |m_ControlMap|. std::map>> m_ControlLists; UnownedPtr m_pFormNotify; }; #endif // CORE_FPDFDOC_CPDF_INTERACTIVEFORM_H_