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// 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 FPDFSDK_CPDFSDK_INTERFORM_H_
#define FPDFSDK_CPDFSDK_INTERFORM_H_
#include <map>
#include <memory>
#include <vector>
#include "core/fpdfdoc/cpdf_action.h"
#include "core/fpdfdoc/ipdf_formnotify.h"
#include "core/fxcrt/unowned_ptr.h"
#include "core/fxge/fx_dib.h"
#include "fpdfsdk/cpdfsdk_widget.h"
class CPDF_Dictionary;
class CPDF_FormControl;
class CPDF_FormField;
class CPDF_InterForm;
class CPDF_Object;
class CPDFSDK_FormFillEnvironment;
#ifdef PDF_ENABLE_XFA
class CPDFSDK_XFAWidget;
class CXFA_FFWidget;
#endif // PDF_ENABLE_XFA
class CPDFSDK_InterForm final : public IPDF_FormNotify {
public:
explicit CPDFSDK_InterForm(CPDFSDK_FormFillEnvironment* pFormFillEnv);
~CPDFSDK_InterForm() override;
CPDF_InterForm* GetInterForm() const { return m_pInterForm.get(); }
CPDFSDK_FormFillEnvironment* GetFormFillEnv() const {
return m_pFormFillEnv.Get();
}
bool HighlightWidgets();
CPDFSDK_Widget* GetSibling(CPDFSDK_Widget* pWidget, bool bNext) const;
CPDFSDK_Widget* GetWidget(CPDF_FormControl* pControl) const;
void GetWidgets(const WideString& sFieldName,
std::vector<CPDFSDK_Annot::ObservedPtr>* widgets) const;
void GetWidgets(CPDF_FormField* pField,
std::vector<CPDFSDK_Annot::ObservedPtr>* widgets) const;
void AddMap(CPDF_FormControl* pControl, CPDFSDK_Widget* pWidget);
void RemoveMap(CPDF_FormControl* pControl);
void EnableCalculate(bool bEnabled);
bool IsCalculateEnabled() const;
#ifdef PDF_ENABLE_XFA
void AddXFAMap(CXFA_FFWidget* hWidget, CPDFSDK_XFAWidget* pWidget);
void RemoveXFAMap(CXFA_FFWidget* hWidget);
CPDFSDK_XFAWidget* GetXFAWidget(CXFA_FFWidget* hWidget);
void XfaEnableCalculate(bool bEnabled);
bool IsXfaCalculateEnabled() const;
bool IsXfaValidationsEnabled();
void XfaSetValidationsEnabled(bool bEnabled);
void SynchronizeField(CPDF_FormField* pFormField);
#endif // PDF_ENABLE_XFA
bool OnKeyStrokeCommit(CPDF_FormField* pFormField, const WideString& csValue);
bool OnValidate(CPDF_FormField* pFormField, const WideString& csValue);
void OnCalculate(CPDF_FormField* pFormField);
WideString OnFormat(CPDF_FormField* pFormField, bool& bFormatted);
void ResetFieldAppearance(CPDF_FormField* pFormField,
const WideString* sValue,
bool bValueChanged);
void UpdateField(CPDF_FormField* pFormField);
bool DoAction_Hide(const CPDF_Action& action);
bool DoAction_SubmitForm(const CPDF_Action& action);
void DoAction_ResetForm(const CPDF_Action& action);
std::vector<CPDF_FormField*> GetFieldFromObjects(
const std::vector<const CPDF_Object*>& objects) const;
bool IsValidField(CPDF_Dictionary* pFieldDict);
bool SubmitFields(const WideString& csDestination,
const std::vector<CPDF_FormField*>& fields,
bool bIncludeOrExclude,
bool bUrlEncoded);
bool SubmitForm(const WideString& sDestination, bool bUrlEncoded);
ByteString ExportFormToFDFTextBuf();
ByteString ExportFieldsToFDFTextBuf(
const std::vector<CPDF_FormField*>& fields,
bool bIncludeOrExclude);
bool IsNeedHighLight(FormFieldType fieldType);
void RemoveAllHighLights();
void SetHighlightAlpha(uint8_t alpha) { m_HighlightAlpha = alpha; }
uint8_t GetHighlightAlpha() { return m_HighlightAlpha; }
void SetHighlightColor(FX_COLORREF clr, FormFieldType fieldType);
void SetAllHighlightColors(FX_COLORREF clr);
FX_COLORREF GetHighlightColor(FormFieldType fieldType);
private:
// IPDF_FormNotify:
bool BeforeValueChange(CPDF_FormField* pField,
const WideString& csValue) override;
void AfterValueChange(CPDF_FormField* pField) override;
bool BeforeSelectionChange(CPDF_FormField* pField,
const WideString& csValue) override;
void AfterSelectionChange(CPDF_FormField* pField) override;
void AfterCheckedStatusChange(CPDF_FormField* pField) override;
void AfterFormReset(CPDF_InterForm* pForm) override;
int GetPageIndexByAnnotDict(CPDF_Document* pDocument,
CPDF_Dictionary* pAnnotDict) const;
using CPDFSDK_WidgetMap = std::map<CPDF_FormControl*, CPDFSDK_Widget*>;
UnownedPtr<CPDFSDK_FormFillEnvironment> m_pFormFillEnv;
std::unique_ptr<CPDF_InterForm> m_pInterForm;
CPDFSDK_WidgetMap m_Map;
#ifdef PDF_ENABLE_XFA
std::map<CXFA_FFWidget*, CPDFSDK_XFAWidget*> m_XFAMap;
bool m_bXfaCalculate;
bool m_bXfaValidationsEnabled;
#endif // PDF_ENABLE_XFA
bool m_bCalculate;
bool m_bBusy;
uint8_t m_HighlightAlpha;
FX_COLORREF m_HighlightColor[kFormFieldTypeCount];
bool m_NeedsHighlight[kFormFieldTypeCount];
};
#endif // FPDFSDK_CPDFSDK_INTERFORM_H_