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Diffstat (limited to 'fpdfsdk/cpdfsdk_interactiveform.h')
| -rw-r--r-- | fpdfsdk/cpdfsdk_interactiveform.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/fpdfsdk/cpdfsdk_interactiveform.h b/fpdfsdk/cpdfsdk_interactiveform.h new file mode 100644 index 0000000000..06492e52a2 --- /dev/null +++ b/fpdfsdk/cpdfsdk_interactiveform.h @@ -0,0 +1,132 @@ +// 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_INTERACTIVEFORM_H_ +#define FPDFSDK_CPDFSDK_INTERACTIVEFORM_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" +#include "third_party/base/optional.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(); + } + + 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); + Optional<WideString> OnFormat(CPDF_FormField* pFormField); + + void ResetFieldAppearance(CPDF_FormField* pFormField, + Optional<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) const; + 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; + + UnownedPtr<CPDFSDK_FormFillEnvironment> const m_pFormFillEnv; + std::unique_ptr<CPDF_InterForm> const m_pInterForm; + std::map<CPDF_FormControl*, CPDFSDK_Widget*> m_Map; +#ifdef PDF_ENABLE_XFA + std::map<CXFA_FFWidget*, CPDFSDK_XFAWidget*> m_XFAMap; + bool m_bXfaCalculate = true; + bool m_bXfaValidationsEnabled = true; +#endif // PDF_ENABLE_XFA + bool m_bCalculate = true; + bool m_bBusy = false; + + uint8_t m_HighlightAlpha = 0; + FX_COLORREF m_HighlightColor[kFormFieldTypeCount]; + bool m_NeedsHighlight[kFormFieldTypeCount]; +}; + +#endif // FPDFSDK_CPDFSDK_INTERACTIVEFORM_H_ |