summaryrefslogtreecommitdiff
path: root/fpdfsdk/cpdfsdk_interform.h
blob: b031345158cfcc3dcb46011d1f5218dd4538e83a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
// 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/cfx_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 : 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 CFX_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, bool bSynchronizeElse);
#endif  // PDF_ENABLE_XFA

  bool OnKeyStrokeCommit(CPDF_FormField* pFormField,
                         const CFX_WideString& csValue);
  bool OnValidate(CPDF_FormField* pFormField, const CFX_WideString& csValue);
  void OnCalculate(CPDF_FormField* pFormField = nullptr);
  CFX_WideString OnFormat(CPDF_FormField* pFormField, bool& bFormatted);

  void ResetFieldAppearance(CPDF_FormField* pFormField,
                            const CFX_WideString* sValue,
                            bool bValueChanged);
  void UpdateField(CPDF_FormField* pFormField);

  bool DoAction_Hide(const CPDF_Action& action);
  bool DoAction_SubmitForm(const CPDF_Action& action);
  bool DoAction_ResetForm(const CPDF_Action& action);
  bool DoAction_ImportData(const CPDF_Action& action);

  std::vector<CPDF_FormField*> GetFieldFromObjects(
      const std::vector<CPDF_Object*>& objects) const;
  bool IsValidField(CPDF_Dictionary* pFieldDict);
  bool SubmitFields(const CFX_WideString& csDestination,
                    const std::vector<CPDF_FormField*>& fields,
                    bool bIncludeOrExclude,
                    bool bUrlEncoded);
  bool SubmitForm(const CFX_WideString& sDestination, bool bUrlEncoded);
  CFX_ByteString ExportFormToFDFTextBuf();
  CFX_ByteString ExportFieldsToFDFTextBuf(
      const std::vector<CPDF_FormField*>& fields,
      bool bIncludeOrExclude);
  CFX_WideString GetTemporaryFileName(const CFX_WideString& sFileExt);

  bool IsNeedHighLight(int nFieldType);
  void RemoveAllHighLight();
  void SetHighlightAlpha(uint8_t alpha) { m_iHighlightAlpha = alpha; }
  uint8_t GetHighlightAlpha() { return m_iHighlightAlpha; }
  void SetHighlightColor(FX_COLORREF clr, int nFieldType);
  FX_COLORREF GetHighlightColor(int nFieldType);

 private:
  // IPDF_FormNotify:
  int BeforeValueChange(CPDF_FormField* pField,
                        const CFX_WideString& csValue) override;
  void AfterValueChange(CPDF_FormField* pField) override;
  int BeforeSelectionChange(CPDF_FormField* pField,
                            const CFX_WideString& csValue) override;
  void AfterSelectionChange(CPDF_FormField* pField) override;
  void AfterCheckedStatusChange(CPDF_FormField* pField) override;
  int BeforeFormReset(CPDF_InterForm* pForm) override;
  void AfterFormReset(CPDF_InterForm* pForm) override;
  int BeforeFormImportData(CPDF_InterForm* pForm) override;
  void AfterFormImportData(CPDF_InterForm* pForm) override;

  bool FDFToURLEncodedData(uint8_t*& pBuf, FX_STRSIZE& nBufSize);
  int GetPageIndexByAnnotDict(CPDF_Document* pDocument,
                              CPDF_Dictionary* pAnnotDict) const;

  using CPDFSDK_WidgetMap = std::map<CPDF_FormControl*, CPDFSDK_Widget*>;

  CFX_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;
  static const int kNumFieldTypes = 7;
#else   // PDF_ENABLE_XFA
  static const int kNumFieldTypes = 6;
#endif  // PDF_ENABLE_XFA
  bool m_bCalculate;
  bool m_bBusy;

  FX_COLORREF m_aHighlightColor[kNumFieldTypes];
  uint8_t m_iHighlightAlpha;
  bool m_bNeedHightlight[kNumFieldTypes];
};

#endif  // FPDFSDK_CPDFSDK_INTERFORM_H_