1 // Copyright 2015 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 #include <memory>
8
9 #include "fpdfsdk/include/fsdk_mgr.h" // For CPDFDoc_Environment.
10 #include "fpdfsdk/include/javascript/IJavaScript.h"
11
12 class CJS_ContextStub final : public IJS_Context {
13 public:
CJS_ContextStub()14 CJS_ContextStub() {}
~CJS_ContextStub()15 ~CJS_ContextStub() override {}
16
17 // IJS_Context:
RunScript(const CFX_WideString & script,CFX_WideString * info)18 FX_BOOL RunScript(const CFX_WideString& script,
19 CFX_WideString* info) override {
20 return FALSE;
21 }
22
OnApp_Init()23 void OnApp_Init() override {}
OnDoc_Open(CPDFSDK_Document * pDoc,const CFX_WideString & strTargetName)24 void OnDoc_Open(CPDFSDK_Document* pDoc,
25 const CFX_WideString& strTargetName) override {}
OnDoc_WillPrint(CPDFSDK_Document * pDoc)26 void OnDoc_WillPrint(CPDFSDK_Document* pDoc) override {}
OnDoc_DidPrint(CPDFSDK_Document * pDoc)27 void OnDoc_DidPrint(CPDFSDK_Document* pDoc) override {}
OnDoc_WillSave(CPDFSDK_Document * pDoc)28 void OnDoc_WillSave(CPDFSDK_Document* pDoc) override {}
OnDoc_DidSave(CPDFSDK_Document * pDoc)29 void OnDoc_DidSave(CPDFSDK_Document* pDoc) override {}
OnDoc_WillClose(CPDFSDK_Document * pDoc)30 void OnDoc_WillClose(CPDFSDK_Document* pDoc) override {}
OnPage_Open(CPDFSDK_Document * pTarget)31 void OnPage_Open(CPDFSDK_Document* pTarget) override {}
OnPage_Close(CPDFSDK_Document * pTarget)32 void OnPage_Close(CPDFSDK_Document* pTarget) override {}
OnPage_InView(CPDFSDK_Document * pTarget)33 void OnPage_InView(CPDFSDK_Document* pTarget) override {}
OnPage_OutView(CPDFSDK_Document * pTarget)34 void OnPage_OutView(CPDFSDK_Document* pTarget) override {}
OnField_MouseDown(FX_BOOL bModifier,FX_BOOL bShift,CPDF_FormField * pTarget)35 void OnField_MouseDown(FX_BOOL bModifier,
36 FX_BOOL bShift,
37 CPDF_FormField* pTarget) override {}
OnField_MouseEnter(FX_BOOL bModifier,FX_BOOL bShift,CPDF_FormField * pTarget)38 void OnField_MouseEnter(FX_BOOL bModifier,
39 FX_BOOL bShift,
40 CPDF_FormField* pTarget) override {}
OnField_MouseExit(FX_BOOL bModifier,FX_BOOL bShift,CPDF_FormField * pTarget)41 void OnField_MouseExit(FX_BOOL bModifier,
42 FX_BOOL bShift,
43 CPDF_FormField* pTarget) override {}
OnField_MouseUp(FX_BOOL bModifier,FX_BOOL bShift,CPDF_FormField * pTarget)44 void OnField_MouseUp(FX_BOOL bModifier,
45 FX_BOOL bShift,
46 CPDF_FormField* pTarget) override {}
OnField_Focus(FX_BOOL bModifier,FX_BOOL bShift,CPDF_FormField * pTarget,const CFX_WideString & Value)47 void OnField_Focus(FX_BOOL bModifier,
48 FX_BOOL bShift,
49 CPDF_FormField* pTarget,
50 const CFX_WideString& Value) override {}
OnField_Blur(FX_BOOL bModifier,FX_BOOL bShift,CPDF_FormField * pTarget,const CFX_WideString & Value)51 void OnField_Blur(FX_BOOL bModifier,
52 FX_BOOL bShift,
53 CPDF_FormField* pTarget,
54 const CFX_WideString& Value) override {}
OnField_Calculate(CPDF_FormField * pSource,CPDF_FormField * pTarget,CFX_WideString & Value,FX_BOOL & bRc)55 void OnField_Calculate(CPDF_FormField* pSource,
56 CPDF_FormField* pTarget,
57 CFX_WideString& Value,
58 FX_BOOL& bRc) override {}
OnField_Format(CPDF_FormField * pTarget,CFX_WideString & Value,FX_BOOL bWillCommit)59 void OnField_Format(CPDF_FormField* pTarget,
60 CFX_WideString& Value,
61 FX_BOOL bWillCommit) override {}
OnField_Keystroke(CFX_WideString & strChange,const CFX_WideString & strChangeEx,FX_BOOL KeyDown,FX_BOOL bModifier,int & nSelEnd,int & nSelStart,FX_BOOL bShift,CPDF_FormField * pTarget,CFX_WideString & Value,FX_BOOL bWillCommit,FX_BOOL bFieldFull,FX_BOOL & bRc)62 void OnField_Keystroke(CFX_WideString& strChange,
63 const CFX_WideString& strChangeEx,
64 FX_BOOL KeyDown,
65 FX_BOOL bModifier,
66 int& nSelEnd,
67 int& nSelStart,
68 FX_BOOL bShift,
69 CPDF_FormField* pTarget,
70 CFX_WideString& Value,
71 FX_BOOL bWillCommit,
72 FX_BOOL bFieldFull,
73 FX_BOOL& bRc) override {}
OnField_Validate(CFX_WideString & strChange,const CFX_WideString & strChangeEx,FX_BOOL bKeyDown,FX_BOOL bModifier,FX_BOOL bShift,CPDF_FormField * pTarget,CFX_WideString & Value,FX_BOOL & bRc)74 void OnField_Validate(CFX_WideString& strChange,
75 const CFX_WideString& strChangeEx,
76 FX_BOOL bKeyDown,
77 FX_BOOL bModifier,
78 FX_BOOL bShift,
79 CPDF_FormField* pTarget,
80 CFX_WideString& Value,
81 FX_BOOL& bRc) override {}
OnScreen_Focus(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)82 void OnScreen_Focus(FX_BOOL bModifier,
83 FX_BOOL bShift,
84 CPDFSDK_Annot* pScreen) override {}
OnScreen_Blur(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)85 void OnScreen_Blur(FX_BOOL bModifier,
86 FX_BOOL bShift,
87 CPDFSDK_Annot* pScreen) override {}
OnScreen_Open(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)88 void OnScreen_Open(FX_BOOL bModifier,
89 FX_BOOL bShift,
90 CPDFSDK_Annot* pScreen) override {}
OnScreen_Close(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)91 void OnScreen_Close(FX_BOOL bModifier,
92 FX_BOOL bShift,
93 CPDFSDK_Annot* pScreen) override {}
OnScreen_MouseDown(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)94 void OnScreen_MouseDown(FX_BOOL bModifier,
95 FX_BOOL bShift,
96 CPDFSDK_Annot* pScreen) override {}
OnScreen_MouseUp(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)97 void OnScreen_MouseUp(FX_BOOL bModifier,
98 FX_BOOL bShift,
99 CPDFSDK_Annot* pScreen) override {}
OnScreen_MouseEnter(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)100 void OnScreen_MouseEnter(FX_BOOL bModifier,
101 FX_BOOL bShift,
102 CPDFSDK_Annot* pScreen) override {}
OnScreen_MouseExit(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)103 void OnScreen_MouseExit(FX_BOOL bModifier,
104 FX_BOOL bShift,
105 CPDFSDK_Annot* pScreen) override {}
OnScreen_InView(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)106 void OnScreen_InView(FX_BOOL bModifier,
107 FX_BOOL bShift,
108 CPDFSDK_Annot* pScreen) override {}
OnScreen_OutView(FX_BOOL bModifier,FX_BOOL bShift,CPDFSDK_Annot * pScreen)109 void OnScreen_OutView(FX_BOOL bModifier,
110 FX_BOOL bShift,
111 CPDFSDK_Annot* pScreen) override {}
OnBookmark_MouseUp(CPDF_Bookmark * pBookMark)112 void OnBookmark_MouseUp(CPDF_Bookmark* pBookMark) override {}
OnLink_MouseUp(CPDFSDK_Document * pTarget)113 void OnLink_MouseUp(CPDFSDK_Document* pTarget) override {}
OnMenu_Exec(CPDFSDK_Document * pTarget,const CFX_WideString &)114 void OnMenu_Exec(CPDFSDK_Document* pTarget, const CFX_WideString&) override {}
OnBatchExec(CPDFSDK_Document * pTarget)115 void OnBatchExec(CPDFSDK_Document* pTarget) override {}
OnConsole_Exec()116 void OnConsole_Exec() override {}
OnExternal_Exec()117 void OnExternal_Exec() override {}
EnableMessageBox(FX_BOOL bEnable)118 void EnableMessageBox(FX_BOOL bEnable) override {}
119 };
120
121 class CJS_RuntimeStub final : public IJS_Runtime {
122 public:
CJS_RuntimeStub()123 CJS_RuntimeStub() : m_pDoc(nullptr) {}
~CJS_RuntimeStub()124 ~CJS_RuntimeStub() override {}
125
NewContext()126 IJS_Context* NewContext() override {
127 if (!m_pContext)
128 m_pContext.reset(new CJS_ContextStub());
129 return GetCurrentContext();
130 }
131
GetCurrentContext()132 IJS_Context* GetCurrentContext() override { return m_pContext.get(); }
ReleaseContext(IJS_Context * pContext)133 void ReleaseContext(IJS_Context* pContext) override {}
134
SetReaderDocument(CPDFSDK_Document * pReaderDoc)135 void SetReaderDocument(CPDFSDK_Document* pReaderDoc) override {
136 m_pDoc = pReaderDoc;
137 }
GetReaderDocument()138 CPDFSDK_Document* GetReaderDocument() override { return m_pDoc; }
139
140 #ifdef PDF_ENABLE_XFA
GetHValueByName(const CFX_ByteStringC &,FXJSE_HVALUE)141 virtual FX_BOOL GetHValueByName(const CFX_ByteStringC&,
142 FXJSE_HVALUE) override {
143 return FALSE;
144 }
145
SetHValueByName(const CFX_ByteStringC &,FXJSE_HVALUE)146 virtual FX_BOOL SetHValueByName(const CFX_ByteStringC&,
147 FXJSE_HVALUE) override {
148 return FALSE;
149 }
150 #endif // PDF_ENABLE_XFA
151
Execute(IJS_Context * cc,const wchar_t * script,CFX_WideString * info)152 int Execute(IJS_Context* cc,
153 const wchar_t* script,
154 CFX_WideString* info) override {
155 return 0;
156 }
157
158 protected:
159 CPDFSDK_Document* m_pDoc;
160 std::unique_ptr<CJS_ContextStub> m_pContext;
161 };
162
163 // static
Initialize(unsigned int slot,void * isolate)164 void IJS_Runtime::Initialize(unsigned int slot, void* isolate) {
165 }
166
167 // static
Create(CPDFDoc_Environment * pEnv)168 IJS_Runtime* IJS_Runtime::Create(CPDFDoc_Environment* pEnv) {
169 return new CJS_RuntimeStub;
170 }
171