1 // Copyright 2017 The PDFium Authors
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 "fxjs/xfa/cjx_subform.h"
8
9 #include <vector>
10
11 #include "fxjs/cfx_v8.h"
12 #include "fxjs/fxv8.h"
13 #include "fxjs/js_resources.h"
14 #include "fxjs/xfa/cfxjse_engine.h"
15 #include "v8/include/v8-object.h"
16 #include "xfa/fxfa/cxfa_eventparam.h"
17 #include "xfa/fxfa/cxfa_ffnotify.h"
18 #include "xfa/fxfa/fxfa.h"
19 #include "xfa/fxfa/parser/cxfa_delta.h"
20 #include "xfa/fxfa/parser/cxfa_document.h"
21
22 const CJX_MethodSpec CJX_Subform::MethodSpecs[] = {
23 {"execCalculate", execCalculate_static},
24 {"execEvent", execEvent_static},
25 {"execInitialize", execInitialize_static},
26 {"execValidate", execValidate_static}};
27
CJX_Subform(CXFA_Node * node)28 CJX_Subform::CJX_Subform(CXFA_Node* node) : CJX_Container(node) {
29 DefineMethods(MethodSpecs);
30 }
31
32 CJX_Subform::~CJX_Subform() = default;
33
DynamicTypeIs(TypeTag eType) const34 bool CJX_Subform::DynamicTypeIs(TypeTag eType) const {
35 return eType == static_type__ || ParentType__::DynamicTypeIs(eType);
36 }
37
execEvent(CFXJSE_Engine * runtime,const std::vector<v8::Local<v8::Value>> & params)38 CJS_Result CJX_Subform::execEvent(
39 CFXJSE_Engine* runtime,
40 const std::vector<v8::Local<v8::Value>>& params) {
41 if (params.size() != 1)
42 return CJS_Result::Failure(JSMessage::kParamError);
43
44 execSingleEventByName(runtime->ToWideString(params[0]).AsStringView(),
45 XFA_Element::Subform);
46 return CJS_Result::Success();
47 }
48
execInitialize(CFXJSE_Engine * runtime,const std::vector<v8::Local<v8::Value>> & params)49 CJS_Result CJX_Subform::execInitialize(
50 CFXJSE_Engine* runtime,
51 const std::vector<v8::Local<v8::Value>>& params) {
52 if (!params.empty())
53 return CJS_Result::Failure(JSMessage::kParamError);
54
55 CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
56 if (pNotify)
57 pNotify->ExecEventByDeepFirst(GetXFANode(), XFA_EVENT_Initialize, false,
58 true);
59 return CJS_Result::Success();
60 }
61
execCalculate(CFXJSE_Engine * runtime,const std::vector<v8::Local<v8::Value>> & params)62 CJS_Result CJX_Subform::execCalculate(
63 CFXJSE_Engine* runtime,
64 const std::vector<v8::Local<v8::Value>>& params) {
65 if (!params.empty())
66 return CJS_Result::Failure(JSMessage::kParamError);
67
68 CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
69 if (pNotify)
70 pNotify->ExecEventByDeepFirst(GetXFANode(), XFA_EVENT_Calculate, false,
71 true);
72 return CJS_Result::Success();
73 }
74
execValidate(CFXJSE_Engine * runtime,const std::vector<v8::Local<v8::Value>> & params)75 CJS_Result CJX_Subform::execValidate(
76 CFXJSE_Engine* runtime,
77 const std::vector<v8::Local<v8::Value>>& params) {
78 if (!params.empty())
79 return CJS_Result::Failure(JSMessage::kParamError);
80
81 CXFA_FFNotify* pNotify = GetDocument()->GetNotify();
82 if (!pNotify)
83 return CJS_Result::Success(runtime->NewBoolean(false));
84
85 XFA_EventError iRet = pNotify->ExecEventByDeepFirst(
86 GetXFANode(), XFA_EVENT_Validate, false, true);
87 return CJS_Result::Success(
88 runtime->NewBoolean(iRet != XFA_EventError::kError));
89 }
90
locale(v8::Isolate * pIsolate,v8::Local<v8::Value> * pValue,bool bSetting,XFA_Attribute eAttribute)91 void CJX_Subform::locale(v8::Isolate* pIsolate,
92 v8::Local<v8::Value>* pValue,
93 bool bSetting,
94 XFA_Attribute eAttribute) {
95 if (bSetting) {
96 SetCDataImpl(XFA_Attribute::Locale,
97 fxv8::ReentrantToWideStringHelper(pIsolate, *pValue), true,
98 true);
99 return;
100 }
101
102 WideString wsLocaleName = GetXFANode()->GetLocaleName().value_or(L"");
103 *pValue =
104 fxv8::NewStringHelper(pIsolate, wsLocaleName.ToUTF8().AsStringView());
105 }
106
instanceManager(v8::Isolate * pIsolate,v8::Local<v8::Value> * pValue,bool bSetting,XFA_Attribute eAttribute)107 void CJX_Subform::instanceManager(v8::Isolate* pIsolate,
108 v8::Local<v8::Value>* pValue,
109 bool bSetting,
110 XFA_Attribute eAttribute) {
111 if (bSetting) {
112 ThrowInvalidPropertyException(pIsolate);
113 return;
114 }
115
116 WideString wsName = GetCData(XFA_Attribute::Name);
117 CXFA_Node* pInstanceMgr = nullptr;
118 for (CXFA_Node* pNode = GetXFANode()->GetPrevSibling(); pNode;
119 pNode = pNode->GetPrevSibling()) {
120 if (pNode->GetElementType() == XFA_Element::InstanceManager) {
121 WideString wsInstMgrName =
122 pNode->JSObject()->GetCData(XFA_Attribute::Name);
123 if (wsInstMgrName.GetLength() >= 1 && wsInstMgrName[0] == '_' &&
124 wsInstMgrName.Last(wsInstMgrName.GetLength() - 1) == wsName) {
125 pInstanceMgr = pNode;
126 }
127 break;
128 }
129 }
130 *pValue = pInstanceMgr ? GetDocument()
131 ->GetScriptContext()
132 ->GetOrCreateJSBindingFromMap(pInstanceMgr)
133 .As<v8::Value>()
134 : fxv8::NewNullHelper(pIsolate).As<v8::Value>();
135 }
136