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1 // Copyright 2014 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 #ifndef FPDFSDK_JAVASCRIPT_JS_RUNTIME_H_ | |
8 #define FPDFSDK_JAVASCRIPT_JS_RUNTIME_H_ | |
9 | |
10 #include <map> | |
11 #include <memory> | |
12 #include <set> | |
13 #include <utility> | |
14 #include <vector> | |
15 | |
16 #include "core/fxcrt/include/fx_basic.h" | |
17 #include "fpdfsdk/include/javascript/IJavaScript.h" | |
18 #include "fpdfsdk/include/jsapi/fxjs_v8.h" | |
19 #include "fpdfsdk/javascript/JS_EventHandler.h" | |
20 | |
21 class CJS_Context; | |
22 | |
23 class CJS_Runtime : public IJS_Runtime { | |
24 public: | |
25 class Observer { | |
26 public: | |
27 virtual void OnDestroyed() = 0; | |
28 | |
29 protected: | |
30 virtual ~Observer() {} | |
31 }; | |
32 | |
33 using FieldEvent = std::pair<CFX_WideString, JS_EVENT_T>; | |
34 | |
35 static CJS_Runtime* FromContext(const IJS_Context* cc); | |
36 | |
37 explicit CJS_Runtime(CPDFDoc_Environment* pApp); | |
38 ~CJS_Runtime() override; | |
39 | |
40 // IJS_Runtime | |
41 IJS_Context* NewContext() override; | |
42 void ReleaseContext(IJS_Context* pContext) override; | |
43 IJS_Context* GetCurrentContext() override; | |
44 void SetReaderDocument(CPDFSDK_Document* pReaderDoc) override; | |
45 CPDFSDK_Document* GetReaderDocument() override { return m_pDocument; } | |
46 int Execute(IJS_Context* cc, | |
47 const wchar_t* script, | |
48 CFX_WideString* info) override; | |
49 | |
50 CPDFDoc_Environment* GetReaderApp() const { return m_pApp; } | |
51 | |
52 // Returns true if the event isn't already found in the set. | |
53 bool AddEventToSet(const FieldEvent& event); | |
54 void RemoveEventFromSet(const FieldEvent& event); | |
55 | |
56 void BeginBlock() { m_bBlocking = TRUE; } | |
57 void EndBlock() { m_bBlocking = FALSE; } | |
58 FX_BOOL IsBlocking() const { return m_bBlocking; } | |
59 | |
60 v8::Isolate* GetIsolate() const { return m_isolate; } | |
61 v8::Local<v8::Context> NewJSContext(); | |
62 | |
63 void SetConstArray(const CFX_WideString& name, v8::Local<v8::Array> array); | |
64 v8::Local<v8::Array> GetConstArray(const CFX_WideString& name); | |
65 | |
66 #ifdef PDF_ENABLE_XFA | |
67 FX_BOOL GetHValueByName(const CFX_ByteStringC& utf8Name, | |
68 FXJSE_HVALUE hValue) override; | |
69 FX_BOOL SetHValueByName(const CFX_ByteStringC& utf8Name, | |
70 FXJSE_HVALUE hValue) override; | |
71 #endif // PDF_ENABLE_XFA | |
72 | |
73 void AddObserver(Observer* observer); | |
74 void RemoveObserver(Observer* observer); | |
75 | |
76 private: | |
77 void DefineJSObjects(); | |
78 | |
79 std::vector<std::unique_ptr<CJS_Context>> m_ContextArray; | |
80 CPDFDoc_Environment* const m_pApp; | |
81 CPDFSDK_Document* m_pDocument; | |
82 FX_BOOL m_bBlocking; | |
83 std::set<FieldEvent> m_FieldEventSet; | |
84 v8::Isolate* m_isolate; | |
85 bool m_isolateManaged; | |
86 v8::Global<v8::Context> m_context; | |
87 std::vector<v8::Global<v8::Object>*> m_StaticObjects; | |
88 std::map<CFX_WideString, v8::Global<v8::Array>> m_ConstArrays; | |
89 std::set<Observer*> m_observers; | |
90 }; | |
91 | |
92 #endif // FPDFSDK_JAVASCRIPT_JS_RUNTIME_H_ | |
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