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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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