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