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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_INCLUDE_JAVASCRIPT_JS_RUNTIME_H_ | |
8 #define FPDFSDK_INCLUDE_JAVASCRIPT_JS_RUNTIME_H_ | |
9 | |
10 #include <set> | |
11 #include <utility> | |
12 | |
13 #include "../../../core/include/fxcrt/fx_basic.h" | |
14 #include "../jsapi/fxjs_v8.h" | |
15 #include "IJavaScript.h" | |
16 #include "JS_EventHandler.h" | |
17 | |
18 class CJS_Context; | |
19 | |
20 class CJS_Runtime : public IFXJS_Runtime { | |
21 public: | |
22 class Observer { | |
23 public: | |
24 virtual void OnDestroyed() = 0; | |
25 | |
26 protected: | |
27 virtual ~Observer() {} | |
28 }; | |
29 | |
30 using FieldEvent = std::pair<CFX_WideString, JS_EVENT_T>; | |
31 | |
32 explicit CJS_Runtime(CPDFDoc_Environment* pApp); | |
33 ~CJS_Runtime() override; | |
34 | |
35 // IFXJS_Runtime | |
36 IFXJS_Context* NewContext() override; | |
37 void ReleaseContext(IFXJS_Context* pContext) override; | |
38 IFXJS_Context* GetCurrentContext() override; | |
39 void SetReaderDocument(CPDFSDK_Document* pReaderDoc) override; | |
40 CPDFSDK_Document* GetReaderDocument() override { return m_pDocument; } | |
41 | |
42 CPDFDoc_Environment* GetReaderApp() const { return m_pApp; } | |
43 | |
44 // Returns true if the event isn't already found in the set. | |
45 bool AddEventToSet(const FieldEvent& event); | |
46 void RemoveEventFromSet(const FieldEvent& event); | |
47 | |
48 void BeginBlock() { m_bBlocking = TRUE; } | |
49 void EndBlock() { m_bBlocking = FALSE; } | |
50 FX_BOOL IsBlocking() const { return m_bBlocking; } | |
51 | |
52 v8::Isolate* GetIsolate() const { return m_isolate; } | |
53 v8::Local<v8::Context> NewJSContext(); | |
54 | |
55 void AddObserver(Observer* observer); | |
56 void RemoveObserver(Observer* observer); | |
57 | |
58 private: | |
59 void DefineJSObjects(); | |
60 | |
61 CFX_ArrayTemplate<CJS_Context*> m_ContextArray; | |
62 CPDFDoc_Environment* m_pApp; | |
63 CPDFSDK_Document* m_pDocument; | |
64 FX_BOOL m_bBlocking; | |
65 std::set<FieldEvent> m_FieldEventSet; | |
66 v8::Isolate* m_isolate; | |
67 bool m_isolateManaged; | |
68 v8::Global<v8::Context> m_context; | |
69 std::set<Observer*> m_observers; | |
70 }; | |
71 | |
72 #endif // FPDFSDK_INCLUDE_JAVASCRIPT_JS_RUNTIME_H_ | |
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