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Side by Side Diff: Source/bindings/v8/SerializedScriptValue.h

Issue 19457002: Make 'any'-typed attributes of events available in isolated worlds (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Patch for landing Created 7 years, 5 months ago
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1 /* 1 /*
2 * Copyright (C) 2009, 2010 Google Inc. All rights reserved. 2 * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
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51 51
52 class SerializedScriptValue : public ThreadSafeRefCounted<SerializedScriptValue> { 52 class SerializedScriptValue : public ThreadSafeRefCounted<SerializedScriptValue> {
53 public: 53 public:
54 virtual ~SerializedScriptValue(); 54 virtual ~SerializedScriptValue();
55 55
56 // If a serialization error occurs (e.g., cyclic input value) this 56 // If a serialization error occurs (e.g., cyclic input value) this
57 // function returns an empty representation, schedules a V8 exception to 57 // function returns an empty representation, schedules a V8 exception to
58 // be thrown using v8::ThrowException(), and sets |didThrow|. In this case 58 // be thrown using v8::ThrowException(), and sets |didThrow|. In this case
59 // the caller must not invoke any V8 operations until control returns to 59 // the caller must not invoke any V8 operations until control returns to
60 // V8. When serialization is successful, |didThrow| is false. 60 // V8. When serialization is successful, |didThrow| is false.
61 static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>, Messa gePortArray*, ArrayBufferArray*, bool&); 61 static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>, Messa gePortArray*, ArrayBufferArray*, bool& didThrow, v8::Isolate*);
62 static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>, Messa gePortArray*, ArrayBufferArray*, bool&, v8::Isolate*);
63 static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>);
64 static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>, v8::I solate*); 62 static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>, v8::I solate*);
65 static PassRefPtr<SerializedScriptValue> createFromWire(const String&); 63 static PassRefPtr<SerializedScriptValue> createFromWire(const String&);
66 static PassRefPtr<SerializedScriptValue> createFromWireBytes(const Vector<ui nt8_t>&); 64 static PassRefPtr<SerializedScriptValue> createFromWireBytes(const Vector<ui nt8_t>&);
67 static PassRefPtr<SerializedScriptValue> create(const String&); 65 static PassRefPtr<SerializedScriptValue> create(const String&);
68 static PassRefPtr<SerializedScriptValue> create(const String&, v8::Isolate*) ; 66 static PassRefPtr<SerializedScriptValue> create(const String&, v8::Isolate*) ;
69 static PassRefPtr<SerializedScriptValue> create(); 67 static PassRefPtr<SerializedScriptValue> create();
70 68
69 // Never throws exceptions.
70 static PassRefPtr<SerializedScriptValue> createAndSwallowExceptions(v8::Hand le<v8::Value>, v8::Isolate*);
71
71 static PassRefPtr<SerializedScriptValue> nullValue(); 72 static PassRefPtr<SerializedScriptValue> nullValue();
72 static PassRefPtr<SerializedScriptValue> nullValue(v8::Isolate*); 73 static PassRefPtr<SerializedScriptValue> nullValue(v8::Isolate*);
73 static PassRefPtr<SerializedScriptValue> undefinedValue(); 74 static PassRefPtr<SerializedScriptValue> undefinedValue();
74 static PassRefPtr<SerializedScriptValue> undefinedValue(v8::Isolate*); 75 static PassRefPtr<SerializedScriptValue> undefinedValue(v8::Isolate*);
75 static PassRefPtr<SerializedScriptValue> booleanValue(bool); 76 static PassRefPtr<SerializedScriptValue> booleanValue(bool);
76 static PassRefPtr<SerializedScriptValue> booleanValue(bool, v8::Isolate*); 77 static PassRefPtr<SerializedScriptValue> booleanValue(bool, v8::Isolate*);
77 static PassRefPtr<SerializedScriptValue> numberValue(double); 78 static PassRefPtr<SerializedScriptValue> numberValue(double);
78 static PassRefPtr<SerializedScriptValue> numberValue(double, v8::Isolate*); 79 static PassRefPtr<SerializedScriptValue> numberValue(double, v8::Isolate*);
79 80
80 static uint32_t wireFormatVersion(); 81 static uint32_t wireFormatVersion();
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97 // to GC counters to eventually trigger a GC, otherwise flood of postMessage () can cause OOM. 98 // to GC counters to eventually trigger a GC, otherwise flood of postMessage () can cause OOM.
98 // Ok to invoke multiple times (only adds memory once). 99 // Ok to invoke multiple times (only adds memory once).
99 // The memory registration is revoked automatically in destructor. 100 // The memory registration is revoked automatically in destructor.
100 void registerMemoryAllocatedWithCurrentScriptContext(); 101 void registerMemoryAllocatedWithCurrentScriptContext();
101 102
102 private: 103 private:
103 enum StringDataMode { 104 enum StringDataMode {
104 StringValue, 105 StringValue,
105 WireData 106 WireData
106 }; 107 };
108 enum ExceptionPolicy {
109 ThrowExceptions,
110 DoNotThrowExceptions
111 };
107 typedef Vector<WTF::ArrayBufferContents, 1> ArrayBufferContentsArray; 112 typedef Vector<WTF::ArrayBufferContents, 1> ArrayBufferContentsArray;
108 113
109 SerializedScriptValue(); 114 SerializedScriptValue();
110 SerializedScriptValue(v8::Handle<v8::Value>, MessagePortArray*, ArrayBufferA rray*, bool& didThrow, v8::Isolate*); 115 SerializedScriptValue(v8::Handle<v8::Value>, MessagePortArray*, ArrayBufferA rray*, bool& didThrow, v8::Isolate*, ExceptionPolicy = ThrowExceptions);
111 explicit SerializedScriptValue(const String& wireData); 116 explicit SerializedScriptValue(const String& wireData);
112 117
113 static PassOwnPtr<ArrayBufferContentsArray> transferArrayBuffers(ArrayBuffer Array&, bool& didThrow, v8::Isolate*); 118 static PassOwnPtr<ArrayBufferContentsArray> transferArrayBuffers(ArrayBuffer Array&, bool& didThrow, v8::Isolate*);
114 119
115 String m_data; 120 String m_data;
116 OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray; 121 OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray;
117 Vector<String> m_blobURLs; 122 Vector<String> m_blobURLs;
118 intptr_t m_externallyAllocatedMemory; 123 intptr_t m_externallyAllocatedMemory;
119 }; 124 };
120 125
121 } // namespace WebCore 126 } // namespace WebCore
122 127
123 #endif // SerializedScriptValue_h 128 #endif // SerializedScriptValue_h
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