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

Issue 718383003: bindings: fixed incorrect dependency of SerializedScriptValue. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Created 6 years, 1 month 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
(...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after
49 class DOMArrayBuffer; 49 class DOMArrayBuffer;
50 class ExceptionState; 50 class ExceptionState;
51 class MessagePort; 51 class MessagePort;
52 class WebBlobInfo; 52 class WebBlobInfo;
53 53
54 typedef WillBeHeapVector<RefPtrWillBeMember<MessagePort>, 1> MessagePortArray; 54 typedef WillBeHeapVector<RefPtrWillBeMember<MessagePort>, 1> MessagePortArray;
55 typedef Vector<RefPtr<DOMArrayBuffer>, 1> ArrayBufferArray; 55 typedef Vector<RefPtr<DOMArrayBuffer>, 1> ArrayBufferArray;
56 typedef HashMap<String, RefPtr<BlobDataHandle> > BlobDataHandleMap; 56 typedef HashMap<String, RefPtr<BlobDataHandle> > BlobDataHandleMap;
57 typedef Vector<blink::WebBlobInfo> WebBlobInfoArray; 57 typedef Vector<blink::WebBlobInfo> WebBlobInfoArray;
58 58
59 class SerializedScriptValue final : public ThreadSafeRefCounted<SerializedScript Value> { 59 class SerializedScriptValue : public ThreadSafeRefCounted<SerializedScriptValue> {
60 public: 60 public:
61 // Increment this for each incompatible change to the wire format. 61 // Increment this for each incompatible change to the wire format.
62 // Version 2: Added StringUCharTag for UChar v8 strings. 62 // Version 2: Added StringUCharTag for UChar v8 strings.
63 // Version 3: Switched to using uuids as blob data identifiers. 63 // Version 3: Switched to using uuids as blob data identifiers.
64 // Version 4: Extended File serialization to be complete. 64 // Version 4: Extended File serialization to be complete.
65 // Version 5: Added CryptoKeyTag for Key objects. 65 // Version 5: Added CryptoKeyTag for Key objects.
66 // Version 6: Added indexed serialization for File, Blob, and FileList. 66 // Version 6: Added indexed serialization for File, Blob, and FileList.
67 // Version 7: Extended File serialization with user visibility. 67 // Version 7: Extended File serialization with user visibility.
68 static const uint32_t wireFormatVersion = 7; 68 static const uint32_t wireFormatVersion = 7;
69 69
70 ~SerializedScriptValue();
71
72 // VarInt encoding constants. 70 // VarInt encoding constants.
73 static const int varIntShift = 7; 71 static const int varIntShift = 7;
74 static const int varIntMask = (1 << varIntShift) - 1; 72 static const int varIntMask = (1 << varIntShift) - 1;
75 73
76 // If a serialization error occurs (e.g., cyclic input value) this 74 virtual ~SerializedScriptValue();
77 // function returns an empty representation, schedules a V8 exception to
78 // be thrown using v8::ThrowException(), and sets |didThrow|. In this case
79 // the caller must not invoke any V8 operations until control returns to
80 // V8. When serialization is successful, |didThrow| is false.
81 static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>, Messa gePortArray*, ArrayBufferArray*, ExceptionState&, v8::Isolate*);
82 static PassRefPtr<SerializedScriptValue> createFromWire(const String&);
83 static PassRefPtr<SerializedScriptValue> createFromWireBytes(const Vector<ui nt8_t>&);
84 static PassRefPtr<SerializedScriptValue> create(const String&);
85 static PassRefPtr<SerializedScriptValue> create(const String&, v8::Isolate*) ;
86 static PassRefPtr<SerializedScriptValue> create();
87 static PassRefPtr<SerializedScriptValue> create(const ScriptValue&, WebBlobI nfoArray*, ExceptionState&, v8::Isolate*);
88
89 // Never throws exceptions.
90 static PassRefPtr<SerializedScriptValue> createAndSwallowExceptions(v8::Isol ate*, v8::Handle<v8::Value>);
91 75
92 static PassRefPtr<SerializedScriptValue> nullValue(); 76 static PassRefPtr<SerializedScriptValue> nullValue();
93 77
94 String toWireString() const { return m_data; } 78 String toWireString() const { return m_data; }
95 void toWireBytes(Vector<char>&) const; 79 void toWireBytes(Vector<char>&) const;
96 80
97 // Deserializes the value (in the current context). Returns a null value in 81 // Deserializes the value (in the current context). Returns a null value in
98 // case of failure. 82 // case of failure.
99 v8::Handle<v8::Value> deserialize(MessagePortArray* = 0); 83 v8::Handle<v8::Value> deserialize(MessagePortArray* = 0);
100 v8::Handle<v8::Value> deserialize(v8::Isolate*, MessagePortArray* = 0, const WebBlobInfoArray* = 0); 84 virtual v8::Handle<v8::Value> deserialize(v8::Isolate*, MessagePortArray* = 0, const WebBlobInfoArray* = 0);
101 85
102 // Helper function which pulls the values out of a JS sequence and into a Me ssagePortArray. 86 // Helper function which pulls the values out of a JS sequence and into a Me ssagePortArray.
103 // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3 87 // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3
104 // of the HTML5 spec and generates exceptions as appropriate. 88 // of the HTML5 spec and generates exceptions as appropriate.
105 // Returns true if the array was filled, or false if the passed value was no t of an appropriate type. 89 // Returns true if the array was filled, or false if the passed value was no t of an appropriate type.
106 static bool extractTransferables(v8::Isolate*, v8::Local<v8::Value>, int, Me ssagePortArray&, ArrayBufferArray&, ExceptionState&); 90 static bool extractTransferables(v8::Isolate*, v8::Local<v8::Value>, int, Me ssagePortArray&, ArrayBufferArray&, ExceptionState&);
107 91
108 // Informs the V8 about external memory allocated and owned by this object. Large values should contribute 92 // Informs the V8 about external memory allocated and owned by this object. Large values should contribute
109 // to GC counters to eventually trigger a GC, otherwise flood of postMessage () can cause OOM. 93 // to GC counters to eventually trigger a GC, otherwise flood of postMessage () can cause OOM.
110 // Ok to invoke multiple times (only adds memory once). 94 // Ok to invoke multiple times (only adds memory once).
111 // The memory registration is revoked automatically in destructor. 95 // The memory registration is revoked automatically in destructor.
112 void registerMemoryAllocatedWithCurrentScriptContext(); 96 void registerMemoryAllocatedWithCurrentScriptContext();
113 97
114 private: 98 protected:
115 enum StringDataMode { 99 enum StringDataMode {
116 StringValue, 100 StringValue,
117 WireData 101 WireData
118 }; 102 };
119 typedef Vector<WTF::ArrayBufferContents, 1> ArrayBufferContentsArray; 103 typedef Vector<WTF::ArrayBufferContents, 1> ArrayBufferContentsArray;
120 104
121 SerializedScriptValue(); 105 SerializedScriptValue();
122 SerializedScriptValue(v8::Handle<v8::Value>, MessagePortArray*, ArrayBufferA rray*, WebBlobInfoArray*, ExceptionState&, v8::Isolate*); 106 SerializedScriptValue(v8::Handle<v8::Value>, MessagePortArray*, ArrayBufferA rray*, WebBlobInfoArray*, ExceptionState&, v8::Isolate*);
123 explicit SerializedScriptValue(const String& wireData); 107 explicit SerializedScriptValue(const String& wireData);
124 108
125 static PassOwnPtr<ArrayBufferContentsArray> transferArrayBuffers(v8::Isolate *, ArrayBufferArray&, ExceptionState&); 109 BlobDataHandleMap& blobDataHandles() { return m_blobDataHandles; }
110 String& data() { return m_data; }
111 void setData(const String& data) { m_data = data; }
112 void transferArrayBuffers(v8::Isolate*, ArrayBufferArray&, ExceptionState&);
113 ArrayBufferContentsArray* arrayBufferContentsArray() { return m_arrayBufferC ontentsArray.get(); }
114
115 private:
116 static PassOwnPtr<ArrayBufferContentsArray> createArrayBuffers(v8::Isolate*, ArrayBufferArray&, ExceptionState&);
126 117
127 String m_data; 118 String m_data;
128 OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray; 119 OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray;
129 BlobDataHandleMap m_blobDataHandles; 120 BlobDataHandleMap m_blobDataHandles;
130 intptr_t m_externallyAllocatedMemory; 121 intptr_t m_externallyAllocatedMemory;
122
123 friend class SerializedScriptValueFactory;
131 }; 124 };
132 125
133 } // namespace blink 126 } // namespace blink
134 127
135 #endif // SerializedScriptValue_h 128 #endif // SerializedScriptValue_h
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