OLD | NEW |
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 14 matching lines...) Expand all Loading... |
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef SerializedScriptValue_h | 31 #ifndef SerializedScriptValue_h |
32 #define SerializedScriptValue_h | 32 #define SerializedScriptValue_h |
33 | 33 |
34 #include "bindings/v8/ScriptValue.h" | 34 #include "bindings/v8/ScriptValue.h" |
35 | |
36 #include "wtf/HashMap.h" | 35 #include "wtf/HashMap.h" |
37 #include "wtf/ThreadSafeRefCounted.h" | 36 #include "wtf/ThreadSafeRefCounted.h" |
38 #include <v8.h> | 37 #include <v8.h> |
39 | 38 |
| 39 namespace blink { |
| 40 |
| 41 class WebBlobInfo; |
| 42 |
| 43 } |
| 44 |
40 namespace WTF { | 45 namespace WTF { |
41 | 46 |
42 class ArrayBuffer; | 47 class ArrayBuffer; |
43 class ArrayBufferContents; | 48 class ArrayBufferContents; |
44 | 49 |
45 } | 50 } |
46 | 51 |
47 namespace WebCore { | 52 namespace WebCore { |
48 | 53 |
49 class BlobDataHandle; | 54 class BlobDataHandle; |
50 class ExceptionState; | 55 class ExceptionState; |
51 class MessagePort; | 56 class MessagePort; |
52 | 57 |
53 typedef Vector<RefPtr<MessagePort>, 1> MessagePortArray; | 58 typedef Vector<RefPtr<MessagePort>, 1> MessagePortArray; |
54 typedef Vector<RefPtr<WTF::ArrayBuffer>, 1> ArrayBufferArray; | 59 typedef Vector<RefPtr<WTF::ArrayBuffer>, 1> ArrayBufferArray; |
55 typedef HashMap<String, RefPtr<BlobDataHandle> > BlobDataHandleMap; | 60 typedef HashMap<String, RefPtr<BlobDataHandle> > BlobDataHandleMap; |
| 61 typedef Vector<blink::WebBlobInfo> WebBlobInfoArray; |
56 | 62 |
57 class SerializedScriptValue FINAL : public ThreadSafeRefCounted<SerializedScript
Value> { | 63 class SerializedScriptValue FINAL : public ThreadSafeRefCounted<SerializedScript
Value> { |
58 public: | 64 public: |
59 // Increment this for each incompatible change to the wire format. | 65 // Increment this for each incompatible change to the wire format. |
60 // Version 2: Added StringUCharTag for UChar v8 strings. | 66 // Version 2: Added StringUCharTag for UChar v8 strings. |
61 // Version 3: Switched to using uuids as blob data identifiers. | 67 // Version 3: Switched to using uuids as blob data identifiers. |
62 // Version 4: Extended File serialization to be complete. | 68 // Version 4: Extended File serialization to be complete. |
63 // Version 5: Added CryptoKeyTag for Key objects. | 69 // Version 5: Added CryptoKeyTag for Key objects. |
64 static const uint32_t wireFormatVersion = 5; | 70 // Version 6: Added indexed serialization for File, Blob, and FileList. |
| 71 static const uint32_t wireFormatVersion = 6; |
65 | 72 |
66 ~SerializedScriptValue(); | 73 ~SerializedScriptValue(); |
67 | 74 |
68 // If a serialization error occurs (e.g., cyclic input value) this | 75 // If a serialization error occurs (e.g., cyclic input value) this |
69 // function returns an empty representation, schedules a V8 exception to | 76 // function returns an empty representation, schedules a V8 exception to |
70 // be thrown using v8::ThrowException(), and sets |didThrow|. In this case | 77 // be thrown using v8::ThrowException(), and sets |didThrow|. In this case |
71 // the caller must not invoke any V8 operations until control returns to | 78 // the caller must not invoke any V8 operations until control returns to |
72 // V8. When serialization is successful, |didThrow| is false. | 79 // V8. When serialization is successful, |didThrow| is false. |
73 static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>, Messa
gePortArray*, ArrayBufferArray*, ExceptionState&, v8::Isolate*); | 80 static PassRefPtr<SerializedScriptValue> create(v8::Handle<v8::Value>, Messa
gePortArray*, ArrayBufferArray*, ExceptionState&, v8::Isolate*); |
74 static PassRefPtr<SerializedScriptValue> createFromWire(const String&); | 81 static PassRefPtr<SerializedScriptValue> createFromWire(const String&); |
75 static PassRefPtr<SerializedScriptValue> createFromWireBytes(const Vector<ui
nt8_t>&); | 82 static PassRefPtr<SerializedScriptValue> createFromWireBytes(const Vector<ui
nt8_t>&); |
76 static PassRefPtr<SerializedScriptValue> create(const String&); | 83 static PassRefPtr<SerializedScriptValue> create(const String&); |
77 static PassRefPtr<SerializedScriptValue> create(const String&, v8::Isolate*)
; | 84 static PassRefPtr<SerializedScriptValue> create(const String&, v8::Isolate*)
; |
78 static PassRefPtr<SerializedScriptValue> create(); | 85 static PassRefPtr<SerializedScriptValue> create(); |
79 | 86 static PassRefPtr<SerializedScriptValue> create(const ScriptValue&, WebBlobI
nfoArray*, ExceptionState&, ScriptState*); |
80 static PassRefPtr<SerializedScriptValue> create(const ScriptValue&, Exceptio
nState&, ScriptState*); | |
81 | 87 |
82 // Never throws exceptions. | 88 // Never throws exceptions. |
83 static PassRefPtr<SerializedScriptValue> createAndSwallowExceptions(v8::Hand
le<v8::Value>, v8::Isolate*); | 89 static PassRefPtr<SerializedScriptValue> createAndSwallowExceptions(v8::Hand
le<v8::Value>, v8::Isolate*); |
84 | 90 |
85 static PassRefPtr<SerializedScriptValue> nullValue(); | 91 static PassRefPtr<SerializedScriptValue> nullValue(); |
86 | 92 |
87 String toWireString() const { return m_data; } | 93 String toWireString() const { return m_data; } |
88 void toWireBytes(Vector<char>&) const; | 94 void toWireBytes(Vector<char>&) const; |
89 | 95 |
90 // Deserializes the value (in the current context). Returns a null value in | 96 // Deserializes the value (in the current context). Returns a null value in |
91 // case of failure. | 97 // case of failure. |
92 v8::Handle<v8::Value> deserialize(MessagePortArray* = 0); | 98 v8::Handle<v8::Value> deserialize(MessagePortArray* = 0); |
93 v8::Handle<v8::Value> deserialize(v8::Isolate*, MessagePortArray* = 0); | 99 v8::Handle<v8::Value> deserialize(v8::Isolate*, MessagePortArray* = 0, const
WebBlobInfoArray* = 0); |
94 | 100 |
95 // Helper function which pulls the values out of a JS sequence and into a Me
ssagePortArray. | 101 // Helper function which pulls the values out of a JS sequence and into a Me
ssagePortArray. |
96 // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL
spec and section 8.3.3 | 102 // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL
spec and section 8.3.3 |
97 // of the HTML5 spec and generates exceptions as appropriate. | 103 // of the HTML5 spec and generates exceptions as appropriate. |
98 // Returns true if the array was filled, or false if the passed value was no
t of an appropriate type. | 104 // Returns true if the array was filled, or false if the passed value was no
t of an appropriate type. |
99 static bool extractTransferables(v8::Local<v8::Value>, int, MessagePortArray
&, ArrayBufferArray&, ExceptionState&, v8::Isolate*); | 105 static bool extractTransferables(v8::Local<v8::Value>, int, MessagePortArray
&, ArrayBufferArray&, ExceptionState&, v8::Isolate*); |
100 | 106 |
101 // Only reflects the truth if the SSV was created by walking a v8 value, not
reliable | 107 // Only reflects the truth if the SSV was created by walking a v8 value, not
reliable |
102 // if the SSV was created createdFromWire(data). | 108 // if the SSV was created createdFromWire(data). |
103 bool containsBlobs() const { return !m_blobDataHandles.isEmpty(); } | 109 bool containsBlobs() const { return !m_blobDataHandles.isEmpty(); } |
104 | 110 |
105 // Informs the V8 about external memory allocated and owned by this object.
Large values should contribute | 111 // Informs the V8 about external memory allocated and owned by this object.
Large values should contribute |
106 // to GC counters to eventually trigger a GC, otherwise flood of postMessage
() can cause OOM. | 112 // to GC counters to eventually trigger a GC, otherwise flood of postMessage
() can cause OOM. |
107 // Ok to invoke multiple times (only adds memory once). | 113 // Ok to invoke multiple times (only adds memory once). |
108 // The memory registration is revoked automatically in destructor. | 114 // The memory registration is revoked automatically in destructor. |
109 void registerMemoryAllocatedWithCurrentScriptContext(); | 115 void registerMemoryAllocatedWithCurrentScriptContext(); |
110 | 116 |
111 private: | 117 private: |
112 enum StringDataMode { | 118 enum StringDataMode { |
113 StringValue, | 119 StringValue, |
114 WireData | 120 WireData |
115 }; | 121 }; |
116 typedef Vector<WTF::ArrayBufferContents, 1> ArrayBufferContentsArray; | 122 typedef Vector<WTF::ArrayBufferContents, 1> ArrayBufferContentsArray; |
117 | 123 |
118 SerializedScriptValue(); | 124 SerializedScriptValue(); |
119 SerializedScriptValue(v8::Handle<v8::Value>, MessagePortArray*, ArrayBufferA
rray*, ExceptionState&, v8::Isolate*); | 125 SerializedScriptValue(v8::Handle<v8::Value>, MessagePortArray*, ArrayBufferA
rray*, WebBlobInfoArray*, ExceptionState&, v8::Isolate*); |
120 explicit SerializedScriptValue(const String& wireData); | 126 explicit SerializedScriptValue(const String& wireData); |
121 | 127 |
122 static PassOwnPtr<ArrayBufferContentsArray> transferArrayBuffers(ArrayBuffer
Array&, ExceptionState&, v8::Isolate*); | 128 static PassOwnPtr<ArrayBufferContentsArray> transferArrayBuffers(ArrayBuffer
Array&, ExceptionState&, v8::Isolate*); |
123 | 129 |
124 String m_data; | 130 String m_data; |
125 OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray; | 131 OwnPtr<ArrayBufferContentsArray> m_arrayBufferContentsArray; |
126 BlobDataHandleMap m_blobDataHandles; | 132 BlobDataHandleMap m_blobDataHandles; |
127 intptr_t m_externallyAllocatedMemory; | 133 intptr_t m_externallyAllocatedMemory; |
128 }; | 134 }; |
129 | 135 |
130 } // namespace WebCore | 136 } // namespace WebCore |
131 | 137 |
132 #endif // SerializedScriptValue_h | 138 #endif // SerializedScriptValue_h |
OLD | NEW |