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| 1 /* | 1 /* |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2009 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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| 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 V8DOMWrapper_h | 31 #ifndef V8DOMWrapper_h |
| 32 #define V8DOMWrapper_h | 32 #define V8DOMWrapper_h |
| 33 | 33 |
| 34 #include "bindings/core/v8/BindingSecurity.h" | 34 #include "bindings/core/v8/BindingSecurity.h" |
| 35 #include "bindings/core/v8/DOMDataStore.h" | 35 #include "bindings/core/v8/DOMDataStore.h" |
| 36 #include "bindings/core/v8/ScriptWrappable.h" | 36 #include "bindings/core/v8/ScriptWrappable.h" |
| 37 #include "bindings/core/v8/V8Binding.h" | 37 #include "bindings/core/v8/V8Binding.h" |
| 38 #include "core/CoreExport.h" |
| 38 #include "wtf/PassRefPtr.h" | 39 #include "wtf/PassRefPtr.h" |
| 39 #include "wtf/RawPtr.h" | 40 #include "wtf/RawPtr.h" |
| 40 #include "wtf/text/AtomicString.h" | 41 #include "wtf/text/AtomicString.h" |
| 41 #include <v8.h> | 42 #include <v8.h> |
| 42 | 43 |
| 43 namespace blink { | 44 namespace blink { |
| 44 | 45 |
| 45 class Node; | 46 class Node; |
| 46 struct WrapperTypeInfo; | 47 struct WrapperTypeInfo; |
| 47 | 48 |
| 48 class V8DOMWrapper { | 49 class V8DOMWrapper { |
| 49 STATIC_ONLY(V8DOMWrapper); | 50 STATIC_ONLY(V8DOMWrapper); |
| 50 public: | 51 public: |
| 51 static v8::Local<v8::Object> createWrapper(v8::Isolate*, v8::Local<v8::Objec
t> creationContext, const WrapperTypeInfo*, ScriptWrappable*); | 52 static v8::Local<v8::Object> createWrapper(v8::Isolate*, v8::Local<v8::Objec
t> creationContext, const WrapperTypeInfo*, ScriptWrappable*); |
| 52 static bool isWrapper(v8::Isolate*, v8::Local<v8::Value>); | 53 static bool isWrapper(v8::Isolate*, v8::Local<v8::Value>); |
| 53 | 54 |
| 54 // Associates the given ScriptWrappable with the given |wrapper| if the | 55 // Associates the given ScriptWrappable with the given |wrapper| if the |
| 55 // ScriptWrappable is not yet associated with any wrapper. Returns the | 56 // ScriptWrappable is not yet associated with any wrapper. Returns the |
| 56 // wrapper already associated or |wrapper| if not yet associated. | 57 // wrapper already associated or |wrapper| if not yet associated. |
| 57 // The caller should always use the returned value rather than |wrapper|. | 58 // The caller should always use the returned value rather than |wrapper|. |
| 58 static v8::Local<v8::Object> associateObjectWithWrapper(v8::Isolate*, Script
Wrappable*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) WARN_UNUSED_R
ETURN; | 59 static v8::Local<v8::Object> associateObjectWithWrapper(v8::Isolate*, Script
Wrappable*, const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) WARN_UNUSED_R
ETURN; |
| 59 static v8::Local<v8::Object> associateObjectWithWrapper(v8::Isolate*, Node*,
const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) WARN_UNUSED_RETURN; | 60 static v8::Local<v8::Object> associateObjectWithWrapper(v8::Isolate*, Node*,
const WrapperTypeInfo*, v8::Local<v8::Object> wrapper) WARN_UNUSED_RETURN; |
| 60 static void setNativeInfo(v8::Local<v8::Object>, const WrapperTypeInfo*, Scr
iptWrappable*); | 61 static void setNativeInfo(v8::Local<v8::Object>, const WrapperTypeInfo*, Scr
iptWrappable*); |
| 61 static void clearNativeInfo(v8::Local<v8::Object>, const WrapperTypeInfo*); | 62 static void clearNativeInfo(v8::Local<v8::Object>, const WrapperTypeInfo*); |
| 62 // hasInternalFieldsSet only checks if the value has the internal fields for | 63 // hasInternalFieldsSet only checks if the value has the internal fields for |
| 63 // wrapper obejct and type, and does not check if it's valid or not. The | 64 // wrapper obejct and type, and does not check if it's valid or not. The |
| 64 // value may not be a Blink's wrapper object. In order to make sure of it, | 65 // value may not be a Blink's wrapper object. In order to make sure of it, |
| 65 // Use isWrapper function instead. | 66 // Use isWrapper function instead. |
| 66 static bool hasInternalFieldsSet(v8::Local<v8::Value>); | 67 CORE_EXPORT static bool hasInternalFieldsSet(v8::Local<v8::Value>); |
| 67 }; | 68 }; |
| 68 | 69 |
| 69 inline void V8DOMWrapper::setNativeInfo(v8::Local<v8::Object> wrapper, const Wra
pperTypeInfo* wrapperTypeInfo, ScriptWrappable* scriptWrappable) | 70 inline void V8DOMWrapper::setNativeInfo(v8::Local<v8::Object> wrapper, const Wra
pperTypeInfo* wrapperTypeInfo, ScriptWrappable* scriptWrappable) |
| 70 { | 71 { |
| 71 ASSERT(wrapper->InternalFieldCount() >= 2); | 72 ASSERT(wrapper->InternalFieldCount() >= 2); |
| 72 ASSERT(scriptWrappable); | 73 ASSERT(scriptWrappable); |
| 73 ASSERT(wrapperTypeInfo); | 74 ASSERT(wrapperTypeInfo); |
| 74 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, scriptWra
ppable); | 75 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, scriptWra
ppable); |
| 75 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); | 76 wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, const_cast<
WrapperTypeInfo*>(wrapperTypeInfo)); |
| 76 } | 77 } |
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| 161 | 162 |
| 162 bool m_didEnterContext; | 163 bool m_didEnterContext; |
| 163 v8::Local<v8::Context> m_context; | 164 v8::Local<v8::Context> m_context; |
| 164 v8::TryCatch m_tryCatch; | 165 v8::TryCatch m_tryCatch; |
| 165 bool m_convertExceptions; | 166 bool m_convertExceptions; |
| 166 }; | 167 }; |
| 167 | 168 |
| 168 } // namespace blink | 169 } // namespace blink |
| 169 | 170 |
| 170 #endif // V8DOMWrapper_h | 171 #endif // V8DOMWrapper_h |
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