Index: Source/bindings/v8/WrapperTypeInfo.h |
diff --git a/Source/bindings/v8/WrapperTypeInfo.h b/Source/bindings/v8/WrapperTypeInfo.h |
deleted file mode 100644 |
index 3d92f6adb0d3c171b420e0bf6ff610fc342cf0ec..0000000000000000000000000000000000000000 |
--- a/Source/bindings/v8/WrapperTypeInfo.h |
+++ /dev/null |
@@ -1,249 +0,0 @@ |
-/* |
- * Copyright (C) 2010 Google Inc. All rights reserved. |
- * |
- * Redistribution and use in source and binary forms, with or without |
- * modification, are permitted provided that the following conditions are |
- * met: |
- * |
- * * Redistributions of source code must retain the above copyright |
- * notice, this list of conditions and the following disclaimer. |
- * * Redistributions in binary form must reproduce the above |
- * copyright notice, this list of conditions and the following disclaimer |
- * in the documentation and/or other materials provided with the |
- * distribution. |
- * * Neither the name of Google Inc. nor the names of its |
- * contributors may be used to endorse or promote products derived from |
- * this software without specific prior written permission. |
- * |
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
- */ |
- |
-#ifndef WrapperTypeInfo_h |
-#define WrapperTypeInfo_h |
- |
-#include "gin/public/wrapper_info.h" |
-#include "platform/heap/Handle.h" |
-#include "wtf/Assertions.h" |
-#include <v8.h> |
- |
-namespace WebCore { |
- |
- class ActiveDOMObject; |
- class EventTarget; |
- class Node; |
- |
- static const int v8DOMWrapperTypeIndex = static_cast<int>(gin::kWrapperInfoIndex); |
- static const int v8DOMWrapperObjectIndex = static_cast<int>(gin::kEncodedValueIndex); |
- static const int v8DefaultWrapperInternalFieldCount = static_cast<int>(gin::kNumberOfInternalFields); |
- static const int v8PrototypeTypeIndex = 0; |
- static const int v8PrototypeInternalFieldcount = 1; |
- |
- static const uint16_t v8DOMNodeClassId = 1; |
- static const uint16_t v8DOMObjectClassId = 2; |
- |
- typedef v8::Handle<v8::FunctionTemplate> (*DomTemplateFunction)(v8::Isolate*); |
- typedef void (*DerefObjectFunction)(void*); |
- typedef ActiveDOMObject* (*ToActiveDOMObjectFunction)(v8::Handle<v8::Object>); |
- typedef EventTarget* (*ToEventTargetFunction)(v8::Handle<v8::Object>); |
- typedef void (*ResolveWrapperReachabilityFunction)(void*, const v8::Persistent<v8::Object>&, v8::Isolate*); |
- typedef void (*InstallPerContextEnabledPrototypePropertiesFunction)(v8::Handle<v8::Object>, v8::Isolate*); |
- |
- enum WrapperTypePrototype { |
- WrapperTypeObjectPrototype, |
- WrapperTypeExceptionPrototype |
- }; |
- |
- enum GCType { |
- GarbageCollectedObject, |
- WillBeGarbageCollectedObject, |
- RefCountedObject, |
- }; |
- |
- inline void setObjectGroup(void* object, const v8::Persistent<v8::Object>& wrapper, v8::Isolate* isolate) |
- { |
- isolate->SetObjectGroupId(wrapper, v8::UniqueId(reinterpret_cast<intptr_t>(object))); |
- } |
- |
- // This struct provides a way to store a bunch of information that is helpful when unwrapping |
- // v8 objects. Each v8 bindings class has exactly one static WrapperTypeInfo member, so |
- // comparing pointers is a safe way to determine if types match. |
- struct WrapperTypeInfo { |
- |
- static const WrapperTypeInfo* unwrap(v8::Handle<v8::Value> typeInfoWrapper) |
- { |
- return reinterpret_cast<const WrapperTypeInfo*>(v8::External::Cast(*typeInfoWrapper)->Value()); |
- } |
- |
- |
- bool equals(const WrapperTypeInfo* that) const |
- { |
- return this == that; |
- } |
- |
- bool isSubclass(const WrapperTypeInfo* that) const |
- { |
- for (const WrapperTypeInfo* current = this; current; current = current->parentClass) { |
- if (current == that) |
- return true; |
- } |
- |
- return false; |
- } |
- |
- v8::Handle<v8::FunctionTemplate> domTemplate(v8::Isolate* isolate) const |
- { |
- return domTemplateFunction(isolate); |
- } |
- |
- void installPerContextEnabledMethods(v8::Handle<v8::Object> prototypeTemplate, v8::Isolate* isolate) const |
- { |
- if (installPerContextEnabledMethodsFunction) |
- installPerContextEnabledMethodsFunction(prototypeTemplate, isolate); |
- } |
- |
- ActiveDOMObject* toActiveDOMObject(v8::Handle<v8::Object> object) const |
- { |
- if (!toActiveDOMObjectFunction) |
- return 0; |
- return toActiveDOMObjectFunction(object); |
- } |
- |
- EventTarget* toEventTarget(v8::Handle<v8::Object> object) const |
- { |
- if (!toEventTargetFunction) |
- return 0; |
- return toEventTargetFunction(object); |
- } |
- |
- void visitDOMWrapper(void* object, const v8::Persistent<v8::Object>& wrapper, v8::Isolate* isolate) const |
- { |
- if (!visitDOMWrapperFunction) |
- setObjectGroup(object, wrapper, isolate); |
- else |
- visitDOMWrapperFunction(object, wrapper, isolate); |
- } |
- |
- // This field must be the first member of the struct WrapperTypeInfo. This is also checked by a COMPILE_ASSERT() below. |
- const gin::GinEmbedder ginEmbedder; |
- |
- const DomTemplateFunction domTemplateFunction; |
- const DerefObjectFunction derefObjectFunction; |
- const ToActiveDOMObjectFunction toActiveDOMObjectFunction; |
- const ToEventTargetFunction toEventTargetFunction; |
- const ResolveWrapperReachabilityFunction visitDOMWrapperFunction; |
- const InstallPerContextEnabledPrototypePropertiesFunction installPerContextEnabledMethodsFunction; |
- const WrapperTypeInfo* parentClass; |
- const WrapperTypePrototype wrapperTypePrototype; |
- const GCType gcType; |
- }; |
- |
- |
- COMPILE_ASSERT(offsetof(struct WrapperTypeInfo, ginEmbedder) == offsetof(struct gin::WrapperInfo, embedder), wrapper_type_info_compatible_to_gin); |
- |
- template<typename T, int offset> |
- inline T* getInternalField(const v8::Persistent<v8::Object>& persistent) |
- { |
- // This would be unsafe, but InternalFieldCount and GetAlignedPointerFromInternalField are guaranteed not to allocate |
- const v8::Handle<v8::Object>& object = reinterpret_cast<const v8::Handle<v8::Object>&>(persistent); |
- ASSERT(offset < object->InternalFieldCount()); |
- return static_cast<T*>(object->GetAlignedPointerFromInternalField(offset)); |
- } |
- |
- template<typename T, int offset> |
- inline T* getInternalField(v8::Handle<v8::Object> wrapper) |
- { |
- ASSERT(offset < wrapper->InternalFieldCount()); |
- return static_cast<T*>(wrapper->GetAlignedPointerFromInternalField(offset)); |
- } |
- |
- inline void* toNative(const v8::Persistent<v8::Object>& wrapper) |
- { |
- return getInternalField<void, v8DOMWrapperObjectIndex>(wrapper); |
- } |
- |
- inline void* toNative(v8::Handle<v8::Object> wrapper) |
- { |
- return getInternalField<void, v8DOMWrapperObjectIndex>(wrapper); |
- } |
- |
- inline const WrapperTypeInfo* toWrapperTypeInfo(const v8::Persistent<v8::Object>& wrapper) |
- { |
- return getInternalField<WrapperTypeInfo, v8DOMWrapperTypeIndex>(wrapper); |
- } |
- |
- inline const WrapperTypeInfo* toWrapperTypeInfo(v8::Handle<v8::Object> wrapper) |
- { |
- return getInternalField<WrapperTypeInfo, v8DOMWrapperTypeIndex>(wrapper); |
- } |
- |
- inline const PersistentNode* toPersistentHandle(const v8::Handle<v8::Object>& wrapper) |
- { |
- // Persistent handle is stored in the last internal field. |
- return static_cast<PersistentNode*>(wrapper->GetAlignedPointerFromInternalField(wrapper->InternalFieldCount() - 1)); |
- } |
- |
- inline void releaseObject(v8::Handle<v8::Object> wrapper) |
- { |
- const WrapperTypeInfo* typeInfo = toWrapperTypeInfo(wrapper); |
- if (typeInfo->gcType == GarbageCollectedObject) { |
- const PersistentNode* handle = toPersistentHandle(wrapper); |
- // This will be null iff a wrapper for a hidden wrapper object, |
- // see V8DOMWrapper::setNativeInfoForHiddenWrapper(). |
- delete handle; |
- } else if (typeInfo->gcType == WillBeGarbageCollectedObject) { |
-#if ENABLE(OILPAN) |
- const PersistentNode* handle = toPersistentHandle(wrapper); |
- // This will be null iff a wrapper for a hidden wrapper object, |
- // see V8DOMWrapper::setNativeInfoForHiddenWrapper(). |
- delete handle; |
-#else |
- ASSERT(typeInfo->derefObjectFunction); |
- typeInfo->derefObjectFunction(toNative(wrapper)); |
-#endif |
- } else { |
- ASSERT(typeInfo->derefObjectFunction); |
- typeInfo->derefObjectFunction(toNative(wrapper)); |
- } |
- } |
- |
- struct WrapperConfiguration { |
- |
- enum Lifetime { |
- Dependent, Independent |
- }; |
- |
- void configureWrapper(v8::PersistentBase<v8::Object>* wrapper) const |
- { |
- wrapper->SetWrapperClassId(classId); |
- if (lifetime == Independent) |
- wrapper->MarkIndependent(); |
- } |
- |
- const uint16_t classId; |
- const Lifetime lifetime; |
- }; |
- |
- inline WrapperConfiguration buildWrapperConfiguration(void*, WrapperConfiguration::Lifetime lifetime) |
- { |
- WrapperConfiguration configuration = {v8DOMObjectClassId, lifetime}; |
- return configuration; |
- } |
- |
- inline WrapperConfiguration buildWrapperConfiguration(Node*, WrapperConfiguration::Lifetime lifetime) |
- { |
- WrapperConfiguration configuration = {v8DOMNodeClassId, lifetime}; |
- return configuration; |
- } |
-} |
- |
-#endif // WrapperTypeInfo_h |