Index: Source/bindings/v8/DOMDataStore.h |
diff --git a/Source/bindings/v8/DOMDataStore.h b/Source/bindings/v8/DOMDataStore.h |
deleted file mode 100644 |
index 852e8110a32eee586f6e65614681207e3895b985..0000000000000000000000000000000000000000 |
--- a/Source/bindings/v8/DOMDataStore.h |
+++ /dev/null |
@@ -1,212 +0,0 @@ |
-/* |
- * Copyright (C) 2009 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 DOMDataStore_h |
-#define DOMDataStore_h |
- |
-#include "bindings/v8/DOMWrapperMap.h" |
-#include "bindings/v8/DOMWrapperWorld.h" |
-#include "bindings/v8/ScriptWrappable.h" |
-#include "bindings/v8/WrapperTypeInfo.h" |
-#include <v8.h> |
-#include "wtf/Noncopyable.h" |
-#include "wtf/StdLibExtras.h" |
- |
-namespace WebCore { |
- |
-class Node; |
- |
-class DOMDataStore { |
- WTF_MAKE_NONCOPYABLE(DOMDataStore); |
-public: |
- explicit DOMDataStore(bool isMainWorld); |
- ~DOMDataStore(); |
- |
- static DOMDataStore& current(v8::Isolate*); |
- |
- // We can use a wrapper stored in a ScriptWrappable when we're in the main world. |
- // This method does the fast check if we're in the main world. If this method returns true, |
- // it is guaranteed that we're in the main world. On the other hand, if this method returns |
- // false, nothing is guaranteed (we might be in the main world). |
- template<typename T> |
- static bool canUseScriptWrappable(T* object) |
- { |
- return !DOMWrapperWorld::isolatedWorldsExist() |
- && !canExistInWorker(object) |
- && ScriptWrappable::wrapperCanBeStoredInObject(object); |
- } |
- |
- template<typename V8T, typename T, typename Wrappable> |
- static bool setReturnValueFromWrapperFast(v8::ReturnValue<v8::Value> returnValue, T* object, v8::Local<v8::Object> holder, Wrappable* wrappable) |
- { |
- if (canUseScriptWrappable(object)) { |
- ScriptWrappable::assertWrapperSanity<V8T, T>(object, object); |
- return ScriptWrappable::fromObject(object)->setReturnValue(returnValue); |
- } |
- // The second fastest way to check if we're in the main world is to check if |
- // the wrappable's wrapper is the same as the holder. |
- // FIXME: Investigate if it's worth having this check for performance. |
- if (holderContainsWrapper(holder, wrappable)) { |
- if (ScriptWrappable::wrapperCanBeStoredInObject(object)) { |
- ScriptWrappable::assertWrapperSanity<V8T, T>(object, object); |
- return ScriptWrappable::fromObject(object)->setReturnValue(returnValue); |
- } |
- return DOMWrapperWorld::mainWorld().domDataStore().m_wrapperMap.setReturnValueFrom(returnValue, V8T::toInternalPointer(object)); |
- } |
- return current(returnValue.GetIsolate()).template setReturnValueFrom<V8T>(returnValue, object); |
- } |
- |
- template<typename V8T, typename T> |
- static bool setReturnValueFromWrapper(v8::ReturnValue<v8::Value> returnValue, T* object) |
- { |
- if (canUseScriptWrappable(object)) { |
- ScriptWrappable::assertWrapperSanity<V8T, T>(object, object); |
- return ScriptWrappable::fromObject(object)->setReturnValue(returnValue); |
- } |
- return current(returnValue.GetIsolate()).template setReturnValueFrom<V8T>(returnValue, object); |
- } |
- |
- template<typename V8T, typename T> |
- static bool setReturnValueFromWrapperForMainWorld(v8::ReturnValue<v8::Value> returnValue, T* object) |
- { |
- if (ScriptWrappable::wrapperCanBeStoredInObject(object)) |
- return ScriptWrappable::fromObject(object)->setReturnValue(returnValue); |
- return DOMWrapperWorld::mainWorld().domDataStore().m_wrapperMap.setReturnValueFrom(returnValue, V8T::toInternalPointer(object)); |
- } |
- |
- template<typename V8T, typename T> |
- static v8::Handle<v8::Object> getWrapper(T* object, v8::Isolate* isolate) |
- { |
- if (canUseScriptWrappable(object)) { |
- v8::Handle<v8::Object> result = ScriptWrappable::fromObject(object)->newLocalWrapper(isolate); |
- // Security: always guard against malicious tampering. |
- ScriptWrappable::assertWrapperSanity<V8T, T>(result, object); |
- return result; |
- } |
- return current(isolate).template get<V8T>(object, isolate); |
- } |
- |
- template<typename V8T, typename T> |
- static void setWrapperReference(const v8::Persistent<v8::Object>& parent, T* child, v8::Isolate* isolate) |
- { |
- if (canUseScriptWrappable(child)) { |
- ScriptWrappable::assertWrapperSanity<V8T, T>(child, child); |
- ScriptWrappable::fromObject(child)->setReference(parent, isolate); |
- return; |
- } |
- current(isolate).template setReference<V8T>(parent, child, isolate); |
- } |
- |
- template<typename V8T, typename T> |
- static void setWrapper(T* object, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate, const WrapperConfiguration& configuration) |
- { |
- if (canUseScriptWrappable(object)) { |
- ScriptWrappable::fromObject(object)->setWrapper(wrapper, isolate, configuration); |
- return; |
- } |
- return current(isolate).template set<V8T>(object, wrapper, isolate, configuration); |
- } |
- |
- template<typename V8T, typename T> |
- static bool containsWrapper(T* object, v8::Isolate* isolate) |
- { |
- return current(isolate).template containsWrapper<V8T>(object); |
- } |
- |
- template<typename V8T, typename T> |
- inline v8::Handle<v8::Object> get(T* object, v8::Isolate* isolate) |
- { |
- if (ScriptWrappable::wrapperCanBeStoredInObject(object) && m_isMainWorld) |
- return ScriptWrappable::fromObject(object)->newLocalWrapper(isolate); |
- return m_wrapperMap.newLocal(V8T::toInternalPointer(object), isolate); |
- } |
- |
- template<typename V8T, typename T> |
- inline void setReference(const v8::Persistent<v8::Object>& parent, T* child, v8::Isolate* isolate) |
- { |
- if (ScriptWrappable::wrapperCanBeStoredInObject(child) && m_isMainWorld) { |
- ScriptWrappable::fromObject(child)->setReference(parent, isolate); |
- return; |
- } |
- m_wrapperMap.setReference(parent, V8T::toInternalPointer(child), isolate); |
- } |
- |
- template<typename V8T, typename T> |
- inline bool setReturnValueFrom(v8::ReturnValue<v8::Value> returnValue, T* object) |
- { |
- if (ScriptWrappable::wrapperCanBeStoredInObject(object) && m_isMainWorld) |
- return ScriptWrappable::fromObject(object)->setReturnValue(returnValue); |
- return m_wrapperMap.setReturnValueFrom(returnValue, V8T::toInternalPointer(object)); |
- } |
- |
- template<typename V8T, typename T> |
- inline bool containsWrapper(T* object) |
- { |
- if (ScriptWrappable::wrapperCanBeStoredInObject(object) && m_isMainWorld) |
- return ScriptWrappable::fromObject(object)->containsWrapper(); |
- return m_wrapperMap.containsKey(V8T::toInternalPointer(object)); |
- } |
- |
-private: |
- template<typename V8T, typename T> |
- inline void set(T* object, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate, const WrapperConfiguration& configuration) |
- { |
- ASSERT(!!object); |
- ASSERT(!wrapper.IsEmpty()); |
- if (ScriptWrappable::wrapperCanBeStoredInObject(object) && m_isMainWorld) { |
- ScriptWrappable::fromObject(object)->setWrapper(wrapper, isolate, configuration); |
- return; |
- } |
- m_wrapperMap.set(V8T::toInternalPointer(object), wrapper, configuration); |
- } |
- |
- static bool canExistInWorker(void*) { return true; } |
- static bool canExistInWorker(Node*) { return false; } |
- |
- static bool holderContainsWrapper(v8::Local<v8::Object>, void*) |
- { |
- return false; |
- } |
- |
- static bool holderContainsWrapper(v8::Local<v8::Object> holder, ScriptWrappable* wrappable) |
- { |
- // Verify our assumptions about the main world. |
- ASSERT(wrappable); |
- ASSERT(!wrappable->containsWrapper() || !wrappable->isEqualTo(holder) || current(v8::Isolate::GetCurrent()).m_isMainWorld); |
- return wrappable->isEqualTo(holder); |
- } |
- |
- bool m_isMainWorld; |
- DOMWrapperMap<void> m_wrapperMap; |
-}; |
- |
-} // namespace WebCore |
- |
-#endif // DOMDataStore_h |