Index: third_party/WebKit/Source/bindings/core/v8/DOMDataStore.h |
diff --git a/third_party/WebKit/Source/bindings/core/v8/DOMDataStore.h b/third_party/WebKit/Source/bindings/core/v8/DOMDataStore.h |
index a1a32f125f72deb6dcd3d098f53f11469c7c0b75..6a94545883ea6450570d220ecef76b26ba4dd4b6 100644 |
--- a/third_party/WebKit/Source/bindings/core/v8/DOMDataStore.h |
+++ b/third_party/WebKit/Source/bindings/core/v8/DOMDataStore.h |
@@ -28,172 +28,6 @@ |
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
-#ifndef DOMDataStore_h |
-#define DOMDataStore_h |
- |
-#include <memory> |
- |
-#include "bindings/core/v8/DOMWrapperMap.h" |
-#include "bindings/core/v8/DOMWrapperWorld.h" |
-#include "bindings/core/v8/ScriptWrappable.h" |
-#include "bindings/core/v8/WrapperTypeInfo.h" |
-#include "platform/wtf/Allocator.h" |
-#include "platform/wtf/Noncopyable.h" |
-#include "platform/wtf/Optional.h" |
-#include "platform/wtf/StackUtil.h" |
-#include "platform/wtf/StdLibExtras.h" |
-#include "v8/include/v8.h" |
- |
-namespace blink { |
- |
-class DOMDataStore { |
- WTF_MAKE_NONCOPYABLE(DOMDataStore); |
- USING_FAST_MALLOC(DOMDataStore); |
- |
- public: |
- DOMDataStore(v8::Isolate* isolate, bool is_main_world) |
- : is_main_world_(is_main_world) { |
- // We never use |m_wrapperMap| when it's the main world. |
- if (!is_main_world) |
- wrapper_map_.emplace(isolate); |
- } |
- |
- static DOMDataStore& Current(v8::Isolate* isolate) { |
- return DOMWrapperWorld::Current(isolate).DomDataStore(); |
- } |
- |
- static bool SetReturnValue(v8::ReturnValue<v8::Value> return_value, |
- ScriptWrappable* object) { |
- if (CanUseMainWorldWrapper()) |
- return object->SetReturnValue(return_value); |
- return Current(return_value.GetIsolate()) |
- .SetReturnValueFrom(return_value, object); |
- } |
- |
- static bool SetReturnValueForMainWorld( |
- v8::ReturnValue<v8::Value> return_value, |
- ScriptWrappable* object) { |
- return object->SetReturnValue(return_value); |
- } |
- |
- static bool SetReturnValueFast(v8::ReturnValue<v8::Value> return_value, |
- ScriptWrappable* object, |
- v8::Local<v8::Object> holder, |
- const ScriptWrappable* wrappable) { |
- if (CanUseMainWorldWrapper() |
- // 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. |
- || HolderContainsWrapper(holder, wrappable)) |
- return object->SetReturnValue(return_value); |
- return Current(return_value.GetIsolate()) |
- .SetReturnValueFrom(return_value, object); |
- } |
- |
- static v8::Local<v8::Object> GetWrapper(ScriptWrappable* object, |
- v8::Isolate* isolate) { |
- if (CanUseMainWorldWrapper()) |
- return object->MainWorldWrapper(isolate); |
- return Current(isolate).Get(object, isolate); |
- } |
- |
- // Associates the given |object| with the given |wrapper| if the object is |
- // not yet associated with any wrapper. Returns true if the given wrapper |
- // is associated with the object, or false if the object is already |
- // associated with a wrapper. In the latter case, |wrapper| will be updated |
- // to the existing wrapper. |
- WARN_UNUSED_RESULT static bool SetWrapper( |
- v8::Isolate* isolate, |
- ScriptWrappable* object, |
- const WrapperTypeInfo* wrapper_type_info, |
- v8::Local<v8::Object>& wrapper) { |
- if (CanUseMainWorldWrapper()) |
- return object->SetWrapper(isolate, wrapper_type_info, wrapper); |
- return Current(isolate).Set(isolate, object, wrapper_type_info, wrapper); |
- } |
- |
- static bool ContainsWrapper(ScriptWrappable* object, v8::Isolate* isolate) { |
- return Current(isolate).ContainsWrapper(object); |
- } |
- |
- v8::Local<v8::Object> Get(ScriptWrappable* object, v8::Isolate* isolate) { |
- if (is_main_world_) |
- return object->MainWorldWrapper(isolate); |
- return wrapper_map_->NewLocal(isolate, object); |
- } |
- |
- WARN_UNUSED_RESULT bool Set(v8::Isolate* isolate, |
- ScriptWrappable* object, |
- const WrapperTypeInfo* wrapper_type_info, |
- v8::Local<v8::Object>& wrapper) { |
- DCHECK(object); |
- DCHECK(!wrapper.IsEmpty()); |
- if (is_main_world_) |
- return object->SetWrapper(isolate, wrapper_type_info, wrapper); |
- return wrapper_map_->Set(object, wrapper_type_info, wrapper); |
- } |
- |
- void MarkWrapper(ScriptWrappable* script_wrappable) { |
- wrapper_map_->MarkWrapper(script_wrappable); |
- } |
- |
- // Dissociates a wrapper, if any, from |script_wrappable|. |
- void UnsetWrapperIfAny(ScriptWrappable* script_wrappable) { |
- DCHECK(!is_main_world_); |
- wrapper_map_->RemoveIfAny(script_wrappable); |
- } |
- |
- bool SetReturnValueFrom(v8::ReturnValue<v8::Value> return_value, |
- ScriptWrappable* object) { |
- if (is_main_world_) |
- return object->SetReturnValue(return_value); |
- return wrapper_map_->SetReturnValueFrom(return_value, object); |
- } |
- |
- bool ContainsWrapper(ScriptWrappable* object) { |
- if (is_main_world_) |
- return object->ContainsWrapper(); |
- return wrapper_map_->ContainsKey(object); |
- } |
- |
- private: |
- // 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). |
- static bool CanUseMainWorldWrapper() { |
- return !WTF::MayNotBeMainThread() && |
- !DOMWrapperWorld::NonMainWorldsExistInMainThread(); |
- } |
- |
- static bool HolderContainsWrapper(v8::Local<v8::Object> holder, |
- const ScriptWrappable* wrappable) { |
- // Verify our assumptions about the main world. |
- DCHECK(wrappable); |
- DCHECK(!wrappable->ContainsWrapper() || !wrappable->IsEqualTo(holder) || |
- Current(v8::Isolate::GetCurrent()).is_main_world_); |
- return wrappable->IsEqualTo(holder); |
- } |
- |
- bool is_main_world_; |
- WTF::Optional<DOMWrapperMap<ScriptWrappable>> wrapper_map_; |
-}; |
- |
-template <> |
-inline void DOMWrapperMap<ScriptWrappable>::PersistentValueMapTraits::Dispose( |
- v8::Isolate*, |
- v8::Global<v8::Object>, |
- ScriptWrappable*) { |
- WrapperTypeInfo::WrapperDestroyed(); |
-} |
- |
-template <> |
-inline void |
-DOMWrapperMap<ScriptWrappable>::PersistentValueMapTraits::DisposeWeak( |
- const v8::WeakCallbackInfo<WeakCallbackDataType>&) { |
- WrapperTypeInfo::WrapperDestroyed(); |
-} |
- |
-} // namespace blink |
- |
-#endif // DOMDataStore_h |
+// This file has been moved to platform/bindings/DOMDataStore.h. |
+// TODO(adithyas): Remove this file. |
+#include "platform/bindings/DOMDataStore.h" |