Blink JavaScript shared memory prototype.

Source/bindings/v8/custom/V8LockManagerCustom.cpp

Index: Source/bindings/v8/custom/V8LockManagerCustom.cpp
diff --git a/Source/bindings/v8/custom/V8MutationObserverCustom.cpp b/Source/bindings/v8/custom/V8LockManagerCustom.cpp
similarity index 55%
copy from Source/bindings/v8/custom/V8MutationObserverCustom.cpp
copy to Source/bindings/v8/custom/V8LockManagerCustom.cpp
index 18408793d7e62ed60541211ba0eecb8abd8e32b9..3333947dcd3617e837aaad563d6648b0a416ead8 100644
--- a/Source/bindings/v8/custom/V8MutationObserverCustom.cpp
+++ b/Source/bindings/v8/custom/V8LockManagerCustom.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2011 Google Inc. All rights reserved.
+ * Copyright (C) 2014 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
@@ -29,52 +29,56 @@
  */
 
 #include "config.h"
-#include "V8MutationObserver.h"
+#include "V8LockManager.h"
 
 #include "bindings/v8/ExceptionMessages.h"
 #include "bindings/v8/ExceptionState.h"
+#include "bindings/v8/SerializedScriptValue.h"
 #include "bindings/v8/V8Binding.h"
-#include "bindings/v8/V8DOMWrapper.h"
-#include "bindings/v8/V8GCController.h"
-#include "bindings/v8/V8MutationCallback.h"
-#include "core/dom/MutationObserver.h"
+#include "bindings/v8/V8BindingMacros.h"
+#include "core/dom/MessagePort.h"
+#include "wtf/ArrayBuffer.h"
 
 namespace WebCore {
 
-void V8MutationObserver::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+void V8LockManager::constructorCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    ExceptionState exceptionState(ExceptionState::ConstructionContext, "MutationObserver", info.Holder(), info.GetIsolate());
-    if (info.Length() < 1) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
-        return;
-    }
+    ExecutionContext* context = currentExecutionContext(info.GetIsolate());
 
-    v8::Local<v8::Value> arg = info[0];
-    if (!arg->IsFunction()) {
-        exceptionState.throwTypeError("Callback argument must be a function");
-        exceptionState.throwIfNeeded();
-        return;
-    }
+    RefPtr<LockManager> obj = LockManager::create(context);
 
-    ExecutionContext* context = currentExecutionContext(info.GetIsolate());
-    v8::Handle<v8::Object> wrapper = info.Holder();
+    v8::Local<v8::Object> wrapper = info.Holder();
 
-    OwnPtr<MutationCallback> callback = V8MutationCallback::create(v8::Handle<v8::Function>::Cast(arg), context, wrapper, info.GetIsolate());
-    RefPtr<MutationObserver> observer = MutationObserver::create(callback.release());
+    // TODO V8HiddenValue::setHiddenValue any fields.
 
-    V8DOMWrapper::associateObjectWithWrapper<V8MutationObserver>(observer.release(), &wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
+    V8DOMWrapper::associateObjectWithWrapper<V8LockManager>(obj.release(), &wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
     info.GetReturnValue().Set(wrapper);
 }
 
-void V8MutationObserver::visitDOMWrapper(void* object, const v8::Persistent<v8::Object>& wrapper, v8::Isolate* isolate)
+void V8LockManager::lockMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
-    MutationObserver* observer = static_cast<MutationObserver*>(object);
-    HashSet<Node*> observedNodes = observer->getObservedNodes();
-    for (HashSet<Node*>::iterator it = observedNodes.begin(); it != observedNodes.end(); ++it) {
-        v8::UniqueId id(reinterpret_cast<intptr_t>(V8GCController::opaqueRootForGC(*it, isolate)));
-        isolate->SetReferenceFromGroup(id, wrapper);
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "lock", "LockManager", info.Holder(), info.GetIsolate());
+    if (UNLIKELY(info.Length() < 1)) {
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
+        return;
+    }
+    LockManager* imp = V8LockManager::toNative(info.Holder());
+    TONATIVE_VOID_EXCEPTIONSTATE(uint32_t, uid, toUInt32(info[0], exceptionState), exceptionState);
+    imp->lock(uid);
+}
+
+void V8LockManager::unlockMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    ExceptionState exceptionState(ExceptionState::ExecutionContext, "unlock", "LockManager", info.Holder(), info.GetIsolate());
+    if (UNLIKELY(info.Length() < 1)) {
+        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
+        exceptionState.throwIfNeeded();
+        return;
     }
+    LockManager* imp = V8LockManager::toNative(info.Holder());
+    TONATIVE_VOID_EXCEPTIONSTATE(uint32_t, uid, toUInt32(info[0], exceptionState), exceptionState);
+    imp->unlock(uid);
 }
 
 } // namespace WebCore