Blink JavaScript shared memory prototype.

Source/bindings/v8/custom/V8LockManagerCustom.cpp

 /*
- * 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
  * 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.
  */
 
 #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) {
+    ExecutionContext* context = currentExecutionContext(info.GetIsolate());
+
+    RefPtr<LockManager> obj = LockManager::create(context);
+
+    v8::Local<v8::Object> wrapper = info.Holder();
+
+    // TODO V8HiddenValue::setHiddenValue any fields.
+
+    V8DOMWrapper::associateObjectWithWrapper<V8LockManager>(obj.release(), &wrapperTypeInfo, wrapper, info.GetIsolate(), WrapperConfiguration::Dependent);
+    info.GetReturnValue().Set(wrapper);
+}
+
+void V8LockManager::lockMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
+{
+    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);
+}
 
-    v8::Local<v8::Value> arg = info[0];
-    if (!arg->IsFunction()) {
-        exceptionState.throwTypeError("Callback argument must be a function");
+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;
     }
-
-    ExecutionContext* context = currentExecutionContext(info.GetIsolate());
-    v8::Handle<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());
-
-    V8DOMWrapper::associateObjectWithWrapper<V8MutationObserver>(observer.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)
-{
-    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);
-    }
+    LockManager* imp = V8LockManager::toNative(info.Holder());
+    TONATIVE_VOID_EXCEPTIONSTATE(uint32_t, uid, toUInt32(info[0], exceptionState), exceptionState);
+    imp->unlock(uid);
 }
 
 } // namespace WebCore