Split bindings/v8/custom into core and modules.

Source/bindings/v8/custom/V8MessageEventCustom.cpp

-/*
- * 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.
- */
-
-#include "config.h"
-#include "bindings/core/v8/V8MessageEvent.h"
-
-#include "bindings/core/v8/V8Blob.h"
-#include "bindings/core/v8/V8MessagePort.h"
-#include "bindings/core/v8/V8Window.h"
-#include "bindings/v8/SerializedScriptValue.h"
-#include "bindings/v8/V8Binding.h"
-#include "bindings/v8/V8HiddenValue.h"
-#include "bindings/v8/custom/V8ArrayBufferCustom.h"
-#include "core/events/MessageEvent.h"
-
-namespace WebCore {
-
-// Ensures a wrapper is created for the data to return now so that V8 knows how
-// much memory is used via the wrapper. To keep the wrapper alive, it's set to
-// the wrapper of the MessageEvent as a hidden value.
-static void ensureWrapperCreatedAndAssociated(MessageEvent* eventImpl, v8::Handle<v8::Object> eventWrapper, v8::Isolate* isolate)
-{
-    switch (eventImpl->dataType()) {
-    case MessageEvent::DataTypeScriptValue:
-    case MessageEvent::DataTypeSerializedScriptValue:
-        break;
-    case MessageEvent::DataTypeString: {
-        String stringValue = eventImpl->dataAsString();
-        V8HiddenValue::setHiddenValue(isolate, eventWrapper, V8HiddenValue::stringData(isolate), v8String(isolate, stringValue));
-        break;
-    }
-    case MessageEvent::DataTypeBlob:
-        break;
-    case MessageEvent::DataTypeArrayBuffer:
-        V8HiddenValue::setHiddenValue(isolate, eventWrapper, V8HiddenValue::arrayBufferData(isolate), toV8(eventImpl->dataAsArrayBuffer(), eventWrapper, isolate));
-        break;
-    }
-}
-
-v8::Handle<v8::Object> wrap(MessageEvent* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
-{
-    ASSERT(impl);
-    ASSERT(!DOMDataStore::containsWrapper<V8MessageEvent>(impl, isolate));
-    v8::Handle<v8::Object> wrapper = V8MessageEvent::createWrapper(impl, creationContext, isolate);
-    ensureWrapperCreatedAndAssociated(impl, wrapper, isolate);
-    return wrapper;
-}
-
-void V8MessageEvent::dataAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    MessageEvent* event = V8MessageEvent::toNative(info.Holder());
-
-    v8::Handle<v8::Value> result;
-    switch (event->dataType()) {
-    case MessageEvent::DataTypeScriptValue: {
-        result = V8HiddenValue::getHiddenValue(info.GetIsolate(), info.Holder(), V8HiddenValue::data(info.GetIsolate()));
-        if (result.IsEmpty()) {
-            if (!event->dataAsSerializedScriptValue()) {
-                // If we're in an isolated world and the event was created in the main world,
-                // we need to find the 'data' property on the main world wrapper and clone it.
-                v8::Local<v8::Value> mainWorldData = V8HiddenValue::getHiddenValueFromMainWorldWrapper(info.GetIsolate(), event, V8HiddenValue::data(info.GetIsolate()));
-                if (!mainWorldData.IsEmpty())
-                    event->setSerializedData(SerializedScriptValue::createAndSwallowExceptions(mainWorldData, info.GetIsolate()));
-            }
-            if (event->dataAsSerializedScriptValue())
-                result = event->dataAsSerializedScriptValue()->deserialize(info.GetIsolate());
-            else
-                result = v8::Null(info.GetIsolate());
-        }
-        break;
-    }
-
-    case MessageEvent::DataTypeSerializedScriptValue:
-        if (SerializedScriptValue* serializedValue = event->dataAsSerializedScriptValue()) {
-            MessagePortArray ports = event->ports();
-            result = serializedValue->deserialize(info.GetIsolate(), &ports);
-        } else {
-            result = v8::Null(info.GetIsolate());
-        }
-        break;
-
-    case MessageEvent::DataTypeString: {
-        result = V8HiddenValue::getHiddenValue(info.GetIsolate(), info.Holder(), V8HiddenValue::stringData(info.GetIsolate()));
-        if (result.IsEmpty()) {
-            String stringValue = event->dataAsString();
-            result = v8String(info.GetIsolate(), stringValue);
-        }
-        break;
-    }
-
-    case MessageEvent::DataTypeBlob:
-        result = toV8(event->dataAsBlob(), info.Holder(), info.GetIsolate());
-        break;
-
-    case MessageEvent::DataTypeArrayBuffer:
-        result = V8HiddenValue::getHiddenValue(info.GetIsolate(), info.Holder(), V8HiddenValue::arrayBufferData(info.GetIsolate()));
-        if (result.IsEmpty())
-            result = toV8(event->dataAsArrayBuffer(), info.Holder(), info.GetIsolate());
-        break;
-    }
-
-    // Overwrite the data attribute so it returns the cached result in future invocations.
-    // This custom getter handler will not be called again.
-    v8::PropertyAttribute dataAttr = static_cast<v8::PropertyAttribute>(v8::DontDelete | v8::ReadOnly);
-    info.Holder()->ForceSet(v8AtomicString(info.GetIsolate(), "data"), result, dataAttr);
-    v8SetReturnValue(info, result);
-}
-
-void V8MessageEvent::initMessageEventMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    MessageEvent* event = V8MessageEvent::toNative(info.Holder());
-    TOSTRING_VOID(V8StringResource<>, typeArg, info[0]);
-    TONATIVE_VOID(bool, canBubbleArg, info[1]->BooleanValue());
-    TONATIVE_VOID(bool, cancelableArg, info[2]->BooleanValue());
-    v8::Handle<v8::Value> dataArg = info[3];
-    TOSTRING_VOID(V8StringResource<>, originArg, info[4]);
-    TOSTRING_VOID(V8StringResource<>, lastEventIdArg, info[5]);
-    LocalDOMWindow* sourceArg = toDOMWindow(info[6], info.GetIsolate());
-    OwnPtrWillBeRawPtr<MessagePortArray> portArray = nullptr;
-    const int portArrayIndex = 7;
-    if (!isUndefinedOrNull(info[portArrayIndex])) {
-        portArray = adoptPtrWillBeNoop(new MessagePortArray);
-        bool success = false;
-        *portArray = toRefPtrWillBeMemberNativeArray<MessagePort, V8MessagePort>(info[portArrayIndex], portArrayIndex + 1, info.GetIsolate(), &success);
-        if (!success)
-            return;
-    }
-    event->initMessageEvent(typeArg, canBubbleArg, cancelableArg, originArg, lastEventIdArg, sourceArg, portArray.release());
-
-    if (!dataArg.IsEmpty()) {
-        V8HiddenValue::setHiddenValue(info.GetIsolate(), info.Holder(), V8HiddenValue::data(info.GetIsolate()), dataArg);
-        if (DOMWrapperWorld::current(info.GetIsolate()).isIsolatedWorld())
-            event->setSerializedData(SerializedScriptValue::createAndSwallowExceptions(dataArg, info.GetIsolate()));
-    }
-}
-
-} // namespace WebCore