Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/core/dart/custom/DartMessageEventCustom.cpp

+// Copyright 2011, 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/dart/DartMessageEvent.h"
+
+#include "bindings/core/dart/DartBlob.h"
+#include "bindings/core/dart/DartWindow.h"
+#include "bindings/core/dart/V8Converter.h"
+#include "bindings/core/v8/ScriptController.h"
+#include "bindings/dart/DartWebkitClassIds.h"
+
+namespace blink {
+
+Dart_Handle DartMessageEvent::createWrapper(DartDOMData* domData, MessageEvent* event)
+{
+    // The V8 custom method also appears to do some memory usage tracking.
+    // FIXMEDART: implement the same sort of tracking for Dart.
+    return DartDOMWrapper::createWrapper<DartMessageEvent>(
+            domData, event, MessageEventClassId);
+}
+
+namespace DartMessageEventInternal {
+
+void dataGetter(Dart_NativeArguments args)
+{
+    Dart_Handle exception = 0;
+    {
+        MessageEvent* receiver = DartDOMWrapper::receiver<MessageEvent>(args);
+
+        Dart_Handle result = Dart_Null();
+        switch (receiver->dataType()) {
+        case MessageEvent::DataTypeScriptValue:
+        case MessageEvent::DataTypeSerializedScriptValue: {
+            v8::Isolate* v8Isolate = v8::Isolate::GetCurrent();
+            v8::HandleScope handleScope(v8Isolate);
+            v8::Context::Scope scope(toV8Context(DartUtilities::domWindowForCurrentIsolate()->frame(), DOMWrapperWorld::mainWorld()));
+            RefPtr<SerializedScriptValue> serializedValue = receiver->dataAsSerializedScriptValue();
+            if (!serializedValue)
+                break;
+            MessagePortArray ports = receiver->ports();
+            result = V8Converter::toDart(serializedValue->deserialize(&ports), exception);
+            if (exception)
+                goto fail;
+            break;
+        }
+
+        case MessageEvent::DataTypeString:
+            DartUtilities::setDartStringReturnValue(args, receiver->dataAsString());
+            return;
+
+        case MessageEvent::DataTypeBlob:
+            result = DartBlob::toDart(receiver->dataAsBlob());
+            break;
+
+        case MessageEvent::DataTypeArrayBuffer:
+            result = DartUtilities::arrayBufferToDart(receiver->dataAsArrayBuffer());
+            break;
+        }
+        // FIXME: cache the result.
+        Dart_SetReturnValue(args, result);
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
+}
+
+void initMessageEventCallback(Dart_NativeArguments args)
+{
+    Dart_Handle exception = 0;
+    {
+        MessageEvent* receiver = DartDOMWrapper::receiver<MessageEvent>(args);
+
+        DartStringAdapter typeArg = DartUtilities::dartToString(args, 1, exception);
+        if (exception)
+            goto fail;
+
+        bool canBubbleArg = DartUtilities::dartToBool(args, 2, exception);
+        if (exception)
+            goto fail;
+
+        bool cancelableArg = DartUtilities::dartToBool(args, 3, exception);
+        if (exception)
+            goto fail;
+
+        RefPtr<SerializedScriptValue> dataArg = DartUtilities::dartToSerializedScriptValue(Dart_GetNativeArgument(args, 4), exception);
+        if (exception)
+            goto fail;
+
+        DartStringAdapter originArg = DartUtilities::dartToString(args, 5, exception);
+        if (exception)
+            goto fail;
+
+        DartStringAdapter lastEventIdArg = DartUtilities::dartToString(args, 6, exception);
+        if (exception)
+            goto fail;
+
+        LocalDOMWindow* sourceArg = DartWindow::toNativeWithNullCheck(Dart_GetNativeArgument(args, 7), exception);
+        if (exception)
+            goto fail;
+
+        OwnPtr<MessagePortArray> portArray;
+        if (!Dart_IsNull(Dart_GetNativeArgument(args, 8))) {
+            portArray = adoptPtr(new MessagePortArray);
+            ArrayBufferArray bufferArray;
+            DartUtilities::toMessagePortArray(Dart_GetNativeArgument(args, 8), *portArray, bufferArray, exception);
+            if (exception)
+                goto fail;
+            if (bufferArray.size() > 0) {
+                exception = Dart_NewStringFromCString("MessagePortArray argument must contain only MessagePorts");
+                goto fail;
+            }
+        }
+
+        receiver->initMessageEvent(typeArg, canBubbleArg, cancelableArg, dataArg, originArg, lastEventIdArg, sourceArg, portArray.release());
+        return;
+    }
+
+fail:
+    Dart_ThrowException(exception);
+    ASSERT_NOT_REACHED();
+}
+
+}
+
+}