1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef PostMessage_h 6 #define PostMessage_h 7 8 #include "bindings/core/v8/ExceptionState.h" 9 #include "bindings/core/v8/SerializedScriptValue.h" 10 #include "bindings/core/v8/V8Binding.h" 11 #include "bindings/core/v8/V8BindingMacros.h" 12 #include "core/dom/MessagePort.h" 13 #include "wtf/ArrayBuffer.h" 14 #include <v8.h> 15 16 namespace blink { 17 18 class ExecutionContext; 19 20 // FIXME: This should be auto-generated by a code generator template. 21 template <class Type> 22 void postMessageMethodCommon(const char* interfaceName, Type* instance, const v8::FunctionCallbackInfo<v8::Value>& info) 23 { 24 ExceptionState exceptionState(ExceptionState::ExecutionContext, "postMessage", interfaceName, info.Holder(), info.GetIsolate()); 25 MessagePortArray ports; 26 ArrayBufferArray arrayBuffers; 27 if (info.Length() > 1) { 28 const int transferablesArgIndex = 1; 29 if (!SerializedScriptValue::extractTransferables(info[transferablesArgIndex], transferablesArgIndex, ports, arrayBuffers, exceptionState, info.GetIsolate())) { 30 exceptionState.throwIfNeeded(); 31 return; 32 } 33 } 34 RefPtr<SerializedScriptValue> message = SerializedScriptValue::create(info[0], &ports, &arrayBuffers, exceptionState, info.GetIsolate()); 35 if (exceptionState.throwIfNeeded()) 36 return; 37 // FIXME: Only pass context/exceptionState if instance really requires it. 38 ExecutionContext* context = currentExecutionContext(info.GetIsolate()); 39 instance->postMessage(context, message.release(), &ports, exceptionState); 40 exceptionState.throwIfNeeded(); 41 } 42 43 } // namespace blink 44 45 #endif // PostMessage_h 46
