| /* |
| * 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. |
| */ |
| |
| #ifndef JSMessagePortCustom_h |
| #define JSMessagePortCustom_h |
| |
| #include "MessagePort.h" |
| #include <runtime/JSValue.h> |
| #include <wtf/Forward.h> |
| |
| namespace WebCore { |
| |
| typedef int ExceptionCode; |
| |
| // Helper function which pulls the values out of a JS sequence and into a MessagePortArray. |
| // Also validates the elements per sections 4.1.13 and 4.1.15 of the WebIDL spec and section 8.3.3 of the HTML5 spec. |
| // May generate an exception via the passed ExecState. |
| void fillMessagePortArray(JSC::ExecState*, JSC::JSValue, MessagePortArray&); |
| |
| // Helper function to convert from JS postMessage arguments to WebCore postMessage arguments. |
| template <typename T> |
| inline JSC::JSValue handlePostMessage(JSC::ExecState* exec, T* impl) |
| { |
| PassRefPtr<SerializedScriptValue> message = SerializedScriptValue::create(exec, exec->argument(0)); |
| MessagePortArray portArray; |
| fillMessagePortArray(exec, exec->argument(1), portArray); |
| if (exec->hadException()) |
| return JSC::jsUndefined(); |
| |
| ExceptionCode ec = 0; |
| impl->postMessage(message, &portArray, ec); |
| setDOMException(exec, ec); |
| return JSC::jsUndefined(); |
| } |
| |
| } |
| #endif // JSMessagePortCustom_h |