JSNPMethod.cpp revision 65f03d4f644ce73618e5f4f50dd694b26f55ae12
165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch/* 265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Copyright (C) 2010 Apple Inc. All rights reserved. 365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * Redistribution and use in source and binary forms, with or without 565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * modification, are permitted provided that the following conditions 665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * are met: 765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1. Redistributions of source code must retain the above copyright 865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer. 965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 2. Redistributions in binary form must reproduce the above copyright 1065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * notice, this list of conditions and the following disclaimer in the 1165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * documentation and/or other materials provided with the distribution. 1265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * 1365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 1465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 1565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 1665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 1765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 2365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch * THE POSSIBILITY OF SUCH DAMAGE. 2465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch */ 2565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "JSNPMethod.h" 2765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 2865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "JSNPObject.h" 2965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "NotImplemented.h" 3065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <JavaScriptCore/Error.h> 3165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <JavaScriptCore/FunctionPrototype.h> 3265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <JavaScriptCore/JSGlobalObject.h> 3365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <WebCore/JSHTMLElement.h> 3465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include <WebCore/JSPluginElementFunctions.h> 3565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochusing namespace JSC; 3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochusing namespace WebCore; 3865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 3965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochnamespace WebKit { 4065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochconst ClassInfo JSNPMethod::s_info = { "NPMethod", &InternalFunction::info, 0, 0 }; 4265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochJSNPMethod::JSNPMethod(ExecState* exec, JSGlobalObject* globalObject, const Identifier& name, NPIdentifier npIdentifier) 4465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch : InternalFunction(&exec->globalData(), globalObject, createStructure(globalObject->functionPrototype()), name) 4565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch , m_npIdentifier(npIdentifier) 4665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 4765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 4865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 4965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic EncodedJSValue JSC_HOST_CALL callMethod(ExecState* exec) 5065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 5165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch JSNPMethod* jsNPMethod = static_cast<JSNPMethod*>(exec->callee()); 5265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch JSValue thisValue = exec->hostThisValue(); 5465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // Check if we're calling a method on the plug-in script object. 5665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (thisValue.inherits(&JSHTMLElement::s_info)) { 5765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch JSHTMLElement* element = static_cast<JSHTMLElement*>(asObject(thisValue)); 5865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 5965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch // Try to get the script object from the element 6065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (JSObject* scriptObject = pluginScriptObject(exec, element)) 6165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch thisValue = scriptObject; 6265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 6365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch if (thisValue.inherits(&JSNPObject::s_info)) { 6565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch JSNPObject* jsNPObject = static_cast<JSNPObject*>(asObject(thisValue)); 6665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 6765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return JSValue::encode(jsNPObject->callMethod(exec, jsNPMethod->npIdentifier())); 6865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch } 6965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return throwVMTypeError(exec); 7165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 7265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochCallType JSNPMethod::getCallData(CallData& callData) 7465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{ 7565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch callData.native.function = callMethod; 7665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch return CallTypeHost; 7765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} 7865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch 7965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} // namespace WebKit 80