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
262fc2651226baac27029e38c9d6ef883fa32084dbSteve Block#include "config.h"
2765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "JSNPMethod.h"
2865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
2965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch#include "JSNPObject.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>
3581bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch#include <WebCore/NotImplemented.h>
3665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
3765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochusing namespace JSC;
3865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochusing namespace WebCore;
3965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
4065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochnamespace WebKit {
4165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
4281bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdochconst ClassInfo JSNPMethod::s_info = { "NPMethod", &InternalFunction::s_info, 0, 0 };
4365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
4465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochJSNPMethod::JSNPMethod(ExecState* exec, JSGlobalObject* globalObject, const Identifier& name, NPIdentifier npIdentifier)
452bde8e466a4451c7319e3a072d118917957d6554Steve Block    : InternalFunction(&exec->globalData(), globalObject, createStructure(exec->globalData(), globalObject->functionPrototype()), name)
4665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    , m_npIdentifier(npIdentifier)
4765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{
4881bc750723a18f21cd17d1b173cd2a4dda9cea6eBen Murdoch    ASSERT(inherits(&s_info));
4965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch}
5065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
5165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdochstatic EncodedJSValue JSC_HOST_CALL callMethod(ExecState* exec)
5265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{
5365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    JSNPMethod* jsNPMethod = static_cast<JSNPMethod*>(exec->callee());
5465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
5565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    JSValue thisValue = exec->hostThisValue();
5665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
5765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    // Check if we're calling a method on the plug-in script object.
5865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    if (thisValue.inherits(&JSHTMLElement::s_info)) {
5965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch        JSHTMLElement* element = static_cast<JSHTMLElement*>(asObject(thisValue));
6065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
6165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch        // Try to get the script object from the element
6265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch        if (JSObject* scriptObject = pluginScriptObject(exec, element))
6365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch            thisValue = scriptObject;
6465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    }
6565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
6665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    if (thisValue.inherits(&JSNPObject::s_info)) {
6765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch        JSNPObject* jsNPObject = static_cast<JSNPObject*>(asObject(thisValue));
6865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
6965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch        return JSValue::encode(jsNPObject->callMethod(exec, jsNPMethod->npIdentifier()));
7065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    }
7165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
7265f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    return throwVMTypeError(exec);
7365f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch}
7465f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
7565f03d4f644ce73618e5f4f50dd694b26f55ae12Ben MurdochCallType JSNPMethod::getCallData(CallData& callData)
7665f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch{
7765f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    callData.native.function = callMethod;
7865f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch    return CallTypeHost;
7965f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch}
8065f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch
8165f03d4f644ce73618e5f4f50dd694b26f55ae12Ben Murdoch} // namespace WebKit
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