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path: root/WebCore/bindings/v8/custom/V8XMLHttpRequestCustom.cpp
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/*
 * Copyright (C) 2008, 2009, 2010 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 "V8XMLHttpRequest.h"

#include "ArrayBuffer.h"
#include "Frame.h"
#include "InspectorInstrumentation.h"
#include "V8ArrayBuffer.h"
#include "V8Binding.h"
#include "V8Blob.h"
#include "V8DOMFormData.h"
#include "V8Document.h"
#include "V8HTMLDocument.h"
#include "V8Proxy.h"
#include "V8Utilities.h"
#include "WorkerContext.h"
#include "WorkerContextExecutionProxy.h"
#include "XMLHttpRequest.h"

namespace WebCore {

v8::Handle<v8::Value> V8XMLHttpRequest::responseTextAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.XMLHttpRequest.responsetext._get");
    XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());
    ExceptionCode ec = 0;
    const String& text = xmlHttpRequest->responseText(ec);
    if (ec)
        return throwError(ec);
    return v8String(text);
}

v8::Handle<v8::Value> V8XMLHttpRequest::responseAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
{
    INC_STATS("DOM.XMLHttpRequest.response._get");
    XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());

    switch (xmlHttpRequest->responseTypeCode()) {
    case XMLHttpRequest::ResponseTypeDefault:
    case XMLHttpRequest::ResponseTypeText:
        return responseTextAccessorGetter(name, info);

    case XMLHttpRequest::ResponseTypeDocument:
        {
            ExceptionCode ec = 0;
            Document* document = xmlHttpRequest->responseXML(ec);
            if (ec) {
                V8Proxy::setDOMException(ec);
                return v8::Undefined();
            }
            return toV8(document);
        }

    case XMLHttpRequest::ResponseTypeBlob:
#if ENABLE(XHR_RESPONSE_BLOB)
        {
            ExceptionCode ec = 0;
            Blob* blob = xmlHttpRequest->responseBlob(ec);
            if (ec) {
                V8Proxy::setDOMException(ec);
                return v8::Undefined();
            }
            return toV8(blob);
        }
#else
        return v8::Undefined();
#endif

#if ENABLE(3D_CANVAS) || ENABLE(BLOB)
    case XMLHttpRequest::ResponseTypeArrayBuffer:
        {
            ExceptionCode ec = 0;
            ArrayBuffer* arrayBuffer = xmlHttpRequest->responseArrayBuffer(ec);
            if (ec) {
                V8Proxy::setDOMException(ec);
                return v8::Undefined();
            }
            return toV8(arrayBuffer);
        }
#endif
    }

    return v8::Undefined();
}

v8::Handle<v8::Value> V8XMLHttpRequest::openCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.XMLHttpRequest.open()");
    // Four cases:
    // open(method, url)
    // open(method, url, async)
    // open(method, url, async, user)
    // open(method, url, async, user, passwd)

    if (args.Length() < 2)
        return throwError("Not enough arguments", V8Proxy::SyntaxError);

    XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(args.Holder());

    String method = toWebCoreString(args[0]);
    String urlstring = toWebCoreString(args[1]);
    ScriptExecutionContext* context = getScriptExecutionContext();
    if (!context)
        return v8::Undefined();

    KURL url = context->completeURL(urlstring);

    ExceptionCode ec = 0;

    if (args.Length() >= 3) {
        bool async = args[2]->BooleanValue();

        if (args.Length() >= 4 && !args[3]->IsUndefined()) {
            String user = toWebCoreStringWithNullCheck(args[3]);
            
            if (args.Length() >= 5 && !args[4]->IsUndefined()) {
                String passwd = toWebCoreStringWithNullCheck(args[4]);
                xmlHttpRequest->open(method, url, async, user, passwd, ec);
            } else
                xmlHttpRequest->open(method, url, async, user, ec);
        } else
            xmlHttpRequest->open(method, url, async, ec);
    } else
        xmlHttpRequest->open(method, url, ec);

    if (ec)
        return throwError(ec);

    return v8::Undefined();
}

static bool isDocumentType(v8::Handle<v8::Value> value)
{
    // FIXME: add other document types.
    return V8Document::HasInstance(value) || V8HTMLDocument::HasInstance(value);
}

v8::Handle<v8::Value> V8XMLHttpRequest::sendCallback(const v8::Arguments& args)
{
    INC_STATS("DOM.XMLHttpRequest.send()");
    XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(args.Holder());

    InspectorInstrumentation::willSendXMLHttpRequest(xmlHttpRequest->scriptExecutionContext(), xmlHttpRequest->url());

    ExceptionCode ec = 0;
    if (args.Length() < 1)
        xmlHttpRequest->send(ec);
    else {
        v8::Handle<v8::Value> arg = args[0];
        if (isUndefinedOrNull(arg))
            xmlHttpRequest->send(ec);
        else if (isDocumentType(arg)) {
            v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
            Document* document = V8Document::toNative(object);
            ASSERT(document);
            xmlHttpRequest->send(document, ec);
        } else if (V8Blob::HasInstance(arg)) {
            v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
            Blob* blob = V8Blob::toNative(object);
            ASSERT(blob);
            xmlHttpRequest->send(blob, ec);
        } else if (V8DOMFormData::HasInstance(arg)) {
            v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
            DOMFormData* domFormData = V8DOMFormData::toNative(object);
            ASSERT(domFormData);
            xmlHttpRequest->send(domFormData, ec);
        } else
            xmlHttpRequest->send(toWebCoreStringWithNullCheck(arg), ec);
    }

    if (ec)
        return throwError(ec);

    return v8::Undefined();
}

} // namespace WebCore