V8XMLHttpRequestCustom.cpp   [plain text]

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#include "config.h"
#include "V8XMLHttpRequest.h"

#include <wtf/ArrayBuffer.h>
#include "Document.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, info.GetIsolate());
                return v8::Undefined();
            }
            return toV8(document, info.GetIsolate());
        }

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

    case XMLHttpRequest::ResponseTypeArrayBuffer:
        {
            ExceptionCode ec = 0;
            ArrayBuffer* arrayBuffer = xmlHttpRequest->responseArrayBuffer(ec);
            if (ec) {
                V8Proxy::setDOMException(ec, info.GetIsolate());
                return v8::Undefined();
            }
            return toV8(arrayBuffer, info.GetIsolate());
        }
    }

    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 V8Proxy::throwNotEnoughArgumentsError();

    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);
#if ENABLE(WEBGL) || ENABLE(BLOB)
        } else if (V8ArrayBuffer::HasInstance(arg)) {
            v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(arg);
            ArrayBuffer* arrayBuffer = V8ArrayBuffer::toNative(object);
            ASSERT(arrayBuffer);
            xmlHttpRequest->send(arrayBuffer, ec);
#endif
        } else
            xmlHttpRequest->send(toWebCoreStringWithNullCheck(arg), ec);
    }

    if (ec)
        return throwError(ec);

    return v8::Undefined();
}

} // namespace WebCore