gecko-dev/dom/workers/XMLHttpRequest.h

307 lines
6.5 KiB
C++

/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_workers_xmlhttprequest_h__
#define mozilla_dom_workers_xmlhttprequest_h__
#include "mozilla/dom/workers/bindings/WorkerFeature.h"
// Need this for XMLHttpRequestResponseType.
#include "mozilla/dom/XMLHttpRequestBinding.h"
#include "mozilla/dom/TypedArray.h"
#include "js/StructuredClone.h"
#include "nsXMLHttpRequest.h"
BEGIN_WORKERS_NAMESPACE
class Proxy;
class XMLHttpRequestUpload;
class WorkerPrivate;
class XMLHttpRequest : public nsXHREventTarget,
public WorkerFeature
{
public:
struct StateData
{
nsString mResponseText;
uint32_t mStatus;
nsCString mStatusText;
uint16_t mReadyState;
JS::Heap<JS::Value> mResponse;
nsresult mResponseTextResult;
nsresult mStatusResult;
nsresult mResponseResult;
StateData()
: mStatus(0), mReadyState(0), mResponse(JSVAL_VOID),
mResponseTextResult(NS_OK), mStatusResult(NS_OK),
mResponseResult(NS_OK)
{ }
};
private:
nsRefPtr<XMLHttpRequestUpload> mUpload;
WorkerPrivate* mWorkerPrivate;
nsRefPtr<Proxy> mProxy;
XMLHttpRequestResponseType mResponseType;
StateData mStateData;
uint32_t mTimeout;
bool mRooted;
bool mBackgroundRequest;
bool mWithCredentials;
bool mCanceled;
bool mMozAnon;
bool mMozSystem;
protected:
XMLHttpRequest(WorkerPrivate* aWorkerPrivate);
virtual ~XMLHttpRequest();
public:
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(XMLHttpRequest,
nsXHREventTarget)
nsISupports*
GetParentObject() const
{
// There's only one global on a worker, so we don't need to specify.
return nullptr;
}
static already_AddRefed<XMLHttpRequest>
Constructor(const GlobalObject& aGlobal,
const MozXMLHttpRequestParameters& aParams,
ErrorResult& aRv);
static already_AddRefed<XMLHttpRequest>
Constructor(const GlobalObject& aGlobal, const nsAString& ignored,
ErrorResult& aRv)
{
// Pretend like someone passed null, so we can pick up the default values
MozXMLHttpRequestParameters params;
if (!params.Init(aGlobal.GetContext(), JS::NullHandleValue)) {
aRv.Throw(NS_ERROR_UNEXPECTED);
return nullptr;
}
return Constructor(aGlobal, params, aRv);
}
void
Unpin();
bool
Notify(JSContext* aCx, Status aStatus) MOZ_OVERRIDE;
IMPL_EVENT_HANDLER(readystatechange)
uint16_t
ReadyState() const
{
return mStateData.mReadyState;
}
void Open(const nsACString& aMethod, const nsAString& aUrl, ErrorResult& aRv)
{
Open(aMethod, aUrl, true, Optional<nsAString>(),
Optional<nsAString>(), aRv);
}
void
Open(const nsACString& aMethod, const nsAString& aUrl, bool aAsync,
const Optional<nsAString>& aUser, const Optional<nsAString>& aPassword,
ErrorResult& aRv);
void
SetRequestHeader(const nsACString& aHeader, const nsACString& aValue,
ErrorResult& aRv);
uint32_t
Timeout() const
{
return mTimeout;
}
void
SetTimeout(uint32_t aTimeout, ErrorResult& aRv);
bool
WithCredentials() const
{
return mWithCredentials;
}
void
SetWithCredentials(bool aWithCredentials, ErrorResult& aRv);
bool
MozBackgroundRequest() const
{
return mBackgroundRequest;
}
void
SetMozBackgroundRequest(bool aBackgroundRequest, ErrorResult& aRv);
XMLHttpRequestUpload*
GetUpload(ErrorResult& aRv);
void
Send(ErrorResult& aRv);
void
Send(const nsAString& aBody, ErrorResult& aRv);
void
Send(JSObject* aBody, ErrorResult& aRv);
void
Send(JSObject& aBody, ErrorResult& aRv)
{
Send(&aBody, aRv);
}
void
Send(const ArrayBuffer& aBody, ErrorResult& aRv) {
return Send(aBody.Obj(), aRv);
}
void
Send(const ArrayBufferView& aBody, ErrorResult& aRv) {
return Send(aBody.Obj(), aRv);
}
void
SendAsBinary(const nsAString& aBody, ErrorResult& aRv);
void
Abort(ErrorResult& aRv);
uint16_t
GetStatus(ErrorResult& aRv) const
{
aRv = mStateData.mStatusResult;
return mStateData.mStatus;
}
void
GetStatusText(nsACString& aStatusText) const
{
aStatusText = mStateData.mStatusText;
}
void
GetResponseHeader(const nsACString& aHeader, nsACString& aResponseHeader,
ErrorResult& aRv);
void
GetAllResponseHeaders(nsACString& aResponseHeaders, ErrorResult& aRv);
void
OverrideMimeType(const nsAString& aMimeType, ErrorResult& aRv);
XMLHttpRequestResponseType
ResponseType() const
{
return mResponseType;
}
void
SetResponseType(XMLHttpRequestResponseType aResponseType, ErrorResult& aRv);
jsval
GetResponse(JSContext* /* unused */, ErrorResult& aRv);
void
GetResponseText(nsAString& aResponseText, ErrorResult& aRv);
JSObject*
GetResponseXML() const
{
return nullptr;
}
JSObject*
GetChannel() const
{
return nullptr;
}
JS::Value
GetInterface(JSContext* cx, JS::Handle<JSObject*> aIID, ErrorResult& aRv)
{
aRv.Throw(NS_ERROR_FAILURE);
return JSVAL_NULL;
}
XMLHttpRequestUpload*
GetUploadObjectNoCreate() const
{
return mUpload;
}
void
UpdateState(const StateData& aStateData);
void
NullResponseText()
{
mStateData.mResponseText.SetIsVoid(true);
mStateData.mResponse = JSVAL_NULL;
}
bool MozAnon() const
{
return mMozAnon;
}
bool MozSystem() const
{
return mMozSystem;
}
private:
enum ReleaseType { Default, XHRIsGoingAway, WorkerIsGoingAway };
void
ReleaseProxy(ReleaseType aType = Default);
void
MaybePin(ErrorResult& aRv);
void
MaybeDispatchPrematureAbortEvents(ErrorResult& aRv);
void
DispatchPrematureAbortEvent(EventTarget* aTarget,
const nsAString& aEventType, bool aUploadTarget,
ErrorResult& aRv);
bool
SendInProgress() const
{
return mRooted;
}
void
SendInternal(const nsAString& aStringBody,
JSAutoStructuredCloneBuffer& aBody,
nsTArray<nsCOMPtr<nsISupports> >& aClonedObjects,
ErrorResult& aRv);
};
END_WORKERS_NAMESPACE
#endif // mozilla_dom_workers_xmlhttprequest_h__