gecko/dom/base/nsFormData.h

134 lines
4.1 KiB
C++

/* 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 nsFormData_h__
#define nsFormData_h__
#include "mozilla/Attributes.h"
#include "nsIDOMFormData.h"
#include "nsIXMLHttpRequest.h"
#include "nsFormSubmission.h"
#include "nsWrapperCache.h"
#include "nsTArray.h"
#include "mozilla/ErrorResult.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/FormDataBinding.h"
namespace mozilla {
class ErrorResult;
namespace dom {
class File;
class HTMLFormElement;
class GlobalObject;
} // namespace dom
} // namespace mozilla
class nsFormData MOZ_FINAL : public nsIDOMFormData,
public nsIXHRSendable,
public nsFormSubmission,
public nsWrapperCache
{
private:
~nsFormData() {}
typedef mozilla::dom::File File;
struct FormDataTuple
{
nsString name;
nsString stringValue;
nsRefPtr<File> fileValue;
nsString filename;
bool valueIsFile;
};
// Returns the FormDataTuple to modify. This may be null, in which case
// no element with aName was found.
FormDataTuple*
RemoveAllOthersAndGetFirstFormDataTuple(const nsAString& aName);
void SetNameValuePair(FormDataTuple* aData,
const nsAString& aName,
const nsAString& aValue)
{
MOZ_ASSERT(aData);
aData->name = aName;
aData->stringValue = aValue;
aData->valueIsFile = false;
}
void SetNameFilePair(FormDataTuple* aData,
const nsAString& aName,
File* aBlob,
const nsAString& aFilename)
{
MOZ_ASSERT(aData);
aData->name = aName;
aData->fileValue = aBlob;
aData->filename = aFilename;
aData->valueIsFile = true;
}
void ExtractValue(const FormDataTuple& aTuple,
mozilla::dom::OwningFileOrUSVString* aOutValue);
public:
explicit nsFormData(nsISupports* aOwner = nullptr);
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsFormData,
nsIDOMFormData)
NS_DECL_NSIDOMFORMDATA
NS_DECL_NSIXHRSENDABLE
// nsWrapperCache
virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
// WebIDL
nsISupports*
GetParentObject() const
{
return mOwner;
}
static already_AddRefed<nsFormData>
Constructor(const mozilla::dom::GlobalObject& aGlobal,
const mozilla::dom::Optional<mozilla::dom::NonNull<mozilla::dom::HTMLFormElement> >& aFormElement,
mozilla::ErrorResult& aRv);
void Append(const nsAString& aName, const nsAString& aValue);
void Append(const nsAString& aName, File& aBlob,
const mozilla::dom::Optional<nsAString>& aFilename);
void Delete(const nsAString& aName);
void Get(const nsAString& aName, mozilla::dom::Nullable<mozilla::dom::OwningFileOrUSVString>& aOutValue);
void GetAll(const nsAString& aName, nsTArray<mozilla::dom::OwningFileOrUSVString>& aValues);
bool Has(const nsAString& aName);
void Set(const nsAString& aName, File& aBlob,
const mozilla::dom::Optional<nsAString>& aFilename);
void Set(const nsAString& aName, const nsAString& aValue);
// nsFormSubmission
virtual nsresult GetEncodedSubmission(nsIURI* aURI,
nsIInputStream** aPostDataStream) MOZ_OVERRIDE;
virtual nsresult AddNameValuePair(const nsAString& aName,
const nsAString& aValue) MOZ_OVERRIDE
{
FormDataTuple* data = mFormData.AppendElement();
SetNameValuePair(data, aName, aValue);
return NS_OK;
}
virtual nsresult AddNameFilePair(const nsAString& aName,
File* aBlob,
const nsString& aFilename) MOZ_OVERRIDE
{
FormDataTuple* data = mFormData.AppendElement();
SetNameFilePair(data, aName, aBlob, aFilename);
return NS_OK;
}
private:
nsCOMPtr<nsISupports> mOwner;
nsTArray<FormDataTuple> mFormData;
};
#endif // nsFormData_h__