gecko-dev/dom/file/ArchiveRequest.h

92 строки
2.4 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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_file_domarchiverequest_h__
#define mozilla_dom_file_domarchiverequest_h__
#include "ArchiveReader.h"
#include "DOMRequest.h"
#include "FileCommon.h"
BEGIN_FILE_NAMESPACE
/**
* This is the ArchiveRequest that handles any operation
* related to ArchiveReader
*/
class ArchiveRequest : public mozilla::dom::DOMRequest
{
public:
static bool PrefEnabled()
{
return ArchiveReader::PrefEnabled();
}
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE;
ArchiveReader* Reader() const;
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(ArchiveRequest, DOMRequest)
ArchiveRequest(nsIDOMWindow* aWindow,
ArchiveReader* aReader);
// nsIDOMEventTarget
virtual nsresult PreHandleEvent(nsEventChainPreVisitor& aVisitor);
public:
// This is called by the DOMArchiveRequestEvent
void Run();
// Set the types for this request
void OpGetFilenames();
void OpGetFile(const nsAString& aFilename);
void OpGetFiles();
nsresult ReaderReady(nsTArray<nsCOMPtr<nsIDOMFile> >& aFileList,
nsresult aStatus);
public: // static
static already_AddRefed<ArchiveRequest> Create(nsIDOMWindow* aOwner,
ArchiveReader* aReader);
private:
~ArchiveRequest();
nsresult GetFilenamesResult(JSContext* aCx,
JS::Value* aValue,
nsTArray<nsCOMPtr<nsIDOMFile> >& aFileList);
nsresult GetFileResult(JSContext* aCx,
JS::Value* aValue,
nsTArray<nsCOMPtr<nsIDOMFile> >& aFileList);
nsresult GetFilesResult(JSContext* aCx,
JS::Value* aValue,
nsTArray<nsCOMPtr<nsIDOMFile> >& aFileList);
protected:
// The reader:
nsRefPtr<ArchiveReader> mArchiveReader;
// The operation:
enum {
GetFilenames,
GetFile,
GetFiles
} mOperation;
// The filename (needed by GetFile):
nsString mFilename;
};
END_FILE_NAMESPACE
#endif // mozilla_dom_file_domarchiverequest_h__