зеркало из https://github.com/mozilla/gecko-dev.git
121 строка
3.1 KiB
C++
121 строка
3.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=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_archivereader_domarchivereader_h__
|
|
#define mozilla_dom_archivereader_domarchivereader_h__
|
|
|
|
#include "nsWrapperCache.h"
|
|
|
|
#include "ArchiveReaderCommon.h"
|
|
|
|
#include "nsCOMArray.h"
|
|
#include "nsIChannel.h"
|
|
#include "nsIDOMFile.h"
|
|
#include "mozilla/Attributes.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
struct ArchiveReaderOptions;
|
|
class File;
|
|
class FileImpl;
|
|
class GlobalObject;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
BEGIN_ARCHIVEREADER_NAMESPACE
|
|
|
|
class ArchiveRequest;
|
|
|
|
/**
|
|
* This is the ArchiveReader object
|
|
*/
|
|
class ArchiveReader final : public nsISupports,
|
|
public nsWrapperCache
|
|
{
|
|
public:
|
|
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
|
|
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(ArchiveReader)
|
|
|
|
static already_AddRefed<ArchiveReader>
|
|
Constructor(const GlobalObject& aGlobal, File& aBlob,
|
|
const ArchiveReaderOptions& aOptions, ErrorResult& aError);
|
|
|
|
ArchiveReader(File& aBlob, nsPIDOMWindow* aWindow,
|
|
const nsACString& aEncoding);
|
|
|
|
nsIDOMWindow* GetParentObject() const
|
|
{
|
|
return mWindow;
|
|
}
|
|
|
|
virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
|
|
|
|
already_AddRefed<ArchiveRequest> GetFilenames();
|
|
already_AddRefed<ArchiveRequest> GetFile(const nsAString& filename);
|
|
already_AddRefed<ArchiveRequest> GetFiles();
|
|
|
|
nsresult GetInputStream(nsIInputStream** aInputStream);
|
|
nsresult GetSize(uint64_t* aSize);
|
|
|
|
public: // for the ArchiveRequest:
|
|
nsresult RegisterRequest(ArchiveRequest* aRequest);
|
|
|
|
public: // For events:
|
|
FileImpl* GetFileImpl() const
|
|
{
|
|
return mFileImpl;
|
|
}
|
|
|
|
void Ready(nsTArray<nsCOMPtr<nsIDOMFile> >& aFileList,
|
|
nsresult aStatus);
|
|
|
|
private:
|
|
~ArchiveReader();
|
|
|
|
already_AddRefed<ArchiveRequest> GenerateArchiveRequest();
|
|
|
|
nsresult OpenArchive();
|
|
|
|
void RequestReady(ArchiveRequest* aRequest);
|
|
|
|
protected:
|
|
// The archive blob/file
|
|
nsRefPtr<FileImpl> mFileImpl;
|
|
|
|
// The window is needed by the requests
|
|
nsCOMPtr<nsPIDOMWindow> mWindow;
|
|
|
|
// Are we ready to return data?
|
|
enum {
|
|
NOT_STARTED = 0,
|
|
WORKING,
|
|
READY
|
|
} mStatus;
|
|
|
|
// State of the read:
|
|
enum {
|
|
Header, // We are collecting the header: 30bytes
|
|
Name, // The name length is contained in the header
|
|
Data, // The length of the data segment COULD be written in the header
|
|
Search // ... if the data length is unknown (== 0) we wait until we read a new header
|
|
} mReadStatus;
|
|
|
|
// List of requests to be processed
|
|
nsTArray<nsRefPtr<ArchiveRequest> > mRequests;
|
|
|
|
// Everything related to the blobs and the status:
|
|
struct {
|
|
nsTArray<nsCOMPtr<nsIDOMFile> > fileList;
|
|
nsresult status;
|
|
} mData;
|
|
|
|
nsCString mEncoding;
|
|
};
|
|
|
|
END_ARCHIVEREADER_NAMESPACE
|
|
|
|
#endif // mozilla_dom_archivereader_domarchivereader_h__
|