gecko/dom/indexedDB/IDBMutableFile.h
2015-05-18 14:52:26 +01:00

159 lines
3.4 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_indexeddb_idbmutablefile_h__
#define mozilla_dom_indexeddb_idbmutablefile_h__
#include "js/TypeDecls.h"
#include "mozilla/Atomics.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/FileModeBinding.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/FileModeBinding.h"
#include "mozilla/dom/MutableFile.h"
#include "mozilla/dom/quota/PersistenceType.h"
#include "nsAutoPtr.h"
#include "nsCycleCollectionParticipant.h"
class nsPIDOMWindow;
namespace mozilla {
class ErrorResult;
namespace dom {
class DOMRequest;
class File;
class MetadataParameters;
namespace indexedDB {
class FileInfo;
class IDBDatabase;
class IDBFileHandle;
class IDBMutableFile final
: public DOMEventTargetHelper
, public MutableFileBase
{
typedef mozilla::dom::MetadataParameters MetadataParameters;
typedef mozilla::dom::quota::PersistenceType PersistenceType;
nsString mName;
nsString mType;
nsRefPtr<IDBDatabase> mDatabase;
nsRefPtr<FileInfo> mFileInfo;
const nsCString mGroup;
const nsCString mOrigin;
const PersistenceType mPersistenceType;
Atomic<bool> mInvalidated;
public:
static already_AddRefed<IDBMutableFile>
Create(IDBDatabase* aDatabase,
const nsAString& aName,
const nsAString& aType,
already_AddRefed<FileInfo> aFileInfo);
const nsAString&
Name() const
{
return mName;
}
const nsAString&
Type() const
{
return mType;
}
int64_t
GetFileId() const;
FileInfo*
GetFileInfo() const
{
return mFileInfo;
}
already_AddRefed<File>
CreateFileObject(IDBFileHandle* aFileHandle,
MetadataParameters* aMetadataParams);
void
Invalidate();
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBMutableFile, DOMEventTargetHelper)
virtual bool
IsInvalid() override;
virtual nsIOfflineStorage*
Storage() override;
virtual already_AddRefed<nsISupports>
CreateStream(bool aReadOnly) override;
// nsWrapperCache
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// WebIDL
nsPIDOMWindow*
GetParentObject() const
{
return GetOwner();
}
void
GetName(nsString& aName) const
{
aName = mName;
}
void
GetType(nsString& aType) const
{
aType = mType;
}
IDBDatabase*
Database() const;
already_AddRefed<IDBFileHandle>
Open(FileMode aMode, ErrorResult& aError);
already_AddRefed<DOMRequest>
GetFile(ErrorResult& aError);
IMPL_EVENT_HANDLER(abort)
IMPL_EVENT_HANDLER(error)
private:
IDBMutableFile(IDBDatabase* aDatabase,
const nsAString& aName,
const nsAString& aType,
already_AddRefed<FileInfo> aFileInfo,
const nsACString& aGroup,
const nsACString& aOrigin,
const nsACString& aStorageId,
PersistenceType aPersistenceType,
already_AddRefed<nsIFile> aFile);
~IDBMutableFile();
};
} // namespace indexedDB
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_indexeddb_idbmutablefile_h__