gecko-dev/dom/indexedDB/IDBMutableFile.h

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2.9 KiB
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/* -*- 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_indexeddb_idbmutablefile_h__
#define mozilla_dom_indexeddb_idbmutablefile_h__
#include "js/TypeDecls.h"
#include "MainThreadUtils.h"
#include "mozilla/Assertions.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/FileModeBinding.h"
#include "mozilla/dom/indexedDB/FileInfo.h"
#include "mozilla/dom/MutableFile.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "nsAutoPtr.h"
#include "nsCycleCollectionParticipant.h"
class nsIDOMFile;
class nsPIDOMWindow;
namespace mozilla {
class ErrorResult;
namespace dom {
class DOMRequest;
namespace indexedDB {
class IDBDatabase;
class IDBFileHandle;
class IDBMutableFile MOZ_FINAL : public DOMEventTargetHelper,
public MutableFileBase
{
public:
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBMutableFile, DOMEventTargetHelper)
static already_AddRefed<IDBMutableFile>
Create(const nsAString& aName, const nsAString& aType,
IDBDatabase* aDatabase, already_AddRefed<FileInfo> aFileInfo);
const nsAString&
Name() const
{
return mName;
}
const nsAString&
Type() const
{
return mType;
}
int64_t
GetFileId() const
{
return mFileInfo->Id();
}
FileInfo*
GetFileInfo() const
{
return mFileInfo;
}
virtual bool
IsInvalid() MOZ_OVERRIDE;
virtual nsIOfflineStorage*
Storage() MOZ_OVERRIDE;
virtual already_AddRefed<nsISupports>
CreateStream(bool aReadOnly) MOZ_OVERRIDE;
virtual void
SetThreadLocals() MOZ_OVERRIDE;
virtual void
UnsetThreadLocals() MOZ_OVERRIDE;
already_AddRefed<nsIDOMFile>
CreateFileObject(IDBFileHandle* aFileHandle, uint32_t aFileSize);
// nsWrapperCache
virtual JSObject*
WrapObject(JSContext* aCx) MOZ_OVERRIDE;
// WebIDL
nsPIDOMWindow*
GetParentObject() const
{
return GetOwner();
}
void
GetName(nsString& aName) const
{
aName = mName;
}
void
GetType(nsString& aType) const
{
aType = mType;
}
IDBDatabase*
Database()
{
MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
return mDatabase;
}
already_AddRefed<IDBFileHandle>
Open(FileMode aMode, ErrorResult& aError);
already_AddRefed<DOMRequest>
GetFile(ErrorResult& aError);
IMPL_EVENT_HANDLER(abort)
IMPL_EVENT_HANDLER(error)
private:
explicit IDBMutableFile(IDBDatabase* aOwner);
~IDBMutableFile();
nsString mName;
nsString mType;
nsRefPtr<IDBDatabase> mDatabase;
nsRefPtr<FileInfo> mFileInfo;
};
} // namespace indexedDB
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_indexeddb_idbmutablefile_h__