mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
115 lines
2.5 KiB
C++
115 lines
2.5 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_filehandle_h__
|
|
#define mozilla_dom_file_filehandle_h__
|
|
|
|
#include "FileCommon.h"
|
|
|
|
#include "nsIDOMFileHandle.h"
|
|
#include "nsIFile.h"
|
|
#include "nsIFileStorage.h"
|
|
|
|
#include "nsDOMEventTargetHelper.h"
|
|
|
|
#include "mozilla/Attributes.h"
|
|
#include "mozilla/dom/FileHandleBinding.h"
|
|
|
|
class nsIDOMFile;
|
|
class nsIFileStorage;
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
class DOMRequest;
|
|
} // namespace dom
|
|
} // namespace mozilla
|
|
|
|
BEGIN_FILE_NAMESPACE
|
|
|
|
class FileService;
|
|
class LockedFile;
|
|
class FinishHelper;
|
|
class FileHelper;
|
|
|
|
/**
|
|
* Must be subclassed. The subclass must implement CreateStream and
|
|
* CreateFileObject. Basically, every file storage implementation provides its
|
|
* own FileHandle implementation (for example IDBFileHandle provides IndexedDB
|
|
* specific implementation).
|
|
*/
|
|
class FileHandle : public nsDOMEventTargetHelper,
|
|
public nsIDOMFileHandle
|
|
{
|
|
friend class FileService;
|
|
friend class LockedFile;
|
|
friend class FinishHelper;
|
|
friend class FileHelper;
|
|
|
|
public:
|
|
NS_DECL_ISUPPORTS_INHERITED
|
|
NS_DECL_NSIDOMFILEHANDLE
|
|
|
|
nsPIDOMWindow* GetParentObject() const
|
|
{
|
|
return GetOwner();
|
|
}
|
|
virtual JSObject* WrapObject(JSContext* aCx, JSObject* aScope) MOZ_OVERRIDE;
|
|
|
|
void GetName(nsString& aName) const
|
|
{
|
|
aName = mName;
|
|
}
|
|
void GetType(nsString& aType) const
|
|
{
|
|
aType = mType;
|
|
}
|
|
already_AddRefed<nsIDOMLockedFile> Open(FileMode aMode, ErrorResult& aError);
|
|
already_AddRefed<DOMRequest> GetFile(ErrorResult& aError);
|
|
IMPL_EVENT_HANDLER(abort)
|
|
IMPL_EVENT_HANDLER(error)
|
|
|
|
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(FileHandle, nsDOMEventTargetHelper)
|
|
|
|
const nsAString&
|
|
Name() const
|
|
{
|
|
return mName;
|
|
}
|
|
|
|
const nsAString&
|
|
Type() const
|
|
{
|
|
return mType;
|
|
}
|
|
|
|
virtual already_AddRefed<nsISupports>
|
|
CreateStream(nsIFile* aFile, bool aReadOnly) = 0;
|
|
|
|
virtual already_AddRefed<nsIDOMFile>
|
|
CreateFileObject(LockedFile* aLockedFile, uint32_t aFileSize) = 0;
|
|
|
|
protected:
|
|
FileHandle()
|
|
{
|
|
SetIsDOMBinding();
|
|
}
|
|
|
|
~FileHandle()
|
|
{ }
|
|
|
|
nsCOMPtr<nsIFileStorage> mFileStorage;
|
|
|
|
nsString mName;
|
|
nsString mType;
|
|
|
|
nsCOMPtr<nsIFile> mFile;
|
|
nsString mFileName;
|
|
};
|
|
|
|
END_FILE_NAMESPACE
|
|
|
|
#endif // mozilla_dom_file_filehandle_h__
|