gecko-dev/dom/indexedDB/IDBFileRequest.h

98 строки
2.3 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_idbfilerequest_h__
#define mozilla_dom_indexeddb_idbfilerequest_h__
#include "DOMRequest.h"
#include "js/TypeDecls.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/FileRequestBase.h"
#include "nsAutoPtr.h"
#include "nsCycleCollectionParticipant.h"
template <class> struct already_AddRefed;
class nsPIDOMWindow;
namespace mozilla {
class EventChainPreVisitor;
namespace dom {
namespace indexedDB {
class IDBFileHandle;
class IDBFileRequest final : public DOMRequest,
public FileRequestBase
{
nsRefPtr<IDBFileHandle> mFileHandle;
bool mWrapAsDOMRequest;
public:
static already_AddRefed<IDBFileRequest>
Create(nsPIDOMWindow* aOwner, IDBFileHandle* aFileHandle,
bool aWrapAsDOMRequest);
// WebIDL
IDBFileHandle*
GetFileHandle() const
{
AssertIsOnOwningThread();
return mFileHandle;
}
IDBFileHandle*
GetLockedFile() const
{
AssertIsOnOwningThread();
return GetFileHandle();
}
IMPL_EVENT_HANDLER(progress)
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBFileRequest, DOMRequest)
// nsIDOMEventTarget
virtual nsresult
PreHandleEvent(EventChainPreVisitor& aVisitor) override;
// nsWrapperCache
virtual JSObject*
WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
// FileRequestBase
virtual FileHandleBase*
FileHandle() const override;
virtual void
OnProgress(uint64_t aProgress, uint64_t aProgressMax) override;
virtual void
SetResultCallback(ResultCallback* aCallback) override;
virtual void
SetError(nsresult aError) override;
private:
IDBFileRequest(nsPIDOMWindow* aWindow,
IDBFileHandle* aFileHandle,
bool aWrapAsDOMRequest);
~IDBFileRequest();
void
FireProgressEvent(uint64_t aLoaded, uint64_t aTotal);
};
} // namespace indexedDB
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_indexeddb_idbfilerequest_h__