Source code

Revision control

Other Tools

/* -*- 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_idbfilerequest_h__
#define mozilla_dom_idbfilerequest_h__
#include "DOMRequest.h"
#include "js/TypeDecls.h"
#include "mozilla/Attributes.h"
#include "nsCycleCollectionParticipant.h"
#include "nsString.h"
namespace mozilla {
class EventChainPreVisitor;
namespace dom {
class IDBFileHandle;
class IDBFileRequest final : public DOMRequest {
RefPtr<IDBFileHandle> mFileHandle;
nsString mEncoding;
bool mWrapAsDOMRequest;
bool mHasEncoding;
public:
[[nodiscard]] static RefPtr<IDBFileRequest> Create(IDBFileHandle* aFileHandle,
bool aWrapAsDOMRequest);
void SetEncoding(const nsAString& aEncoding) {
mEncoding = aEncoding;
mHasEncoding = true;
}
const nsAString& GetEncoding() const { return mEncoding; }
bool HasEncoding() const { return mHasEncoding; }
void FireProgressEvent(uint64_t aLoaded, uint64_t aTotal);
template <typename ResultCallback>
void SetResult(const ResultCallback& aCallback) {
AssertIsOnOwningThread();
AutoJSAPI autoJS;
if (NS_WARN_IF(!autoJS.Init(GetOwnerGlobal()))) {
FireError(NS_ERROR_DOM_FILEHANDLE_UNKNOWN_ERR);
return;
}
JSContext* cx = autoJS.cx();
JS::Rooted<JS::Value> result(cx);
nsresult rv = aCallback(cx, &result);
if (NS_WARN_IF(NS_FAILED(rv))) {
FireError(rv);
} else {
FireSuccess(result);
}
}
// WebIDL
IDBFileHandle* GetFileHandle() const {
AssertIsOnOwningThread();
return mFileHandle;
}
IDBFileHandle* GetLockedFile() const {
AssertIsOnOwningThread();
return GetFileHandle();
}
IMPL_EVENT_HANDLER(progress)
void AssertIsOnOwningThread() const {
NS_ASSERT_OWNINGTHREAD(IDBFileRequest);
}
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(IDBFileRequest, DOMRequest)
// EventTarget
void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
// nsWrapperCache
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
private:
IDBFileRequest(IDBFileHandle* aFileHandle, bool aWrapAsDOMRequest);
~IDBFileRequest();
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_idbfilerequest_h__