gecko-dev/dom/quota/QuotaRequests.h

126 строки
2.8 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_quota_UsageRequest_h
#define mozilla_dom_quota_UsageRequest_h
#include <cstdint>
#include "ErrorList.h"
#include "mozilla/Assertions.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIPrincipal.h"
#include "nsIQuotaRequests.h"
#include "nsISupports.h"
class nsIQuotaCallback;
class nsIQuotaUsageCallback;
class nsIVariant;
namespace mozilla {
namespace dom {
namespace quota {
class QuotaUsageRequestChild;
class RequestBase : public nsIQuotaRequestBase {
protected:
nsCOMPtr<nsIPrincipal> mPrincipal;
nsresult mResultCode;
bool mHaveResultOrErrorCode;
public:
void AssertIsOnOwningThread() const
#ifdef DEBUG
;
#else
{
}
#endif
void SetError(nsresult aRv);
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_NSIQUOTAREQUESTBASE
NS_DECL_CYCLE_COLLECTION_CLASS(RequestBase)
protected:
RequestBase();
RequestBase(nsIPrincipal* aPrincipal);
virtual ~RequestBase() { AssertIsOnOwningThread(); }
virtual void FireCallback() = 0;
};
class UsageRequest final : public RequestBase, public nsIQuotaUsageRequest {
nsCOMPtr<nsIQuotaUsageCallback> mCallback;
nsCOMPtr<nsIVariant> mResult;
QuotaUsageRequestChild* mBackgroundActor;
bool mCanceled;
public:
explicit UsageRequest(nsIQuotaUsageCallback* aCallback);
UsageRequest(nsIPrincipal* aPrincipal, nsIQuotaUsageCallback* aCallback);
void SetBackgroundActor(QuotaUsageRequestChild* aBackgroundActor);
void ClearBackgroundActor() {
AssertIsOnOwningThread();
mBackgroundActor = nullptr;
}
void SetResult(nsIVariant* aResult);
NS_DECL_ISUPPORTS_INHERITED
NS_FORWARD_NSIQUOTAREQUESTBASE(RequestBase::)
NS_DECL_NSIQUOTAUSAGEREQUEST
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(UsageRequest, RequestBase)
private:
~UsageRequest();
virtual void FireCallback() override;
};
class Request final : public RequestBase, public nsIQuotaRequest {
nsCOMPtr<nsIQuotaCallback> mCallback;
nsCOMPtr<nsIVariant> mResult;
public:
Request();
explicit Request(nsIPrincipal* aPrincipal);
explicit Request(nsIQuotaCallback* aCallback);
void SetResult(nsIVariant* aResult);
NS_DECL_ISUPPORTS_INHERITED
NS_FORWARD_NSIQUOTAREQUESTBASE(RequestBase::)
NS_DECL_NSIQUOTAREQUEST
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(Request, RequestBase)
private:
~Request();
virtual void FireCallback() override;
};
} // namespace quota
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_quota_UsageRequest_h