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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsIQuotaRequests.h"
class nsIPrincipal;
class nsIQuotaCallback;
class nsIQuotaUsageCallback;
struct PRThread;
namespace mozilla {
namespace dom {
namespace quota {
class QuotaUsageRequestChild;
class RequestBase
: public nsIQuotaRequestBase
{
protected:
#ifdef DEBUG
PRThread* mOwningThread;
#endif
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;
public:
Request();
explicit Request(nsIPrincipal* aPrincipal);
void
SetResult();
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
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