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/* -*- 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_client_h__
#define mozilla_dom_quota_client_h__
#include "mozilla/dom/quota/QuotaCommon.h"
#include "mozilla/dom/ipc/IdType.h"
#include "PersistenceType.h"
class nsIRunnable;
#define IDB_DIRECTORY_NAME "idb"
#define ASMJSCACHE_DIRECTORY_NAME "asmjs"
#define DOMCACHE_DIRECTORY_NAME "cache"
BEGIN_QUOTA_NAMESPACE
class QuotaManager;
class UsageInfo;
// An abstract interface for quota manager clients.
// Each storage API must provide an implementation of this interface in order
// to participate in centralized quota and storage handling.
class Client
{
public:
typedef mozilla::Atomic<bool> AtomicBool;
NS_IMETHOD_(MozExternalRefCountType)
AddRef() = 0;
NS_IMETHOD_(MozExternalRefCountType)
Release() = 0;
enum Type {
IDB = 0,
//LS,
//APPCACHE,
ASMJS,
DOMCACHE,
TYPE_MAX
};
virtual Type
GetType() = 0;
static nsresult
TypeToText(Type aType, nsAString& aText)
{
switch (aType) {
case IDB:
aText.AssignLiteral(IDB_DIRECTORY_NAME);
break;
case ASMJS:
aText.AssignLiteral(ASMJSCACHE_DIRECTORY_NAME);
break;
case DOMCACHE:
aText.AssignLiteral(DOMCACHE_DIRECTORY_NAME);
break;
case TYPE_MAX:
default:
NS_NOTREACHED("Bad id value!");
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
static nsresult
TypeFromText(const nsAString& aText, Type& aType)
{
if (aText.EqualsLiteral(IDB_DIRECTORY_NAME)) {
aType = IDB;
}
else if (aText.EqualsLiteral(ASMJSCACHE_DIRECTORY_NAME)) {
aType = ASMJS;
}
else if (aText.EqualsLiteral(DOMCACHE_DIRECTORY_NAME)) {
aType = DOMCACHE;
}
else {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
// Methods which are called on the IO thred.
virtual nsresult
InitOrigin(PersistenceType aPersistenceType,
const nsACString& aGroup,
const nsACString& aOrigin,
const AtomicBool& aCanceled,
UsageInfo* aUsageInfo) = 0;
virtual nsresult
GetUsageForOrigin(PersistenceType aPersistenceType,
const nsACString& aGroup,
const nsACString& aOrigin,
const AtomicBool& aCanceled,
UsageInfo* aUsageInfo) = 0;
virtual void
OnOriginClearCompleted(PersistenceType aPersistenceType,
const nsACString& aOrigin) = 0;
virtual void
ReleaseIOThreadObjects() = 0;
// Methods which are called on the background thred.
virtual void
AbortOperations(const nsACString& aOrigin) = 0;
virtual void
AbortOperationsForProcess(ContentParentId aContentParentId) = 0;
virtual void
StartIdleMaintenance() = 0;
virtual void
StopIdleMaintenance() = 0;
virtual void
ShutdownWorkThreads() = 0;
// Methods which are called on the main thread.
virtual void
DidInitialize(QuotaManager* aQuotaManager)
{ }
virtual void
WillShutdown()
{ }
protected:
virtual ~Client()
{ }
};
END_QUOTA_NAMESPACE
#endif // mozilla_dom_quota_client_h__
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