gecko-dev/dom/datastore/DataStoreService.h

120 lines
3.8 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_DataStoreService_h
#define mozilla_dom_DataStoreService_h
#include "mozilla/dom/PContent.h"
#include "nsClassHashtable.h"
#include "nsIDataStoreService.h"
#include "nsIObserver.h"
#include "nsRefPtrHashtable.h"
class nsIPrincipal;
class nsIUUIDGenerator;
class nsPIDOMWindow;
namespace mozilla {
namespace dom {
class DataStoreInfo;
class FirstRevisionIdCallback;
class PendingRequest;
class Promise;
class RetrieveRevisionsCounter;
class RevisionAddedEnableStoreCallback;
class DataStoreService final : public nsIDataStoreService
, public nsIObserver
{
friend class ContentChild;
friend class FirstRevisionIdCallback;
friend class RetrieveRevisionsCounter;
friend class RevisionAddedEnableStoreCallback;
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
NS_DECL_NSIDATASTORESERVICE
// Returns the DataStoreService singleton. Only to be called from main
// thread.
static already_AddRefed<DataStoreService> GetOrCreate();
static already_AddRefed<DataStoreService> Get();
static void Shutdown();
static bool CheckPermission(nsIPrincipal* principal);
nsresult GenerateUUID(nsAString& aID);
nsresult GetDataStoresFromIPC(const nsAString& aName,
const nsAString& aOwner,
nsIPrincipal* aPrincipal,
nsTArray<DataStoreSetting>* aValue);
void HomeScreenPrefChanged();
private:
DataStoreService();
~DataStoreService();
nsresult Init();
typedef nsClassHashtable<nsUint32HashKey, DataStoreInfo> HashApp;
nsresult AddPermissions(uint32_t aAppId, const nsAString& aName,
const nsAString& aOriginURL,
const nsAString& aManifestURL,
bool aReadOnly);
nsresult AddAccessPermissions(uint32_t aAppId, const nsAString& aName,
const nsAString& aOriginURL,
const nsAString& aManifestURL,
bool aReadOnly);
nsresult CreateFirstRevisionId(uint32_t aAppId, const nsAString& aName,
const nsAString& aManifestURL);
void GetDataStoresCreate(nsPIDOMWindow* aWindow, Promise* aPromise,
const nsTArray<DataStoreInfo>& aStores);
void GetDataStoresResolve(nsPIDOMWindow* aWindow, Promise* aPromise,
const nsTArray<DataStoreInfo>& aStores);
nsresult GetDataStoreInfos(const nsAString& aName, const nsAString& aOwner,
uint32_t aAppId, nsIPrincipal* aPrincipal,
nsTArray<DataStoreInfo>& aStores);
void DeleteDataStores(uint32_t aAppId);
nsresult EnableDataStore(uint32_t aAppId, const nsAString& aName,
const nsAString& aManifestURL);
already_AddRefed<RetrieveRevisionsCounter> GetCounter(uint32_t aId) const;
void RemoveCounter(uint32_t aId);
void DeleteDataStoresIfNotAllowed(const nsAString& aManifestURL);
void AddDataStoresIfAllowed(const nsAString& aManifestURL);
nsClassHashtable<nsStringHashKey, HashApp> mStores;
nsClassHashtable<nsStringHashKey, HashApp> mAccessStores;
typedef nsTArray<PendingRequest> PendingRequests;
nsClassHashtable<nsStringHashKey, PendingRequests> mPendingRequests;
nsRefPtrHashtable<nsUint32HashKey, RetrieveRevisionsCounter> mPendingCounters;
nsCOMPtr<nsIUUIDGenerator> mUUIDGenerator;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_DataStoreService_h