blob: 9a84c3a0287cfc0aee846912a77dce14f19e6163 [file] [log] [blame]
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include <list>
#include <string>
#include "base/callback.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/sequenced_task_runner_helpers.h"
class BrowsingDataQuotaHelper;
class Profile;
struct BrowsingDataQuotaHelperDeleter {
static void Destruct(const BrowsingDataQuotaHelper* helper);
// This class is an interface class to bridge between Cookies Tree and Unified
// Quota System. This class provides a way to get usage and quota information
// through the instance.
// Call Create to create an instance for a profile and call StartFetching with
// a callback to fetch information asynchronously.
// Parallel fetching is not allowed, a fetching task should start after end of
// previous task. All method of this class should called from UI thread.
class BrowsingDataQuotaHelper
: public base::RefCountedThreadSafe<BrowsingDataQuotaHelper,
BrowsingDataQuotaHelperDeleter> {
// QuotaInfo contains host-based quota and usage information for persistent
// and temporary storage.
struct QuotaInfo {
explicit QuotaInfo(const std::string& host);
QuotaInfo(const std::string& host,
int64_t temporary_usage,
int64_t persistent_usage,
int64_t syncable_usage);
// Certain versions of MSVC 2008 have bad implementations of ADL for nested
// classes so they require these operators to be declared here instead of in
// the global namespace.
bool operator <(const QuotaInfo& rhs) const;
bool operator ==(const QuotaInfo& rhs) const;
std::string host;
int64_t temporary_usage = 0;
int64_t persistent_usage = 0;
int64_t syncable_usage = 0;
using QuotaInfoArray = std::list<QuotaInfo>;
using FetchResultCallback = base::OnceCallback<void(const QuotaInfoArray&)>;
static BrowsingDataQuotaHelper* Create(Profile* profile);
virtual void StartFetching(FetchResultCallback callback) = 0;
virtual void RevokeHostQuota(const std::string& host) = 0;
virtual ~BrowsingDataQuotaHelper();
friend class base::DeleteHelper<BrowsingDataQuotaHelper>;
friend struct BrowsingDataQuotaHelperDeleter;