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// 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 "chrome/browser/browsing_data/browsing_data_quota_helper_impl.h"
#include <map>
#include <set>
#include "base/barrier_closure.h"
#include "base/bind.h"
#include "base/logging.h"
#include "base/macros.h"
#include "chrome/browser/browsing_data/browsing_data_helper.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/storage_partition.h"
#include "storage/browser/quota/quota_manager.h"
using content::BrowserThread;
using content::BrowserContext;
// static
BrowsingDataQuotaHelper* BrowsingDataQuotaHelper::Create(Profile* profile) {
return new BrowsingDataQuotaHelperImpl(
BrowserContext::GetDefaultStoragePartition(profile)->GetQuotaManager());
}
void BrowsingDataQuotaHelperImpl::StartFetching(
const FetchResultCallback& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
DCHECK(!callback.is_null());
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&BrowsingDataQuotaHelperImpl::FetchQuotaInfoOnIOThread, this,
callback));
}
void BrowsingDataQuotaHelperImpl::RevokeHostQuota(const std::string& host) {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
base::Bind(&BrowsingDataQuotaHelperImpl::RevokeHostQuotaOnIOThread, this,
host));
}
BrowsingDataQuotaHelperImpl::BrowsingDataQuotaHelperImpl(
storage::QuotaManager* quota_manager)
: BrowsingDataQuotaHelper(),
quota_manager_(quota_manager),
weak_factory_(this) {
DCHECK(quota_manager);
}
BrowsingDataQuotaHelperImpl::~BrowsingDataQuotaHelperImpl() {}
void BrowsingDataQuotaHelperImpl::FetchQuotaInfoOnIOThread(
const FetchResultCallback& callback) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
const storage::StorageType types[] = {storage::kStorageTypeTemporary,
storage::kStorageTypePersistent,
storage::kStorageTypeSyncable};
// Query hosts for each storage types. When complete, process the collected
// hosts.
PendingHosts* pending_hosts = new PendingHosts();
base::Closure completion = base::BarrierClosure(
arraysize(types),
base::Bind(&BrowsingDataQuotaHelperImpl::OnGetOriginsComplete,
weak_factory_.GetWeakPtr(), callback,
base::Owned(pending_hosts)));
for (const storage::StorageType& type : types) {
quota_manager_->GetOriginsModifiedSince(
type, base::Time(),
base::Bind(&BrowsingDataQuotaHelperImpl::GotOrigins,
weak_factory_.GetWeakPtr(), pending_hosts, completion));
}
}
void BrowsingDataQuotaHelperImpl::GotOrigins(PendingHosts* pending_hosts,
const base::Closure& completion,
const std::set<GURL>& origins,
storage::StorageType type) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
for (const GURL& url : origins) {
if (!BrowsingDataHelper::HasWebScheme(url))
continue; // Non-websafe state is not considered browsing data.
pending_hosts->insert(std::make_pair(url.host(), type));
}
completion.Run();
}
void BrowsingDataQuotaHelperImpl::OnGetOriginsComplete(
const FetchResultCallback& callback,
PendingHosts* pending_hosts) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
// Query usage for each (host, type). When complete, process the results.
QuotaInfoMap* quota_info = new QuotaInfoMap();
base::Closure completion = base::BarrierClosure(
pending_hosts->size(),
base::Bind(&BrowsingDataQuotaHelperImpl::OnGetHostsUsageComplete,
weak_factory_.GetWeakPtr(), callback,
base::Owned(quota_info)));
for (const auto& itr : *pending_hosts) {
const std::string& host = itr.first;
storage::StorageType type = itr.second;
quota_manager_->GetHostUsage(
host, type, base::Bind(&BrowsingDataQuotaHelperImpl::GotHostUsage,
weak_factory_.GetWeakPtr(), quota_info,
completion, host, type));
}
}
void BrowsingDataQuotaHelperImpl::GotHostUsage(QuotaInfoMap* quota_info,
const base::Closure& completion,
const std::string& host,
storage::StorageType type,
int64 usage) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
switch (type) {
case storage::kStorageTypeTemporary:
(*quota_info)[host].temporary_usage = usage;
break;
case storage::kStorageTypePersistent:
(*quota_info)[host].persistent_usage = usage;
break;
case storage::kStorageTypeSyncable:
(*quota_info)[host].syncable_usage = usage;
break;
default:
NOTREACHED();
}
completion.Run();
}
void BrowsingDataQuotaHelperImpl::OnGetHostsUsageComplete(
const FetchResultCallback& callback,
QuotaInfoMap* quota_info) {
DCHECK_CURRENTLY_ON(BrowserThread::IO);
QuotaInfoArray result;
for (auto& pair : *quota_info) {
QuotaInfo& info = pair.second;
// Skip unused entries
if (info.temporary_usage <= 0 && info.persistent_usage <= 0 &&
info.syncable_usage <= 0)
continue;
info.host = pair.first;
result.push_back(info);
}
BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
base::Bind(callback, result));
}
void BrowsingDataQuotaHelperImpl::RevokeHostQuotaOnIOThread(
const std::string& host) {
quota_manager_->SetPersistentHostQuota(
host, 0, base::Bind(&BrowsingDataQuotaHelperImpl::DidRevokeHostQuota,
weak_factory_.GetWeakPtr()));
}
void BrowsingDataQuotaHelperImpl::DidRevokeHostQuota(
storage::QuotaStatusCode /*status*/,
int64 /*quota*/) {}
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