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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_quota_helper_impl.h"
#include <map>
#include <set>
#include "base/bind.h"
#include "base/logging.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/url_constants.h"
#include "chrome/browser/browsing_data_helper.h"
#include "webkit/quota/quota_manager.h"
using content::BrowserThread;
// static
BrowsingDataQuotaHelper* BrowsingDataQuotaHelper::Create(Profile* profile) {
return new BrowsingDataQuotaHelperImpl(
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO),
content::BrowserContext::GetQuotaManager(profile));
}
void BrowsingDataQuotaHelperImpl::StartFetching(
const FetchResultCallback& callback) {
DCHECK_EQ(false, callback.is_null());
DCHECK(callback_.is_null());
DCHECK(!is_fetching_);
callback_ = callback;
quota_info_.clear();
is_fetching_ = true;
FetchQuotaInfo();
}
void BrowsingDataQuotaHelperImpl::RevokeHostQuota(const std::string& host) {
if (!io_thread_->BelongsToCurrentThread()) {
io_thread_->PostTask(
FROM_HERE,
base::Bind(&BrowsingDataQuotaHelperImpl::RevokeHostQuota, this, host));
return;
}
quota_manager_->SetPersistentHostQuota(
host, 0,
base::Bind(&BrowsingDataQuotaHelperImpl::DidRevokeHostQuota,
weak_factory_.GetWeakPtr()));
}
BrowsingDataQuotaHelperImpl::BrowsingDataQuotaHelperImpl(
base::MessageLoopProxy* ui_thread,
base::MessageLoopProxy* io_thread,
quota::QuotaManager* quota_manager)
: BrowsingDataQuotaHelper(io_thread),
quota_manager_(quota_manager),
is_fetching_(false),
ui_thread_(ui_thread),
io_thread_(io_thread),
weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
DCHECK(quota_manager);
}
BrowsingDataQuotaHelperImpl::~BrowsingDataQuotaHelperImpl() {}
void BrowsingDataQuotaHelperImpl::FetchQuotaInfo() {
if (!io_thread_->BelongsToCurrentThread()) {
io_thread_->PostTask(
FROM_HERE,
base::Bind(&BrowsingDataQuotaHelperImpl::FetchQuotaInfo, this));
return;
}
quota_manager_->GetOriginsModifiedSince(
quota::kStorageTypeTemporary,
base::Time(),
base::Bind(&BrowsingDataQuotaHelperImpl::GotOrigins,
weak_factory_.GetWeakPtr()));
}
void BrowsingDataQuotaHelperImpl::GotOrigins(
const std::set<GURL>& origins, quota::StorageType type) {
for (std::set<GURL>::const_iterator itr = origins.begin();
itr != origins.end();
++itr)
if (BrowsingDataHelper::HasValidScheme(*itr))
pending_hosts_.insert(std::make_pair(itr->host(), type));
DCHECK(type == quota::kStorageTypeTemporary ||
type == quota::kStorageTypePersistent);
if (type == quota::kStorageTypeTemporary) {
quota_manager_->GetOriginsModifiedSince(
quota::kStorageTypePersistent,
base::Time(),
base::Bind(&BrowsingDataQuotaHelperImpl::GotOrigins,
weak_factory_.GetWeakPtr()));
} else {
// type == quota::kStorageTypePersistent
ProcessPendingHosts();
}
}
void BrowsingDataQuotaHelperImpl::ProcessPendingHosts() {
if (pending_hosts_.empty()) {
OnComplete();
return;
}
PendingHosts::iterator itr = pending_hosts_.begin();
std::string host = itr->first;
quota::StorageType type = itr->second;
pending_hosts_.erase(itr);
GetHostUsage(host, type);
}
void BrowsingDataQuotaHelperImpl::GetHostUsage(const std::string& host,
quota::StorageType type) {
DCHECK(quota_manager_.get());
quota_manager_->GetHostUsage(
host, type,
base::Bind(&BrowsingDataQuotaHelperImpl::GotHostUsage,
weak_factory_.GetWeakPtr()));
}
void BrowsingDataQuotaHelperImpl::GotHostUsage(const std::string& host,
quota::StorageType type,
int64 usage) {
switch (type) {
case quota::kStorageTypeTemporary:
quota_info_[host].temporary_usage = usage;
break;
case quota::kStorageTypePersistent:
quota_info_[host].persistent_usage = usage;
break;
default:
NOTREACHED();
}
ProcessPendingHosts();
}
void BrowsingDataQuotaHelperImpl::OnComplete() {
if (!ui_thread_->BelongsToCurrentThread()) {
ui_thread_->PostTask(
FROM_HERE,
base::Bind(&BrowsingDataQuotaHelperImpl::OnComplete, this));
return;
}
is_fetching_ = false;
QuotaInfoArray result;
for (std::map<std::string, QuotaInfo>::iterator itr = quota_info_.begin();
itr != quota_info_.end();
++itr) {
QuotaInfo* info = &itr->second;
// Skip unused entries
if (info->temporary_usage <= 0 &&
info->persistent_usage <= 0)
continue;
info->host = itr->first;
result.push_back(*info);
}
callback_.Run(result);
callback_.Reset();
}
void BrowsingDataQuotaHelperImpl::DidRevokeHostQuota(
quota::QuotaStatusCode status_unused,
const std::string& host_unused,
quota::StorageType type_unused,
int64 quota_unused) {
}
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