src/chrome/browser/browsing_data/browsing_data_quota_helper_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/browsing_data/browsing_data_quota_helper_impl.h"
   6
   7 #include <map>
   8 #include <set>
   9
  10 #include "base/bind.h"
  11 #include "base/logging.h"
  12 #include "chrome/browser/browsing_data/browsing_data_helper.h"
  13 #include "chrome/browser/profiles/profile.h"
  14 #include "chrome/common/url_constants.h"
  15 #include "content/public/browser/browser_context.h"
  16 #include "content/public/browser/browser_thread.h"
  17 #include "content/public/browser/storage_partition.h"
  18 #include "webkit/browser/quota/quota_manager.h"
  19
  20 using content::BrowserThread;
  21 using content::BrowserContext;
  22
  23 // static
  24 BrowsingDataQuotaHelper* BrowsingDataQuotaHelper::Create(Profile* profile) {
  25   return new BrowsingDataQuotaHelperImpl(
  26       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI).get(),
  27       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get(),
  28       BrowserContext::GetDefaultStoragePartition(profile)->GetQuotaManager());
  29 }
  30
  31 void BrowsingDataQuotaHelperImpl::StartFetching(
  32     const FetchResultCallback& callback) {
  33   DCHECK_EQ(false, callback.is_null());
  34   DCHECK(callback_.is_null());
  35   DCHECK(!is_fetching_);
  36   callback_ = callback;
  37   quota_info_.clear();
  38   is_fetching_ = true;
  39
  40   FetchQuotaInfo();
  41 }
  42
  43 void BrowsingDataQuotaHelperImpl::RevokeHostQuota(const std::string& host) {
  44   if (!io_thread_->BelongsToCurrentThread()) {
  45     io_thread_->PostTask(
  46         FROM_HERE,
  47         base::Bind(&BrowsingDataQuotaHelperImpl::RevokeHostQuota, this, host));
  48     return;
  49   }
  50
  51   quota_manager_->SetPersistentHostQuota(
  52       host, 0,
  53       base::Bind(&BrowsingDataQuotaHelperImpl::DidRevokeHostQuota,
  54                  weak_factory_.GetWeakPtr()));
  55 }
  56
  57 BrowsingDataQuotaHelperImpl::BrowsingDataQuotaHelperImpl(
  58     base::MessageLoopProxy* ui_thread,
  59     base::MessageLoopProxy* io_thread,
  60     quota::QuotaManager* quota_manager)
  61     : BrowsingDataQuotaHelper(io_thread),
  62       quota_manager_(quota_manager),
  63       is_fetching_(false),
  64       ui_thread_(ui_thread),
  65       io_thread_(io_thread),
  66       weak_factory_(this) {
  67   DCHECK(quota_manager);
  68 }
  69
  70 BrowsingDataQuotaHelperImpl::~BrowsingDataQuotaHelperImpl() {}
  71
  72 void BrowsingDataQuotaHelperImpl::FetchQuotaInfo() {
  73   if (!io_thread_->BelongsToCurrentThread()) {
  74     io_thread_->PostTask(
  75         FROM_HERE,
  76         base::Bind(&BrowsingDataQuotaHelperImpl::FetchQuotaInfo, this));
  77     return;
  78   }
  79
  80   quota_manager_->GetOriginsModifiedSince(
  81       quota::kStorageTypeTemporary,
  82       base::Time(),
  83       base::Bind(&BrowsingDataQuotaHelperImpl::GotOrigins,
  84                  weak_factory_.GetWeakPtr()));
  85 }
  86
  87 void BrowsingDataQuotaHelperImpl::GotOrigins(
  88     const std::set<GURL>& origins, quota::StorageType type) {
  89   for (std::set<GURL>::const_iterator itr = origins.begin();
  90        itr != origins.end();
  91        ++itr)
  92     if (BrowsingDataHelper::HasWebScheme(*itr))
  93       pending_hosts_.insert(std::make_pair(itr->host(), type));
  94
  95   DCHECK(type == quota::kStorageTypeTemporary ||
  96          type == quota::kStorageTypePersistent ||
  97          type == quota::kStorageTypeSyncable);
  98
  99   // Calling GetOriginsModifiedSince() for all types by chaining callbacks.
 100   if (type == quota::kStorageTypeTemporary) {
 101     quota_manager_->GetOriginsModifiedSince(
 102         quota::kStorageTypePersistent,
 103         base::Time(),
 104         base::Bind(&BrowsingDataQuotaHelperImpl::GotOrigins,
 105                    weak_factory_.GetWeakPtr()));
 106   } else if (type == quota::kStorageTypePersistent) {
 107     quota_manager_->GetOriginsModifiedSince(
 108         quota::kStorageTypeSyncable,
 109         base::Time(),
 110         base::Bind(&BrowsingDataQuotaHelperImpl::GotOrigins,
 111                    weak_factory_.GetWeakPtr()));
 112   } else {
 113     DCHECK(type == quota::kStorageTypeSyncable);
 114     ProcessPendingHosts();
 115   }
 116 }
 117
 118 void BrowsingDataQuotaHelperImpl::ProcessPendingHosts() {
 119   if (pending_hosts_.empty()) {
 120     OnComplete();
 121     return;
 122   }
 123
 124   PendingHosts::iterator itr = pending_hosts_.begin();
 125   std::string host = itr->first;
 126   quota::StorageType type = itr->second;
 127   pending_hosts_.erase(itr);
 128   GetHostUsage(host, type);
 129 }
 130
 131 void BrowsingDataQuotaHelperImpl::GetHostUsage(const std::string& host,
 132                                                quota::StorageType type) {
 133   DCHECK(quota_manager_.get());
 134   quota_manager_->GetHostUsage(
 135       host, type,
 136       base::Bind(&BrowsingDataQuotaHelperImpl::GotHostUsage,
 137                  weak_factory_.GetWeakPtr(), host, type));
 138 }
 139
 140 void BrowsingDataQuotaHelperImpl::GotHostUsage(const std::string& host,
 141                                                quota::StorageType type,
 142                                                int64 usage) {
 143   switch (type) {
 144     case quota::kStorageTypeTemporary:
 145       quota_info_[host].temporary_usage = usage;
 146       break;
 147     case quota::kStorageTypePersistent:
 148       quota_info_[host].persistent_usage = usage;
 149       break;
 150     case quota::kStorageTypeSyncable:
 151       quota_info_[host].syncable_usage = usage;
 152       break;
 153     default:
 154       NOTREACHED();
 155   }
 156   ProcessPendingHosts();
 157 }
 158
 159 void BrowsingDataQuotaHelperImpl::OnComplete() {
 160   if (!ui_thread_->BelongsToCurrentThread()) {
 161     ui_thread_->PostTask(
 162         FROM_HERE,
 163         base::Bind(&BrowsingDataQuotaHelperImpl::OnComplete, this));
 164     return;
 165   }
 166
 167   is_fetching_ = false;
 168
 169   QuotaInfoArray result;
 170
 171   for (std::map<std::string, QuotaInfo>::iterator itr = quota_info_.begin();
 172        itr != quota_info_.end();
 173        ++itr) {
 174     QuotaInfo* info = &itr->second;
 175     // Skip unused entries
 176     if (info->temporary_usage <= 0 &&
 177         info->persistent_usage <= 0 &&
 178         info->syncable_usage <= 0)
 179       continue;
 180
 181     info->host = itr->first;
 182     result.push_back(*info);
 183   }
 184
 185   callback_.Run(result);
 186   callback_.Reset();
 187 }
 188
 189 void BrowsingDataQuotaHelperImpl::DidRevokeHostQuota(
 190     quota::QuotaStatusCode status_unused,
 191     int64 quota_unused) {
 192 }