content/browser/indexed_db/indexed_db_quota_client.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 "content/browser/indexed_db/indexed_db_quota_client.h"
   6
   7 #include <vector>
   8
   9 #include "base/logging.h"
  10 #include "content/browser/indexed_db/indexed_db_context_impl.h"
  11 #include "content/public/browser/browser_thread.h"
  12 #include "net/base/net_util.h"
  13 #include "webkit/browser/database/database_util.h"
  14
  15 using quota::QuotaClient;
  16 using webkit_database::DatabaseUtil;
  17
  18 namespace content {
  19 namespace {
  20
  21 quota::QuotaStatusCode DeleteOriginDataOnIndexedDBThread(
  22     IndexedDBContextImpl* context,
  23     const GURL& origin) {
  24   context->DeleteForOrigin(origin);
  25   return quota::kQuotaStatusOk;
  26 }
  27
  28 int64 GetOriginUsageOnIndexedDBThread(IndexedDBContextImpl* context,
  29                                       const GURL& origin) {
  30   DCHECK(context->TaskRunner()->RunsTasksOnCurrentThread());
  31   return context->GetOriginDiskUsage(origin);
  32 }
  33
  34 void GetAllOriginsOnIndexedDBThread(IndexedDBContextImpl* context,
  35                                     std::set<GURL>* origins_to_return) {
  36   DCHECK(context->TaskRunner()->RunsTasksOnCurrentThread());
  37   std::vector<GURL> all_origins = context->GetAllOrigins();
  38   origins_to_return->insert(all_origins.begin(), all_origins.end());
  39 }
  40
  41 void DidGetOrigins(const IndexedDBQuotaClient::GetOriginsCallback& callback,
  42                    const std::set<GURL>* origins) {
  43   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  44   callback.Run(*origins);
  45 }
  46
  47 void GetOriginsForHostOnIndexedDBThread(IndexedDBContextImpl* context,
  48                                         const std::string& host,
  49                                         std::set<GURL>* origins_to_return) {
  50   DCHECK(context->TaskRunner()->RunsTasksOnCurrentThread());
  51   std::vector<GURL> all_origins = context->GetAllOrigins();
  52   for (std::vector<GURL>::const_iterator iter = all_origins.begin();
  53        iter != all_origins.end();
  54        ++iter) {
  55     if (host == net::GetHostOrSpecFromURL(*iter))
  56       origins_to_return->insert(*iter);
  57   }
  58 }
  59
  60 }  // namespace
  61
  62 // IndexedDBQuotaClient --------------------------------------------------------
  63
  64 IndexedDBQuotaClient::IndexedDBQuotaClient(
  65     IndexedDBContextImpl* indexed_db_context)
  66     : indexed_db_context_(indexed_db_context) {}
  67
  68 IndexedDBQuotaClient::~IndexedDBQuotaClient() {}
  69
  70 QuotaClient::ID IndexedDBQuotaClient::id() const { return kIndexedDatabase; }
  71
  72 void IndexedDBQuotaClient::OnQuotaManagerDestroyed() { delete this; }
  73
  74 void IndexedDBQuotaClient::GetOriginUsage(const GURL& origin_url,
  75                                           quota::StorageType type,
  76                                           const GetUsageCallback& callback) {
  77   DCHECK(!callback.is_null());
  78   DCHECK(indexed_db_context_);
  79
  80   // IndexedDB is in the temp namespace for now.
  81   if (type != quota::kStorageTypeTemporary) {
  82     callback.Run(0);
  83     return;
  84   }
  85
  86   // No task runner means unit test; no cleanup necessary.
  87   if (!indexed_db_context_->TaskRunner()) {
  88     callback.Run(0);
  89     return;
  90   }
  91
  92   base::PostTaskAndReplyWithResult(
  93       indexed_db_context_->TaskRunner(),
  94       FROM_HERE,
  95       base::Bind(
  96           &GetOriginUsageOnIndexedDBThread, indexed_db_context_, origin_url),
  97       callback);
  98 }
  99
 100 void IndexedDBQuotaClient::GetOriginsForType(
 101     quota::StorageType type,
 102     const GetOriginsCallback& callback) {
 103   DCHECK(!callback.is_null());
 104   DCHECK(indexed_db_context_);
 105
 106   // All databases are in the temp namespace for now.
 107   if (type != quota::kStorageTypeTemporary) {
 108     callback.Run(std::set<GURL>());
 109     return;
 110   }
 111
 112   // No task runner means unit test; no cleanup necessary.
 113   if (!indexed_db_context_->TaskRunner()) {
 114     callback.Run(std::set<GURL>());
 115     return;
 116   }
 117
 118   std::set<GURL>* origins_to_return = new std::set<GURL>();
 119   indexed_db_context_->TaskRunner()->PostTaskAndReply(
 120       FROM_HERE,
 121       base::Bind(&GetAllOriginsOnIndexedDBThread,
 122                  indexed_db_context_,
 123                  base::Unretained(origins_to_return)),
 124       base::Bind(&DidGetOrigins, callback, base::Owned(origins_to_return)));
 125 }
 126
 127 void IndexedDBQuotaClient::GetOriginsForHost(
 128     quota::StorageType type,
 129     const std::string& host,
 130     const GetOriginsCallback& callback) {
 131   DCHECK(!callback.is_null());
 132   DCHECK(indexed_db_context_);
 133
 134   // All databases are in the temp namespace for now.
 135   if (type != quota::kStorageTypeTemporary) {
 136     callback.Run(std::set<GURL>());
 137     return;
 138   }
 139
 140   // No task runner means unit test; no cleanup necessary.
 141   if (!indexed_db_context_->TaskRunner()) {
 142     callback.Run(std::set<GURL>());
 143     return;
 144   }
 145
 146   std::set<GURL>* origins_to_return = new std::set<GURL>();
 147   indexed_db_context_->TaskRunner()->PostTaskAndReply(
 148       FROM_HERE,
 149       base::Bind(&GetOriginsForHostOnIndexedDBThread,
 150                  indexed_db_context_,
 151                  host,
 152                  base::Unretained(origins_to_return)),
 153       base::Bind(&DidGetOrigins, callback, base::Owned(origins_to_return)));
 154 }
 155
 156 void IndexedDBQuotaClient::DeleteOriginData(const GURL& origin,
 157                                             quota::StorageType type,
 158                                             const DeletionCallback& callback) {
 159   if (type != quota::kStorageTypeTemporary) {
 160     callback.Run(quota::kQuotaErrorNotSupported);
 161     return;
 162   }
 163
 164   // No task runner means unit test; no cleanup necessary.
 165   if (!indexed_db_context_->TaskRunner()) {
 166     callback.Run(quota::kQuotaStatusOk);
 167     return;
 168   }
 169
 170   base::PostTaskAndReplyWithResult(
 171       indexed_db_context_->TaskRunner(),
 172       FROM_HERE,
 173       base::Bind(
 174           &DeleteOriginDataOnIndexedDBThread, indexed_db_context_, origin),
 175       callback);
 176 }
 177
 178 bool IndexedDBQuotaClient::DoesSupport(quota::StorageType type) const {
 179   return type == quota::kStorageTypeTemporary;
 180 }
 181
 182 }  // namespace content