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 "storage/browser/database/database_util.h"
  14
  15 using storage::QuotaClient;
  16 using storage::DatabaseUtil;
  17
  18 namespace content {
  19 namespace {
  20
  21 storage::QuotaStatusCode DeleteOriginDataOnIndexedDBThread(
  22     IndexedDBContextImpl* context,
  23     const GURL& origin) {
  24   context->DeleteForOrigin(origin);
  25   return storage::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 (const auto& origin_url : all_origins) {
  53     if (host == net::GetHostOrSpecFromURL(origin_url))
  54       origins_to_return->insert(origin_url);
  55   }
  56 }
  57
  58 }  // namespace
  59
  60 // IndexedDBQuotaClient --------------------------------------------------------
  61
  62 IndexedDBQuotaClient::IndexedDBQuotaClient(
  63     IndexedDBContextImpl* indexed_db_context)
  64     : indexed_db_context_(indexed_db_context) {}
  65
  66 IndexedDBQuotaClient::~IndexedDBQuotaClient() {}
  67
  68 QuotaClient::ID IndexedDBQuotaClient::id() const { return kIndexedDatabase; }
  69
  70 void IndexedDBQuotaClient::OnQuotaManagerDestroyed() { delete this; }
  71
  72 void IndexedDBQuotaClient::GetOriginUsage(const GURL& origin_url,
  73                                           storage::StorageType type,
  74                                           const GetUsageCallback& callback) {
  75   DCHECK(!callback.is_null());
  76   DCHECK(indexed_db_context_.get());
  77
  78   // IndexedDB is in the temp namespace for now.
  79   if (type != storage::kStorageTypeTemporary) {
  80     callback.Run(0);
  81     return;
  82   }
  83
  84   // No task runner means unit test; no cleanup necessary.
  85   if (!indexed_db_context_->TaskRunner()) {
  86     callback.Run(0);
  87     return;
  88   }
  89
  90   base::PostTaskAndReplyWithResult(
  91       indexed_db_context_->TaskRunner(),
  92       FROM_HERE,
  93       base::Bind(
  94           &GetOriginUsageOnIndexedDBThread, indexed_db_context_, origin_url),
  95       callback);
  96 }
  97
  98 void IndexedDBQuotaClient::GetOriginsForType(
  99     storage::StorageType type,
 100     const GetOriginsCallback& callback) {
 101   DCHECK(!callback.is_null());
 102   DCHECK(indexed_db_context_.get());
 103
 104   // All databases are in the temp namespace for now.
 105   if (type != storage::kStorageTypeTemporary) {
 106     callback.Run(std::set<GURL>());
 107     return;
 108   }
 109
 110   // No task runner means unit test; no cleanup necessary.
 111   if (!indexed_db_context_->TaskRunner()) {
 112     callback.Run(std::set<GURL>());
 113     return;
 114   }
 115
 116   std::set<GURL>* origins_to_return = new std::set<GURL>();
 117   indexed_db_context_->TaskRunner()->PostTaskAndReply(
 118       FROM_HERE,
 119       base::Bind(&GetAllOriginsOnIndexedDBThread,
 120                  indexed_db_context_,
 121                  base::Unretained(origins_to_return)),
 122       base::Bind(&DidGetOrigins, callback, base::Owned(origins_to_return)));
 123 }
 124
 125 void IndexedDBQuotaClient::GetOriginsForHost(
 126     storage::StorageType type,
 127     const std::string& host,
 128     const GetOriginsCallback& callback) {
 129   DCHECK(!callback.is_null());
 130   DCHECK(indexed_db_context_.get());
 131
 132   // All databases are in the temp namespace for now.
 133   if (type != storage::kStorageTypeTemporary) {
 134     callback.Run(std::set<GURL>());
 135     return;
 136   }
 137
 138   // No task runner means unit test; no cleanup necessary.
 139   if (!indexed_db_context_->TaskRunner()) {
 140     callback.Run(std::set<GURL>());
 141     return;
 142   }
 143
 144   std::set<GURL>* origins_to_return = new std::set<GURL>();
 145   indexed_db_context_->TaskRunner()->PostTaskAndReply(
 146       FROM_HERE,
 147       base::Bind(&GetOriginsForHostOnIndexedDBThread,
 148                  indexed_db_context_,
 149                  host,
 150                  base::Unretained(origins_to_return)),
 151       base::Bind(&DidGetOrigins, callback, base::Owned(origins_to_return)));
 152 }
 153
 154 void IndexedDBQuotaClient::DeleteOriginData(const GURL& origin,
 155                                             storage::StorageType type,
 156                                             const DeletionCallback& callback) {
 157   if (type != storage::kStorageTypeTemporary) {
 158     callback.Run(storage::kQuotaErrorNotSupported);
 159     return;
 160   }
 161
 162   // No task runner means unit test; no cleanup necessary.
 163   if (!indexed_db_context_->TaskRunner()) {
 164     callback.Run(storage::kQuotaStatusOk);
 165     return;
 166   }
 167
 168   base::PostTaskAndReplyWithResult(
 169       indexed_db_context_->TaskRunner(),
 170       FROM_HERE,
 171       base::Bind(
 172           &DeleteOriginDataOnIndexedDBThread, indexed_db_context_, origin),
 173       callback);
 174 }
 175
 176 bool IndexedDBQuotaClient::DoesSupport(storage::StorageType type) const {
 177   return type == storage::kStorageTypeTemporary;
 178 }
 179
 180 }  // namespace content