content/browser/indexed_db/indexed_db_quota_client.h

   1 // Copyright (c) 2011 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 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_QUOTA_CLIENT_H_
   6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_QUOTA_CLIENT_H_
   7
   8 #include <set>
   9 #include <string>
  10
  11 #include "base/memory/ref_counted.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "base/message_loop/message_loop_proxy.h"
  14 #include "content/common/content_export.h"
  15 #include "webkit/browser/quota/quota_client.h"
  16 #include "webkit/browser/quota/quota_task.h"
  17 #include "webkit/common/quota/quota_types.h"
  18
  19 namespace content {
  20 class IndexedDBContextImpl;
  21
  22 // A QuotaClient implementation to integrate IndexedDB
  23 // with the quota  management system. This interface is used
  24 // on the IO thread by the quota manager.
  25 class IndexedDBQuotaClient : public quota::QuotaClient,
  26                              public quota::QuotaTaskObserver {
  27  public:
  28   CONTENT_EXPORT explicit IndexedDBQuotaClient(
  29       IndexedDBContextImpl* indexed_db_context);
  30   CONTENT_EXPORT virtual ~IndexedDBQuotaClient();
  31
  32   // QuotaClient method overrides
  33   virtual ID id() const OVERRIDE;
  34   virtual void OnQuotaManagerDestroyed() OVERRIDE;
  35   CONTENT_EXPORT virtual void GetOriginUsage(const GURL& origin_url,
  36                                              quota::StorageType type,
  37                                              const GetUsageCallback& callback)
  38       OVERRIDE;
  39   virtual void GetOriginsForType(quota::StorageType type,
  40                                  const GetOriginsCallback& callback) OVERRIDE;
  41   virtual void GetOriginsForHost(quota::StorageType type,
  42                                  const std::string& host,
  43                                  const GetOriginsCallback& callback) OVERRIDE;
  44   CONTENT_EXPORT virtual void DeleteOriginData(const GURL& origin,
  45                                                quota::StorageType type,
  46                                                const DeletionCallback& callback)
  47       OVERRIDE;
  48   virtual bool DoesSupport(quota::StorageType type) const OVERRIDE;
  49
  50  private:
  51   scoped_refptr<IndexedDBContextImpl> indexed_db_context_;
  52
  53   DISALLOW_COPY_AND_ASSIGN(IndexedDBQuotaClient);
  54 };
  55
  56 }  // namespace content
  57
  58 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_QUOTA_CLIENT_H_