ios/web/browsing_data_partition_impl.h

   1 // Copyright 2015 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 IOS_WEB_BROWSING_DATA_PARTITION_IMPL_H_
   6 #define IOS_WEB_BROWSING_DATA_PARTITION_IMPL_H_
   7
   8 #import "base/mac/scoped_nsobject.h"
   9 #include "base/macros.h"
  10 #include "base/supports_user_data.h"
  11 #include "ios/web/active_state_manager_impl.h"
  12 #include "ios/web/public/browsing_data_partition.h"
  13
  14 @class CRWBrowsingDataStore;
  15
  16 namespace web {
  17
  18 class ActiveStateManagerImpl;
  19 class BrowserState;
  20
  21 // Concrete subclass of web::BrowsingDataPartition. Observes
  22 // ActiveStateManagerImpl::Observer methods to trigger stash/restore operations
  23 // on the underlying CRWBrowsingDataStore.
  24 class BrowsingDataPartitionImpl : public BrowsingDataPartition,
  25                                   public base::SupportsUserData::Data,
  26                                   public web::ActiveStateManagerImpl::Observer {
  27  public:
  28   explicit BrowsingDataPartitionImpl(BrowserState* browser_state);
  29   ~BrowsingDataPartitionImpl() override;
  30
  31   // BrowsingDataPartition implementation.
  32   CRWBrowsingDataStore* GetBrowsingDataStore() override;
  33
  34   // ActiveStateManagerImpl::Observer implementation.
  35   void OnActive() override;
  36   void OnInactive() override;
  37   void WillBeDestroyed() override;
  38
  39  private:
  40   BrowserState* browser_state_;  // weak, owns this object.
  41   // The browsing data store backing this object.
  42   base::scoped_nsobject<CRWBrowsingDataStore> browsing_data_store_;
  43   // Weak pointer to the associated active state manager.
  44   ActiveStateManagerImpl* active_state_manager_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(BrowsingDataPartitionImpl);
  47 };
  48
  49 }  // namespace web
  50
  51 #endif  // IOS_WEB_BROWSING_DATA_PARTITION_IMPL_H_