| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_BROWSING_DATA_STORAGE_PARTITION_HTTP_CACHE_DATA_REMOVER_H_ |
| #define CONTENT_BROWSER_BROWSING_DATA_STORAGE_PARTITION_HTTP_CACHE_DATA_REMOVER_H_ |
| |
| #include <stdint.h> |
| |
| #include "base/callback.h" |
| #include "base/macros.h" |
| #include "base/sequenced_task_runner_helpers.h" |
| #include "base/time/time.h" |
| #include "net/base/completion_callback.h" |
| #include "url/gurl.h" |
| |
| namespace disk_cache { |
| class Backend; |
| } |
| |
| namespace net { |
| class URLRequestContextGetter; |
| } |
| |
| namespace content { |
| |
| class StoragePartition; |
| |
| // Helper to remove http cache data from a StoragePartition. |
| class StoragePartitionHttpCacheDataRemover { |
| public: |
| // Creates a StoragePartitionHttpCacheDataRemover that deletes cache entries |
| // in the time range between |delete_begin| (inclusively) and |delete_end| |
| // (exclusively). |
| static StoragePartitionHttpCacheDataRemover* CreateForRange( |
| content::StoragePartition* storage_partition, |
| base::Time delete_begin, |
| base::Time delete_end); |
| |
| // Similar to CreateForRange(), but only deletes URLs that are matched by |
| // |url_predicate|. Note that the deletion with URL filtering is not built in |
| // to the cache interface and might be slower. |
| static StoragePartitionHttpCacheDataRemover* CreateForURLsAndRange( |
| content::StoragePartition* storage_partition, |
| const base::Callback<bool(const GURL&)>& url_predicate, |
| base::Time delete_begin, |
| base::Time delete_end); |
| |
| // Calls |done_callback| upon completion and also destroys itself. |
| void Remove(base::OnceClosure done_callback); |
| |
| private: |
| enum CacheState { |
| NONE, |
| CREATE_MAIN, |
| CREATE_MEDIA, |
| DELETE_MAIN, |
| DELETE_MEDIA, |
| DONE |
| }; |
| |
| StoragePartitionHttpCacheDataRemover( |
| base::Callback<bool(const GURL&)> url_predicate, |
| base::Time delete_begin, |
| base::Time delete_end, |
| net::URLRequestContextGetter* main_context_getter, |
| net::URLRequestContextGetter* media_context_getter); |
| |
| // StoragePartitionHttpCacheDataRemover deletes itself (using DeleteHelper) |
| // and is not supposed to be deleted by other objects so make destructor |
| // private and DeleteHelper a friend. |
| friend class base::DeleteHelper<StoragePartitionHttpCacheDataRemover>; |
| |
| ~StoragePartitionHttpCacheDataRemover(); |
| |
| void ClearHttpCacheOnIOThread(); |
| void ClearedHttpCache(); |
| // Performs the actual work to delete or count the cache. |
| void DoClearCache(int rv); |
| |
| base::Callback<bool(const GURL&)> url_predicate_; |
| const base::Time delete_begin_; |
| const base::Time delete_end_; |
| |
| const scoped_refptr<net::URLRequestContextGetter> main_context_getter_; |
| const scoped_refptr<net::URLRequestContextGetter> media_context_getter_; |
| |
| base::OnceClosure done_callback_; |
| |
| // IO. |
| int next_cache_state_; |
| disk_cache::Backend* cache_; |
| |
| DISALLOW_COPY_AND_ASSIGN(StoragePartitionHttpCacheDataRemover); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_BROWSING_DATA_STORAGE_PARTITION_HTTP_CACHE_DATA_REMOVER_H_ |