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// Copyright 2018 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_CODE_CACHE_DATA_REMOVER_H_
#define CONTENT_BROWSER_BROWSING_DATA_STORAGE_PARTITION_CODE_CACHE_DATA_REMOVER_H_
#include <stdint.h>
#include "base/callback.h"
#include "base/macros.h"
#include "base/sequenced_task_runner_helpers.h"
#include "net/base/completion_once_callback.h"
#include "url/gurl.h"
namespace disk_cache {
class Backend;
}
namespace content {
class StoragePartition;
class GeneratedCodeCacheContext;
// Helper to remove code cache data from a StoragePartition. This class is
// created on and acts on the UI thread.
class StoragePartitionCodeCacheDataRemover {
public:
// Creates a StoragePartitionCodeCacheDataRemover that deletes all cache
// entries.
static StoragePartitionCodeCacheDataRemover* Create(
content::StoragePartition* storage_partition,
base::RepeatingCallback<bool(const GURL&)> url_predicate,
base::Time begin_time,
base::Time end_time);
// Calls |done_callback| on UI thread upon completion and also destroys
// itself on UI thread.
// This expects that either storage_partition with which this object was
// created is live till the end of operation or GeneratedCodeCacheContext
// is destroyed when the storage_partition is destroyed. This ensures the
// code cache and hence the backend is destroyed. If this is not guaranteed
// there could be a callback accessing the destroyed objects.
void Remove(base::OnceClosure done_callback);
private:
// StoragePartitionCodeCacheDataRemover 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<StoragePartitionCodeCacheDataRemover>;
explicit StoragePartitionCodeCacheDataRemover(
GeneratedCodeCacheContext* generated_code_cache_context,
base::RepeatingCallback<bool(const GURL&)> url_predicate,
base::Time begin_time,
base::Time end_time);
~StoragePartitionCodeCacheDataRemover();
void ClearJSCodeCache();
void ClearWASMCodeCache(int rv);
void ClearCache(net::CompletionOnceCallback callback,
disk_cache::Backend* backend);
void DoneClearCodeCache(int rv);
const scoped_refptr<GeneratedCodeCacheContext> generated_code_cache_context_;
base::OnceClosure done_callback_;
base::Time begin_time_;
base::Time end_time_;
base::RepeatingCallback<bool(const GURL&)> url_predicate_;
DISALLOW_COPY_AND_ASSIGN(StoragePartitionCodeCacheDataRemover);
};
} // namespace content
#endif // CONTENT_BROWSER_BROWSING_DATA_STORAGE_PARTITION_CODE_CACHE_DATA_REMOVER_H_
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