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// 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_CACHE_STORAGE_CACHE_STORAGE_CONTEXT_IMPL_H_
#define CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_CONTEXT_IMPL_H_
#include <memory>
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "content/common/content_export.h"
#include "content/public/browser/cache_storage_context.h"
#include "content/public/browser/cache_storage_usage_info.h"
namespace base {
class FilePath;
class SequencedTaskRunner;
}
namespace net {
class URLRequestContextGetter;
}
namespace storage {
class QuotaManagerProxy;
}
namespace url {
class Origin;
}
namespace content {
class BrowserContext;
class ChromeBlobStorageContext;
class CacheStorageManager;
// One instance of this exists per StoragePartition, and services multiple
// child processes/origins. Most logic is delegated to the owned
// CacheStorageManager instance, which is only accessed on the IO
// thread.
class CONTENT_EXPORT CacheStorageContextImpl : public CacheStorageContext {
public:
explicit CacheStorageContextImpl(BrowserContext* browser_context);
class Observer {
public:
virtual void OnCacheListChanged(const url::Origin& origin) = 0;
virtual void OnCacheContentChanged(const url::Origin& origin,
const std::string& cache_name) = 0;
protected:
virtual ~Observer() {};
};
// Init and Shutdown are for use on the UI thread when the profile,
// storagepartition is being setup and torn down.
void Init(const base::FilePath& user_data_directory,
scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy);
void Shutdown();
// Only callable on the IO thread.
CacheStorageManager* cache_manager() const;
bool is_incognito() const { return is_incognito_; }
// The URLRequestContext doesn't exist until after the StoragePartition is
// made (which is after this object is made). This function must be called
// after this object is created but before any CacheStorageCache operations.
// It must be called on the IO thread. If either parameter is NULL the
// function immediately returns without forwarding to the
// CacheStorageManager.
void SetBlobParametersForCache(
net::URLRequestContextGetter* request_context_getter,
ChromeBlobStorageContext* blob_storage_context);
// CacheStorageContext
void GetAllOriginsInfo(const GetUsageInfoCallback& callback) override;
void DeleteForOrigin(const GURL& origin) override;
// Only callable on the IO thread.
void AddObserver(CacheStorageContextImpl::Observer* observer);
void RemoveObserver(CacheStorageContextImpl::Observer* observer);
protected:
~CacheStorageContextImpl() override;
private:
void CreateCacheStorageManager(
const base::FilePath& user_data_directory,
scoped_refptr<base::SequencedTaskRunner> cache_task_runner,
scoped_refptr<storage::QuotaManagerProxy> quota_manager_proxy);
void ShutdownOnIO();
// Initialized in Init(); true if the user data directory is empty.
bool is_incognito_ = false;
// Only accessed on the IO thread.
std::unique_ptr<CacheStorageManager> cache_manager_;
};
} // namespace content
#endif // CONTENT_BROWSER_CACHE_STORAGE_CACHE_STORAGE_CONTEXT_IMPL_H_
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