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// Copyright 2014 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_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_
#define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_
#include <stddef.h>
#include <stdint.h>
#include <map>
#include <vector>
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/service_worker/service_worker_database.h"
#include "content/common/content_export.h"
#include "net/base/completion_callback.h"
#include "net/url_request/url_request_status.h"
class GURL;
namespace content {
class ServiceWorkerContextCore;
class ServiceWorkerVersion;
class ServiceWorkerResponseMetadataWriter;
// Class that maintains the mapping between urls and a resource id
// for a particular version's implicit script resources.
class CONTENT_EXPORT ServiceWorkerScriptCacheMap {
public:
int64_t LookupResourceId(const GURL& url);
// Used during the initial run of a new version to build the map
// of resources ids.
void NotifyStartedCaching(const GURL& url, int64_t resource_id);
void NotifyFinishedCaching(const GURL& url,
int64_t size_bytes,
const net::URLRequestStatus& status,
const std::string& status_message);
// Used to retrieve the results of the initial run of a new version.
void GetResources(
std::vector<ServiceWorkerDatabase::ResourceRecord>* resources);
// Used when loading an existing version.
void SetResources(
const std::vector<ServiceWorkerDatabase::ResourceRecord>& resources);
// Writes the metadata of the existing script.
void WriteMetadata(const GURL& url,
const std::vector<char>& data,
const net::CompletionCallback& callback);
// Clears the metadata of the existing script.
void ClearMetadata(const GURL& url, const net::CompletionCallback& callback);
size_t size() const { return resource_map_.size(); }
const net::URLRequestStatus& main_script_status() const {
return main_script_status_;
}
const std::string& main_script_status_message() const {
return main_script_status_message_;
}
private:
typedef std::map<GURL, ServiceWorkerDatabase::ResourceRecord> ResourceMap;
// The version objects owns its script cache and provides a rawptr to it.
friend class ServiceWorkerVersion;
ServiceWorkerScriptCacheMap(
ServiceWorkerVersion* owner,
base::WeakPtr<ServiceWorkerContextCore> context);
~ServiceWorkerScriptCacheMap();
void OnMetadataWritten(scoped_ptr<ServiceWorkerResponseMetadataWriter> writer,
const net::CompletionCallback& callback,
int result);
ServiceWorkerVersion* owner_;
base::WeakPtr<ServiceWorkerContextCore> context_;
ResourceMap resource_map_;
net::URLRequestStatus main_script_status_;
std::string main_script_status_message_;
base::WeakPtrFactory<ServiceWorkerScriptCacheMap> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ServiceWorkerScriptCacheMap);
};
} // namespace content
#endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_SCRIPT_CACHE_MAP_H_
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