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// Copyright (c) 2009 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 WEBKIT_APPCACHE_APPCACHE_SERVICE_H_
#define WEBKIT_APPCACHE_APPCACHE_SERVICE_H_
#include <map>
#include <set>
#include <vector>
#include "base/hash_tables.h"
#include "base/file_path.h"
#include "googleurl/src/gurl.h"
namespace appcache {
class AppCache;
class AppCacheBackendImpl;
class AppCacheGroup;
// Class that manages the application cache service. Sends notifications
// to many frontends. One instance per user-profile.
class AppCacheService {
public:
virtual ~AppCacheService();
void Initialize(const FilePath& cache_directory);
// TODO(jennb): API to set service settings, like file paths for storage
// track which processes are using this appcache service
void RegisterBackend(AppCacheBackendImpl* backend_impl);
void UnregisterBackend(AppCacheBackendImpl* backend_impl);
void AddCache(AppCache* cache);
void RemoveCache(AppCache* cache);
void AddGroup(AppCacheGroup* group);
void RemoveGroup(AppCacheGroup* group);
AppCacheBackendImpl* GetBackend(int id) {
BackendMap::iterator it = backends_.find(id);
return (it != backends_.end()) ? it->second : NULL;
}
AppCache* GetCache(int64 id) {
CacheMap::iterator it = caches_.find(id);
return (it != caches_.end()) ? it->second : NULL;
}
AppCacheGroup* GetGroup(const GURL& manifest_url) {
GroupMap::iterator it = groups_.find(manifest_url);
return (it != groups_.end()) ? it->second : NULL;
}
private:
// In-memory representation of stored appcache data. Represents a subset
// of the appcache database currently in use.
typedef base::hash_map<int64, AppCache*> CacheMap;
typedef std::map<GURL, AppCacheGroup*> GroupMap;
CacheMap caches_;
GroupMap groups_;
// Track current processes. One 'backend' per child process.
typedef std::map<int, AppCacheBackendImpl*> BackendMap;
BackendMap backends_;
FilePath cache_directory_;
// TODO(jennb): info about appcache storage
// AppCacheDatabase db_;
// DiskCache response_storage_;
// TODO(jennb): service settings: e.g. max size of app cache?
// TODO(jennb): service state: e.g. reached quota?
};
} // namespace appcache
#endif // WEBKIT_APPCACHE_APPCACHE_SERVICE_H_
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