| // Copyright (c) 2011 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_APPCACHE_APPCACHE_BACKEND_IMPL_H_ |
| #define CONTENT_BROWSER_APPCACHE_APPCACHE_BACKEND_IMPL_H_ |
| |
| #include "base/containers/hash_tables.h" |
| #include "content/browser/appcache/appcache_host.h" |
| #include "content/common/content_export.h" |
| |
| namespace content { |
| |
| class AppCacheServiceImpl; |
| |
| class CONTENT_EXPORT AppCacheBackendImpl { |
| public: |
| AppCacheBackendImpl(); |
| ~AppCacheBackendImpl(); |
| |
| void Initialize(AppCacheServiceImpl* service, |
| AppCacheFrontend* frontend, |
| int process_id); |
| |
| int process_id() const { return process_id_; } |
| |
| // Methods to support the AppCacheBackend interface. A false return |
| // value indicates an invalid host_id and that no action was taken |
| // by the backend impl. |
| bool RegisterHost(int host_id); |
| bool UnregisterHost(int host_id); |
| bool SetSpawningHostId(int host_id, int spawning_host_id); |
| bool SelectCache(int host_id, |
| const GURL& document_url, |
| const int64 cache_document_was_loaded_from, |
| const GURL& manifest_url); |
| void GetResourceList( |
| int host_id, std::vector<AppCacheResourceInfo>* resource_infos); |
| bool SelectCacheForWorker(int host_id, int parent_process_id, |
| int parent_host_id); |
| bool SelectCacheForSharedWorker(int host_id, int64 appcache_id); |
| bool MarkAsForeignEntry(int host_id, const GURL& document_url, |
| int64 cache_document_was_loaded_from); |
| bool GetStatusWithCallback(int host_id, const GetStatusCallback& callback, |
| void* callback_param); |
| bool StartUpdateWithCallback(int host_id, const StartUpdateCallback& callback, |
| void* callback_param); |
| bool SwapCacheWithCallback(int host_id, const SwapCacheCallback& callback, |
| void* callback_param); |
| |
| // Returns a pointer to a registered host. The backend retains ownership. |
| AppCacheHost* GetHost(int host_id) { |
| HostMap::iterator it = hosts_.find(host_id); |
| return (it != hosts_.end()) ? (it->second) : NULL; |
| } |
| |
| typedef base::hash_map<int, AppCacheHost*> HostMap; |
| const HostMap& hosts() { return hosts_; } |
| |
| // Methods to support cross site navigations. Hosts are transferred |
| // from process to process accordingly, deparented from the old |
| // processes backend and reparented to the new. |
| scoped_ptr<AppCacheHost> TransferHostOut(int host_id); |
| void TransferHostIn(int new_host_id, scoped_ptr<AppCacheHost> host); |
| |
| private: |
| AppCacheServiceImpl* service_; |
| AppCacheFrontend* frontend_; |
| int process_id_; |
| HostMap hosts_; |
| }; |
| |
| } // namespace |
| |
| #endif // CONTENT_BROWSER_APPCACHE_APPCACHE_BACKEND_IMPL_H_ |