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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_STORES_H_ | |
6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_STORES_H_ | |
7 | |
8 #include <map> | |
9 #include <string> | |
10 | |
11 #include "base/callback.h" | |
12 #include "base/files/file_path.h" | |
13 #include "base/id_map.h" | |
14 #include "base/threading/thread_checker.h" | |
15 | |
16 namespace base { | |
17 class MessageLoopProxy; | |
18 } | |
19 | |
20 namespace content { | |
21 | |
22 class ServiceWorkerFetchStore; | |
23 | |
24 // TODO(jkarlin): Constrain the total bytes used per origin. | |
25 // The set of stores for a given origin. It is owned by the | |
26 // ServiceWorkerFetchStoresManager. Provided callbacks are called on the | |
27 // |callback_loop| provided in the constructor. | |
28 class ServiceWorkerFetchStores { | |
29 public: | |
30 enum FetchStoresError { | |
31 FETCH_STORES_ERROR_NO_ERROR, | |
32 FETCH_STORES_ERROR_NOT_IMPLEMENTED, | |
33 FETCH_STORES_ERROR_NOT_FOUND, | |
34 FETCH_STORES_ERROR_EXISTS, | |
35 FETCH_STORES_ERROR_STORAGE, | |
36 FETCH_STORES_ERROR_EMPTY_KEY, | |
37 }; | |
38 | |
39 typedef base::Callback<void(bool, FetchStoresError)> BoolAndErrorCallback; | |
40 typedef base::Callback<void(int, FetchStoresError)> StoreAndErrorCallback; | |
41 typedef base::Callback<void(const std::vector<std::string>&, | |
42 FetchStoresError)> StringsAndErrorCallback; | |
43 | |
44 ServiceWorkerFetchStores( | |
45 const base::FilePath& origin_path, | |
46 bool memory_only, | |
47 const scoped_refptr<base::MessageLoopProxy>& callback_loop); | |
48 | |
49 virtual ~ServiceWorkerFetchStores(); | |
50 | |
51 // Create a ServiceWorkerFetchStore if it doesn't already exist and call the | |
52 // callback with the cache's id. If it already | |
53 // exists the callback is called with FETCH_STORES_ERROR_EXISTS. | |
54 void CreateStore(const std::string& store_name, | |
55 const StoreAndErrorCallback& callback); | |
56 | |
57 // Get the cache id for the given key. If not found returns | |
58 // FETCH_STORES_ERROR_NOT_FOUND. | |
59 void GetStore(const std::string& store_name, | |
60 const StoreAndErrorCallback& callback); | |
61 | |
62 // Calls the callback with whether or not the cache exists. | |
63 void HasStore(const std::string& store_name, | |
64 const BoolAndErrorCallback& callback); | |
65 | |
66 // Deletes the cache if it exists. If it doesn't exist, | |
67 // FETCH_STORES_ERROR_NOT_FOUND is returned. | |
68 void DeleteStore(const std::string& store_name, | |
69 const BoolAndErrorCallback& callback); | |
70 | |
71 // Calls the callback with a vector of cache names (keys) available. | |
72 void EnumerateStores(const StringsAndErrorCallback& callback); | |
73 | |
74 // TODO(jkarlin): Add match() function. | |
75 | |
76 void InitializeStoreCallback(const ServiceWorkerFetchStore* store, | |
77 const StoreAndErrorCallback& callback, | |
78 bool success); | |
79 | |
80 private: | |
81 class MemoryLoader; | |
82 class SimpleCacheLoader; | |
83 class StoresLoader; | |
84 | |
85 typedef IDMap<ServiceWorkerFetchStore, IDMapOwnPointer> StoreMap; | |
86 typedef StoreMap::KeyType StoreID; | |
87 typedef std::map<std::string, StoreID> NameMap; | |
88 | |
89 ServiceWorkerFetchStore* GetLoadedStore(const std::string& key) const; | |
90 | |
91 void LazyInit(); | |
92 void InitStore(ServiceWorkerFetchStore* store); | |
93 | |
94 bool initialized_; | |
95 StoreMap store_map_; | |
96 NameMap name_map_; | |
97 base::FilePath origin_path_; | |
98 scoped_refptr<base::MessageLoopProxy> callback_loop_; | |
99 scoped_ptr<StoresLoader> stores_loader_; | |
100 | |
101 DISALLOW_COPY_AND_ASSIGN(ServiceWorkerFetchStores); | |
102 }; | |
103 | |
104 } // namespace content | |
105 | |
106 #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_FETCH_STORES_H_ | |
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