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Side by Side Diff: content/browser/service_worker/service_worker_fetch_stores.h

Issue 444333006: Rename ServiceWorkerFetchStore/FetchStores/FetchStoresManager (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@fetch_stores3
Patch Set: Rebase Created 6 years, 4 months ago
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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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