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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_STORAGE_H_ | 5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_STORAGE_H_ |
6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_STORAGE_H_ | 6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_STORAGE_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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92 | 92 |
93 private: | 93 private: |
94 class MemoryLoader; | 94 class MemoryLoader; |
95 class SimpleCacheLoader; | 95 class SimpleCacheLoader; |
96 class CacheLoader; | 96 class CacheLoader; |
97 struct CacheContext; | 97 struct CacheContext; |
98 | 98 |
99 typedef std::map<CacheID, CacheContext*> CacheMap; | 99 typedef std::map<CacheID, CacheContext*> CacheMap; |
100 typedef std::map<std::string, CacheID> NameMap; | 100 typedef std::map<std::string, CacheID> NameMap; |
101 | 101 |
| 102 // Scans the filesystem for stored caches and creates a CacheContext (without |
| 103 // instantiating a backend) for each. |
| 104 void LazyInit(const base::Closure& closure); |
| 105 |
102 CacheContext* GetLoadedCache(const std::string& cache_name) const; | 106 CacheContext* GetLoadedCache(const std::string& cache_name) const; |
| 107 CacheContext* AddCacheToMaps(const std::string& cache_name, |
| 108 scoped_ptr<ServiceWorkerCache> cache); |
103 | 109 |
104 // Initializer and its callback are below. | 110 // The initialization callbacks are below. |
105 void LazyInit(const base::Closure& closure); | |
106 static void LazyInitDidLoadIndex( | 111 static void LazyInitDidLoadIndex( |
107 const base::Closure& callback, | 112 const base::Closure& callback, |
108 base::WeakPtr<ServiceWorkerCacheStorage> storage, | 113 base::WeakPtr<ServiceWorkerCacheStorage> storage, |
109 scoped_ptr<std::vector<std::string> > indexed_cache_names); | 114 scoped_ptr<std::vector<std::string> > indexed_cache_names); |
110 static void LazyInitIterateAndLoadCacheName( | 115 static void LazyInitIterateAndLoadCacheName( |
111 const base::Closure& callback, | 116 const base::Closure& callback, |
112 base::WeakPtr<ServiceWorkerCacheStorage> storage, | 117 base::WeakPtr<ServiceWorkerCacheStorage> storage, |
113 scoped_ptr<std::vector<std::string> > indexed_cache_names, | 118 scoped_ptr<std::vector<std::string> > indexed_cache_names, |
114 const std::vector<std::string>::const_iterator& iter, | 119 const std::vector<std::string>::const_iterator& iter, |
115 const std::string& cache_name, | 120 const std::string& cache_name, |
116 scoped_ptr<ServiceWorkerCache> cache); | 121 scoped_ptr<ServiceWorkerCache> cache); |
117 static void LazyInitDone(base::WeakPtr<ServiceWorkerCacheStorage> storage); | 122 static void LazyInitDone(base::WeakPtr<ServiceWorkerCacheStorage> storage); |
118 | 123 |
119 static void DidCreateBackend(base::WeakPtr<ServiceWorkerCache> cache, | |
120 CacheID cache_id, | |
121 const CacheAndErrorCallback& callback, | |
122 ServiceWorkerCache::ErrorType error); | |
123 | |
124 CacheContext* AddCacheToMaps(const std::string& cache_name, | |
125 scoped_ptr<ServiceWorkerCache> cache); | |
126 | |
127 // The CreateCache callbacks are below. | 124 // The CreateCache callbacks are below. |
128 static void CreateCacheDidCreateCache( | 125 static void CreateCacheDidCreateCache( |
129 const std::string& cache_name, | 126 const std::string& cache_name, |
130 const CacheAndErrorCallback& callback, | 127 const CacheAndErrorCallback& callback, |
131 base::WeakPtr<ServiceWorkerCacheStorage> storage, | 128 base::WeakPtr<ServiceWorkerCacheStorage> storage, |
132 scoped_ptr<ServiceWorkerCache> cache); | 129 scoped_ptr<ServiceWorkerCache> cache); |
133 static void CreateCacheDidWriteIndex(const CacheAndErrorCallback& callback, | 130 static void CreateCacheDidWriteIndex(const CacheAndErrorCallback& callback, |
134 base::WeakPtr<ServiceWorkerCache> cache, | 131 base::WeakPtr<ServiceWorkerCache> cache, |
135 CacheID id, | 132 CacheID id, |
136 bool success); | 133 bool success); |
137 | 134 |
138 // The DeleteCache callbacks are below. | 135 // The DeleteCache callbacks are below. |
139 static void DeleteCacheDidWriteIndex( | 136 static void DeleteCacheDidWriteIndex( |
140 const std::string& cache_name, | 137 const std::string& cache_name, |
141 const BoolAndErrorCallback& callback, | 138 const BoolAndErrorCallback& callback, |
142 base::WeakPtr<ServiceWorkerCacheStorage> storage, | 139 base::WeakPtr<ServiceWorkerCacheStorage> storage, |
143 bool success); | 140 bool success); |
144 static void DeleteCacheDidCleanUp(const BoolAndErrorCallback& callback, | 141 static void DeleteCacheDidCleanUp(const BoolAndErrorCallback& callback, |
145 bool success); | 142 bool success); |
146 | 143 |
| 144 static void DidCreateBackend(base::WeakPtr<ServiceWorkerCache> cache, |
| 145 CacheID cache_id, |
| 146 const CacheAndErrorCallback& callback, |
| 147 ServiceWorkerCache::ErrorType error); |
| 148 |
147 // Whether or not we've loaded the list of cache names into memory. | 149 // Whether or not we've loaded the list of cache names into memory. |
148 bool initialized_; | 150 bool initialized_; |
149 | 151 |
150 // The list of operations waiting on initialization. | 152 // The list of operations waiting on initialization. |
151 std::vector<base::Closure> init_callbacks_; | 153 std::vector<base::Closure> init_callbacks_; |
152 | 154 |
153 // The map of CacheIDs to their CacheContext objects. Owns the CacheContext | 155 // The map of CacheIDs to their CacheContext objects. Owns the CacheContext |
154 // object. The CacheIDs are used by JavaScript to reference a | 156 // object. The CacheIDs are used by JavaScript to reference a |
155 // ServiceWorkerCache. | 157 // ServiceWorkerCache. |
156 CacheMap cache_map_; | 158 CacheMap cache_map_; |
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169 scoped_refptr<CacheLoader> cache_loader_; | 171 scoped_refptr<CacheLoader> cache_loader_; |
170 | 172 |
171 base::WeakPtrFactory<ServiceWorkerCacheStorage> weak_factory_; | 173 base::WeakPtrFactory<ServiceWorkerCacheStorage> weak_factory_; |
172 | 174 |
173 DISALLOW_COPY_AND_ASSIGN(ServiceWorkerCacheStorage); | 175 DISALLOW_COPY_AND_ASSIGN(ServiceWorkerCacheStorage); |
174 }; | 176 }; |
175 | 177 |
176 } // namespace content | 178 } // namespace content |
177 | 179 |
178 #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_STORAGE_H_ | 180 #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_CACHE_STORAGE_H_ |
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