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 WebServiceWorkerCacheStorage_h 6 #define WebServiceWorkerCacheStorage_h 7 8 #include "WebCommon.h" 9 #include "public/platform/WebCallbacks.h" 10 #include "public/platform/WebServiceWorkerCacheError.h" 11 #include "public/platform/WebString.h" 12 #include "public/platform/WebVector.h" 13 14 namespace blink { 15 16 class WebServiceWorkerCache; 17 18 // An interface to the CacheStorage API, implemented by the embedder and passed in to Blink. Blink's implementation 19 // of the ServiceWorker spec will call these methods to create/open caches, and expect callbacks from the embedder 20 // after operations complete. 21 class WebServiceWorkerCacheStorage { 22 public: 23 typedef WebCallbacks<void, WebServiceWorkerCacheError> CacheStorageCallbacks; 24 typedef WebCallbacks<WebServiceWorkerCache, WebServiceWorkerCacheError> CacheStorageWithCacheCallbacks; 25 typedef WebCallbacks<WebVector<WebString>, WebServiceWorkerCacheError> CacheStorageKeysCallbacks; 26 ~WebServiceWorkerCacheStorage()27 virtual ~WebServiceWorkerCacheStorage() { } 28 29 // Ownership of the CacheStorage*Callbacks methods passes to the WebServiceWorkerCacheStorage instance, which 30 // will delete it after calling onSuccess or onFailure. 31 32 // dispatchGet() or dispatchCreate() can return a WebServiceWorkerCache object, and these objects are owned by 33 // Blink, and should be destroyed when they are no longer needed. 34 virtual void dispatchGet(CacheStorageWithCacheCallbacks*, const WebString& cacheName) = 0; 35 virtual void dispatchHas(CacheStorageCallbacks*, const WebString& cacheName) = 0; 36 virtual void dispatchCreate(CacheStorageWithCacheCallbacks*, const WebString& cacheName) = 0; 37 virtual void dispatchDelete(CacheStorageCallbacks*, const WebString& cacheName) = 0; 38 virtual void dispatchKeys(CacheStorageKeysCallbacks*) = 0; 39 }; 40 41 } // namespace blink 42 43 #endif // WebServiceWorkerCacheStorage_h 44