1 // Copyright (c) 2012 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 // Defines the Geolocation access token store, and associated factory function. 6 // An access token store is responsible for providing the API to persist 7 // access tokens, one at a time, and to load them back on mass. 8 // The API is a little more complex than one might wish, due to the need for 9 // prefs access to happen asynchronously on the UI thread. 10 // This API is provided as abstract base classes to allow mocking and testing 11 // of clients, without dependency on browser process singleton objects etc. 12 13 #ifndef CONTENT_PUBLIC_BROWSER_ACCESS_TOKEN_STORE_H_ 14 #define CONTENT_PUBLIC_BROWSER_ACCESS_TOKEN_STORE_H_ 15 16 #include <map> 17 18 #include "base/callback.h" 19 #include "base/memory/ref_counted.h" 20 #include "base/strings/string16.h" 21 #include "content/common/content_export.h" 22 #include "url/gurl.h" 23 24 class GURL; 25 26 namespace net { 27 class URLRequestContextGetter; 28 } 29 30 namespace content { 31 32 // Provides storage for the access token used in the network request. 33 class AccessTokenStore : public base::RefCountedThreadSafe<AccessTokenStore> { 34 public: 35 // Map of server URLs to associated access token. 36 typedef std::map<GURL, base::string16> AccessTokenSet; 37 typedef base::Callback<void(AccessTokenSet, net::URLRequestContextGetter*)> 38 LoadAccessTokensCallbackType; 39 40 // |callback| will be invoked once per LoadAccessTokens call, after existing 41 // access tokens have been loaded from persistent store. As a convenience the 42 // URLRequestContextGetter is also supplied as an argument in |callback|, as 43 // in Chrome the call to obtain this must also be performed on the UI thread 44 // so it is efficient to piggyback it onto this request. 45 // Takes ownership of |callback|. 46 virtual void LoadAccessTokens( 47 const LoadAccessTokensCallbackType& callback) = 0; 48 49 virtual void SaveAccessToken( 50 const GURL& server_url, const base::string16& access_token) = 0; 51 52 protected: 53 friend class base::RefCountedThreadSafe<AccessTokenStore>; AccessTokenStore()54 CONTENT_EXPORT AccessTokenStore() {} ~AccessTokenStore()55 CONTENT_EXPORT virtual ~AccessTokenStore() {} 56 }; 57 58 } // namespace content 59 60 #endif // CONTENT_PUBLIC_BROWSER_ACCESS_TOKEN_STORE_H_ 61