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 THIRD_PARTY_LIBADDRESSINPUT_CHROMIUM_CHROME_STORAGE_IMPL_H_ 6 #define THIRD_PARTY_LIBADDRESSINPUT_CHROMIUM_CHROME_STORAGE_IMPL_H_ 7 8 #include <list> 9 #include <string> 10 11 #include "base/memory/scoped_vector.h" 12 #include "base/prefs/pref_store.h" 13 #include "base/scoped_observer.h" 14 #include "third_party/libaddressinput/src/cpp/include/libaddressinput/storage.h" 15 16 class WriteablePrefStore; 17 18 namespace autofill { 19 20 // An implementation of the Storage interface which passes through to an 21 // underlying WriteablePrefStore. 22 class ChromeStorageImpl : public ::i18n::addressinput::Storage, 23 public PrefStore::Observer { 24 public: 25 // |store| must outlive |this|. 26 explicit ChromeStorageImpl(WriteablePrefStore* store); 27 virtual ~ChromeStorageImpl(); 28 29 // ::i18n::addressinput::Storage implementation. 30 virtual void Put(const std::string& key, std::string* data) OVERRIDE; 31 virtual void Get(const std::string& key, const Callback& data_ready) 32 const OVERRIDE; 33 34 // PrefStore::Observer implementation. 35 virtual void OnPrefValueChanged(const std::string& key) OVERRIDE; 36 virtual void OnInitializationCompleted(bool succeeded) OVERRIDE; 37 38 private: 39 struct Request { 40 Request(const std::string& key, const Callback& callback); 41 42 std::string key; 43 const Callback& callback; 44 }; 45 46 // Non-const version of Get(). 47 void DoGet(const std::string& key, const Callback& data_ready); 48 49 WriteablePrefStore* backing_store_; // weak 50 51 // Get requests that haven't yet been serviced. 52 ScopedVector<Request> outstanding_requests_; 53 54 ScopedObserver<PrefStore, ChromeStorageImpl> scoped_observer_; 55 56 DISALLOW_COPY_AND_ASSIGN(ChromeStorageImpl); 57 }; 58 59 } // namespace autofill 60 61 #endif // THIRD_PARTY_LIBADDRESSINPUT_CHROMIUM_CHROME_STORAGE_IMPL_H_ 62