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/chromium/cpp/include/libaddressinput/storage.h" 15 #include "third_party/libaddressinput/chromium/cpp/include/libaddressinput/util/scoped_ptr.h" 16 17 class WriteablePrefStore; 18 19 namespace autofill { 20 21 // An implementation of the Storage interface which passes through to an 22 // underlying WriteablePrefStore. 23 class ChromeStorageImpl : public ::i18n::addressinput::Storage, 24 public PrefStore::Observer { 25 public: 26 // |store| must outlive |this|. 27 explicit ChromeStorageImpl(WriteablePrefStore* store); 28 virtual ~ChromeStorageImpl(); 29 30 // ::i18n::addressinput::Storage implementation. 31 virtual void Put(const std::string& key, scoped_ptr<std::string> data) 32 OVERRIDE; 33 virtual void Get(const std::string& key, scoped_ptr<Callback> data_ready) 34 const OVERRIDE; 35 36 // PrefStore::Observer implementation. 37 virtual void OnPrefValueChanged(const std::string& key) OVERRIDE; 38 virtual void OnInitializationCompleted(bool succeeded) OVERRIDE; 39 40 private: 41 struct Request { 42 Request(const std::string& key, scoped_ptr<Callback> callback); 43 44 std::string key; 45 scoped_ptr<Callback> callback; 46 }; 47 48 // Non-const version of Get(). 49 void DoGet(const std::string& key, scoped_ptr<Callback> data_ready); 50 51 WriteablePrefStore* backing_store_; // weak 52 53 // Get requests that haven't yet been serviced. 54 ScopedVector<Request> outstanding_requests_; 55 56 ScopedObserver<PrefStore, ChromeStorageImpl> scoped_observer_; 57 58 DISALLOW_COPY_AND_ASSIGN(ChromeStorageImpl); 59 }; 60 61 } // namespace autofill 62 63 #endif // THIRD_PARTY_LIBADDRESSINPUT_CHROMIUM_CHROME_STORAGE_IMPL_H_ 64