// Copyright (c) 2011 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef CHROME_BROWSER_PREFS_TESTING_PREF_STORE_H_ #define CHROME_BROWSER_PREFS_TESTING_PREF_STORE_H_ #pragma once #include "base/basictypes.h" #include "base/memory/scoped_ptr.h" #include "base/observer_list.h" #include "chrome/browser/prefs/pref_value_map.h" #include "chrome/common/persistent_pref_store.h" class DictionaryValue; // |TestingPrefStore| is a preference store implementation that allows tests to // explicitly manipulate the contents of the store, triggering notifications // where appropriate. class TestingPrefStore : public PersistentPrefStore { public: TestingPrefStore(); virtual ~TestingPrefStore(); // Overriden from PrefStore. virtual ReadResult GetValue(const std::string& key, const Value** result) const; virtual void AddObserver(PrefStore::Observer* observer); virtual void RemoveObserver(PrefStore::Observer* observer); virtual bool IsInitializationComplete() const; // PersistentPrefStore overrides: virtual ReadResult GetMutableValue(const std::string& key, Value** result); virtual void ReportValueChanged(const std::string& key); virtual void SetValue(const std::string& key, Value* value); virtual void SetValueSilently(const std::string& key, Value* value); virtual void RemoveValue(const std::string& key); virtual bool ReadOnly() const; virtual PersistentPrefStore::PrefReadError ReadPrefs(); virtual bool WritePrefs(); virtual void ScheduleWritePrefs() {} virtual void CommitPendingWrite() {} // Marks the store as having completed initialization. void SetInitializationCompleted(); // Used for tests to trigger notifications explicitly. void NotifyPrefValueChanged(const std::string& key); void NotifyInitializationCompleted(); // Some convenience getters/setters. void SetString(const std::string& key, const std::string& value); void SetInteger(const std::string& key, int value); void SetBoolean(const std::string& key, bool value); bool GetString(const std::string& key, std::string* value) const; bool GetInteger(const std::string& key, int* value) const; bool GetBoolean(const std::string& key, bool* value) const; // Getter and Setter methods for setting and getting the state of the // |TestingPrefStore|. virtual void set_read_only(bool read_only); virtual void set_prefs_written(bool status); virtual bool get_prefs_written(); private: // Stores the preference values. PrefValueMap prefs_; // Flag that indicates if the PrefStore is read-only bool read_only_; // Flag that indicates if the method WritePrefs was called. bool prefs_written_; // Whether initialization has been completed. bool init_complete_; ObserverList<PrefStore::Observer, true> observers_; DISALLOW_COPY_AND_ASSIGN(TestingPrefStore); }; #endif // CHROME_BROWSER_PREFS_TESTING_PREF_STORE_H_