85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_PREFS_TESTING_PREF_STORE_H_
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#define BASE_PREFS_TESTING_PREF_STORE_H_
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#include <string>
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#include "base/basictypes.h"
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#include "base/compiler_specific.h"
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#include "base/observer_list.h"
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#include "base/prefs/persistent_pref_store.h"
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#include "base/prefs/pref_value_map.h"
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// |TestingPrefStore| is a preference store implementation that allows tests to
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// explicitly manipulate the contents of the store, triggering notifications
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// where appropriate.
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class TestingPrefStore : public PersistentPrefStore {
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public:
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TestingPrefStore();
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// Overriden from PrefStore.
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virtual bool GetValue(const std::string& key,
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const base::Value** result) const OVERRIDE;
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virtual void AddObserver(PrefStore::Observer* observer) OVERRIDE;
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virtual void RemoveObserver(PrefStore::Observer* observer) OVERRIDE;
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virtual size_t NumberOfObservers() const OVERRIDE;
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virtual bool IsInitializationComplete() const OVERRIDE;
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// PersistentPrefStore overrides:
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virtual bool GetMutableValue(const std::string& key,
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base::Value** result) OVERRIDE;
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virtual void ReportValueChanged(const std::string& key) OVERRIDE;
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virtual void SetValue(const std::string& key, base::Value* value) OVERRIDE;
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virtual void SetValueSilently(const std::string& key,
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base::Value* value) OVERRIDE;
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virtual void RemoveValue(const std::string& key) OVERRIDE;
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virtual void MarkNeedsEmptyValue(const std::string& key) OVERRIDE;
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virtual bool ReadOnly() const OVERRIDE;
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virtual PrefReadError GetReadError() const OVERRIDE;
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virtual PersistentPrefStore::PrefReadError ReadPrefs() OVERRIDE;
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virtual void ReadPrefsAsync(ReadErrorDelegate* error_delegate) OVERRIDE;
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virtual void CommitPendingWrite() OVERRIDE {}
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// Marks the store as having completed initialization.
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void SetInitializationCompleted();
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// Used for tests to trigger notifications explicitly.
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void NotifyPrefValueChanged(const std::string& key);
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void NotifyInitializationCompleted();
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// Some convenience getters/setters.
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void SetString(const std::string& key, const std::string& value);
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void SetInteger(const std::string& key, int value);
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void SetBoolean(const std::string& key, bool value);
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bool GetString(const std::string& key, std::string* value) const;
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bool GetInteger(const std::string& key, int* value) const;
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bool GetBoolean(const std::string& key, bool* value) const;
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// Getter and Setter methods for setting and getting the state of the
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// |TestingPrefStore|.
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virtual void set_read_only(bool read_only);
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protected:
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virtual ~TestingPrefStore();
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private:
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// Stores the preference values.
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PrefValueMap prefs_;
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// Flag that indicates if the PrefStore is read-only
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bool read_only_;
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// Whether initialization has been completed.
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bool init_complete_;
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ObserverList<PrefStore::Observer, true> observers_;
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DISALLOW_COPY_AND_ASSIGN(TestingPrefStore);
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};
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#endif // BASE_PREFS_TESTING_PREF_STORE_H_
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