118 lines
4.3 KiB
C++
118 lines
4.3 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 CEF_LIBCEF_BROWSER_PREFS_PREF_STORE_H_
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#define CEF_LIBCEF_BROWSER_PREFS_PREF_STORE_H_
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#include <stdint.h>
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#include <string>
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#include "base/compiler_specific.h"
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#include "base/macros.h"
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#include "base/observer_list.h"
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#include "components/prefs/persistent_pref_store.h"
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#include "components/prefs/pref_value_map.h"
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// Preference store implementation that supports explicit manipulation of the
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// contents of the store, triggering notifications where appropriate.
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// Based on components/prefs/testing_pref_store.h.
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class CefPrefStore : public PersistentPrefStore {
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public:
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CefPrefStore();
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// Overriden from PrefStore.
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bool GetValue(const std::string& key,
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const base::Value** result) const override;
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std::unique_ptr<base::DictionaryValue> GetValues() const override;
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void AddObserver(PrefStore::Observer* observer) override;
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void RemoveObserver(PrefStore::Observer* observer) override;
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bool HasObservers() const override;
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bool IsInitializationComplete() const override;
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// PersistentPrefStore overrides:
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bool GetMutableValue(const std::string& key, base::Value** result) override;
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void ReportValueChanged(const std::string& key, uint32_t flags) override;
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void SetValue(const std::string& key,
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std::unique_ptr<base::Value> value,
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uint32_t flags) override;
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void SetValueSilently(const std::string& key,
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std::unique_ptr<base::Value> value,
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uint32_t flags) override;
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void RemoveValue(const std::string& key, uint32_t flags) override;
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bool ReadOnly() const override;
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PrefReadError GetReadError() const override;
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PersistentPrefStore::PrefReadError ReadPrefs() override;
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void ReadPrefsAsync(ReadErrorDelegate* error_delegate) override;
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virtual void CommitPendingWrite(base::OnceClosure done_callback) override;
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void SchedulePendingLossyWrites() override;
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void ClearMutableValues() override;
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void OnStoreDeletionFromDisk() 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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// Determines whether ReadPrefsAsync completes immediately. Defaults to false
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// (non-blocking). To block, invoke this with true (blocking) before the call
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// to ReadPrefsAsync. To unblock, invoke again with false (non-blocking) after
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// the call to ReadPrefsAsync.
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void SetBlockAsyncRead(bool block_async_read);
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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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void set_read_success(bool read_success);
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void set_read_error(PersistentPrefStore::PrefReadError read_error);
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bool committed() { return committed_; }
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protected:
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~CefPrefStore() override;
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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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// The result to pass to PrefStore::Observer::OnInitializationCompleted
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bool read_success_;
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// The result to return from ReadPrefs or ReadPrefsAsync.
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PersistentPrefStore::PrefReadError read_error_;
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// Whether a call to ReadPrefsAsync should block.
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bool block_async_read_;
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// Whether there is a pending call to ReadPrefsAsync.
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bool pending_async_read_;
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// Whether initialization has been completed.
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bool init_complete_;
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// Whether the store contents have been committed to disk since the last
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// mutation.
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bool committed_;
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std::unique_ptr<ReadErrorDelegate> error_delegate_;
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base::ObserverList<PrefStore::Observer, true> observers_;
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DISALLOW_COPY_AND_ASSIGN(CefPrefStore);
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};
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#endif // COMPONENTS_PREFS_TESTING_PREF_STORE_H_
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