73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
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// 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_PREF_SERVICE_BUILDER_H_
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#define BASE_PREFS_PREF_SERVICE_BUILDER_H_
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#include "base/basictypes.h"
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#include "base/callback.h"
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#include "base/memory/ref_counted.h"
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#include "base/prefs/base_prefs_export.h"
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#include "base/prefs/persistent_pref_store.h"
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#include "base/prefs/pref_registry.h"
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#include "base/prefs/pref_store.h"
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class PrefService;
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namespace base {
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class FilePath;
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class SequencedTaskRunner;
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}
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// A class that allows convenient building of PrefService.
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class BASE_PREFS_EXPORT PrefServiceBuilder {
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public:
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PrefServiceBuilder();
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virtual ~PrefServiceBuilder();
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// Functions for setting the various parameters of the PrefService to build.
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// These take ownership of the |store| parameter.
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PrefServiceBuilder& WithManagedPrefs(PrefStore* store);
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PrefServiceBuilder& WithExtensionPrefs(PrefStore* store);
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PrefServiceBuilder& WithCommandLinePrefs(PrefStore* store);
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PrefServiceBuilder& WithUserPrefs(PersistentPrefStore* store);
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PrefServiceBuilder& WithRecommendedPrefs(PrefStore* store);
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// Sets up error callback for the PrefService. A do-nothing default
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// is provided if this is not called.
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PrefServiceBuilder& WithReadErrorCallback(
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const base::Callback<void(PersistentPrefStore::PrefReadError)>&
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read_error_callback);
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// Specifies to use an actual file-backed user pref store.
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PrefServiceBuilder& WithUserFilePrefs(
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const base::FilePath& prefs_file,
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base::SequencedTaskRunner* task_runner);
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PrefServiceBuilder& WithAsync(bool async);
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// Creates a PrefService object initialized with the parameters from
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// this builder.
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virtual PrefService* Create(PrefRegistry* registry);
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protected:
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virtual void ResetDefaultState();
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scoped_refptr<PrefStore> managed_prefs_;
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scoped_refptr<PrefStore> extension_prefs_;
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scoped_refptr<PrefStore> command_line_prefs_;
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scoped_refptr<PersistentPrefStore> user_prefs_;
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scoped_refptr<PrefStore> recommended_prefs_;
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base::Callback<void(PersistentPrefStore::PrefReadError)> read_error_callback_;
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// Defaults to false.
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bool async_;
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private:
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DISALLOW_COPY_AND_ASSIGN(PrefServiceBuilder);
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};
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#endif // BASE_PREFS_PREF_SERVICE_BUILDER_H_
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