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// Copyright (c) 2009 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_EXTENSIONS_EXTERNAL_PREF_EXTENSION_PROVIDER_H_
#define CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_PROVIDER_H_
#include <set>
#include <string>
#include "chrome/browser/extensions/external_extension_provider.h"
class DictionaryValue;
class Version;
// A specialization of the ExternalExtensionProvider that uses a json file to
// look up which external extensions are registered.
class ExternalPrefExtensionProvider : public ExternalExtensionProvider {
public:
explicit ExternalPrefExtensionProvider();
virtual ~ExternalPrefExtensionProvider();
// Used only during testing to not use the json file for external extensions,
// but instead parse a json file specified by the test.
void SetPreferencesForTesting(std::string json_data_for_testing);
// ExternalExtensionProvider implementation:
virtual void VisitRegisteredExtension(
Visitor* visitor, const std::set<std::string>& ids_to_ignore) const;
virtual Version* RegisteredVersion(std::string id,
Extension::Location* location) const;
protected:
scoped_ptr<DictionaryValue> prefs_;
private:
void SetPreferences(ValueSerializer* serializer);
};
#endif // CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_PROVIDER_H_
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