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// Copyright 2013 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 EXTENSIONS_BROWSER_API_SYSTEM_INFO_SYSTEM_INFO_API_H_
#define EXTENSIONS_BROWSER_API_SYSTEM_INFO_SYSTEM_INFO_API_H_
#include "extensions/browser/browser_context_keyed_api_factory.h"
#include "extensions/browser/event_router.h"
namespace extensions {
// A Profile-scoped object which is registered as an observer of EventRouter
// to observe the systemInfo event listener arrival/removal.
class SystemInfoAPI : public BrowserContextKeyedAPI,
public EventRouter::Observer {
public:
// BrowserContextKeyedAPI implementation.
static BrowserContextKeyedAPIFactory<SystemInfoAPI>* GetFactoryInstance();
explicit SystemInfoAPI(content::BrowserContext* context);
~SystemInfoAPI() override;
// KeyedService implementation.
void Shutdown() override;
// EventRouter::Observer implementation.
void OnListenerAdded(const EventListenerInfo& details) override;
void OnListenerRemoved(const EventListenerInfo& details) override;
private:
friend class BrowserContextKeyedAPIFactory<SystemInfoAPI>;
// BrowserContextKeyedAPI implementation.
static const char* service_name() { return "SystemInfoAPI"; }
static const bool kServiceIsNULLWhileTesting = true;
content::BrowserContext* browser_context_;
DISALLOW_COPY_AND_ASSIGN(SystemInfoAPI);
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_SYSTEM_INFO_SYSTEM_INFO_API_H_
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