// 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_CHROMEOS_CROS_SYNAPTICS_LIBRARY_H_
#define CHROME_BROWSER_CHROMEOS_CROS_SYNAPTICS_LIBRARY_H_
#pragma once

#include "base/singleton.h"
#include "cros/chromeos_synaptics.h"

namespace chromeos {

// This interface defines interaction with the ChromeOS synaptics library APIs.
// Users can get an instance of this library class like this:
//   chromeos::CrosLibrary::Get()->GetSynapticsLibrary()
// For a list of SynapticsPrameters, see chromeos_synaptics.h
// in third_party/cros or /usr/include/cros
class SynapticsLibrary {
 public:
  virtual ~SynapticsLibrary() {}
  // Sets a boolean parameter. The actual call will be run on the FILE thread.
  virtual void SetBoolParameter(SynapticsParameter param, bool value) = 0;

  // Sets a range parameter. The actual call will be run on the FILE thread.
  // Value should be between 1 and 10 inclusive.
  virtual void SetRangeParameter(SynapticsParameter param, int value) = 0;

  // Factory function, creates a new instance and returns ownership.
  // For normal usage, access the singleton via CrosLibrary::Get().
  static SynapticsLibrary* GetImpl(bool stub);
};


}  // namespace chromeos

#endif  // CHROME_BROWSER_CHROMEOS_CROS_SYNAPTICS_LIBRARY_H_