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// Copyright (c) 2010 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 VIEWS_CONTROLS_SLIDER_NATIVE_SLIDER_WRAPPER_H_
#define VIEWS_CONTROLS_SLIDER_NATIVE_SLIDER_WRAPPER_H_
#pragma once
#include "ui/gfx/native_widget_types.h"
namespace views {
class Slider;
class View;
// An interface implemented by an object that provides a platform-native slider.
class NativeSliderWrapper {
public:
// The Slider calls this when it is destroyed to clean up the wrapper object.
virtual ~NativeSliderWrapper() {}
// Updates the enabled state of the native slider.
virtual void UpdateEnabled() = 0;
// Gets the value of the slider.
virtual double GetValue() = 0;
// Sets the value of the slider.
virtual void SetValue(double value) = 0;
// Sets the focus to the slider.
virtual void SetFocus() = 0;
// Returns the preferred size of the combobox.
virtual gfx::Size GetPreferredSize() = 0;
// Retrieves the views::View that hosts the native control.
virtual View* GetView() = 0;
// Returns a handle to the underlying native view for testing.
virtual gfx::NativeView GetTestingHandle() const = 0;
// Creates an appropriate NativeSliderWrapper for the platform.
static NativeSliderWrapper* CreateWrapper(Slider* slider);
};
} // namespace views
#endif // VIEWS_CONTROLS_SLIDER_NATIVE_SLIDER_WRAPPER_H_
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