Add touchpad speed factor setting to Chrome OS touchpad settings page...

views/controls/slider/native_slider_gtk.h

+// 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 VIEWS_CONTROLS_SLIDER_NATIVE_SLIDER_GTK_H_
+#define VIEWS_CONTROLS_SLIDER_NATIVE_SLIDER_GTK_H_
+
+#include <gtk/gtk.h>
+
+#include "views/controls/native_control_gtk.h"
+#include "views/controls/slider/native_slider_wrapper.h"
+
+namespace views {
+
+class NativeSliderGtk : public NativeControlGtk,
+                        public NativeSliderWrapper {
+ public:
+  explicit NativeSliderGtk(Slider* parent);
+  ~NativeSliderGtk();
+
+  // Overridden from NativeSliderWrapper:
+  virtual void UpdateEnabled();
+  virtual double GetValue();
+  virtual void SetValue(double value);
+  virtual void SetFocus();
+  virtual gfx::Size GetPreferredSize();
+  virtual View* GetView();
+  virtual gfx::NativeView GetTestingHandle() const;
+
+  // Overridden from NativeControlGtk:
+  virtual void CreateNativeControl();
+  virtual void NativeControlCreated(GtkWidget* widget);
+
+ private:
+  // The slider we are bound to.
+  Slider* slider_;
+
+  // The preferred size from the last size_request. See
+  // NativeButtonGtk::preferred_size_ for more detail why we need this.
+  gfx::Size preferred_size_;
+
+  // Callback when the slider value changes.
+  static gboolean OnValueChangedHandler(GtkWidget* entry,
+                                        NativeSliderGtk* slider);
+  gboolean OnValueChanged();
+
+  DISALLOW_COPY_AND_ASSIGN(NativeSliderGtk);
+};
+
+}  // namespace views
+
+#endif  // VIEWS_CONTROLS_SLIDER_NATIVE_SLIDER_GTK_H_