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diff --git a/chromium/ash/system/tray/hover_highlight_view.h b/chromium/ash/system/tray/hover_highlight_view.h
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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 ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
+#define ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
+
+#include "ash/system/tray/actionable_view.h"
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "ui/gfx/font.h"
+
+namespace views {
+class Label;
+}
+
+namespace ash {
+namespace internal {
+
+class ViewClickListener;
+
+// A view that changes background color on hover, and triggers a callback in the
+// associated ViewClickListener on click. The view can also be forced to
+// maintain a fixed height.
+class HoverHighlightView : public ActionableView {
+ public:
+ explicit HoverHighlightView(ViewClickListener* listener);
+ virtual ~HoverHighlightView();
+
+ // Convenience function for adding an icon and a label. This also sets the
+ // accessible name.
+ void AddIconAndLabel(const gfx::ImageSkia& image,
+ const base::string16& text,
+ gfx::Font::FontStyle style);
+
+ // Convenience function for adding a label with padding on the left for a
+ // blank icon. This also sets the accessible name.
+ // Returns label after parenting it.
+ views::Label* AddLabel(const base::string16& text,
+ gfx::Font::FontStyle style);
+
+ // Convenience function for adding an optional check and a label. In the
+ // absence of a check, padding is added to align with checked items.
+ // Returns label after parenting it.
+ views::Label* AddCheckableLabel(const base::string16& text,
+ gfx::Font::FontStyle style,
+ bool checked);
+
+ // Allows view to expand its height.
+ // Size of unexapandable view is fixed and equals to kTrayPopupItemHeight.
+ void SetExpandable(bool expandable);
+
+ void set_highlight_color(SkColor color) { highlight_color_ = color; }
+ void set_default_color(SkColor color) { default_color_ = color; }
+ void set_text_highlight_color(SkColor c) { text_highlight_color_ = c; }
+ void set_text_default_color(SkColor color) { text_default_color_ = color; }
+
+ views::Label* text_label() { return text_label_; }
+
+ bool hover() const { return hover_; }
+
+ private:
+ // Overridden from ActionableView:
+ virtual bool PerformAction(const ui::Event& event) OVERRIDE;
+
+ // Overridden from views::View.
+ virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
+ virtual gfx::Size GetPreferredSize() OVERRIDE;
+ virtual int GetHeightForWidth(int width) OVERRIDE;
+ virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
+ virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
+ virtual void OnEnabledChanged() OVERRIDE;
+ virtual void OnPaintBackground(gfx::Canvas* canvas) OVERRIDE;
+ virtual void OnFocus() OVERRIDE;
+
+ ViewClickListener* listener_;
+ views::Label* text_label_;
+ SkColor highlight_color_;
+ SkColor default_color_;
+ SkColor text_highlight_color_;
+ SkColor text_default_color_;
+ bool hover_;
+ bool expandable_;
+ bool checkable_;
+ bool checked_;
+
+ DISALLOW_COPY_AND_ASSIGN(HoverHighlightView);
+};
+
+} // namespace internal
+} // namespace ash
+
+#endif // ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_