1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
6#define ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
7
8#include "ash/system/tray/actionable_view.h"
9#include "base/basictypes.h"
10#include "base/compiler_specific.h"
11#include "ui/gfx/font.h"
12
13namespace views {
14class Label;
15}
16
17namespace ash {
18namespace internal {
19
20class ViewClickListener;
21
22// A view that changes background color on hover, and triggers a callback in the
23// associated ViewClickListener on click. The view can also be forced to
24// maintain a fixed height.
25class HoverHighlightView : public ActionableView {
26 public:
27  explicit HoverHighlightView(ViewClickListener* listener);
28  virtual ~HoverHighlightView();
29
30  // Convenience function for adding an icon and a label.  This also sets the
31  // accessible name.
32  void AddIconAndLabel(const gfx::ImageSkia& image,
33                       const base::string16& text,
34                       gfx::Font::FontStyle style);
35
36  // Convenience function for adding a label with padding on the left for a
37  // blank icon.  This also sets the accessible name.
38  // Returns label after parenting it.
39  views::Label* AddLabel(const base::string16& text,
40                         gfx::Font::FontStyle style);
41
42  // Convenience function for adding an optional check and a label.  In the
43  // absence of a check, padding is added to align with checked items.
44  // Returns label after parenting it.
45  views::Label* AddCheckableLabel(const base::string16& text,
46                                  gfx::Font::FontStyle style,
47                                  bool checked);
48
49  // Allows view to expand its height.
50  // Size of unexapandable view is fixed and equals to kTrayPopupItemHeight.
51  void SetExpandable(bool expandable);
52
53  void set_highlight_color(SkColor color) { highlight_color_ = color; }
54  void set_default_color(SkColor color) { default_color_ = color; }
55  void set_text_highlight_color(SkColor c) { text_highlight_color_ = c; }
56  void set_text_default_color(SkColor color) { text_default_color_ = color; }
57
58  views::Label* text_label() { return text_label_; }
59
60  bool hover() const { return hover_; }
61
62 private:
63  // Overridden from ActionableView:
64  virtual bool PerformAction(const ui::Event& event) OVERRIDE;
65
66  // Overridden from views::View.
67  virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
68  virtual gfx::Size GetPreferredSize() OVERRIDE;
69  virtual int GetHeightForWidth(int width) OVERRIDE;
70  virtual void OnMouseEntered(const ui::MouseEvent& event) OVERRIDE;
71  virtual void OnMouseExited(const ui::MouseEvent& event) OVERRIDE;
72  virtual void OnEnabledChanged() OVERRIDE;
73  virtual void OnPaintBackground(gfx::Canvas* canvas) OVERRIDE;
74  virtual void OnFocus() OVERRIDE;
75
76  ViewClickListener* listener_;
77  views::Label* text_label_;
78  SkColor highlight_color_;
79  SkColor default_color_;
80  SkColor text_highlight_color_;
81  SkColor text_default_color_;
82  bool hover_;
83  bool expandable_;
84  bool checkable_;
85  bool checked_;
86
87  DISALLOW_COPY_AND_ASSIGN(HoverHighlightView);
88};
89
90}  // namespace internal
91}  // namespace ash
92
93#endif  // ASH_SYSTEM_TRAY_HOVER_HIGHLIGHT_VIEW_H_
94