content_setting_image_view.h revision ba5b9a6411cb1792fd21f0a078d7a25cd1ceec16 
1// Copyright (c) 2012 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 CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_CONTENT_SETTING_IMAGE_VIEW_H_
6#define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_CONTENT_SETTING_IMAGE_VIEW_H_
7
8#include "base/memory/scoped_ptr.h"
9#include "chrome/common/content_settings_types.h"
10#include "ui/base/animation/animation_delegate.h"
11#include "ui/base/animation/slide_animation.h"
12#include "ui/gfx/font.h"
13#include "ui/views/painter.h"
14#include "ui/views/view.h"
15#include "ui/views/widget/widget_observer.h"
16
17class ContentSettingImageModel;
18class LocationBarView;
19
20namespace content {
21class WebContents;
22}
23
24namespace views {
25class ImageView;
26class Label;
27}
28
29// The ContentSettingImageView displays an icon and optional text label for
30// various content settings affordances in the location bar (i.e. plugin
31// blocking, geolocation).
32class ContentSettingImageView : public ui::AnimationDelegate,
33                                public views::View,
34                                public views::WidgetObserver {
35 public:
36  ContentSettingImageView(ContentSettingsType content_type,
37                          LocationBarView* parent,
38                          const gfx::Font& font,
39                          int font_y_offset,
40                          SkColor text_color,
41                          SkColor parent_background_color);
42  virtual ~ContentSettingImageView();
43
44  // Update the decoration from the shown WebContents.
45  void Update(content::WebContents* web_contents);
46
47 private:
48  // Number of milliseconds spent animating open; also the time spent animating
49  // closed.
50  static const int kOpenTimeMS;
51
52  // The total animation time, including open and close as well as an
53  // intervening "stay open" period.
54  static const int kAnimationDurationMS;
55
56  // Amount of padding at the edges of the bubble.  If |by_icon| is true, this
57  // is the padding next to the icon; otherwise it's the padding next to the
58  // label.  (We increase padding next to the label by the amount of padding
59  // "built in" to the icon in order to make the bubble appear to have
60  // symmetrical padding.)
61  static int GetBubbleOuterPadding(bool by_icon);
62
63  // ui::AnimationDelegate:
64  virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
65  virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
66  virtual void AnimationCanceled(const ui::Animation* animation) OVERRIDE;
67
68  // views::View:
69  virtual gfx::Size GetPreferredSize() OVERRIDE;
70  virtual void Layout() OVERRIDE;
71  virtual bool OnMousePressed(const ui::MouseEvent& event) OVERRIDE;
72  virtual void OnMouseReleased(const ui::MouseEvent& event) OVERRIDE;
73  virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE;
74  virtual void OnPaintBackground(gfx::Canvas* canvas) OVERRIDE;
75
76  // views::WidgetObserver:
77  virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE;
78
79  bool background_showing() const {
80    return slide_animator_.is_animating() || pause_animation_;
81  }
82
83  int GetTotalSpacingWhileAnimating() const;
84  void OnClick();
85
86  LocationBarView* parent_;  // Weak, owns us.
87  scoped_ptr<ContentSettingImageModel> content_setting_image_model_;
88  scoped_ptr<views::Painter> background_painter_;
89  views::ImageView* icon_;
90  views::Label* text_label_;
91  ui::SlideAnimation slide_animator_;
92  bool pause_animation_;
93  double pause_animation_state_;
94  views::Widget* bubble_widget_;
95
96  DISALLOW_COPY_AND_ASSIGN(ContentSettingImageView);
97};
98
99#endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_CONTENT_SETTING_IMAGE_VIEW_H_
100