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1 // Copyright (c) 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 UI_MESSAGE_CENTER_VIEWS_NOTIFIER_SETTINGS_VIEW_H_
6 #define UI_MESSAGE_CENTER_VIEWS_NOTIFIER_SETTINGS_VIEW_H_
7 
8 #include <set>
9 
10 #include "base/memory/scoped_ptr.h"
11 #include "ui/message_center/message_center_export.h"
12 #include "ui/message_center/notifier_settings.h"
13 #include "ui/message_center/views/message_bubble_base.h"
14 #include "ui/views/controls/button/checkbox.h"
15 #include "ui/views/controls/button/image_button.h"
16 #include "ui/views/controls/button/menu_button_listener.h"
17 #include "ui/views/controls/image_view.h"
18 #include "ui/views/view.h"
19 
20 namespace views {
21 class Label;
22 class MenuButton;
23 class MenuRunner;
24 }
25 
26 namespace message_center {
27 class NotifierGroupMenuModel;
28 
29 // A class to show the list of notifier extensions / URL patterns and allow
30 // users to customize the settings.
31 class MESSAGE_CENTER_EXPORT NotifierSettingsView
32     : public NotifierSettingsObserver,
33       public views::View,
34       public views::ButtonListener,
35       public views::MenuButtonListener {
36  public:
37   explicit NotifierSettingsView(NotifierSettingsProvider* provider);
38   virtual ~NotifierSettingsView();
39 
40   bool IsScrollable();
41 
42   // Overridden from NotifierSettingsDelegate:
43   virtual void UpdateIconImage(const NotifierId& notifier_id,
44                                const gfx::Image& icon) OVERRIDE;
45   virtual void NotifierGroupChanged() OVERRIDE;
46   virtual void NotifierEnabledChanged(const NotifierId& notifier_id,
47                                       bool enabled) OVERRIDE;
48 
set_provider(NotifierSettingsProvider * new_provider)49   void set_provider(NotifierSettingsProvider* new_provider) {
50     provider_ = new_provider;
51   }
52 
53  private:
54   FRIEND_TEST_ALL_PREFIXES(NotifierSettingsViewTest, TestLearnMoreButton);
55 
56   class MESSAGE_CENTER_EXPORT NotifierButton : public views::CustomButton,
57                          public views::ButtonListener {
58    public:
59     NotifierButton(NotifierSettingsProvider* provider,
60                    Notifier* notifier,
61                    views::ButtonListener* listener);
62     virtual ~NotifierButton();
63 
64     void UpdateIconImage(const gfx::Image& icon);
65     void SetChecked(bool checked);
66     bool checked() const;
67     bool has_learn_more() const;
68     const Notifier& notifier() const;
69 
70     void SendLearnMorePressedForTest();
71 
72    private:
73     // Overridden from views::ButtonListener:
74     virtual void ButtonPressed(views::Button* button,
75                                const ui::Event& event) OVERRIDE;
76     virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
77 
78     bool ShouldHaveLearnMoreButton() const;
79     // Helper function to reset the layout when the view has substantially
80     // changed.
81     void GridChanged(bool has_learn_more, bool has_icon_view);
82 
83     NotifierSettingsProvider* provider_;  // Weak.
84     const scoped_ptr<Notifier> notifier_;
85     // |icon_view_| is owned by us because sometimes we don't leave it
86     // in the view hierarchy.
87     scoped_ptr<views::ImageView> icon_view_;
88     views::Label* name_view_;
89     views::Checkbox* checkbox_;
90     views::ImageButton* learn_more_;
91 
92     DISALLOW_COPY_AND_ASSIGN(NotifierButton);
93   };
94 
95   // Given a new list of notifiers, updates the view to reflect it.
96   void UpdateContentsView(const std::vector<Notifier*>& notifiers);
97 
98   // Overridden from views::View:
99   virtual void Layout() OVERRIDE;
100   virtual gfx::Size GetMinimumSize() const OVERRIDE;
101   virtual gfx::Size GetPreferredSize() const OVERRIDE;
102   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
103   virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
104 
105   // Overridden from views::ButtonListener:
106   virtual void ButtonPressed(views::Button* sender,
107                              const ui::Event& event) OVERRIDE;
108 
109   // Overridden from views::MenuButtonListener:
110   virtual void OnMenuButtonClicked(views::View* source,
111                                    const gfx::Point& point) OVERRIDE;
112 
113   views::ImageButton* title_arrow_;
114   views::Label* title_label_;
115   views::MenuButton* notifier_group_selector_;
116   views::ScrollView* scroller_;
117   NotifierSettingsProvider* provider_;
118   std::set<NotifierButton*> buttons_;
119   scoped_ptr<NotifierGroupMenuModel> notifier_group_menu_model_;
120   scoped_ptr<views::MenuRunner> notifier_group_menu_runner_;
121 
122   DISALLOW_COPY_AND_ASSIGN(NotifierSettingsView);
123 };
124 
125 }  // namespace message_center
126 
127 #endif  // UI_MESSAGE_CENTER_VIEWS_NOTIFIER_SETTINGS_VIEW_H_
128