ui/message_center/views/notifier_settings_view.h

   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
  47   void set_provider(NotifierSettingsProvider* new_provider) {
  48     provider_ = new_provider;
  49   }
  50
  51  private:
  52   FRIEND_TEST_ALL_PREFIXES(NotifierSettingsViewTest, TestLearnMoreButton);
  53
  54   class MESSAGE_CENTER_EXPORT NotifierButton : public views::CustomButton,
  55                          public views::ButtonListener {
  56    public:
  57     NotifierButton(NotifierSettingsProvider* provider,
  58                    Notifier* notifier,
  59                    views::ButtonListener* listener);
  60     virtual ~NotifierButton();
  61
  62     void UpdateIconImage(const gfx::Image& icon);
  63     void SetChecked(bool checked);
  64     bool checked() const;
  65     bool has_learn_more() const;
  66     const Notifier& notifier() const;
  67
  68     void SendLearnMorePressedForTest();
  69
  70    private:
  71     // Overridden from views::ButtonListener:
  72     virtual void ButtonPressed(views::Button* button,
  73                                const ui::Event& event) OVERRIDE;
  74     virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
  75
  76     bool ShouldHaveLearnMoreButton() const;
  77     // Helper function to reset the layout when the view has substantially
  78     // changed.
  79     void GridChanged(bool has_learn_more, bool has_icon_view);
  80
  81     NotifierSettingsProvider* provider_;  // Weak.
  82     const scoped_ptr<Notifier> notifier_;
  83     // |icon_view_| is owned by us because sometimes we don't leave it
  84     // in the view hierarchy.
  85     scoped_ptr<views::ImageView> icon_view_;
  86     views::Label* name_view_;
  87     views::Checkbox* checkbox_;
  88     views::ImageButton* learn_more_;
  89
  90     DISALLOW_COPY_AND_ASSIGN(NotifierButton);
  91   };
  92
  93   // Given a new list of notifiers, updates the view to reflect it.
  94   void UpdateContentsView(const std::vector<Notifier*>& notifiers);
  95
  96   // Overridden from views::View:
  97   virtual void Layout() OVERRIDE;
  98   virtual gfx::Size GetMinimumSize() OVERRIDE;
  99   virtual gfx::Size GetPreferredSize() OVERRIDE;
 100   virtual bool OnKeyPressed(const ui::KeyEvent& event) OVERRIDE;
 101   virtual bool OnMouseWheel(const ui::MouseWheelEvent& event) OVERRIDE;
 102
 103   // Overridden from views::ButtonListener:
 104   virtual void ButtonPressed(views::Button* sender,
 105                              const ui::Event& event) OVERRIDE;
 106
 107   // Overridden from views::MenuButtonListener:
 108   virtual void OnMenuButtonClicked(views::View* source,
 109                                    const gfx::Point& point) OVERRIDE;
 110
 111   views::ImageButton* title_arrow_;
 112   views::Label* title_label_;
 113   views::MenuButton* notifier_group_selector_;
 114   views::ScrollView* scroller_;
 115   NotifierSettingsProvider* provider_;
 116   std::set<NotifierButton*> buttons_;
 117   scoped_ptr<NotifierGroupMenuModel> notifier_group_menu_model_;
 118   scoped_ptr<views::MenuRunner> notifier_group_menu_runner_;
 119
 120   DISALLOW_COPY_AND_ASSIGN(NotifierSettingsView);
 121 };
 122
 123 }  // namespace message_center
 124
 125 #endif  // UI_MESSAGE_CENTER_VIEWS_NOTIFIER_SETTINGS_VIEW_H_