Home | History | Annotate | Download | only in views 
      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_
    126