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      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 UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_BUTTON_BAR_H_
      6 #define UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_BUTTON_BAR_H_
      7 
      8 #include "ui/views/controls/button/button.h"
      9 #include "ui/views/controls/button/image_button.h"
     10 #include "ui/views/view.h"
     11 
     12 namespace views {
     13 class Label;
     14 }
     15 
     16 namespace message_center {
     17 
     18 class ButtonBarSettingsLabel;
     19 class MessageCenter;
     20 class MessageCenterTray;
     21 class MessageCenterView;
     22 class NotificationCenterButton;
     23 class NotifierSettingsProvider;
     24 
     25 // MessageCenterButtonBar is the class that shows the content outside the main
     26 // notification area - the label (or NotifierGroup switcher) and the buttons.
     27 class MessageCenterButtonBar : public views::View,
     28                                public views::ButtonListener {
     29  public:
     30   MessageCenterButtonBar(MessageCenterView* message_center_view,
     31                          MessageCenter* message_center,
     32                          NotifierSettingsProvider* notifier_settings_provider,
     33                          bool settings_initially_visible,
     34                          const base::string16& title);
     35   virtual ~MessageCenterButtonBar();
     36 
     37   // Enables or disables all of the buttons in the center.  This is used to
     38   // prevent user clicks during the close-all animation.
     39   virtual void SetAllButtonsEnabled(bool enabled);
     40 
     41   // Sometimes we shouldn't see the close-all button.
     42   void SetCloseAllButtonEnabled(bool enabled);
     43 
     44   // Sometimes we shouldn't see the back arrow (not in settings).
     45   void SetBackArrowVisible(bool visible);
     46 
     47  private:
     48   // Updates the layout manager which can have differing configuration
     49   // depending on the visibilty of different parts of the button bar.
     50   void ViewVisibilityChanged();
     51 
     52   // Overridden from views::View:
     53   virtual void ChildVisibilityChanged(views::View* child) OVERRIDE;
     54 
     55   // Overridden from views::ButtonListener:
     56   virtual void ButtonPressed(views::Button* sender,
     57                              const ui::Event& event) OVERRIDE;
     58 
     59   MessageCenterView* message_center_view() const {
     60     return message_center_view_;
     61   }
     62   MessageCenter* message_center() const { return message_center_; }
     63 
     64   MessageCenterView* message_center_view_;  // Weak reference.
     65   MessageCenter* message_center_;           // Weak reference.
     66 
     67   // |close_bubble_button_| closes the message center bubble. This is required
     68   // for desktop Linux because the status icon doesn't toggle the bubble, and
     69   // close-on-deactivation is off. This is a tentative solution. Once pkotwicz
     70   // Fixes the problem of focus-follow-mouse, close-on-deactivation will be
     71   // back and this field will be removed. See crbug.com/319516.
     72 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
     73   views::ImageButton* close_bubble_button_;
     74 #endif
     75 
     76   // Sub-views of the button bar.
     77   NotificationCenterButton* title_arrow_;
     78   views::Label* notification_label_;
     79   views::View* button_container_;
     80   NotificationCenterButton* close_all_button_;
     81   NotificationCenterButton* settings_button_;
     82   NotificationCenterButton* quiet_mode_button_;
     83 
     84   DISALLOW_COPY_AND_ASSIGN(MessageCenterButtonBar);
     85 };
     86 
     87 }  // namespace message_center
     88 
     89 #endif  // UI_MESSAGE_CENTER_VIEWS_MESSAGE_CENTER_BUTTON_BAR_H_
     90