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      1 // Copyright 2014 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_PROFILES_AVATAR_MENU_BUBBLE_VIEW_H_
      6 #define CHROME_BROWSER_UI_VIEWS_PROFILES_AVATAR_MENU_BUBBLE_VIEW_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/compiler_specific.h"
     12 #include "base/gtest_prod_util.h"
     13 #include "chrome/browser/profiles/avatar_menu_observer.h"
     14 #include "ui/views/bubble/bubble_delegate.h"
     15 #include "ui/views/controls/button/button.h"
     16 #include "ui/views/controls/link_listener.h"
     17 
     18 class AvatarMenu;
     19 class Browser;
     20 class ProfileItemView;
     21 
     22 namespace content {
     23 class WebContents;
     24 }
     25 
     26 namespace views {
     27 class CustomButton;
     28 class ImageView;
     29 class Label;
     30 class Link;
     31 class Separator;
     32 }
     33 
     34 // This bubble view is displayed when the user clicks on the avatar button.
     35 // It displays a list of profiles and allows users to switch between profiles.
     36 class AvatarMenuBubbleView : public views::BubbleDelegateView,
     37                              public views::ButtonListener,
     38                              public views::LinkListener,
     39                              public AvatarMenuObserver {
     40  public:
     41   // Helper function to show the bubble and ensure that it doesn't reshow.
     42   // Normally this bubble is shown when there's a mouse down event on a button.
     43   // If the bubble is already showing when the user clicks on the button then
     44   // this will cause two things to happen:
     45   // - (1) the button will show a new instance of the bubble
     46   // - (2) the old instance of the bubble will get a deactivate event and
     47   //   close
     48   // To prevent this reshow this function checks if an instance of the bubble
     49   // is already showing and do nothing. This means that (1) will do nothing
     50   // and (2) will correctly hide the old bubble instance.
     51   static void ShowBubble(views::View* anchor_view,
     52                          views::BubbleBorder::Arrow arrow,
     53                          views::BubbleBorder::ArrowPaintType arrow_paint_type,
     54                          views::BubbleBorder::BubbleAlignment border_alignment,
     55                          const gfx::Rect& anchor_rect,
     56                          Browser* browser);
     57   static bool IsShowing();
     58   static void Hide();
     59 
     60   virtual ~AvatarMenuBubbleView();
     61 
     62   // views::View implementation.
     63   virtual gfx::Size GetPreferredSize() const OVERRIDE;
     64   virtual void Layout() OVERRIDE;
     65   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
     66 
     67   // views::ButtonListener implementation.
     68   virtual void ButtonPressed(views::Button* sender,
     69                              const ui::Event& event) OVERRIDE;
     70 
     71   // views::LinkListener implementation.
     72   virtual void LinkClicked(views::Link* source, int event_flags) OVERRIDE;
     73 
     74   // BubbleDelegate implementation.
     75   virtual gfx::Rect GetAnchorRect() const OVERRIDE;
     76   virtual void Init() OVERRIDE;
     77   virtual void WindowClosing() OVERRIDE;
     78 
     79   // AvatarMenuObserver implementation.
     80   virtual void OnAvatarMenuChanged(
     81       AvatarMenu* avatar_menu) OVERRIDE;
     82 
     83   // We normally close the bubble any time it becomes inactive but this can lead
     84   // to flaky tests where unexpected UI events are triggering this behavior.
     85   // Tests should call this with "false" for more consistent operation.
     86   static void clear_close_on_deactivate_for_testing() {
     87     close_on_deactivate_for_testing_ = false;
     88   }
     89 
     90  private:
     91   AvatarMenuBubbleView(views::View* anchor_view,
     92                        views::BubbleBorder::Arrow arrow,
     93                        const gfx::Rect& anchor_rect,
     94                        Browser* browser);
     95 
     96   // Sets the colors on all the |item_views_|. Called after the
     97   // BubbleDelegateView is created and has loaded the colors from the
     98   // NativeTheme.
     99   void SetBackgroundColors();
    100 
    101   // Create the menu contents for a normal profile.
    102   void InitMenuContents(AvatarMenu* avatar_menu);
    103 
    104   // Create the supervised user specific contents of the menu.
    105   void InitSupervisedUserContents(AvatarMenu* avatar_menu);
    106 
    107   scoped_ptr<AvatarMenu> avatar_menu_;
    108   gfx::Rect anchor_rect_;
    109   Browser* browser_;
    110   std::vector<ProfileItemView*> item_views_;
    111 
    112   // Used to separate the link entry in the avatar menu from the other entries.
    113   views::Separator* separator_;
    114 
    115   // This will be non-NULL if and only if
    116   // avatar_menu_->ShouldShowAddNewProfileLink() returns true.  See
    117   // OnAvatarMenuChanged().
    118   views::View* buttons_view_;
    119 
    120   // This will be non-NULL if and only if |expanded_| is false and
    121   // avatar_menu_->GetSupervisedUserInformation() returns a non-empty string.
    122   // See OnAvatarMenuChanged().
    123   views::Label* supervised_user_info_;
    124   views::ImageView* icon_view_;
    125   views::Separator* separator_switch_users_;
    126   views::Link* switch_profile_link_;
    127 
    128   static AvatarMenuBubbleView* avatar_bubble_;
    129   static bool close_on_deactivate_for_testing_;
    130 
    131   // Is set to true if the supervised user has clicked on Switch Users.
    132   bool expanded_;
    133 
    134   DISALLOW_COPY_AND_ASSIGN(AvatarMenuBubbleView);
    135 };
    136 
    137 #endif  // CHROME_BROWSER_UI_VIEWS_PROFILES_AVATAR_MENU_BUBBLE_VIEW_H_
    138