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      1 // Copyright (c) 2011 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_AVATAR_MENU_BUBBLE_VIEW_H_
      6 #define CHROME_BROWSER_UI_VIEWS_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_model_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 AvatarMenuModel;
     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 AvatarMenuModelObserver {
     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::BubbleAlignment border_alignment,
     54                          const gfx::Rect& anchor_rect,
     55                          Browser* browser);
     56   static bool IsShowing();
     57   static void Hide();
     58 
     59   virtual ~AvatarMenuBubbleView();
     60 
     61   // views::View implementation.
     62   virtual gfx::Size GetPreferredSize() OVERRIDE;
     63   virtual void Layout() OVERRIDE;
     64   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
     65 
     66   // views::ButtonListener implementation.
     67   virtual void ButtonPressed(views::Button* sender,
     68                              const ui::Event& event) OVERRIDE;
     69 
     70   // views::LinkListener implementation.
     71   virtual void LinkClicked(views::Link* source, int event_flags) OVERRIDE;
     72 
     73   // BubbleDelegate implementation.
     74   virtual gfx::Rect GetAnchorRect() OVERRIDE;
     75   virtual void Init() OVERRIDE;
     76   virtual void WindowClosing() OVERRIDE;
     77 
     78   // AvatarMenuModelObserver implementation.
     79   virtual void OnAvatarMenuModelChanged(
     80       AvatarMenuModel* avatar_menu_model) OVERRIDE;
     81 
     82   // We normally close the bubble any time it becomes inactive but this can lead
     83   // to flaky tests where unexpected UI events are triggering this behavior.
     84   // Tests should call this with "false" for more consistent operation.
     85   static void set_close_on_deactivate(bool close) {
     86     close_on_deactivate_ = close;
     87   }
     88 
     89  private:
     90   AvatarMenuBubbleView(views::View* anchor_view,
     91                        views::BubbleBorder::Arrow arrow,
     92                        const gfx::Rect& anchor_rect,
     93                        Browser* browser);
     94 
     95   // Sets the colors on all the |item_views_|. Called after the
     96   // BubbleDelegateView is created and has loaded the colors from the
     97   // NativeTheme.
     98   void SetBackgroundColors();
     99 
    100   // Create the menu contents for a normal profile.
    101   void InitMenuContents(AvatarMenuModel* avatar_menu_model);
    102 
    103   // Create the managed user specific contents of the menu.
    104   void InitManagedUserContents(AvatarMenuModel* avatar_menu_model);
    105 
    106   scoped_ptr<AvatarMenuModel> avatar_menu_model_;
    107   gfx::Rect anchor_rect_;
    108   Browser* browser_;
    109   std::vector<ProfileItemView*> item_views_;
    110 
    111   // Used to separate the link entry in the avatar menu from the other entries.
    112   views::Separator* separator_;
    113 
    114   // This will be non-NULL if and only if
    115   // avatar_menu_model_->ShouldShowAddNewProfileLink() returns true.  See
    116   // OnAvatarMenuModelChanged().
    117   views::View* buttons_view_;
    118 
    119   // This will be non-NULL if and only if |expanded_| is false and
    120   // avatar_menu_model_->GetManagedUserInformation() returns a non-empty string.
    121   // See OnAvatarMenuModelChanged().
    122   views::Label* managed_user_info_;
    123   views::ImageView* icon_view_;
    124   views::Separator* separator_switch_users_;
    125   views::Link* switch_profile_link_;
    126 
    127   static AvatarMenuBubbleView* avatar_bubble_;
    128   static bool close_on_deactivate_;
    129 
    130   // Is set to true if the managed user has clicked on Switch Users.
    131   bool expanded_;
    132 
    133   DISALLOW_COPY_AND_ASSIGN(AvatarMenuBubbleView);
    134   FRIEND_TEST_ALL_PREFIXES(AvatarMenuButtonTest, SignOut);
    135 };
    136 
    137 #endif  // CHROME_BROWSER_UI_VIEWS_AVATAR_MENU_BUBBLE_VIEW_H_
    138