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      1 // Copyright (c) 2012 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_GTK_AVATAR_MENU_ITEM_GTK_H_
      6 #define CHROME_BROWSER_UI_GTK_AVATAR_MENU_ITEM_GTK_H_
      7 
      8 #include <gtk/gtk.h>
      9 
     10 #include "chrome/browser/profiles/avatar_menu_model.h"
     11 #include "content/public/browser/notification_observer.h"
     12 #include "content/public/browser/notification_registrar.h"
     13 #include "ui/base/gtk/gtk_signal.h"
     14 #include "ui/base/gtk/owned_widget_gtk.h"
     15 
     16 class GtkThemeService;
     17 
     18 // This widget contains the profile icon, user name, and synchronization status
     19 // to be displayed in the AvatarMenuBubble. Clicking the profile will open a new
     20 // browser window, and when the user hovers over an active profile item, a link
     21 // is displayed that will allow editing the profile.
     22 class AvatarMenuItemGtk : public content::NotificationObserver {
     23  public:
     24   // Delegates opening or editing a profile.
     25   class Delegate {
     26    public:
     27     // Open a new browser window using the profile at |profile_index|.
     28     virtual void OpenProfile(size_t profile_index) = 0;
     29 
     30     // Edit the profile given by |profile_index|.
     31     virtual void EditProfile(size_t profile_index) = 0;
     32   };
     33 
     34   AvatarMenuItemGtk(Delegate* delegate,
     35                     const AvatarMenuModel::Item& item,
     36                     size_t item_index,
     37                     GtkThemeService* theme_service);
     38   virtual ~AvatarMenuItemGtk();
     39 
     40   // Returns the root widget for this menu item.
     41   GtkWidget* widget() { return widget_.get(); }
     42 
     43   // content::NotificationObserver implementation.
     44   virtual void Observe(int type,
     45                        const content::NotificationSource& source,
     46                        const content::NotificationDetails& details) OVERRIDE;
     47 
     48  private:
     49 
     50   void ShowStatusLabel();
     51   void ShowEditLink();
     52 
     53   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileClick,
     54                        GdkEventButton*);
     55   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileEnter,
     56                        GdkEventCrossing*);
     57   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileLeave,
     58                        GdkEventCrossing*);
     59   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileFocusIn,
     60                        GdkEventFocus*);
     61   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileFocusOut,
     62                        GdkEventFocus*);
     63   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnProfileKeyPress,
     64                        GdkEventKey*);
     65   CHROMEGTK_CALLBACK_1(AvatarMenuItemGtk, gboolean, OnEventBoxExpose,
     66                        GdkEventExpose*);
     67   CHROMEGTK_CALLBACK_0(AvatarMenuItemGtk, void, OnEditProfileLinkClicked);
     68 
     69   // Create all widgets in this menu item, using |theme_service|.
     70   void Init(GtkThemeService* theme_service);
     71 
     72   // A weak pointer to the item's delegate.
     73   Delegate* delegate_;
     74 
     75   // Profile information to display for this item, e.g. user name, sync status.
     76   AvatarMenuModel::Item item_;
     77 
     78   // The index of this profile. The delegate uses this value to distinguish
     79   // which profile should be switched to.
     80   size_t item_index_;
     81 
     82   // The root widget for this menu item.
     83   ui::OwnedWidgetGtk widget_;
     84 
     85   // Provides colors.
     86   GtkThemeService* theme_service_;
     87 
     88   // A weak pointer to a label that displays the sync status. It is not shown
     89   // when the user is hovering over the item if the profile is the active
     90   // profile.
     91   GtkWidget* status_label_;
     92 
     93   // A weak pointer to a link button to edit the given profile. It is shown only
     94   // when the user is hovering over the active profile.
     95   GtkWidget* link_alignment_;
     96 
     97   // A weak pointer to a GtkChromeLinkButton so we can keep the use_gtk_theme
     98   // property up to date.
     99   GtkWidget* edit_profile_link_;
    100 
    101   // The highlighted color. Depending on the theme, this is either |widget|'s
    102   // bg[GTK_STATE_SELECTED] or a static highlight.
    103   GdkColor highlighted_color_;
    104 
    105   // The unhighlighted color. Depending on the theme, this is either NULL or a
    106   // pointer to static data.
    107   const GdkColor* unhighlighted_color_;
    108 
    109   content::NotificationRegistrar registrar_;
    110 
    111   DISALLOW_COPY_AND_ASSIGN(AvatarMenuItemGtk);
    112 };
    113 
    114 #endif  // CHROME_BROWSER_UI_GTK_AVATAR_MENU_ITEM_GTK_H_
    115