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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_GTK_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_GTK_H_
      6 #define CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_GTK_H_
      7 #pragma once
      8 
      9 #include "base/memory/ref_counted.h"
     10 #include "base/memory/scoped_ptr.h"
     11 #include "chrome/browser/ui/gtk/custom_button.h"
     12 #include "chrome/browser/ui/gtk/info_bubble_gtk.h"
     13 #include "content/common/notification_observer.h"
     14 #include "content/common/notification_registrar.h"
     15 #include "third_party/skia/include/core/SkBitmap.h"
     16 
     17 class Browser;
     18 class BrowserWindowGtk;
     19 class Extension;
     20 class SkBitmap;
     21 
     22 // Provides feedback to the user upon successful installation of an
     23 // extension. Depending on the type of extension, the InfoBubble will
     24 // point to:
     25 //    OMNIBOX_KEYWORD-> The omnibox.
     26 //    BROWSER_ACTION -> The browserAction icon in the toolbar.
     27 //    PAGE_ACTION    -> A preview of the page action icon in the location
     28 //                      bar which is shown while the InfoBubble is shown.
     29 //    GENERIC        -> The wrench menu. This case includes page actions that
     30 //                      don't specify a default icon.
     31 //
     32 // ExtensionInstallBubble manages its own lifetime.
     33 class ExtensionInstalledBubbleGtk
     34     : public InfoBubbleGtkDelegate,
     35       public NotificationObserver,
     36       public base::RefCountedThreadSafe<ExtensionInstalledBubbleGtk> {
     37  public:
     38   // The behavior and content of this InfoBubble comes in three varieties.
     39   enum BubbleType {
     40     OMNIBOX_KEYWORD,
     41     BROWSER_ACTION,
     42     PAGE_ACTION,
     43     GENERIC
     44   };
     45 
     46   // Creates the ExtensionInstalledBubble and schedules it to be shown once
     47   // the extension has loaded. |extension| is the installed extension. |browser|
     48   // is the browser window which will host the bubble. |icon| is the install
     49   // icon of the extension.
     50   static void Show(
     51       const Extension* extension, Browser *browser, const SkBitmap& icon);
     52 
     53  private:
     54   friend class base::RefCountedThreadSafe<ExtensionInstalledBubbleGtk>;
     55 
     56   // Private ctor. Registers a listener for EXTENSION_LOADED.
     57   ExtensionInstalledBubbleGtk(const Extension* extension, Browser *browser,
     58                               const SkBitmap& icon);
     59 
     60   virtual ~ExtensionInstalledBubbleGtk();
     61 
     62   // Shows the bubble. Called internally via PostTask.
     63   void ShowInternal();
     64 
     65   // NotificationObserver
     66   virtual void Observe(NotificationType type,
     67                        const NotificationSource& source,
     68                        const NotificationDetails& details);
     69 
     70   // InfoBubbleDelegate
     71   virtual void InfoBubbleClosing(InfoBubbleGtk* info_bubble,
     72                                  bool closed_by_escape);
     73 
     74   // Calls Release() internally. Called internally via PostTask.
     75   void Close();
     76 
     77   static void OnButtonClick(GtkWidget* button,
     78                             ExtensionInstalledBubbleGtk* toolbar);
     79 
     80   const Extension* extension_;
     81   Browser *browser_;
     82   SkBitmap icon_;
     83   NotificationRegistrar registrar_;
     84   BubbleType type_;
     85 
     86   // The number of times to retry showing the bubble if the browser action
     87   // toolbar is animating.
     88   int animation_wait_retries_;
     89 
     90   // The 'x' that the user can press to hide the info bubble shelf.
     91   scoped_ptr<CustomDrawButton> close_button_;
     92 
     93   InfoBubbleGtk* info_bubble_;
     94 
     95   DISALLOW_COPY_AND_ASSIGN(ExtensionInstalledBubbleGtk);
     96 };
     97 
     98 #endif  // CHROME_BROWSER_UI_GTK_EXTENSIONS_EXTENSION_INSTALLED_BUBBLE_GTK_H_
     99