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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 CHROME_BROWSER_EXTENSIONS_INSTALL_TRACKER_H_
      6 #define CHROME_BROWSER_EXTENSIONS_INSTALL_TRACKER_H_
      7 
      8 #include "base/observer_list.h"
      9 #include "base/prefs/pref_change_registrar.h"
     10 #include "chrome/browser/extensions/install_observer.h"
     11 #include "components/browser_context_keyed_service/browser_context_keyed_service.h"
     12 #include "content/public/browser/notification_observer.h"
     13 #include "content/public/browser/notification_registrar.h"
     14 
     15 class Profile;
     16 
     17 namespace gfx {
     18 class ImageSkia;
     19 }
     20 
     21 namespace extensions {
     22 
     23 class ExtensionPrefs;
     24 
     25 class InstallTracker : public BrowserContextKeyedService,
     26                        public content::NotificationObserver {
     27  public:
     28   InstallTracker(Profile* profile,
     29                  extensions::ExtensionPrefs* prefs);
     30   virtual ~InstallTracker();
     31 
     32   void AddObserver(InstallObserver* observer);
     33   void RemoveObserver(InstallObserver* observer);
     34 
     35   void OnBeginExtensionInstall(
     36       const std::string& extension_id,
     37       const std::string& extension_name,
     38       const gfx::ImageSkia& installing_icon,
     39       bool is_app,
     40       bool is_platform_app);
     41   void OnDownloadProgress(const std::string& extension_id,
     42                           int percent_downloaded);
     43   void OnInstallFailure(const std::string& extension_id);
     44 
     45   // Overriddes for BrowserContextKeyedService:
     46   virtual void Shutdown() OVERRIDE;
     47 
     48   // content::NotificationObserver
     49   virtual void Observe(int type,
     50                        const content::NotificationSource& source,
     51                        const content::NotificationDetails& details) OVERRIDE;
     52 
     53  private:
     54   void OnAppsReordered();
     55 
     56   ObserverList<InstallObserver> observers_;
     57   content::NotificationRegistrar registrar_;
     58   PrefChangeRegistrar pref_change_registrar_;
     59 
     60   DISALLOW_COPY_AND_ASSIGN(InstallTracker);
     61 };
     62 
     63 }  // namespace extensions
     64 
     65 #endif  // CHROME_BROWSER_EXTENSIONS_INSTALL_TRACKER_H_
     66