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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 extensions {
     18 
     19 class ExtensionPrefs;
     20 
     21 class InstallTracker : public BrowserContextKeyedService,
     22                        public content::NotificationObserver {
     23  public:
     24   InstallTracker(Profile* profile,
     25                  extensions::ExtensionPrefs* prefs);
     26   virtual ~InstallTracker();
     27 
     28   void AddObserver(InstallObserver* observer);
     29   void RemoveObserver(InstallObserver* observer);
     30 
     31   void OnBeginExtensionInstall(
     32       const InstallObserver::ExtensionInstallParams& params);
     33   void OnDownloadProgress(const std::string& extension_id,
     34                           int percent_downloaded);
     35   void OnInstallFailure(const std::string& extension_id);
     36 
     37   // Overriddes for BrowserContextKeyedService:
     38   virtual void Shutdown() OVERRIDE;
     39 
     40   // content::NotificationObserver
     41   virtual void Observe(int type,
     42                        const content::NotificationSource& source,
     43                        const content::NotificationDetails& details) OVERRIDE;
     44 
     45  private:
     46   void OnAppsReordered();
     47 
     48   ObserverList<InstallObserver> observers_;
     49   content::NotificationRegistrar registrar_;
     50   PrefChangeRegistrar pref_change_registrar_;
     51 
     52   DISALLOW_COPY_AND_ASSIGN(InstallTracker);
     53 };
     54 
     55 }  // namespace extensions
     56 
     57 #endif  // CHROME_BROWSER_EXTENSIONS_INSTALL_TRACKER_H_
     58